Power options
REMOVE FACTORY-INSTALLED JUMPER
ONLY FOR TWO-TRANSFORMER SYSTEMS
KEEP WIRES IN
THIS SHADED AREA
Wiring
Terminal designations
TH2110DV/TH1110DV:
B
Changeover valve energized in
heating
O
Changeover valve energized in cooling
G
Fan relay
Y
Compressor contactor
W
Heat relay
C
24 Vac common. For 2-transformer
systems, use common wire from
cooling transformer.
R
24 Vac power from heating
transformer
Rc
24 Vac power from cooling
transformer
TH2110DV/
TH1110DV
O
G
Y
W
C
TH1100DV:
W
Heat relay
C
24 Vac common
R
24 Vac power
RC
R
CONNECT C FOR PRIMARY
C
AC POWER (OPTIONAL IF
BATTERIES ARE INSTALLED)
W
Y
G
O
TERMINAL
B
BLOCK SHOWN
R
Rc
M32808B
TH1100DV
W C
M34800A
PRO TH2000DV/TH1000DV Series
M34699A
TH2210DV/TH1210DV:
B
O
G
Y
Aux/E Auxiliary heat relay
C
R
TH2210DV/TH1210DV
B
O
R
3
INSERT BATTERIES FOR
PRIMARY OR BACKUP POWER
ELECTRIC
OR HEAT PUMP
GAS OR OIL
Changeover valve energized in
heating
Changeover valve energized in
cooling
Fan relay
Compressor contactor
24 Vac common
24 Vac power
Not
G
Y
Aux/
C
R
Used
E
M32809B
69-2800EFS—03
M34673A