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THC 85N
INDUSTRIAL / COMMERCIAL SPACE
HEATER
Certified to / Certifié à CGA 2.14 M2000 Conforms to / Conforme à ANSI std
Z83.7 2000
Suitable for indoor or outdoor installation / Unvented / Unattended Type
OPERATING INSTRUCTIONS MANUAL
SPECIFICATIONS:
Model
........................................................... THC-85N
Input ............................................................... 85,000 BTUH
Fuel ................................................................ Natural Gas
Inlet Pressure ................................................... 7.0" W.C.
Ignition
......................................................... Direct Spark Ignition
Thermostat Control.............................................Standard
Air Circulation ...................................................700 cfm
Fuel Consumption.............................................. 82 cfh
Approved.......................................................... cETLus listed
THC-85N OPERATING INSTRUCTIONS MANUAL
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Summary of Contents for Flagro THC-85N
- Page 1 OPERATING INSTRUCTIONS MANUAL SPECIFICATIONS: Model ………………………………………………….. THC-85N Input ……………………………………………………… 85,000 BTUH Fuel ………………………………………………………. Natural Gas Inlet Pressure …………………………………………… 7.0” W.C. Ignition ………………………………………………… Direct Spark Ignition Thermostat Control………………………………………Standard Air Circulation ……………………………………………700 cfm Fuel Consumption………………………………………. 82 cfh Approved…………………………………………………. cETLus listed THC-85N OPERATING INSTRUCTIONS MANUAL...
- Page 2 GENERAL HAZARD WARNING: FAILURE COMPY WITH PRECAUTIONS INSTRUCTIONS PROVIDED WITH THIS HEATER, RESULT IN DEATH, SERIOUS BODILY INJURY PROPERTY LOSS DAMAGE FROM HAZARDS FIRE, EXPLOSION, BURN ASPHYXIATION, CARBON MONOXIDE POISONING, AND / OR ELECTRICAL SHOCK. ONLY PERSONS WHO CAN UNDERSTAND FOLLOW INSTRUCTIONS SHOULD USE OR SERVICE THIS HEATER.
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Page 3: Installation
WARNING: This heater is designed and approved for use in accordance with Standard ANSI Z83.7-CGA 2.14. CHECK WITH YOUR LOCAL FIRE SAFETY AUTHORITY IF YOU HAVE QUESTIONS ABOUT APPLICATIONS. Other standards govern the use of fuel gases and heat producing products in specific applications. - Page 4 TOP – 2 ft FRONT – 8 ft SIDES – 2 ft REAR – 1 ft DUCTING Manufacturers ducting must be used on this heater. Flagro part number THCP-WD12 (12” x 12 FT Hitex A MAXIMUM OF 12 FT OF DUCTING ONLY...
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Page 5: Maintenance
POWER SUPPLY INDICATOR LIGHT: The power supply indicator light will help detect any faulty power supplied to the heater such as; grounding issues, reverse polarity or missing/poor connections. Warning Light Indications Green Light ……………… Meets Power Requirements Solid Red Light………….. Reverse Polarity Solid Red &... -
Page 6: Start-Up Instructions
START UP INSTRUCTIONS: 1. Ensure the heater is provided with a gas supply of 7.0” W.C. 2. Open the gas supply. 3. Depress the fan switch to the “ON” position. The fan motor will start and air will be pushed through the outlet of the heater. 4. - Page 7 THC-85 SERIES TROUBLESHOOTING ANALYSIS PLEASE NOTE: In order to facilitate trouble shooting, unit panels have been removed in some of these pictures for ease of identification only. All panels and fasteners must be in place as provided by the manufacturer to ensure the safe and efficient operation of this gas fuelled appliance. PROBLEM: NO HEAT, FAN OPERATES.
- Page 8 PROBLEM: HEATER WILL NO LIGHT. POSSIBLE CAUSE: Gas Supply. Ensure required gas supply pressures are available to the heater. REMEDY: (see approval label for specifications). POSSIBLE CAUSE: Gas Valve / Solenoid. Ensure solenoid is energized. (use volt meter). REMEDY: Ensure plunder in solenoid is being activated. (use manometer at test point after solenoid). POSSIBLE CAUSE: Igniter / Flame Sensor Ensure the gap between the igniter and sensor is REMEDY:...
- Page 9 PROBLEM: HEATER WILL NOT REMAIN LIT AFTER START UP. POSSIBLE CAUSE: Faulty igniter wire. Check igniter wire for any damage. Replace is necessary. REMEDY: POSSIBLE CAUSE: Faulty igniter / flame sensor. Ensure connections are secure. Replace igniter / flame REMEDY: sensor if necessary.
- Page 10 PARTS LIST FOR THC-85N Part Number Part Description THCP-101 CAST IRON BURNER THCP-102 IGNITER/ FLAME SENSOR ASSEMBLY THCP-103 IGNITER WIRE THCP-104 120/24 VOLT TRANSFORMER THCP-105 GAS VALVE / SOLENOID - 24V THCP-106A IGNITION CONTROL - 120V THCP-107A WIRING HARNESS FOR THCP-106A...
- Page 11 ACCESSORIES THCP-WD12 WHITE DUCT 12" X 10FT THCP-DA12 DUCT ADAPTER THCP-DD DUCT DIFFUSER THCP-HD85 HEAT DIFFUSER THCP-TH THERMOSTAT KIT...