Honeywell FocusPRO TH5000 Series - Power Options; Terminal Designations; Wiring

FocusPRO
®
TH5000 Series
3 69-1922EFS—01
ENGLISH
M29370
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
Y2 Compressor contactor (stage 2)
-TH5320U only
G Fan relay
Aux Auxiliary heat relay*
E Emergency heat relay*
L Sends output when set to Em. Heat
C 24VACcommon
*Aux and E terminals combined on TH5320U only.
Wiring
Terminal designations
Shaded areas below apply only to TH5320U/TH5220D or as otherwise noted.
TH5110D
Rc
Y
W
G
R
C
TH5220D
RcYWGW2Y2 RC
TH5320U
RcYWGW2Y2 RC
TH5110D
Rc
Y
O/B
G
R
C
RcYGAuxELR
O
/
B
O
/
B
C
TH5220D
RcYGAux
E
Y2LRC
TH5320U
M29371