WPC 2000 User Manual 1128500
Installation 2-9
To make AC power wiring connections, perform the following steps:
1. Locate the power supply input terminal block on the back wall at the top left of the
enclosure, as shown in Figure 2-5.
2. Determine how you will bring wiring from your 115 or 230 Vac power source to the
enclosure. For 115 Vac, you need three wires—high (black), neutral (white) and ground
(green). For 230 Vac, wires are black and red, with green or green-yellow for ground.
3. Run the power wires to the enclosure through flexible, liquid-tight conduit. Because WPC
2000 is rated NEMA 12 (protected against dust and oil), you must use conduit of the same
rating and make proper connections to ensure NEMA 12 protection.
4. Connect the ground wire to the set screw terminal on the roof of the enclosure, referring to
Figure 2-5 and to Figure 13 (Ross Serpar DSV), Figure 14 (Herion DSV), or Figure 17
(Ross DM2 DSV) at the back of the manual.
5. Connect the power wires.
For 115 Vac power, connect the black wire to the LINE terminal and the white wire to
NEUT.
For 230 Vac, connect the black wire to the LINE terminal and the red wire to NEUT.
Strip the wire 1/4 in. from the end. Loosen the screw in the input power terminal block,
insert the stripped portion of the wire, and tighten the screw.
6. Double-check connections.
7. Make all necessary conduit connections to ensure NEMA 12 protection.
Installing a Dual Safety Valve
WPC 2000 AUTOMATICALLY ADJUSTS TO 115 OR 230 VOLT INPUT POWER
You do not need to use a switch or other device to set the level of input power.
USER-SUPPLIED DUAL SAFETY VALVE NOT SUITABLE FOR SAFETY USE
Ensure that your dual safety valve meets the applicable safety standards. Contact the valve
manufacturer for information.
Failure to comply with these instructions will result in death or serious injury.
INSTALL DSV CLOSE TO CLUTCH/BRAKE ASSEMBLY TO REDUCE STOPPING TIME
Install the dual safety valve as close as possible to the clutch/brake assembly. Any excess piping
between the valve and the clutch/brake assembly increases the Stopping Time of the press.
Failure to comply with these instructions will result in death or serious injury.
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