Danfoss DLX 4.6 Uživatelská příručka Strana 25
- Strana / 86
- Tabulka s obsahem
- ŘEŠENÍ PROBLÉMŮ
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
User Guide DLX Series L00410623-1 25
• The configuration of a positive grounded PV string differs from an ungrounded PV
string by the connection of the cables to the DC terminal blocks and the addition of a
grounding strap.
• Array configuration depends on the module technology used. Both the positive and
negative DC terminal blocks have three pairs of inputs, which allow three strings to be
connected in parallel. Due to the inverter having one MPP-tracker the PV power should
be identical for every string.
NOTICE
Maximum Voltage: The open circuit voltage, V
OC
, must never exceed 600 V
DC
under any conditions. The voltage generated by PV modules is inversely
proportional to the temperature; at lower temperatures the PV voltage increases
from the nameplate rating and at higher temperatures the PV voltage decreases
from the nameplate rating.
4.3.4.2. Stringbox
The Stringbox is attached to the bottom of the inverter, and provides PV string connection
via the wiring that runs through the plug-in connectors. A DC disconnect switch is
provided and mounted in the Stringbox.
NOTICE
Before removing the lower cover to access the connection terminals ensure that
the DC switch (if supplied) is in the OFF position, and the PV array cables are
disconnected.
Figure 4.3.7: DC disconnect switch
I = ON
0 = OFF
- User Guide 1
- 1. INTRODUCTION 4
- 2. PRODUCT OVERVIEW 5
- 2.3. Symbols Used 6
- 2.3.1. Labels 7
- 2.4.1. Shipping Damage 8
- 2.4.3. Unpacking 9
- 2.4.4. Scope of Delivery 9
- 2.4.5. Inverter Structure 9
- 2.4.5.2. Front Covers 10
- WARNING 10
- CAUTION 11
- 3. SAFETY PRECAUTIONS 12
- 3.1.2. Operation 13
- 3.1.3. Maintenance 13
- 3.2. Site Preparations 14
- 3.2.2. Installation 15
- Systems 16
- 3.3.2.1. AC Fuses 17
- 4. INSTALLATION 18
- 4.2.1. Wall Bracket 19
- 4.2.2. Inverter 20
- 4.3.1. Conductors 22
- 4.3.2. Connection Area 23
- 4.3.3. Grounding 23
- 4.3.4. DC Connections (PV) 24
- 4.3.4.2. Stringbox 25
- 4.3.6. Network Connections 31
- 5. START UP 36
- 5.2.2. User Interface 37
- 5.2.3. Function Keys 38
- 5.2.4. Software Installation 39
- 5.3. Self Test for Italy 47
- 5.3.1. Start 48
- 5.3.2. Voltage Monitoring 49
- 5.3.3. Frequency Monitoring 50
- 5.3.4. Finish 51
- 6. OPERATION 52
- 6.1.2. Home 53
- 6.1.2.1. Upper Display Area 54
- 6.1.3. Status 55
- 6.1.3.1. Active Alarms 56
- 6.1.3.2. Inverter Status 56
- 6.1.3.3. Plant Status 56
- 6.1.4. Setup 57
- 6.1.4.2. Network Setup 58
- 6.1.4.3. Inverter Setup 58
- 6.2.4.4. Plant Setup 59
- 6.2.4.5. Grid Setup 59
- 6.2.5. Commands 62
- 6.2.6. Alarm Setup 63
- 6.1.6.2. Inverter Alarms 64
- 6.1.6.3. Portal Setup 64
- 6.2.7. Event Log 65
- 6.2.8. Statistics 65
- 6.3.1. Without a Network 66
- 6.3.2. With a Network 67
- 6.4. Internal Web Server 69
- 6.4.2. Statistics 70
- 6.4.3. Setup 71
- 6.4.4. Event Log 72
- 6.4.5. Status 73
- 7. TROUBLESHOOTING 74
- 8. MAINTENANCE 78
- 8.2.7. Fan 80
- 8.2.9. Varistors (VDR) 80
- 8.2.9.2. AC Side 81
- 8.3. Replace Devices 83
- 8.4. Return and Disposal 83
- 9. WARRANTY 84
- 10. TECHNICAL DATA 85
- Danfoss Solar Inverters A/S 86
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