Delta M100 210, Operation And Installation Manual

Page: 37 / 166

DC-
DC+
DC-
DC+
❶
❶
❷
❷
(1) Pass two pairs of PV cables (Total 4 DC cables) through M40 and M25 glands
separately, the inner rubber of each cable gland must fit with the diameter of
the cable.
(2) Follow the polarity as shown in
Figure 3-18 to insert PV+ or PV- cable to
each terminal
(3) Use M10 spanner to tighten nuts with 16 N-m torque
(4) Fasten all M40 and M25 glands for sealing
Two PV combiner box input
DC busbar
DC-
DC+
❶ ❷
❶ ❷
After inserting conductor,
tighten by 16 N
•
m torque
Figure 3-18: wiring of DC busbar (for 2 PV combiner box)
WARNING !
- Reverse pole connection is prohibited that will damage the inverter.
- Only accept under 1100V maximum PV strings to the inverter
37
Installation