Marvel MOKR124-SSC1A Stainless Steel Outdoor Kegerator Owner’s Manual

June 16, 2024
Marvel

Marvel MOKR124-SSC1A Stainless Steel Outdoor Kegerator

Marvel-MOKR124-SSC1A-Stainless-Steel-Outdoor-Kegerator-
image

Product Information

Specifications

  • Model: MOKR124-SSC1A
  • Type: Undercounter Refrigeration
  • Serial Number Location: Inside the cabinet on the left side near the top
  • Refrigerant: R600a (isobutane)

Welcome
Welcome to the Marvel Experience! Thank you for choosing our quality American-built product to add to your home. We are thrilled to welcome you to our growing community of Marvel owners, who trust in our products and our support.

Warranty Registration
It is important to register your product warranty after taking delivery of your appliance. You can register online at www.marvelrefrigeration.com. The following information will be required when registering your appliance:

  • Serial Number
  • Date of Purchase
  • Dealer’s name and address

Got a Marvelous Design?
We would love to see how your Marvel product looks in its new home. You can send us photos of your installed product at marketing@marvelrefrigeration.com, and we might feature your Marvel home design on our website and social media!

Product Usage Instructions

Safety
Important Safety Instructions:

  • Read and follow all warnings and safety instructions in this guide.
  • Exercise caution and care when installing, maintaining, or operating this appliance.
  • Pay attention to safety symbols, words, and labels throughout the guide.
  • Ensure proper ventilation and avoid using sharp objects for defrosting or damaging the refrigerant circuit.

Installation

  1. Unpacking Your Appliance:

    • Remove all packaging materials.
    • Inspect the appliance for any visible damage.
  2. Electrical Cutout & Product Dimensions:

    • Refer to the product manual for the electrical cutout dimensions and the overall product dimensions.
  3. Installing Your Appliance:

    • Follow the step-by-step instructions provided in the manual for
      installing your undercounter refrigerator.
  4. Side-by-Side & Stacking Installations:

    • If you plan to install multiple units side-by-side or stack them, refer to the manual for specific instructions and safety precautions.
  5. Door Reversal:

    • If needed, follow the instructions in the manual to reverse the door swing direction.

Control Operation – Service
The control operation and service information can be found in the manual. It covers topics such as thermistor, defrost, fan and cover removal, and warranty details.

Maintenance

  1. Stainless Steel Maintenance:
    • Refer to the manual for proper cleaning and maintenance procedures for stainless steel surfaces.
  2. Long-Term Storage/Winterization:
    • If you plan to store the appliance for an extended period or during winter, follow the instructions provided in the manual for proper storage and winterization.

Operating Instructions

  1. Using Your Beverage Dispenser:
    • Follow the instructions in the manual to properly use the beverage dispenser feature of your undercounter refrigerator.
  2. Using Your Electronic Control:
    • Refer to the manual for instructions on how to operate the electronic control panel.
  3. Interior Adjustments:
    • Learn how to adjust the interior shelves and compartments to suit your needs by referring to the manual.
  4. Energy Saving Tips:
    • The manual provides energy-saving tips to help you optimize the efficiency of your undercounter refrigerator.

Service

  1. Obtaining Service:
    • If you require service or have any technical issues, contact our Technical Support team at 616-754-5601.
  2. Wire Diagram:
    • The wire diagram is available in the manual for reference in case of electrical troubleshooting.
  3. Product Liability Warranty Claims:
    • If you need to make a warranty claim, follow the instructions provided in the manual.
  4. Ordering Replacement Parts:
    • If you require replacement parts, refer to the manual for information on how to order them.
  5. R600a Specifications:
    • The manual provides specifications for the refrigerant used in the appliance (R600a).
  6. System Diagnosis Guide:
    • If you encounter any issues with the system, consult the system diagnosis guide in the manual for troubleshooting steps.
  7. Compressor Specifications:
    • Refer to the manual for specifications related to the compressor used in the appliance.
  8. Troubleshooting:
    • If you experience any problems with your undercounter refrigerator, refer to the troubleshooting section of the manual for solutions.
  9. Extended Warranty:
    • Explore the option of extending your warranty by referring to the manual for more information.

FAQs

Q: Where can I find the serial number of my appliance?
A: The serial number can be found on the serial plate, located inside the cabinet on the left side near the top.

Q: Is it safe to use the R600a refrigerant in this unit?
A: Yes, R600a (isobutane) is a safe refrigerant for regular use. However, it is important not to damage the refrigerant circuit or use sharp objects to expedite defrosting.

Q: How can I register my product warranty?
A: You can register your product warranty online at www.marvelrefrigeration.com. Make sure to have the serial number, date of purchase, and dealer’s name and address ready when registering.

Q: How can I obtain service for my appliance?
A: If you require service or have any technical issues, contact our Technical Support team at 616-754-5601.

WELCOME

Welcome to the Marvel Experience!
Thank you for choosing our quality American-built product to add to your home. We are thrilled to welcome you to our growing community of Marvel owners, who trust in our products and our support. The information in this guide is intended to help you install and maintain your new Marvel undercounter model to protect and prolong its lifetime. We encourage you to contact our Technical Support team at 616-754-5601 with any questions.

Got a Marvelous Design?
We would love to see how your Marvel product looks in its new home. You can send us photos of your installed product at marketing@marvelrefrigeration.com, and we might feature your Marvel home design on our website and social media!

Warranty Registration
It is important you register your product warranty after taking delivery of your appliance. You can register online at www.marvelrefrigeration.com.

The following information will be required when registering your appliance:

  • Serial Number
  • Date of Purchase
  • Dealer’s name and address

Online registration available at marvelrefrigeration.com

The serial number can be found on the serial plate which is located inside the cabinet on the left side near the top.Marvel-MOKR12-SSC1A-Stainless-Steel-
Outdoor-Kegerator-FIG \(1\)

Important Safety Instructions
Warnings and safety instructions appearing in this guide are not meant to cover all possible conditions and situations that may occur. Common sense, caution and care must be exercised when installing, maintaining or operating this appliance.

Recognize Safety Symbols, Words and Labels

WARNING
You can be killed or seriously injured if you do not follow these instructions.

CAUTION
Hazards or unsafe practices which could result in personal injury or property/product damage.

NOTE
Important information to help assure a problem-free installation and operation.

WARNING

State of California Proposition 65 Warning:
This product contains one or more chemicals known to the State of California to cause birth defects or other reproductive harm.

State of California Proposition 65 Warning:
This product contains one or more chemicals known to the State of California to cause cancer.

WARNING
This unit contains R600a (isobutane) which is a flammable hydrocarbon. It is safe for regular use. Do not use sharp objects to expedite defrosting. Do not damage refrigerant circuit.

UNPACKING YOUR APPLIANCE

WARNING

EXCESSIVE WEIGHT HAZARD
Use two or more people to move product. Failure to do so can result in personal injury.

Remove Interior Packaging
Your appliance has been packed for shipment with all parts that could be damaged by movement securely fastened. Remove internal packing materials and any tape holding internal components in place. The getting started guide is shipped inside the product in a plastic bag along with the warranty registration card and other accessory items.

Important
Keep your carton and packaging until your appliance has been thoroughly inspected and found to be in good condi-tion. If there is any damage, the packaging will be needed as proof of damage in transit. Afterwards, please dispose of all items responsibly.

WARNING
Dispose of the plastic bags which can be a suffocation hazard.

Note to Customer
This merchandise was carefully packed and thoroughly inspected before leaving out facility. Responsibility for its safe delivery was assumed by the retailer upon acceptance of the shipment. Claims for loss or damage sustained in transit must be made to the retailer.

NOTE
DO NOT RETURN DAMAGED MERCHANDISE TO THE MANUFACTURER – FILE THE CLAIM WITH THE RETAILER.

CAUTION
If the appliance was shipped, handled or stored in other than an upright position for any period of time, allow the appliance to sit upright for a period of at least 24 hours before plugging in. This will assure oil returns to the compressor. Plugging the appliance in immediately may cause damage to internal parts.

WARNING – Help Prevent Tragedies
Child entrapment and suffocation are not problems of the past. Junked or abandoned refrigerators are still dangerous, even if they sit outside for “just a few hours”. If you are getting rid of your old refrigerator, please follow the instructions below to help prevent accidents.

Before you throw away your old refrigerator or freezer:

  • Take off the doors or remove the drawers.
  • Leave the shelves in place so children may not easily climb inside.

ELECTRICAL

Electrical Connection
A grounded 115 volt, 15 amp dedicated circuit is required. This product is factory equipped with a power supply cord that has a three-pronged, grounded plug. It must be plugged into a mating grounding type receptacle in accordance with the National Electrical Code and applicable local codes and ordinances. If the circuit does not have a grounding type receptacle, it is the responsibility and obligation of the customer to provide the proper power supply. The third-ground prong should not, under any circumstances, be cut or removed.

WARNING

Electrical Shock Hazard

  • Do not use an extension cord with this appliance. They can be hazardous and can degrade product performance.
  • This appliance should not, under any circumstances, be installed to an un-grounded electrical supply. Do not remove the grounding prong from the power cord.
  • Do not use an adapter.
  • Do not splash or spray water from a hose on the appliance. Doing so may cause an electrical shock, which may result in severe injury or death.

NOTE
Ground Fault Circuit Interrupters (GFCI) are prone to nuisance tripping which will cause the appliance to shut down. GFCI’s are generally not used on circuits with power equipment that must run unattended for long periods of time, unles required to meet local building codes and ordinances.

CUTOUT AND PRODUCT DIMENSIONS

ROUGH-IN OPENING DIMENSIONS CABINET DIMENSIONS
“A” “B”
“H” “J”

24″

(61 cm)

| 34” to 35″

(85.7 cm to 88.3 cm)

| 24″

(61 cm)

| 23 7/8″

(60.7 cm)

| 33 3/4” to 34 3/4”

(86.4 cm to 88.9 cm)

| 23 3/4″

(60.3 cm)

| 26 1/4″

(66.7 cm)

| 47 3/8″

(120.4 cm)

| 26 3/8″

(67.1 cm)

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(5\)

If necessary, to gain clearance inside the rough-in opening, a hole can be cut through the adjacent cabinet and the power cord routed through this hole to a power outlet. Another way to increase the available opening depth is to recess the power outlet into the rear wall to gain the thickness of the power cord plug. Not all recessed outlet boxes will work for this applica-tion as they are too narrow, but a recessed outlet box equivalent to Arlington #DVFR1W is recommended for this application.

PRODUCT DATA

ELECTRICAL REQUIREMENTS #| PRODUCT WEIGHT
115V/60Hz/15A| 140 lbs

(63.6 kg)

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(6\)

Minimum rough-in opening required is to be larger than the adjusted height of the cabinet. A grounded 15 amp dedicated circuit is required. Follow all local building codes when installing electrical and appliance.

INSTALLING YOUR APPLIANCE

Select Location
The proper location will ensure peak performance of your appliance. We recommend a location where the unit will be out of direct sunlight and away from heat sources. To ensure your product performs to specifications, the recom-mended installation location temperature range is from 55 to 100°F (13 to 38°C).

Cabinet Clearance
Ventilation is required from the bottom front of the appli-ance. Keep this area open and clear of any obstructions. Adjacent cabinets and counter top can be installed around the appliance as long as the front grille remains unobstructed. All Marvel Outdoor models with articulated hinges are intended for built-in applications only.

WARNING
An optional stacking kit, for 24″ wide models, is re-quired to stack products. Failure to use a stacking kit could result in personal injury. Contact your dealer or Marvel customer service at 616-754-5601 to order. For safety concerns 15″ wide models should not be stacked.

CAUTION

Front Grille
Do not obstruct the front grille. The openings within the front grille allow air to flow through the condenser heat ex-changer. Restrictions to this air flow will result in increased energy usage and loss of cooling capacity. For this reason it is important this area to not be obstructed and the grille openings kept clean. Marvel does not recommend the use of a custom made grille as air flow may be restricted.

Leveling Legs

  • Adjustable legs at the front and rear corners of the appli-ance should be set so the unit is firmly positioned on the floor and level from side to side and front to back.
  • The over-all height of your Marvel appliance may be adjusted higher (by turning the leveling leg out, CCW) and lower (by turning the leveling leg in, CW).
  • To adjust the leveling legs, place the appliance on a solid surface and protect the floor beneath the legs to avoid scratching the floor. With the assistance of another person, lean the appliance back to access the front leveling legs.
  • Raise or lower the legs to the required dimension by turning the legs. Repeat this process for the rear by tilting the appli-ance forward using caution. On a level surface check the appliance for levelness and adjust accordingly.
  • The front grille screws may be loosened and the grille ad-justed to the desired height. When adjustment is complete tighten the two front grille screws.

SIDE-BY-SIDE AND STACKING INSTALLATIONS

Other Site Requirements
Units must operate from separate, properly grounded elec-trical receptacles placed according to each unit’s electrical To ensure unobstructed door swing (opening both doors at the same time), 1/4″ (6.4 mm) of space needs to be maint-ained between the units.

Hinge-by-Hinge Installation (Mullion)

  • When installing two units hinge-by-hinge, 13/16″ (22 mm) is required for integrated models. Additional space may be needed for any knobs, pulls or handles installed.Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG \(10\)
  • Stainless steel models which include the standard stainless handle will require 4-9/16″ (116 mm) to allow both doors to open to 90° at the same time.

Hinge-by-Wall Installation
When installing a unit hinge-by-wall or adjacent cabinetry, 7/16” (11mm) is required for integrated models. Additional space may be needed for any knobs, pulls or handles installed.

DOOR REVERSAL

Door Reversing Instructions

Tools Needed:

  • 1/8” Hex Key
  • 5/32” Hex Key
  • Phillips Screwdriver
  1. Open door and remove Hinge Pin from the Upper Hinge using a 1/8” Hex Key tool making sure to steady the Slowly remove the door from the Upper Hinge and lift to remove off the base Lower Hinge.
  2. Using a Phillips Screwdriver, remove the 6 screws from both the Upper and Lower Hinges and save for later steps
  3. Once the Hinges are removed from the unit, using a Phillips Screwdriver, remove the Bushing Screw and Hinge Pin Screw and save for later steps
  4. On the Bottom Hinge, reattach the Bushing Screw and Hinge Pin Screw to the opposite sideMarvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG \(13\)
  5. Using a 5/32″ Hex Key, remove the Upper and Lower Hinge Brackets from the door, saving all components. Remove black plugs from opposite side of door. flip the Upper Hinge Bracket and reattach the Hinge Bushing and screw into place on the opposite side of the door (where plugs were removed). Remove the Cam Closer from the Lower-Hinge Bracket and attach it to the opposite side.Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG \(14\)
  6. Remove the door switch actuator tab from the door and attach it to the opposite sideMarvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG \(15\)
  7. Reattach the Upper and Lower Hinges, and Hinge Brackets to opposite sides. Then install the door.Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG \(16\)

USING YOUR BEVERAGE DISPENSER

Shelving
The unit is shipped with the (2) shelves taped in place in the upper and the lower shelf positions. Remove them fror the refrigerator and arrange them as follows when setting up your unit.

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(17\)

If you are not serving beverages on tap, your keg dispenser can be used as a refrigerator by placing both shelves on the mounting brackets as shown in Figure 25. The shelves are marked upper and lower, The upper shelf should be placed in the top shelf position and the shelf marked lower should be placed in the bottom shelf position.

CAUTION

  • If you are using the appliance as a refrigerator for per- ishable foods, the set-point temperature should be set between 34°F and 42° F (1.2° C and 5.7° C).
  • If you are using a quarter barrel, you can add shelf space for keeping your mugs chilled. The quarter barrel must set on the floor, it cannot fit on the shelf, see Figure 26. Be sure the white floor plate is in the bottom of the interior compartment before positioning the barrel.
  • If you are using a half barrel (keg) or (2) 1/6 barrels, place the two shelves on the right side of the keg dispenser on the two mounting hooks for storage. (See Figure 27). Be sure the white floor plate is in the bottom of the interior compartment before positioning the barrel(s).

This dispensing unit will support one half (½) barrel or one quarter (¼) barrel. The double draft tower units can support two sixth (⅙) barrels of beer. See chart below for quantity of beverage in each barrel size.

Barrel Sizes 1/6 barrel 1/4 Barrel 1/2 Barrel
Height 235/16″

(59.2 cm)

| 1413/16″

(37.6 cm)

| 235/16″

(59.2 cm)

Diameter| 91/4″

(23.5 cm)

| 17″

(43.2 cm)

| 17″ to 171/4″

(43.2 to 43 cm)

Gallons| 5.23| 7.75| 15.5
#12 ounce Glasses| 53| 82| 163
Keg Size| #of kegs per

5 pound CO 2 Tank

---|---
5 gallon Corny| 15 to 22
1/6 barrel| 14 to 21
1/4 Barrel| 10 to 14
1/2 Barrel| 5 to 7

CAUTION

Tap Equipment and Assembly

Includes the following parts:

  • Polished stainless steel tower with clear line (single or double dispense)
  • Tower Gasket
  • Phillips oval head screws
  • Knob for Tower (Faucet Handle)
  • Keg coupler(s)
  • COz or nitrogen regulator with red gas line(s) attached
  • Empty 5 pound COz or nitrogen tank
  • Plastic clamp(s) large and small
  • Faucet wrench

Tools required for installation:

  • Flat bladed screwdriver
  • Phillips screwdriver
  • Pliers
  • Adjustable wrench or a 1⅛” open end wrench ½” open end wrench

WARNING
COz and nitrogen can be dangerous. If it becomes difficult to breathe and/or your head starts to ache, a high concentration of carbon dioxide or nitrogen may be present. Leave the area immediately.

  • The tank must always be connected to the regulator. Never connect the tank to the keg.
  • The tank must be securely mounted in the upright position. Secure it with the chain pro- vided.
  • Never drop or throw the tank.
  • Keep the tank away from heat.
  • Ventilate the area after a leak.
  1. Remove shelving and packaged components from the interior of the refrigerator before beginning the assembly process.

  2. Take your empty 5 pound tank to your local gas supply dealer to be filled. You can usually find them in your “yellow pages” under “Welding Supply” or “Fire Protection”. One 5 pound tank can process many kegs (see table “D”).

  3. Tower Mounting: DO NOT REMOVE INSULATION INSIDE OF STAINLESS STEEL TOWER. INSULATION KEEPS BEVERAGE IN CLEAR LINE COLD AND FRESH.
    Mounting Tower to Refrigerator Top:
    Remove the foam plug from the porthole and DO NOT reseal.
    Clearance in porthole is necessary for cold air to flow into the tower and keep the beverage line cold.
    Mounting Tower to Counter Top: Remove the foam plug from the porthole and use to “bridge” the gap between the top of the cabinet and the underside of the counter. Leave adequate clearance for cold air to flow into the tower and keen the beverage line cold.Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-
Kegerator-FIG \(21\) CAUTION
    The cutout dimensions shown above are based on a 25%” (64.3 cm) deep counter top. Your counter top may be different than this and require other front to back dimen-sioning. Refer to the product dimensions when determining the required dimensions.Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-
FIG \(23\)

  4. If you are installing your keg refrigerator under a coun  ter you will need to drill 5 holes in the counter top tomount the tower. The first hole is a 1½” diameter hole located at the center of the tower for the beverage line, locate approximately 13½” (34.3 cm) from the front edge of the counter top (based on a counter top depth 25%”). Next drill the 4 tower mounting holes per the di-mensions. The hole diameter is dependent on the counter top material and if screw anchors are required. The screws supplied are in the literature pack and are a #10 x 1″ type AB stainless steel screw. Mark and cut the rectangular cutout for the drain sump. After the holesare drilled and the keg refrigerator is in place under the counter top feed the beverage line through the tower gasket, the 1½” hole in the counter top and the hole in the top of the keg refrigerator.

  5. Mount the tower to the counter top with the 4 screws provided. Place the counter top drain sump, from the literature pack, in the rectangular hole with the radius cutout to the reararound the tower and place the grate in the sump. Mount the regulator to the tank (connection B). Note that the regulator has left hand threads and has to be turned counterclockwise to tighten. Tighten with the adjustable wrench or the 1⅛” open end wrench.

  6. Connect the red air line(s) from the regulator to the large air line fitting on the keg coupler with a large hose clamp (connection C).

  7. Connect the clear beverage line from the tower to the small air line fitting on the keg coupler with a small hose clamp (connection A).

  8. Locate the tank in the corner of the refrigerator and secure with the chain. Close the faucet handle on the tower.

  9. Hooking up the keg coupler to the keg: Verify the coupler is in the “OFF” position. Align the lugs on the keg with the corresponding openings on the keg coupler and turn clockwise until the coupler stops (about 90°). Push down and twist the top of the coupler clockwise to allow aas to enter the kea.Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG \(25\)

Optional COz tank external mounting bracket:
The optional mounting bracket is designed to hold the 5# COz cylinder that comes with the beverage dispenser. Larger cylinders may be purchased from a third party and mounted externally.

  • Use the hole port on the rear of the cabinet to run the COzor nitrogen line to the keg. Many options are available for mounting the tank outside of the beverage dispenser to gain additional cold storage space inside.
  • Secure the optional external mounting bracket on the back of the beverage dispenser (this is ideal for mobile units) or mount within adjacent cabinetry (ideal for undercounter built-in units:
  • Mount the (4) screws (#10-32 x ¾” flathead machine screws) provided with the bracket in the rear of the appliance. Do not completely tighten.
  • Place the keyhole slots in the flanges of the bracket over the four screws and tighten them to secure the bracket to the back of the cabinet. The bracket can also be fastened to adjacent cabinetry using the provided #10 x ¾” wood screws.
  • Mark the hole locations where required using a pencil and the slots in the mounting bracket. Drill appropriate pilot holes (depending on the material you are mounting to) and secure the bracket per the above instructions.

NOTE
The foam insulation plugs provided in the portholes are CRITICAL to proper functioning of the unit and preventing frost build up that can cause damage to the unit and/or refrigerator contents. ALWAYS reseal the COz or nitrogen line porthole with the provided insulation plugs once all lines have been properly installed.

NOTE
Consider the length of the red air line when choosing a place for the tank. The red air line supplied is 4 feet (1.2 meters) long. With the gauges mounted to the tank place the tank in the mounting bracket. Remove the foam plug from the hole port, and feed the red COz or nitrogen through the rear wall and out the coil cover on the inside of the cabinet. Connect the red COz or nitrogen to the keg coupler. Reseal the hole in the back of the cabinet with the foam olua.

CAUTION
If the tank is placed on the floor it must be secured in the upright position with a chain or other means to prevent it from being tipped over.

CO2 or Nitrogen Regulator (Single Dispense Tower)
Your beverage dispenser comes equipped with a 5 pound tank and a single gauge regulator. The gauge reads the pressure being supplied to the beverage keg. Follow the proce-dure below to adjust the pressure to 12 – 14 psi (0.8 to 1 bar) for lager beer or 9-12 psi (0.6 to 0.8 bar) for ale’s.

To adjust the pressure (Single Gauge):

  1. Close the shutoff valve at the bottom of the regulator.
  2. Be sure the faucet handle is closed on the tower.
  3. Loosen the lock nut by turning counterclockwise us- ing the ½” open end wrench until loose, this will allow adjustment of the pressure adjustment screw.
  4. With the flat bladed screwdriver turn the adjustment screw clockwise to increase the pressure or coun- terclockwise to decrease the pressure.
  5. Open the shutoff valve on the bottom of the regulator. The gauge reading may drop but will return very quickly.
  6. Pull the ring on the keg coupler to allow the gas to flow momentarily.
  7. Make any fine adjustments if necessary with the adjust-ment screw.
  8. Tighten the locknut with the ½” open end wrench by turning clockwise .

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(28\)

CO, or Nitrogen Regulator (Double Dispense Tower
Your beverage dispenser comes equipped with a 5 pound tank and a dual gauge regulator. The lower gauge should be reading approximately 750 psi (52 bar) when the tank is properly filled and the tank is not in the refrigerator (at room temperature). The tank will read less when chilled. Use this lower gauge as an indicator of how much CO2 or nitrogen you have left in the tank. The upper gauge reads the pressure being supplied to the beverage keg. Follow the procedure below to adjust the pres-sure to 12 – 14 psi (0.8 to 1 bar) for lager beer or 9 – 12 psi (0.6 to 0.8 bar) for ale’s.

To adjust the pressure (Upper Gauge):

  1. Close the shutoff valves at the bottom of the regulator.
  2. Be sure the faucet handle is closed on the tower.
  3. Loosen the lock nut by turning counterclockwise using the 1/2″ open end wrench until loose, this will allow adjustment of the pressure adjustment screw.
  4. With the flat bladed screwdriver turn the adjustment screw clockwise to increase the pressure or counterclockwise to decrease the pressure.
  5. Open the shutoff valve on the bottom of the regulator. The gauge reading may drop but will return very quickly.
  6. Pull the ring on the keg coupler to allow the gas to flow momentarily.
  7. Make any fine adjustments if necessary with the adjustment screw.
  8. Tighten the locknut with the 1/2″ open end wrench by turning clockwise .

Drain kit (All Models) :
The drain kit is shipped in place and ready to use. To empty: Pull drain hose out of bottle cap, remove bottle from unit, unscrew cap and discard waste and rinse bottle. Reinstall bottle in unit.

Cleaning the drain sump:
On a free standing beverage dispenser remove the Marvel grate from in front of the tower, clean with soap and water and dry before reinstalling.

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(31\)

  • Clean the sump area with soapy
  • On a built in beverage dispenser remove the Marvel grate and counter top sump, clean with soap and water and dry before reinstalling.
  • Clean the sump area with soapy water and dry .

USING YOUR ELECTRONIC CONTROL

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(32\)

Control Function Guide

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(36\)

Adjust Temperature- MLBD AND MLWD MODELS ONLY:

  • Press   or and release to adjust the upper zone.
  • Press to change to lower zone.
  • Press or and release to adjust.
  • Upper (38°F – 65°F) Lower (38°F – 65°F)

The upper temperature must be ≥ the lower temperature, maximum 20° higher.

Note:  Adjusting the temperature in the lower zone may result in the upper zone automatically adjusting. When adjusting the upper zone, control will not go beyond the maximum temperature spread.

Door Alert Notification
When the door is left open for more than 30 minutes:

  • Atone will sound for several seconds every minute
  • dr will appear in display
  • Close door to silence alert and reset

NOTE Temperature displayed reflects actual temperature inside unit. If the temperature displayed is different than selected, the unit is progressing towards the selected temperature. Time to reach set point varies based upon ambient temperature, temperature of product loaded, door openings, etc. Marvel recommends allowing the unit to reach set points before loading.

High/Low Temp. Notifications
When the compartment temperature exceeds the control setting for an extended amount of time:

  • HH will appear in display (High Temp)
  • LL will appear in display (Low Temp)

Contact service dept. for further instructions.

INTERIOR ADJUSTMENTS

Installing the Shelves:
With fl anges pointing up, insert the shelf tabs into the liner  holes on the left side of the unit. Rest the right side of the shelves on the shelf hanging brackets.

Shelf Storage
When not in use, stack the shelves together and hang on the shelf storage hooks. The flanges must be facing outward.

NOTE
The shelves are labeled “Top” and “Bottom”. The bottom shelf fi ts inside of the top shelf for storage convenience.

CAUTION
Never try to remove a loaded shelf, remove everything from the shelf before moving. Use both hands when removing the shelf.

Maintenance

STAINLESS STEEL MAINTENANCE

Background
Stainless steel does not stain, corrode, or rust as easily as ordinary steel, but it is not stain or corrosion proof. Stainless steels can discolor or corrode if not maintained properly. Stainless steels differ from ordinary carbon steels by the amount of chromium present. It is this chromium that provides an invisible protective film on the surface called chrome-oxide. This protective chrome-oxide film on the surface can be damaged or contaminated, which may result in discoloration, staining, or corrosion of the base metal.

Care & Cleaning
Routine cleaning of the stainless steel surfaces will serve to greatly extend the life of your product by removing contaminants. This is especially important in coastal areas which can expose the stainless to severe contaminants such as halide salts, (sodium chloride). It is strongly recommended to periodically inspect and thoroughly clean crevices, weld points, under gaskets, rivets, bolt heads, and any locations where small amounts of liquid could collect, become stagnant, and concentrate contaminates. Additionally, any mounting hardware that is showing signs of corrosion should be replaced. Frequency of cleaning will depend upon the installation location, environmental, and usage conditions.

Choosing a Cleaning Product  The choice of a proper cleaning product is ultimately that of the consumer, and there are many products from which to choose. Depending upon the type of cleaning and the degree of contamination, some products are better than others. Typically the most effective and efficient means for routine cleaning of most stainless steel products is to give the surfaces a brisk rubbing with a soft cloth soaked in warm water and a gentle detergent, or mild mixture of ammonia. Rubbing should, to the extent possible, follow the polish lines of the steel, and always insure thorough rinsing after cleaning. Typically the most effective and efficient means for routine cleaning of most stainless steel products is to give the surfaces a brisk rubbing with a soft cloth soaked in warm water and a gentle detergent, or mild mixture of ammonia. Rubbing should, to the extent possible, follow the polish lines of the steel, and always insure thorough rinsing after cleaning. Although some products are called “stainless steel clean- ers,” some may contain abrasives which could scratch the surface, (compromising the protective chrome-oxide film), and some many contain chlorine bleach which will dull, tarnish or discolor the surface if not completely removed. After the stainless surfaces have been thoroughly cleaned,a good quality car wax may be applied to help maintain the finish.

NOTE  Stainless steel products should never be installed, or stored in close proximity to chlorine chemicals. Whichever cleaning product you chose, it should be used in strict accordance with the instructions of the cleaner manufacturer.

ENERGY SAVING TIPS
The following suggestions will minimize the cost of operating your refrigeration appliance.

  1. Do not install your appliance next to a hot appliance (cooker, dishwasher, etc.), heating air duct, or other heat sources.
  2. Install product out of direct sunlight.
  3. Ensure the front grille vents at front of appliance beneath door are not obstructed and kept clean to allow ventilation for the refrigeration system to expel heat.
  4. Plug your appliance into a dedicated power circuit. (Not shared with other appliances).
  5. When initially loading your new product, or whenever large quantities of warm contents are placed within refrigerated storage compartment, minimize door openings for the next 12 hours to allow contents to pull down to compartment set temperature.
  6. Maintaining a relatively full storage compartment will require less appliance run time than an empty compartment.
  7. Ensure door closing is not obstructed by contents stored in your appliance.
  8. Allow hot items to reach room temperature before placing in product.
  9. Minimize door openings and duration of door openings.
  10. Use the warmest temperature control set temperature that meets your personal preference and provides the proper storage for your stored contents.
  11. When on vacation or away from home for extended pe riods, set the appliance to warmest acceptable tem perature for the stored contents.
  12. Set the control to the “off” position if cleaning the appliance requires the door to be open for an extended period of time.
  13. For wine storage products: When serving temperatures are not required, return the compartment(s) set temperature to the ideal red and white wine long term storage tem perature of 13°C / 55°F.

Service

LONG-TERM STORAGE / WINTERIZATION:

Outdoor Product Long-Term Storage / Winterization:

  1. Time to Winterize, when the daily low ambient temperature is at below 38 F (3.3 C).
    CAUTION: Operation of the unit at ambient temperatures below the recommended Winterization temperature will void your warranty.

  2. Tum unit off, (see page 10)

  3. Remove all contents.

  4. lf necessary, move the unit so you can gain access to the rear of the product.

  5. Unplug the unit from the power outlet.

  6. It is also recommended that the power to the outlet be tumed-off if the circuit is not required for other items during the Winter season.

  7. When cleaning unit pay particular attention to any cracks and crevices that may have accumulated dirt.

  8. Remove the front toe-grille, and use a brush and vacuum to clean dirt and debris.

  9. Thoroughly clean the toe-grille and re-install on the unit.

  10. Remove the rear access cover, and use a brush and vacuum to clean dirt and debris from the machine compartment. If the plastic defrost drain pan located under the compressor contains water, use a sponge to remove as much water as possible.

  11. Thoroughly clean the rear access cover and re-install on the unit.

  12. Wipe down all interior surfaces with anti-bacterial cleaner to be followed with clean rinse water to remove  any residual chemicals which could cause staining. Donot use any abrasive cleaners or scouring pads.

  13. Leave the door open and allow to completely dry out before closing the door.

  14. Thoroughly clean the door gasket with anti-bacterial cleaner to be followed with clean rinse water to remove any residual chemicals.

  15. Thoroughly clean the exterior with a cleaner approved for stainless steel. Do not use any abrasive cleaners or scouring pads. See “Stainless Steel Maintenance”.

  16. Any mounting hardware / fasteners that are showing signs of corrosion should be replaced.

  17. Once the exterior has been thoroughly cleaned, you may want to apply a coating of car wax to help protect against spotting from moisture, dirt, and debris that may accumulate on the surfaces during the Winterization period.

  18. Do not place a cover on the unit, as this can trap condensation. After completion of the above, you may choose to store the unit indoors, although this is not required.

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(39\)

Start-Up After Long-Term Storage:

  1. If stored outside, it is recommended that the unit again be thoroughly inspected per the storage instructions above to address any dirt or debris from the weather and/or animals/insects.
  2. Connect the unit to electrical power.
  3. Turn unit on and confirm your desired control settings.
  4. Allow 24-hrs for the unit to stabilize before loading contents.

OBTAINING SERVICE

If Service is Required:

  • If the product is within the first year warranty period please contact your dealer or call Marvel Customer Service at 616.754.5601 for directions on how to obtain warranty coverage in your area.
  • If the product is outside the first year warranty period, Marvel Customer Service can provide recommendations of service centers in your area. A listing of authorized service centers is also available at www.marvelrefrigeration.com under the service and  support section.
  • In all correspondence regarding service, be sure to give the service number, serial number, and proof of  purchase.
  • Try to have information or description of nature of the problem, how long the appliance has been running, the room temperature, and any additional information that may be helpful in quickly solving the problem.
  • Table “B” is provided for recording pertinent information regarding your product for future reference.

For Your Records

Table B

Date of Purchase

Dealer’s name
Dealer’s Address
Dealer’s City
Dealer’s State
Dealer’s Zip Code
Appliance Serial Number
Appliance Service Number
Date Warranty Card Sent (Must be within 10 days of purchase).

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(40\)

Product Liability
Field service technicians are authorized to make an initial assessment in the event of reported damages. If there are any questions about the process involved, the technician should call Marvel for further explanation. While inspecting for defects or installation issues, photos should be taken to document any damages or issues found. During the assessment, if the service technician is able to find the source of the damage and it can be resolved by replacement of a part, the servicer is authorized to replace the part in question. The part that caused the damage must be returned to Marvel in its entirety. The part must be clearly labeled with the serial number of the unit it was removed from, the date, and the servicer who removed the part. If the service technician determines the damage is the result of installation issues (water connection/drain, etc.), the consumer would be notified and the issues shall be resolved at the direction of the consumer.

If damage is evident and the service technician is unable to find the source, Marvel must be contacted at 616.754.5601 for further direction. 1260 E. Van Deinse St Greenville, MI 48838 T : +1.616.754.5601 Website : www.marvelrefrigeration.com

The original refrigeration experts since 1892.

Warranty Claims
 The following information defines the parameters for filing warranty claim:

  • Valid serial number needed
  • Valid model number needed
  • Claims must be submitted online at www.marvelservice.com
  • 60 day submittal deadline from date of completed service
  • Only one repair or unit per warranty claim
  • Part order numbers will be required when submitting for warranty labor

Units must be registered prior to warranty submittal. Customers may register at www.marvelrefrigeration.com. A proof of purchase is required. We also accept the following information to update warranty:

  • New construction occupancy documents
  • Closing paperwork
  • Final billing – Remodel

Warranty parts will be shipped at no charge after Marvel confirms warranty status. Please provide the model, serial number, part number and part description. Some parts will require color or voltage information.

Ordering Replacement Parts
Parts may be ordered online at partsformarvel.com

Contact : www.marvelrefrigeration.com (Servicers choose “Login” for service account).
Phone Number : 616-754-5601

NOTICE
Use only genuine Marvel replacement parts. The use of non-Marvel parts can reduce performance, damage the unit, and void the warranty. Warranty parts will be shipped at no charge after Marvel confirms warranty status. Please provide the model, serial number, part number and part description. Some parts will require color or voltage information. Marvel requires the return of original parts, we will inform you when the parts order is taken. This requirement will be noted on your packing list. A prepaid shipping label will be emailed to you. Please enclose a copy of the parts packing list and be sure the model and serial numbers are legible on the paperwork. Tag the part with the reported defect. Customers and non-authorized servicers may order non­ warranty parts at www.partsformarvel.com. Authorized servicers with a servicer login may order non-warranty parts at www.marvelrefrigeration.com.

R-600A Specifications & Handling

WARNING

  • Flammability warnings for a pure-iso-butane refrigerant.Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG \(42\)
  • Gloves and Eye Protection must be used.
  • R-600a is considered non-toxic, but is flammable when mixed with air.
  • Keep a dry powder type fire extinguisher in the work area.
  • R-600a is heavier than air, do not allow any leakage/migration to low areas such as basements and stairs.
  • Never use a torch on a fully charged refrigeration system.
  • Never substitute Marvel OEM replacement parts or methods of construction.
  • R-600a must be stored and transported in approved containers.

WARNING Only skilled and well trained service technicians permitted to service R-600a equipped products. All tools and equipment must be approved for use with R-600a refrigerant. Local, state and federal laws, standards must be observed along with proper certification and licensing. Ventilation is required during servicing. No conversions to R-600a from any other refrigerants. OEM R-600a equipped unit only. Service area must be free of ignition sources. No smoking is allowed in the service area. All replacement electrical components must be OEM and installed properly (sealed and covered). If the evaporator is cold prior to service, it must be thawed prior to service. When using a vacuum pump, start pump before opening refrigeration system. Vacuum pump and recovery equipment should be at least 10 feet from the work area. It is recommended that a simple LPG gas detector is on site during service. Ensure that all R-600a is removed from the system prior to brazing any part of the sealed system. Only a clean, dry leak free system should be charged with R-600a.

R-600A SPECIFICATIONS/LABELING

  • R-600a equipped products are labeled (both the unit and the compressor).
  • R-600a is colorless and odorless.
  • R-600a is considered non-toxic, but is flammable when mixed with air.
  • Do not remove or alter any R-600a labeling on the product.
  • Use only a refrigerant grade R-600a from a properly labeled container.

RECOVERING/RECLAIMING R-600A
(R-600a has been exempted from recovery/reclaiming requirements by the US EPA) Recovery/Reclaiming equipment must be approved for use with R-600a. Ensure the evaporator is at room temperature prior to recovery /reclaiming R-600a. Use a common piercing pliers or piercing valve to remove R-600a from the compressor process tube.

( Note : Piercing  devices must not be lelt on the system and must bereplaced with a Schrader type valve.) Evacuate/reclaim via the piecing pliers to ensure the system is empty of R-600a before any system work is performed.

  • The recovery cylinder must be evacuated (no air inside) prior to accepting R-600a.
  • The recovery cylinder must not be filled more than 45% safe fill level and refrigerants must not be mixed.
  • The recovery cylinder must be clearly marked with R600a and Flammable Warning labels.
  • Ensure proper ventilation during recovery/reclaiming of R600a.
  • Start vacuum pump/recovery pump prior to piercing the compressor process tube. Follow recovery/reclaim OEM instructions for the specific equipment used.

SYSTEM REPAIR

  • Ensure no residual R-600a refrigerant is left within the system prior to repair (simple venting is not sufficient).
  • Evacuate and charge with dry nitrogen for leak checks. Repair leaks or replace system parts as required. When re-brazing, the system must be purged with dry nitrogen and at least one access point open to the atmosphere.
  • When re-brazing, proper ventilation is required along with constant monitoring for the presence of R600a refrigerant.
  • The filter dryer must be replaced any time the sealed system is serviced. No system should be open to the atmosphere for longer than 15 minutes to avoid moisture migration into the system components.

LEAK DETECTION

  • After removal of the R-600a, the unit can be charged with dry nitrogen or helium. Electronic leak detection or soap solution can be used to check for nitrogen/helium leaks.
  • Never use a halide torch or lighted match to check the system for leaks at any time.
  • The high side of the refrigeration system (compressor discharge to outlet of drier) must be leak tested with the compressor running.
  • The low side of the refrigeration system (evaporator, compressor and suction line) must be leak tested with the compressor off (equalized pressure).

RECHARGING

  1. No air is ever to be allowed inside the refrigeration system (R-600a refrigerant or dry nitrogen only).
  2. Never use a torch on a fully charged refrigeration system.
  3. Install a Schrader Type access port on the compressor process stub.
  4. Evacuate the system to 100 microns prior to charging.
  5. Weigh in the R-600a charge using a refrigerant scale. (run compressor an extra two minutes to clear the charging hoses).
  6. Seal the Schrader Type access port, a proper cap and seal must be used to close the system.

SUMMARY
Safely handling R-600a requires proper procedures and training. R-600a approved service tools must be used. R-600a labeling must not be removed or altered. Proper ventilation during service is required. Never apply a torch to a charged R-600a refrigeration system. Use OEM replacement service parts and do not alter the construction of the unit.

System Diagnosis Guide   REGRIGERATION SYSTEM DIAGNOSIS GUIDE

System Condition| Suction Pressure| Suction Line| Compressor Discharge| Condenser| Capillary Tube| Evaporator| Wattage
---|---|---|---|---|---|---|---
Normal| Normal| Slightly below room temperature| Very hot| Very hot| Warm| Cold| Normal
Overcharge| Higher than normal| Very cold may frost heavily| Slightly warm to hot| Hot to warm| Cool| Cold| Higher than normal
Undercharge| Lower than normal| Warm-near room temperature| Hot| Warm| Warm| Extremely cold near inlet – Outlet below room temperature| Lower than normal
Partial Restriction| Somewhat lower than normal vacuum| Warm-near room temperature| Very hot| Top passes warm – Lower passes cool (near room temperature) due to liquid| Room temperature (cool) or colder| Extremely cold near inlet – Outlet below room temperature backing up| Lower than normal
Complete Restriction| In deep vacuum| Room temperature (cool)| Room temperature (cool)| Room temperature (cool)| Room temperature (cool)| No refrigeration| Lower than normal
No Gas| 0 PSIG to 25″| Room temperature (cool)| Cool to hot| Room temperature (cool)| Room temperature (cool)| No refrigeration| Lower than normal

Compressor Specifications DANGER
Electrocution can cause death or serious injury. Burns from hot or cold surfaces can cause serious injury. Take precautions when servicing this unit. Disconnect the power source. Do not stand in standing water when working around electrical appliances. Make sure the surfaces you touch are not hot or frozen. Do not touch a bare circuit board unless you are wearing an anti- static wrist strap that is grounded to an electrical ground or grounded water pipe. Handle circuit boards carefully and avoid touching components.

Compressor Specifications ESX36CBC
REFRIGERANT R600A
VOLTAGE 115-127 VAC
FREQUENCY 60 Hz
START WINDING 11 Ohm at 77° F
RUN WINDING 11 Ohm at 77° F
RUN TO START 22 Ohm at 77° F
LRA 5.35 A
FLA 0.83 A
STARTING DEVICE Run cap 8EA14C3/8EA14E62/8EA14E63
OVERLOAD OLP 4TM283KFBYY-53

*All resistance readings are± 10%

Troubleshooting Extended

CAUTION  Never attempt to repair or perform maintenance on the unit until the main electrical power has been disconnected from the unit.

SPECIFIC ERRORS AND ISSUES
The advanced diagnostic capabilities of the electronic controls utilized on the 1, 3, and 5 Class units allow for easy and thorough troubleshooting. Navigation of the control is the key and is explained in the CONTROL OPERATION section of the manual, along with control button layout, control function descriptions, a service mode menu and service menu selection explanations. Verification of temperature and thermistor performance can be identified by directly viewing thermistor readings in the service mode. Included in this section are some diagnostic tips and of  course, if additional help is required, please contact theMarvel Refrigeration, “Customer Care Facility” at 616.754.5601 for assistance.

NORMAL OPERATING SOUNDS
All models incorporate rigid foam insulated cabinets to provide high thermal efficiency and maximum sound reduction for its internal working components. Despite this technology, your model may make sounds that are unfamiliar. Normal operating sounds may be more noticeable because of the unit’s environment. Hard surfaces such as cabinets, wood, vinyl or tiled floors and paneled walls have a tendency to reflect normal appliance operating noises. Listed below are common refrigeration components with a brief description of the normal sounds they make.

NOTE:  Your product may not contain all the components listed.

  • Compressor : The compressor makes a hum or pulsing sound that may be heard when it operates.
  • Evaporator : Refrigerant flowing through an evaporator may sound like boiling liquid.
  • Condenser Fan: Air moving through a condenser may be heard.
  • Automatic Defrost Drain Pan: Water may be heard dripping or running into the drain pan when the unit is in the defrost cycle.

Solenoid Valves : An occasional clicking sound may be heard as solenoid valves are operated.

TROUBLESHOOTING GUIDE

Concern Potential Causes Action
Not Cooling Compressor overheating Verify proper air flow through condenser.

Is condenser clean?
Confirm condenser fan operation.
Compressor not operating| Test overload and relay, replace as needed.
Compressor operating – no cooling| Refer to System Diagnosis Guide.
Frozen Product| Control set too cold| Adjust Set Point Temp accordingly.
Thermistor failure| Check Error Log in Service Mode, OHM thermistor.
Frost Buildup Inside Unit| Door Ajar or Restricted from Closing| Check door clearance to adjoining cabinetry. Check distribution of product in unit.
Thermistor failure| OHM thermistor
Display Not Working| Display unplugged| Verify that both ends of the display wiring are firmly connected.
Display wiring broken or damaged| Perform continuity test of wiring and replace as needed.
Interior Lights Not Working| Door switch misaligned or defective| Check the function of reed switch and door magnet adjustment.
Noisy| Refrigeration tubing touching cabinet| Carefully reposition tubing.
Fan blade obstruction (wiring, foam insulation, packaging  material)| Remove obstruction.

MAIN CONTROL
The main control board is very robust and is rarely the cause of system issues. It is important to fully diagnose the board for any suspected failures before attempting to remove the board for replacement or service. Follow the guidelines below to fully test and  diagnose the main control.

Power Fault
If the unit does not (or seems to not) power on, follow the flow chart below to help diagnose the issue. Before beginning it is important to first verify the unit is not simply set to sabbath mode.

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(49\)

CAUTION
Precautions must be taken while working with live electrical equipment. Be sure to follow proper safety procedures while performing tests on live systems.

ROCKER SWITCH
 A rocker switch is used to monitor door state. When the door is closed it comes into contact with the rocker which closes a circuit which turns the light and display off. When the door is open the rocker moves outward and opens the circuit. If the door is left open for longer than 5 minutes the switch will trigger an error code and set an audible warning.

Control Operation-Service

UI BUTTON LAYOUT

Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG
\(51\)

  1. Hidden Button -Access Service Menu -No LED directly above. All LEDs turn on with button
  2. Up Button -Increases temperature -Navigates through service menu
  3. Down Button -Decreases temperature -Navigates through service menu
  4. Light Button -Activates light for 3 hours on select models -Used to select items in service menu
  5. Power Button -Turns unit off/on
  6. Clean Button -Activates Clean Cycle on select models -Toggles between zones in Dual-Zone models

CONTROL FUNCTION GUIDE

FUNCTION COMMAND DISPLAY/ OPTIONS
ON/OFF Press   and release Unit will immediately turn ON or OFF
Sabbath Mode  See “Sabbath Mode” section

SHOWROOM MODE
 This mode is designed to show units in a display environment. When in this mode the only functions will be the control and cabinet lights. The compressor, fans, etc. will not operate. To enter/exit this mode hold the light key and the power key for 5 seconds. The display will f1ash once and beep and the degree symbol will begin to f1ash. When the degree symbol is f1ashing the unit will allow the use of the control for demonstrations. The unit can be left in this mode indefinitely.

SERVICE MODE
This mode has options available for service diagnostics. To enter the mode hold the hidden key for 10 seconds. The display will show 0.” When in this mode use the up and down arrows to select the desired option. The LIGHT key is the ENTER key and will initiate the function. If changing a setting, you must press the LIGHT key again to retain the changed setting. To exit the service mode scroll to option “0” and press the LIGHT key. After Ave minutes of not touching any keys the mode will also exit automatically.

Thermistors
Thermistors are used for various temperature readings. Thermistors provide reliable temperature readings using a resistance which varies based on surrounding temperatures. If a faulty thermistor is suspected it may betested using an accurate ohmmeter. If a thermistor is suspected of being defective, the resistance can be verified. Place the thermistor in an ice water bath, the resistance should read 16.lk Ohms +/-5% on your meter. Thermistor connections must be kept clean. A thermistor connection that has become corroded can cause resistance values from the thermistor to change as they pass through a dirty connection to the board. It is for that reason that we apply dielectric grease to all ofour thermistor connections. Dielectric grease will help to keep thermistor connections clean and dry. If you change a thermistor in the unit please re-apply dielectric grease to the connection. If you encounter a dirty thermistor connection, you should replace the thermistor and the thermistor harness. Thermistor error information can be found in the Control Operations – Service section. This unit has one thermistor. Thermistor (Zone): Located along the right hand side wall. It is used to maintain the operating temperature within that zone.

THERMISTOR FAILURE   Zone Thermistor
 If the zone thermistor in the unit fails, the unit will continue to cool in a backup mode (Self Preservation Mode) to preserve the integrity of the contents. The unit will otherwise operate normally.

Thermistor Resistance Data

Temp (F) Temp (C) **Nominal Resistance (OHMS)***
-40 -40 169157
-31 -35 121795
-22 -30 88766
-13 -25 65333
-4 -20 48614
5 -15 36503
14 -10 27681
23 -5 21166
32 0 16330
41 5 12696
50 10 9951
59 15 7855
68 20 6246
77 25 5000
86 30 4029
95 35 3266
104 40 2665
113 45 2186
122 50 1803
131 55 1495
140 60 1247
149 65 1044
158 70 879
167 75 743
176 80 631

*(+/-5%) DefrostOutdoor units defrost every 3 hours of compressor runtime for 40 minutes. If you have verified that the unit does not have an ambient air leak, utilize the Control Operation – Service section and adjust unit to defrost every 2 hours for 60 minutes

CONVECTION COOLING
 This unit is equipped with an advanced convection cooling system. Convection cooling stabilizes cabinet temperature, cools product faster and increases energy efficiency.

Evaporator Fan
The evaporator fan is responsible for circulating warm air from the refrigeration zone, past the evaporator and back into the refrigerated zone. The evaporator fan is factory set to have a 1 minute delay at the beginning of a cooling cycle. This delay gives the evaporator time to cool properly before warm air is passed over it. The fan will continue to run for an additional 2 minutes at the end of a cooling cycle. Fan delay times can be modified through the service menu. Evaporator fan operation is also determined by door switch state. If the door switch circuit opens, the fan will stop. When the door switch circuit is closed the fan will either continue running with the cooling cycle, or if not currently cooling, the fan will run for 1 minute to circulate air and clear any condensation that may have appeared on glass doors and shelves.

Note:  If the unit is set to sabbath mode, the evaporator fan will no longer respond to the state of the door switch. In order to operate efficiently, the evaporator fan blade and vents should be unobstructed and free of any dust buildup.

Evaporator Fan Replacement
 Should the evaporator fan need to be replaced follow the steps below.

  1. Remove any product from the unit.
  2. Remove unit from cabinetry to access rear.
  3. Disconnect power to the unit.
  4. Remove back panel from unit.
  5. Disconnect fan electrical connection at rear of unit.
  6. Remove insulating foam from refrigerant line passthrough hole as needed to gain clearance for fan plug.
  7. Remove internal shelving.
  8. Remove evaporator cover screws.
  9. Grasp evaporator cover, pull forward and up as bottom of cover is installed behind the front edge of the drain trough.
  10. While pulling the evaporator cover clear of the unit, it may be necessary to use your free hand to manipulate the fan plug end through the pass-through hole.
  11. Remove the 4 screws mounting the fan shroud to the evaporator plate.Marvel-MOKR12-SSC1A-Stainless-Steel-Outdoor-Kegerator-FIG \(54\)
  12. Remove and replace fan. Take special care to properly route fan wire.
    • NOTICE:  Fan must be oriented to pull air in through lower evaporator cover vents and push air out at fan mounting location.
  13. Installation is the reverse of removal.
  14. Care must be taken to assure the bottom of the evaporator cover is reinstalled behind the front edge of the train trough.
  15. Use sealant gum to seal any openings at rear of unit before replacing rear cover.
  16. Reinstall unit taking care to level, space and secure as found.

HOUSEHOLD PRODUCT WARRANTY   Marvel Refrigeration (Marvel) Limited Warranty

ONE YEAR LIMITED PARTS & LABOR WARRANTY
 For one year from the date of original purchase, this warranty covers all parts and labor to repair or replace any part of the product that proves to be defective in materials or workmanship. For products installed and used for normal residential use, material cosmetic defects are included in this warranty, with coverage limited to 60 days from the date of original purchase. All service provided by Marvel under the above warranty must be performed by a Marvel factory authorized servicer, unless otherwise specified by Marvel. Service provided during normal business hours.

TWO YEAR LIMITED PARTS & LABOR WARRANTY (MARVEL PROFESSIONAL PRODUCTS)
 For two years from the date of original purchase, this warranty covers all parts and labor to repair or replace any part of the product that proves to be defective in materials or workmanship. For products installed and used for normal residential use, material cosmetic defects are included in this warranty, with coverage limited to 60 days from the date of original purchase. All service provided by Marvel under the above warranty must be performed by a Marvel factory authorized servicer, unless otherwise specified by Marvel. Service provided during normal business hours.

AVAILABLE THIRD YEAR LIMITED WARRANTY (MARVEL PROFESSIONAL PRODUCTS)
 For designated Marvel Professional product, Marvel offers a one year extension of the two year warranty coverage from the date of purchase, free of charge. To take advantage of this third year warranty, you must register your product with Marvel within 60 days from the date of purchase at marvelrefrigeration.com and provide proof of purchase. Nugget Ice Machine proof of purchase must include the purchase of an in-line water filter and filter head to qualify for this additional limited warranty.

LIMITED FIVE YEAR SEALED SYSTEM WARRANTY
 For five years from the date of original purchase, Marvel will repair or replace the following parts, labor not included, that prove to be defective in materials or workmanship: compressor, condenser, evaporator, drier, and all connecting tubing. All service provided by Marvel under the above warranty must be performed by a Marvel factory authorized servicer, unless otherwise specified by Marvel. Service provided during normal business hours.

WARRANTY TERMS
These warranties apply only to products installed in any one of the fifty states of the United States, the District of Columbia, or the ten provinces of Canada. The warranties do not cover any parts or labor to correct any defect caused by negligence, accident or improper use, maintenance, installation, service, repair, acts of God, fire, flood or other natural disasters. The product must be installed, operated, and maintained in accordance with the Marvel User Guide. The remedies described above for each warranty are the only ones that Marvel will provide, either under these warranties or under any warranty arising by operation of law. Marvel will not be responsible for any consequential or incidental damages arising from the breach of these warranties or any other warranty, whether express, implied, or statutory. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. These warranties give you specific legal rights, and you may also have other rights which vary from state to state. Any warranty that may be implied in connection with your purchase or use of the product, including any warranty of merchantability or any warranty fit for a particular purpose is limited to the duration of these warranties, and only extends to five years in duration for the parts described in the section related to the five year limited warranty above. Some states do not allow limitations on how long an implied warranty lasts, so the above limitations may not apply to you.

  • The warranties only apply to the original purchaser and are non-transferable.
  • The second, third, and five year warranties cover products installed and used for normal residential use only.
  • The warranties apply to units operated outside only if designed for outdoor use by model and serial number.
  • Replacement water filters, light bulbs, and other consumable parts are not covered by these warranties.
  • The start of Marvel’s obligation is limited to four years after the shipment date from Marvel.
  • In-home instruction on how to use your product is not covered by these warranties.
  • Food, beverage, and medicine loss are not covered by these warranties. If the product is located in an area where Marvel factory authorized service is not available, you may be responsible for a trip charge or you may be required to bring the product to a Marvel factory authorized service location at your own cost and expense.
  • Units purchased after use as floor displays, and/or certified reconditioned units, are covered by the limited one year warranty only and no coverage is provided for cosmetic defects.
  • Signal issues related to Wi-Fi connectivity are not covered by these warranties.

For parts and service assistance, or to find Marvel factory authorized service near you, contact Marvel Refrigeration: MarvelRefrigeration.com techsupport@MarvelRefrigeration.com • +616.754.5601 1260 E. Van Deinse St., Greenville, MI 48838 www.marvelrefrigeration.com Marvel Refrigeration 1260 E. Van Deinse St. Greenville MI 48838 616.754.5601 All specifications and product designs subject to change without notice. Such revisions do not entitle the buyer to corresponding changes, improvements, additions, replacements or compensation for previously purchased products.

References

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