Temp-Heat THP-400A Installation And Service Manual Download Page 23 | Manualshive

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Summary of Contents for THP-400A

Page 1: ...4 Rating Information 5 Control Functions 6 Fuel Supply System Bulk Tank System 7 Natural Gas Installations 8 Set Up 8 Preliminary Start Up Steps 9 Control Vestibule Layouts 10 Start Up Steps 12 Shut...

Page 2: ...THP 400A THP 500A and THP 550 Installation and Service Manual...

Page 3: ...ade of our heaters 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 application...

Page 4: ...ed fresh air heaters used to provide heat for buildings under Class B furnaces as defined by NFPA 86 standard for ovens and furnaces The area of fresh air required for safe operation must be equal to...

Page 5: ...1 4 4 1 2 4 Inlet Pressure Propane Gas maximum psig 10 10 10 Electrical Requirements voltage hertz phase amps 115 60 1 20 115 60 1 20 115 60 1 20 Dimensions l x w x h in 50 x 26 x 48 58 x 28 x 53 56 x...

Page 6: ...event the burner fails to ignite Pre set at 40 F this control shuts the blower down if the temperature through the unit drops below this setpoint Manual Bypass Switch Over rides automatic shut down of...

Page 7: ...st have a first stage regulator located at the tank or vaporizer to reduce the tank pressure to the 10 psi needed to supply unit A vaporizer may be necessary especially on multiple heater installation...

Page 8: ...s Maintain a maximum voltage differential of plus or minus 10 while unit is running Do not move handle or service heater while hot running or connected to power supply Check for gas leaks and proper f...

Page 9: ...d water Do not operate unit if leaks are present Determine that unit is drawing 100 fresh outside air through its intake grill Check for proper electrical connections and supply voltage Check that the...

Page 10: ...THP 400A THP 500A and THP 550 Installation and Service Manual THP 400A Vestibule Layout Control Vestibule Layout THP 500A Vestibule Layout...

Page 11: ...11 TEMP HEAT Control Vestibule Layout THP 550 Vestibule Layout...

Page 12: ...ontrol settings high temperature limit switch 270 F low temperature limit switch 40 F 7 Turn blower and burner switches to the ON position For units equipped with electronic low temperature limit cont...

Page 13: ...per operation of vaporizer Contact your gas company for further information on safe handling of propane vaporizers Allow heater to run until flame safety light goes ON indicating that all gas has been...

Page 14: ...itch LI 01 low temperature light ST 01 motor starter TS 11 room override thermostat LI 02 burner reset light SW 06 burner switch VA 01 main gas valve MT 01 supply blower motor SW 07 blower switch VA 0...

Page 15: ...minal 5 Terminal 7 receives power through the burner switch SW 06 Terminal 8 receives power from Terminal 7 through the supply fan motor starter With proper airflow through unit Terminal 8 supplies po...

Page 16: ...U 02 control fuse SN 02 flame rod TS 01 discharge air sensor VA 02 2nd main gas valve LI 01 low temp fuse ST 01 supply fan motor starter 28 TS 04 high temp limit switch VA 03 pilot gas valve LI 02 fla...

Page 17: ...ugh Tip Over Switch Terminal 7 receives power through the burner switch SW 06 Terminal 8 receives power from Terminal 7 through the supply fan motor starter With proper airflow through unit Terminal 8...

Page 18: ...ST 01 motor starter TS 08 remote discharge temperature LI 01 low temperature light SW 06 burner switch TS 11 room override thermostat LI 02 burner reset light SW 07 blower switch VA 01 main gas valve...

Page 19: ...s power from Terminal 6 through the burner switch SW 06 Terminal 8 receives power from Terminal 7 through the supply fan motor starter With proper airflow through unit Terminal 9 supplies power to Ter...

Page 20: ...er voltage and wiring is in good condition the motor is defective and must be replaced Blower runs burner does not ignite Burner switch not in ON position Turn ON Defective burner switch With burner s...

Page 21: ...does not stay lit Spark rod defective Turn blower and burner switches OFF Check spark rod gap and condition Carefully inspect porcelain insulator for cracks or moisture Replace if necessary Insufficie...

Page 22: ...lace spark electrode if defective Air Flow Control Setting control 1 Turn ON OFF switch to ON 2 With unit operating at high fire turn adjust ing screw clockwise until burner goes OFF 3 Turn adjusting...

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Page 24: ...79 Detroit MI 800 678 1488 fax 248 526 9527 Kansas City MO 800 430 0523 fax 816 471 7774 Minneapolis MN 800 836 7432 fax 952 707 5104 Newark DE 800 656 6000 fax 302 369 8022 Salt Lake City UT 801 328...

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