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T8600D, T8601D AND T8602D CHRONOTHERM
®
IV DELUXE PROGRAMMABLE THERMOSTATS
68-0164—1
24
Table 14. Thermostat Cross Reference Information. (continued)
L1
(HOT)
L2
M10346
FAN
RELAY
G
THERMOSTAT
HEAT
RELAY
RW
TRANSFORMER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
NOT AVAILABLE ON T8600A MODELS.
1
2
1
2
L1
(HOT)
L2
M10347
FAN
RELAY
YG
THERMOSTAT
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
Model Number Description
TRADELINE®
Replacement Remarks
T8602D One-stage heat and one-stage cool conventional thermostat; battery powered; automatic
changeover
T8602D1010 Trol-A-Temp® by Honeywell thermostat;
Premier White® color; system
switch—none; fan switch—none; field
terminals: W/4, R/5, Y/6.
T8602D2026
a
T8602D1028 Trol-A-Temp® by Honeywell thermostat;
system switch—none; fan switch—none;
field terminals: W/4, R/5, Y/6.
T8602D2026
a
Premier White® color.
CT8602C One-stage heat and one-stage cool retail thermostat battery powered
CT8602C1001 Retail Honeywell logo; off-white color; duel
fuel fan control; system switch HEAT-OFF-
COOL; fan switch ON-AUTO; separate O
and B terminals; clamshell packaging.
T8602D2000 TRADELINE® packaging.
a
Trol-A-Temp® by Honeywell thermostat model.
WIRING DIAGRAMS (Fig. 15-20)
Fig. 15. Typical hookup of T8600 or T8602
in heat only application.
Fig. 16. Typical hookup of T8600 or T8602 in heat and cool
system with one transformer.