Applications; No Heat Pump (Ss1); Single Stage; Multi Stage - White Rodgers 1F95EZ-0671 Installation And Operating Instructions Manual

WIRING DIAGRAMS

Figure 2 – Single Stage or Multi-Stage System (No Heat Pump)
L
O/B
System
O
Single
Diagnostic
Energized Constantly
Stage 1
Indicator
in
(SS1)
Input
Cool Mode
Cool Mode
or
1st Stage
System
B
Multi-
Malfunction
Energized Constantly
Stage 2
Switch
in Heat, Off,
(MS2)
Input
Emergency
Mode
Comfort Alert II Module
or Similar System
Diagnostic Module
See Module Instructions
for details
* Common connection required for diagnostic or malfunction indication.
Figure 3 – Single Stage or Multi-Stage System (No Heat Pump)
L
System
Single
Energized Constantly
Stage 1
(SS1)
Diagnostic
Cool Mode
Indicator
(Optional)
Multi-
Energized Constantly
Stage 2
in Heat, Off,
(MS2)
Emergency
NEUTRAL
120VAC 24VAC
HOT
HEATING
CLASS II
TRANSFORMER
* Common connection required for diagnostic or malfunction indication.
Figure 4 – Heat Pump Systems
L Y
O/B
System
O

Heat Pump 1

Energized in
(HP1)
Cool Mode
Diagnostic
Heat and
Indicator
Cool Mode
B
or System
1st Stage
Heat Pump 2
Malfunction Energized in
(Compressor)
Switch Heat, Off,
(HP2)
Emergency
Mode
Comfort Alert II Module
or Similar System
Diagnostic Module
See Module Instructions
for details
* Common connection required for diagnostic or malfunction indication.
+ Dual Fuel option, if selected turns off compressor(s) when Auxiliary stages energize.
Figure 5 – 3-Wire (SPDT) Heat Only Zone Valve Wiring
6 W
Y
System

Single Stage

3-wire
Closes Opens
Zone Valve
Valve Valve
application
(6) (4)
with Single Transformer
W2 G
Y Y2 W/E
Blower/
Circulator
No Output
No
Fan Energized
Heat
24 Volt
Output
on Call for
Mode
(Hot)
Cool (and
1st Stage
Heat
Heat if
Cool
Heat Mode
configured
Mode 2nd Stage
for Electric
2nd
Heat)
Stage
with Two Transformers
O/B Y Y2 W/E W2
O
No Output
in
No
Heat
Output
Cool Mode
Mode
1st Stage 1st Stage
B
Cool Heat Mode
Mode 2nd Stage
2nd
Stage
Mode
W2
Y2 + W/E +
Heat Mode - 2nd Heat Mode - 3rd
Stage, Emergency Stage, Emergency
Mode - 1st Stage Mode - 2nd Stage
Blower/
+ Note: Dual Fuel option + Note: Dual Fuel option
No Circulator Fan
de-energizes Heat mode
de-energizes Heat mode
Output
Energized on
stage 1 (compressor) stage 1 (compressor)
when auxiliary heat
when auxiliary heat
Call for Heat
is energized is energized
or Cool.
Heat Mode - 3rd Heat Mode-4th
2nd Set Elect/Gas
Stage, Emergency Stage. Emergency
Stage Option for
Mode - 1st Stage Mode - 2nd Stage
Emergency
(Com-
+ Note: Dual Fuel option + Note: Dual Fuel option
de-energizes Heat mode de-energizes Heat mode
mode
pressor)
stage 1 (compressor)
stage 1 (compressor)
when auxiliary heat when auxiliary heat
is energized is energized
Jumper
G RH RC C
Constant
Blower/Circulator 24 Volt 24 Volt
24 Volt
Fan Energized (Hot)
(Hot)
(Com-
Cool
Heat
mon)
(5)
Jumper
RH C 6
RC
Optional*
24 Volt
24 Volt
(Hot)
(Com-
Cool
mon)
NEUTRAL
24VAC 120VAC
HOT
CLASS II
TRANSFORMER
Remove Jumper Wire
Jumper between RH & RC
G RH RC
C
Blower/
Circulator
Fan Energized
24 Volt 24 Volt Optional*
on Call for
(Hot) (Hot) 24 Volt
Cool (and
Heat Cool (Com-
Heat if
mon)
configured
for Electric
Heat)
NEUTRAL
24VAC
HOT
CLASS II
TRANSFORMER
Jumper
G RH RC C 6
Optional*
24 Volt 24 Volt
24 Volt
(Hot) (Hot)
(Com-
Heat Cool
mon)
NEUTRAL
24VAC
HOT
CLASS II
NEUTRAL
120VAC
24VAC
HOT
CLASS II
TRANSFORMER
Single Stage, Multi-Stage and Heat
Pump 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 systems:
SINGLE STAGE (SS 1)
MULTI-STAGE (MS 2)
HEAT PUMP TYPE 1 (HP 1).
compressor system; gas or electric backup.
HEAT PUMP TYPE 2 (HP 2).
compressor or two compressor system with
gas or electric backup.
After wiring, see INSTALLER CONFIGURA-
TION section for proper thermostat confi gura-
tion.
120VAC
COOLING
120VAC
gas, oil or electric.
gas, oil or electric.
Single stage
Multi-stage
3