Desa TC250RNG - Manuals - manualsarea.com

Page 2 - NATURAL GAS CONSTRUCTION HEATER; The piezo ignitor; UNPACKING; WARNING: NOT FOR HOME; WARNINGS; Carbon Monoxide Poisoning:

2 104133 NATURAL GAS CONSTRUCTION HEATER MODEL TC250RNG THEORY OFOPERATION The Fuel System: The gas supply at- taches to the heater by a minimum 3/8 inchi.d. hose or flexible connector. User mustsupply hose or flexible connector. The lengthshould be no more than 10 feet long. Thenatural gas moves th...

Page 3 - OWNER’S MANUAL; SPECIFICATIONS; VENTILATION; Fresh Outside Air Opening; WARNING: Provide at least a

3 104133 OWNER’S MANUAL PRODUCTIDENTIFICATION Figure 1 - Product Identification Top Emitter Piezo Ignitor Button Regulator/FuelTube AssemblyInstalled Base Base Shell Main BurnerValve Handle Valve Inlet Automatic ControlValve Button Main BurnerTube Nozzle Ignitor Electrode Thermocouple NATURAL GASSUP...

Page 4 - INSTALLATION

4 104133 NATURAL GAS CONSTRUCTION HEATER MODEL TC250RNG 1. Provide natural gas supply system. 2. Install plumbing from natural gas sup-ply system to heater. Provide 4 psi gaspressure to heater. If gas supply pres-sure is over 4 psi, use high pressureregulator (provided). 3. Connect gas supply to hea...

Page 5 - OPERATION; To Start Heater; WARNING: Fully close main; To Stop Heater; To Restart Heater

5 104133 OWNER’S MANUAL OPERATION WARNING: Review and un- derstand the warnings in theSafety Information Section, page2. They are needed to safely op-erate this heater. Follow all localcodes when using this heater. Figure 3 - Main Burner Valve Handle, Automatic Control Valve Button, and PiezoIgnitor...

Page 6 - SYMPTOM; TROUBLESHOOTING; WARNING: Never attempt to service heater while it is connected

6 104133 NATURAL GAS CONSTRUCTION HEATER MODEL TC250RNG SYMPTOM Pilot fails to light. Pilot lights but goes out when automaticcontrol valve button is released. Maximum burn rate is low. Soot forming inside heater, flame 100%yellow. Burn rate too high. Flames coming out ofemitter. POSSIBLE CAUSE 1. N...

Page 7 - MAINTENANCE; WARNING: Never service; STORAGE; CAUTION: Disconnect heater; Parts Under Warranty; WARNING: Use only original

7 104133 OWNER’S MANUAL MAINTENANCE WARNING: Never service heater while it is connected togas supply, operating, or hot.Severe burns can occur. 1. Keep heater clean. Clean heater annu-ally or as needed to remove dust anddebris. If heater is dirty or dusty, cleanheater with a damp cloth. 2. Inspect h...

Page 8 - ILLUSTRATED PARTS

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 - PARTS LIST

9 104133 OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement Parts, page 7. KEY PART NO. NO. DESCRIPTION QTY. 1 104145-02 Top Disk 1 2 103897-02 Emitter 1 3 103898-02 Shell 1 4 104116-01 Insulation R...

Page 10 - NOTES

10 104133 NATURAL GAS CONSTRUCTION HEATER MODEL TC250RNG NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________...

Page 12 - WARRANTY AND REPAIR SERVICE; LIMITED WARRANTY; NOT A UPC

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. 104133-01Rev. A10/97 DESA International warrants this product and any parts thereof, to be free from defects in...