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G,F Fan Fan G

Y,Y1 1st stage 1st stage cooling Y1

heating/cooling

Y2 2nd stage 2nd stage cooling Y2

heating/cooling

W,W1 1st stage heating O

W2 2nd stage heating W

W (on CLM products) 3rd stage heating W

emergency heat

O reversing valve O

humidiﬁer humidiﬁer D/H (note 1)

H (on CLM products) ClimaDry D/H (note 2)

dehumidiﬁer dehumidiﬁer D/H (note 2)

dry contact dry contact CK1 (note 3)

R,Rh,M,Vr,A power power R

C common common C

Installation Instructions

Wire Connections

If the terminal designations on your old thermostat do not match those on the

new thermostat, refer to the chart below or the wiring diagrams that follow.

Note 1 : set the AUX USE (setup step #32) to humidiﬁer. Also, set the HUM WITH HEAT ONLY

(setup step #37) as required

Note 2 : set the AUX USE (setup step #32) to dehumidiﬁer. Also, set the DEHUM WITH COOL ONLY

(setup step #37) as required

Note 3 : external device should switch CK1 to R to enable the function speciﬁed in DRY CONTACT USE

(setup step #29), default = FDD

Wire from the old

thermostat terminal

possibly marked

Function

(Heatpump)

Function

(Gas/Electric)

Install on

the new

thermostat

connector

marked

ClimateMaster AVB32V02R User Manual

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