Mounting Thermostat - Honeywell T8602C Chronotherm IV Installation Instructions Manual

THERMOSTAT
O
Y G
COMPRESSOR COOL
2
CONTACTOR DAMPER
FAN HEAT
RELAY DAMPER
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. 4. Typical hookup in heat and cool system
with one transformer.
THERMOSTAT
RC Y G O
2
COMPRESSOR COOL
CONTACTOR DAMPER
FAN
RELAY
L1
(HOT)
L2
1
COOLING
TRANSFORMER
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 JUMPER RC TERMINAL TO R TERMINAL WHEN INSTALLED ON A
ONE TRANSFORMER SYSTEM.
3
CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT
PUMP SYSTEMS.
4
AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A
SEPARATE CABLE FROM THE THERMOSTAT CABLE.
5
T8600D MODELS REQUIRE POWER TO R TERMINAL AT ALL TIMES.
Fig. 5. Typical hookup in heat and cool system
with two transformers.
T8602C CHRONOTHERM
B RC
W R OT OT
3
HEAT
RELAY
OUTDOOR
TEMPERATURE
SENSOR
2
TRANSFORMER
M10347A
B W R OT
5
HEAT
3
RELAY
OUTDOOR
TEMPERATURE
SENSOR
HEAT
DAMPER
3
HEATING
TRANSFORMER
®
IV DELUXE PROGRAMMABLE THERMOSTATS
Y G
PILOTSTAT
CONTROL
(IF USED)
MILLIVOLTAGE
GENERATOR
1
L1
(HOT)
1
AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A
SEPARATE CABLE FROM THE THERMOSTAT CABLE.
L2
Fig. 6. T8602 typical millivoltage heating circuit.
.
FOR WRAPAROUND
INSERTION STRIP
7/16 IN. (11 MM).
Fig. 7. Correct wiring technique.

Mounting Thermostat

OT
4
1. Engage tabs at the top of the thermostat and
wallplate. See Fig. 8.
2. Press lower edge of case to close and latch.
NOTE: To remove the thermostat from the wall, first pull
out at the bottom of the thermostat; remove top
last.
1
L1
(HOT)
L2
A.
M10348
B.
Fig. 8. Mounting thermostat on wallplate.
3
THERMOSTAT
O B W
TH
TH/
PP
LIMIT
CONTROL
PP
MILLIVOLTAGE
GAS CONTROL
FOR STRAIGHT INSERTION
STRIP 5/16 IN. (8 MM).
ENGAGE TABS
AT TOP OF
THERMOSTAT
AND WALLPLATE.
PRESS LOWER
EDGE OF CASE
TO LATCH.
R OT OT
1
OUTDOOR
TEMPERATURE
SENSOR
M20270
M4826
M14628
69-1670