Power open hot water zone valve
Two wire powered humidifier, dehumidifier, ventilator
Single wire non-powered humidifier, dehumidifier, ventilator, or
dehumidification with low speed fan
* The TH8732WFH5004 requires a common wire, does not use a battery and does not have the level pictured.
C
Common wire (optional)*
W
Heat relay
R
Power
U1
IAQ relay
U2
IAQ relay
U1
IAQ relay
10
Notes
• Thermostat C wire
is optional for this
application. C wire required
if Homekit is used.*
• Set the R Jumper Switch
on the wall plate to R
Notes
• Set the Jumper
Switch on the wall plate to
2 Wire
Notes
• Set the Jumper Switch on
the wall plate to 1 Wire