Honeywell V8043 Thermostat User Manual


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Fig. 9 - T822, V8043E zone hookup for gas or oil. No domestic hot
water.
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
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
Fig. 10 - T822, V8043E zone hookup for gas or oil with or ithout
domestic hot water. Without domestic hot water, use L8148J for
gas, and L8148A for oil. With domestic hot water, use L8124E for
gas, and L8124A or C for oil.
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
RED
BLUE
YELLOW
MOTOR
HEATING
COOLING
THERMOSTAT
TO
POWER
V4044, V8044
VALVE OPERATOR
AQUASTAT® CHANGEOVER CONTROL SWITCHES TO HEATING (RED)
AT FLUID TEMPERATURE OF 85°F (29°C) MAX TO COOLING (BLUE) AT
FLUID TEMPERATURE OF 60°F (18°C) MIN.
1
1
M10171
Fig. 12 - Typical 3-zone system. Use an AT87A Transformer
to power up to five more zone valves.
Fig. 11 - Wiring diagram for V4244 and V8244 with Aquastat®
changeover control.
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)
Fig. 13 - Typical 4-zone system. Use an additional W775A to power up to four more zone valves.
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.
Fig. 14 - Typical 5-zone system. Use an AT87A Transformer to power up to five more zone valves.
Fig. 15 - Existing Taco system. (Wires are identified with
letters to correspond with wires in Fig. 16 and 17.)
L1
(HOT)
L2
1
A
B
C
D
E
1
2
3
THERMOSTAT
TACO VALVE
TO AUXILIARY
CIRCUITS
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
M5958
L1
(HOT)
L2
1
C
A
B
D
THERMOSTAT
V8043E
TO
AUXILIARY
CIRCUITS
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
M10163
YELLOW
YELLOW
RED
RED
E
Fig. 16 - Wiring Honeywell V8043E to Taco System (Wires are
identified with letters to correspond with wires in Fig. 15.)
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