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INSTALLATION:
!
Normally it is not necessary to remove the powerhead from the
valve body during installation. If the valve must be disassem-
bled with the water flow arrow pointing way from the manual
opening or lever slot.
MOUNTING:
The valve may be mounted in any position on a vertical line. On
a horizontal line, the valve must be mounted so that the powerhead
is even with or above the center line of the piping as shown in Fig. 3.
Make sure that enough room is provided above the powerhead to
remove the cover for servicing. See Fig. 1.
Mount the valve directly in the pipe or tube. It must be installed
so that the arrow stamped on the valve body's side corresponds to
the flow direction. For flare-fitting models, the body is threaded for
standard 3/8 in. I.D. copper, 45 degree SAE flare-fitting nuts. These
nuts are not furnished with the valve and must be obtained sepa-
rately. For sweat copper fittings, make sure that good solder connec-
tions are made. DO NOT use silver solder because of the high melt-
ing temperature it requires.
WIRING:
All wiring must conform to local electrical codes and ordinances. Refers to Fig. 4 to 7 for wiring connections.
Fig. 4 - V8043F WIRING
THERMOSTAT
R
(TYPICALLY A T86A)
END SWITCH
TH-TR TH
"BLIND"
THERMAL
Fig. 6 - 3-ZONE SYSTEM USING L8124G AQUASTAT RELAY INTERGAL VALVE TRANSFORMER
V8043F
END SWITCH
TH-TR TH
Tv
C1
CIRCULATOR
CAUTION
TO CIRCULATOR
OR ANOTHER VALVE
ENCLOSURE FOR
END SWITCH
TERMINALS
TR
TO 120V
LINE
24-V
TRANS
ZONE 1
T86A
V8043F
END SWITCH
END SWITCH
END SWITCH
TR
TH-TR TH
TR
1
Z
2
(L1 HOT)
T
L8124
L2
B1
B2
C2
TO
TO BURNER
CIRCUIT
Fig. 3 - MOUNTING POSITIONS
VERTICAL
PIPING
For normally closed models with sweat fittings, set the
opener lever to 'MAN. OPEN' before applying heat to the
fittings. This will protect the plug inside the valve by re-
moving it from the seat. After installation, place the manual
opener in the 'AUTO' position.
New Buna-N rubber ball plug is impervious to boiler or sys-
tem additives. Petroleum base additives do not affect this ball
plug.
Steam applications require special ball
your local Honeywell representative.
Fig. 5 - V8043G WIRING
TO 120V
LINE
YELLOW
LEADS
TH & TR
ON "F"
MODEL
ZONE 2
ZONE 3
T86A
V8043F
ADD
END SWITCH
JUMPER
TO EACH
VALVE
TH-TR TH
TR
95-6739 6-1-8
WIRING CODE
120V
LOW VOLTAGE
POWER
LINE VOLTAGE
SUPPLY
3
HORIZONTAL
PIPING
IMPORTANT
NOTE
plugs. Consult
THERMOSTAT
R
(TYPICALLY A T86A)
24-V
TRANS
TO LOW VOLTAGE CIRCUIT
OR ANOTHER VALVE
RED LEADS
IDENTIFIED AS
MOTOR
"END SWITCH"
ON "F" MODEL
AUX
SWITCH
CONNECTIONS FOR
V8043G MODEL
T86A
YELLOW
RED
Tv
T
L8124
T86A
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