Honeywell Chronotherm III T8602C - TS8602 in Typical Millivoltage Heating Circuit; T8602 A,B Heating-Only Circuit in an Oil System

69-0309—93
T8602A,B,C,D AND TS8602A,C Chronotherm
®
III FUEL SAVER THERMOSTATS
FOR STRAIGHT
INSERTION –
STRIP 5/16 in. (8 mm)
FOR WRAPAROUND –
STRIP 7/16 in. (11 mm)
RESTRICT
WIRING TO
THIS AREA
WIRING TO BE BELOW
THIS SURFACE
TOP SURFACE
OF SUBBASE
FRONT VIEW OF
TERMINAL AREA
CROSS-SECTIONAL VIEW OF
TERMINAL AREA
M2927
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
MODELS WITH ON-AUTO FAN SWITCH.
M2928
W
G
HEATING-ONLY WALLPLATE
R
FAN
RELAY
1
2
L1
(HOT)
L2
1
GAS
VALVE
2
Fig. 6. T8602A,B heating-only circuit in a continuous
pilot gas system.
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
M2929
W
HEATING-ONLY WALLPLATE
R
1
L1
(HOT)
L2
1
OIL PRIMARY
T
T
Fig. 7. T8602A,B heating-only circuit in an oil system.
L1
(HOT)
L2
1
W
R
HEATING ONLY WALLPLATE
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
M2923
RESISTANCE
HEATER
SWITCH
HEATER
BLACK
BLUE
RED
RED
WHITE
R841C
BIMETAL
SWITCH
Fig. 8. T8602A,B heating-only circuit in an electric
baseboard or ceiling cable system.
Fig. 3. Keep wiring restricted to the ribbed area
surrounding terminals.
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
Fig. 5. TS8602C in typical millivoltage heating and
24 Vac cooling circuit.
Fig. 4. TS8602 in typical millivoltage heating circuit.