Hoshizaki KM-1800SAH-3 Stackable Crescent Cuber Instruction Manual

Hoshizaki KM-1800SAH-3 Stackable Crescent Cuber

Product Information

Specifications

• Nameplate Rating: KM-1800SAH (air-cooled)
• Serial Number: [Serial Number]
• AC Supply Voltage: 208-230/60/1 (3 WIRE WITH NEUTRAL FOR 115V)
• Compressor: 230V 13RLA 82LRA
• Pump: 120V 1.2FLA 60W
• Fan: 115V 2FLA(total) 60W
• Other: 115V 0.3A
• Maximum Fuse Size: 30 AMPS
• Max. HACR Breaker (USA ONLY): 30 AMPS
• Max. Circ. Breaker (Canada ONLY): 30 AMPS
• Minimum Circuit Ampacity: 30 AMPS
• Design Pressure: HI-467PSI LO-230PSI
• Refrigerant: R-404A 4LBS. 6.5oz.
• MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED FOR OUTDOOR USE!

Product Usage Instructions

Installation

1. Only qualified service technicians should attempt to install the icemaker.
2. Thoroughly read the Instruction Manual before installation.

Operation

1. The owner/manager should not operate the icemaker until properly instructed by the installer.

Cleaning and Maintenance Instructions
Cleaning Instructions

1. Follow the Cleaning Procedure outlined in the Instruction Manual.

Sanitizing Procedure

1. After completing the Cleaning Procedure, follow the steps for the Sanitizing Procedure.

FAQ

• Q: Who should install, service, and maintain this icemaker?
  A: Only qualified service technicians should attempt to install, service, or maintain this icemaker.

• Q: Where can I get technical support?
  A: For technical support, please contact the HOSHIZAKI Technical Support Department:
  Phone: 1-800-33-1940
  Fax: 1-800-843-1056
  E-mail: techsupport@hoshizaki.com
  Website: www.hoshizaki.com

• Q: How can I expedite assistance when contacting technical support?
  A: To expedite assistance, make sure to include the following information in all correspondence/communication:- [Serial Number]

IMPORTANT
Only qualified service technicians should attempt to install, service or maintain this icemaker. No installation, service, or maintenance should be undertaken until the technician has thoroughly read this Instruction Manual. Likewise, the owner/manager should not proceed to operate the icemaker until the installer has instructed them on its proper operation.

HOSHIZAKI provides this manual primarily to assist qualified service technicians in the installation, maintenance, and service of the icemaker.
Should the reader have any questions or concerns that have not been satisfactorily addressed, please call, write, or send an e-mail message to the HOSHIZAKI Technical Support Department for assistance.
HOSHIZAKI AMERICA, INC.
618 Highway 74 South
Peachtree City, GA 3069
Attn: HOSHIZAKI Technical Support Department
Phone: 1-800-33-1940 Technical Service
(770) 487-331 Fax: 1-800-843-1056
770-487-3360
E-mail: techsupport@hoshizaki.com
Web Site: www.hoshizaki.com

NOTE : To expedite assistance, all correspondence/communication MUST include the following information:

• Model Number
• Serial Number
• Complete and detailed explanation of the problem
• Please review this manual. It should be read carefully before the icemaker is installed and operated. Only qualified service technicians should install, service and maintain the icemaker. This manual should be made available to the technician before installation, maintenance or service.
• Keep this manual with the icemaker for later reference.

**Specifications

**

A. Nameplate Rating

1. KM-1800SAH (air-cooled)
   • See the nameplate for electrical and refrigeration specifications. This nameplate is located on the upper right-hand side of the rear panel.
   • Since this nameplate is located on the rear panel of the icemaker, it cannot be read when the back of the icemaker is against a wall or another piece of kitchen equipment. Therefore, the necessary electrical and refrigeration information is also on the rating label, which can be easily seen by removing only the front panel of the ice maker.
   • We reserve the right to make changes in specifications and design without prior notice.
2. KM-1800SAH3 (air-cooled, 3 phase)
   • See the nameplate for electrical and refrigeration specifications. This nameplate is located on the upper right-hand side of the rear panel.
   • Since this nameplate is located on the rear panel of the icemaker, it cannot be read when the back of the icemaker is against a wall or another piece of kitchen equipment. Therefore, the necessary electrical and refrigeration information is also on the rating label, which can be easily seen by removing only the front panel of the ice maker.
   • We reserve the right to make changes in specifications and design without prior notice.
3. KM-1800SWH (water-cooled)
   • See the nameplate for electrical and refrigeration specifications. This nameplate is located on the upper right-hand side of the rear panel.
   • Since this nameplate is located on the rear panel of the icemaker, it cannot be read when the back of the icemaker is against a wall or another piece of kitchen equipment. Therefore, the necessary electrical and refrigeration information is also on the rating label, which can be easily seen by removing only the front panel of the ice maker.
   • We reserve the right to make changes in specifications and design without prior notice.
4. KM-1800SWH3 (water-cooled, 3 phase)
   • See the nameplate for electrical and refrigeration specifications. This nameplate is located on the upper right-hand side of the rear panel.
   • Since this nameplate is located on the rear panel of the icemaker, it cannot be read when the back of the icemaker is against a wall or another piece of kitchen equipment. Therefore, the necessary electrical and refrigeration information is also on the rating label, which can be easily seen by removing only the front panel of the ice maker.
   • We reserve the right to make changes in specifications and design without prior notice.
5. KM-1800SRH (remote air-cooled)
   • See the nameplate for electrical and refrigeration specifications. This nameplate is located on the upper right-hand side of the rear panel.
   • Since this nameplate is located on the rear panel of the icemaker, it cannot be read when the back of the icemaker is against a wall or another piece of kitchen equipment. Therefore, the necessary electrical and refrigeration information is also on the rating label, which can be easily seen by removing only the front panel of the ice maker.
   • We reserve the right to make changes in specifications and design without prior notice.
6. KM-1800SRH3 (remote air-cooled, 3 phase)
   • See the nameplate for electrical and refrigeration specifications. This nameplate is located on the upper right-hand side of the rear panel.
   • Since this nameplate is located on the rear panel of the icemaker, it cannot be read when the back of the icemaker is against a wall or another piece of kitchen equipment. Therefore, the necessary electrical and refrigeration information is also on the rating label, which can be easily seen by removing only the front panel of the ice maker.
   • We reserve the right to make changes in specifications and design without prior notice.

**Dimensions/Connections

**

1. KM-1800SAH/3 Note: When used with a storage bin not recommended by Hoshizaki, the ice maker needs space at the bottom opening as in the illustration.
2. KM-1800SWH/3 Note : When used with a storage bin not recommended by Hoshizaki, the ice maker needs space at the bottom opening as in the illustration.
3. KM-1800SRH/3 Note : When used with a storage bin not recommended by Hoshizaki, the ice maker needs space at the bottom opening as in the illustration.

Installation and Operating Instructions

A. Checks Before Installation
IMPORTANT

1. Remove all shipping cartons, tape, and packing. If packing material is left in the icemaker, it will not work properly.
2. Ensure all components, fasteners, and thumbscrews are securely in place.

• Remove the panels to prevent damage when installing the icemaker. (See “B. How to Remove Panels.”)
• Remove the package containing the accessories from the compressor compartment.
• Remove the protective plastic film from the panels. If the icemaker is exposed to the sun or to heat, remove the film after the icemaker cools.
• Check that the refrigerant lines do not rub or touch lines or other surfaces.
• Check that the compressor is snug on all mounting pads.
• See the nameplate on the rear panel, and check that the voltage supplied corresponds with the voltage specified on the nameplate.
• This icemaker needs a storage bin. The recommended storage bin is HOSHIZAKI ICE STORAGE BIN, Model B-800 series.

B. How to Remove Panels
See Fig. 1

• Front Panel: Remove the two screws. Lift and pull towards you.
• Top Panel: Remove the two screws, and then lift off.
• Side Panel (R): Remove the screw. Pull slightly towards you, and take off.
• Insulation Panel: Remove the thumbscrew. Lift slightly, and pull towards you.

C. Location
WARNING
This ice maker is not intended for outdoor use. Normal operating ambient temperature should be within +45°F to +100°F (+7°C to +38°C); Normal operating water temperature should be within +45°F to +90°F (+7°C to +3°C). Operation of the icemaker, for extended periods, outside of these normal temperature ranges may affect production capacity.

For best operating results:

• Icemakers should not be located next to ovens, grills or other high-heat-producing equipment.
• The location should provide a firm and level foundation for the equipment.
• Allow 12″ clearance at the rear, sides, and top for proper air circulation and ease of maintenance and/or service should they be required.

D. Setup

1. Unpack the storage bin, and attach the four adjustable legs provided to the bottom of the storage bin.

2. Position the storage bin in the selected permanent location.

3. Place the icemaker on top of the storage bin.

4. Secure the icemaker to the storage bin by using the two universal braces and two of the bolts provided. See Fig. 2. CAUTION
   Before operating the icemaker, the bin control thermostat assembly must be installed correctly. Failure to properly install the assembly could result in ice backup and unit damage.

5. Install the bin control thermostat.
   a. Remove the baffle from the bin.
   b. Remove the tie securing the bin control thermostat assembly. Then, remove the thumbscrew and the “Z” bracket.
   c. Remove the bin control thermostat assembly from the shipping hook by lifting it up and shifting it to the right. Lower the thermostat extension bracket (stainless) with the thermostat bulb attachment and thermostat bulb through the hole located at the bottom of the ice maker. Next, lower the thermostat bracket (plastic) through the hole.
   d. Slide the left side of the upper part of the assembly towards you and make sure it is hooked on the wall. Make sure the left side and bottom of the assembly are flush against the wall and base panel.
   e. Secure the assembly in place with the thumbscrew (unless you are installing a second unit).
   f. Insert the plug into the receptacle on the assembly until it locks in place. If a Hoshizaki B-800, B-900 or B-1150 bin is being used: g. Put aside the “Z” bracket; it is not needed with the bins listed above.
   h. Remove the two screws from the lower part of the thermostat bracket (plastic) and use them to attach the thermostat extension bracket (stainless) to the thermostat bracket (plastic).
   If a Hoshizaki B-1300, B-1500, B-1650 or non-Hoshizaki bin is being used: g. Remove the two screws securing the thermostat bulb attachment (plastic) to the thermostat extension bracket (stainless). Use the two screws to attach the “Z” bracket (plastic) to the thermostat extension bracket (stainless).
   h. Use the two 4×10 stainless steel screws in the accessory bag to attach the thermostat bulb attachment (with the attached thermostat bulb) to the “Z” bracket.
   i. Remove the two screws from the lower part of the thermostat bracket (plastic) and use them to attach the thermostat extension bracket (stainless) to the thermostat bracket (plastic).

6. Level the icemaker/storage bin in both the left-to-right and front-to-rear directions. Adjust the ice bin legs to make the icemaker level.

7. Place the panels and baffle in position (unless you are installing a second unit). (See “E. Installation of Second Unit.”)

E. Installation of Second Unit

1. See “D. Setup” for the lower unit installation.
2. Remove the top panel and the top insulation of the lower unit. The top panel and the top insulation of the lower unit are not required when installing the second icemaker.
3. Unpack the second icemaker (upper unit), and remove all shipping cartons, tape, and packing.
4. Remove the panels of the second icemaker.
5. Stack the upper unit on top of the lower unit.
6. Secure the upper unit to the lower unit by using the two universal braces and the four bolts provided.
7. Remove the thermostat bulb attachment (plastic) of the upper unit from the thermostat extension bracket (stainless).
8. Carefully remove the thermostat bulb from the thermostat bulb attachment (plastic) of the upper unit.
9. Carefully route the thermostat bulb and capillary tubing of the upper unit through the bottom hole of the upper unit. Remove the bushing from the lower bin control thermostat assembly. Route the bulb and tubing through the hole in the assembly and down into the bin. Reattach the bushing.
10. Secure the lower bin control thermostat assembly in place with the thumbscrew.
11. Carefully insert the thermostat bulb back into the thermostat bulb attachment (plastic).
12. Secure the thermostat bulb attachment (plastic) of the upper unit to the thermostat bulb attachment (plastic) of the lower unit with the screws of the upper unit.
13. Insert the plug of the upper unit into the receptacle of the upper unit’s bin control thermostat assembly until it locks in place.
14. Place the panels and baffle in position.

F. Electrical Connection
WARNING

1. Electrical connection must be made under the instructions on a “WARNING” tag, provided with the pigtail leads in the junction box.
2. This icemaker requires a ground that meets the national and local electrical code requirements. To prevent possible electrical shock to individuals or extensive damage to the equipment, install a proper ground wire to the icemaker.

• On single-phase models (KM-1800S_H), the white lead must be connected to the neutral conductor of the power source. Miswiring results in severe damage to the icemaker. See Fig. 8a.
• On three-phase models (KM-1800S_H3), the voltage tap switch in the unit should be positioned to match incoming voltage at start-up. See Fig. 8b.
• This icemaker must have a separate power supply or receptacle of proper capacity. See the nameplate.
• The opening for the power supply connection is 7/8″ DIA to fit a 1/2″trade-size conduit.
• When excessive voltage is supplied to the controller board, the icemaker stops running in 3 seconds. See “J. Startup.”
• Usually an electrical permit and the services of a licensed electrician are required.

G. Installation of Remote Condenser Unit

1. Checks Before Installation

2. Unpack and remove the shipping carton, tape(s), and packing.

3. Check that the refrigerant lines do not rub or touch lines or other surfaces and that the fan blade turns freely.

4. Location
   The condenser unit must be positioned in a permanent site under the following guidelines.

   • A firm and flat site.
   • A dry and well-ventilated area with 24″ clearance on both front and rear for ease of maintenance and service should they be required.
   • Normal condenser ambient temperature: -20°F to +122°F (-29°C to +50°C). Temperatures not within this operating range may affect the production capacity of the icemaker.
   • The maximum line length for the standard refrigerant charge is 66 feet. Should an installation require a longer line length, please call 1-800-233-1940 for recommendations concerning the correct additional refrigerant charge to be added.
     Note : If the recommended guidelines of the installation are exceeded, the icemaker performance may be reduced.

5. Setup

6. Secure the legs to the condenser unit with eight M8×16 mm hexagon bolts and M8 nuts as shown in the illustration. See Fig. 10.
   Note : Locate the legs symmetrically.

7. The legs have eight mounting holes. Secure the legs with eight bolts (not included).

8. Install enough length of two copper tubings provided with Parker quick connect couplings between the icemaker and the condenser unit. The two copper tubings should be insulated separately. See Fig. 11.

  * A connector kit “OS-QUICK” is available for field-fabricated lines from Hoshizaki America.
  * R-404A precharged tubing kits, available as optional equipment, are recommended.
4. Line sets fabricated in the field should be evacuated through the charging ports on the Parker quick-connect couplings and charged with R-404A refrigerant vapor to a pressure of 15 – 30 PSIG.  

Note : Factory-fabricated tubing kits are precharged and do not need to be evacuated.

5. Remove the plastic caps protecting the couplings. Attach the two refrigerant lines to the male couplings on the ice maker and the remote condenser unit. Each refrigerant line must be connected as follows: Icemaker discharge refrigerant line – 5/8″ OD tubing to “DIS” of condenser unit Icemaker liquid refrigerant line – 3/8″ OD tubing to “LIQ” of condenser unit  

Note : Care should be taken that the unit, line set, and condenser contain the same type of refrigerant before making connections. Mixing of refrigerants will result in improper operation and possible damage to the refrigeration system. Make the connections at the remote condenser first and then at the ice maker.

Electrical Connection

WARNING
This remote condenser unit requires a ground that meets the national and local electrical code requirements. To prevent possible electrical shock to individuals or extensive damage to equipment, install a proper ground wire to this condenser unit.

• This condenser unit must be connected to the fan motor junction box on the ice maker.
• The opening for the power supply connection is 7/8″ DIA to fit a 1/2″trade-size conduit.
• Usually, an electrical permit and the services of a licensed electrician are required.

1. Remove the panel.
2. Remove the junction box cover.
3. Connect the fan motor leads in the junction box of the remote condenser unit to the fan motor leads in the junction box of the HOSHIZAKI remote air-cooled icemaker.
4. Install a ground wire from the icemaker to the remote condenser unit.
5. Place the junction box cover and the louver panel in position.

Stacking Condenser Unit

1. Secure the lower condenser unit to the legs with eight bolts (not included).
2. Attach the upper condenser unit on the top of the lower.
3. Secure the upper condenser unit with the four screws provided.
4. Install refrigerant lines, and make electrical connections for each fan motor as shown in Items [c] and [d].

H. Water Supply and Drain Connections See Fig. 14a, 14b and 14c
WARNING
To prevent damage to the pump assembly, do not operate the icemaker when the water supply is OFF, or if the pressure is below 10 PSIG. Do not run the icemaker until the proper water pressure is reached.

• The water supply inlet is a 1/2″ female pipe thread (FPT).
  Note : On the water-cooled model, two water supply inlets are provided. One is for the icemaker, and the other is for the water-cooled condenser.

• A water supply line shut-off valve and drain valve should be installed. A minimum of 1/2″ OD copper tubing is recommended for the water supply lines.

• Water supply pressure should be a minimum of 10 PSIG and a maximum of 113 PSIG. If the pressure exceeds 113 PSIG, the use of a pressure reducing valve is required.

• The drain outlet for the icemaker dump is 3/4″ FPT. The drain for condensation is a 3/8″ ID pipe. The icemaker drain and the condenser drain piping connections must be made separately from the bin drain.
  Note : On the water-cooled model, a 1/2″ FPT is provided for the condenser drain outlet.

• The drains must have 1/4″ fall per foot on horizontal runs to get a good flow.

• The drains should not be piped directly to the sewer system. An air gap of a minimum of 2 vertical inches should be between the end of the drain pipe from the icemaker or the ice bin and the floor drain.

• This icemaker should be installed under applicable national, state, and local regulations.

• A plumbing permit and the services of a licensed plumber may be required in some areas.

• In some areas, a backflow preventer may be required in the cooling water circuit.

I. Final Checklist

1. Is the icemaker level?

2. Is the icemaker in a site where the ambient temperature is between +45°F to +100°F (+7°C to +38°C) all year around?

3. Is there at least a 12″ clearance around the icemaker for maintenance or service?

4. Have all shipping tape(s), packing, and cartons been removed from the ice maker? Are the cube guides in their correct position? Are the separators properly attached to their holding clips?

5. Are all components, fasteners, and thumbscrews securely in place?

6. Have all electrical and piping connections been made?

7. Has the power supply voltage been checked or tested against the nameplate rating? Has the voltage tap switch in the three-phase model unit been positioned to match the incoming voltage? Has a proper ground been installed in the icemaker?

8. Are the water supply line shut-off valve and drain valve installed? Has the water supply pressure been checked to ensure a minimum of 10 PSIG and a maximum of 113 PSIG?
   Note : The icemaker may stop running when the water supply is OFF, or if the pressure is below 10 PSIG. When the proper water pressure is reached, the icemaker automatically starts running again.

9. Have the compressor hold-down bolts and refrigerant lines been checked against vibration and possible failure?

10. Has the bin control switch been checked for correct operation? When the icemaker is running, hold an ice cube in contact with the bulb. The icemaker should stop within 6 to 10 seconds.

11. Has the end user been given the instruction manual, and instructed on how to operate the icemaker and the importance of the recommended periodic maintenance?

12. Has the end user been given the name and telephone number of an authorized service agent?

13. Has the warranty tag been filled out and forwarded to the factory for warranty registration?

J. Startup
CAUTION

• All parts are factory-adjusted. Improper adjustments may fail.
• If the unit is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor.
• Do not operate the unit in the “WASH” position without water in the water tank. This will cause damage to the water pump seal.

1. Open the water supply line shut-off valve.

2. Remove the front panel.

3. Move the control switch on the control box to the “ICE” position.

4. Replace the front panel in its correct position.

5. Turn on the power supply, and allow the water tank to fill with water and the icemaker to operate for a total of 10 minutes.
   Note : If miswiring causes excessive voltage on the controller board, the high voltage cut-out shuts down the circuit in 3 seconds and the icemaker automatically stops. When the proper supply voltage is resumed, the icemaker automatically starts running again.

6. Turn off the power supply, and remove the front panel.

7. Remove the insulation panel. Remove the cap located on the front bottom part of the ice-dropping hole. Drain the water tank. See Fig. 15.

8. Replace the cap, insulation panel and front panel in their correct position.

9. Clean the storage bin.

10. Turn on the power supply, and start the automatic icemaking process.

Cleaning and Maintenance Instructions

IMPORTANT Ensure all components, fasteners, and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment.

A. Cleaning Instructions
WARNING

1. HOSHIZAKI recommends cleaning this unit at least once a year. More frequent cleaning, however, may be required in some existing water conditions.
2. To prevent injury to individuals and damage to the icemaker, do not use ammonia-type cleaners.
3. Always wear liquid-proof gloves to prevent the cleaning and sanitizing solutions from coming into contact with the skin.

IMPORTANT

1. The cleaning valve is used to provide access to the inside of the evaporator during the cleaning and sanitizing operation. It should be closed for all icemaking operations. The compressor will not operate unless this valve is completely closed.
2. To open the cleaning valve, the valve handle should be parallel to the valve body. To close the valve, the valve handle should be at a right angle to the valve body.

Cleaning Procedure

1. Dilute approximately 38 fl. oz. of recommended cleaner Hoshizaki “Scale Away” or “LIME-A-WAY,” (Economics Laboratory, Inc.) with 7 gal. of water.

2. Remove all ice from the evaporator and the storage bin.
   Note : To remove cubes on the evaporator, turn off the power supply and turn it on after 3 minutes. The defrost cycle starts and the cubes will be removed from the evaporator.

3. Turn off the power supply.

4. Remove the front panel, and then remove the insulation panel by first removing the thumbscrew, lifting the panel slightly, and pulling it towards you.

5. Remove the cap located on the front bottom part of the ice-dropping hole. Drain the water tank. See Fig. 15.

6. Replace the cap in its correct position. Be careful not to cross-thread it.

7. In bad or severe water conditions, clean the float switch assembly as described below. Otherwise, continue to step 8.
   a. Remove the float switch assembly from the mounting bracket and remove the rubber boot from the bottom of the assembly.
   b. Remove the retainer rod from the bottom of the float switch assembly, then remove the float. Be careful not to bend the retainer rod excessively when removing it.
   c. Wipe down the float switch assembly’s housing, shaft, float, and retainer rod with a cleaning solution. Wipe the inside of the rubber boot with a cleaning solution.
   d. Reassemble the float switch assembly and replace it and the rubber boot in their correct positions.

8. Pour the cleaning solution into the water tank.

9. Fully open the cleaning valve on the left side wall of the machine compartment.

10. Move the control switch on the control box to the “WASH” position

11. Replace the insulation panel and the front panel in their correct positions.

12. Turn on the power supply, and start the washing process.

13. Turn off the power supply after 30 minutes.

14. Remove the front panel and the insulation panel.

15. Remove the cap located on the front bottom part of the ice-dropping hole. Drain the water tank. Replace the cap and the insulation panel in their correct positions.

16. Move the control switch to the “ICE” position.

17. Close the cleaning valve.

18. Replace the front panel in its correct position.

19. Turn on the power supply to fill the water tank with water.

20. Turn off the power supply after 3 minutes.

21. Remove the front panel, and fully open the cleaning valve.

22. Move the control switch to the “WASH” position.

23. Replace the front panel in its correct position.

24. Turn on the power supply to rinse off the cleaning solution.

25. Turn off the power supply after 5 minutes.

26. Remove the front panel and the insulation panel.

27. Remove the cap located on the front bottom part of the ice-dropping hole. Drain the water tank. Replace the cap and the insulation panel in their correct positions. Note: Do not replace the insulation panel when you proceed to “2. Sanitizing Procedure.”

28. Repeat the above steps 16 through 27 three more times to rinse thoroughly.
    Note : If you do not sanitize the icemaker, go to step 9 in “2. Sanitizing Procedure.”

Sanitizing Procedure – Following the Cleaning Procedure

1. Dilute a 5.25% sodium hypochlorite solution (chlorine bleach) with water (add 3.5 fl. oz. of sanitizer to 7 gal. of water).

2. Pour the sanitizing solution into the water tank.

3. Replace the insulation panel and the front panel in their correct positions.
   Note : Make sure that the control switch is in the “WASH” position and the cleaning valve is open.

4. Turn on the power supply, and start the sanitizing process.

5. Turn off the power supply after 15 minutes.

6. Remove the front panel and the insulation panel.

7. Remove the cap located on the front bottom part of the ice-dropping hole. Drain the water tank. Replace the cap and the insulation panel in their correct positions.

8. Repeat the above steps 16 through 27 in “1. Cleaning Procedure” two times to rinse thoroughly.

9. Close the cleaning valve.

10. Move the control switch to the “ICE” position.

11. Replace the front panel in its correct position.

12. Clean the storage bin with water.

13. Turn on the power supply, and start the automatic icemaking process.

B. Maintenance Instructions
IMPORTANT This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker.

1. Stainless Steel Exterior
   To prevent corrosion, wipe the exterior occasionally with a clean and soft cloth. Use a damp cloth containing a neutral cleaner to wipe off oil or dirt buildup.

2. Storage Bin and Scoop

   • Wash your hands before removing ice. Use the plastic scoop provided (bin accessory).
   • The storage bin is for ice use only. Do not store anything else in the bin.
   • Keep the scoop clean. Clean it by using a neutral cleaner and rinse thoroughly.
   • Clean the bin liner by using a neutral cleaner. Rinse thoroughly after cleaning.

3. Air Filter
   A plastic mesh air filter removes dirt or dust from the air, and keeps the condenser from getting clogged. As the filter gets clogged, the icemaker’s performance will be reduced. Check the filter at least twice a month. When clogged, use warm water and a neutral cleaner to wash the filter.

4. Condenser
   Check the condenser once a year, and clean if required by using a brush or vacuum cleaner. More frequent cleaning may be required depending on the location of the icemaker.

C. Preparing the Icemaker for Long Storage
IMPORTANT
When shutting off the icemaker for an extended time, drain out all water from the water tank and remove the ice from the storage bin. The storage bin should be cleaned and dried. Drain the icemaker to prevent damage to the water supply line at sub-freezing temperatures, using air or carbon dioxide. Shut off the icemaker until the proper ambient temperature is resumed.
When the icemaker is not used for two or three days, it is sufficient to only move the control switch to the “OFF” position, unless the icemaker will be at sub-freezing temperatures.

On the water-cooled model only, first remove the water from the water- cooled condenser:

1. Remove the front panel.
2. Move the control switch, on the control box, to the “OFF” position.
3. Wait 3 minutes.
4. Move the control switch to the “ICE” position.
5. Allow 5 minutes for the icemaker to fill with water and the water pump to start operating.
6. Close the water-cooled condenser water supply line shut-off valve. See Fig. 14b.
7. Open the drain valve for the water-cooled condenser water supply line.
8. Allow the line to drain by gravity.
9. Quickly attach compressed air or carbon dioxide supply to the condenser water line drain valve.
10. Blow the water-cooled condenser out using compressed air or carbon dioxide until water stops coming out.

Remove the water from the potable water supply line:

1. Remove the front panel. (Except water-cooled model)
2. Move the control switch on the control box to the “OFF” position.
3. Wait 3 minutes.
4. Close the potable water supply line shut-off valve and open the potable water supply line drain valve. See Fig. 14a, 14b, or 14c.
5. Allow the line to drain by gravity.
6. Attach compressed air or carbon dioxide supply to the potable water line drain valve.
7. Move the control switch to the “ICE” position.
8. Blow the potable water line out using compressed air or carbon dioxide.

Drain the potable water tank:

1. Turn off the power supply switch.
2. Move the control switch on the control box to the “OFF” position.
3. Remove the insulation panel. Remove the cap located on the front bottom part of the ice-dropping hole. Drain the water tank. See Fig. 15.
4. Replace the cap and the insulation panel in their correct positions.
5. Remove all ice from the storage bin, and clean the storage bin.
6. Replace the front panel in its correct position.

HOSHIZAKI AMERICA, INC.
618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL 770-487-2331  FAX 770-487-3360 www.hoshizaki.com 91A1SA10D

References

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