3
I-RX-RG-RPV (09-19) PN1027501R0
GENERAL INFORMATION
This unit has been tested for capacity and efficiency so as to provide many years of safe and dependable comfort
providing it is properly installed and maintained. With regular maintenance, this unit will operate satisfactorily year
after year. Abuse, improper use, and/or improper maintenance can shorten the life of the appliance and create
unsafe hazards.
To achieve optimum performance and minimize equipment failure, it is recommended that periodic maintenance
be performed on this unit. The ability to properly perform maintenance on this equipment requires certain tools and
mechanical skills.
Installation should be done by a qualified agency in accordance with the instructions in this manual and in compliance
with all codes and requirements of authorities having jurisdiction.
Important Safety Information
Please read all information in this manual thoroughly and become familiar with the capabilities and use of your
appliance before attempting to operate or maintain this unit. Pay attention to all dangers, warnings, cautions, and
notes highlighted in this manual. Safety markings should not be ignored and are used frequently throughout to
designate a degree or level of seriousness.
DANGER: A danger statement describes a potentially hazardous situation that if not avoided, will result in severe
personal injury or death and/or property damage.
WARNING: A warning statement describes a potentially hazardous situation that if not avoided, can result in severe
personal injury and/or property damage.
CAUTION: A caution statement describes a potentially hazardous situation that if not avoided, can result in minor
or moderate personal injury and/or property damage.
NOTE: A note provides important information that should not be ignored.
⚠ DANGER ⚠
Improper installation, adjustment, alteration, service, or maintenance can cause property damage,
injury, or death. Read the installation, operation, and maintenance instructions thoroughly before
installing or servicing this equipment.
⚠ WARNING ⚠
• Gas-fired appliances are not designed for use in hazardous atmospheres containing flammable
vapors, combustible dust, or chlorinated or halogenated hydrocarbons or in applications with
airborne silicone substances.
• To ensure safety, follow the lighting instructions located on the outlet box cover.
• These duct furnaces are not certified or approved for use in drying or process applications. If a
duct furnace is to be used in a drying or process application, contact the factory for application
guidelines and manufacturer’s authorization. Without factory authorization, the warranty is void,
and the manufacturer disclaims any responsibility for the duct furnace and/or the application.
Warranty
Refer to the limited warranty information on the warranty card in the owner’s envelope. The warranty is void if:
a. Furnaces are used in atmospheres containing flammable vapors or atmospheres containing chlorinated or
halogenated hydrocarbons or any contaminant (silicone, aluminium oxide, etc.) that adheres to the spark
ignition flame sensing probe on furnaces equipped with optional spark pilot.
b. Wiring is not in accordance with the diagram furnished with the heater.
c. Unit is installed without proper clearances to combustible materials (refer to Clearances section) or without
proper ventilation and air for combustion (refer to Combustion Air Requirements section).
d. Furnace air throughput is not adjusted within the range specified on the rating plate.
e. Duct furnace is installed in a process or drying application without factory authorization. Any use in a process
or drying application voids agency certification.
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