Desa BY35CEH, BY100CEH, BY150CEH, BY70CEH User Manual

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PORTABLE FORCED

AIR HEATERS

R OWNER’S MANUAL

Heater Sizes: 35,000 70,000 100,000 150,000 Btu/Hr Models: BY35CEH, BY70CEH, BY100CEH and BY150CEH

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.

TABLE OF CONTENTS

 

SAFETY INFORMATION ............................................................

2

PRODUCT IDENTIFICATION .....................................................

3

UNPACKING ...............................................................................

3

FUELS .........................................................................................

3

ASSEMBLY .................................................................................

4

VENTILATION .............................................................................

4

THEORY OF OPERATION .........................................................

4

OPERATION ...............................................................................

5

STORING, TRANSPORTING, OR SHIPPING ............................

5

PREVENTATIVE MAINTENANCE SCHEDULE .........................

6

TROUBLESHOOTING ................................................................

6

SERVICE PROCEDURES ..........................................................

8

WIRING DIAGRAM ...................................................................

14

SPECIFICATIONS ....................................................................

15

ACCESSORIES ........................................................................

15

ILLUSTRATED PARTS BREAKDOWN

 

AND PARTS LIST ..................................................................

16

WHEELS AND HANDLES ........................................................

24

EC CONFORMITY DECLARATION ..........................................

25

WARRANTY AND REPAIR SERVICE ......................................

26

SAFETY INFORMATION

2

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.

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 ap-

plicable 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 762cm (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 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 304.8cm (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 2800 square cm (three-square-foot) opening of fresh, outside air for each 30 kw (100,000 Btu/Hr) of rating.

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: 250 cm (8 Ft.)

Sides, Top, and Rear: 125 cm (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.

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PRODUCT IDENTIFICATION UNPACKING 3

FUELS

PRODUCT IDENTIFICATION

Hot Air

Handle

Outlet

Upper

 

Shell

Fan Guard

 

Lower

Air Filter

End

Shell

Cover

Fuel

 

Tank

 

Side Cover

 

ON/OFF Switch

 

with Light

Power

 

 

Cord

 

Fuel Cap

Figure 1 - BY35CEH and BY70CEH Models

Hot Air Outlet

Upper Shell

Lower

Shell

 

 

Fan

Fuel

 

Guard

 

 

Cap

 

Fuel

 

 

Tank

 

Side Cover

Power Cord

 

 

 

 

ON/OFF

 

 

Switch with

 

 

Light

Figure 2 - BY100CEH and BY150CEH Models

UNPACKING

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

2.Remove all items from carton.

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

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

use of non-toxic anti-icer in fuel during very cold weather

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

105522

ASSEMBLY

4 VENTILATION

THEORY OF OPERATION

ASSEMBLY

VENTILATION

(FOR BY100CEH AND BY150CEH MODELS ONLY)

These models are furnished with wheels and handles. Wheels, handles, 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.

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 a fresh air opening of at least 2800 square cm (three square feet) for each 30kw (100,000 Btu/Hr) rating. Provide extra fresh air if more heaters are being used.

Example: A 44kw (150,000 Btu/Hr) heater requires one of the following:

a two-car garage door [4.9 meter (16 feet) opening] raised 9 cm (3.5 inches)

a single-car garage door [2.75 meter (9 feet) opening] raised 15.25 cm (6 inches)

two, 76 cm (30 inch) windows raised 28 cm (11 inches)

4.Place front handle and rear handle on top of fuel tank flange. THEORY OF OPERATION Insert screws through handles, fuel tank flange, and wheel sup-

port 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

 

 

Air

 

Inlet

Wheel

 

Support

 

Frame

 

Wheel

Nut

Cap Nut

Extended

 

 

Hub

 

Axle

Figure 3 - Wheel and Handle Assembly

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 ignition control assembly provides power to the ignitor. This ignites the fuel/air mixture in the combustion chamber.

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

Combustion

Ignitor

 

Motor

Air Pump

Chamber

 

Fan

Air Intake

 

 

 

 

 

 

Filter

 

 

 

 

 

Clean

 

 

 

 

 

Heated

 

 

 

 

Cool

Air Out

 

 

 

 

Air In

 

 

 

 

 

Air

 

 

 

 

 

Output

 

 

 

 

 

Filter

Fuel

 

 

 

Air Line

Ignition

Nozzle

Fuel

Control

Tank

Filter

To Burner

Assembly

 

 

 

Air For Fuel

Air For

 

Fuel

 

Combustion

 

System

 

 

 

 

 

 

 

And Heating

Figure 4 - Cross Section Operational View

105522

OPERATION

5

STORING, TRANSPORTING, OR SHIPPING

 

 

OPERATION

WARNING: Review and understand the warnings in the Safety Information section, page 2. 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 standard 240 volt/50 hertz, grounded (earthed) outlet. Use an extension cord if needed. Use only a three-prong, grounded (earthed) extension cord.

EXTENSION CORD WIRE SIZE

REQUIREMENTS

Up to 30.5 meters (100 feet) long, use 1.0 mm2 (16 AWG) conductor

30.6 to 61 meters (101 to 200 feet) long, use 1.5 mm2 (14 AWG) conductor

Push ON/OFF switch to ON (|) position and heater should start in 5 seconds. If ON/OFF switch light does not come on or heater does not start, see Troubleshooting (pages 6 and 7).

TO STOP HEATER

Push ON/OFF switch to OFF (O)position.

TO RESET HEATER

1.Push ON/OFF switch to OFF (O) position and wait 10 seconds (2 minutes if heater has been running).

2.Repeat steps under To Start Heater, above.

|

 

 

ON/OFF

ON/OFF Switch

|

Switch with

 

O

Light

O

with Light

 

 

Figure 5 - ON/OFF Switch,

Figure 6 - ON/OFF Switch,

BY100CEH and BY150CEH

BY35CEH and BY70CEH

Models

Models

 

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.

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

105522

PREVENTATIVE MAINTENANCE SCHEDULE 6 TROUBLESHOOTING

PREVENTATIVE MAINTENANCE SCHEDULE

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

Item

How Often

How To

Fuel tank

Flush every 150-200 hours of operation or

See Storing, Transporting, or Shipping, page 5

 

as needed

 

Air output and lint filters

Replace every 500 hours of operation or

See Air Output, Air Intake, and Lint Filters, page 10

 

once a year

 

Air intake filter

Wash and dry with soap and water every

See Air Output, Air Intake, and Lint Filters, page 10

 

500 hours of operation or as needed

 

Fuel filter

Clean twice a heating season or as needed

See Fuel Filter, page 8

Ignitor

No maintenance required

 

Fan blades

Clean every season or as needed

See Fan, page 13

Motor

Not required/permanently lubricated

 

TROUBLESHOOTING

ATTENTION: The ignition control has built-in protection against current overloads. Use the light in the ON/OFF switch to troubleshoot the fault condition.

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

FAULT CONDITION

POSSIBLE CAUSE

REMEDY

Motor does not start five seconds after heater is plugged in (ON/OFF switch light remains on)

1. Bad electrical connection between motor

1. Check all electrical connections. See

and ignition control assembly or ignition

Wiring Diagram, page 14

control assembly and power cord

 

 

 

WARNING: High voltage!

 

 

 

 

 

 

 

2.

Binding pump rotor

2.

If fan does not turn freely, see Pump

 

 

 

 

Rotor, page 12

3.

Defective ignition control assembly

3.

Replace ignition control assembly

4.

Defective motor

4.

Replace motor

105522

TROUBLESHOOTING

7

TROUBLESHOOTING

Continued

FAULT CONDITION

POSSIBLE CAUSE

REMEDY

Motor starts and runs but heater does not

1.

No fuel in tank

1.

Fill tank with kerosene

ignite (ON/OFF switch light remains on)

2.

Pump pressure incorrect

2.

See Pump Pressure Adjustment, page 10

 

3.

Dirty fuel filter

3.

See Fuel Filter, page 8

 

4.

Obstruction in nozzle assembly

4.

See Nozzle Assembly, page 11

 

5.

Water in fuel tank

5.

Drain and flush fuel tank with clean

 

 

 

 

 

kerosene. See Storing, Transporting, or

 

 

 

 

 

Shipping, page 5

 

 

 

 

 

 

 

 

WARNING: High voltage!

 

 

 

 

 

 

 

 

 

6.

Bad electrical connection between

6.

Check electrical connections. See Wiring

 

 

ignitor and ignition control assembly

 

Diagram, page 14

 

7.

Defective ignitor

7.

Replace ignitor, see page 9

 

8.

Defective ignition control assembly

8.

Replace ignition control assembly

 

 

 

 

 

 

 

Heater ignites but ignition control assembly

1.

Pump pressure incorrect

1.

See Pump Pressure Adjustment, page 10

shuts heater off after a short period of time

2.

Dirty air intake, air output, and/or lint

2.

See Air Output, Air Intake, and Lint

(ON/OFF switch light remains on)

 

filter

 

Filters, page 10

 

3.

Dirty fuel filter

3.

See Fuel Filter, page 8

 

4.

Obstruction in nozzle assembly

4.

See Nozzle Assembly, page 11

 

5.

Photocell assembly not properly

5.

Make sure photocell boot is properly

 

 

installed (not seeing the flame)

 

seated in bracket

 

 

 

 

 

 

 

WARNING: High voltage!

 

 

 

 

 

 

 

 

 

6.

Dirty photocell lens

6.

Clean photocell lens

 

7.

Bad electrical connection between

7.

Check electrical connections. See Wiring

 

 

photocell and ignition control assembly

 

Diagram, page 14

 

8.

Defective photocell

8.

Replace photocell

 

9.

Defective ignition control assembly

9.

Replace ignition control assembly

 

 

 

 

 

 

 

ON/OFF switch light does not come on 1. No power to heater when switch is turned to the ON(|) position

and heater does not start

1.Verify that power cord is plugged into an electrical outlet and that the circuit breaker in the electral panel is reset

 

 

 

WARNING: High voltage!

 

 

 

 

 

 

 

2.

Bad electrical connections

2.

Check electrical wiring and connections.

 

 

 

 

See Wiring Diagram, page 14

3.

Electrical short in ignitor

3.

Check ignitor wiring. If no problems are

 

 

 

 

found, replace ignitor (see page 9)

 

 

 

 

ON/OFF switch light comes on when switch 1.

Electrical short in motor

1.

Check motor wiring. If no problems are

is turned to the ON(|) Position but turns off

 

 

 

found, replace motor

after five seconds

 

 

 

 

 

 

 

WARNING: High voltage!

 

 

 

 

 

 

 

 

 

 

 

105522

Desa BY35CEH, BY100CEH, BY150CEH, BY70CEH User Manual

SERVICE PROCEDURES

8

SERVICE PROCEDURES

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

UPPER SHELL REMOVAL

1.Remove screws and lock washers 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.

Upper

Shell

Upper Shell

Fan

Guard

Fan

Guard

Figure 7 - Upper Shell

Figure 8

- Upper Shell

Removal, BY35CEH and

Removal,

BY100CEH and

BY70CEH Models

BY150CEH Models

FUEL FILTER

(BY35CEH and BY70CEH Models)

1.Remove side cover screws using 5/16" nut-driver.

2.Remove side cover.

3.Pull rubber fuel line off fuel filter neck.

4.Carefully pry bushing and fuel filter out of fuel tank.

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

6.Attach rubber fuel line to fuel filter neck.

7.Replace side cover.

FUEL FILTER

(BY100CEH and BY150CEH Models)

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, lower fuel line, and fuel filter 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.

Fuel Filter

Fuel Line

Side Cover

Figure 9 - Fuel Filter Removal, BY35CEH and BY70CEH Models

Fuel Filter, Bushing,

and Lower Fuel Line

Upper

Fuel Line

Side Cover

Figure 10 - Fuel Filter Removal, BY100CEH and BY150CEH

Models

105522

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