Power Options; Terminal Designations - Honeywell PRO TH4000 Serie Guia De Instalacion

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

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
TH4110D
W Y G O Rc R B
MCR29273
REMOVE FACOTRY-
INSTALLED JUMPER
ONLY FOR TWO-
TRANSFORMER
SYSTEMS
C
INSERT BATTERIES FOR
PRIMARY OR BACKUP POWER
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
TH4210D
Aux Y G O L
3
PRO TH4000 Series
MCR29267
R B C
M29274
69-1928EFS—01