Use and Care Manual

Page 2 of 6 507302-01Cmrcool.com
IMPORTANT SAFETY INFORMATION
For your safety, read the following before operating your
gas heating/electric cooling package unit:
1. The area around the unit must be kept clear and
free of combustible materials, gasoline, and other
2. This unit requires air for combustion and ventilation to
ensure both proper and safe operation. Combustion
air is brought in through the condenser section. Do
not block or obstruct the condenser coil or condenser
fan opening.
3. This unit is equipped with an ignition device which
automatically lights the burners. See OPERATING
YOUR UNIT on page 3 for information on lighting and
shutting down the unit.
4. Should the gas supply fail to shut off or if overheating
occurs, shut off the gas valve to the unit before
shutting off the electrical supply.
5. Do not use the unit if any part has been under water.
A flood-damaged unit is extremely dangerous.
inspect the unit and to replace all gas controls, control
system parts, electrical parts that have been wet, or
the unit if deemed necessary.
6. Examine the unit installation to determine that:
such as the vent hood, are clear and free of
obstructions.
B. Return air duct connection(s) is physically sound
and sealed to the unit casing.
C. Physical support of the unit is sound without
sagging, cracks, gaps, etc.
D. There are no obvious signs of deterioration of
the unit.
E. Burner flames are in good adjustment (see
Burner Flame beginning on page 6).
7. It is important that you conduct a physical inspection of
the unit at least twice a year. It is also recommended
agent at least once per year.
Failure to follow the safety warnings exactly could
result in dangerous operation, serious injury,
death, or property damage.
Improper servicing could result in dangerous
operation, serious injury, death, or property
damage.
• Before servicing, disconnect all electrical
power to unit.
• When servicing controls, label all wires prior
to disconnecting. Reconnect wires correctly.
• Verify proper operation after servicing.
OR EXPLOSION HAZARD
WARNING