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For information, write: DESA International, P.O. Box 90004

Bowling Green, Kentucky 42102-9004 ATTN: Customer Service Department

When writing, always include model number and serial number.

104133-01
Rev. A
10/97

DESA International 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 OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR-
POSE.

DESA International assumes no responsibility for indirect, incidental or consequential damages. Some states do not allow
the exclusion or limitation of incidental or consequential damages, or 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 state to state.

WARRANTY AND REPAIR SERVICE

LIMITED WARRANTY

KEEP THIS WARRANTY

This warranty does not cover discoloration due to operation of heater. We reserve the right to amend these specifications
at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty,
expressed or implied.

WARRANTY SERVICE

Should your heater require service, return it to your nearest authorized service center. Proof of purchase must be pre-
sented with the heater. The heater will be inspected. A defect may be caused by faulty materials or workmanship. If so,
DESA International will repair or replace the heater without charge.

REPAIR SERVICE

Return your heater to your nearest authorized service center. Repairs not covered by the warranty will be billed at
standard prices. Each Service Center is independently owned and operated. We reserve the right to amend these specifi-
cations at any time without notice.

2701 Industrial Drive
P.O. Box 90004
Bowling Green, KY 42102-9004

Model

Serial No.

Date of Purchase

104133 01

NOT A UPC

Summary of Contents for TC250RNG

Page 1: ...ARNING FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS HEATER CANRESULTINDEATH SERIOUSBODILYINJURYANDPROPERTYLOSSORDAMAGE FROM HAZARDS OF FIRE EXPLOSION BURN ASPHYXIATION CARBON MONOXIDE POISON ING 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 I...

Page 2: ...e heater serviced Natural Gas Natural gas has a distinctive odor This odor helps you detect a natural gasleak However theodormayfade Natu ral gas may be present even though no odor exists 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 Install and use heater with care Follow all local ordinances and codes...

Page 3: ...re Feet Opening 7 5 WARNING Provide at least a 7 5 square foot opening of fresh outside air while running heater If proper fresh outside air venti lation is not provided carbon monoxide poisoning can occur Provide proper fresh outside air ventilationbeforerunningheater Theusermustfurnishthenaturalgassupply and the connections to the heater Regulate the natural gas supply down to 4 psi If over 4 ps...

Page 4: ...des when using this heater gas at 4 psi pressure for each heater connected to the system 2 Mount regulator to heater base below piezo ignitor button see Figure 2 Use 1 4 20 screws from hardware bag to at tach regulator to heater Mount regula tor so the outlet with male connector points toward the heater inlet 3 Attach the 1 2 copper fuel tube sup plied to male connector on regulator Attach other e...

Page 5: ... ignitor button see Figure 3 You may need to push the piezo ignitor button 3 8 times until the pilot lights Note Hose may be filled with air If so keep automatic control valve button pressed and wait 20 seconds for gas to clear before pressing ignitor button again When pilot lights keep automatic con trol valve button pushed in Release button after 30 seconds 5 If pilot light goes out repeat step ...

Page 6: ...ton de pressed 3 Replace pilot orifice 4 Adjust ignitor electrode gap to 120 Check wire lead for damage Replace piezo ignitor and or ignitor electrode as necessary 1 Relight hold automatic control valve button in 45 seconds 2 Check for proper gas supply 3 Tighten connection or replace thermo couple 4 Replace automatic control valve 1 Fully open main burner valve by turn ing the valve handle toward...

Page 7: ...er from natural gas supply Parts Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s either contact your nearest Parts Central or call DESA International s Tech nical Service Department at 1 800 323 5190 When calling DESA International have ready your name how heater was malfunctioning your address purchase date model number of your heater In ...

Page 8: ...8 104133 NATURAL GAS CONSTRUCTION HEATER MODEL TC250RNG ILLUSTRATED PARTS ON OFF 4 29 5 1 3 2 6 9 10 11 12 13 14 15 16 17 18 19 21 22 23 24 26 28 27 20 25 30 7 31 8 ...

Page 9: ...lectrode 1 13 097163 07 Pilot Burner Assembly 1 14 099237 01 Thermocouple Clip 1 15 097161 01 Pilot Burner Orifice 1 16 M5788 Sleeve 1 17 M5787 Hex Nut 1 18 103028 02 Pilot Tube 1 19 097152 01 Manual Control Valve 1 20 103901 01 Burner Support 1 21 099461 01 Tee Compression Gauge 1 22 099460 01 Brass Hex Cap 1 23 097155 01 Automatic Control Valve 1 24 097157 03 Female Connector 1 25 104142 01 Fuel...

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Page 11: ...____________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ___________________________________________________________________________________________...

Page 12: ...RRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR POSE DESA International assumes no responsibility for indirect incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations or exclusions may not apply to you This Limited Warranty gives you specific legal rights and you may also have other rights which var...

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