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Les langues disponibles
Power options
KEEP WIRES IN
THIS SHADED AREA
TH4110D TERMINAL
BLOCK SHOWN
CONNECT C FOR PRIMARY
AC POWER (OPTIONAL IF
BATTERIES ARE INSTALLED)
Wiring terminal designations
W
Y
G
O
Rc
R
B
TH4110D
C
24 Vac common. For 2-transformer
systems, use common wire from
cooling transformer.
B
Changeover valve energized in heating
R
24 Vac power from heating transformer
Rc
24 Vac power from cooling transformer
O
Changeover valve energized in cooling
G
Fan relay
Y
Compressor contactor
W
Heat relay
REMOVE FACOTRY-
INSTALLED JUMPER
ONLY FOR TWO-
TRANSFORMER
SYSTEMS
C
INSERT BATTERIES FOR
PRIMARY OR BACKUP POWER
Aux
Y
G
O
L
TH4210D
C
24 Vac common
B
Changeover valve energized in heating
R
24 Vac power
L
Sends output when set to Em. Heat
O
Changeover valve energized in cooling
G
Fan relay
Y
Compressor contactor
Aux
Auxiliary heat relay
E
Emergency heat relay
2
R
B
C
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