transformer.
Wiring
NOTES:
1. Available wiring configurations differ by product models/product numbers.
2. Use 18- to 22- gauge thermostat wire. Shielded cable is not required.
3. Set the R Slider Tab on the UWP to the up position (1 wire) for 1 transformer systems or the down position (2
wires) for 2 transformer systems. See “Setting Slider Tabs” on page 4.
4. Set the U Slider Tab to the up position (1 wire) for non-powered ventilation or the down position (2 wires) for
powered ventilation. See “Setting Slider Tabs” on page.
Conventional systems
1H/1C System (1 transformer)
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor
C 24VAC common
W Heat relay
G Fan relay
1H/1C System (2 transformers)
R Power (heating transformer)
Rc Power (cooling transformer)
To Next Page
Loading...
