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OPERATING INSTRUCTIONS FOR THE “Hot Box”
RED DRAGON CH 220, CH 225 and CH 250 CONSTRUCTION HEATERS
Note: Unpack and inspect for damage. Retain this information sheet for future reference after reading thoroughly.
FOR YOUR SAFETY…
DO NOT use this heater in a space where gasoline or other liquids
having flammable vapors are stored or used.
Always
• Inspect heater prior to each use, and at least annually by a qualified service person.
• Visually inspect the hose assembly before each use of the heater for evidence of excessive abrasion, wear
or cuts. Replace hose assembly if any of these conditions exist.
• Read instruction plate located on heater cabinet.
• Follow procedures step by step.
• Use soapy water to check all connections for gas leaks prior to use.
WARNING
Temperatures at the base of heater may ignite combustible materials.
Use only on NONCOMBUSTIBLE floors.
Caution
• Use only on noncombustible floors.
• This heater is designed for indoor use when, and only when adequate ventilation is provided.
• For safety this heater is equipped with a thermocouple, safety control valve and preset regulator.
• Do not operate this heater without these items properly installed and in working condition.
• Heater must set level and comply with minimum clearances as stated on operating instructions.
• Keep fuel containers at least 10 feet from heater.
• Cylinders with 100 pound capacities are recommended for peak performance.
• Do not move, handle, or service heater while it is in operation or still hot from use.
• Using soapy water, check all connections for gas leaks and test function of all moving parts.
• Perform these checks and tests prior to initial use and each time the unit is relocated.
• Follow safety, maintenance, and operating instructions packaged with heater.
• This unit is not intended for heating living quarters except that which is under new construction or
repairs, and then only on a noncombustible surface and in an area which is properly ventilated.
• Installation must comply with all applicable codes.
Curing the Paint
• The finish on your Red Dragon Construction Heater is designed to withstand high temperature. Prior to
initial use, this finish should be cured as described below. Because the curing procedure may cause
smoke or odor, we suggest it be conducted outdoors and away from flammable materials.
• Locate operating instructions on heater cabinet.
• Read operating instructions.
• Start the heater and adjust the control valve to a low volume.
• Gradually open the control valve to full capacity.
• After 10 to 15 minutes or when all smoke and odor have disappeared, close LP-gas cylinder valve and
allow gas to burn out of system.