T8600D, T8601D AND T8602D CHRONOTHERM
Model Number
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.
T8602D1028
Trol-A-Temp® by Honeywell thermostat;
system switch—none; fan switch—none;
field terminals: W/4, R/5, Y/6.
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.
a
Trol-A-Temp® by Honeywell thermostat model.
WIRING DIAGRAMS (Fig. 15-20)
THERMOSTAT
G
W
R
2
HEAT
RELAY
FAN
RELAY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
1
OVERLOAD PROTECTION AS REQUIRED.
2
NOT AVAILABLE ON T8600A MODELS.
Fig. 15. Typical hookup of T8600 or T8602
in heat only application.
68-0164—1
IV DELUXE PROGRAMMABLE THERMOSTATS
®
Table 14. Thermostat Cross Reference Information. (continued)
Description
1
L1
(HOT)
L2
TRANSFORMER
M10346
TRADELINE®
Replacement
a
T8602D2026
a
T8602D2026
Premier White® color.
T8602D2000
TRADELINE® packaging.
O
Y
G
COMPRESSOR
COOL
CONTACTOR
DAMPER
FAN
RELAY
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT
PUMP SYSTEMS.
3
AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A
SEPARATE CABLE FROM THE THERMOSTAT CABLE.
Fig. 16. Typical hookup of T8600 or T8602 in heat and cool
system with one transformer.
24
Remarks
THERMOSTAT
B
W
R
OT
OT
3
3
HEAT
2
RELAY
OUTDOOR
TEMPERATURE
SENSOR
HEAT
DAMPER
2
TRANSFORMER
1
L1
(HOT)
L2
M10347