MPP Solar PIP-MS 1-5KVA Guide d'installation télécharger pdf (Page 15)

Step 4: Switch on all AC breakers of Line wires in AC input. It’s better to have all inverters connect to utility at

the same time. If not, it will display fault 82 in following-order inverters. However, these inverters will

automatically restart. If detecting AC connection, they will work normally.

LCD display in Master unit

LCD display in Slave unit

Step 5: If there is no more fault alarm, the parallel system is completely installed.

Step 6: Please switch on all breakers of Line wires in load side. This system will start to provide power to the

load.

Support three-phase equipment

Step 1: Check the following requirements before commissioning:

 Correct wire connection

 Ensure all breakers in Line wires of load side are open and each Neutral wires of each unit are connected

together.

Step 2: Turn on all units and configure LCD program 28 as P1, P2 and P3 sequentially. And then shut down all

units.

NOTE: It’s necessary to turn off switch when setting LCD program. Otherwise, the setting can not be

programmed.

Step 3: Turn on all units sequentially.

LCD display in L1-phase unit LCD display in L2-phase unit

LCD display in L3-phase unit

Step 4: Switch on all AC breakers of Line wires in AC input. If AC connection is detected and three phases are

matched with unit setting, they will work normally. Otherwise, the AC icon will flash and they will not work

in line mode.

LCD display in L1-phase unit

LCD display in L2-phase unit

LCD display in L3-phase unit

Step 5: If there is no more fault alarm, the system to support 3-phase equipment is completely installed.

Step 6: Please switch on all breakers of Line wires in load side. This system will start to provide power to the

load.

Note 1: To avoid overload occurring, before turning on breakers in load side, it’s better to have whole system

in operation first.

Note 2: Transfer time for this operation exists. Power interruption may happen to critical devices, which cannot

bear transfer time.

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MPP Solar PIP-MS 1-5KVA Guide d'installation Page 15