Magnum Energy MP Extension Box (MPX Series) User Manual

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3.0 Installation

The MPX attaches to the MP enclosure. This pro-

vides unit stability when the MP enclosure is mount-

ed to a backplate/sheathing, and also ensures good

metal-to-metal contact for grounding the MPX and

the MP enclosure together.

1. On the upper side of the MP enclosure, remove

the side access plate – the side to which you will

attach the MPX (see Figure 3-5).

2. Using the same screw and lock washer (see

Item A), attach the side access plate to the

side of the MPX (opposite the side of the MPX

that attaches to the MP).

Note: Before attaching the MPX to the MP

enclosure you should have already removed

a knockout from the bottom of the MPX (see

Figure 3-3). This knockout is needed for run-

ning the communication cables from the router

to the inverters.

3. Use the supplied screw and lock washer (see

Item B) to attach the MPX to the MP enclosure.

The attachment hole is located towards the front

of the (lower) side of the MPX.

Figure 3-5, Attaching the MPX

to an MP Enclosure

The MP enclosure and attached MPX can be mount-

ed on a Magnum backplate or a wall (see the MP

Owner’s Manual for wall requirements).
1. Using eight bolts, screw them halfway into the

backplate/wall in the locations that the MP en-

closure and attached MPX will be mounted (align

with each unit’s four keyhole slots).
Note: If you have purchased a Magnum dual

or single backplate, you will be supplied with

the necessary Hex head bolts (1/4-20 x 3/4”) to

mount the MP and MPX units to the backplate.

If you are mounting to a wall, the installer must

provide the appropriate mounting bolts.

2. Hang the MP enclosure and attached MPX onto

the eight bolts using each unit’s keyhole slots

(see Figure 3-6).

3. Tighten the bolts to secure the MP enclosure

and MPX onto the backplate/wall.

BP-S Magnum

Single Backplate

3.1.2 Attaching the MPX to the MP Enclosure

3.1.3 Mounting the MP/MPX Enclosure to a Backplate/Wall

MPX

MP Enclosure

Use the supplied (B) #10-

32 x 3/8” (T25) Torx screw

and #10 lock washer

(Figure 2-2, Items 5 & 6) to

attach the MPX to the MP

enclosure.

Figure 3-6, Mounting the MPX to a Backplate/Wall