Honeywell Q682B Application Manual page 3

Fig. 5—Q682A Subbase with Fuel Saver Thermostat (T8195 shown) in an electric heat system with auto
fan.
CLOCK
T8095A
THERMOSTAT
C1
Q682B
SUBBASE
C
L1
(HOT)
1
L2
Fig. 6—Q682B Subbase with Fuel Saver Thermostat (T8195 shown) in a heating-cooling system with O
and B terminals for damper motors or changeover valve, and optional filter indicator LED.
CLOCK
T8095A
THERMOSTAT
Q682B
SUBBASE
C
L1
(HOT)
1
L2
BIMETAL
C2
R1
B
R O
HEATING COOLING
CHANGEOVER CHANGEOVER
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 JUMPER 1-2 FOR AUTO FAN IN HEAT AND COOL MODE; I.E. HEAT PUMP AND
ELECTRIC HEAT APPLICATIONS.
3 JUMPER 1-Y FOR AUTO FAN WITH COOLING MODE ONLY.
HEAT
ANTICIPATOR
SYSTEM SWITCH
R B O
HEAT COOL
DAMPER DAMPER
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 REMOTE INDICATION FOR FILTER (OPTIONAL).
RED
BLUE
C
H
FALL
HEAT
ANTICIPATOR
SYSTEM SWITCH
FAN
SWITCH
G 1
FAN
C
H
HEAT
FALL
ANTICIPATOR
FAN
SWITCH
G
FAN
RELAY
3
COOL
ANTICIPATORS
H
BIMETAL
FALL
HEAT
ANTICIPATOR
W1
3
2
W Y
2
HEATING COOLING
COOL
ANTICIPATORS
H
C
FALL
W Y
HEAT COMPRESSOR
RELAY CONTACTOR
C
Y1
M7185
FILTER
LIGHT
2
SWITCH
M2496A
60-1179—7