White Rodgers 37-5086A Manual De Usuario
4
RH
Y
MV
24 VAC
120 VAC
Hot
Neutral
THERMOSTAT
SYSTEM
G
W
Figure 7. Typical wiring diagram for heat/cool, 4-wire, single transformer systems
TRANSFORMER
6
Cooling
System
Fan
Relay
Heating
System
RC
JUMPER
WIRE
G
RC
6
MV
Y
W
RH
Thermostat Terminal Connections
G
From 24 VAC
transformer
From fan relay
From cooling system
Y
CONNECT red jumper
wire (provided)
W
RH
From heating system
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.
RC
Y
MV
24 VAC
120 VAC
Hot
Neutral
THERMOSTAT
SYSTEM
G
W
Figure 6. Typical wiring diagram for cool only, 3-wire, single transformer systems
6
Fan
Relay
Cooling
System
RH
TRANSFORMER
G
RC
6
MV
Y
W
RH
Thermostat Terminal Connections
G
From 24 VAC
transformer
From fan relay
From cooling system
RC
Y
RH
Y
MV
24 VAC
120 VAC
Hot
Neutral
THERMOSTAT
SYSTEM
G
W
Figure 5. Typical wiring diagram for heat only, 3-wire, single transformer systems
TRANSFORMER
6
RC
Fan
Relay
Heating
System
JUMPER
WIRE
G
RC
6
MV
Y
W
RH
W
RH
Thermostat Terminal Connections
G
From heating system
From 24 VAC
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.
CAUTION
!
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
RH
Y
MV
24 VAC
120 VAC
Hot
Neutral
THERMOSTAT
SYSTEM
G
W
Figure 4. Typical wiring diagram for heat only, 2-wire, single transformer systems
TRANSFORMER
6
Heating
System
RC
G
RC
6
MV
Y
W
RH
W
RH
Thermostat Terminal Connections
From heating system
From 24 VAC transformer