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.
14501 Judicial Road, Suite 40
Burnsville, MN 55306
1-866-266-2484
www.flagrousa.com

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Summary of Contents for Flagro F-400T

  • 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. 14501 Judicial Road, Suite 40...
  • 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

    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 ……………………………………………………. 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 –...
  • Page 5 PRESSURES: MAXIMUM INLET PRESSURES: 14.0 IN. WC. 14.0 IN. WC. MINIMUM INLET PRESSURES: 11.0 IN. WC. 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 psig (14.0 in. W.C.) Note: A second stage regulator must be installed if the supply pressure exceeds ½...

  • Page 6: Maintenance

    MAINTENANCE: 1. Every construction heater should be inspected before each use, and at least annually by a qualified service person. 2. 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: Start-Up Instructions

    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 grounded electric supply. 4. Open all gas supply valves. 5.

  • Page 8: To Shut Down

    TO SHUT DOWN: 1. Close main gas supply valve while heater is operating. 2. Move main switch to the “OFF” position. 3. Disconnect heater from gas supply. - 8 -...
  • Page 9 F-400T TROUBLESHOOTING ANALYSIS PROBLEM POSSIBLE CAUSES REMEDY Heater will not light Air switch improperly set - use centre adjusting screw to set air switch. Turn clockwise to increase sensitivity, turn counter clockwise to decrease sensitivity. Blockage in copper inlet - disconnect tubes from switch. Use high...
  • Page 10 Gas supply - ensure required gas supply pressures are supplied to the heater (see approval label) Solenoid - ensure solenoid is energized (use volt meter) - ensure plunger in solenoid is being activated (use manometer at test point after solenoid) Spark Plug - ensure gap in spark plug is approx.
  • Page 11 Thermostat - ensure thermostat is calling for heat Heater will not remain lit after start up Faulty flamerod wire - check flamerod wire for any damage. Replace if necessary. Faulty flamerod -ensure connections are secure. Replace flamerod if necessary. Ignition board - check ground wire for proper connection - check polarity of extension cord compared to polarity of plug on the heater...
  • Page 12 Electrical All components - before replacing any component, all connections must be checked to ensure electrical circuit is complete. (Use volt meter and enclosed wiring diagram). - any point in the circuit where 120v is not achieved indicates location of problem and/or possible faulty component.
  • Page 13 - 13 -...

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