NATURAL GAS CONSTRUCTION HEATER OWNER’S MANUAL Model: TC250RNG 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.
MODEL TC250RNG NATURAL GAS CONSTRUCTION HEATER SAFETY INFORMATION WARNINGS 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 UNKNOWN CHEMICALS. WARNING: NOT FOR HOME OR RECREATIONAL VEHICLE USE.
OWNER’S MANUAL PRODUCT IDENTIFICATION NATURAL GAS SUPPLY Top The user must furnish the natural gas supply and the connections to the heater. Regulate the natural gas supply down to 4 psi. If over 4 psi is supplied, then use the supplied regulator on the heater. The natural gas supply capacity should be able to supply a minimum of 250 cubic feet of gas at pressure for each heater connected to the system. Consult your natural gas supplier for proper sizing of the natural gas supply lines.
MODEL TC250RNG NATURAL GAS CONSTRUCTION HEATER INSTALLATION WARNING: Review and understand the warnings in the Safety Information Section, page 2. They are needed to safely operate this heater. Follow all local codes when using this heater. WARNING: Test all gas piping and connections for leaks after installation or servicing. 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. 1. 2. 3. 4. 5. 6.
OWNER’S MANUAL WARNING: Review and understand the warnings in the Safety Information Section, page 2. They are needed to safely operate this heater. Follow all local codes when using this heater. To Start Heater 1. 2. Follow all installation, ventilation, and safety information. Locate heater on stable and level surface. Make sure strong drafts do not blow on heater. WARNING: Fully close main burner valve before lighting pilot. If not, severe burns can occur.
MODEL TC250RNG NATURAL GAS CONSTRUCTION HEATER TROUBLESHOOTING You may have further questions about this heater. If so, contact DESA International’s Technical Service Department at 1-800323-5190. WARNING: Never attempt to service heater while it is connected to natural gas supply, operating, or hot. Severe burns can occur. SYMPTOM POSSIBLE CAUSE REMEDY Pilot fails to light. 1. Natural gas supply valve closed. 2. Air in gas line. 1. Open natural gas supply valve slowly. 2.
OWNER’S MANUAL STORAGE CAUTION: Disconnect heater from natural gas supply. 1. 2. 3. Place plastic cover cap over brass fitting on inlet connector. Store in dry, clean, and safe place. When taking heater out of storage, always check inside of heater. Insects and small animals may place foreign objects in heater. Keep inside of heater free from combustible and foreign objects. MAINTENANCE WARNING: Never service heater while it is connected to gas supply, operating, or hot. Severe burns can occur. 1. 2. 3.
MODEL TC250RNG NATURAL GAS CONSTRUCTION HEATER ILLUSTRATED PARTS 1 3 2 10 12 13 14 15 29 11 16 17 18 28 4 19 27 ON OFF 6 5 21 22 20 23 26 24 30 25 9 31 7 8 8 104133
OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts, page 7. KEY NO. PART NO.
MODEL TC250RNG NATURAL GAS CONSTRUCTION HEATER NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ___________________________________________________________________________
OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ___________
WARRANTY AND REPAIR SERVICE KEEP THIS WARRANTY LIMITED WARRANTY 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.
