Robertshaw 9610 - Manual (Page 11)

11
Hot
Heating
Control
Fan
Control
Cooling
Control
Heating
Control
(COOLING)
Transformer
(HEATING)
Transformer
Transformer
T
H
E
R
M
O
S
T
A
T
RH
RC
W
Y
B
O
G
24 VAC 120 VAC
Hot
Heating
Control
Fan
Control
Transformer
24 VAC 120 VAC
Hot
Heating
Control
Transformer
24 VAC 120 VAC
Hot
120 VAC 24 VAC
24 VAC
Hot
120 VAC
HEAT/COOL
4-WIRE
SINGLE TRANSFORMER
HEAT ONLY
2-WIRE
SINGLE TRANSFORMER
HEAT ONLY
3-WIRE
SINGLE TRANSFORMER
Factory-Installed
Jumper
Hot
Cooling
Control
Fan
Control
Transformer
24 VAC 120 VAC
COOL ONLY
3-WIRE
SINGLE TRANSFORMER
Cooling
Control
HEAT/COOL
5-WIRE
TWO TRANSFORMER
T
H
E
R
M
O
S
T
A
T
RH
RC
W
Y
B
O
G
Factory-Installed
Jumper
T
H
E
R
M
O
S
T
A
T
RH
RC
W
Y
B
O
G
NOTE: Cut center of
factory installed jumper
and bend back.
NOTE: Cut center of
factory installed jumper
and bend back.
NOTE:
Cut center
of factory
installed
jumper
and bend
back.
RH T
H
E
R
M
O
S
T
A
T
RC
W
Y
B
O
G
Fan
Relay
T
H
E
R
M
O
S
T
A
T
RC
RH
W
Y
B
O
G
NOTE: Both transformers
must be in phase.
Wiring Diagrams
The following is just a sample of the most common types of HVAC sys-
tems. Refer to your systems installation manual for wiring information.
110-655B.qxd 11/27/06 4:38 PM Page 11