Desa 50 User Manual

CANADIAN

PORTABLE

FORCED

AIR HEATERS

OWNER’S MANUAL

50 SIDE PFA/PV 010A

Models: 35, 50, 70, 100, and 150

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.

This heater is certified by the Canadian Gas Association to Canadian Standards Specifications B140.0 and B140.8.

CONTENTS

SECTION PAGE

Safety Information......................................................................... 3

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

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

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

35, 50, and 70 Models............................................................. 5

100 and 150 Models................................................................ 6

Theory of Operation ...................................................................... 7

Fuels .............................................................................................. 8

Ventilation .....................................................................................8

Operation .......................................................................................8

Storing, Transporting, or Shipping ................................................ 10

Preventative Maintenance Schedule.............................................. 10

Troubleshooting.............................................................................11

Service Procedures ........................................................................ 12

Upper Shell Removal .............................................................. 12

Fan...........................................................................................12

Air Output, Air Intake, and Lint Filters ..................................12

Pump Pressure Adjustment .....................................................13

Fuel Filter................................................................................ 13

Spark Plug (35/50 Models) ..................................................... 14

Spark Plug (70/100/150 Models) ............................................ 14

Nozzle (35/50 Models) ........................................................... 15

Nozzle (70/100/150 Models) ..................................................15

Pump Rotor .............................................................................16

Specifications ................................................................................ 17

Wiring Diagrams ........................................................................... 18

Accessories .................................................................................... 19

Illustrated Parts Breakdown and Parts List ................................... 20

35 Model ................................................................................. 20, 21

50 Model ................................................................................. 22, 23

70 Model ................................................................................. 24, 25

100 Model ............................................................................... 26, 27

150 Model ............................................................................... 28, 29

Warranty and Repair Service.........................................................30

Install heater according to local regulations and

CSA standard B139.

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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!

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 (such as pregnant women, persons with heart or lung disease, persons with anemia, those under the inﬂuence of alcohol, and those at high altitudes) are more affected by carbon monoxide than others.

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.

• Use only kerosene or No. 1 fuel oil.

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

• Heater must be grounded. Use only a properly grounded three-wire extension cord. Plug into grounded outlet only.

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

• Minimum clearance from any combustible materials: 8 feet (244 cm) from hot air outlet; 6 feet (183 cm) from top; and 2 feet (61 cm) from sides and inlet.

• Locate heater on a stable and level surface while hot or operating or a fire may occur.

• Use only in well ventilated areas. Provide ventilation of at least three square feet (2,800 square cm) for each 100,000 Btu of rating.

• Keep children and animals away from heater at all times.

• Never start heater when combustion chamber is hot or if fuel has accumulated in combustion chamber.

• When used with a thermostat, heater may start at anytime.

• When heater is moved or stored, it must be in a level position or fuel spillage may occur.

• Use heater only in accordance with local ordinances and codes.

• Never use gasoline, crankcase drainings, naphtha, paint thinners, alcohol, or other highly flammable fuels.

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

• Never use heater in living or sleeping areas.

• Never leave a heater plugged in without adult supervision if children or animals are likely to be present.

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

• Never block air inlet at motor end (rear) of heater.

• Never attach duct work to front of heater.

• Never attach heater to external fuel tank.

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PRODUCT

35/70,000 BTU/HR CANADIAN

PFA/PV 042A

IDENTIFICATION

Nose Cone Guard

Upper Shell

Hot Air Outlet

Handle

Lower Shell

Fuel Tank

Side Cover

Hot Air Outlet

Lower Shell

Fan Guard

Air Filter End Cover

Fuel Cap

Safety Control Reset Button

Power Cord

Figure 1 - 35/50/70 Models

Upper Shell

Fuel Cap

Side Cover

Safety Control Reset Button

Figure 2 - 100/150 Models

Fan Guard

Fuel Tank

Power Cord

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UNPACKING

1. Remove all protective packaging that has been applied to heater for shipment

2. Remove heater from carton.

3. Check heater for any shipping damage. If damage is found, promptly inform dealer where heater was purchased.

ASSEMBLY

(For 35, 50, and 70

Models Only)

These models are furnished with a nose cone guard. Nose cone guard and mounting screws are found in the shipping carton.

Tools Needed

• 5/16" Nut Driver or Wrench

1. Place nose cone guard on top of upper shell flange. Make sure nose cone guard is on hot air outlet end of heater.

2. Insert screws through nose cone guard and upper shell flange.

3. Tighten screws firmly.

Nose Cone Guard

Screw

Hot Air Outlet

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Upper Shell Flange

Figure 3 - Nose Cone Guard Assembly, 35/50/70 Models Only

ASSEMBLY

PFA/PV 042B

ASSEMBLY

(For 100 and 150 Models Only)

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 is 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:

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

3. Place heater on wheel support frame assembly. Make sure air inlet end of heater is over wheels.

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. Tighten all nuts firmly.

Place extended hub of wheel toward wheel support frame.

Hot Air Outlet

Fuel Tank Flange

Wheel Support Frame

Wheel

Screw

Nut

Front Handle

Rear Handle

Air Inlet

Cap Nut

Axle

Figure 4 - Wheel and Handle Assembly, 100/150 Models Only

Extended Hub

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THEORY OF

OPERATION

The Fuel System: An air pump is located on one end of the motor shaft. The

air pump forces air through the air line. The air is then pushed through the burner head nozzle. The moving air causes fuel to be lifted from the tank. The fuel and air mixture is sprayed into the combustion chamber in a fine mist.

The Air System: The motor turns a fan which 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 causes the spark plug to ignite the fuel and air mixture.

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

Clean Heated Air Out

Fuel Tank

Combustion Chamber

Nozzle

Air For Fuel System

Spark Plug

Fuel Filter

Motor

Burner Head

Air Line To Burner

Air For Combustion And Heating

Fan

Air Pump

Intake Air Filter

Cool Air In

Output Air Filter

Electronic Ignitor

Fuel

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Figure 5 - Cross Section Operational View

FUELS

WARNING

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

Use only kerosene or No. 1 fuel oil. Do not use heavy fuels such as No. 2 fuel oil or No. 2 diesel. The use of heavy fuels will result in:

• clogging of fuel filter and nozzle

• carbon build up on spark plug

• the need of non-toxic anti-icer in fuel during very cold weather Do not use No. 3 fuel oil or heavy oils such as crankcase drainings. These heavy oils will not ignite properly and will contaminate the heater.

VENTILATION

IMPORTANT:

container is clean. Foreign matter such as rust, dirt or water will cause the heater’s safety control to shut down heater. Foreign matter may also require heater’s fuel system to be frequently cleaned.

Use a KEROSENE ONLY storage container. Be sure storage

WARNING

Provide a fresh air opening of at least one square foot (930 square cm) for each 35,000 BTU/HR rating. Provide extra fresh air if more heaters are being used. The minimum ventilation requirements must be followed to avoid risks associated with carbon monoxide poisoning. Make certain these requirements are met prior to operating heater.

Example:

A 150 model heater requires one of the following:

• a two-car garage door raised six inches (15.24 cm)

• a single-car garage door raised nine inches (22.86 cm)

• two, thirty-inch (76.20 cm) windows raised twelve inches (30.48 cm)

OPERATION

IMPORTANT

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

To Start Heater

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

2. Attach fuel cap.

3. Follow all ventilation and safety information.

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OPERATION

Continued

4. Plug heater’s power cord into approved, grounded, three-wire extension cord. Extension cord must be at least six feet (1.8 meters) long.

Extension Cord Size Requirement

6 to 10 feet (1.8 to 3 meters) long, use 18 AWG (0.75 mm2) rated cord 11 to 100 feet (3.3 to 30.5 meters) long, use 16 AWG (1.0 mm2) rated cord 101 to 200 feet (30.8 to 61 meters) long, use 14 AWG (1.5 mm2) rated cord

5. Plug extension cord into standard 120 volt/60 hertz, 3-prong grounded outlet. Heater will start when extension cord is plugged into outlet. If not, push in heater’s safety control reset button (see Figures 6 and 7).

Safety

Safety Control Reset Button

Control Reset Button

Figure 6 - Safety Control Reset Button, 35/50/70 Models

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.

Figure 7 - Safety Control Reset Button, 100/150 Models

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STORING,

TRANSPORTING

OR SHIPPING

Note:

If shipping, transport companies require fuel tanks to be empty.

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 provided.

3. If any debris is noted in old fuel, add 1 or 2 quarts of clean kerosene to tank, stir, and drain again. This will prevent excess debris from clogging filters during future use.

4. Replace fuel cap or drain plug. Properly dispose of old and dirty fuel. Check with local automotive service stations that recycle oil.

5. If storing, store heater in dry place. Make sure storage place is free of dust and corrosive fumes.

PREVENTATIVE

MAINTENANCE

SCHEDULE

IMPORTANT:

heating season. Using old fuel could damage heater.

Do not store kerosene over summer months for use during next

WARNING

To avoid risk of burn and electrical shock, never attempt to service heater while it is plugged in, operating, or hot.

Item How Often How To

Fuel tank Flush every 150-200 hours See Storing, Transporting, or

of operation or as needed. Shipping, above.

Air output and Replace every 500 hours of See Air Output, Air Intake, lint filters operation or once a year. and Lint Filters, page 12.

Air intake Wash and dry with soap and See Air Output, Air Intake, filter water every 500 hours of op- and Lint Filters, page 12.

eration or replace as needed.

Fuel filter Clean twice a heating season See Fuel Filter, page 13.

or replace as needed.

Spark plug Clean and regap every 600 See Spark Plug, page 14.

hours operation or replace as needed.

Fan blades Clean every season or See Fan, page 12.

as needed.

Motor Not required/permanently

lubricated

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TROUBLE-

SHOOTING

WARNING

To avoid risk of burn and electrical shock, never attempt to service heater while it is plugged in, operating, or hot.

OBSERVED FAULT POSSIBLE CAUSE REMEDY

Heater ignites, but safety control shuts off heater after a short period of time.

Incorrect pump pressure

Dirty air output, air

intake and lint filters

See Pump Pressure

Adjustment, page 13.

See Air Output, Air Intake

and Lint Filters, page 12.

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

Dirty fuel filter Dirt in nozzle Dirty photocell lens Defective safety control

Incorrect pump pressure

Carbon deposits on spark

plug and/or improper

gap Dirty fuel filter Dirt in nozzle Water in fuel tank

WARNING: High voltage!

Electronic ignitor not

grounded

See Fuel Filter, page 13. See Nozzle, page 15. Clean photocell lens. Replace safety control.

See Pump Pressure

Adjustment, page 13.

See Spark Plug, page 14.

See Fuel Filter, page 13. See Nozzle, page 15. Drain and ﬂush fuel tank

with clean kerosene. See

Storing, Transporting, or Shipping, page 10.

Make sure electronic

ignitor mounting is tight.

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Motor hums when heater is plugged in,

fan rotates slowly or does not turn.

Motor does not start; thermostat (if used) is set to call for heat.

Defective electronic

ignitor

Solid state relay not

allowed to reset Binding pump rotor

Motor thermal trip out

Replace electronic ignitor.

Wait two minutes before

trying to restart heater.

If fan is hard to turn, see

Pump Rotor, page 16.

Wait for motor to cool

down. It will reset automatically.

SERVICE

PROCEDURES

WARNING

To avoid risk of burn and electrical shock, never attempt to service heater while it is plugged in, operating or hot.

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:

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 setscrews which holds fan to motor shaft.

3. Slip fan off motor shaft.

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

5. Dry fan thoroughly.

6. Replace fan on motor shaft. Place fan hub flush with end of motor shaft (see Figure 10).

7. Place setscrews on flat of shaft. Tighten setscrews firmly (40-50 inch-pounds/4.5-5.6 n-m).

8. Replace fan guard and upper shell.

Remove fan from motor

Setscrews

Motor Shaft

Figure 9 - Fan, Motor Shaft, and Setscrew Location

Upper Shell

Figure 8 - Upper Shell Removal

Fan

Motor Shaft

Setscrews

Figure 10 - Fan Cross Section

Fan Guard

Fan

Flush

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 10).

6. Replace filter end cover.

7. Replace fan guard and upper shell.

IMPORTANT:

Do not oil filters.

Air Intake Filter

Filter End Cover

Lint Filter

Air Output Filter

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

Fan Guard

Air Intake Filter

Filter End Cover

Lint Filter

Air Output Filter

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

Fan Guard

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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 8). 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.

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 (see Figure 15).

4. Carefully pry bushing, fuel filter, and lower fuel line (100/150 models only) out of fuel tank (see Figure 16).

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

6. Attach upper fuel line to fuel filter neck.

7. Replace side cover.

(35/50/70 Models Shown)

Pressure Gauge Plug

Figure 13 - Pressure Gauge Plug Removal

Pump

Model Pressure

35 3 PSI 50 3.6 PSI

70 4 PSI 100 4 PSI 150 5 PSI

Fuel Filter

Side Cover

Upper Fuel Line

35/70 FUEL FILTER REMOVAL

Relief Valve

Pressure Gauge

Figure 14 - Adjusting Pump Pressure

PFA/P 037A

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Figure 15 - Fuel Filter Removal, 35/50/70 Models

Fuel Filter, Bushing, and Lower Fuel Line

Upper Fuel Line

Side Cover

Figure 16 - Fuel Filter Removal, 100/150 Models

Spark Plug

(35/50 Models)

1. Remove upper shell (see page 12).

2. Remove fan (see page 12).

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

4. Remove spark plug cable from spark plug.

5. Remove two 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" (1.4 mm) gap.

10.Replace burner strap onto spark plug. Rotate burner strap to position spark plug electrodes as shown in Figure 19.

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 cable to spark plug.

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

16.Replace fan (see page 12).

17.Replace fan guard and upper shell.

Combustion Chamber

Spark Plug Mounting Nut

Burner Strap

Air Line Hose

Figure 17 - Spark Plug Removal, 35/50 Models

.055" (1.4 mm) Gap

Figure 18 - Spark Plug Gap, 35/50 Models

Burner

45°

Strap

Figure 19 - Spark Plug Rotation, 35/50 Models

Spark Plug

Nozzle Assembly

Fuel Line Hose

Bend Here to Adjust Gap

Spark Plug Cable

Spark Plug

(70/100/150 Models)

1. Remove upper shell (see page 12).

2. Remove fan (see page 12).

3. Remove spark plug cable from

spark plug.

4. Remove spark plug from burner

head using 13/16" open-end wrench.

5. Clean and regap spark plug elec-

trodes as follows: 70/100 Models = .055" (1.4 mm) gap 150 Model = .075" (1.9 mm) gap

6. Install spark plug in burner head.

7. Attach spark plug cable to spark plug.

8. Replace fan (see page 12).

9. Replace fan guard and upper shell.

Burner Head

Spark Plug

Figure 20 - Spark Plug Removal, 70/100/150 Models

Figure 21 - Spark Plug Gap, 70/100/150 Models

Spark Plug Cable

Bend Here to Adjust Gap

Gap

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Nozzle

(35/50 Models)

1. Remove upper shell (see page 12).

2. Remove fan (see page 12).

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 thru 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 (4045 inch-pounds/4.5-5.1 n-m).

10.Attach nozzle assembly to burner strap.

11.Attach fuel and airline hoses to nozzle assembly.

12.Replace fan (see page 12).

13.Replace fan guard and upper shell.

Combustion Chamber

Nozzle Assembly

Air Line Hose

Figure 22 - Removing Air and Fuel Line Hoses, 35/50 Models

Nozzle Face

Nozzle

Figure 24 - Nozzle and Nozzle Adapter, 35/50 Models

Fuel Line Hose

Nozzle Adapter

Air Line Fitting

Burner Strap

Figure 23 - Removing Nozzle Assembly, 35/50 Models

Nozzle Seal

Fuel Line Fitting

Nozzle Assembly

Nozzle

(70/100/150 Models)

1. Remove upper shell (see page 12).

2. Remove fan (see page 12).

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

4. Remove spark plug cable from spark plug.

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

6. Remove three screws using 5/16" nut-driver and remove burner head from combustion chamber.

7. Place burner head into vise and lightly tighten.

Continued

Combustion Chamber

Screw

Air Line Hose

Figure 25 - Removing Burner Head, 70/100/150 Models

Burner Head

Spark Plug

Fuel Line Hose

Spark Plug Cable

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

9. Blow compressed air thru 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 inchpounds/9.1-12.4 n-m).

12.Attach burner head to combustion chamber.

13.Install spark plug in burner head.

14.Attach spark plug cable to spark plug.

15.Attach fuel and airline hoses to burner head.

16.Replace fan (see page 12).

17.Replace fan guard and upper shell.

Nozzle Face

Nozzle Seal

Nozzle

Burner Head

Fuel Line Fitting

Air Line Fitting

Figure 26 - Removing Nozzle, 70/100/150 Models

Pump Rotor

(Procedure if rotor is binding)

1. Remove upper shell (see page 12).

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" (.076-.101 mm) if needed (see Figure 29).

Note:

Rotate Rotor one full turn to insure the gap is .003"/.004" (.076-.101 mm) at tightest position. Adjust if needed.

10.Install blades, pump plate, air filters,

and filter end cover.

11.Replace fan guard and upper shell.

12.Adjust pump pressure (see page 13).

Insert

50 ROTOR-Domestic

Figure 27 - Rotor Location, 35/50/70 Models

Rotor

PFA/P 056B

Air Output Filter

Blade

Pump Plate

Air Intake Filter

Filter End Cover

Air Intake Filter

Filter End Cover

Fan Guard

Note:

If rotor is still binding, proceed as

follows.

Continued

Insert

Rotor

100 ROTOR-Domestic PFA/P 059A

Air Output Filter

Figure 28 - Rotor Location, 100/150 Models

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13.Perform steps 1 thru 6 (see page 16).

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 thru 12 (see page 16).

Blade

Gap Adjusting Screw

Rotor

.003"/.004" (.076-.101 mm) Gap Measured With Feeler Gauge

Sandpaper

SPECIFICATIONS

Figure 29 - Gap Adjusting Screw Locations

Figure 30 - Sanding Rotor

Model Size 35 50 70 100 150

Output Rating (Btu/Hr) 35,000 50,000 70,000 98,000 150,000 Fuel Use Only Kerosene or No. 1 Fuel Oil Fuel Tank Capacity

(U.S. Gal./Liters) 3/11.3 4/15.1 5/18.9 9/34 13.5/51

Fuel Consumption

(Gal. Per Hr/Liters Per Hr) .26/.98 .37/1.40 .5/1.89 .74/2.80 1.12/

4.24 Nozzle Spray Angle 50° 50° 50° 60° 60° Nozzle Spray Pattern Solid Cone (All Models) Electric Requirements 120 V/60 HZ (Same All Models) Amperage (Normal Run) 1.7 2.0 2.3 3.2 4.4 Motor RPM 1725 1725 3450 3450 3450 Hot Air Output (CFM) 165 165 253 481 500

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WIRING

White

Black

Blue

Green

Power Plug

120V/60Hz

Photocell

Spark Plug

Ignitor

Flame-

Out

Control

Reset

Button

Red

Motor

Blue

White

Red

Green

Terminal

Board

Red

Relay

Black

DIAGRAMS

Power Plug

120V/60Hz

Motor

Green

Ignitor

Red

Black

Green

White

Blue

Photocell

White

Spark Plug

Figure 31 - Wiring Diagram, 35/50 Models

Terminal

Board

Red

White

Blue

Flame-

Out

Control R

Reset

Button

Figure 32 - Wiring Diagram, 70/100/150 Models

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+ 42 hidden pages