PA-4 CAT-3 Power Chassis LED Functions
Adept PA-4 Power Chassis User’s Guide, Rev E
53
Changing From 200-240 VAC to 380-415 VAC
To change the AC voltage setting from 3-phase 200-240
VAC
to 3-phase 380-415
VAC
,
follow the two-part procedure below.
Part 1 – Rotating the Voltage Selector in the Power Chassis
1. Open the front air-intake grill on the power chassis by loosening two screws and
swinging the grill out.
2. Inspect the voltage setting; it is marked on the front of the voltage selector plug.
To change the voltage setting, remove the selector, rotate it 180 degrees so the
required setting is shown, and replace it (see
Figure 6-3 on page 52
).
3. Close the grill and secure the two screws.
4. Clearly mark or alter the ID label, which is located on the side of the PA-4 power
chassis, to show the new voltage configuration (see
Figure 1-2 on page 11
).
Part 2 – Insulating the Power Chassis Power Cord
1. Make sure the power chassis and controller are turned off. Disconnect the
controller and the PA-4 power chassis from the AC power source. Verify that
power remains off during all parts of this procedure.
2. If installed, remove the 4-wire plug.
3. Remove and discard the 19 mm (3/4-inch) shrink tubing from the end of the
power cord.
4. Remove and discard the 7 mm (1/4-inch) shrink tubing from the end of the blue
wire in the power cord (see
Figure 6-2 on page 52
).
5. This procedure requires a user-supplied 19 mm (3/4-inch) diameter piece of
shrink tubing. Place the shrink tubing over the end of the power cord. Use a heat
gun to apply the shrink tubing (see
Figure 6-4 on page 54
).
6. Install a 5-wire plug (or wire directly to an appropriate service disconnect). Refer
to your robot manual for PA-4 power cord specifications.
DANGER:
Electrical hazard!
Changing the voltage setting in the power chassis must be
done by a trained, authorized person. The power supply
can injure or kill a person who does not perform this
procedure correctly.
DANGER:
High AC voltage is coupled through capacitors
to the blue wire of the PA-4 power chassis power cord. If
you change the voltage setting from 200-240
VAC
to
380-415
VAC
, you must be sure the blue wire is connected
properly, according to the directions provided below.
Failure to do this could result in injury or death, and
damage to the equipment.
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