4
PT Series
1.0 Safety • Clearance to Combustibles
Clearance to Combustibles
Combustible items: Moving Objects:
• Wood • Overhead doors
• Paper • Vehicle lifts
• Fabric • Cranes
• Chemicals • Hoists
• Wall or roof insulation • Car wash equipment
• Rags or towels
When deciding on a location for the heater, the minimum clearances to combustibles must be maintained.
These distances are shown in Chart 1.1. If you are unsure of the potential hazards, consult your local Fire
Marshall, insurance carrier or other qualified authorities on the application of gas fired infrared heaters for
approval of the proposed location.
A critical safety factor to consider before placement is the clearances to combustibles. Clearance to
combustibles is defined as the minimum distance you must have between the infrared surface, or
reflector, and the combustible item. Considerations must also be made for moving objects around the
infrared heater. The following is a partial list of items to maintain clearances from:
Hazards:
For maximum safety the building must be evaluated for hazards before locating the heater system.
Examples include, but not limited to:
• Gas and electrical lines
• Combustible and explosive materials
• Chemical storage areas
• Areas of high chemical fume concentrations
• Provisions for accessibility to the heater
• Combustion and ventilating air supply
• Vehicle parking areas
• Dirty, contaminated environment
WARNING
Improperly connected gas line may result in serious injury or death, explosion, poisonous
fumes, toxic gases, asphyxiation. Connect gas lines in accordance to national, state,
provincial and local codes.
Placement of explosive objects, flammable objects, liquids and vapors close to the heater
may result in explosion, fire, property damage, serious injury or death. Do not store, or use,
explosive objects, liquids and vapor in the vicinity the heater.
Failure to comply with the published clearances to combustibles could result in personal
injury, death and/or property damage.
IMPORTANT! Locate the unit at least 10 feet away from canvas, tarpaulins or similar coverings and
secure such coverings to prevent ignition and interference with the heater. It is the responsibility of the
installer to ensure that building materials with a low heat tolerance, which may degrade at lower
temperature, are protected to prevent degradation.
(60 pages)
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