Desa Tech K-50, K100-FA, K100-FAT, K150-FA, K150-FAT Owner's Manual
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FORCED AIR OIL CONSTRUCTION HEATERS
INSTRUCTIONS AND PARTS LIST
MODELS
50,000 BTU/HR 100,000 BTU/HR 150,000 BTU/HR
K50-FA K100-FA K150-FA
SPC-K50 SPC-K100 SPC-K150
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YOUR SAFETY IS IMPORTANT TO YOU AND TO OTHERS,
SO PLEASE READ THESE INSTRUCTIONS BEFORE YOU
OPERATE THIS HEATER.
GENERAL HAZARD WARNING:
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FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH
THIS HEATER, CAN RESULT IN DEATH, SERIOUS BODILY INJURY AND PROPERTY
LOSS OR DAMAGE FROM HAZARDS OF FIRE, EXPLOSION, BURN, ASPHYXIATION,
CARBON MONOXIDE POISONING, AND/OR ELECTRICAL SHOCK.
ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE INSTRUCTIONS SHOULD
USE OR SERVICE THIS HEATER.
IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS AN INSTRUCTIONS
MANUAL, LABELS, ETC. CONTACT THE MANUFACTURER.
8124B
September 2000
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
ANSI Z83.7b-1993
Construction Heater
SAFETY INSTRUCTIONS
This is an oil, direct-fired, forced air heater. It's intended use is primarily temporary heating of buildings under construction, alternation or repair.
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NOT FOR HOME OR RECREATIONAL VEHICLE USE
WARNING
GENERAL PRECAUTIONS
This is a direct-fired forced air heater.
Direct-Fired means that all of the combustion products
enter the heated space. Even though this heater
operates very close to 100 percent combustion efficiency, it still produces small amounts of carbon monoxide. Carbon monoxide (called CO) is toxic. We can
tolerate small amounts but not a lot. OSHA says that 50
parts per million (ppm) in the air we breathe is okay if it
does not average more than that during an 8 hour
working period. Regardless, CO can build up in a
heated space and failure to provide adequate ventilation could result in death. The symptoms of inadequate
ventilation are:
headache
dizziness
burning eyes and nose
nausea
dry mouth or sore throat
So be sure to follow advice about ventilation in these
operating instructions.
Forced Air means that a blower or fan pushes the air
through the heater. Proper combustion depends upon
this air flow; therefore, the heater must not be revised,
modified, or operated with parts removed or missing.
Likewise, safety systems must not be circumvented or
modified in order to operate the heater.
When the heater is to be operated in the presence
of other people the user is responsible for properly
acquainting those present with the safety precautions and instructions, and of the hazards involved.
SAFETY PRECAUTIONS
1. Check the heater thoroughly for damage. Never
operate a damaged heater.
2. Never modify the heater or operate the heater if
it has been modified from its original condition.
3. Use only Kerosene or #1 fuel oil. Never use
gasoline, naphtha, paint thinner, alcohol or other
fuels of any kind.
4. For indoor use only.
5. Use only in well ventilated areas. Provide at
least 2 sq. ft. of opening near the floor and 2 sq.
ft. of opening near the ceiling.
6. Always keep combustibles, like paper and wood
at least 8 ft. from the heater outlet and 3 ft. from
the top, sides and inlet. Locate 10 ft. from
canvas or plastic coverings and secure them to
prevent flapping or movement.
7. Install the heater such that it is not directly
exposed to water spray, rain and/or dripping
water or wind.
8. Never use in areas normally for habitation and/or
where children may be present.
9. Operate only on a stable, level surface.
10. Do not use with ductwork. Do not restrict inlet or
exit.
11. Use only the electrical power specified.
12. Use only a properly grounded 3 wire extension
cord.
13. Do not move, handle or service while hot or
burning.
14. Use only in accordance with State and Federal
ordinances.
CAUTION: Hot while in operation. Do not touch.
Keep children, clothing and combustibles away.
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WARNING: FIRE, BURN, INHALATION, AND EXPLOSION HAZARD.
KEEP SOLID COMBUSTIBLES, SUCH AS BUILDING MATERIALS, PAPER
OR CARDBOARD, A SAFE DISTANCE AWAY FROM THE HEATER AS RECOMMENDED BY THE INSTRUCTIONS. NEVER USE THE HEATER IN SPACES
WHICH DO OR MAY CONTAIN VOLATILE OR AIRBORNE COMBUSTIBLES,
OR PRODUCTS SUCH AS GASOLINE, SOLVENTS, PAINT THINNER, DUST
PARTICLES OR UNKNOW CHEMICALS.
OPERATING INSTRUCTIONS
UNPACKING
1. Remove all protective material which may have
been applied to the heater for shipment.
2. Remove the heater from carton
3. Check the heater for possible shipping damage.
If any damage is found immediately notify the
dealer from whom you purchased the heater.
ASSEMBLY (For 100,000 and 150,000 BTU/hr
models only)
Wheel and handles are found in the shipping carton
along with mounting hardware. The wheels, axle and
mounting hardware are in a plastic package. Tools
required are a 5/16" nutdriver, 3/8" open or adjustable
wrench and hammer.
1. Slide the axle (6) through the wheel support
frame (3). Install bushing (9) and wheels (7) on the
axle.
IMPORTANT: The extended hub of the wheel
should be positioned toward the wheels support
frame. Position the cap nuts (8) on the axle
ends and gently tap with a hammer to secure.
2. Position the heater on the wheel support frame
assembly with the exit end over the wheels.
3. Use four screws (4) and nuts (5) to attach the
front handle (1) to the top of the tank flange. The
screws will go through the front handle, the tank
flange and the wheel support frame. Install the
nuts finger-tight-only.
IMPORTANT: Do not tighten nuts until Step 5.
4. Using four screws (2) and nuts (5) install the tank
to support (1) as outlined in Step 3.
5. Tighten all nuts.
OPERATION
TO FUEL
IMPORTANT: Before filling fuel tank the first time or after
extended storage periods drain the fuel tank of any
moisture or condensation.
Fill the fuel tank with clean kerosene, No. 1 fuel oil or No.
1 diesel fuel only. Kerosene is recommended for use
when the temperature drops below zero degrees
fahrenheit (-18o Celsius). In extremely cold weather,
condensation may develop in the tank and it is recommended that a tablespoon of de-icer be added for each
gallon (4 liters) of fuel in the tank.
When filling the heater use at least 2 gallons (8 liters)
of fuel. Be sure heater is level and do not overfill. Use
a funnel or can with a long fill spout.
WARNING: To avoid fire, wipe up any spilled fuel
immediately.
TO LOCATE
WARNING: To avoid fire, place the unit in a level location
away from volatile substances and at a safe distance
from combustible materials. Adequate ventilation is
essential. Refer to the SAFETY PRECAUTION page for
advice on adequate ventilation.
Not suitable for use on wood floors or other combustible materials. When used the heater should rest on
suitable insulating material at least 1 inch thick and
extending 3 feet or more beyond the heater in all
directions.
If at any time the heater should fail to start, smoke
excessively or fire intermittently, unplug it immediately
and consult a qualified service person.
TO START
K50: Plug the heater into a grounded outlet.
K100/K150: Turn thermostat to lowest setting. Plug
heater into a grounded outlet. Turn thermostat to
highest setting (heater will start). Adjust thermostat to
desired setting. Heater will cycle on/off, as heat is
required.
ITEM PART NO. DESCRIPTION QTY.
1 3424 Handle, Front 1
2 7336 Machine Screw, Blk 4
3 3426 Support Tank 1
4 6977 Machine Screw, Blk 4
5 6037 Kep Nut, Blk 8
6 3439 Axle 1
7 6869 Wheel 2
8 6870 Push Nut 2
9 7333 Spacer 2
In cold weather, starting may be improved by holding a
finger over the end of the pressure adjusting screw
until the heater starts. This unit is equipped with a
circuit breaker located near the power cord. If the unit
does not start, check to see that the reset is pressed in.
TO STOP
K50: Unplug the heater.
K100/K150: For a short duration shutdown, where
temperatures will remain above 0oF, turn thermostat to
"off" position. For extended shutdown, or where the
temperature can go below 0oF unplug the heater.
TO RESTART
1. Wait 5 minutes.
2. Push reset button
3. If heater continues to cycle off on flame safety,
see a service person.
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