Desa Master B350CEA Manuel utilisateur

HIGH PRESSURE

PORTABLE

FORCED

AIR HEATER

OWNER’S MANUAL

Model B350CEA

Heater Size: 340,000 Btu/Hr

350 SIDE PFA/PV 008

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.

103807

CONTENTS

WARNINGS

DANGER

Carbon monoxide poisoning may lead to death!

IMPORTANT: Read this Owner’s Manual carefully and completely

beforetryingtoassemble,operate,orservicethisheater.Improper

useofthisheatercancauseseriousinjuryordeathfromburns,ﬁre,

explosion, electrical shock, electrocution, and carbon monoxide

poisoning.

SECTION PAGE

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

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

Unpacking................................................................................................. 4

Assembly .................................................................................................. 4

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

Fuels ......................................................................................................... 7

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

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

Storing, Transporting, or Shipping ........................................................... 9

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

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

Service Procedures ................................................................................. 14

Upper Shell Removal..................................................................... 14

Fan Blades...................................................................................... 14

Spark Plug...................................................................................... 15

Nozzle ............................................................................................ 15

Pump Pressure Adjustment ............................................................16

Pump .............................................................................................. 16

Fuel Lines ...................................................................................... 16

Fuel Filters ..................................................................................... 17

Speciﬁcations.......................................................................................... 18

Wiring Diagram...................................................................................... 18

Accessory ............................................................................................... 18

Illustrated Parts Breakdowns and Parts Lists ......................................... 19

EC Conformity Declraration .................................................................. 22

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

Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning

resemble the ﬂu, with headaches, dizziness, 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, people with heart or lung disease or anemia,

those under the influence of alcohol, and those at high altitudes.

SAFETY

INFORMATION

Safety Information continued on next page

103807

SAFETY

INFORMATION

Continued

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 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)Allflame,includingthepilot light,if any,shallbeextinguishedand theheater

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 (762 cm) 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.

• Neveruseheaterwheregasoline,paintthinner,orotherhighlyﬂammablevapors

are present.

• Follow all local ordinances and codes when using heater.

• Useonlyinwellventedareas.Provideatleastthreesquarefeet(2800squarecm)

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 with the electrical voltage and frequency speciﬁed on model plate.

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

• Heaters used in the vicinity of tarpaulins, canvas, or similar enclosure materials

shall be located a safe distance from such materials. The recommended mini-

mum safe distance is 10 feet (304.8 cm). It is further recommended that these

enclosurematerials beof afire retardantnature. Theseenclosurematerials shall

be securely fastened to prevent them from igniting or from upsetting the heater

due to wind action.

• Minimum heater clearances from combustibles:

Outlet: 8 Ft. (250 cm) Top, Rear, and Sides: 4 Ft. (125 cm)

• Locate heater on a stable and level surface while hot or running or a ﬁre may

occur.

• Whenheaterismovedorstored,itmustbeinalevelpositionorfuelspillagemay

occur.

• Keep children and animals away from heater.

• Unplug heater when not in use.

• This heater has a built-in thermostat. Plugged-in heater may start at 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.

WARNINGS

Continued

103807

PRODUCT

IDENTIFICATION

UNPACKING 1. Remove all protective packing applied to heater for shipment.

2. Remove heater from shipping container.

3. Check heater for any shipping damage. If heater is damaged, promptly inform

dealer where you bought heater.

ASSEMBLY This model is furnished with wheels and front and rear handles. Wheels, handles,

and mounting hardware are found in the shipping carton.

TOOLS NEEDED

• Pliers

• Two - 7/16" Open or Adjustable Wrenches

1. Slide axle through wheel support frame. Install wheel spacer and then one flat

washer on each end of axle.

2. Install wheels on axle.

IMPORTANT:

When installing wheels, point exetended hub of wheels toward

wheel support frame (see Figure 2, page 5).

3. Slide one flat washer on each axle end in front of wheel.

4. Install cotter pins through holes at each end of axle. Bend cotter pins with pliers

to secure.

5. 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.

6. Place front and rear handles on top of fuel tank flange. Insert screws through

handles, fuel tank flange, and wheel support frame. Attach nut finger tight after

inserting each screw.

7. After inserting all screws, tighten nuts firmly.

;;

Upper Shell

Hot Air Outlet

Lower Shell

Fuel Cap

Thermostat

Fuel Tank

Power Cord

Motor and

Pump

Assembly

Burner Control

Reset Button

Figure 1 - B350CEA Btu/Hr Model

103807

ASSEMBLY

Continued

Air Inlet

;;

Front Handle

Cotter

Rear

Handle

Screw

Axle

Extended

Hub

Nut

Flat Washer

Wheel Spacer

Flat Washer

Figure 2 - Wheel and Handle Assembly

Wheel

Support

Frame

Fuel Tank

Flange

Hot Air

Outlet

103807

THEORY OF

OPERATION

The Fuel System: The motor turns the fuel pump. The fuel pump pulls fuel from

the fuel tank. The fuel pump pushes fuel through a ﬁlter and a solenoid valve and out

the burner head nozzle. 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 Burner Control System: This system causes the heater to shut down if the

flame goes out. It also allows the fan to continue running after normal shutdown of

heater. This cools the combustion chamber.

Cool

Air In

Combustion

Chamber

Clean

Heated

Air Out

Burner

Head

Fuel

Filter

Air for Combustion

and Heating Fuel

Figure 3 - Cross Section Operational View

Spark

Plug

Solenoid

Valve Fan Fuel Pump/

Fuel Filter

Motor

Fuel

Pickup

Line

Electronic

Ignitor

Nozzle

Fuel Tank Fuel Line To

Solenoid Valve

103807

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 burner

control to shut down heater. Foreign matter may also require fuel system to be

cleaned frequently.

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.

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.

VENTILATION

Fresh Air Opening Requirements

Square Square

Heater Size Feet Opening Centimeter Opening

340,000 Btu/Hr 10.5 9755

Note:

If you use more than one heater, provide extra fresh air. Provide a fresh air

opening of at least three square feet (2800 square cm) for each 100,000 Btu/Hr

rating.

103807

OPERATION

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. Set thermostat dial to desired temperature.

Note:

Thermostat setting must be

higher than surrounding air temperature.

5. Plug power cord of heater into a standard 220/240 volt, 50 hertz, grounded

(earthed) outlet. Use an extension cord if needed. Use only a three-wire,

grounded (earthed) extension cord.

Extension Cord Wire Size Requirements

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

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

201 to 300 feet (61.1 to 91.5 meters) long, use 12 AWG (2 mm2) conductor

6. The motor will start when power cord is plugged into outlet. The heater should

ignite at once. If heater does not ignite, restart heater. To restart heater, wait

60 seconds, then push in burner control reset button. Burner control reset

button is at rear of heater near power cord (see Figure 4).

Note:

If starting heater for ﬁrst time, you may need to restart heater several times

before heater ignites. You may also have to do this after taking heater out of

storage.

WARNING

Review and understand the warnings in the Safety Information

Section. They are needed to safely operate this heater.

;;;

Burner Control

Reset Button

Figure 4 - Burner Control Reset Button

103807

To Stop Heater

CAUTION

Never unplug heater while heater is running. Heater must go

through purge cycle. The purge cycle cools the combustion

chamber. Damage to heater can occur if combustion chamber is

not cooled. Do not restart heater until purge cycle is complete.

Note:

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

1. Drainall fuelfrom fuelﬁlters, fuellines, andpump (seeFuel Filters[Tank Fuel

Filter], page 17).

2. Clean and ﬂush fuel ﬁlter and canister attached to fuel pump (see Fuel Filters

[Pump Fuel Filter], page 17).

3. Remove drain plug and drain fuel tank.

4. Replace drain plug.

5. Add one gallon (four liters) of clean kerosene to fuel tank.

6. Attach fuel cap.

7. Move the heater forwards and backwards to stir fuel.

8. Remove drain plug and drain fuel tank.

9. Replace drain plug.

10. Add two gallons (eight liters) of clean kerosene or No. 1 fuel oil to fuel tank.

11. Replace fuel cap.

12. Operate heater for 5 minutes (see Operation, page 8).

13. Stop heater and let cool completely.

14. Remove drain plug and drain fuel tank.

15. Replace drain plug.

16. Properly dispose of old and dirty fuel.

17. Store heater in a dry location. 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.

STORING,

TRANSPORTING,

OR SHIPPING

To Restart Heater CAUTION

Do not restart heater until purge cycle is ﬁnished. The purge

cycle cools the combustion chamber.

1. Wait until purge cycle is ﬁnished after stopping heater.

2. Repeat steps under To Start Heater, page 8.

1. Turn thermostat dial to lowest temperature setting. This will cause heater

ﬂame to go out. The motor will continue to run during the purge cycle. This

allows the fan to cool the combustion chamber. When the purge cycle is

ﬁnished, the motor will stop. Do not unplug heater until purge cycle is

ﬁnished.

2. Unplug extension cord from outlet.

3. To temporarily stop heater, set thermostat at a temperature lower than air

around heater. Heater will cycle back on if air temperature around heater

matches thermostat setting.

OPERATION

Continued

103807

How To

See Storage, page 9.

Lift out of fuel tank and rinse

with clean kerosene.

See Fuel Filters, page 17.

See Fuel Lines, Page 16.

See Fuel Filters, page 17.

See Spark Plug, page 15.

See Fan Blades, page 14.

Remove dirt and trash with

clean, soft cloth.

PREVENTATIVE

MAINTENANCE

SCHEDULE Item

Fuel tank

Filler neck screen

Fuel ﬁlter assembly

(Fuel tank)

Fuel ﬁlter lines

Fuel ﬁlter (Pump)

Spark plug

Fan blades

Air passages around

burner head

Motor

How Often

Flush every 150-200 hours

of operation or as needed.

Check for trash when

ﬁlling fuel tank. Clean

when dirty.

Clean twice a heating

season or replace as

needed.

Check and tighten loose

connections occasionally.

Clean fuel ﬁlter element

every 250 hours.

Clean and regap every 300

hours of operation or

replace as needed.

Clean each season or as

needed.

Check each season for dirt

and trash.

Not required, permanently

lubricated.

WARNING

Never service heater while it is plugged in, operating, or hot.

Severe burns and electrical shock can occur.

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