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PVP250kW & PVP260kW Inverter
Installation & Operation Manual
6.4 Ground Fault Interrupt Device
The inverter is equipped with a Ground Fault Detector Interrupter (GFDI). The purpose
of the GFDI is to detect a ground fault (unintended current ow from the solar panels to
earth ground) and in this event, disable the inverter.
!
WARNING
For the GFDI circuit to function as designed, the solar array safety ground
must not be connected to the PV array positive or negative leads.
Bonding the safety ground to the grounded leg of the array anywhere but
through the inverter will cause the GFDI circuit to be bypassed. This would
defeat the operation of the GFDI and potentially create an unsafe operating
condition.
!
AVERTISSEMENT
Pour que le circuit GFDI fonctionne normalement, la prise de terre de sécurité
du système PV ne doit pas être branché aux câbles positifs ou négatifs des
piles PV.
Brancher la prise de terre de sécurité au pied des piles ou à toute autre partie
que l’onduleur causerait une mise hors circuit du GFDI. Ceci ne empêcherait
le fonctionnement normale du circuit GFDI et créerait des conditions de
fonctionnement potentiellement dangereuses.
The GFDI functions using a 5A fuse to connect or bond the solar array Negative (or the
solar array Positive, if using a positively grounded panel array) to earth ground on the DC
Distribution PCB.
If the ground fault current exceeds 5A between the grounded array terminal and the earth
ground, the fuse will open and disconnect the solar panels from their ground reference,
interrupting the ground fault. In this situation, the inverter will cease operation and
display a fault message (see
Appendix D - Limits, Fault Codes, Torque Values, and Wire
Sizes
).
Figure 6-9 Ground Fault Error Message
If the inverter displays a ground fault as shown in Figure 6-9, turn OFF the AC and DC to
the inverter and refer to
Chapter 7, Maintenance & Troubleshooting
.
- 97-600100-28-C 1
- Acronyms and Abbreviations 7
- Table of Contents 9
- List of Tables 11
- List of Figures 12
- 1. Introduction 15
- 1.2 Product Characteristics 16
- 1.3 Product Features 16
- Card Cage Assembly 18
- Controller PCB 18
- Power Distribution PCB 18
- Communications PCB 18
- Figure 1-4 AC Sub Panel 19
- AC Sense & DC Power 20
- Supply Fuses 20
- Power Supply Fuses (optional) 20
- Soft Start Fuses 20
- DC Sub Panel 21
- AVERTISSEMENT 22
- 2. Safety 25
- 2.3 Personal Safety 29
- 2.4 Wiring Requirement 29
- PRUDENCE 31
- Model 480VAC 600VAC 32
- 3. Planning 35
- 3.4 Conduits and Conductors 36
- CAUTION 38
- WARNING 38
- 3.7 Grid Interconnection 39
- 3.8 Monitoring 39
- 3.10 PV Array Input 40
- 4. Installation 41
- Figure 4-2 Screen Check 43
- Figure 4-7 Screen Inspection 44
- Figure 4-9 Fan Inspection 45
- 4.3 Setting and Anchoring 46
- 4.4 Conduit Entry 47
- 4.5 Electrical Connections 48
- 2 inch straight 49
- Lower cabinet 49
- PVP250kW 400A 350A 52
- PVP260kW 400A N/A 52
- PVP260kW-LV 400A N/A 52
- 480VAC 422VAC – 528VAC 52
- 600VAC 528VAC - 660VAC 52
- 4.7 DC Wiring 55
- 1 2 3 4 5 6 7 8 58
- 4.4 Conduit Entry 59
- Chapter 5, Modbus 60
- Network Installation 60
- C. Connect the Modbus cable 64
- Table 5-4 Biasing Enabled 67
- Modbus Register Maps 70
- 6. Operation 77
- Initialize 79
- Disabled 79
- 6.5 Shutdown Procedure 84
- Figure 7-1 Air Intake Hood 87
- 7.5 Faults and Warnings 88
- 7.6 Troubleshooting Faults 90
- Start Up Procedure 92
- Status LED Lights 93
- Figure 7-7 Comm X PCB Lights 94
- DNS Failure Long-Short-Short 95
- Torque Values, and Wire Sizes 96
- Appendix A - Specifications 97
- Appendix B - Wiring Diagram 99
- 3 PHASE AC OUT 100
- INSTALLER 100
- INSTALLER LANDINGS 100
- LANDINGS 100
- APPENDIX C 102
- 10-810006-06 103
- WEIV MOTTOB 104
- Values, and Wire Sizes 108
- DC Subcombiner Inputs 112
- Requirements Checklist 114
- Appendix F - Efficiency Curves 116
- CEC Efficiency = 96.5% 117
- CEC Efficiency = 97.0% 118
- Limited Warranty 124
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