Sma SB 6000TL‑US Installation User Manual Page 28
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5 Electrical Connection SMA America, LLC
28 SB6-11TL-US-IA-en-13 Installation Manual
5 Electrical Connection
High voltages on the AC and DC cables
Risk of death or serious injury due to electric shock.
• Only connect the inverters as described in this manual.
• Only electrically qualified persons may work on the inverter.
Ingress of moisture when mounting and installing the Sunny Boy
Potential damage to the Sunny Boy.
• For inserting the conduits into the enclosure and the DC Disconnect, only use UL-certified
rainproof sleeves or waterproof sleeves that fulfill UL 514B.
• Do not open the Sunny Boy in the event of rain or a high level of humidity (>95%).
Damage to the seal of the enclosure lid during frost
When opening the Sunny Boy during frost, the seal of the enclosure lid can be damaged. There may
be an ingress of moisture damaging the Sunny Boy.
• Do not open the Sunny Boy when the outdoor temperature is below 23°F ( − 5°C).
Electrostatic discharges through touching component parts
Potential damage to the Sunny Boy.
• Ground yourself before touching any electronic component.
Ground faults, unreliable and highly resistive connections due to Wire Nuts
®
Potential damage to or failure of the Sunny Boy.
•Do not use Wire Nuts
®
.
Electrical Installations
All electrical installations must be carried out in accordance with the electrical standards
applicable on-site and the National Electrical Code
®
ANSI/NFPA 70. Installations in Canada
must be carried out in accordance with the applicable Canadian standards.
Before connecting the inverter to the power distribution grid, contact your local electric utility
company. This connection may be made only by electrically qualified persons.
- PV Inverter 1
- IMPORTANT SAFETY INSTRUCTIONS 4
- Warnings on this product 5
- General Warnings 6
- Table of Contents 7
- SMA America, LLC 10
- 1 Information on this Manual 11
- 2.1 Intended Use 12
- PV plant design 13
- Grounding the PV modules 14
- 2.2 Safety Precautions 15
- 3 Unpacking and Inspection 16
- 3.3 Position of the Stickers 17
- 3.4 Identifying the Sunny Boy 18
- 4Mounting 19
- Requirements 20
- Recommended clearances 21
- 4 Mounting SMA America, LLC 22
- Mounting on a Stone Wall 23
- Supporting Posts 23
- Inserting the DC varistors 25
- SMA America, LLC 4 Mounting 27
- 5 Electrical Connection 28
- AC Grounding 29
- PV Grounding 29
- DC Grounding Conductor 29
- 5.4 AC Connection 33
- System configuration 34
- AC cable requirements 34
- Load Disconnection Unit 35
- 2357 AB+ 37
- 5.5 DC Connection 39
- 5.5.1 DC Cable Requirements 40
- 5.6 Communication 42
- 6Commissioning 43
- 7 Displays and Messages 47
- 7.2 Display Messages 48
- Feed-in operation 49
- Disturbance 49
- PV overvoltage 50
- 7.3 LED Display 51
- Feed-in Operation 52
- Disturbance or Fault 52
- PV Overvoltage 53
- Ground Fault 53
- 8 Opening and Closing 55
- 8.2 Closing the Sunny Boy 56
- 8.3 Opening the DC Disconnect 58
- 8.4 Closing the DC Disconnect 59
- 9Maintenance 60
- Cleaning the Fans 61
- 9.4 Checking the Fans 63
- Fitting the Jumpers 64
- 9.5.1 DC Varistors 65
- 9.5.2 AC Varistors 67
- 10 Decommissioning 68
- 10.2 Packaging the Sunny Boy 69
- 10.3 Storage 69
- 10.4 Disposal 69
- 11 Technical Data 70
- Protection Devices 71
- General Data 71
- Efficiency 71
- 11.2 Sunny Boy 7000TL-US 72
- Grid Connection 73
- Ambient Conditions 74
- Mechanical Data 74
- 11.3 Sunny Boy 8000TL-US 75
- 11.4 Sunny Boy 9000TL-US 77
- 11.5 Sunny Boy 10000TL-US 80
- 11.6 Sunny Boy 11000TL-US 82
- 11.7 DC Disconnect 85
- Measurement accuracy 86
- *see National Electrical Code 87
- , 310.16 87
- Spare parts 88
- Accessories 88
- 13 Compliance Information 89
- 14 Contact 90
- XXX4."4PMBSDPN 92
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