Schneider Electric Xantrex XW Installationsanleitung Seite 101
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Grounding
975-0239-01-01 4–9
This manual for use by qualified personnel only
Grounding
The Xantrex XW SCC can be configured to be compatible with either
negative-grounded or ungrounded PV systems.
The maximum size of the ground conductor is #6 AWG (16 mm
2
). This wire
gauge is determined by electrical code requirements regarding conduit
knockout sizes, wire bending radius, and space available within the Xantrex XW
Series wiring compartment. For ground conductor requirements for your specific
installation, consult your local electrical code.
Internal Ground Fault Protection
The Xantrex XW SCC has a PV ground fault protection (Xantrex PV GFP) fuse
(600 V, 1 A) and a PV negative-ground jumper located inside the wiring
compartment. These provide a negative ground bond and ground-fault
protection for negative grounded PV array systems common in North American
installations. Replace the fuse with Littelfuse KLKD 1 or equivalent.
WARNING: Fire hazard
• Fuses must only be replaced by qualified service personnel, such as a
certified electrician or technician. For continued protection against risk of fire,
replace only with the same type and rating of fuse.
• If Xantrex PV GFP is enabled, do not ground either PV negative or battery
negative circuits. Grounding these circuits will defeat the internal Xantrex PV
GFP protective function.
WARNING: Shock hazard
Disconnect PV and battery circuits before removing the grounding connections
or before removing or installing the Xantrex PV GFP fuse. Wait at least 4 minutes
for the internal circuitry to discharge before servicing the unit.
Important: Only one Xantrex XW SCC is to have the Xantrex PV GFP fuse
installed in installations with multiple parallel units. Before mounting and
connecting the Xantrex XW Solar Charge Controllers, remove the Xantrex PV GFP
fuse from each unit except one.
CAUTION
The factory default configuration of the Xantrex XW SCC will ground the PV array
negative to the chassis ground through the internal Xantrex PV GFP fuse.
The Xantrex PV GFP circuit must be disabled for ungrounded PV arrays.
- Xantrex™ XW Power System 1
- Xantrex XW Power System 3
- Copyright and Contact 4
- About This Guide 5
- Conventions Used 6
- Related Information 6
- Important Safety Instructions 7
- Limitations on Use 8
- Single-phase Operation Only 8
- Explosive Gas Precautions 8
- FCC Information to the User 9
- Contents 11
- A Specifications 14
- B Wiring Diagrams 14
- 1 Introduction 21
- System Overview 22
- Xantrex XW Conduit Box 24
- 975-0239-01-01 1–5 25
- FGA Number: 28
- 865-1050 28
- 865-1060 29
- 2 Inverter/Charger 31
- Pre-Installation 32
- Clearance Requirements 34
- Mounting 34
- Inverter/Charger Installation 36
- 2–6 975-0239-01-01 36
- Step 2: Mounting the Inverter 37
- Step 4: Wiring the Inverter 39
- Inverter Grounding 44
- Grounding the DC System 45
- 975-0239-01-01 2–17 47
- Making DC Connections 48
- Making AC Connections 50
- CAUTION: 51
- Damage to the Inverter 51
- Grounding the AC System 53
- 2–26 975-0239-01-01 56
- 975-0239-01-01 2–27 57
- Distribution Panel 58
- AUX Port 60
- User Line Wiring 61
- AUX Port Terminal Assignments 61
- Confirm All Connections 62
- Enable the Inverter 63
- AC Voltage Check 64
- 2–36 975-0239-01-01 66
- Installation Steps 67
- Power Distribution Panel 68
- 975-0239-01-01 2–39 69
- 975-0239-01-01 2–41 71
- 2–42 975-0239-01-01 72
- See Figure 2-9 on page 2–14 76
- 975-0239-01-01 2–47 77
- 2–48 975-0239-01-01 78
- 2–52 975-0239-01-01 82
- 975-0239-01-01 2–53 83
- 3 Xantrex Xanbus 85
- The Xantrex Xanbus System 86
- Network Components 87
- Ordering Network Components 88
- Network Layout 89
- Installing the Network 90
- 4 Xantrex XW Solar 93
- PV Array Requirements 94
- Remove screws to access 97
- Removing Knockouts 98
- Mounting the Controller 99
- Secure with two more screws 100
- Place keyhole slot 100
- ¼" 6 mm 100
- Grounding 101
- WARNING: Shock Hazard 102
- WARNING: Fire Hazard 102
- Ungrounded Arrays 103
- Minimum Wire Gauge 105
- Over-current Protection 105
- Current Rating 105
- WARNING: Equipment damage 106
- Commissioning 111
- 5 Xantrex XW System 115
- Materials and Tools Required 117
- Choosing a Location 117
- WARNING: Explosion hazard 117
- WARNING: Shock hazard 118
- Rotate tabs to 119
- CAUTION: Equipment damage 120
- Verifying the Installation 122
- Preparing an Installation 123
- WARNING: Explosion Hazard 124
- CAUTION: Shock Hazard 126
- N/OFF/LED Indicator 128
- N/OFF/LED Indicator return 128
- Connecting the Generator 129
- CAUTION: Equipment Damage 131
- N/OFF switch. This light 132
- Verifying Power Is Available 135
- A Specifications 137
- Electrical Specifications 138
- Connection 139
- Specifications 140
- A–4 975-0239-01-01 140
- Ambient Temperature (°C) 141
- Xantrex XW Series Efficiency 142
- Charging Power Factor 143
- Mechanical Specifications 144
- Accessories 145
- B Wiring Diagrams 147
- 975-0239-01-01 B–3 149
- Xantrex Xanbus 150
- Network Terminator 150
- Xantrex XW Inverter/Charger 150
- Wiring Diagrams 152
- B–6 975-0239-01-01 152
- 975-0239-01-01 B–7 153
- B–8 975-0239-01-01 154
- C Alternate System 155
- 975-0239-01-01 C–3 157
- C–4 975-0239-01-01 158
- 975-0239-01-01 C–5 159
- CAUTION: Damage to Equipment 161
- Schneider Electric 166
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