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T8600D, T8601D AND T8602D CHRONOTHERM
®
IV DELUXE PROGRAMMABLE THERMOSTATS
68-0164—1
25
L1
(HOT)
L2
M10348
FAN
RELAY
YG
THERMOSTAT
RC
HEAT
RELAY
RW
L1
(HOT)
L2
COMPRESSOR
CONTACTOR
HEATING
TRANSFORMER
COOLING
TRANSFORMER
B
HEAT
DAMPER
COOL
DAMPER
O
2
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
JUMPER RC TERMINAL TO R TERMINAL WHEN INSTALLED ON A
ONE TRANSFORMER SYSTEM.
CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT
PUMP SYSTEMS.
AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A
SEPARATE CABLE FROM THE THERMOSTAT CABLE.
T8600D MODELS REQUIRE POWER TO R TERMINAL AT ALL TIMES.
2
3
3
1
1
3
4
OTOT
OUTDOOR
TEMPERATURE
SENSOR
4
4
5
5
L1
(HOT)
L2
M10357
FAN
RELAY
GC
THERMOSTAT
HEAT
RELAY
RW
TRANSFORMER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
NOT AVAILABLE ON "A" MODELS.
1
2
1
2
L1
(HOT)
L2
M10353
FAN
RELAY
YG
THERMOSTAT
C
HEAT
RELAY
RW
COMPRESSOR
CONTACTOR
TRANSFORMER
B
HEAT
DAMPER
COOL
DAMPER
O
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT
PUMP SYSTEMS.
AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A
SEPARATE CABLE FROM THE THERMOSTAT CABLE.
2
2
2
1
3
OTOT
OUTDOOR
TEMPERATURE
SENSOR
3
3
L1
(HOT)
L2
M10354
FAN
RELAY
YG
THERMOSTAT
RC
HEAT
RELAY
RW
L1
(HOT)
L2
COMPRESSOR
CONTACTOR
HEATING
TRANSFORMER
COOLING
TRANSFORMER
BC
HEAT
DAMPER
COOL
DAMPER
O
2
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
JUMPER RC TERMINAL TO R TERMINAL WHEN INSTALLED ON A
ONE TRANSFORMER SYSTEM.
CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT
PUMP SYSTEMS.
AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A
SEPARATE CABLE FROM THE THERMOSTAT CABLE.
T8601D MODELS REQUIRE POWER TO R TERMINAL AT ALL TIMES.
2
3
3
1
1
3
4
OTOT
OUTDOOR
TEMPERATURE
SENSOR
4
4
5
5
Fig. 17. Typical hookup of T8600 or T8602 in heat and
cool system with two transformers.
Fig. 18. Typical hookup of T8601 in heat only application.
Fig. 19. Typical hookup of T8601 in heat
and cool system with one transformer.
Fig. 20. Typical hookup of T8601 in heat
and cool system with two transformers.