Power Options; Wiring Terminal Designations - Honeywell FocusPRO TH6000 Series Installation Manual

Power options

Keep wires in this
shaded area
Wiring
Terminal designations
Shaded areas below apply only to
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.
TH6110D
G W C Y R Rc
TH6220D
Y2 W2 G W C
TH6320U
Y2 W2 G W C
Remove factory-
installed jumper
only for two-
transformer
systems.
TH6320U/TH6220D
Y R Rc
Y R Rc
MCR29437
FocusPRO
Insert batteries for primary
or backup power.
Connect C for primary AC power
(optional if batteries are installed).
or as otherwise noted.
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
Fan relay
G
Aux Auxiliary heat relay*
E Emergency heat relay*
L Sends output when set to Em. Heat
C 24VAC common
TH6110D
G C Y R Rc
TH6220D
L E Aux G C
TH6320U
L Y2 Aux G C
E
*Aux and E terminals combined on
3
TH6000 Series
®
MCR29436
only
Y R Rc
Y R Rc
MCR29438
TH6320U only.
69-1920EFS—01