Desa 50 Manuel utilisateur

OWNER’S MANUAL

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.

CANADIAN

PORTABLE

FORCED

AIR HEATERS

50 SIDE PFA/PV 010A

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

This heater is certified by the Canadian Gas Association to Canadian

Standards Specifications B140.0 and B140.8.

099618

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

SECTION PAGE

CONTENTS

Install heater according to local regulations and

CSA standard B139.

099618

SAFETY

INFORMATION 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.

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.

• Useonly inwell ventilatedareas. Provideventilation ofat leastthree squarefeet

(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.

• Whenheaterismovedorstored,itmustbeinalevelpositionorfuelspillagemay

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.

• Neveruseheaterwheregasoline,paintthinner,orotherhighlyflammablevapors

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.

WARNINGS

DANGER

Carbon monoxide poisoning may lead to death!

099618

PRODUCT

IDENTIFICATION

Side Cover

Fuel Tank

Lower

Shell

Fuel Cap

Power Cord

Upper Shell

Figure 2 - 100/150 Models

35/70,000 BTU/HR CANADIAN PFA/PV 042A

Safety Control

Reset Button

Side Cover

Fuel Tank

Lower Shell

Hot Air Outlet

Nose Cone Guard

Handle

Upper Shell

Figure 1 - 35/50/70 Models

Power Cord

Fuel Cap

Air Filter

End Cover

Fan Guard

Hot Air

Outlet

Safety Control

Reset Button

Fan Guard

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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 PFA/PV 042B

These models are furnished with a nose cone guard. Nose cone guard and

mounting screws are found in the shipping carton.

ASSEMBLY

(For 35, 50, and 70

Models Only) 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

UNPACKING

Hot Air Outlet

Upper Shell

Flange

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

099618

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:

Place extended hub of wheel toward wheel support frame.

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.

Hot Air

Outlet

ASSEMBLY

(For 100 and 150 Models Only)

Wheel

Support

Frame

Wheel

Axle

Fuel

Tank

Flange

Extended

Hub

Air Inlet

Screw

Front

Handle Rear

Handle

Nut

Cap Nut

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

099618

Fuel

Filter

Air For Fuel

System Air For Combustion

And Heating Fuel

Spark

Plug

Combustion

Chamber

Cool

Air

Clean

Heated

Air Out

Output

Air

Filter

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.

THEORY OF

OPERATION

Figure 5 - Cross Section Operational View

Burner

Head Fan Intake

Air

Filter

Air Pump

Motor

Air Line

To Burner

Fuel

Tank Nozzle Electronic

Ignitor

099618

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.

IMPORTANT:

Use a KEROSENE ONLY storage container. Be sure storage

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.

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.

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)

FUELS WARNING

Use only kerosene or No. 1 fuel oil to avoid risk of fire or

explosion. Never use gasoline, crankcase drainings, naph-

tha, paint thinners, alcohol, or other highly flammable fuels.

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.

VENTILATION

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.

099618

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).

Figure 6 - Safety Control Reset

Button, 35/50/70 Models Figure 7 - Safety Control Reset

Button, 100/150 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.

Safety

Control

Reset

Button

Safety

Control

Reset

Button

OPERATION

Continued

099618

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.

IMPORTANT:

Do not store kerosene over summer months for use during next

heating season. Using old fuel could damage heater.

WARNING

To avoid risk of burn and electrical shock, never attempt to

service heater while it is plugged in, operating, or hot.

PREVENTATIVE

MAINTENANCE

SCHEDULE

STORING,

TRANSPORTING

OR SHIPPING

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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