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Honeywell chronotherm iv t8602d Benutzerhandbuch

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T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS
3
69-1510-4
Fig. 4. Typical hookup in heat and cool system with 
one transformer.
Fig. 5. Typical hookup in millivoltage heating circuit.
Fig. 6. Typical hookup in millvoltage heating and 
24 Vac cooling circuit.
Fig. 7. Correct wiring technique.
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 
out at the bottom of the thermostat; remove top 
last.
Fig. 8. Mounting thermostat on wallplate.
L1
(HOT)
L2
M10347A
FAN
RELAY
Y
G
THERMOSTAT
HEAT
RELAY
R
W
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
OT
OT
OUTDOOR
TEMPERATURE
SENSOR
3
RC
W
MILLIVOLT HEATING-ONLY 
WALLPLATE
R
M2931
TH
TH/
PP
PP
MILLIVOLTAGE
GAS CONTROL
LIMIT
CONTROL
MILLIVOLTAGE
GENERATOR
PILOTSTAT 
CONTROL
(IF USED)
M2942
TH
TH/
PP
PP
MILLIVOLTAGE
GAS CONTROL
LIMIT
CONTROL
MILLIVOLTAGE
GENERATOR
PILOTSTAT 
CONTROL
(IF USED)
COOLING
CONTACTOR
W
G
R
RC
Y
O
L1 
(HOT)
L2
1
FAN
RELAY
CHANGEOVER
RELAY
POWER SUPPLY.  PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
1
MILLIVOLT HEATING-24Vac
COOLING WALLPLATE
M4826
FOR WRAPAROUND 
INSERTION STRIP 
7/16 IN. (11 MM).
FOR STRAIGHT INSERTION 
STRIP 5/16 IN. (8 MM).
M14628
PRESS LOWER 
EDGE OF CASE 
TO LATCH.
ENGAGE TABS 
AT TOP OF 
THERMOSTAT 
AND WALLPLATE.
A.
B.