White Rodgers 1F97W-71 User Manual page 4

NOTE
All wiring diagrams are for typical systems only. Refer to
equipment manufacturers' instructions for specific sys-
tem wiring information.
6 MV
Figure 4. Typical Wiring Diagram for Heating Only, 2-Wire, Single Transformer Systems
6 MV Y
NOTE
RED jumper wire (pro-
vided with thermostat)
must be connected be-
tween thermostat's RH
and RC terminals for pro-
per thermostat operation
with this system.
Figure 5. Typical Wiring Diagram for Heat Only, 3-Wire, Single Transformer Systems
Y
6 MV
Cooling
System
Figure 6. Typical Wiring Diagram for Cool Only, 3-Wire, Single Transformer Systems
6 MV
NOTE
RED jumper wire (pro-
vided with thermostat)
must be connected be-
tween thermostat's RH
and RC terminals for pro-
per thermostat operation
with this system.
Figure 7. Typical Wiring Diagram for Heat/Cool, 4-Wire, Single Transformer Systems
4
Y
G W
Heating
System
G W RC
Fan Heating
Relay System
G W RC
Fan
Relay
Y G W RC
Cooling Fan Heating
System Relay System
To prevent electrical shock and/or equipment
damage, disconnect electrical power at the main
fuse box or circuit breaker until installation is
complete.
THERMOSTAT
RC RH
SYSTEM
Hot
24vAC
120vAC
Neutral
TRANSFORMER
JUMPER
WIRE
THERMOSTAT
RH
SYSTEM
Hot
24vAC
120vAC
Neutral
TRANSFORMER
THERMOSTAT
RH
SYSTEM
Hot
24vAC
120vAC
Neutral
TRANSFORMER
JUMPER
WIRE
THERMOSTAT
RH
SYSTEM
Hot
24vAC 120vAC
Neutral
TRANSFORMER
CAUTION
!
From heating system
From 24vAC transformer
6
MV
RH
Thermostat Terminal Connections
From 24vAC
transformer
From heating system
6
MV
RH
CONNECT red jumper
wire (provided)
Thermostat Terminal Connections
From 24vAC
transformer
6
MV
RH
From cooling system
Thermostat Terminal Connections
From heating system
CONNECT red jumper
wire (provided)
6
MV
RH
From cooling system
From 24vAC
transformer
Thermostat Terminal Connections
W
RC
G
Y
W
RC
G
Y
From fan relay
W
RC
G
Y
From fan relay
W
RC
G
Y
From fan relay