HV Disconnecting Combiner Manual

MNPVHV Disco Instructions (continued)
9 | P a g e 1 0 - 065- 1 R E V : J
Reconfiguring MNPVHV Combiners continued: MNPV16HV
Parallel to 2 Inverters / Non-Isolated: Starting with a parallel configured MNPV16HV.
The MNPV16HV TYPE 4X is shown.
Step 1: Remove PV Negative block
Remove terminal block covers by lifting gently
Remove PV Positive Combined Out lug by
removing nuts on breakers. It will be reinstalled in
Step 4
Step 2: Remove PV Positive Combined Out and
Negative box lugs
Remove two bolts holding small busbar.
Remove small busbar from PV Positive lug
Step 3: Remove small busbar from PV
Positive Combined Out lug
Reinstall PV Positive Output box lug in its original
position using a 7/16” boxwrench. See torque chart
on page 4. Install sealed 10-32 X 3/8 screw through
bottom into red insulator brass insert
Step 4: Reinstall PV Positive box lug.
Replace red insulator block with a white one.
Remove PV Negative Output lug and set aside. It is
not used in the 2 Inverter/Non-Isolated configuration.
Change left “PV POSITIVE” label to “PV
NEGATIVE” on Non-Isolated configuration only.