Desa 100 Electric Heater Owner`s manual

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Desa 100 Electric Heater Owner`s manual | Manualzz

PORTABLE

FORCED

AIR HEATERS

OWNER’S MANUAL

100 SIDE FRONT HANDLES PFA/PV 003

150 SIDE FRONT HANDLE PFA/PV 007

Heater Sizes:

35,000 50,000 55,000 70,000 100,000 110,000 150,000 BTU/Hr

IMPORTANT

Read and understand this manual before assembling, starting, or servicing heater. Improper use of heater can cause serious injury. Keep this manual for future reference.

ARL LOGO

®

G 004

2

CONTENTS

SECTION PAGE

Safety Information ......................................................................... 2

Product Identification .................................................................... 4

Unpacking ..................................................................................... 5

Assembly ....................................................................................... 5

Theory of Operation ...................................................................... 6

Fuels .............................................................................................. 6

Ventilation ..................................................................................... 7

Operation ....................................................................................... 7

Storage ........................................................................................... 8

Preventative Maintenance Schedule ............................................. 8

Troubleshooting ............................................................................. 9

Service Procedures ........................................................................ 10

Upper Shell Removal .............................................................. 10

Fan ........................................................................................... 10

Air Output, Air Intake, and Lint Filters .................................. 10

Pump Pressure Adjustment ..................................................... 11

Fuel Filter ................................................................................ 11

Spark Plug (35/50/55,000 BTU/Hr Models) .......................... 11

Spark Plug (70/100/110/150,000 BTU/Hr Models) ............... 12

Nozzle (35/50/55,000 BTU/Hr Models) ................................. 12

Nozzle (70/100/110/150,000 BTU/Hr Models) ..................... 13

Pump Rotor ............................................................................. 13

Specifications ................................................................................. 14

Wiring Diagrams ........................................................................... 14

Maintenance Kits ........................................................................... 15

Accessories .................................................................................... 15

Warranty and Repair Service ........................................................ Back Cover

SAFETY

INFORMATION

WARNINGS

IMPORTANT: Read this Owner’s Manual carefully and completely before trying to assemble, operate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.

DANGER

Carbon monoxide poisoning may lead to death!

Carbon Monoxide Poisoning:

Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness, and/or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others.

These include pregnant women, persons with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.

Make certain you read and understand all Warnings. Keep this manual for reference. It is your guide to safe and proper operation of this heater.

099176

SAFETY

INFORMATION

Continued

WARNINGS

(Continued)

• Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels.

• Fueling a) Personnel involved with fueling shall be qualified and thoroughly familiar with the manufacturer's instructions and applicable federal, state, and local regulations regarding the safe fueling of heating units.

b) Only the type of fuel specified on the heater's data plate shall be used.

c) All flame, including the pilot light, if any, shall be extinguished and the heater allowed to cool, prior to fueling.

d) During fueling, all fuel lines and fuel-line connections shall be inspected for leaks.

Any leaks shall be repaired prior to returning the heater to service.

e) At no time shall more than one day's supply of heater fuel be stored inside a building in the vicinity of the heater. Bulk fuel storage shall be outside the structure.

f) All fuel storage shall be located a minimum of 25 feet from heaters, torches, welding equipment, and similar sources of ignition (exception: the fuel reservoir integral with the heater unit).

g) Whenever possible, fuel storage shall be confined to areas where floor penetrations do not permit fuel to drip onto or be ignited by a fire at lower elevation.

h) Fuel storage shall be in accordance with the federal, state, or local authority having jurisdiction.

• Never use heater where gasoline, paint thinner, or other highly flammable vapors are present.

• Follow all local ordinances and codes when using heater.

• Heaters used in the vicinity of tarpaulins, canvas, or similar enclosure materials shall be located a safe distance from such materials. The recommended minimum safe distance is 10 feet. It is further recommended that these enclosure materials be of a fire retardant nature. These enclosure materials shall be securely fastened to prevent them from igniting or from upsetting the heater due to wind action.

• Use only in well-vented areas. Before using heater, provide at least a three-squarefoot opening of fresh, outside air for each 100,000 BTU/Hr of rating. This heater produces carbon monoxide, which is listed by the State of California as a reproductive toxin under Proposition 65.

• Use only in places free of flammable vapors or high dust content.

• Use only the electrical voltage and frequency specified on model plate.

• Use only a three-prong, grounded extension cord.

• Minimum heater clearances from combustibles:

Outlet: 8 Ft.

Sides: 4 Ft.

Top: 4 Ft.

Rear: 4 Ft.

• Locate heater on a stable and level surface if heater is hot or running or a fire may occur.

• When moving or storing heater, keep heater in a level position or fuel spillage may occur.

• Keep children and animals away from heater.

• Unplug heater when not in use.

• When used with thermostat, heater may start anytime.

• Never use heater in living or sleeping areas.

• Never block air inlet (rear) or air outlet (front) of heater.

• Never move, handle, refuel, or service a hot, operating, or plugged-in heater.

• Never attach duct work to front or rear of heater.

3

099176

4

PRODUCT

IDENTIFICATION

Hot Air Outlet

Handle

Upper Shell

Lower Shell

Fuel Tank

Side Cover

Flame-Out Control

Reset Button

Power Cord

35/50/70,000 BTU/HR DOMESTIC

PFA/PV 042

Figure 1 - 35/50/55/70,000 BTU/Hr Models

Fan Guard

Air Filter

End Cover

Fuel Cap

Hot Air

Outlet

Upper Shell

Lower

Shell

Fuel Cap

Fan Guard

Fuel Tank

Side Cover

Flame-Out

100,000 BTU/HR DOMESTIC

Button

Figure 2 - 100/110/150,000 BTU/Hr Models

Power Cord

099176

UNPACKING

ASSEMBLY

(For 100,000, 110,000, and

150,000 BTU/Hr Models Only)

1. Remove all packing items applied to heater for shipment.

2. Remove all items from carton.

3. Check items for shipping damage. If heater is damaged, promptly inform dealer where you bought heater.

These models are furnished with wheels and a front handle. Some models are furnished with a rear handle also. Wheels, handle(s), and the mounting hardware are found in the shipping carton.

Tools Needed

• Medium Phillips Screwdriver

• 3/8" Open or Adjustable Wrench

• Hammer

1. Slide axle through wheel support frame. Install wheels on axle.

IMPORTANT:

When installing wheels, point extended hub of wheels toward wheel support frame (see Figure 3).

2. Place cap nuts on axle ends. Gently tap with hammer to secure.

3. Place heater on wheel support frame. Make sure air inlet end (rear) of heater is over wheels. Line up holes on fuel tank flange with holes on wheel support frame.

4. Place front handle (and rear handle if provided) on top of fuel tank flange.

Insert screws through handle(s), fuel tank flange, and wheel support frame.

Attach nut finger tight after each screw is inserted.

5. After all screws are inserted, tighten nuts firmly.

Front

Handle

Screw

Hot Air

Outlet

Rear

Handle

Fuel

Tank

Flange

Wheel

Support

Frame

Wheel

Air

Inlet

Nut

Cap Nut

Axle

Extended

Hub

ASSEMBLY

PFA/PV 018

Figure 3 - Wheel and Handle Assembly, 100/110/150,000 BTU/Hr Models Only

5

099176

6

THEORY OF

OPERATION

The Fuel System: The air pump forces air through the air line. The air is then pushed through the burner head nozzle. This air causes fuel to lift from the tank.

A fine mist of fuel is sprayed into the combustion chamber.

The Air System:

The motor turns the fan. The fan pushes air into and around the combustion chamber. This air is heated and provides a stream of clean, hot air.

The Ignition System:

The electronic ignitor sends voltage to the spark plug.

The spark plug ignites the fuel and air mixture.

The Flame-Out Control System: This system causes the heater to shut down if the flame goes out.

Combustion

Chamber

Spark

Plug

Burner

Head

Motor

Fan

Air Pump

Air

Intake

Filter

Clean

Heated

Air Out

Cool

Air

In

Air

Output

Filter

Fuel

Tank

Nozzle

Fuel

Filter

Air Line

To Burner

Air For Fuel

System

Air For Combustion

And Heating

THEORY CUTAWAY

PFA/OV 003

Figure 4 - Cross Section Operational View

Electronic

Ignitor

Fuel

FUELS

!

WARNING

Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels.

Do not use heavy fuels such as No. 2 fuel oil or No. 2 Diesel. Using heavy fuels will result in:

• clogged fuel filter and nozzle

• carbon build up on spark plug

• the need of non-toxic anti-icer in fuel during very cold weather

IMPORTANT:

Use a KEROSENE ONLY storage container. Be sure storage container is clean. Foreign matter such as rust, dirt, or water will cause the flameout control to shut down heater. Foreign matter may also require you to clean fuel system often.

099176

099176

VENTILATION

!

WARNING

Follow the minimum fresh, outside air ventilation requirements. If proper fresh, outside air ventilation is not provided, carbon monoxide poisoning can occur. Provide proper fresh, outside air ventilation before running heater.

Provide at least a three-square-foot opening of fresh, outside air for each 100,000

BTU/Hr rating. Provide extra fresh air if more heaters are being used.

Example:

A 150,000 BTU/Hr heater requires one of the following:

• a two-car garage door raised six inches

• a single-car garage door raised nine inches

• two, thirty-inch windows raised twelve inches

OPERATION

!

WARNING

Review and understand the warnings in the Safety Information Section, pages 2 and 3. They are needed to safely operate this heater. Follow all local codes when using this heater.

To Start Heater

1. Follow all ventilation and safety information.

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

3. Attach fuel cap.

4. Plug power cord of heater into three-prong, grounded extension cord. Extension cord must be at least six feet long.

Extension Cord Wire Size Requirements

6 to 10 feet long, use 18 AWG rated cord

11 to 100 feet long, use 16 AWG rated cord

101 to 200 feet long, use 14 AWG rated cord

5. Plug extension cord into standard 120 volt/60 hertz, three-hole, grounded outlet. Heater will start when extension cord is plugged into outlet. If not, push in flame-out control reset button (see Figures 5 and 6).

Flame-

Out

Control

Reset

Button

Flame-

Out

Control

Reset

Button

Figure 5 - Flame-Out Control Reset

Button, 35/50/55/70,000 BTU/Hr

Models

Figure 6 - Flame-Out Control Reset

Button, 100/110/150,000 BTU/Hr

Models

Continued

7

OPERATION

Continued

To Stop Heater

1. Unplug extension cord from outlet.

To Restart Heater

1. Wait two minutes after stopping heater.

2. Repeat steps under To Start Heater, page 7.

STORAGE

1. Drain fuel tank.

Note: Some models have drain plug on underside of fuel tank. If so, remove drain plug to drain all fuel. If heater does not have drain plug, drain fuel through fuel cap opening. Be sure all fuel is removed.

2. Replace drain plug if used.

3. Add one gallon of clean kerosene to fuel tank.

4. Attach fuel cap.

5. Move heater forwards and backwards to stir fuel.

6. Remove fuel cap or drain plug and drain fuel tank. Be sure all fuel is removed.

7. Replace fuel cap or drain plug. Properly dispose of old and dirty fuel.

8. Store heater in dry place. Make sure storage place is free of dust and corrosive fumes.

IMPORTANT:

Do not store kerosene over summer months for use during next heating season. Using old fuel could damage heater.

8

PREVENTATIVE

MAINTENANCE

SCHEDULE

!

WARNING

Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.

Item

Fuel tank

How Often

Flush every 150-200 hours

of operation or as needed.

How To

See Storage above.

Air output and Replace every 500 hours of lint filters operation or once a year.

Air intake filter

Wash and dry with soap and

eration or replace as needed.

See Air Output, Air Intake,

and Lint Filters, page 10.

See Air Output, Air Intake,

water every 500 hours of op and Lint Filters, page 10.

Fuel filter Clean twice a heating season

or replace as needed.

See Fuel Filter, page 11.

Spark plug Clean and regap every 600

hours operation or replace

as needed.

See Spark Plug, pages 11

and 12.

Fan blades

Motor

Clean each season or as needed. See Fan, page 10.

Not required/permanently lubricated

099176

099176

TROUBLE-

SHOOTING

!

WARNING

Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.

OBSERVED FAULT POSSIBLE CAUSE

Heater ignites, but flame-out control shuts off heater after a short period of time.

Wrong pump pressure

Dirty air output, air intake

and lint filters

Dirty fuel filter

Dirt in nozzle

Dirty photocell lens

Bad flame-out control

REMEDY

See Pump Pressure

Adjustment, page 11.

See Air Output, Air Intake

and Lint Filters, page 10.

See Fuel Filter, page 11.

See Nozzle, page 12.

Clean photocell lens.

Replace flame-out control.

Heater will not ignite, but motor runs for a short period of time.

Wrong pump pressure

Carbon deposits on spark

plug and/or improper gap

See Pump Pressure

Adjustment, page 11.

See Spark Plug, pages 11

and 12.

Dirty fuel filter

Dirt in nozzle

Water in fuel tank

See Fuel Filter, page 11.

See Nozzle, page 12.

Drain and flush fuel

tank with clean kerosene.

See Storage, page 8.

!

WARNING: High voltage!

Electronic ignitor not grounded

Bad electronic ignitor

Make sure electronic ig-

nitor mounting is tight.

Replace electronic ignitor.

Motor does not start when heater is plugged in, fan rotates slowly or does not turn.

Flame-out control not reset

Solid state relay not allowed to reset

Binding pump rotor

Press flame-out control reset button.

Wait two minutes

before trying to restart

heater.

If fan is hard to turn, see

Pump Rotor, page 13.

9

SERVICE

PROCEDURES

!

WARNING

Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.

Upper

Shell

Upper

Shell

Fan

Guard

Fan

Guard

Upper Shell Removal

1. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together.

2. Lift upper shell off.

3. Remove fan guard.

Fan

IMPORTANT:

Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could damage the fan pitch.

1. Remove upper shell (see above).

2. Use 1/8" allen wrench to loosen set-screw which holds fan to motor shaft.

3. Slip fan off motor shaft.

4. Clean fan using soft cloth moistened with kerosene or solvent.

5. Dry fan thoroughly.

6. (35/50/55/70/100,000 BTU/Hr

Models) Replace fan on motor shaft. Place fan hub flush with end of motor shaft (see Figure 9).

(150,000 BTU/Hr Model) Replace fan on motor shaft. Make sure set screw is touching back of flat surface on motor shaft (see Figure

10).

7. Place setscrew on flat of shaft.

Tighten setscrew firmly (40-50 inch-pounds).

8. Replace fan guard and upper shell.

Air Output, Air Intake, and

Lint Filters

1. Remove upper shell (see above).

2. Remove filter end cover screws using 5/16" nut-driver.

3. Remove filter end cover.

4. Replace air output and lint filters.

5. Wash or replace air intake filter

(see Preventative Maintenance

Schedule, page 8).

6. Replace filter end cover.

7. Replace fan guard and upper shell.

IMPORTANT:

Do not oil filters.

10

Figure 7 - Upper Shell Removal,

35/50/55/70,000 BTU/Hr Models

Fan

Motor

Motor

Shaft

Setscrew

Flush

Figure 9 - Fan Cross Section

35/50/55/70/100/110,000 BTU/Hr Models

Air Intake

Filter

Filter End

Cover

Fan

Guard

Lint Filter

Air Output

Filter

Figure 11 - Air Output, Air Intake, and Lint Filters, 35/50/55/70,000

BTU/Hr Models

Figure 8 - Upper Shell Removal,

100/110/150,000 BTU/Hr Models

Fan

Back of Flat

Surface on

Motor Shaft

Setscrew

Motor

Motor

Shaft

Figure 10 - Fan Cross Section

150,000 BTU/Hr Model

Air Intake

Filter

Filter End

Cover

Fan Guard

Lint Filter

Air Output

Filter

Figure 12 - Air Output, Air Intake, and Lint Filters, 100/110/150,000

BTU/Hr Models

099176

Pump Pressure

Adjustment

1. Remove pressure gauge plug from filter end cover.

2. Install accessory pressure gauge

(part number HA1180).

3. Start heater (see Operation, page

7). Allow motor to reach full speed.

4. Adjust pressure. Turn relief valve to right to increase pressure. Turn relief valve to left to decrease pressure. See specifications at right for correct pressure for each model.

5. Remove pressure gauge. Replace pressure gauge plug in filter end cover.

(35/50/55/70,000 BTU/Hr Models Shown)

Pressure

Gauge

Plug

Relief

Valve

Figure 13 - Pressure Gauge Plug Removal

Model

35,000 BTU/Hr

50,000 BTU/Hr

55,000 BTU/Hr

70,000 BTU/Hr

100,000 BTU/Hr

110,000 BTU/Hr

150,000 BTU/Hr

Pump

Pressure

3.0 PSI

3.6 PSI

3.4 PSI

4.0 PSI

4.0 PSI

4.5 PSI

5.0 PSI

Pressure

Gauge

Figure 14 - Adjusting Pump Pressure

Fuel Filter

Fuel Filter, Bushing, and Lower Fuel Line

Upper

Fuel

Line

Fuel Filter

1. Remove side cover screws using

5/16" nut-driver.

2. Remove side cover.

3. Pull upper fuel line off fuel filter neck.

4. Carefully pry bushing, fuel filter, and lower fuel line (100/110/

150,000 BTU/Hr models only) out of fuel tank.

5. Wash fuel filter with clean fuel and replace in tank.

6. Attach upper fuel line to fuel filter neck.

7. Replace side cover.

Side Cover

Upper Fuel Line

Side Cover

Figure 15 - Fuel Filter Removal,

35/50/55/70,000 BTU/Hr Models

100 FUEL FILTER REMOVAL PFA/P 041

Figure 16 - Fuel Filter Removal,

100/110/150,000 BTU/Hr Models

Spark Plug

(35/50/55,000 BTU/Hr Models)

1. Remove upper shell (see page 10).

2. Remove fan (see page 10).

3. Remove fuel and air line hoses from nozzle assembly.

4. Remove spark plug wire from spark plug.

5. Remove two (2) screws using 5/

16" nut-driver and remove burner strap.

6. Place hex-body of spark plug into vise and tighten.

7. Remove spark plug mounting nut using 11/16" open-end wrench.

8. Remove burner strap from spark plug.

9. Clean and regap spark plug electrodes to .055" gap.

10.Replace burner strap onto spark plug. Rotate burner strap to position spark plug electrodes (see

Figure 19, page 12).

Continued

099176

Combustion

Chamber

Spark Plug

Mounting Nut

Burner

Strap

Spark

Plug

Spark Plug

Wire

Nozzle Assembly

Air Line

Hose

Fuel Line Hose

Figure 17 - Spark Plug Removal, 35/50/55,000 BTU/Hr Models

Bend Here to Adjust

Gap

.055" Gap

Figure 18 - Spark Plug Gap, 35/50/55,000 BTU/Hr Models

11

11. Tighten spark plug with spark plug mounting nut.

12. Release hex-body of spark plug from vise.

13. Replace burner strap onto combustion chamber.

14. Attach spark plug wire to spark plug.

15. Attach fuel and air line hoses to nozzle assembly.

16. Replace fan (see page 10).

17. Replace fan guard and upper shell.

Spark Plug

(70/100/110/150,000 BTU/Hr Models)

1. Remove upper shell (see page 10).

2. Remove fan (see page 10).

3. Remove spark plug wire from spark plug.

4. Remove spark plug from burner head using 13/16" open-end wrench.

5. Clean and regap spark plug electrodes as follows:

70/100,000 BTU/Hr

Models = .055" gap

110/150,000 BTU/Hr

Model = .075" gap

6. Install spark plug in burner head.

7. Attach spark plug wire to spark plug.

8. Replace fan (see page 10).

9. Replace fan guard and upper shell.

Figure 19 - Spark Plug Rotation, 35/50/55,000 BTU/Hr Models Only

Burner

Head

45

°

Burner

Strap

Spark

Plug

Spark Plug

Wire

Figure 20 - Spark Plug Removal, 70/100/110/150,000 BTU/Hr Models

Bend Here to Adjust

Gap

Gap

Figure 21 - Spark Plug Gap, 70/100/110/150,000 BTU/Hr Models

Nozzle

(35/50/55,000 BTU/Hr Models)

1. Remove upper shell (see page 10).

2. Remove fan (see page 10).

3. Remove fuel and air line hoses from nozzle assembly.

4. Turn nozzle assembly 1/4 turn to left and pull toward motor to remove.

5. Place plastic hex-body into vise and lightly tighten.

6. Carefully remove nozzle from the nozzle adapter using 5/8" socket wrench.

7. Blow compressed air through face of nozzle. This will free any dirt in nozzle area.

8. Inspect nozzle seal for damage.

9. Replace nozzle into nozzle adapter until nozzle seats. Tighten 1/3 turn more using 5/8" socket wrench (40-

45 inch-pounds).

10. Attach nozzle assembly to burner strap.

11. Attach fuel and airline hoses to nozzle assembly.

12. Replace fan (see page 10).

13. Replace fan guard and upper shell.

12

Combustion

Chamber

Nozzle

Assembly

Burner

Strap

Nozzle

Assembly

Fuel Line Hose

Air Line Hose

Figure 22 - Removing Air and Fuel Line

Hoses, 35/50/55,000 BTU/Hr Models

Figure 23 - Removing Nozzle Assembly,

35/50/55,000 BTU/Hr Models

Nozzle

Face

Nozzle

Nozzle

Seal

Nozzle

Adapter

Air Line

Fitting

Fuel Line

Fitting

Figure 24 - Nozzle and Nozzle Adapter, 35/50/55,000 BTU/Hr Models

099176

Nozzle

(70/100/110/150,000 BTU/Hr Models)

1. Remove upper shell (see page 10).

2. Remove fan (see page 10).

3. Remove fuel and air line hoses from burner head.

4. Remove spark plug wire from spark plug.

5. Remove spark plug from burner head using 13/16" open-end wrench.

6. Remove three (3) screws using

5/16" nut-driver and remove burner head from combustion chamber.

7. Place burner head into vise and lightly tighten.

8. Carefully remove nozzle from burner head using 5/8" socket wrench (see Figure 26).

9. Blow compressed air through face of nozzle. This will free any dirt in nozzle area.

10.Inspect nozzle seal for damage.

11.Replace nozzle into burner head and tighten firmly (80-110 inch-pounds).

12.Attach burner head to combustion chamber.

13.Install spark plug in burner head.

14.Attach spark plug wire to spark plug.

15.Attach fuel and airline hoses to burner head.

16.Replace fan (see page 10).

17.Replace fan guard and upper shell.

Pump Rotor

(Procedure if rotor is binding)

1. Remove upper shell (see page 10).

2. Remove filter end cover screws using 5/16" nut-driver.

3. Remove filter end cover and air filters.

4. Remove pump plate screws using

5/16" nut-driver.

5. Remove pump plate.

6. Remove rotor, insert, and blades.

7. Check for debris in pump. If debris is found, blow out with compressed air.

8. Install insert and rotor.

9. Check gap on rotor. Adjust to

.003"/.004" if needed (see Figure

29).

Note:

Rotate rotor one full turn to insure the gap is .003"/.004" at tightest position. Adjust if needed.

Continued

099176

Combustion

Chamber

Burner Head

Spark Plug

Wire

Screw

Spark

Plug

Fuel Line Hose

Air Line Hose

Figure 25 - Removing Burner Head, 70/100/110/150,000 BTU/Hr Models

Nozzle

Face

Nozzle

Seal

Nozzle

Burner

Head

Fuel Line

Fitting

Air Line

Fitting

Figure 26 - Removing Nozzle, 70/100/110/150,000 BTU/Hr Models

Blade

Pump

Plate

Air Intake

Filter

Filter End

Cover

Fan Guard

Insert

Rotor

50 ROTOR

Filter

Figure 27 - Rotor Location, 35/50/55/70,000 BTU/Hr Models

Blade

Pump

Plate

Air Intake

Filter

Filter End

Cover

Fan Guard

Insert

100 ROTOR-Domestic

Rotor

PFA/P 059A

Air Output

Filter

Figure 28 - Rotor Location, 100/110/150,000 BTU/Hr Models

13

(Pump Rotor, continued)

10. Install blades, pump plate, air filters, and filter end cover.

11. Replace fan guard and upper shell.

12. Adjust pump pressure (see page 11).

Note:

If rotor is still binding, proceed as follows.

13. Perform steps 1 through 6 (see page

13).

14. Place fine grade sandpaper (600 grit) on flat surface. Sand rotor lightly in

“figure 8” motion four times (see Figure 30).

15. Reinstall insert and rotor.

16. Perform steps 10 through 12 above.

Blade

Gap Adjusting Screw

Rotor

.003"/.004" Gap

Measured With

Feeler Gauge

Gap Adjusting Screw

Figure 29 - Gap Adjusting Screw Locations

Sandpaper

Figure 30 - Sanding Rotor

SPECIFICATIONS

Output Rating (BTU/Hr.) 35,000 50,000 55,000 70,000 100,000 110,000 150,000

Fuel Use Only Kerosene or No. 1 Fuel Oil

Fuel Tank Capacity

(U.S. Gal.) 3.0

4.0

5.0

5.0

Fuel Consumption

(Gal. Per Hr.) .26

.37

.40

.52

Electric Requirements 120 V/60 Hz (Same All Models)

Amperage (Normal Run) 2.0

2.0

Hot Air Output (CFM) 165 165

2.0

175

9.0

.74

2.5

4.5

250 480

9.0

.82

4.5

490

13.5

1.10

4.5

500

Power Plug

120V 60HZ

WIRING

DIAGRAMS

White

White

Motor

White

Green

Ignitor

Spark Plug

Terminal

Board

Red

White

Red

Black

Green

White

Blue

B

Blue

Flame

Out

Control

Photocell

R

Reset

Button

Red

Figure 31 - Wiring Diagram, 35/50/55,000 BTU/Hr Models

Power Plug

120V 60HZ

14

White

White

Motor

White

Green

Ignitor

Spark Plug Terminal

Board

Red

Red

White

Red

Black

Green

White

Blue

B

Blue

Flame

Out

Control

Photocell

R

Black

Relay

Red

Reset

Button

Figure 32 - Wiring Diagram, 70/100/110/150,000 BTU/Hr Models

099176

MAINTENANCE

KITS

BTU/Hr 35,000 50,000 55,000 70,000 100,000 110,000 150,000

Flame-Out Control

Part No.

HA3003 HA3003 HA3003 HA3003 HA3003 HA3003 HA3003

Spark Plug Part No.

HA3013 HA3013 HA3013 HA3012 HA3012 HA3012 HA3012

Filter Kit Part No.

HA3014 HA3014 HA3014 HA3014 HA3017 HA3017 HA3017

Nozzle Kit Part No.

HA3006 HA3007 HA3021 HA3008 HA3009 HA3022 HA3010

Rotor/Air Pump Kit

Part No.

Handle Part No.

Photocell Part No.

Pump Adjustment

HA3004 HA3004 HA3005 HA3004 HA3004 HA3004 HA3004

— — — — HA2203 HA2203 HA2204

HA3019 HA3019 HA3019 HA3019 HA3019 HA3019 HA3019

Part No.

HA3020 HA3020 HA3020 HA3020 HA3020 HA3020 HA3020

ACCESSORIES

Purchase accessories and parts from your nearest dealer or service center. If they can not supply these accessories or parts, either contact your nearest Parts

Central or DESA International.

Parts Centrals are listed in the

Authorized Service Center booklet supplied with heater.

DESA International

P.O. Box 90004

Bowling Green, KY

42102-9004

1-800-972-7879

Parts Department

AIR GAUGE KIT - HA1180

For all models. Special tool to check pump pressure.

STANDARD WHEELS AND

HANDLE KIT - HA1206

Makes heater even more portable and convenient.

Easy to assemble. Fits

35/50/55/70,000 BTU/

Hr models.

THERMOSTAT

KIT - HA1210

For all models. Keeps your building at the temperature you select day and night. Helps economize on fuel.

A 008

HEAVY DUTY

WHEELS AND

HANDLE KIT - HA1202

For heavy duty applications. Makes your heater even more portable and convenient. Fits 35/50/55/70,000 BTU/Hr models.

FLAME-OUT CONTROL/PHOTOCELL

TESTER - HA1170

For all models. Special tool used to test the flame-out control and photocell.

15

099176

WARRANTY AND REPAIR SERVICE

LIMITED WARRANTY

DESA International warrants this product and any parts thereof, to be free from defects in materials and workmanship for six (6) months from the date of first purchase when operated and maintained in accordance with instructions. This warranty is extended only to the original retail purchaser, when proof of purchase is provided.

WARRANTY SERVICE

Should your heater require service, return it to your nearest authorized service center. Proof of purchase must be presented with the heater. The heater will be inspected.

A defect may be caused by faulty materials or workmanship. If so, DESA International will repair or replace the heater without charge.

This warranty covers only the cost of parts and labor required to restore the product to proper operating condition. Transportation and incidental costs associated with warranty repairs are not reimbursable under this warranty.

Warranty service is available only through authorized dealers and service centers.

REPAIR SERVICE

Return the heater to your nearest authorized service center. Repairs not covered by the warranty will be billed at standard prices.

Illustrated parts lists can be obtained free of charge. Send a self addressed stamped envelope to the address listed below. List the heater model number and the date located in the lower right corner of this page. A service manual may be purchased from the address listed below. Send a check for $5.00 payable to DESA International.

This warranty does not cover defects resulting from misuse, abuse, negligence, accidents, lack of proper maintenance, normal wear, alteration, modification, tampering, contaminated fuels, repair using improper parts, or repair by anyone other than an authorized dealer or service center. Routine maintenance is the responsibility of the owner.

When writing for information regarding your heater, be sure to include the model number and serial number as shown on the model plate.

Each Service Center is independently owned and operated.

We reserve the right to amend these specifications at any time without notice.

THIS EXPRESS WARRANTY IS GIVEN IN LIEU

OF ANY OTHER WARRANTY EITHER EX-

PRESSED OR IMPLIED, INCLUDING WARRAN-

TIES OF MERCHANTABILITY AND FITNESS

FOR A PARTICULAR PURPOSE.

Model No.

KEEP THIS WARRANTY

Serial No.

DESA International assumes no responsibility for indirect, incidental or consequential damages. Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations or exclusions may not apply to you. This Limited Warranty gives you specific legal rights and you may also have other rights which vary from state to state.

Date of Purchase

(To be filled in by purchaser)

DESA

INTERNATIONAL

Corporate Headquarters

2701 Industrial Drive

P.O. Box 90004

Bowling Green, KY 42102-9004

For information, write: DESA International, P.O. Box 90004

Bowling Green, Kentucky 42102-9004 ATTN: Customer Service Department

When writing, always include model number and serial number.

099176-01

Rev. J

02/95

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