Honeywell Q682B Application Manual page 5

Fig. 9—Q682B Subbase with Fuel Saver
Thermostat (T8090 shown) in a typical single-
stage heat pump circuit.
Q682B SUBBASE
C R
C B
3
REVERSING
4
VALVE
1
L1
L2
(HOT)
3
L1
(HOT)
1
L2
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
CONNECT VALVE TO O FOR POWER ON COOLING, OR B FOR
2
POWER ON HEATING.
3 IF USING SYSTEM TRANSFORMER TO POWER CLOCK, ADD R-C
JUMPER AND CONNECT C TO SYSTEM TRANSFORMER COMMON.
4
FOR SYSTEM USING SEPERATE TRANSFORMER
TO POWER CLOCK.
Fig. 11—Q682D Subbase with Fuel Saver Thermostat (T8195 shown) in a typical heating-only circuit.
Fan must be connected to GH terminal.
TIMER
C2
C1
C C
3
L1
(HOT)
1
L2
ADD JUMPER
2
O G
W
HEAT PUMP
COMPRESSOR
RELAY
FAN
RELAY
BIMETAL
HEAT
ANTICIPATOR
R1
SYSTEM
SWITCH
5
2
R
HEAT FAN
CONTROL
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 IF USING SYSTEM TRANSFORMER TO POWER TIMER, ADD R-C JUMPER AND CONNECT C TO
SYSTEM TRANSFORMER COMMON.
FOR SYSTEM USING SEPARATE TRANSFORMER TO POWER TIMER.
3
4 FAN MUST BE CONNECTED TO GH IN HEATING-ONLY APPLICATIONS OR TO GC IN COOLING-
ONLY APPLICATIONS.
5
SOME MODELS USE AUTO INSTEAD OF ON.
Fig. 10—Q682B Subbase with Fuel Saver
Thermostat (T8090 shown) in a typical
cooling-only circuit.
Q682B SUBBASE
Y
C
1
L1
(HOT)
L2
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2 IF USING SYSTEM TRANSFORMER TO POWER CLOCK, ADD RC-C
JUMPER AND CONNECT C TO SYSTEM TRANSFORMER COMMON.
3 FOR SYSTEM USING SEPERATE TRANSFORMER TO
POWER CLOCK.
M7209
RED
BLUE
C
H
FALL
FAN
SWITCH
GH GC
4
5
2
C RH RC W
3
AIR
CONDITIONER
COOL
ANTICIPATORS
H
BIMETAL
C
FALL
HEAT
ANTICIPATOR
W1
Y1
Y
W
HEATING
CONTROL
Y G
FAN
M7210
T8195A
THERMOSTAT
Q682D
SUBBASE
M7190
60-1179—7