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Step 8. Attach the base of PCT503 to the wall
Bundle and insert the wires through the hole of the thermostat base, then
attach the base to the wall with the screws.
Step 9. Attach the tags
Attach the tags provided(label 2 Thermostat) to the wires as shown below:
R/RC/RH
→
RC G
→
C Y
→
S
Y/Y1
G
RH
s
C
W/W1