Home > WHITE RODGERS > White Rodgers 1F85CA-0471 Blue Universal Thermostat Instruction Manual
White Rodgers 1F85CA-0471 Blue Universal Thermostat Instruction Manual
WIRING DIAGRAMS
Heat Pump Connections
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 configuration.
If you do not have a heat pump system, refer to figures 4-6.
Refer to equipment manufacturers’ instructions for specific
system wiring information.
You can configure the thermostat for use with the following
heat pump systems.
Figure 3 – Heat Pump Systems
Jumper
Jumper
L
W/E
O/B
Y
Y2
W2
G
RH
RC
C
NOTE: If your system does
not provide an E connection,
jumper W2 to W/E to use
the Auxiliary Heat in the
Emergency Mode.
System
Heat Mode
2nd Stage.
Emergency
Mode 2nd
Stage
O
Energized in
Cool Mode
Blower/
Circulator
No
Output
Heat Pump 1
(HP1)
Fan Energized
on Call for
Fault Indicator
or System
Malfunction
Switch
Heat and
Cool Mode
1st Stage
Optional*
24 Volt
(Com-
mon)
Emergency
Mode
1st Stage
24 Volt
24 Volt
(Hot)
Cool
Heat or Cool. (Hot)
Set Elect/Gas Heat
Option for
B
Heat Mode
3rd Stage.
Emergency
Mode 2nd
Stage
Energized in
Heat, Off,
Emergency
Mode
2nd
Stage
(Compressor)
Heat Pump 2
(HP2)
* Common connection
required for fault or
malfunction indication.
Emergency
Mode
(Com-
pressor)
System Malfunction
Module
NEUTRAL
120VAC
24VAC
HOT
CLASS II
TRANSFORMER
Single Stage and Multi-Stage Connections
Refer to equipment manufacturers’ instructions for specific
system wiring information.
This thermostat is designed to operate a single-transformer
or two-transformer system.
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 configuration.
You can configure the thermostat for use with the following
fossil fuel systems:
Figure 4 – Single Stage or Multi-Stage System (No Heat Pump) with Single Transformer
Jumper
L
O/B
W/E
W2
G
RH
C
Y
RC
Y2
System
Single
Stage 1
* Common connection
required for fault or
malfunction indication.
Blower/
Circulator
Fan Energized
on Call for
Cool (and
Heat if
O
Energized Constantly
in Cool Mode
No
Output
No Output
Fault
Indicator
or
(SS1)
Optional*
24 Volt
(Com-
mon)
Heat
Mode
1st Stage
24 Volt
(Hot)
Cool
24 Volt
(Hot)
Heat
Cool Mode
1st Stage
System
Malfunction
Switch
B
Energized Constantly
in Heat, Off,
Emergency
Mode
Multi-
Stage 2
(MS2)
Cool
Mode
2nd
Heat Mode
2nd Stage
configured
for Electric
Heat)
Stage
System Malfunction
Module
NEUTRAL
24VAC
HOT
120VAC
CLASS II
TRANSFORMER
Figure 5 – Single Stage or Multi-Stage System (No Heat Pump) with Two Transformers
Remove Jumper Wire
Jumper
between RH & RC
O/B
W/E
G
RH RC
L
Y
Y2
W2
C
System
Single
Stage 1
O
Energized Constantly
in Cool Mode
Blower/
Circulator
Fan Energized
on Call for
Cool (and
Heat if
No
Output
No Output
(SS1)
Optional
24 Volt
(Com-
mon)
Fault
Indicator
(NOT
24 Volt 24 Volt
(Hot) (Hot)
Heat Cool
Heat
Mode
1st Stage
Cool Mode
1st Stage
B
Energized Constantly
in Heat, Off,
Emergency
Mode
USED)
Cool
Mode
2nd
Multi-
Stage 2
(MS2)
Heat Mode
2nd Stage
configured
for Electric
Heat)
Stage
NEUTRAL
24VAC
HOT
120VAC
NEUTRAL
120VAC
24VAC
HOT
COOLING
CLASS II
TRANSFORMER
HEATING
CLASS II
TRANSFORMER
Figure 6 – 3-Wire (SPDT) Heat Only Zone Valve Wiring
Jumper
6
W
G
RH
C
Y
RC
System
Constant
24 Volt
(Com-
mon)
Single Stage
3-wire
24 Volt
(Hot)
Heat
(5)
Closes
Valve
(6)
Opens
Valve
(4)
24 Volt
(Hot)
Cool
Blower/Circulator
Fan Energized
Zone Valve
application
NEUTRAL
24VAC
HOT
120VAC
CLASS II
TRANSFORMER
3
| General | Details |
|---|---|
| Name | White Rodgers 1F85CA-0471 Blue Universal Thermostat Instruction Manual |
| Make | WHITE RODGERS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.37 MB |
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