542933-UIM-D-0513
Johnson Controls Unitary Products 11
Indoor Control Wiring
A communicating furnace or air handler (denoted by a “-C” in the model number) will arrive with a
control outfitted for communication. The communicating indoor controls will have two communicat-
ing terminals. One will be a communicating plug input and the other will be a screw terminal (as
shown below in Figure 10).
FIGURE 10:
Communicating Indoor Controls
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