MAN-230000-00 REV B
14
Charger Electrical Installation
DANGEROUS VOLTAGES AND CURRENTS ARE PRESENT IN THE AC MAINS
WHEN ENERGIZED. ONLY TRAINED PERSONNEL SHOULD PERFORM THESE
PROCEDURES, USING PROPER EQUIPMENT AND PROCEDURES.
VERIFY THAT INPUT AND OUTPUT WIRING ADHERES TO ALL LOCAL SAFETY
CODES AND STANDARDS.
1.
PowerCharge™ iHF3
chargers require a
480 VAC 3
, four-wire Wye or
Delta electrical supply with a separate ground (Figure 11). Nominal 480
VAC current draw is 13.8 A; circuit disconnect at 125% should be 20 A.
Figure 11: AC input wiring diagrams
2. Verify that the source circuit is locked and tagged out before connecting
power to the charger.
3. Verify that the AC disconnect switch on the charger is in the
OFF
position (Figure
12).
GND
Typical Delta circuit
Wye circuit
A
B
C
240V
415V
480V
480V
240V
C
B
A
277V
277V
480V
277V
480V
480V
GND
480V
WARNING