Honeywell CT3400 Programming And Installation Instructions page 26

2-WIRE HEAT-ONLY (JUMPER INTACT)
W G
HEATING
RELAY OR
VALVE COIL
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
CT3400A
R R C
Y
M612A
4-WIRE HEAT/COOL (JUMPER INTACT)
HEATING
RELAY OR
VALVE COIL
1
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
23
R R C
Y
W G
COOLING
FAN
CONTACTOR
RELAY
COIL
69-0733B—1
CT3400A
1
M614A