Flagro F-400T Operating Instructions Manual
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Flagro F-400T Operating Instructions Manual

Dual fuel construction heater
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OPERATING INSTRUCTIONS MANUAL
(Please retain for future reference)
For
F-400T DUAL FUEL CONSTRUCTION HEATER
CERTIFIED FOR USE IN CANADA AND U.S.A.
As per Standard ANSI Z83.7 2000/
CSA 2.14 2000 Gas Fired Construction Heaters Unvented/Unattended Type.
FLAGRO INDUSTRIES LIMITED
ST. CATHARNIES, ONTARIO
CANADA

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  • Page 1 OPERATING INSTRUCTIONS MANUAL (Please retain for future reference) F-400T DUAL FUEL CONSTRUCTION HEATER CERTIFIED FOR USE IN CANADA AND U.S.A. As per Standard ANSI Z83.7 2000/ CSA 2.14 2000 Gas Fired Construction Heaters Unvented/Unattended Type. FLAGRO INDUSTRIES LIMITED ST. CATHARNIES, ONTARIO...
  • Page 2 GENERAL HAZARD WARNING: FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS HEATER, CAN RESULT IN DEATH, SERIOUS BODILY INJURY AND PROPERTY LOSS OR DAMAGE FROM HAZARDS OF FIRE, EXPLOSION, BURN, ASPHYXIATION, CARBON MONOXIDE POISONING, AND/OR ELECTRICAL SHOCK. ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE INSTRUCTIONS SHOULD USE OR SERVICE THIS HEATER.

  • Page 3: Specifications

    ABOUT APPLICATIONS. Other standards govern the use of fuel gases and heat producing products in specific applications. Your local authority can advise you about these. SPECIFICATIONS Model Number F-400T Input 400,000 btuh Fuel Natural Gas or Propane Inlet Pressure Natural Gas: 3.5” W.C.

  • Page 4: Installation

    This heater must be located at least 10ft (3m) from any propane gas cylinder. This heater shall not be directed toward any propane gas container within 20ft (6m). CLEARANCE TO COMBUSTIBLES: F-400T TOP: 5 ft FRONT: 8 ft SIDES: 2 ft...
  • Page 5 PRESSURES: MAXIMUM INLET PRESSURES: LP: 14.0 IN. WC. NG: 14.0 IN. WC. MINIMUM INLET PRESSURES: LP: 11.0 IN. WC. NG: 3.5 IN. WC. This heater must be supplied by pressures indicated on the approval label. Over pressure may cause controls to fail. DO NOT supply this unit with more than ½...

  • Page 6: Maintenance

    MAINTENANCE: Every construction heater should be inspected before each use, and at least annually by a qualified service person. The hose assembly shall be visually inspected prior to each use of the heater. If it is evident there is excessive abrasion or wear, or the hose is cut, it must be replaced prior to the heater being put into operation.

  • Page 7: To Shut Down

    F-400T START UP INSTRUCTIONS: 1. Set fuel selector valve according to gas supply to be used 2. Connect construction heater to gas supply with approved hose assembly. 3. Plug the electrical cord into a 15 amp supply. 4. Open all gas supply valves.
  • Page 8 F-400T TROUBLESHOOTING ANALYSIS: PROBLEM: HEATER WILL NOT LIGHT Air switch improperly set. POSSIBLE CAUSE: Use centre adjusting screw to set REMEDY: air switch. Turn clockwise to increase sensitivity, turn counter clockwise to decrease sensitivity. Blockage in copper inlet tubes. POSSIBLE CAUSE: Disconnect tubes from air switch.
  • Page 9 Faulty Solenoid. POSSIBLE CAUSE: Ensure solenoid is energized. REMEDY: (use volt meter) Ensure plunger in the solenoid is being activated. (use manometer at test point after solenoid) (use volt meter) Incorrect Gas Supply. POSSIBLE CAUSE: Ensure required gas supply pressures REMEDY: are supplied to the heater.
  • Page 10 PROBLEM: HEATER WILL NOT REMAIN LIT AFTER START UP Faulty flamerod wire. POSSIBLE CAUSE: Check flamerod wire for any damage. REMEDY: Faulty flamerod POSSIBLE CAUSE: Ensure connections are secure. REMEDY: Replace flamerod if necessary. Ignition Board POSSIBLE CAUSE: Check ground wire for proper REMEDY: connection.

  • Page 11: High Limit

    F-400T – PARTS LIST 1/3 HP MOTOR REGULATOR (1/2 PSI) FAN BLADE S-400 S-401 S-402 PRESSURE ADJUSTMENT CAP FOR S-402 REG S.S. FILTER SCREEN FUEL SELECTOR VALVE S-402C S-402FS S-403 ¾” SOLENOID VALVE BURNER SOLENOID VALVE COVER S-404A S-405 200871-002...

  • Page 12: Main Relay

    F-400T – PARTS LIST IGNITION BOARD MAIN RELAY AIR PROVEN SWITCH S-415P S-412 S-414 WIRING HARNESS THERMOSTAT FRONT LEG S-415W S-416 S-418 6” RUBBER WHEELS ¾” PIPE CLAMP REAR SCREEN S-420 S-423 S-419 WHEEL KIT POWER CORD AIR SENSING TUBES...
  • Page 13 PARTS LIST FOR F-400T Part Number Part Description S-400 1/3 HP MOTOR S-401 FAN BLADE S-402 REGULATOR (1/2 pis) S-402FS S.S. FILTER SCREEN S-403 FUEL SELECTOR VALVE S-404A SOLENOID VALVE- 120V (CURRENT) S-405 BURNER S-406A FLAME ROD S-407A FLAME ROD WIRE...
  • Page 14 F-400T WIRING DIAGRAM 2010 ON/OFF HIGH LIMIT RELAY 120 VOLT FAN MOTOR GROUND MOMENTARY ON COIL THERMOSTAT AIR SWITCH FLAME ROD GROUND SOLENOID VALVE SPARK PLUG FENWAL IGNITION BOARD (POTTED CONTROL) FLAGRO INDUSTRIES LIMITED Note: If any of the origional wire as supplied with the appliance must be replaced it must be replaced with type 14g TEW wire or its equivalent.

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