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
Rc
Y
W
G
R
C
TH6220D
Rc
Y
W
G
W2
Y2
R
C
TH6320U
Rc
Y
W
G
W2
Y2
R
C
MCR29437
TH6110D
Rc
Y
G
R
C
Rc
Y
G
Aux
E
L
R
C
TH6220D
Rc
Y
G
Aux
E
Y2
L
R
C
TH6320U
MCR29438
