Desa KEROSENE HIGH PRESSURE PORTABLE FORCED AIR HEATERS owner manual Fuels, Ventilation, Operation

FUELS

WARNING: Use only kero- sene, #1#2 diesel/fuel oil, JET A or JP-8 fuels to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thin- ners, 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

•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 flame-out control to shut down heater. Foreign matter may also require you to clean fuel system often.

VENTILATION

WARNING: Follow the mini- mum fresh, outside air ventila- tion requirements. If proper fresh, outside air ventilation is not provided, carbon monoxide poisoning can occur. Provide proper fresh, outside air ventila- tion before running heater.

Fresh Air Opening Requirements

Heater Size	Square Feet Opening
350,000 Btu/Hr	10.5
600,000 Btu/Hr	18.0

Note: If you use more than one heater, provide extra fresh air. Provide a fresh air opening of at least three square feet for each 100,000 Btu/Hr rating.

OPERATION

WARNING:Reviewandunder- stand the warnings in the Safety Information section, page 2. They are needed to safely operate this heater.

TO START HEATER

1.Follow all ventilation and safety information.

2.Locate heater to provide maximum circulation of the heated air. Follow all location require- ments noted in Safety Information, page 2.

3.Fill fuel tank with kerosene, #1#2 diesel/fuel oil, JET A or JP-8 fuels.

4.Attach fuel cap.

5.Set thermostat dial to desired temperature. Note: Thermostat setting must be higher than surrounding air temperature.

6.Plug power cord of heater into three-prong, grounded extension cord. Extension cord must be at least six feet long.

WARNING: Use only a three- prong, grounded extension cord. Use cord with proper wire size to assure 120 volt operation. See Extension Cord Wire Size Requirements below.

Extension Cord Wire Size Requirements 6 to 100 feet long, use 14 AWG rated cord

101 to 200 feet long, use 12 AWG rated cord 201 to 300 feet long, use 10 AWG rated cord 301 to 400 feet long, use 8 AWG rated cord 401 to 500 feet long, use 6 AWG rated cord

7.Plug extension cord into standard 120 volt/60 hertz, three-hole, grounded outlet.

8.The motor will start when extension 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 flame-out control reset button. Flame-out control reset button is at rear of heater near power cord (see Figure 4, page 5).

Note:Acold heater may affect the thermostat setting. This thermostat is a general-heating control. It is not intended for precise temperature control.Adjust ther- mostat until heater cycles at the desired setting.

Note: If starting heater for first time, you may need to prime the pump. If equipped, slightly open bleed- er valve of pump to allow air to escape. Quickly close valve once fuel is seen. Wipe up any excess fuel. If equipped with canister fuel filter, remove the canister bottom and fill with fuel. Reassemble filter. Wipe up any excess fuel. You may also have to do this after taking heater out of storage.

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