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V4043A,B,E,J; V4044A,B; V8043A,B,E,F,J; V8044A,B,E MOTORIZED VALVES
15
60-2133—10
Fig. 21. Typical 4-zone system. Use an additional W775A to power up to 4 more zone valves.
Fig. 22. Typical 5-zone system. Use an AT87A transformer to power up to 5 more zone valves.
M5980
ZONE 1
ZONE 2
ZONE 3
ZONE 4
END SWITCH
V8043F
TH-TR
TH
TR
END SWITCH
V8043F
TH-TR
TH
TR
END SWITCH
V8043F
TH-TR
TH
TR
END SWITCH
V8043F
TH-TR
TH
TR
ZONE 1
ZONE 2
ZONE 3
ZONE 4
T87F
INTEGRAL
TRANSFORMER
TO
CIRCULATOR
CONTROL
CIRCUIT
W775A PANEL
B
R
B
W
BR
B
R
B
W
BR
B
R
B
W
BR
B
R
B
W
BR
T87F
L1
(HOT)
L2
POWER
SUPPLY
B
R
B
W
BR
RED
RED
YELLOW
ZONE V8043E
YELLOW
W775A PANEL
RED
YELLOW
RED
YELLOW
T87F
T87F
CONNECTIONS FOR V8043E
(LEADWIRE MODEL)
ZONE 1
T87F
ZONE 2
ZONE 3
ZONE 4
ZONE 5
V8043F
END SWITCH
TH-TR
TH
TR
V8043F
END SWITCH
TH-TR
TH
TR
V8043F
END SWITCH
TH-TR
TH
TR
V8043E
V8043E
T87F
T87F
T87F
T87F
M10164
YELLOW
RED
YELLOW
RED
YELLOW
RED
YELLOW
RED
L1
(HOT)
L2
1
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
TO BURNER
AND / OR
CIRCULATOR
CIRCUIT
AT87A
TRANSFORMER
NOTE: IF CODE PERMITS, V8043E AND V8043F CAN BE USED INTERCHANGEABLY WHEN WIRED AS SHOWN.