23
WIRING DIAGRAMS (Cont.)
Accessory Devices
The thermostat can control an accessory HVAC device like a
humidifier, dehumidifier, or ventilation device from its dry contact
ACC terminals (The ACC terminals do not provide 24V AC output).
If the accessory is internally powered, connect the 24V to ACC+. Also
connect the common for the accessory to common on the control
board.
Accessory Device Thermostat Terminals
Only needed if your accessory device is self-powered.
Note: You will need to congure the accessory device when you rst power
on your thermostat.
ACC-
ACC+
24V
C
A14505
Fig. 14 -- Accessory Device Connection
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