7
EDX
Series
2.0
Safety
•
Clearances to Combustibles
Clearances to Combustibles
Combustible/Degrading Items:
• Wood
• Paper
• Fabric
• Chemicals
• Paint
• Parked vehicles
• Gasoline
• Storage racks
• Plastics
• Flexible gas lines
A critical safety factor to consider before installation is the clearances to combustibles.
Clearance to
combustibles
is defined as the minimum distance you must have between the tube surface, or reflector, and
the combustible item. Considerations must also be made for moving objects around the radiant tube heater.
The following is a partial list of items from which to maintain clearances:
Moving Objects:
• Overhead doors
• Vehicles & vehicle lifts
• Cranes
• Hoists
• Trailers
WARNING
!
This is not an explosion proof heater!
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
vapors in the vicinity of the heater. Where there is the possibility of exposure to
flammable vapors or highly combustible materials, consult the local fire marshal,
fire insurance carrier, and other authorities for approval of the proposed installation.
WARNING
!
Fire Hazard.
Always maintain published clearances to combustibles. Failure to comply with
the stated clearances to combustibles may result in personal injury, property damage, and/or
death. Failure to mount the appliance level may result in personal injury, property damage,
and/or death.
When installing the radiant heating system, the minimum clearances to combustibles for your series radiant
tube heater and system configuration must be maintained. These distances are shown in Chart 2.1 on page 8,
and on the burner control box. If you are unsure of the potential hazards, consult your local fire marshal, fire
insurance carrier, or other qualified authorities on the installation of gas fired radiant tube heaters for approval
of the proposed installation.
In locations used for the storage of combustible materials, signs must be posted to specify the maximum
permissible stacking height to maintain the required clearances from the heater to the combustibles. Signs
must either be posted adjacent to the heater’s thermostat or in a conspicuous location.
The stated clearance to combustibles represents a surface temperature of 50°C (90°F) above room
temperature. Building materials with a low heat tolerance (such as plastics, vinyl siding, canvas, tri-ply, etc.)
may be subject to degradation at lower temperatures. It is the installer’s responsibility to assure that adjacent
materials are protected from degradation.
• Vehicles with lifts or cranes
• Storage areas with stacked materials
• Lights
• Sprinkler heads
• Overhead doors and tracks
• Dirty or contaminated environments
• Gas and electrical lines
• Combustible and explosive materials
• Chemical storage areas
• Areas of high chemical fume concentrations
• Provisions for accessibility to the heater
• Adequate clearances around air openings
• Combustion and ventilating air supply
• Vehicle parking areas
Common Hazards:
For maximum safety the building must be evaluated for hazards before installing the heating system.
Examples include, but are not limited to: