Mounting Thermostat - Honeywell Chronotherm IV T8602D 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.
PILOTSTAT
CONTROL
(IF USED)
MILLIVOLTAGE
GENERATOR
Fig. 5. Typical hookup in millivoltage heating circuit.
B RC
W R OT
HEAT
RELAY
OUTDOOR
TEMPERATURE
SENSOR
2
TRANSFORMER
MILLIVOLT HEATING-ONLY
WALLPLATE
W
TH
LIMIT
TH/
PP
CONTROL
PP
MILLIVOLTAGE
GAS CONTROL
M2931
T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS
OT
PILOTSTAT
3
CONTROL
(IF USED)
MILLIVOLTAGE
GENERATOR
1
1
L1
L1
(HOT)
(HOT)
L2
L2
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
Fig. 6. Typical hookup in millvoltage heating and
M10347A
FOR WRAPAROUND
INSERTION STRIP
7/16 IN. (11 MM).
R

Mounting Thermostat

1. Engage tabs at the top of the thermostat and wall-
plate. See Fig. 7.
2. Press lower edge of case to close and latch.
NOTE: To remove the thermostat from the wall, first pull
Fig. 8. Mounting thermostat on wallplate.
3
MILLIVOLT HEATING-24Vac
COOLING WALLPLATE
W
TH
TH/
PP
LIMIT
PP
CONTROL
MILLIVOLTAGE
GAS CONTROL
FAN
RELAY
24 Vac cooling circuit.
Fig. 7. Correct wiring technique.
out at the bottom of the thermostat; remove top
last.
A.
ENGAGE TABS
AT TOP OF
THERMOSTAT
AND WALLPLATE.
B.
PRESS LOWER
EDGE OF CASE
TO LATCH.
G RC Y O
R
CHANGEOVER
RELAY
COOLING
CONTACTOR
M2942
FOR STRAIGHT INSERTION
STRIP 5/16 IN. (8 MM).
M4826
M14628
69-1510-4