sol-ark L8K-2P Install Manual & Owner’s Manual
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sol-ark L8K-2P Install Manual & Owner’s Manual

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SOL-ARK L8K-2P INSTALL GUIDE & OWNER'S MANUAL
UPON RECEIVING SHIPMENT ................................................................................................................................. 4
SPEC SHEET ............................................................................................................................................................ 5
WIRE GAUGE GUIDE (COPPER) ............................................................................................................................... 7
WIRING DIAGRAMS ............................................................................................................................................... 8
GUI SCREENS ........................................................................................................................................................ 11
PHYSICAL INSTALLATION ..................................................................................................................................... 13
................................................................................................................................................ 13
........................................................................................................................................... 13
.............................................................................................................................................. 14
........................................................................................................................................... 16
WI-FI / INTERNET CONNECTION ........................................................................................................................... 22
PROGRAMMING GUIDE ....................................................................................................................................... 27
............................................................................................................................................................... 29
.......................................................................................................................................................... 29
........................................................................................................................................................... 30
................................................................................................................................................................ 32
INSTALL TIPS ........................................................................................................................................................ 36
................................................................................................................................................. 36
BATTERIES..............................................................................................................................................................................37
TROUBLESHOOTING GUIDE .................................................................................................................................. 40
INSTALL VERIFICATION CHECKLIST ....................................................................................................................... 43
SOL-ARK L8K-2P LIMITED WARRANTY .................................................................................................................. 44
.......................................................................................................................................... 15
.......................................................................................................... 17
............................................................................................................................ 19
L8K-2P ........................................................................................................... 21
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) .................................................................................................. 25
) ..................................................................................................................................... 28
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nd
March 22
, 2022
L8K -2P
1

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Summary of Contents for sol-ark L8K-2P

  • Page 1: Table Of Contents

    L8K -2P SOL-ARK L8K-2P INSTALL GUIDE & OWNER’S MANUAL UPON RECEIVING SHIPMENT ..........................4 SPEC SHEET ................................5 WIRE GAUGE GUIDE (COPPER) ..........................7 WIRING DIAGRAMS ............................... 8 GUI SCREENS ................................ 11 PHYSICAL INSTALLATION ............................. 13 ..............................13 NVERTER OMPONENTS ............................
  • Page 2 CONSEQUENTIAL, OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION. THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER’S RISK. Sol-Ark cannot be responsible for system failure, damages, or injury resulting from improper installation of their products.
  • Page 3 Solar PV+/PV- are UNGROUNDED. Note, you may ground PV Racking/Mounts, but doing so directly to the Sol-Ark will likely result in damage in the case of a direct lightning strike to the PV array. DO NOT connect the grid to the Load Output Breaker.

  • Page 4: Upon Receiving Shipment

    E. Battery Cable Toroid x2 F. CAT 5 cable for parallel communications G. WIFI Dongle: For software updates and remote monitoring (use M4x10 screws to hold in) H. French Cleat: For wall mounting the Sol-Ark L8K-2P March 22 , 2022...

  • Page 5: Spec Sheet

    Spec Sheet March 22 , 2022...
  • Page 6 3 NM Neutral / Ground Busbars 26.5 IN Lbs 3 NM Cover Screws 26.5 IN Lbs 3 NM Battery Connection 90.0 IN Lbs 10 NM Do Not Use Impact Drivers to Tighten Any Fasteners on the Sol-Ark. March 22 , 2022...

  • Page 7: Wire Gauge Guide (Copper)

    Wire Gauge Guide (copper) 15.875mm (5/8in) 23.813mm (15/16in) PV input: 12AWG 4/0 AWG Max 2/0 AWG Max All AC Inputs/Outputs: 6-4AWG Small Limiter All Sensors: 20-24AWG Sensor CT Sensors: 10' Wire Included Large Inputs Batt Temp Sensor: 6' Wire Included Limiter 100A: 50mA RJ45 Cable: 7' Included (Extendable up to 20')

  • Page 8: Wiring Diagrams

    Wiring Diagrams These Single Line Diagrams (SLDs) are examples of common use-cases for Sol-Ark inverters. Sol-Ark does not provide custom diagrams; however, you may contact support@sol-ark.com for any questions about an existing SLD. March 22 , 2022...
  • Page 9 Sol-Ark L8K-2P x3 Standard Wiring Diagram (120/240V) March 22 , 2022...
  • Page 10 This page is left blank on purpose March 22 , 2022...

  • Page 11: Gui Screens

    GUI Screens Main Menus Basic Setup March 22 , 2022...
  • Page 12 Battery Setup Grid Setup March 22 , 2022...

  • Page 13: Physical Installation

    Physical Installation Inverter Components A. LCD Touch Screen F. MPPT Charge Controllers B. Comms/Paralleling Ports G. AC Terminal Blocks C. PV DC Disconnect Switch H. Neutral/Ground Bus Bar D. Battery Terminals (+/-) I. Wi-Fi Connection E. Sensor Pinout J. ON/OFF button Deciding Backup Circuits A.

  • Page 14: Mounting The Sol-Ark

    D. System weight = 70.5 lbs (32 kg). Securely attach to the wall. Affix a mounting board to studs using 6-8 screws E. Use 2-3 screws + washers (choose screw length and surface type) to mount the Sol-Ark to the board/wall F.

  • Page 15: Connecting Solar Panels

    Before conneng to PV modules, please install a separately DC circuit breaker between inverter and PV modules. A. Sol-Ark has DUAL MPPTs for two separate PV input pairs B. MAX PV input = 10.4kW (± 5%) / system | 5.2kW / MPPT | MAX 500V...

  • Page 16: Integrating A Generator

    BEFORE automatically starting a generator connected to the GEN breaker to charge the battery bank. Sol-Ark will NOT charge batteries from a generator until the batteries reach this value. Gen Start A This is how many amps (DC) you can pull specifically from the Generator (GEN breaker only) to charge the batts.

  • Page 17: Integrating Sensors And Accessory Placement

    Integrating Sensors and Accessory Placement (1,2) Batt Temp: Battery Temperature Sensor has no polarity and is needed for voltage correction when using lead acid batteries. (+3, -4) CT1 & (+5, -6) CT2: Current transformers used for limited to home mode and peak shaving (7,8) Gen Start Relay: Two wire start for generators, simple open or closed relay (+11, -12) RSD: 12V power supply for RSD...
  • Page 18 The signal comes from a normally open relay that closes when the Gen Start state is active CANbus & RS485 • To connect batteries to the Sol-Ark L8K-2P via RJ45, you need to splice the end connecting to the Sol-Ark L8K-2P • Use the middle two conductors •...

  • Page 19: Wiring The Grid And Backup Loads

    • The Built-in 12V power supply in the user area of the Sol-Ark (Pins 11 and 12) is rated for 100mA (1.2W) • Transmitter fits inside the user area of the Sol-Ark 8K but can cause interference (sometimes requires placing it outside of the user area) •...
  • Page 20 Meter Connection March 22 , 2022...

  • Page 21: Powering-Up And Testing The Sol-Ark L8K-2P

    A. Green = Grid (or Gen or AC Coupled) is Connected B. Off = grid is not Connected Normal A. Green = Sol-Ark L8K-2P is working properly B. Off = Sol-Ark L8K-2P is not working properly Alarm A. Red = Alarm, check the alarms menu B. Off = No alarms...

  • Page 22: Wi-Fi / Internet Connection

    A. Open the dongle enclosure and thread the ethernet cable through the hole, and plug it into the RJ45 port B. Reassemble the dongle housing and plug dongle into Sol-Ark and secure with screws If all is well, you will see solid red and green lights C.
  • Page 23 Create an Account and Sign In After filling the form click “Create Account” Add a Plant Scan the QR code on the dongle while plugged in Make sure to pick a unique On Plant Type, ALWAYS plant name. (I.E.“Last Name, select Energy Storage (DC First four of Address”) coupling).
  • Page 24 Start Monitoring The Data connection is established It takes about 60sec for the lights to turn on after setup LED: Connected to Sol-Ark and has power Green LED: Connected to Internet and Server Flashing Green LED: Connected to router but not...

  • Page 25: Ip Address Setup Instructions (Pc Or Smart Phone)

    This screen is the real time view Select your plant Alarms System info and Graphed data programming IP Address Setup Instructions (PC or Smart Phone) Please Note that this method only achieves internet connectivity. For registration and www.mysol-ark.com account management please use the app and/or Connect to the Dongle Network A.
  • Page 26 *YOU MUST STILL CREATE AN ACCOUNT VIA THE POWER VIEW APP* Save Your Information If Successful you should see a Red and Green light on the Dongle showing a successful connection. LED: Connected to Sol-Ark and has power. Green LED: Connected to Internet and Server Flashing Green...

  • Page 27: Programming Guide

    Programming Guide Brightness Beep Auto Dim Sol-Ark Menus AM/PM Time Sync Hour Minute Year Month Second Display Solar Arc Fault ON Time Gen Peak Shaving Advanced Grid Peak Shaving Auto Detect Home Limit Sensors Factory Reset Clear Arc Fault Parallel...

  • Page 28: Main Screens (Touchscreen)

    Main Screens (Touchscreen) Detailed Volts View • Top row = Total power for column • Middle Row = Line 1/PV1 voltage, Amps, and Watts (note: PV Voltage not to exceed 500V) • Bottom Row = Line 2/PV2 voltage, Amps, and Watts (note: PV Voltage not to exceed 500V) •...

  • Page 29: Basic Setup

    CT sensors requires our permission not to void the warranty. UPS Time Set the delay to Sol-Ark’s UPS transfer time; When set to 0ms, the UPS transfer time will be 4ms. Parallel (connecting multiple systems) A. Select parallel mode when using more than one system B.

  • Page 30: Battery Setup

    Gen Exercise Cycle (Day & Time) : Set a weekly Gen exercise schedule. (Day of the week/Time/Duration Length) Gen must have two-wire start connected to Sol-Ark. To disable the exercise, set the duration length to 0 min. March 22 , 2022...
  • Page 31 Discharge Shutdown V : battery voltage at which the inverter will shut down (battery symbol on the home screen will turn red) Low Batt : Low battery voltage (battery symbol on the home screen will turn yellow) Restart : battery voltage at which AC output will resume Batt Resistance : used in % SOC batt calculations Batt Charge Efficiency...

  • Page 32: Grid Setup

    You must select “For Micro Inverter Input” The Gen Breaker is not used (even though the GEN breaker is not physically being used for this mode, AC coupling on the LOAD breaker prevents the use of the GEN breaker) iii. Wire as shown in the preceding example diagram labeled “Load side AC coupling example”...
  • Page 33 Main Menu → System Settings → Grid Setup → Limiter → Grid Sell and the home’s consumption. A. This mode allows Sol-Ark L8K-2P to sell back any excess power produced by the solar panels to the grid. Power source priority: 1.
  • Page 34 FreqVolt (UL 1741SA must be enabled in “Sell Control” tab) Puerto Rico Grid Compliance Settings: Kauai Grid Compliance Settings: HECO Grid Compliance Settings for O’ahu, Maui, Hawai’i: HECO Grid Compliance Settings for Lana’I and Moloka’i: PowFac Power Factor is programmable from 0.8 – 1.0 March 22 , 2022...

  • Page 35: Limiter Sensor Automatic Setup

    A. Touch the gear icon → Touch the Basic Setup button → Select the Advanced tab (see Fig. C) C. Select “Auto detect Home Limit Sensors” and press “OK” D. Wait for the Sol-Ark to finish its learning process (Sol-Ark will alternate sell back between legs and magnitude automatically determining the correct settings for the sensors) E.

  • Page 36: Install Tips

    Battery Setup/Charge menu. C. When off-grid, there is no need for a transfer switch: connect the load output of the Sol-Ark to the whole home. D. Do not use Grid Sell or Limited To Home Modes Off-Grid. Only Limited power to load (default).

  • Page 37: Batteries

    • Batteries in parallel: Battery Voltage / Amp Hours / Total Amp Max Charge/ Count Battery Battery Hours @48V Discharge Amp ADD AMP-HOURS 230Ah 230Ah 100A 230Ah 460Ah 185A 230Ah 690Ah 185A 230Ah 920Ah 185A Sol-Ark PCC-230 Battery March 22 , 2022...
  • Page 38 Batt Capacity: 230Ah x #Parallel_Batteries Time Watts GridCharge (1 parallel = 4 Batt in series, 2 = 8 Batt, 3 = 12 Batt, 4 =16 Batt) 1:00AM 1500*Par_Batts Max A Charge: 100A x #Parallel_Batteries 5:00AM 1500*Par_Batts Max A Discharge: 100A x #Parallel_Batteries 9:00AM 1500*Par_Batts Max A Grid Charge: 50A x #Parallel_Batteries...

  • Page 39: Modbus/Rj45 Application Note

    06: Battery or Battery Controller is ModBus master and writes battery data to inverter’s BMS registers (not currently in use). Find our full list of currently supported battery communications www.sol-ark.com/battery-partners Our Battery Communications Integration Guide can also be found here www.sol-ark.com/support Use the information below at your own risk;...

  • Page 40: Troubleshooting Guide

    • Check to make sure your generator is compatible with Auto Start • Make sure that the Auto Gen Start wire is adequately connected to the Sol-Ark L8K-2P and the generator Normal LED isn’t on • Sol-Ark L8K-2P is in pass-through-only mode, only a Grid connection.

  • Page 41: Troubleshooting Phasing Issues

    Press and hold the escape button [] for 7-10 seconds Troubleshooting Phasing Issues If the Sol-Ark screen shows Grid Phase Wrong there is a phasing issue with your wiring and it may cause overload faults (F18, F26, F34) even with the Load breaker off and WILL CAUSE DAMAGE if left unchecked.

  • Page 42: Sol-Ark L8K-2P Error Codes

    20%, or Lithium BMS has shut down. If battery settings are incorrect, this can also happen. BMS communication fault Sol-Ark is programmed to BMS Lithium Battery Mode but cannot communicate with a BMS Gen_Volt_or_Fre_Fault Generator Voltage or Frequency went outside the allowable range...

  • Page 43: Install Verification Checklist

    For installer to complete AFTER the system is operational. The purpose is to protect the installer, homeowner, and inverter. 1. Is the L8K-2P installed in a location protecting the LCD from direct sunlight and has 6” clearance left and right for cooling? Y/N 2. Are all the battery lugs tightened? 3.

  • Page 44: Sol-Ark L8K-2P Limited Warranty

    This warranty applies to the original Sol-Ark Product purchaser and is transferable only if the Product remains installed in the original use location. Please call Sol-Ark to let us know if you are selling your Home and give us name and contact of the new owner.

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