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
TH1100DH
W C
M34699
TH2210DV/TH1210DV:
B
O
G
Y
Aux/E Auxiliary heat relay
C
R
TH2210DV/TH1210DV
B
O
R
M34800
3
PRO TH2000DV/TH1000DV Series
INSERT BATTERIES FOR
PRIMARY OR BACKUP POWER
M34673
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—01