26 69-0887—1
CR
W Y G
B
A
3-WIRE HEAT-ONLY
M9213
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
1
1
L1
(HOT)
L2
HEATING
RELAY OR
VALVE COIL
CR
W Y G
B
A

4-WIRE COOL-ONLY

L1
(HOT)
L2
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
1
1
M9212
COOLING
CONTACTOR
COIL
FAN
RELAY