Dc Wiring Installation - Delta M100A 280 Operation And Installation Manual

3.5.3 DC Wiring Installation

- Ensure the two DC switches are placed in the "OFF" position during DC
wiring installation.
- DC cable has the right polar connector is important. A wrong polar connection
may cause Short-Circuit or Arcing current that will damage the DC connector.
- Unused DC connectors of the inverter must plug the protective cover for waterproof.
(1) Before the installation, ensure the two DC switches are in the "OFF" position
and be locked for protection. If it can be "ON" during the DC wiring installation,
it may cause DC connector or inverter damage. Even more, it has the risk
of electric shock.
(2) Install the connector holder as shown below.
(3) According to Figure 3-16, follow the DC input pairs and the polar to plug in
the connector. Remind, two PV strings have the same series-quantity in one
MPP tracker.
(4) Unused DC connectors of the inverter or DC wirings must plug the protective
cover.
(5) Ensure all DC wirings are connected to the inverter well and correct. Switch
ON two DC connectors to finish the installation.
DANGER : ELECTRICAL HAZARD!!
ATTENTION
PUSH PUSH
37
Installation
To prop up connectors, holders
should be installed beneath.