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Input Power Connections
If the power cable supplied with the circulator is missing,
a 3-conductor power cable suitable to meet the required
input power must be installed. The cable must have 1/4"
ring lugs installed on the machine end. Connect the power
leads to the L1 and L2 terminals on TB1 Input Power Terminal
Board and the ground lead to the ground lug on the base
of the machine. A strain relief fitting is provided to feed a
power cable through the rear panel of the cabinet. Refer to
Figure-2 Schematic Diagram for proper Input Voltage Link
placement, Figure-2 shows link in place for 575 volt input.
Electrical installation must be in accordance with local
electrical codes for this type of equipment.
Motor ( M2 ) Is shipped from supplier wired for 115 VAC.
Wiring must be re-configured to use with 230 VAC. See
wiring information panel on motor for proper 230 VAC
wiring configuration.
Control Connections
A 3-pin receptacle P1 is provided on the rear panel to supply
the WC-7C with 115 Vac control voltage for pump motor
contactor control. The WC-7C must be supplied with this
control voltage in order for the pump to operate. Order
Part No. 13734546; 3-Pin Female Plug and Part No. 182W61;
Cable Clamp for Plug to make a control cable using a two
A
TB1
P1
A
2
115
VAC
B
6
B
13
INPUT
200/230/400/460/575
10
VOLTS 50/60Hz
1 PHASE W/ GND
GND1
C
SINGLE PHASE
50/60 Hz
VOLTAGE
CURRENT
200 VAC
9 AMPS
230 VAC
8 AMPS
400 VAC
5 AMPS
460 VAC
4 AMPS
D
575 VAC
3 AMPS
1
NOTE:
1
2
PL3
1
2
1
A
TS1
PL2
K1
2
B
2
F1
10A
1
TB1
TB1
7
8
9
4
1
3
5
2
Figure-2. WC-7C Schematic and Input Power Terminal Board
conductor cable. Solder the leads of this cable to Pins A and
B of the Plug and connect to control voltage device. Pump
motor contactor control is supplied so as to not operate
pump when cooling is not needed. Do not intermittently
operate the pump motor as this will cause needless
wear to the pump.
These connectors are located on the front of the unit and are
marked "IN" and "OUT". Connect the hoses to the WC-7C ac-
cordingly. The torch hose ends should be fitted with 5/8"-18
Male L.H. Air/Water hose (CGA-033) connectors.
Do not connect hoses to a solenoid valve that can be
closed when the pump is operating as damage to pump
can result.
With the torch and the WC-7C connected, fill the reservoir
with the specially formulated torch coolant (order part no.
156F05). Do not use regular anti-freeze solutions, such as
for an automobile, as the additives will harm the pump
and torch.
After filling the reservoir to the MAX mark, located on the
front panel, run the pump with its cap removed in order to
purge air from the radiator, hoses, and torch. Re-check cool-
ant level to ensure reservoir is filled to MAX mark. Replace
reservoir cap after purging and checking coolant level.
GND1
TB1
K1
L2
12
GND3
M1
11
2
L1
K1
F2
10A
T1
1
H1
H2
H3
H4
H5
1
PL2
2
H6
3
4
2
Coolant Connections
COMPONENT LEGEND
LOCATION ITEM
REF.
REF. DESCRIPTION
B-4
F1
FUSE, 10 AMP
B-4
F2
FUSE, 10 AMP
A-5
K1 PUMP MOTOR CONTACTOR
A-5
M1 FAN MOTOR
A-5
M2 PUMP MOTOR
A-1
P1 PUMP MOTOR CONTACTOR PLUG
D-4
PL1 MAIN POWER "ON" LIGHT
A-3
PL2 PUMP "ON" LIGHT
230 VAC - see note above
A-2
PL3 PUMP OVER-TEMP LIGHT
B-4
T1
AUTO-TRANSFORMER
B-2
TB1 TERMINAL BOARD, INPUT POWER
T2
A-2
TS1 PUMP OVER-TEMP THERMAL SWITCH
1
M2
4
T1
1
115 VAC
INPUT
460
4
575
5
3
200
230
7
8
9
TO
11
12
AUX
COOLER
DANGER
HIGH
VOLTAGE
5
2
L1
10
L2
13
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