Flagro F-1500T Dual Fuel Construction Heater Instruction Manual

: June 17, 2024
: Flagro

Table of Contents

Flagro F-1500T Dual Fuel Construction Heater
Product Information
Product Usage Instructions
FAQ
INSTALLATION
CLEARANCE TO COMBUSTIBLES
CONNECTING THE CYLINDER
ELECTRICAL
MAINTENANCE
START-UP INSTRUCTIONS
TO SHUT DOWN
F-1500T TROUBLESHOOTING ANALYSIS
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Flagro F-1500T Dual Fuel Construction Heater

Flagro-F-1500T-Dual-Fuel-Construction-Heater-product

Product Information

Specifications

Model: F-1500T
Input: 650,000 to 1,500,000 btuh
Fuel: Natural Gas or Propane
Inlet Pressure:
- Natural Gas: 9.0 W.C.
- Propane: 11 W.C.
Ignition: Direct Spark Ignition
Thermostat Control
Air Circulation: 7000 cfm
Fuel Consumption: 69 lbs/hr or 1428 cfh
Approved: cULus listed

Installation

Product Usage Instructions

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. If you need assistance or heater information such as an instructions manual, labels, etc., contact the manufacturer. 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.

Intended Use

The intended use of this heater is primarily the temporary heating of buildings under construction, alteration, repair, or emergencies only. Always provide adequate ventilation. 1 sq. in. of fresh air must be supplied for every 1000 BTUH of heat. This heater shall be installed such that it is not directly exposed to water spray, rain, and/or dripping water.

FAQ

Q: Can I use this heater in my home or recreational vehicle?

A: No, this heater is not intended for home or recreational vehicle use.

Q: What is the fuel consumption of this heater?

A: The fuel consumption is 69 lbs/hr or 1428 cfh.

INSTALLATION

The installation of this heater for use with natural gas shall conform with local codes or, in the absence of codes, with the National Fuel Gas Code ANSI Z223.1/NFPA 54 and the Natural Gas and Propane Installation Code, CSA B149.1.
The installation of this heater for use with propane tank or cylinder shall conform with Local codes or, in the absence of local codes, with the Standard for the Storage and Handling of Liquefied Petroleum Gases, ANSI/NFPA 58 and the Natural Gas and Propane Installation Code, CSA B149.
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

CONNECTING THE CYLINDER

If cylinders are used to supply the heater, no cylinders smaller than 100lb capacity shall be used. These cylinders must supply a vapor withdrawal only.

All cylinder connections must be made using a wrench to tighten the POL fitting.
Be sure that the cylinder valve is in the closed position when connecting or disconnecting the cylinder.
A soap and water solution must be applied to all connections in order to leak-check the system.

The gas must be turned off at the propane supply cylinder(s) when the heater is not in use. When the heater is to be stored indoors, the connection between the propane supply cylinder(s) and the heater must be disconnected and the cylinders removed from the heater and stored in accordance with Standard for the Storage and Handling or Liquefied Petroleum Gases, ANSI/NFPA 58 and CSA B149.1, Natural Gas and Propane Installation Code.

PIPING

This heater must be installed by a qualified gas technician following local codes published by the authority having jurisdiction. The sizing of supply piping must be determined using the length of the pipe run as well as the total btuh rating of the appliance(s). Appropriate piping tables must be used to determine size of supply piping depending on the length of run from the source.

PRESSURES: MAXIMUM INLET PRESSURES

LP: 14.0 IN. WC. NG: 14.0 IN. WC. MINIMUM INLET PRESSURES:

LP: 11.0 IN. WC. NG: 9.0 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 psig.

FUEL

This heater will operate on propane or natural gas. The manifold pressures are listed on the approval label. Ensure that the proper pressure settings are achieved depending on the fuel being used. A fuel selector valve is located on the manifold of the heater. Ensure that this valve is in the proper position depending on the fuel being used. DO NOT operate the heater with the valve in the incorrect position.

HOSES

All hoses used to connect this heater of fuel supply must be Type 1 approved propane / natural gas hose assemblies.

ELECTRICAL

WARNING
Electrical Grounding

This appliance is equipped with a three-prong (grounding) plug for your protection against shock hazards and should be plugged directly into a properly grounded three-prong receptacle.
120v supply must be available. Please note that the motor on this unit requires 20 amps. Ensure an appropriate gauge extension cord is used.

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. The replacement hose assembly shall be that specified by the manufacturer.
The appliance must be kept clear and free from combustible materials, gasoline, and other flammable vapors and liquids.
The flow of combustion and ventilation air must not be obstructed. Be sure to check the fan assembly and ensure that the motor and blade are operating properly.
Compressed air should be used to keep components free of dust and dirt buildup. Note: Do not use the compressed air inside any piping or regulator components.