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If heating section is located downstream of a refrigeration system
or cooling coil, condensation can occur during operation of the air
conditioning, resulting in condensation from warm, moist air in
the heat exchanger tubes and flue collector. This condensate is not
harmful to the heat exchanger provided it is drained continuously.
FURNACE COMPONENT IDENTIFICATION
See Fig. 154 for rack system gas furnace components.
OPERATING AND SAFETY CONTROLS
The following controls are provided for the gas furnace rack
system:
Fig. 154 — Gas-Fired Rack Furnace Components
System/Ignition Control Module
Ignition controls are available having a number of different oper-
ating functions.
IMPORTANT: Refer to Sequence of Operation Sheet,
provided with heater documentation, for a detailed description
of the control features for the model control installed. This
documentation is located in the heater section, or contact your
Carrier service representative.
195
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