Robertshaw 9200 User Manual page 8

TWO TRANSFORMER
(HEATING)
Transformer
Hot
120 VAC 24 VAC
Hot
120 VAC 24 VAC
(COOLING)
Transformer
HEAT/COOL
5-WIRE
Heating
Control
Cooling
Control
Fan
Relay
RH
T
H
RC
E
R
W
M
O
Y
S
B T
A
O
T
G
8
NOTE: Remove
factory installed jumper.
NOTE: Both transformers
must be in phase.