VII
5.2 INSTALLATION DIRECTION
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27
5.3 INSTALLATION OF INVERTER
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28
6 ELECTRICAL CONN ECTION
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31
6.1 CONNECTING TERMINALS OF INVERTER
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32
6.2 SCHEMATIC DIAGRAM OF ELECTRICAL CONNECTION
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33
6.3 CABLE SELECTION
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34
6.4 AC SIDE ELECTRICAL CONNECTION
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34
6.5 DC SIDE CONNECTION
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38
6.6 WATER LEVEL SENSOR CONNECTION
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40
6.6.1 Water level sensor interface define
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41
6.6.2 Water level sensor connection
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42
6.7 COMMUNICATION CONNECTION
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44
6.7.1 RS485 Communication
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44
6.7.2 GPRS Communication
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47
6.8 DISASSEMBLING
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47
6.8.1Safety Instruction
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47
6.8.2 Mounting and dismounting of cover panel
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48
7 COMMISSIONING
.......................................................................................................
49
7.1 VERIFY BEFORE COMMISSIONING
..............................................................................
49
7.2 INVERTER COMMISSIONING
......................................................................................
49
7.3 MODIFY MOTOR PARAMETERS
...................................................................................
51
7.4 MOTOR PARAMETERS’ DETECTION AND COMMISSIONING
...........................................
52
7.4.1 Motor parameters’ detection
.....................................................................
52
7.4.2 Commission
...................................................................................................
53
7.5 INVERTER OPERATION MODE SWITCH
.......................................................................
56
7.6 OVERLOAD CURRENT SETTING
...................................................................................
56