Fimer PVS980-58 User manual

Central inverter
PVS980-58
From 1818 to 2091 kVA
Hardware manual

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Hardware manual
PVS980-58 central inverters
(from 1818 to 2091 kVA)
3AXD50000026013 Rev F
EN
EFFECTIVE: 2020-05-13
 2020 FIMER. All Rights Reserved.

3
Table of contents
1. Safety instructions
Use of warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installation and maintenance safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
General safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Safe start-up and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2. Introduction
Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Target audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Commissioning and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Categorization and option code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Generic disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Cybersecurity disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Terms and abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3. Storing, lifting and transporting
Moving the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Storing the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Lifting the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
With a crane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
With a forklift truck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Transporting the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4. Operation principle and hardware description
Product overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Block diagram of a solar generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Simplified main circuit diagram, standard unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Simplified main circuit diagram, options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Layout drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Auxiliary power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
External auxiliary voltage supply (default) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Internal auxiliary voltage supply (+G415) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Internal auxiliary voltage supply with 1-phase 2 kVA customer auxiliary power output
(+G415+G410) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Overview of power and control connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Fast power off (FPO) circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Startup after FPO activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Type designation labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Inverter label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Inverter power module label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Type designation key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

4
Basic code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
PVS980 IEC version standard features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
PVS980 UL version (+C129) standard features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Option codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
5. Mechanical installation
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Required tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Checking the delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Constructing the foundation for the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Preparation of the ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Placing the inverter on the foundation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Fastening the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Constructing earthing electrode and earthing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Adding the cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Filling the pit and finalizing the surroundings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
6. Planning the electrical installation
Limitation of liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Selecting the transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Transformer requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Selecting the grid disconnecting device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Selecting the DC input disconnecting device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Compatibility of the solar generator and inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Selecting the power cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Busbar dimensioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Sufficient shield conductivity to suppress emissions . . . . . . . . . . . . . . . . . . . . . . . . . 61
Recommended AC output power cable types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Not allowed AC output power cable types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Example DC input power cable sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Example AC output power cable sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Selecting the control cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Signals in separate cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Signals allowed to be run in the same cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Relay cable type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
I/O connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Cable lead-throughs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
DC connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
DC cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
AC connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Protecting the contacts of relay outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Protection in short-circuit situations and against thermal overload . . . . . . . . . . . . . . . . 72
Protecting the inverter and AC output cable in short-circuit situations . . . . . . . . . . . 72
Protecting the photovoltaic generator and DC input cable in short-circuit situations . 72
Protecting the inverter and the AC output cable against thermal overload . . . . . . . . 72
Protecting the DC input cable against thermal overload . . . . . . . . . . . . . . . . . . . . . . 72
Protecting against ground faults in the DC input cable or solar generator . . . . . . . . . . . 73
Insulation monitoring device MIRU-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Functional grounding unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Inverters without input DC fuses (option +0F291) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

5
Ethernet switch (option +K480) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
7. Electrical installation
Insulation test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
AC output cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
PV generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Tightening torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Routing the cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Separate control cable ducts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Connecting the power cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Connection diagram of a four-conductor system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
DC input cable connection procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
AC output cable connection procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
PVS980-58 AC busbar connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Connecting the control cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Connecting the cables to the I/O terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Connecting a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Connecting an Ethernet switch (option +K480) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
8. Installation checklist
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
9. Technical data
Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Derating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Temperature derating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Altitude derating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
DC voltage based derating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
DC input fuse recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Free space requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Cooling data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Terminal and lead-through data for the AC power connections . . . . . . . . . . . . . . . . . . 101
Terminal and lead-through data for the DC power connections . . . . . . . . . . . . . . . . . . 102
Terminal and lead-through data for the control cables . . . . . . . . . . . . . . . . . . . . . . . . . 102
AC output connection specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
DC input connection data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Auxiliary power connection data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Standard delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
1-phase output (with option +G410) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
3-phase fused output from the mains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Control unit connection data (BCU-12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Control panel type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Protection classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Applicable standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
CE mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

6
Compliance with the European Low Voltage Directive . . . . . . . . . . . . . . . . . . . . . . 115
Compliance with the European EMC directive . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Compliance with international EMC standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
UL mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
RCM mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
10. Dimension drawings
Cabinet dimensions (AC cabling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Cabinet attachment points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Blind cable lead-through plates (standard delivery) . . . . . . . . . . . . . . . . . . . . . . . . . . 120
DC cabling lead-throughs (8 inputs, +8H382+H357) . . . . . . . . . . . . . . . . . . . . . . . . . . 121
DC cabling lead-throughs (12 inputs, +12H382+H357) . . . . . . . . . . . . . . . . . . . . . . . . 122
DC cabling lead-throughs (16 inputs, +16H382+H357) . . . . . . . . . . . . . . . . . . . . . . . . 123
DC cabling lead-throughs (20 inputs, +20H382) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
DC cabling lead-throughs (24 inputs, +24H382) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
AC cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
AC busbars (option +G317) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
DC cabling (8 inputs, +8H382) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
DC cabling (12 inputs, +12H382) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
DC cabling (16 inputs, +16H382) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
DC cabling (20 inputs, +20H382) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
DC cabling (24 inputs, +24H382) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Auxiliary power and I/O connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Example of inverter foundation dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Inverter foundation reinforcement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Inverter foundation layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
11. Control unit
BCU control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Layout and connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
AC500 PLC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
ABB PM564 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
ABB PM573 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
ABB AI523 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
ABB AI561 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
ABB DI562 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
ABB DO571 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
ABB DA501 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
ABB DX522 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Default I/O connection table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
BCU-12 (-A41) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
AC500 module PM564 (-A500) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
AC500 module AI523 #1 (-A510) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
AC500 module AI523 #2 (-A511) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
AC500 module AI561 #1 (-A520) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
AC500 module AI561 #2 (-A521) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
AC500 module DI562 #1 (-A530) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
AC500 module DI562 #3 (-A531) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
AC500 module DO571 #1 (-A541) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
AC500 module DO571 #2 (-A542) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
AC500 module AI523-XC #1 (-A510) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
AC500 module AI523-XC #2 (-A511) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

7
AC500 module AI523-XC #3 (-A512) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
AC500 module DA501 (-A550) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
AC500 module DX522 #1 (-A560) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
AC500 module DX522 #2 (-A561) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

8

Safety instructions 9
1
Safety instructions
This chapter contains the safety instructions which you must obey when you install and
operate the inverter and do maintenance on the inverter. Obey these safety instructions to
prevent injury or death, or damage to the equipment.
Use of warnings
Warnings tell you about conditions which can cause injury or death, or damage to the
equipment. They also tell you how to prevent the danger.
The manual uses these warning symbols:
Electricity warning – Electrical hazards which can cause injury or death, or
damage to the equipment.
General warning – Conditions, other than those caused by electricity, which
can cause injury or death, or damage to the equipment.
Electrostatic sensitive devices warning – Risk of electrostatic discharge
which can cause damage to the equipment.

10 Safety instructions
Installation and maintenance safety
Electrical safety
These instructions are for all personnel who work on the inverter, its input and output
cables, the transformer or photovoltaic generator.
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment.
•If you are not a qualified electrician, do not do electrical installation or
maintenance work.
•Obey all installation safety standards. This can require, among other things, the use of
personal protection equipment (PPE), such as arc-proof clothing, arc-proof masks,
protective footwear, protective gloves, eye protection and hearing protection. High
power inverter installations have high fault currents. Select appropriate arc-proof
clothing (for example, in the US, a rating of 40 cal/cm2 is required).
•Standard IEC/EN 62109-2 (section 4.8.3.6) requires that, as the inverter is not
provided with full protection against shock hazards on the photovoltaic generator, you
install and use the inverter in a closed electrical operating area only. There is no RCD
protection inside the inverter.
•Do not do work on the photovoltaic generator, or the inverter, or its input or output
cables, when the inverter is connected to an electrical power system, or to the
photovoltaic generator. Voltage may be present when the panels are exposed to light.
•Before you do work in the inverter cabinet, isolate the AC line cables and busbars from
the electrical power system with the disconnector of the power system transformer.
Also, isolate the inverter from the photovoltaic generator with the safety switch of the
generator or by other means. The optional AC disconnectors or optional breakers do
not isolate the AC output cables and terminals of the inverter from the electrical power
system. The optional DC disconnectors do not isolate the DC input fuses, cables or
terminals from the DC voltage supplied by the photovoltaic generator. There are
service access areas that remain energized during service, but sufficient guards are
provided for indirect contact.
•There are more than one live circuits. Refer to the single line diagram.
•CSA requirements: AC output circuits are isolated from the enclosure. AC system
grounding, when required by the Canadian Electrical Code, is to be done in the
installation.
•Before you do work in the inverter cabinet, turn off or isolate the auxiliary voltage
supply from the inverter.
•The inverter auxiliary power can be supplied from an external source (standard) or
from internal auxiliary power transformers. Make sure that auxiliary power is
disconnected.
•The inverter power section doors are equipped with sensors that monitor door status.
If the door is opened during inverter operation, the inverter will signal a fault and
disconnect from the grid. Do not modify the operation of these door sensors.
•Do not operate the inverter with the doors open, even in fault tracking conditions. The
inverter doors act as arc hazard protection. If a highly unlikely arc flash incident
happens when the inverter doors are open, the arc-flash proof protection equipment
might not provide sufficient protection.

Safety instructions 11
•Before you do work on the inverter, apply a temporary grounding for work (AC and DC
side).
•Do not do work on the control cables when power is applied to the inverter or to the
external control circuits. Externally supplied control circuits can cause dangerous
voltages in the inverter even when the main power on the inverter is off.
•Live parts in the inverter cabinet are protected against direct contact when all
protective plastic covers and metallic shrouds are in place.
•Do not do insulation or voltage withstand tests on the inverter or inverter modules.
•The installation must be done according to the local requirements (for example,
ANSI/NFPA 70, Canadian Electrical Code, and so on).
•Utility interconnection may require approval from the authority with local jurisdiction.
Note: With DC side functional grounding (negative as standard, positive
functional grounding optional), one of the poles of the photovoltaic generator is
grounded, and therefore, the other pole has full voltage against ground (up to
1500 V).
Grounding
These instructions are for all personnel who are responsible for the grounding of the
inverter.
WARNING! Obey these instructions to prevent injury or death, damage to the
equipment and electromagnetic interference.
•Only qualified electricians are allowed to perform grounding work.
•Always ground the inverter and adjoining equipment. Correct grounding also
decreases electromagnetic emissions and interference. Follow the site’s policy on
disconnecting the inverter from AC and DC.
•The minimum cross section of the grounding conductor must be at least half of the
cross section of the line conductor or fulfill the local regulations. Refer to standard
IEC 60364-5-54.
•In a multiple-inverter installation, connect each inverter separately to the protective
earth (PE) busbar of the switch board or the transformer.
•Avoid grounding loops and keep grounding cables at least 0.5 m away from the AC
cables, as current can be generated to a grounding loop by the electromagnetic
coupling from the supply cables.
•When you use shielded AC power cables, connect the cable shields to the protective
earth (PE) to meet safety regulations.
•External EMC filters are not permitted at the AC output of the inverter.
•Do not install the inverter on a TN (grounded) system.
Notes:
• You can use power cable shields as grounding conductors only if their
conductivity is sufficient.
• The normal touch current of the inverter can be more than 3.5 mA AC or
10 mA DC, use a fixed protective earth connection. Refer to standard
IEC/EN 62109, 5.2.5.

12 Safety instructions
Electric welding
WARNING! Do not fasten the cabinet by electric welding. FIMER does not
assume any liability for damages caused by electric welding as the welding circuit
can damage electronic circuits in the cabinet, as well as the doors or the cabinet.
Electrical safety precautions
These precautions are for all personnel who work on the inverter, its input and output
cables, the transformer or the photovoltaic modules.
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment. You must be a qualified electrician to do installation and service work.
Review these steps before you do installation or maintenance work on the
inverter.
1. Prepare for the work. Make sure that you have a work order. Select the applicable
personal protective equipment.
2. Clearly identify the work location and equipment. Make sure that there is an escape
route available in case of an emergency.
3. Disconnect all power sources and secure against reconnection. (Not all disconnectors
provide sufficient isolation against voltage surges.)
•Disconnect the inverter from the AC supply (normally a disconnector or a breaker
on the HV side of the main transformer), because the optional AC disconnectors
or breakers of the inverter do not remove the voltage from the AC output busbars
of the inverter (a).
•Disconnect the inverter from the DC power supply (usually the DC switches of the
solar array junction boxes or the DC combiner box), because the optional DC
disconnectors do not remove the voltage from the inverter input busbars or fuses
(b).
•Disconnect the possible UPS or other auxiliary external power supplies (c).
•Make sure that reconnection is not possible. Lock all of the disconnectors in the
open position and attach a warning notice to them (lockout-tagout).
•After you disconnect the inverter, wait for at least 5 minutes to let the capacitors
discharge before you continue.
HV ring main unit (RMU)
External
auxiliary
power
a
b
b
c

Safety instructions 13
4. Make sure that there is no voltage present.
•Use a voltage detector with nominal voltage of 1500 V DC and minimum withstand
voltage of 3000 V DC (in rare fault cases the voltage on the DC terminal can be
two times the system voltage). The detector must be rated for outdoor use, and
must have a self-testing feature to ensure that it works correctly. Notice the
weather conditions of the site when you do the measurements: do not measure in
wet conditions. Do not use a multimeter.
•Make sure that the voltage between the inverter AC output terminals (L1, L2, L3)
and the grounding (PE) busbar is close to 0 V. Measure every phase-to-phase and
phase-to-ground voltage (L1-L2, L1-L3, L2-L3, L1-GND, L2-GND and L3-GND).
•Make sure that the voltage between the inverter power module UDC+ and UDC-
terminals and the grounding (PE) busbar is close to 0 V.
•Make sure that the voltage between the DC input terminals DC+ and DC- and the
grounding (PE) busbar is close to 0 V.
5. Install temporary grounding. Connect the AC and DC busbars (in both DC sections) to
the PE with a temporary grounding tool. Temporary grounding must withstand the
available short circuit current of the AC or DC supply. One temporary grounding device
may not be enough on the AC side. 25 mm ball grounding terminals are provided in
some cases.
The temporary grounding cables must be dimensioned to withstand the prospective
current of the system until the upstream protection device clears the fault current. The
temporary grounding cables should be tied tightly to the busbars or the frame unit as
the forces of the short circuit current can cause the temporary grounding cables to
move hazardously.
6. Protect any other energized parts in the work location against contact. Take special
precautions when you work near bare conductors.
7. Ask the person in charge of work for a permit to work.
After you finish the work, make sure that the inverter is clean from inside and that all the
tools have been removed from inside the inverter, remove the temporary grounding and
inform the person responsible that work is complete. After you make sure that the voltage
can be connected, close all the doors of the inverter, and close the disconnectors. When
connecting voltage back on, do not stand right next to the inverter. Also make sure that
there is an escape route available in case of an emergency.

14 Safety instructions
General safety
These instructions are for all personnel who install the inverter and/or perform
maintenance work on it.
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment.
•Move the inverter power module carefully:
•Use safety shoes with a steel toe cap and protective gloves.
•Use caution when you move the inverter power module. Do not tilt the module.
The module is heavy. Careless handling of the power module may cause it to
topple over resulting in bodily injury and/or damage to the equipment.
•Obey the instructions in all related manuals
•Be aware of the cooling fan blades. The fans can operate for a few seconds after you
disconnect the electrical supply. Do not stick fingers or other objects into the fans.
•Be aware of hot surfaces. Some parts in the inverter cabinet, such as the heat
exchangers are hot after you disconnect the electrical supply.
•Make sure that the debris from the installation work does not go into the inverter.
Electrically conductive debris in the unit can cause damage.
•Do not open the panels of the inverter when it is raining, or when sand or dust can
blow into the unit. Water or sand in the inverter can cause damage in the unit.
Note for UL installations:
The AC input and AC output circuits are isolated from the enclosure and the
ground as standard. There is no Photovoltaic System Grounding. If system
grounding is required by Section 250 of the National Electrical Code,
ANSI/NFPA 70, the system installer must install it. The installation must agree with
the requirements of Sections 690.41 through 690.47 of the National Electrical
Code, ANSI/NFPA 70.
Printed circuit boards
WARNING! Use a grounding wristband when you handle the printed circuit
boards. Do not touch the boards unnecessarily. The boards have components
that are sensitive to electrostatic discharge.
Fiber optic cables
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment.
•Handle the fiber optic cables with care.
•When you disconnect the cables, hold the connector, not the cable.
•Do not touch the ends of the fibers with bare hands as the ends are extremely
sensitive to dirt.
•Do not bend the fiber optic cables too tightly. The minimum permitted bend radius is
35 mm (1.4 in).

Safety instructions 15
Safe start-up and operation
These warnings are for all personnel who commission, plan the operation, or operate the
inverter. For more information, refer to the Commissioning and maintenance manual.
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment.
•Keep all doors of the inverter closed during operation. It is good safety practice to add
locks to inverter doors to prevent unauthorized access. Inverter doors have points for
adding pad locks. Give the keys only to authorized personnel.
•Before you start the inverter, close the optional two AC and two DC disconnectors,
auxiliary measurement unit switch 1F3.4, and the internal auxiliary transformer fuse
switches and overload protection switches 1Q10, 1Q11, 2Q10 and 2Q11.
•During operation, do not open the AC or DC disconnectors.
•Before you adjust the inverter and put it into service, make sure that all of the
equipment is suitable for operation.
•The maximum allowed number of power-ups by applying power is five in ten minutes.
•Do not use the inverter in a manner not specified in this manual.
Note for UL installations:
To reduce the risk of fire, connect the inverter only to a circuit provided with
branch-circuit overcurrent protection in accordance with the National Electrical
Code, ANSI/NFPA 70 for UL installations.
Notes:
• This inverter is intended for operation in an environment with a maximum
ambient temperature of 60 °C.
• If the Start switch is in the ON position, the Inverter enable signal is active, and
the Start command is active, the inverter starts immediately after a fault reset. For
more information, refer to the Firmware manual.

16 Safety instructions

Introduction 17
2
Introduction
This chapter describes the intended audience and contents of the manual.
Applicability
This manual is applicable to the following PVS980-58 central inverters:
•PVS980-58-1818kVA-I
•PVS980-58-1909kVA-J
•PVS980-58-2000kVA-K
•PVS980-58-2091kVA-L
Target audience
This manual is intended for persons who plan the installation of, install, use and service
the unit. Read the manual before you do work on the unit. You are expected to know the
fundamentals of electricity, wiring, electrical components, and electrical schematic
symbols.
Commissioning and maintenance
This hardware manual covers the hardware features of the unit. For information on how to
commission and service the unit, refer to the Commissioning and maintenance manual.
The information in the Commissioning and maintenance manual is intended only for
personnel that is trained and certified by FIMER for the work described.

18 Introduction
Categorization and option code
Some instructions, diagrams, technical data, dimensions and options apply only to specific
units. To identify the unit, refer to Type designation labels on page 42.
The instructions and technical data of optional components are marked with option codes,
for example, +K475. The options included in a unit can be identified from the type
designation label. Refer to Type designation key on page 44.
Disclaimers
Generic disclaimer
The manufacturer shall have no obligation hereunder with respect to any product which (i)
has been improperly repaired or altered; (ii) has been subjected to misuse, negligence or
accident; (iii) has been used in a manner contrary to the Manufacturer's instructions; or (iv)
has failed as a result of ordinary wear and tear. All material in this manual is subject to
change without a further notice. The manual is intended as a non-contractual document.
Cybersecurity disclaimer
This product is designed to be connected to and to communicate information and data via
a network interface. It is the sole responsibility of the customer to provide and continuously
ensure a secure connection between the product and customer network or any other
network (as the case may be). The customer shall establish and maintain any appropriate
measures (such as, but not limited to, the installation of firewalls, application of
authentication measures, encryption of data, installation of anti-virus programs and so on)
to protect the product, the network, its system and the interface against any kind of
security breaches, unauthorized access, interference, intrusion, leakage and/or theft of
data or information. FIMER and its affiliates are not liable for damages and/or losses
related to such security breaches, any unauthorized access, interference, intrusion,
leakage and/or theft of data or information.