Desa BY100CE, BY150CE, BY70CE, BY30CE User Manual

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R

PORTABLE

FORCED

AIR HEATERS

OWNER’S MANUAL

Heater Sizes: 30,000 70,000 90,000 150,000 Btu/Hr Models: BY30CE, BY70CE, BY100CE, and BY150CE

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.

CONTENTS

SAFETY INFORMATION

2

SECTION

PAGE

Safety Information ................................................................................

2

Product Identification ...........................................................................

4

Unpacking .............................................................................................

5

Assembly ..............................................................................................

5

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

6

Fuels .....................................................................................................

6

Ventilation ............................................................................................

7

Operation ..............................................................................................

7

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

8

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

8

Troubleshooting ....................................................................................

9

Service Procedures ...............................................................................

10

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

10

Fuel Filter (30/70,000 Btu/Hr Models) .........................................

11

Fuel Filter (90/150,000 Btu/Hr Models) .......................................

11

Spark Plug (30,000 Btu/Hr Model) ...............................................

12

Spark Plug (70/90/150,000 Btu/Hr Models) .................................

13

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

14

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

14

Nozzle (30,000 Btu/Hr Model) ......................................................

15

Nozzle (70/90/150,000 Btu/Hr Models) ........................................

16

Pump Rotor ....................................................................................

17

Fan .................................................................................................

18

Specifications ........................................................................................

18

Wiring Diagrams ..................................................................................

19

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

20

30,000 Btu/Hr Model .....................................................................

20

70,000 Btu/Hr Model .....................................................................

22

90,000 Btu/Hr Model .....................................................................

24

150,000 Btu/Hr Model ...................................................................

26

Wheels and Handles (90/150,000 Btu/Hr Models) ..............................

28

Accessories ...........................................................................................

29

EC Conformity Declaration ..................................................................

30

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

32

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.

Continued

 

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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 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 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.

3

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Desa BY100CE, BY150CE, BY70CE, BY30CE User Manual

PRODUCT IDENTIFICATION

4

Hot Air Outlet

Handle

 

Upper Shell

 

Lower Shell

Fan Guard

 

 

Air Filter

Fuel Tank

End Cover

 

 

Fuel Cap

Side Cover

 

Flame-Out

Control Reset

Button Power

Cord

Figure 1 - 30/70,000 Btu/Hr Models

Hot Air

Outlet Upper Shell

Lower

Shell

Fuel Cap

Fan Guard

Fuel Tank

Side Cover

Flame-Out

Power Cord

 

Control Reset

 

Button

 

Figure 2 - 90/150,000 Btu/Hr Models

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UNPACKING

ASSEMBLY

(For 90,000 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 any shipping damage. If heater is damaged, promptly inform dealer where you bought heater.

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.

4.Place front handle and rear handle on top of fuel tank flange. Insert screws through handles, 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

Hot Air

Screw

 

Outlet

Rear

 

Handle

Fuel Tank

Air

Inlet

Flange

 

Wheel

Support

Frame

Wheel

Nut

 

Cap Nut

Axle

Extended

 

Hub

Figure 3 - Wheel and Handle Assembly, 90/150,000 Btu/Hr Models Only

5

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THEORY OF

The Fuel System: The air pump forces air through the air line. The air is then

OPERATION

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.

 

 

 

 

 

 

 

 

Motor

Air Pump

 

Combustion

Spark

Burner

Fan

Intake

 

Chamber

Plug

Air

 

Head

 

 

 

 

Filter

 

 

 

 

 

Clean

 

 

 

 

Cool

Heated

 

 

 

Air

Air Out

 

 

 

 

In

 

 

 

 

 

Output

 

 

 

 

 

Air

 

 

 

 

 

Filter

Fuel

Nozzle

Fuel

Air line

Electronic

 

Tank

 

Filter

To Burner

Ignitor

 

 

 

 

Air For Fuel

 

Air For Combustion

Fuel

 

System

 

And Heating

 

 

 

 

 

Figure 4 - Cross Section Operational View

 

 

FUELS

WARNING

Use only kerosene or No. 1 fuel oil to avoid risk of fi re or explosion. Never use gasoline, naphtha, paint thinners, alcohol or other highly fl ammable 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

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.

6

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VENTILATION

OPERATION

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 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 15.24 cm (six inches)

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

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

WARNING

Review and understand the warnings in the Safety Information Section. 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 230 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

Heater will start when power cord is plugged into outlet. If not, push in flameout control reset button (see Figures 5 and 6).

Flame-Out Control

Flame-Out Control

Reset Button

Reset Button

Figure 5 - Flame-Out Control Reset

Figure 6 - Flame-Out Control Reset

Button, 30/70,000 Btu/Hr

Button, 90/150,000 Btu/Hr

 

Continued

 

 

 

7

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OPERATION

Continued

STORING,

TRANSPORTING, OR SHIPPING

PREVENTATIVE MAINTENANCE SCHEDULE

8

To Stop Heater

1. Unplug power cord from outlet.

To Restart Heater

1.Wait 2 minutes after stopping heater.

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

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

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

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 14.

Air intake

Wash and dry with soap and

See Air Output, Air Intake,

filter

water every 500 hours of

and Lint Filters, page 14.

 

operation or as needed.

 

Fuel filter

Clean twice a heating season

See Fuel Filter, page 11.

 

or as needed.

 

Spark plug

Clean and regap every 600

See Spark Plug, pages 12 and 13.

 

hours operation or replace

 

 

as needed.

 

Fan blades

Clean every season or as needed. See Fan, page 18.

Motor

Not required/permanently

 

 

lubricated

 

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TROUBLESHOOTING

WARNING

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

OBSERVED FAULT

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

POSSIBLE CAUSE

REMEDY

Wrong pump pressure

See Pump Pressure

 

Adjustment, page 14.

Dirty air output, air intake, and lint filters

Dirty fuel filter

Dirt in nozzle

Dirty photocell lens

Bad flame-out control

See Air Output, Air Intake

and Lint Filters, page 14.

See Fuel Filter, page 11.

See Nozzle, pages 15 and 16.

Clean photocell lens.

Replace flame-out control.

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

Wrong pump pressure

See Pump Pressure

 

Adjustment, page 14.

Carbon deposits on spark

See Spark Plug, pages 12

plug and/or improper gap

and 13.

Dirty fuel filter

See Fuel Filter, page 11.

Dirt in nozzle

See Nozzle, pages 15 and

 

16.

Water in fuel tank

Drain and flush fuel tank

 

with clean kerosene.

 

See Storing, Transport-

 

ing, or Shipping, page 8.

 

WARNING: High voltage!

 

Electronic ignitor not

Make sure electronic

 

grounded (earthed)

ignitor mounting is tight.

 

Bad electronic ignitor

Replace electronic

 

 

ignitor.

 

 

 

Motor does not start

Flame-out control not reset

Reset flame-out control

when heater is

 

button, see Figures 5 and

plugged in, fan

 

6, page 7.

rotates slowly or

Binding pump rotor

If fan is hard to turn, see

 

does not turn.

Pump Rotor, page 17.

 

9

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SERVICE PROCEDURES

Upper Shell Removal

1.Remove screws and lock washers along each side of heater using 5/16" nutdriver. These screws attach upper and lower shells together.

2.Lift upper shell off.

3.Remove fan guard.

WARNING

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

Upper

Shell

Fan Guard

Figure 7 - Upper Shell Removal, 30/70,000 Btu/Hr Models

Upper

Shell

Fan

Guard

Figure 8 - Upper Shell Removal, 90/150,000 Btu/Hr Models

10

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