White Rodgers 1F90W-51 Manual De Usuario
4
All wiring diagrams are for typical systems only. Refer to
equipment manufacturers' instructions for specific sys-
tem wiring information.
equipment manufacturers' instructions for specific sys-
tem wiring information.
To prevent electrical shock and/or equipment
damage, disconnect electrical power at the main
fuse box or circuit breaker until installation is
complete.
damage, disconnect electrical power at the main
fuse box or circuit breaker until installation is
complete.
NOTE
CAUTION
!
RC
Y
24vAC
120vAC
Hot
Neutral
THERMOSTAT
SYSTEM
G
W
Figure 6. Typical Wiring Diagram for Cool Only, 3-Wire, Single Transformer Systems
Fan
Relay
Cooling
System
RH
TRANSFORMER
G
RC
Y
W
RH
Thermostat Terminal Connections
G
From 24vAC
transformer
From fan relay
From cooling system
RC
Y
RH
Y
24vAC
120vAC
Hot
Neutral
THERMOSTAT
SYSTEM
G
W
Figure 5. Typical Wiring Diagram for Heat Only, 3-Wire, Single Transformer Systems
TRANSFORMER
RC
Fan
Relay
Heating
System
JUMPER
WIRE
G
RC
Y
W
RH
W
RH
Thermostat Terminal Connections
G
From heating system
From 24vAC
transformer
From fan relay
CONNECT red jumper
wire (provided)
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.
vided with thermostat)
must be connected be-
tween thermostat's RH
and RC terminals for pro-
per thermostat operation
with this system.
RH
Y
24vAC
120vAC
Hot
Neutral
THERMOSTAT
SYSTEM
G
W
Figure 4. Typical Wiring Diagram for Heating Only, 2-Wire, Single Transformer Systems
TRANSFORMER
Heating
System
RC
G
RC
Y
W
RH
W
RH
Thermostat Terminal Connections
From heating system
From 24vAC transformer