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Step 7. Connect Wires to New Wallplate (Cont)
1
M22050
If wires will be connected to both RC and R on the new
thermostat, remove metal jumper between R
C and R. Leave
metal jumper in place if only one of the terminals, R
C or R, will
be connected on the new thermostat.
If wires were connected to both R and RH terminals on the old
thermostat, remove metal jumper between R
C and R on the new
thermostat. Connect the old R to the new R
C and the old RH to
the new R.
Do not connect both O and B when wiring to a heat pump.
Connect O to O/B W. Wrap the bare end of the B wire with
electrical tape and do not use.
Transformer common. Wrap the bare end of the wire with
electrical tape and do not use.
2
3
4
NOTES
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