DAYTON 4XA50C Portable Oil-Fired Heater Instruction Manual

Operating Instructions & Parts Manual
4XA50C

Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or property damage! Retain instructions for future reference.

Dayton® Portable Oil-Fired Heater

Figure 1 – Model 4XA50C

Description

Dayton Model 4XA50C heater is a 650,000 BTU/Hr heater. This heater uses 1-K Kerosene for combustion, and electricity to run the fan. It is primarily intended for temporary heating of well-ventilated buildings under construction, alteration, or repair. This heater may be used in agricultural, industrial, and commercial environments.

Specifications

ELECTRICAL SPECIFICATIONS

Model| Electrical Input| Amperage| Fuse| Spark Plug Gap
---|---|---|---|---
4XA50C| 120V, 60 Hz| 7.1| 125V/15 amp (Circuit Breaker)| .140” (3.5 mm)

GENERAL SPECIFICATIONS

Model| Type of Fuel| Input Rating| Pump Pressure| Fuel Tank Capacity| Fuel Consumption| Size L x W x H| Weight Lbs. (kg)
---|---|---|---|---|---|---|---
4XA50C| 1-K Kerosene| 650,000 BTU/Hr| 110 PSI| 50 Gallons| 4.9 Gal/Hr| 69.2” x 30.7” x 48.7”| 276 (125)

Introduction

Please read this USER’S MANUAL carefully. It will show you how to assemble, maintain and operate this heater safely and efficiently to obtain the full benefits of its many features.
Consumer: retain these instructions for future reference.

Unpacking

1. Remove all packing items applied to the heater for shipment.
2. Remove all items from a carton.
3. Check all items for shipping damage. If the heater is damaged, promptly inform the dealer where you purchased the heater.

Figure 2 – Heater Dimensions

General Safety Information

Indicates an imminently hazardous situation that, if not avoided, WILL result in death or serious injury.
Indicates a potentially hazardous situation that, if not avoided, COULD result in death or serious injury.
Indicates a potentially hazardous situation that, if not avoided, MAY result in minor or moderate injury.
Before using this heater, please read this USER’S MANUAL very carefully. This USER’S MANUAL has been designed to instruct you as to the proper manner in which to assemble, maintain, store, and most importantly, how to operate the heater in a safe and efficient manner.
Never leave the heater unattended while burning!
Improper use of this heater can result in serious injury or death from burns, fire, explosion, electrical shock, and/or carbon monoxide poisoning.

For optimal performance of this heater, it is strongly suggested that 1-K kerosene be used. 1-K kerosene has been refined to virtually eliminate contaminants, such as sulfur, which can cause a rotten egg odor during the operation of the heater. However, #1 or #2 fuel oil (diesel fuel) may also be used if 1-K kerosene is not available. Be advised that these fuels do not burn as clean as 1-K kerosene, and care should be taken to provide more fresh air ventilation to accommodate any added contaminants that may be added to the heated space. Use of #1 or #2 fuel oil will require increased maintenance of the unit.

Risk of indoor air pollution!

• Use this heater only in well-ventilated areas! Provide at least a three square foot (2,800 sq. cm) opening of outside air for every 100,000 BTU/hr of heater rating.
• People with breathing problems should consult a physician before using the heater.
• Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble flu-like symptoms such as headaches, dizziness, and/or nausea. If you have these symptoms, your heater may not be working properly.
• Get fresh air at once! Has the heater been serviced? Some people are more affected by carbon monoxide than others. These include pregnant women, those with heart or lung problems, anemia, or those under the influence of alcohol, or at high altitudes. – Never use this heater in living or sleeping areas.

Risk of Burns/Fire/Explosion!

• Use 1-K kerosene in this heater. #1 fuel oil is a suitable substitute.
• NEVER use fuels such as gasoline, benzene, paint thinners, or other oil compounds in this heater (RISK OF FIRE OR EXPLOSION).
• NEVER use this heater where flammable vapors may be present.
• NEVER refill the heater’s fuel tank while the heater is operating or still hot. This heater is EXTREMELY HOT while in operation.
• Keep all combustible materials away from this heater.

Minimum Clearances
Outlet 8 feet (250 cm) Sides, Top and Rear 4 feet (125 cm)

• NEVER block the air inlet (rear) or air outlet (front) of the heater.
• NEVER use ductwork in front or at the rear of the heater.
• NEVER move or handle the heater while still hot.
• NEVER transport a heater with fuel in its tank. This heater is equipped with a thermostat and may start at any time.
• ALWAYS locate the heater on a stable and level surface. – ALWAYS keep children and animals away from the heater.
• Bulk fuel storage should be a minimum of 25 ft. from heaters, torches, portable generators, or other sources of ignition.

All fuel storage should be in accordance with federal, state, or local authorities having jurisdiction.

Risk of Electric Shock!

• Use only the electrical power (voltage and frequency) specified on the model plate of the heater. Use only a three-prong, grounded outlet and extension cord.
• ALWAYS install the heater so that it is not directly exposed to water spray, rain, dripping water, or wind.
• ALWAYS unplug the heater when not in use.

CALIFORNIA RESIDENTS: This heater produces carbon monoxide, which is listed by the State of California as a reproductive toxin under Proposition 65.
MASSACHUSETTS RESIDENTS: Massachusetts state law prohibits the use of this heater in any building which is used in whole or in part for human habitation. Use of this heating device in Massachusetts requires local fire dept. permit (M.E.L.C. 148, Section 10A).
CANADIAN RESIDENTS: Use of this heater shall be in accordance with authorities having jurisdiction and CSA Standard B139.

Product Features

Figure 3 – Model 4XA50C Features

Figure 4 – Component Identification

Assembly

TOOLS REQUIRED

Longnose pliers

ASSEMBLING WHEEL & HANDLE

1. Slide axle through wheel support frame. Install wheel bushings and wheel on the axle.
   NOTE: When installing wheels, the tube valve should face out from the support frame (Figure 5).

2. Place flat washers and cotter pins on axle end and bend cotter pins with long nose pliers to secure.

3. Place wheel cap on flat washers and put wheel cap in flat washers end.

4. Loosen 4 screws on the front handle in order to remove the handle front.

5. Move the removed handle front to the handle on the front side as Figure 5, and then tighten 4 screws after matching the handle and handle front.

DO NOT operate the heater without a support frame fully assembled to the tank.

KEROSENE (1-K)

For optimal performance of this heater, it is strongly suggested that 1-K kerosene be used. 1-K kerosene has been refined to virtually eliminate contaminants, such as sulfur, which can cause a rotten egg odor during the operation of the heater. However, #1 or #2 fuel oil (diesel fuel) may also be used if 1-K kerosene is not available. Be advised that these fuels do not burn as clean as 1-K kerosene, and care should be taken to provide more fresh air ventilation to accommodate any added contaminants that may be added to the heated space.

Figure 5 – Wheel and Handle Assembly

NOTE: Kerosene should only be stored in a blue container that is clearly marked “kerosene”. Never store kerosene in a red container. Red containers are associated with gasoline.

• NEVER store kerosene in the living space. Kerosene should be stored in a well-ventilated area outside the living area.
• NEVER use fuel such as gasoline, benzene, alcohol, white gas, camp stove fuel, paint thinners, or other oil compounds in this heater (THESE ARE VOLATILE FUELS THAT CAN CAUSE A FIRE OR EXPLOSION).
• Use 1-K kerosene in this heater. #1 and #2 fuel oils are suitable substitutes.
• NEVER store kerosene in direct sunlight or near a source of heat.
• NEVER use kerosene that has been stored from one season to the next. Kerosene deteriorates over time. OLD KEROSENE WILL NOT BURN PROPERLY IN THIS HEATER.

OVERVIEW OF HEATER DESIGN

Fuel System: This heater is equipped with a fuel pump (Gear) that pulls fuel through the fuel line connected to the fuel tank and then pushes fuel through a filter and a solenoid valve and out the burner head nozzle. This fuel is sprayed into the combustion chamber in a fine mist.

“SureFire Ignition”: The electronic ignitor sends voltage to a specially designed spark plug. The spark plug ignites the fuel and air mixture.
The Air System: The heavy-duty motor turns a fan that forces air into and around the combustion chamber. Here, the air is heated and then forced out the front of the heater.

THE SAFETY SYSTEM
A. Temperature Limit Control: This heater is equipped with a Temperature Limit Control designed to turn off the heater should the internal temperature rise to an unsafe level. If this device activates and turns your heater off, it may require service.
B. Electrical System Protection: This

Internal Shut-Off Temperature +/-10 degrees| Reset Temperature +/-10 degrees
---|---
160°F (71°C)| 120°F (49°C)

The heater’s electrical system is protected by a circuit breaker mounted to the power switch that protects PCB assembly and other electrical components from damage.
C. Flame-Out Sensor: Utilizes a photocell to monitor the flame in the burn chamber during normal operation. It will cause the heater to shut off should the burner flame extinguish.

FUELING YOUR HEATER
NEVER fill the heater fuel tank in the living space: fill the tank outdoors. Do not overfill your heater and be sure the heater is leveled.

Important notice regarding the first ignition of the heater:
The first time you light the heater, it should be done outdoors. This allows the oils, etc. used in manufacturing the heater to burn off outside.

Never refill the fuel tank when the heater is operating or still hot.

Operation

VENTILATION
Risk of indoor air pollution. Use heater only in well-ventilated areas.
Provide a fresh air opening of at least twelve square feet.
NOTE: If more heaters are being used, provide a fresh air opening of at least three square feet for each 100,000 BTU/Hr. rating.

Figure 6 – Overview of Heater Design

TO START HEATER

1. Fill fuel tank with kerosene or No. 1 fuel oil.

2. Attach fuel cap.

3. Plug the power cord into a three-prong grounded extension cord. The extension cord must be at least six feet long.
   Extension Cord Wire Size Requirements:
   • 6 to 100 feet long, use a 14 AWG conductor.
   • 101 to 200 feet long, use a 12 AWG conductor.
   • 201 to 300 feet long, use a 10 AWG conductor.
   • 301 to 400 feet long, use an 8 AWG conductor.
   • 401 to 500 feet long, use a 6 AWG conductor. Figure 7 – Control Parts

4. Turn “THERMOSTAT CONTROL KNOB” to desired setting (setting range: 40°-110°F, 9 steps) and push the power switch to the “ON” position. The power indicator lamp and room temperature display will light and the heater will start.

If the heater does not start, the thermostat setting may be too low, turn “THERMOSTAT CONTROL KNOB” to a higher position to start the heater. If the heater still does not start, turn the power switch to “OFF” and then to the “ON” position (See Figure 7). If the heater still does not start, see Troubleshooting Chart on page 15.
NOTE: Room Temp. the display indicates as following:
– When room temp. is less than 0°F: “Lo”.
– When room temp. is between 0°F and 99°F: Indicates room temperatures.
– When room temp. is more than 99°F: “HI”.
NOTE: The major electrical components of this heater are protected by a circuit breaker mounted to the power switch. If your heater fails to start, check this first and replace it as necessary. You should also check your power source to insure that proper voltage and frequency are being supplied to the heater.

TO STOP HEATER

Never unplug the heater while the heater is running.
The heater must go through a cooling cycle. The cooling cycle cools the combustion chamber. Damage to the heater can occur if the combustion chamber is not cooled. Do not restart the heater until the cooling cycle is complete.

1. Turn “THERMOSTAT CONTROL KNOB” to the lowest temperature setting. This will cause the heater flame to go out. The motor will continue to run during the cooling cycle. This allows the fan to cool the combustion chamber. When the cooling cycle (approx. 1 min.) is finished, the motor will stop. Do not turn the switch to “OFF” or unplug the heater until the cooling cycle is finished.
2. Turn the switch to “OFF” and unplug the power cord.
3. To temporarily stop the heater, set the thermostat at a temperature lower than the air around the heater. The heater will cycle back on if the air temperature around heater matches the thermostat setting.

TO RESTART HEATER
DO NOT restart the heater until the cooling cycle is finished.
The cooling cycle cools the combustion chamber.

1. Wait until the cooling cycle is finished after stopping the heater.
2. Repeat steps under TO START HEATER.

LONG-TERM STORAGE OF HEATER

1. Remove the drain plug from the rear bottom side of the fuel tank by pulling plug grip downward and drain. See Figure 8.

2. Using a small amount of kerosene, swirl and rinse the inside of the tank.
   IMPORTANT: NEVER mix water with kerosene, as it will cause rust inside the tank. Pour the kerosene out, making sure that you remove it all.
   IMPORTANT: Do not store kerosene over summer for use during the next heating season. Using old fuel may damage the heater.

3. Reinstall the drain plug as follows:
   – Insert plug’s seal head fully into drain hole so that flange is flush to tank’s bottom. See Figure 9.
   – Insert the seal cap fully into the head hole so that the cap flange is flush with to head flange. See Figure 9.

IMPORTANT: Reinstall the plug fully into the hole in the tank; otherwise it will not seal completely.
– Make sure the storage place is free of dust and corrosive fumes.
– Store the heater in the original box with the original packing material and keep USER’S MANUAL with the heater.

Maintenance

Never service the heater while it is plugged in or while hot!
NOTE: USE ORIGINAL EQUIPMENT REPLACEMENT PARTS. Use of third party or other alternate components will void the warranty and may cause unsafe operating conditions.

UPPER SHELL REMOVAL
– Remove screws of cone-outside and move up cone-outside after that remove screws along each side and top of the heater using a medium Phillips screwdriver.

FAN BLADES AND AIR DEFLECTOR
CLEAN EVERY SEASON OR AS NEEDED.

• Remove the upper shell.
• Clean fan blades and air deflectors using a soft cloth moistened with kerosene or solvent.
• Dry fan blades and air deflectors thoroughly. – Reinstall the upper shell.

SPARK PLUG
CLEAN AND RECAP EVERY 600 HOURS OF OPERATION OR REPLACE AS NEEDED.

• Remove the upper shell.
• Remove spark plug wire from spark plug (See Figure 12).
• Remove spark plug from burner head using medium Phillips screwdriver.
• Clean and recap spark plug electrodes to a .140” (3.5 mm) gap.
• Reinstall spark plug into burner head.
• Attach spark plug wire to spark plug.
• Reinstall the upper shell.

NOZZLE REMOVE DIRT IN NOZZLE AS NEEDED.

• Remove the upper shell. – Remove fuel line from solenoid valve using 1/4” wrench.
• Remove the spark plug wire from the spark plug.
• Remove spark plug from burner head using medium Phillips screwdriver.
• Remove five screws using a medium Phillips screwdriver and remove the burner head from the combustion chamber.
• Carefully remove the nozzle from the burner head using a 5/8” socket wrench.
• Blow compressed air through the face of the nozzle (this will remove any dirt).
• Inspect the nozzle for damage. If damaged or clogged, replace the nozzle.
• Make sure the plug is in place on the burner head.
• Reinstall nozzle into burner head and tighten firmly (175-200 inch-pounds).
• Reinstall spark plug into burner head.
• Attach burner head to the combustion chamber.
• Attach spark plug wire to spark plug.
• Attach the fuel line to the solenoid valve.
• Tighten firmly.
• Replace the upper shell.

PHOTOCELL
CLEAN PHOTOCELL ANNUALLY OR AS NEEDED.

• Remove upper shell (see page 7).
• Remove photocell from photocell bracket and disconnect photocell from the connector.
• Clean photocell lens with a cotton swab.
• Inspect photocell for damage. If damaged, replace photocell.

FUEL LINES
TIGHTEN FUEL LINES ANNUALLY OR AS NEEDED.

• Remove upper shell (see page 7).
• Use a 1/4” wrench and tighten fuel line (A) at the solenoid valve and at the pump (See Figure 15).
• Remove fan guard (See Figure 16). – Use a 3/8” wrench and tighten fuel line (B) at the pump and pump fuel filter assembly.
• Reinstall fan guard.

FUEL FILTER
CLEAN TWICE PER HEATING SEASON OR AS NEEDED.

Tank Fuel Filter

• Remove fan guard (See Figure 16).
• Disconnect fuel line (B) from the pump and pump fuel filter assembly with a 3/8” wrench (See Figure 17).
• Carefully pry the fuel filter loose from the fuel tank with the flat end of a screwdriver.
• Wash fuel lines and fuel filter with clean kerosene.
• Replace the fuel filter with the fuel tank.
• Connect fuel lines (B) to pump and pump fuel filter assembly.
• Reinstall fan guard.

Pump Fuel Filter

• Remove fan guard (See Figure 16).
• Unscrew filter bottom clockwise from filter top with adjustable pliers.
• Remove the fuel filter, gasket, and magnet from the filter bottom (See Figure 18).
• Wash filter bottom with clean kerosene.
•  Wipe inside of filter bottom dry with a clean cloth.
• Wash Fuel filter in clean kerosene.
• Remove dirt attached to the magnet.
• Put clean magnet, fuel filter, and gasket back in filter bottom.
• Tighten firmly.

PUMP PRESSURE ADJUSTMENT

• Remove the pressure gauge plug from the pump with a 1/8” Allen wrench. – Install accessory pressure gauge to pressure gauge port (See Figure 19).
• Start heater (See Operation, Page 5). Allow the motor to reach full speed.
• Adjust pressure (Using small flat blade screwdriver). Turn the pressure adjustment screw clockwise to increase pressure. Turn the screw counterclockwise to decrease pressure.
• Set pump pressure at 110 PSI.
• Stop heater (See Operation, Page 6).
• Remove the pressure gauge. Replace the pressure gauge plug-in pressure gauge port.

NOTE: Use only original equipment replacement parts. Use of alternate or third-party components will void the warranty and may cause an unsafe operating condition.

Wiring Diagram

4XA50C

For Repair Parts, call

1-800-323-0620 24 hours a day – 365 days a year

Please provide the following information:

• Model number
• Serial number (if any)
• Part description and number as shown in the parts list

Figure 21 – Repair Parts Illustration for Portable Oil-Fired Heater

Repair Parts List for Portable Oil-Fired Heater

Ref. No.| Description| Part No.| Qty.| Ref. No.| Description| Part No.| Qty.
---|---|---|---|---|---|---|---
1| Fuel Tank Assembly| 2151-0021-00| 1| 20| Burner Head Assembly| 2152-0084-00| 1
2| Drain Plug| 3331-0051-00| 1| 21| Photocell Bracket| 3131-0159-00| 1
3| Fuel Gauge| 2156-0027-00| 1| 22| Photocell Assembly| SP-KFA1025| 1
4| Fuel Filter| 3221-0009-00| 1| 23| Screw (BH1)| 4311-0068-00| 1
5| Fuel Cap| 2151-0022-00| 1| 24| Temperature Limit Control| 38C0-0075-00| 1
6| Filler Neck Assembly| 2155-0011-00| 1| 25| Screw – PH2| 4312-0021-00| 2
7| Space Support| 3713-0004-00| 5| 26| Ignitor| 39E0-0029-00| 1
8| Card Support| 3713-0016-00| 3| 27| Ignitor Cover| 3131-0309-00| 1
9| Cord Bushing| 3712-0013-00| 1| 28| Motor and Pump Assembly| 2154-0046-00| 1
10| Power Cord| 3980-0105-00| 1| 29| P.C.B. Assembly| 215A-0024-00| 1
11| Bushing Grommet| 3712-0044-00| 4| 30| Cover Display| 3121-0376-00| 1
12| Bushing Grommet| 3712-0004-00| 2| 31| Power Switch| 39A0-0082-00| 1
13| Fuel Line| 3740-0058-00| 1| 32| Window Display| 3121-0113-00| 1
14| Burner Harness| 39D0-0311-00| 1| 33| Guide Shell| 3121-0378-00| 1
15| Flange Screw| 4319-0015-02| 39| 34| Guard Fan| 3561-0064-00| 1
16| Cone-Outside| 2153-0016-01| 1| 35| Fan Assembly| 2154-0047-00| 1
17| Clip-Nut| 3131-0182-00| 10| 36| Bolt Standard Socket| 4323-0005-00| 1
18| Combustion Chamber| 2152-0082-00| 1| 37| Upper Shell| 3111-0253-00| 1
19| Air Deflector| 3131-0361-00| 5| | | |

Figure 22 – Repair Parts Illustration for Portable Oil-Fired Heaters

Repair Parts List for Portable Oil-Fired Heaters

Reference Number| Description| Part Number for Model 4XA50C| Quantity
---|---|---|---
1| Wheel Support Frame| 3551-0041-00| 1
2| Handle Frame| 3551-0043-00| 2
3| Handle Support| 3551-0044-00| 2
4| Front Handle| 3551-0042-00| 1
5| Wheel Axle| 3541-0066-00| 1
6| Wheel| 3720-0011-00| 2
7| Wheel Cap| 3231-0100-00| 2
8| Hardware Kit| HW-KFA1008| 1
1-Aug| Bolt FH (L )| –| 6
2-Aug| Lock Nut| –| 20
3-Aug| Bushing| –| 2
4-Aug| Flat Washer| –| 2
5-Aug| Cotter Pin| –| 2

Figure 23 – Repair Parts Illustration for Portable Oil-Fired Heaters

Reference Number| Description| Part Number for Model 4XA50C| Quantity
---|---|---|---
1| Burner Head| 3531-0012-00| 1
2| Plug| 3541-0060-00| 1
3| Nozzle| SP-KFA1028| 1
4| Spark lug| SP-KFA1009| 1
5| Fiber Washer| 4349-0017-00| 1
6| Spring Washer| 4322-0009-00| 1
7| Flange Bolt| 4329-0013-00| 1
8| Nipple-Straight| 3541-0057-00| 1
9| Solenoid  Valve| 39A0-0084-00| 1
10| Elbow-Male| 3740-0037-00| 1

Figure 24 – Repair Parts Illustration for Portable Oil-Fired Heater

Reference Number| Description| Part Number for Model 4XA50C| Quantity
---|---|---|---
1| Motor| 3970-0111-00| 1
2| Support-Motor| 3121-0375-00| 1
3| Bolt (HH)| 4321-0182-00| 4
4| Lock Nut| 4331-0022-00| 1
5| Coupling-Pump| 3531-0013-00| 1
6| Gear Pump| 3740-0060-00| 1
7| Bolt-Headless Socket| 4323-0004-00| 3
8| Filter Oil Assembly| 3740-0034-00| 1
9| Elbow-Male| 3740-0044-00| 1
10| Fitting-Straight| 3740-0039-00| 1
11| Holder-Condensor| 3131-0295-00| 1
12| Bushing Grommet| 3712-0004-00| 1
13| Screw (TH2S)| 4312-0046-00| 1
14| Flange Screw| 4319-0015-02| 2
15| Capacitor| 3820-0146-00| 1

Troubleshooting Chart

Symptom

| Possible Cause(s)|

Corrective Action

---|---|---
Heater ignites but MAIN PCB assembly shuts heater off after a short period of time. (Indicator lamp is flickering and room temp. display indicates “E1”)| 1. Wrong pump pressure
2. Dirty fuel filter
3. Dirt in nozzle
4. Dirty photocell lens
5. Photocell assembly not properly installed. (Not seeing the flame)
6. Bad electrical connection between photocell and MAIN PCB assembly
7. Defective photocell| 1. See Pump Pressure Adjustment, page 9
2. Clean Fuel Filter, see page 8
3. Clean Nozzle, see page 7
4. Clean photocell lens, page 8
5. Make sure photocell boot is properly seated in bracket, see page 8
6. Check electrical connections. See Wiring Diagram, page 9
7. Replace photocell, page 8
Heater will not ignite but motor runs for a short period of time. (Indicator lamp is flickering and room temp. display indicates “E1”)| 1. No fuel in tank
2. Wrong pump pressure
3. Carbon deposits on spark plug and/or improper gap
4. Dirty fuel filter
5. Dirt in nozzle
6. Water in fuel tank
7. Bad electrical connection between ignitor and MAIN PCB assembly
8. Ignitor wire is not attached to spark plug
9. Defective ignitor
10. Defective solenoid valve (not opening)| 1. Fill tank with kerosene
2. See Pump Pressure Adjustment, page 9
3. See Spark Plug, page 7
4. See Fuel Filter, page 8
5. See Nozzle, page 7
6. Flush fuel tank with clean kerosene, page 6
7. Check electrical connections. See Wiring Diagram, page 9
8. Attach ignitor wire to spark plug
9. Replace ignitor
10. Check electrical connections and voltage to solenoid valve. If defective, replace solenoid valve
Fan does not turn when heater is plugged in and power switch is in the “ON” position. (Indicator lamp is on or flickering)| 1. Thermostat setting is too low
2. Bad electrical connection between motor and MAIN PCB assembly| 1. Turn thermostat control knob to a higher setting
2. Check electrical connections. See Wiring Diagram, page 9
(Indicator lamp is flickering and room temp. display indicates “E2”)| 1. Room Temp. sensor disconnected
2. Sensor failure| 1. Reconnect sensor. See Wiring Diagram, page 9
2. Replace sensor. See Wiring Diagram, page 9
(Indicator lamp is flickering and room temp. display
indicates “E3”)| Thermostat switch failure| Replace Main P.C.B.
Heater will not turn-on (Indicator lamp is off)| 1. Temperature limit safety device is overheated
2. No electrical power
3. Bad electrical connection between temperature limit safety device and PCB board| 1. Turn power switch to “OFF” and allow to cool (about 10 min). Then turn power switch to “ON” position
2. Check to insure heater cord and extension cord are plugged in. Check power supply
3. Check electrical connections. See Wiring Diagram, page 9

For Technical Support or Troubleshooting, Call: 1-800-323-0620

LIMITED WARRANTY

DAYTON ONE-YEAR LIMITED WARRANTY. DAYTON ® PORTABLE OIL-FIRED HEATER, MODELS COVERED IN THIS MANUAL, ARE WARRANTED BY DAYTON ELECTRIC MFG. CO. (DAYTON) TO THE ORIGINAL USER AGAINST DEFECTS IN WORKMANSHIP OR MATERIALS UNDER NORMAL USE FOR ONE YEAR AFTER DATE OF PURCHASE. ANY PART WHICH IS DETERMINED TO BE DEFECTIVE IN MATERIAL OR WORKMANSHIP AND RETURNED TO AN AUTHORIZED SERVICE LOCATION, AS DAYTON DESIGNATES, SHIPPING COSTS PREPAID, WILL BE, AS THE EXCLUSIVE REMEDY, REPAIRED OR REPLACED AT DAYTON’S OPTION. FOR LIMITED WARRANTY CLAIM PROCEDURES, SEE “PROMPT DISPOSITION” BELOW. THIS LIMITED WARRANTY GIVES PURCHASERS SPECIFIC LEGAL RIGHTS WHICH VARY FROM JURISDICTION TO JURISDICTION.
LIMITATION OF LIABILITY. TO THE EXTENT ALLOWABLE UNDER APPLICABLE LAW, DAYTON’S LIABILITY FOR CONSEQUENTIAL AND INCIDENTAL DAMAGES IS EXPRESSLY DISCLAIMED. DAYTON’S LIABILITY IN ALL EVENTS IS LIMITED TO AND SHALL NOT EXCEED THE PURCHASE PRICE PAID.
WARRANTY DISCLAIMER. A DILIGENT EFFORT HAS BEEN MADE TO PROVIDE PRODUCT INFORMATION AND ILLUSTRATE THE PRODUCTS IN THIS LITERATURE ACCURATELY; HOWEVER, SUCH INFORMATION AND ILLUSTRATIONS ARE FOR THE SOLE PURPOSE OF IDENTIFICATION, AND DO NOT EXPRESS OR IMPLY A WARRANTY THAT THE PRODUCTS ARE MERCHANTABLE, OR FIT FOR A PARTICULAR PURPOSE, OR THAT THE PRODUCTS WILL NECESSARILY CONFORM TO THE ILLUSTRATIONS OR DESCRIPTIONS. EXCEPT AS PROVIDED BELOW, NO WARRANTY OR AFFIRMATION OF FACT, EXPRESSED OR IMPLIED, OTHER THAN AS STATED IN THE “LIMITED WARRANTY” ABOVE IS MADE OR AUTHORIZED BY DAYTON.
Technical Advice and Recommendations, Disclaimer. Notwithstanding any past practice or dealings or trade custom, sales shall not include the furnishing of technical advice or assistance or system design. Dayton assumes no obligations or liability on account of any unauthorized recommendations, opinions or advice as to the choice, installation or use of products.
Product Suitability. Many jurisdictions have codes and regulations governing sales, construction, installation, and/or use of products for certain purposes, which may vary from those in neighboring areas. While attempts are made to assure that Dayton products comply with such codes, Dayton cannot guarantee compliance, and cannot be responsible for how the product is installed or used. Before purchase and use of a product, review the product applications, and all applicable national and local codes and regulations, and be sure that the product, installation, and use will comply with them.
Certain aspects of disclaimers are not applicable to consumer products; e.g., (a) some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you; (b) also, some jurisdictions do not allow a limitation on how long an implied warranty lasts, consequently the above limitation may not apply to you; and (c) by law, during the period of this Limited Warranty, any implied warranties of implied merchantability or fitness for a particular purpose applicable to consumer products purchased by consumers, may not be excluded or otherwise disclaimed.
Prompt Disposition. A good faith effort will be made for prompt correction or other adjustment with respect to any product which proves to be defective within limited warranty. For any product believed to be defective within limited warranty, first write or call dealer from whom the product was purchased. Dealer will give additional directions. If unable to resolve satisfactorily, write to Dayton at address below, giving dealer’s name, address, date, and number of dealer’s invoice, and describing the nature of the defect. Title and risk of loss pass to buyer on delivery to common carrier. If product was damaged in transit to you, file claim with carrier.

Manufactured for Dayton Electric Mfg. Co., 5959 W. Howard St., Niles, Illinois 60714-4014 U.S.A.

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