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GRIDFREE The Tui Solar Nest Installation Manual

Pre-wired cabinet
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The Tui Solar Nest
Pre-wired Cabinet
Installation Manual

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Summary of Contents for GRIDFREE The Tui Solar Nest

  • Page 1 The Tui Solar Nest Pre-wired Cabinet Installation Manual...

  • Page 2: Warning - Read Carefully

    WARNING - READ CAREFULLY While this manual seeks to be as comprehensive as possible, some aspects are not covered due to the different requirements for each installation. We recommend consulting the applicable standards for all installations. These may include: • AS/NZ 3000 •...
  • Page 3 We are always happy to help guide you through the install, troubleshoot, and answer any questions. You can contact us on 09 218 5533, or info@gridfree.store. We recommend reading these instructions and the product manuals in full prior to starting your install.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS Kit Contents Required Tools / Solar Mount Options Wiring Overview Secure Cabinet Install Batteries Battery Wiring DIP Switch Settings Solar Panel Wiring PV Cabinet Wiring AC Cabinet Wiring Shutdown Procedure Start-up Procedure Troubleshooting Contact Us...

  • Page 6: Kit Contents

    KIT CONTENTS Please check that you have everything that is listed here on arrival. 2x 5kWh ES100 II Lithium batteries 1x PV Combiner MCB Enclosure 2x PV DC 4x Leader Fuse 12x PERC MONO Solar Panel Isolator Switch and Fuse Holder 1x MC4 Crimp 1x Pack of Safety Stickers Tool Set...

  • Page 7: Required Tools / Solar Mount Options

    REQUIRED TOOLS Screwdrivers Drill Wire Cutters 6mm Allen Key MC4 Crimping Set Wire Strippers Socket set Spanner SOLAR MOUNT OPTIONS Ground Tilt Corrugated L-Feet Required Tools / Solar Mount Options...

  • Page 8: Wiring Overview

    WIRING OVERVIEW Cabinet Battery Compartment Solar Panels PV DC Isolator Switch PV Combiner and Fuses Monitoring and Configuration Panel AC Output AC Input IP66 IP66 PV ARRAY PV ARRAY DC ISOLATOR DC ISOLATOR ON I ON I Charge Warning Fault SISO SWITCH SISO SWITCH Invert...

  • Page 9: Secure Cabinet

    SECURE CABINET Clearance Requirements: When selecting a location to install the cabinet both access doors require a minimum of 1000mm clearance, with no obstructions. For air flow, the other sides require at least 300mm. When the cabinet is in its final location.
  • Page 10 When the cabinet is in position and the feet have been lowered. Install the mounting brackets into the bottom of the cabinet and mark the position of the bolt holes on the floor. The bolt holes in the bracket are designed to accept m 10 bolts.

  • Page 11: Install Batteries

    INSTALL BATTERIES Battery 3 and 4 are an optional upgrade. The cabinet comes with 2 batteries as standard. Before Installing the batteries, remove the screws and check the clip-in nuts are in the correct location for each battery. Install the batteries starting at the top right corner and then in each slot moving in an anti-clockwise direction.

  • Page 12: Battery Wiring

    BATTERY WIRING Tools required Battery Wiring...
  • Page 13 Battery Compartment Main Compartment Invert AC In Charge Warning Fault Battery - Battery + Bus Bar Bus Bar Earth Bus Bar Battery Wiring...
  • Page 14 BATTERY WIRING Battery MCB Step Before you begin any wiring, ensure all batteries are switched off and the main battery MCB is switch off in the down position. Battery Wiring...
  • Page 15 Battery Compartment Main Compartment Battery Compartment Main Compartment Invert AC In Charge Warning Fault Battery - Battery + Bus Bar Bus Bar Earth Bus Bar Step Wire earth cables from batteries to earth bus bar. Use the shorter wire to connect the batteries on the same row.
  • Page 16 Battery Compartment Main Compartment Battery Compartment Main Compartment Invert AC In Charge Warning Fault Battery - Battery + Bus Bar Bus Bar Earth Bus Bar Step Install the battery parallel bars between the batteries to connect the positive ( + ) of each battery on the same row together and the negative ( - ) of each battery on the same row together.
  • Page 17 Battery Compartment Main Compartment Battery Compartment Main Compartment Invert AC In Charge Warning Fault Battery - Battery + Bus Bar Bus Bar Earth Bus Bar Step Connect the battery power cables to the main battery breaker, running the wire through the conduit. The positive cable should run from the battery on the right had side of each row, while the negative cable runs from the battery on the left.
  • Page 18 Battery Compartment Main Compartment Battery Compartment Main Compartment Battery Compartmen Invert AC In Charge Warning Fault Battery - Battery + Bus Bar Bus Bar Earth Bus Bar Step Connect the battery communication cables. Connect the battery on the top right to the main communication bus using its CAN port.
  • Page 19 FINISHED BATTERY WIRING Battery Compartment Main Compartment Battery Compartment Main Compartment Invert AC In Charge Warning Fault Battery - Battery + Bus Bar Bus Bar Earth Bus Bar Earth Cables between Battery Communication Cables batteries and Main Earth Bus Battery DIP Switch Setting Battery Parallel Bars Battery Main Power Cables Battery Wiring...

  • Page 20: Dip Switch Settings

    DIP SWITCH SETTINGS Step To set the DIP Switch settings you’ll find the switch on the front of the battery. You only need to change the settings on the master battery (top right battery). Battery Wiring...
  • Page 21 Two batteries Three batteries Four batteries Set the DIP settings on the master battery (top right battery). Use the settings displayed that correlate to how many batteries you have Battery Wiring...

  • Page 22: Solar Panel Wiring

    SOLAR PANEL WIRING Tools required Solar Panel Wiring...
  • Page 23 IP66 IP66 PV ARRAY PV ARRAY DC ISOLATOR DC ISOLATOR ON I ON I Charge Warning Fault SISO SWITCH SISO SWITCH Invert AC In Charge Warning Fault 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X...
  • Page 24 Step Start by creating two sets of six panels wired together in series. Connect the positive terminal of one panel to the negative terminal of the next panel. Solar Panel Wiring...
  • Page 25 Run the solar cables to the DC Isolators, and cut it to length. DO NOT connect the cable run to the solar panels until all solar wiring is complete. IP66 IP66 PV ARRAY PV ARRAY DC ISOLATOR DC ISOLATOR ON I ON I SISO SWITCH SISO SWITCH...
  • Page 26 youtube.com/@GridFreeStore Watch our YouTube video: How to crimp a solar panel MC4 connector Step Use wire strippers to strip the ends off the black and red 6mm² solar cables. Strip the cables to approximately 7mm in length. Gland nut A Gland nut B Step Ensure you use the correct metal...
  • Page 27 Step Starting with the red solar cable, place the silicon gland and gland nut onto the cable. Crimp “Metal Conductor A” onto the cable using the 6mm² crimping die. Step Insert the crimped “Metal conductor A” into the “Solar connector housing A” until it clicks, then tighten the gland nut using a spanner.
  • Page 28 Step Move onto the black solar cable. Place the silicon gland and gland nut on to the cable. Crimp “Metal conductor B” onto the cable using the 6mm² crimping die. Step Insert the crimped “Metal conductor B” into the “Solar connector housing B” until it clicks, then check that the housing does not come off easily.
  • Page 29 Ensure the PV Array DC isolator is in the off position. IP66 PV ARRAY DC ISOLATOR ON I IP66 IP66 PV ARRAY PV ARRAY SISO SWITCH DC ISOLATOR DC ISOLATOR ON I ON I Step Ensure the PV Array DC isolator is in the off position. Then, connect the PV cable run from the SISO SWITCH SISO SWITCH IP66...
  • Page 30 To disconnect the fuses, pull the front tabs down to open the fuse holders. 10X38 ZTPV-25X 10X38 ZTPV-25X 10X38 ZTPV-25X 10X38 ZTPV-25X Keep the fuse holders open with the fuses left out of the fuse holders. Ensure the solar cable run is NOT connected to the solar panels. Keep the fuse holders disconnected by keeping them open with the fuses OUT and the PV Array DC isolators are in the off position.
  • Page 31 SISO SWITCH SISO SWITCH Step The PV Array DC isolator is now wired into the PV Array fuses. Solar Panel Wiring...

  • Page 32: Pv Cabinet Wiring

    PV CABINET WIRING Tools required PV Cabinet Wiring...
  • Page 33 IP66 IP66 PV ARRAY PV ARRAY DC ISOLATOR DC ISOLATOR ON I ON I Charge Warning Fault SISO SWITCH SISO SWITCH Invert AC In Charge Warning Fault 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X...
  • Page 34 PV CABINET WIRING IP66 IP66 PV ARRAY PV ARRAY DC ISOLATOR DC ISOLATOR ON I ON I SISO SWITCH SISO SWITCH Charge Warning Fault Invert AC In Charge Warning Fault 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38...
  • Page 35 Voltage over 120V requires an electrician. IP66 IP66 IP66 IP66 PV ARRAY PV ARRAY PV ARRAY DC ISOLATOR PV ARRAY DC ISOLATOR DC ISOLATOR DC ISOLATOR ON I ON I ON I ON I SISO SWITCH SISO SWITCH Charge Warning Fault SISO SWITCH SISO SWITCH...

  • Page 36: Ac Cabinet Wiring

    AC CABINET WIRING This section is Prescribed Electrical Work. DO NOT attempt this work unless you are a registered electrician. AC Cabinet Wiring...
  • Page 37 SISO SWITCH SISO SWITCH Charge Warning Fault 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X AC IN BY-PASS IN AC OUT 1 AC OUT 2 RS485 Relay1 Relay2 AC IN AC OUT 1 AC OUT 2 PV IN External Battery...
  • Page 38 AC CABINET WIRING Charge Warning Fault Invert AC In Charge Warning Fault AC IN BY-PASS IN AC OUT 1 AC OUT 2 RS485 Relay1 Relay2 AC IN AC OUT 1 AC OUT 2 PV IN External Battery RS485 Relay1 Relay2 AC IN AC OUT 1 AC OUT 2...
  • Page 39 IP66 IP66 PV ARRAY PV ARRAY DC ISOLATOR DC ISOLATOR ON I ON I SISO SWITCH SISO SWITCH Charge Warning Fault 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X 10X38 10X38 ZTPV-25X ZTPV-25X AC IN BY-PASS IN AC OUT 1 AC OUT 2 RS485 Relay1 Relay2...

  • Page 40: Shutdown Procedure

    SHUTDOWN PROCEDURE Shutdown Procedure...
  • Page 41 AC IN BY-PASS IN AC OUT 1 AC OUT 2 If you are starting the system up for the first time. Please follow these steps first to make sure the system is in the correct state to start the start-up procedure. RS485 Relay1 Relay2 AC IN AC OUT 1...
  • Page 42 PV ISOLATOR PV ISOLATOR Step Make sure there is no current being drawn from the panels, then switch off the PV isolator located on the side of the cabinet. Shutdown Procedure...
  • Page 43 Invert AC In Charge Warning Fault Step Press and hold the power button on the inverter for 3 seconds to switch the inverter into standby mode. In this mode there will be no LEDs indicators illuminated. Shutdown Procedure...
  • Page 44 Battery MCB Step Switch off the main battery MCB. Switch off each individual battery module. Shutdown Procedure...
  • Page 45 DC ISOLATOR DC ISOLATOR ON I ON I IP66 IP66 PV ARRAY PV ARRAY DC ISOLATOR DC ISOLATOR SISO SWITCH SISO SWITCH ON I ON I SISO SWITCH SISO SWITCH Step Switch the PV Array DC isolators to the “OFF” position. 10X38 ZTPV-25X 10X38...

  • Page 46: Start-Up Procedure

    START-UP PROCEDURE Start-up Procedure...
  • Page 47 START-UP PROCEDURE Battery MCB Please check the steps in the shutdown procedure to ensure the system is in the correct state before following the start-up procedure. If this is the first time starting the system. Then please see the configuration section of the user manual, and following the on screen steps to configure the system.
  • Page 48 Invert AC In Charge Warning Fault Step Press power button once quickly on the inverter to boot the inverter into standby mode. Start-up Procedure...
  • Page 49 10X38 ZTPV-25X 10X38 ZTPV-25X 10X38 ZTPV-25X 10X38 ZTPV-25X Step Connect the panels to the hybrid inverter by inserting the fuses into the fuse holder and closing the fuse holders. IP66 IP66 PV ARRAY PV ARRAY DC ISOLATOR DC ISOLATOR ON I ON I SISO SWITCH SISO SWITCH...
  • Page 50 PV ISOLATOR PV ISOLATOR PV ISOLATOR Step Turn on the PV isolators and look at the E4 monitor to ensure charge is flowing from the panels. Start-up Procedure...
  • Page 51 Invert AC In Charge Warning Fault Step The inverter starts up in a stand-by mode, to enable the AC input and AC output press the power button for 3 seconds, when you release the button the inverter will switch from standby mode to normal mode and you will see the LED indicator next to Invert go green.
  • Page 52 AC IN BY-PASS IN AC OUT 1 AC OUT 2 RS485 Relay1 Relay2 AC IN AC OUT 1 AC OUT 2 PV IN External Battery Step RS485 Relay1 Relay2 AC IN AC OUT 1 AC OUT 2 PV IN You can now switch on the AC breakers internal to the cabinet for the relevant circuits you are using.

  • Page 53: Troubleshooting

    TROUBLESHOOTING GUIDE We’ve compiled this list of common problems our customers may encounter with their solar gear to help you solve any issues as fast as possible. Please contact us if you don’t find the answers you need here or if your issue continues after implementing the given solutions.

  • Page 54: Contact Us

    Check out our YouTube Channel: youtube.com/@GridFreeStore Join our Community: @gridfreestore gridfreenz tiktok.com/@gridfree.store @gridfree.store youtube.com/@GridFreeStore nz.pinterest.com/gridfreestore/ CONTACT US Our website: www.gridfree.store Email us: info@gridfree.store Message us on Facebook: @GridFree.Store Give us a call: (09) 218 5533 Address: By Appointment– C4/27 Smales Road, East Tāmaki, Auckland, 2013...
  • Page 55 NOTES...
  • Page 56 Get in Touch. (09) 218 5533 C4/27 Smales Road, info@gridfree.store East Tāmaki, Auckland, 2013 www.gridfree.store Mon-Fri, 9am-5pm (by appointment) Visit our Website:...

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