Install Instructions

V4043, V4044 VALVES; V8043, V8044 ZONE VALVES
95-6983—11 6
Fig. 10. T822 thermostat, V8043A valve hookup.
Fig. 11. T822, V8043E zone hookup for gas or oil. No
domestic hot water.
Fig. 12. Wiring diagram for V4044 and V8044 with
Aquastat changeover control.
Fig. 13. T822, V8043E zone hookup for gas or oil with
or without domestic hot water. Without domestic hot
water, use L8148J for gas, L8148A for oil. With
domestic hot water, use L8124E for gas, L8124A or C
for oil.
Fig. 14. Typical 3-zone system. Use an AT87A
transformer to power up to 5 more zone valves.
L1
(HOT)
L2
1
1
2
2
2 2
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
CONNECT V8043A BLACK LEADWIRE TO THERMOSTAT.
T822 T822 T822
V8043A V8043A V8043A
M10168
L1
(HOT)
L2
1
1
2
2
3
2 2
3 3 3
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
CONNECT V8043E YELLOW LEADWIRE TO THERMOSTAT.
CONNECT V8043E RED LEADWIRES TO L1 (HOT) LINE AND
PRIMARY CONTROL.
T822 T822 T822
V8043E V8043E V8043E
M10169
TO OIL PRIMARY
CONTROL OR TO
TRANSFORMER
AND LOW VOLTAGE
GAS VALVE
L4006A
HIGH
LIMIT
CIRCULATOR
RED
BLUE
YELLOW
MOTOR
HEATING
COOLING
THERMOSTAT
TO
POWER
V4044, V8044
VALVE OPERATOR
AQUASTAT® CHANGEOVER CONTROL SWITCHES TO HEATING (RED)
AT FLUID TEMPERATURE OF 85F (29C) MAX TO COOLING (BLUE) AT
FLUID TEMPERATURE OF 60F (18C) MIN.
1
1
M10171
L1
(HOT)
L2
1
1
2
2
3
2 2
3 3 3
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
CONNECT V8043E YELLOW LEADWIRE TO THERMOSTAT.
CONNECT V8043E RED LEADWIRES TO AQUASTAT®.
T822 T822 T822
V8043E V8043E V8043E
M10170
CIRCULATOR
TT
1
2C1
TO BURNER
CONTROL
CIRCUIT
B1
B2
C2
L1
(HOT)
L2
ZONE 1
T87F
ZONE 2 ZONE 3
V8043F
END SWITCH
TH-TR
TH
TR
L8124G
120 V
POWER
SUPPLY
ADD
JUMPER
TO EACH
VALVE
END SWITCH END SWITCH
V8043F V8043F
TH-TR
TH
TR
TH-TR
TH
TR
TO
CIRCULATOR
TO BURNER
CIRCUIT
T87F T87F
TV
TZ
C1
C2
B1
B2
2
1
M5954