Honeywell THP9045A - Step 2 Wire the Thermostat; Connecting Thermostat Wires; Conventional vs. Heat Pump Wiring

4
At your new thermostat, for each wire:
1. Loosen the screw, insert wire on inside edge
of thermostat terminal, then tighten screw.
2. Verify wire is firmly secured by gently
pulling on wire.
3. Repeat steps 1 and 2 for all wires.
a. Match the wires labeled R and W to
the R and W terminals.
b. Match the wire labeled Y to the C
terminal.
c. Match the wire labeled G to the K
terminal.
4. Push any excess wire back into the wall
opening after all wires are installed.
Note: The wiring for your application might be different from the wiring shown here.
Step 2 Wire the thermostat
Remove metal jumper
only if you have both R
and Rc wires
MCR35231
W2
GW
YR RcK
Y2
C
Y
HEAT PUMP
CONVENTIONAL
AUX/E
GO/B
YRRcK
L
C
G
W
R