Magnum Energy MP Extension Box (MPX Series) User Manual

Page 37

3.0 Installation

3.2.3 Wiring the MPXS-60S

The following steps are basic guidelines for installing and connecting the AC, DC, and communica-

tion cables for the MPXS-60S.

WARNING: To prevent electrical shock, make sure all AC power (inverter, generator, or

utility) is off before making any AC connections inside the MP enclosure.

MPXS-60S AC Wiring

This section provides information on the AC wiring to/from the MS4024 inverters, and to/from the

main panel and sub-panel. The MPXS-60S kit includes #6 AWG strand B wires for wiring to the AC

terminals in the MP panel. The HOT 1 and HOT 2 wires into/out of the inverter are longer than needed.

This allows you to cut and use the two excess wire lengths (one black and one red, or one black w/

stripe and one red w/ stripe) for routing AC wires from the bottom of the AC breakers to the MP’s

busbar terminals. See Table 2-1 for AC wire size, color, length, and routing location.

Inverter AC Input Wiring (see Figures 3-20a and 3-21a)
LEG 2 AC Input Wiring
1. Route and attach a red wire from the top terminal of the MP enclosure’s AC input breaker (B1)

to the HOT 2/LEG 2 inverter’s AC HOT 1 IN and AC HOT 2 IN terminals.

2. Route and attach a white wire from the MP enclosure’s AC NEUTRAL busbar to the HOT 2/LEG

2 inverter’s AC NEUTRAL terminal.

3. Route and attach a green wire from the MP enclosure’s GROUND busbar to the HOT 2/LEG 2

inverter’s AC GROUND terminal.

LEG 1 AC Input Wiring
NOTE: The LEG 1 AC input wiring is shown in the MP enclosure owner’s manual.

Inverter AC Output Wiring (see Figures 3-20a and 3-21a)
LEG 2 AC Output Wiring
1. Route and attach a red w/white stripe wire from the MP enclosure’s INV HOT 2 OUT busbar to

HOT 2/LEG 2 inverter’s AC HOT 2 OUT and AC HOT 1 OUT terminals.

2. Route and attach a white wire w/black stripe from the MP enclosure’s AC NEUTRAL busbar to

HOT 2/LEG 2 inverter’s AC NEUTRAL terminal.

LEG 1 AC Output Wiring
NOTE: The LEG 1 AC output wiring is shown in the MP enclosure owner’s manual.

NOTE: For the full 60 amp AC pass-thru on MS4024 model inverters, the inverter’s HOT 1 and HOT

2 terminals must be wired together. Each terminal (separately) is only rated for 30 amp AC. See

Figure 4-1 in the MP manual (PN: 64-0028), or refer to your MS Series owner’s manual for more

info on AC wiring.