Integrated Gas Control (Igc) Board; Igc Connections - Carrier 48/50PG C03-14 Operation And Service Manual

Integrated Gas Control (IGC) Board

The IGC is provided on gas heat units. (See Fig. 42 and Table 25.)
The IGC controls the direct spark ignition system and monitors the
rollout switch, limit switch, and induced-draft motor Hall Effect
switch.
RED LED-STATUS
Fig. 42 − Integrated Gas Control (IGC) Board
Table 25 – IGC Connections
The IGC is equipped with an LED (light-emitting diode) for
diagnostics. See the Troubleshooting section for more information.
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