White Rodgers 1F85CA-0471 Instruccion De Instalación
3
WIRING DIAGRAMS
Heat Pump Connections
If you do not have a heat pump system, refer to fi gures 4-6.
Refer to equipment manufacturers’ instructions for specifi c
system wiring information.
You can confi gure the thermostat for use with the following
heat pump systems.
If you do not have a heat pump system, refer to fi gures 4-6.
Refer to equipment manufacturers’ instructions for specifi c
system wiring information.
You can confi gure the thermostat for use with the following
heat pump systems.
Figure 3 – Heat Pump Systems
HEAT PUMP TYPE 1 (HP 1). Single stage compressor
system; gas or electric backup.
HEAT PUMP TYPE 2 (HP 2). Multi-stage compressor or two
compressor system with gas or electric backup.
After wiring, see INSTALLER CONFIGURATION section for
proper thermostat confi guration.
system; gas or electric backup.
HEAT PUMP TYPE 2 (HP 2). Multi-stage compressor or two
compressor system with gas or electric backup.
After wiring, see INSTALLER CONFIGURATION section for
proper thermostat confi guration.
NOTE: If your system does
not provide an E connection,
jumper W2 to W/E to use
the Auxiliary Heat in the
Emergency Mode.
* Common connection
required for fault or
malfunction indication.
Heat Pump 2
(HP2)
Heat Pump 1
(HP1)
O
Energized in
Cool Mode
B
Energized in
Heat, Off,
Emergency
Mode
2nd
Stage
(Com-
pressor)
No
Output
Heat and
Cool Mode
1st Stage
(Compressor)
Blower/
Circulator
Fan Energized
on Call for
Heat or Cool.
Set Elect/Gas
Option for
Emergency
Mode
Heat Mode
2nd Stage.
2nd Stage.
Emergency
Mode 2nd
Stage
Heat Mode
3rd Stage.
Emergency
Mode 2nd
Stage
Emergency
Mode
1st Stage
Optional*
24 Volt
(Com-
mon)
Fault Indicator
or System
Malfunction
Switch
24 Volt
(Hot)
Cool
System
Y
W/E
C
L
RC
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
24 Volt
(Hot)
Heat
Heat
RH
Jumper
Y2
W2
G
Jumper
Comfort Alert II Module
or Similar System
Malfunction Module
O/B
Single Stage and Multi-Stage Connections
Refer to equipment manufacturers’ instructions for specifi c
system wiring information.
This thermostat is designed to operate a single-transformer
or two-transformer system.
You can confi gure the thermostat for use with the following
fossil fuel systems:
Refer to equipment manufacturers’ instructions for specifi c
system wiring information.
This thermostat is designed to operate a single-transformer
or two-transformer system.
You can confi gure the thermostat for use with the following
fossil fuel systems:
SINGLE STAGE (SS 1) gas, oil or electric.
MULTI-STAGE (MS 2) gas, oil or electric.
After wiring, see INSTALLER CONFIGURATION section for
proper thermostat confi guration.
MULTI-STAGE (MS 2) gas, oil or electric.
After wiring, see INSTALLER CONFIGURATION section for
proper thermostat confi guration.
Figure 4 – Single Stage or Multi-Stage System (No Heat Pump) with Single Transformer
* Common connection
required for fault or
malfunction indication.
Single
Stage 1
(SS1)
Multi-
Stage 2
(MS2)
O
Energized Constantly
in Cool Mode
B
Energized Constantly
in Heat, Off,
Emergency
Mode
No
Output
Cool
Mode
2nd
Stage
Cool Mode
1st Stage
Blower/
Circulator
Fan Energized
on Call for
Cool (and
Heat if
configured
for Electric
for Electric
Heat)
No Output
Heat Mode
2nd Stage
Heat
Mode
1st Stage
Optional*
24 Volt
(Com-
mon)
24 Volt
(Hot)
Cool
System
Y
G
W/E
C
L
RC
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
24 Volt
(Hot)
Heat
Heat
RH
Y2
W2
Jumper
Fault
Indicator
or
System
Malfunction
Switch
Comfort Alert II Module
or Similar System
Malfunction Module
O/B
Figure 5 – Single Stage or Multi-Stage System (No Heat Pump) with Two Transformers
Single
Stage 1
(SS1)
Multi-
Stage 2
(MS2)
No
Output
Cool
Mode
2nd
Stage
Cool Mode
1st Stage
Blower/
Circulator
Fan Energized
on Call for
Cool (and
Heat if
configured
for Electric
for Electric
Heat)
No Output
Heat Mode
2nd Stage
Heat
Mode
1st Stage
Optional
24 Volt
(Com-
mon)
Fault
Indicator
(NOT
USED)
24 Volt
(Hot)
Cool
System
Y
G
W/E
C
L
RC
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
24 Volt
(Hot)
Heat
Heat
RH
120VAC
Remove Jumper Wire
between RH & RC
between RH & RC
HOT
24VAC
NEUTRAL
CLASS II
TRANSFORMER
HEATING
COOLING
Y2
W2
Jumper
O/B
O
Energized Constantly
in Cool Mode
B
Energized Constantly
in Heat, Off,
Emergency
Mode
Single Stage
3-wire
Zone Valve
application
Blower/Circulator
Fan Energized
Opens
Valve
(4)
Constant
24 Volt
(Com-
mon)
24 Volt
(Hot)
Cool
System
6
Y
W
C
RC
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
24 Volt
(Hot)
Heat
Heat
(5)
RH
G
Jumper
Closes
Valve
(6)
Figure 6 – 3-Wire (SPDT) Heat Only Zone Valve Wiring