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Portable
Infra-Red
Camp Heater
Owner’s Manual
Model CHD12B
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Heater Size: 8,000 – 12,000 BTU/Hr
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Safety Information
WARNINGS
Read and understand this manual before using this heater. Improper use of this heater can cause
serious injury. Do not allow anyone who has not read this manual to operate this heater. Keep this
manual for reference. It is your guide to safe and proper operation of this heater.
1. For outdoor use only. Do not use inside house, camper, tent, vehicle, or any type of unvented or
enclosed area.
2. Use heater in areas free from open flames, combustible vapors, and dust.
3. Never operate heater while sleeping or unattended.
4. Minimum heater clearances from combustibles: Top, Front, and Sides: 3 Ft.
5. This heater consumes air. Provide a fresh air opening of at least 12 square inches.
6. Use only propane gas set up for vapor withdrawal.
7. Before each use, check heater for leaks. Never use an open flame to check for a leak. Apply a
mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at
once.
8. Locate propane tank on a stable and level surface. The heater burner must be at least 24 inches
above the floor. Always attach heater to propane tank in an upright position. Never operate heater
on its side or attach to propane tank in a horizontal position. This could lead to dangerous flareups or fire.
9. Keep children and animals away from heater.
10. Do not use heater below ground level. Propane is heavier than air. If a leak occurs, propane gas
will sink to the lowest possible level. If you smell gas or suspect a leak, shut off the propane tank
valve at once and ventilate the area. Do not strike a match or create any flame or electric spark.
Find and correct the leak before attempting to light any appliance. If you cannot correct leak, do
not tamper with heater. Return heater to nearest authorized service center or to address on back
page of this manual, freight prepaid.
11. Do not move or handle a hot or operating heater. Do not attach or remove a hot or operating
heater from the propane tank. Severe burns may result.
12. Always remove heater from propane tank after each use. Always store propane tank outdoors.
Never store propane tank in an enclosed area. Never store propane tank near high heat, open
flame, or where temperatures exceed 120° F.
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Connecting Heater To Propane Tank
Read and understand all safety information before connecting heater to propane tank.
1. WARNING: Make sure there is no open flame in the area. Make sure heater regulator knob is
in the “OFF” position.
2. Keep all connections and fittings clean. Make sure the propane tank valve outlet is clean. Check
the rubber “O” ring on the heater inlet fuel connector for damage before each use. Replace if
worn or damaged.
3. Wrench tighten the fuel connector nut into the propane tank valve (see Figure 1). Turn fuel
connector nut counterclockwise to tighten. Threads are left-handed. WARNING: Attach heater in
upright position as shown in Figure 1. Never attach heater in a horizontal position. This
could lead to dangerous flare-ups or fire.
4. Open propane tank valve on propane tank slowly.
5. Check all fittings for leaks. Apply a mixture of liquid soap and water to all joints. Bubbles forming
show a leak. Correct all leaks at once. WARNING: Never use an open flame to check for a
leak.
Fuel Connector Nut
Propane
Tank Valve
Heater
Regulator
Knob
Figure 1
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Lighting Heater
Read and understand all safety information before operating heater.
1. WARNING: Make sure there is no open flame in the area. Fully open the propane tank valve.
2. Turn the heater regulator knob counterclockwise to the “HI” position.
3. WARNING: Stand to the side of the heater while lighting. Do not stand or have any part of
your body in front of heater while lighting. Locate ignition hole in underside of burner (see
Figure 3). Hold a lit match under ignition hole.
CAUTION: Do not insert match into air inlet holes in mixing tube. Push in the safety shutoff
valve plunger (see Figure 3). WARNING: Do not push in safety shutoff valve plunger before
inserting lit match. Burner should light. Mesh screen on burner glows red when lit. After burner
is lit, continue holding in safety shutoff valve plunger for 10 to 30 seconds until heater stays lit.
4. If the burner does not light within 30 seconds, turn the regulator knob to the “OFF” position. Wait
at least two minutes for the gas to dissipate before relighting.
5. If heater will not light after repeated trys, do not attempt to repair heater. Return heater to nearest
authorized service center or to address on back page of this manual, freight prepaid.
6. After heater stays lit, turn the heater regulator knob to the desired heat setting (LOW, MED, or
HI).
Ignition Hole
Heater
Regulator
Knob
Safety Shutoff
Valve Plunger
Figure 2
Air Inlet
Hole
Figure 3
To Turn Off Heater
1. Tightly close propane tank valve by turning clockwise.
2. Turn the heater regulator knob to the “OFF” position. Wait at least 15 minutes for the heater to
cool before handling heater.
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Technical Service and Replacement Parts
For further questions about your heater, call DESA Industries at 905-826-8010.
Replacement Parts: Contact authorized dealers of this product. If they can’t supply
original replacement parts, call DESA Industries at 905-826-8010.
Replacement Parts
Item Description Part Number
1 Burner Guard 100911-01
2 Thermocouple 100886-01
3 Regulator with Fuel Gas Connector 100910-01
4 Owner’s Manual (not shown) 101835-01
5 Warning Plate (not shown) 101834-01
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Heater Information
BTU Output
HI 12,000 BTU/Hr
MED 10,000 BTU/Hr
LOW 8,000 BTU/Hr
Length of Operation
20 lb. Propane Tank 36 hours
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Warranty Information
Propane Infra-Red Camp Heater
Limited Warranty
DESA Industries warrants this product and any parts thereof, to be free from defects in materials and
workmanship for one (1) year from the date of first purchase when operated and maintained in accordance with
instructions. This warranty is extended only to the original retail purchaser, when proof of purchase is provided.
This warranty covers only the cost of parts and labor required to restore the product to proper operating
condition. Transportation and incidental costs associated with warranty repairs are not reimbursable under this
warranty.
Warranty service is available only through authorized dealers and service centers.
This warranty does not cover defects resulting from misuse, abuse, negligence, accidents, lack of proper
maintenance, normal wear, alteration, modification, tampering, contaminated fuels, repair using improper
parts, or repair by anyone other than an authorized dealer or service center. Routine maintenance is the
responsibility of the owner.
THIS EXPRESS WARRANTY IS GIVEN IN LIEU OF ANY OTHER WARRANTY EITHER EXPRESSED OR
IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.
DESA Industries assumes no responsibility for indirect, incidental or consequential damages. Some provinces
do not allow the exclusion or limitation of incidental or consequential damages. These limitations or exclusions
may not apply to you. This Limited Warranty gives you specific legal rights and you may also have other rights
which vary from province to province.
Industries of Canada, Inc.
2220 Argentia Road
Unit #4
Mississauga, Ontario
L5N 2K7
905-826-8010
FAX 905-826-8236
6
101835-01
Rev. A
04/95
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