Honeywell TH6320U Thermostat User Manual


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FocusPRO
®
TH6000 Series
3 69-1920EFS—01
ENGLISH
MCR29436
Power options
Keep wires in this
shaded area
Connect C for primary AC power
(optional if batteries are installed).
Insert batteries for primary
or backup power.
Remove factory-
installed jumper
only for two-
transformer
systems.
Conventional Terminals:
Rc 24VACpowerfromcooling
transformer
R 24VACpowerfromheating
transformer
W Heat relay (stage 1)
W2 Heat relay (stage 2)
Y Compressor contactor (stage 1)
Y2 Compressor contactor (stage 2)
G Fan relay
C 24VACcommon.For2transformer
systems,usecommonwirefromcooling
transformer.
Heat Pump Terminals:
Rc 24VACpowerfromcooling
transformer
R 24VACpowerfromheating
transformer
O/B Changeover valve
Y Compressor contactor (stage 1)
Y2 Compressor contactor (stage 2)
-TH6320U only
G Fan relay
Aux Auxiliary heat relay*
E Emergency heat relay*
L Sends output when set to Em. Heat
C 24VACcommon
Wiring
Terminal designations
Shaded areas below apply only to TH6320U/TH6220D or as otherwise noted.
*Aux and E terminals combined on TH6320U only.
TH6110D
RcYWGRC
TH6220D
RcYWGW2Y2 RC
TH6320U
RcYWGW2Y2 RC
MCR29437
TH6110D
RcYGRC
RcY
GAuxELRC
TH6220D
RcYGAux
E
Y2LRC
TH6320U
MCR29438
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