SPD Manual

Page 4 of 7 10-055-1 REV E Date: 08/27/2018
1) This product contains No Serviceable Parts.
2) USE SUPPLY WIRE SUITABLE FOR 90° C.
The conductors used to connect the SPD to the line or bus shall not be any longer than necessary and shall
avoid unnecessary bends
The following represents a wiring diagram of SPDs in a typical system.
PV PLUS BUS
(Red wire)
BATTERY
NEGATIVE
(black wire)
GROUND
(green wire)
AC IN
(black/red)
)wire)
AC OUT
(black/red wire)
Use screw, washer, nut & ring terminal on MNPV
Combiner.
Fig 1.1
Installation shown in a MidNite Solar 120v E-Panel.
Installation shown in an MNPV12.
Configured for 2 grid tie inverters.
Fig. 1.2
INSTALLATION SHOWN WITH MIDNITE SOLAR E-PANEL AND COMBINER BOX. SPD CAN BE USED WITH ANY ELECTRIC
PANEL THAT IS WITHIN THE SPD RATINGS.