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Appendix D: Connecting the AC and DC Strings to the DC Safety Unit Appendix D: Connecting the AC and DC Strings to the DC Safety Unit Extended power three phase inverters (SE25K-SE33.3K) can be supplied with an optional integrated DC Safety Unit. The DC Safety Unit includes: • Mechanical DC switch (2-pole disconnection) • DC surge protection (Type II) • DC fuses (plus & minus; optional) This section describes connections to DC Safety Unit with or without fuses. The following figure illustrates the DC Safety Unit supplied with fuses. Figure 37: Inside the DC Safety Unit with fuses SolarEdge-Installation Guide MAN-01-00057-3.1 103
Connecting the AC Grid to the Inverter Connecting the AC Grid to the Inverter Use a five-wire cable for this connection. The maximum wire size for the input terminal blocks is 16mm². To connect the AC grid to the inverter via the DC Safety Unit: 1. Turn OFF the following: • The inverter ON/OFF switch • The AC circuit breaker • The DC Safety Switch Unit 2. Open the inverter cover: Release the Allen screws and carefully move the cover horizontally before lowering it. CAUTION! When removing the cover, make sure not to damage internal components. SolarEdge will not be held responsible for any components damaged as a result of incautious cover removal. 3. Loosen the screws on the front cover of the DC Safety Unit, as shown below: 4. Remove the DC Safety Unit cover. Figure 38: Opening the DC Safety Unit cover 5. Strip 35 cm of the external cable insulation and strip 8 mm of the internal wire insulation. Figure 39: Insulation stripping – AC 6. Open the AC cable gland and insert the cable through the gland (see Figure 37). 7. Connect the grounding wire to the equipment grounding terminal in the DC Safety Unit. NOTE Connect the equipment grounding before connecting the AC wires to the AC terminal block. 104 SolarEdge-Installation Guide MAN-01-00057-3.1
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SolarEdge Installation Guide For Eu
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Support and Contact Information Sup
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Support and Contact Information LCD
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HANDLING AND SAFETY INSTRUCTIONS HA
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IMPORTANT SAFETY INSTRUCTIONS NOTE
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Installation Procedure Installation
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Chapter 2: Installing the Power Opt
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Step 1: Mounting the Power Optimize
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Step 4: Verifying Proper Power Opti
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Chapter 3: Installing the Inverter
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Mounting the Inverter • AC output
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Mounting the Inverter 2. Position t
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Mounting the Inverter Figure 9: Han
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Connecting the AC Grid to the Inver
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Selecting a Residual Current Device
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Step 1: Activating the System 9. Cl
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Step 2: Pairing Power Optimizers to
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Step 4: Reporting and Monitoring In
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Chapter 6: User Interface Chapter 6
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Configuring the Inverter Using the
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Configuring the Inverter Using the
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Configuration Menu Options Maintena
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Communication LAN Conf: RS485-1 Con
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Maintenance Maintenance Select Main
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Status Screens - Operational Mode S
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Telemetry Status Telemetry Status T
Page 53 and 54: Communication Ports Status • IP:
Page 55 and 56: Power Control Status Power Control
Page 57 and 58: Removing the Inverter Cover Figure
Page 59 and 60: Creating an Ethernet (LAN) Connecti
Page 61 and 62: Creating an RS485 Bus Connection 9.
Page 63 and 64: Creating an RS485 Bus Connection 6.
Page 65 and 66: Creating a Wireless ZigBee Connecti
Page 67 and 68: Appendix A: Errors and Troubleshoot
Page 69 and 70: Troubleshooting RS485 Communication
Page 71 and 72: Error Codes WARNING! All Warnings a
Page 73 and 74: Error Codes Error # Single Phase Er
Page 79 and 80: Power Optimizer Troubleshooting Pow
Page 81 and 82: Power Optimizer Troubleshooting Pro
Page 83 and 84: Appendix B: Technical Specification
Page 85 and 86: Appendix B: Technical Specification
Page 87 and 88: Technical Specifications - Three Ph
Page 89 and 90: SE4K - SE12.5K SE4K SE5K SE7K SE8K
Page 91 and 92: SE15K - SE33.3K SE15K - SE33.3K 1 S
Page 93 and 94: SE15K - SE33.3K SE15K SE16K SE17K S
Page 95 and 96: SE15K - SE33.3K SE15K SE16K SE17K S
Page 97 and 98: Appendix C: Mechanical Specificatio
Page 99 and 100: Single Phase Inverter and Mounting
Page 101 and 102: Three Phase Inverter and Mounting B
Page 103: Three Phase Inverter and Mounting B
Page 107 and 108: Connecting the Strings to the DC Sa
Page 109 and 110: Appendix E: Safe DC Appendix E: Saf
Page 111 and 112: External Fan Replacement 3. Use a P
Page 113: Adding, Removing, or Replacing Powe
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