Desa SB600D, SB350D User Manual

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PORTABLE
FORCED
AIR HEATERS
OWNER’S MANUAL
600 SIDE
350 SIDE
Heater Sizes: 350,000 and 600,000 Btu/Hr
Models: SB350D and SB600D
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.
PV 027
PV 026
ARL LOGO
®
G 004
HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR
SAFETY INFORMATION
WARNINGS
WARNING ICON G 001
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 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) 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 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 federal, state, or local 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 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 three­square-foot opening of fresh, outside air for each 100,000 Btu/Hr of rating. This heater produces carbon monoxide, which is listed by the State of Califor­nia as a reproductive toxin under Propo­sition 65.
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 ex­tension cord.
Minimum heater clearances from com­bustibles:
Outlet: 8 Ft. Sides: 4 Ft. Top: 4 Ft. Rear: 4 Ft.
Locate heater on a stable and level sur­face while 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.
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.
Warning to New York City Residents
For Use Only At Construction Sites
in accordance with applicable NYC codes under NYCFD certificate of ap­proval #4803, #4899, #4908, #4909, or #4934.
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106029
OWNER’S MANUAL
PRODUCT IDENTIFICATION
Hot Air Outlet
Lower Shell
Fuel Cap
Thermostat
Figure 1 - 350,000 Btu/Hr Model
Hot Air Outlet
Upper Shell
Flame-Out Control Reset Button
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.
Motor and Pump Assembly
Power Cord
Fuel Tank
Lower Shell
Fuel Cap
Thermostat
Figure 2 - 600,000 Btu/Hr Model
106029
Upper Shell
Flame-Out Control Reset Button
3
Motor and Pump Assembly
Power Cord
Fuel Tank
HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR
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 Flame-Out 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.
Combustion Chamber
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
• carbon build-up on spark plug
• the need of non-toxic anti-icer in fuel during very cold weather
IMPORTANT:
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.
Spark Plug
Burner Head
Use a KEROSENE ONLY
Solenoid Valve
Fan
Fuel Pump/ Fuel Filter
Motor
VENTILATION
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.
Fresh Air Opening Requirements
Square Feet
Heater Size 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.
Clean Heated Air Out
Fuel Tank
Figure 3 - Cross Section Operational View
Nozzle
Fuel Line To Solenoid Valve
Air for Combustion and Heating
Electronic Ignitor
Fuel
4
Cool Air In
Fuel Pickup Line
Fuel Filter
106029
OPERATION
WARNING: Review and un-
derstand the warnings in the
Safety Information
2. They are needed to safely op­erate 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. Set thermostat dial to desired tempera­ture.
Note:
Thermostat setting must be
higher than surrounding air temperature.
5. Plug power cord of heater into three­prong, grounded extension cord. Exten­sion cord must be at least six feet long.
WARNING: Use only a three­prong, grounded extension cord. Use cord with proper wire size to assure 120 volt operation. See
Extension Cord Wire Size Re­quirements
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
6. Plug extension cord into standard 120 volt/60 hertz, three-hole, grounded outlet.
7. 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 flame­out control reset button. Flame-out con­trol reset button is at rear of heater near power cord (see Figure 4).
Note:
A cold heater may affect the thermo­stat setting. This thermostat is a general­heating control. It is not intended for precise temperature control. Adjust thermostat un­til heater cycles at the desired setting.
below.
section, page
OWNER’S MANUAL
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. To facilitate starting, remove the canister bot­tom from the pump's fuel filter and fill with fuel. Reassemble filter (see Pump Fuel Filter, page 12).
Flame-Out Control Reset Button
Figure 4 - Flame-Out Control Reset Button
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.
1. Turn thermostat dial to lowest tempera-
ture 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 thermo-
stat at a temperature lower than air around heater. Heater will cycle back on if air temperature around heater matches thermostat setting.
To Restart Heater
CAUTION: Do not restart heater until purge cycle is nished. The purge cycle cools the combustion chamber.
1. Wait until purge cycle is finished after stopping heater.
2. Repeat steps under To Start Heater.
STORING, TRANSPORTING, OR SHIPPING
Note:
If shipping transport companies re-
quire fuel tanks to be empty.
1. Drain all fuel from fuel filters, fuel lines, and pump (see Fuel Filters [Tank Fuel Filter], page 12).
2. Clean and flush fuel filter and canister attached to fuel pump (see Fuel Filters [Pump Fuel Filter], page 12).
3. Remove drain plug and drain fuel tank.
4. Replace drain plug.
5. 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.
6. Replace fuel cap or drain plug. Prop­erly dispose of old and dirty fuel. Check with local automotive service stations that recycle oil.
7. Add two gallons (350,000 Btu/Hr) or three gallons (600,000 Btu/Hr) of clean kerosene or No. 1 fuel oil to fuel tank.
8. Replace fuel cap.
9. Operate heater for 5 minutes (see Op- eration).
10. Stop heater and let cool completely.
11. Remove drain plug and drain fuel tank.
12. Replace drain plug.
13. Properly dispose of old and dirty fuel.
14. If storing, store heater in a dry loca­tion. Make sure storage place is free of dust and corrosive fumes.
IMPORTANT:
summer months for use during next heating season. Using old fuel could damage heater.
Do not store kerosene over
106029
5
HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR
PREVENTATIVE MAINTENANCE SCHEDULE
Item
Fuel tank
Filler neck screen
Fuel filter assembly (Fuel tank)
Fuel filter lines
Fuel filter (Pump)
Spark plug
Fan blades and air deflectors
WARNING: Never service heater while it is plugged in, op­erating, or hot. Severe burns and electrical shock can occur.
How Often
Flush every 150-200 hours of operation or as needed
Check for particles in fuel 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
How To
See Storing, Transporting, or Shipping, page 5
Lift out of fuel tank and rinse with clean kerosene
See Fuel Filters, page 12
See Fuel Lines, Page 12
See Fuel Filters, page 12
See Spark Plug, page 10
See Fan Blades and Air Deflectors, page 10
Air passages around burner head
Motor
Check each season for dirt and debris
Not required, permanently lubricated
Remove debris and trash with a clean, soft cloth
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