sol-ark 8K-1P-N Installation Manual And User's Manual

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INSTALLATION GUIDE

AND USER MANUAL

RESIDENTIAL

NORTH AMERICA

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Page 1 INSTALLATION GUIDE AND USER MANUAL RESIDENTIAL NORTH AMERICA...
Page 3 By using the product, users acknowledge their understanding of these disclaimers and agree to use the product at their own risk. Sol-Ark reserves the right to update or modify product information, specifications, and guidelines without prior notice.
Page 4: Table Of Contents
Table of Contents IMPORTANT SAFETY INSTRUCTIONS ........................................... 5 1. Sol-Ark: At a First Glance ..........................6 1.1 General Description ..............................................7 1.2 Specifications ................................................8 1.3 Connection Requirements ............................................10 2. Installation ................................ 11 2.1 Mounting the Sol-Ark ............................................... 11 2.2 Integrating Batteries ..............................................
Page 5: Important Safety Instructions
Read this entire document before installing or using the Sol-Ark 8K-1P-N inverter. Failure to follow any of the instructions or warnings in this document can result in electrical shock, serious injury, or death. Damage to the 8K-1P-N inverter is also possible, potentially rendering it inoperable.
Page 6: Sol-Ark: At A First Glance
The box should include all items shown in the component guide. If there is damage or missing parts, immediately call the phone number (USA) +1 (972) 575-8875 Ext. 2. COMPONENT GUIDE The Sol-Ark 8K-1P-N system includes the following components: Component Description...
Page 7: General Description
BMS RJ45 ports (RS485 / CAN) Parallel RJ45 ports 2x MPPT inputs Input pinouts for sensors and accessories (40A) GEN terminal (50A) LOAD supplementary protective device (50A) LOAD terminal Internal AC conductors (50A) GRID terminal Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 8: Specifications
Optimum: -25°C to 60°C Derating: >45°C DC: Shutdown @100°C AC: Shutdown @82°C SOL-ARK 8K-1P-N TORQUE VALUES APPLICATION NOTE Do not use impact drivers to tighten any fasteners on the Sol-Ark Terminal / Breaker Torque [in-lb] Torque [Nm] “GEN” 17 in-lb 2 Nm “LOAD”...
Page 9 3. Maximum output current will vary depending on programmed output voltage. 4. Peak power will vary depending on programmed output voltage: 12,000VA @ 220V, 230V & 240V and 7,200W @ 120 & 127V. Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 10: Connection Requirements
1/4 in [6.35 mm] 2/0 AWG max 6 AWG max 10 AWG max 20 AWG max CT Sensor (Included) AC Breaker (Single pole) 5/8 in [16 mm] 13 ft [4 m] Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 11: Installation
"GRID" terminal. • An external disconnect must be installed between the interconnection and the Sol-Ark. Size the disconnect according to code. • Connect the "LOAD" output to the Essential Loads Panel. Follow electric code to select proper wire gauge.
Page 12 National Electrical Code®, paragraph 110.26 and Canadian Electrical Code® CSA C22.1 are adhered to. C. The Sol-Ark 8K-1P-N is a NEMA 3R - IP65 enclosure that is rated for outdoor installation but can also be installed indoors.
Page 13: Integrating Batteries
2.2 Integrating Batteries Sol-Ark 8K-1P-N must be OFF while the batteries are being connected. Depending on the battery voltage, wire up the battery bank in the possible configurations shown below. C. Battery breakers must be OFF when wiring. If your battery bank does not have internal breakers, maintain the necessary safety measures when handling.
Page 14: Battery Communication With Modbus/Canbus
2.3 Battery Communication with MODBUS/CANBUS RJ-45 Configurations The Sol-Ark 8K-1P-N inverter achieves battery communications through a single RJ-45 port labeled “Battery CANBus”. This port combines the RS-485 and CANBus pin configurations shown below. Both “Modbus RS485” and “Battery CANBus” ports are capable of Modbus communication.
Page 15: Ground Connection
AC Coupling The Sol-Ark 8K-1P-N is a system that supports the addition of AC coupled solar panels. The max solar input power can be expanded by coupling micro or string inverters into the “GEN” or “LOAD” breakers. A full AC coupled solar system is not recommended as power control and monitoring is limited.
Page 16: Integrating A Generator
Replicate changes for the “Normal Connect” settings. Sol-Ark will not charge the batteries using the generator unless the “Start V” or “Start %” condition is fulfilled. Only one condition (V or %) can be modified at a time depending on the control mode selected (“Use Batt V Charged” or “Use Batt % Charged”)
Page 17: Grid Peak Shaving
Install the CT sensor on grid / generator line. The arrow on the CT MUST point toward the grid / generator. The Sol-Ark supplies power from the batteries whenever the “Power” threshold is met. This mode will automatically adjust the “Grid Charge” amperage (A) to avoid generator overloads during battery charging.
Page 18: Integrating Sensors And Accessories
Compatible with Wi-Fi or Ethernet connections. 3. BMS Port (CAN/RS485) • This port is used to setup a Lithium Battery in closed-loop communication with the Sol-Ark 8K- 1P-N (consult our “Battery Communications Integration Guide” on the Sol-Ark website at www.sol-ark.com/battery-partners).
Page 19: Limit Sensors (Ct Sensors)
The CT sensors (or limit sensors) enable the use and smooth operation of the system work modes known as “Limited Power to Home” and “Grid Peak-Shaving”. The CTs will measure and calculate the demand in the Main Service Panel which the Sol-Ark 8K-1P-N will then use to accurately supply and offset all home loads.
Page 20 OFF during the detection test. If this test is done with connected AC-coupled systems, a factory reset of the Sol-Ark must be performed. Install the CT sensor as described in section 2.10 “Limit Sensor”. A battery connection and grid power are required before starting the automatic configuration.
Page 21: Powering-Up And Testing The Sol-Ark
Do not ground PV+ or PV-. Verify polarity in each PV string. Backward polarity will measure 0Vdc by the Sol-Ark and will cause long term damage. PV alone turns LCD screen only. Inverter requires grid and/or batteries to operate, otherwise an “OFF” message will appear.
Page 22: User Interface
Off-Grid system. state or in passthrough mode. change notifications *Fully energizing the unit constitutes at least: a) DC Solar panels Grid or b) Just batteries 3.2 Main Menus Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 23 3. PV power Generation Graph A. Display power production over time for the PV array. Use up/down arrows (↑, ↓) to navigate between days. C. Month view/ year view/ total production. Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 24: Basic Setup
Beep: Enable / disable the alarm sound. Time Time Sync: Automatically syncs with the internet for daylight saving time changes (Enabling “Time sync” is recommended). Seasons: Setup and customize the seasons for TOU. Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 25: Battery Setup
UPS Time: Backup transfer time to essential loads upon grid disconnection. Default value of 5ms. Factory reset Restrictions: Changes to these settings must be previously authorized by Sol-Ark technical support agents. Parallel Parallel: Enables communications between parallel inverters. “Master” and “Slave” inverters must be programmed.
Page 26 Disable and press OK to disengage. The generator will not provide power during this test if grid power is available. The gen must be in automatic mode if applicable and must have a two-wire start (dry-contact, normally open) connected to the Sol-Ark.
Page 27: Limiter
To use the “GEN” breaker as an AC coupling input for micro inverters or string inverters, enable " �� For AC Coupled Input to Gen”. In off-grid systems, the Sol-Ark will use frequency shifting to control the AC coupled solution based on the battery SOC. The meaning of “Smart Load OFF Batt”...
Page 28 “LOAD” terminal (essential loads panel) + excess power to the “GRID” terminal (main service panel AND grid). The Sol-Ark will monitor grid sell and load consumption simultaneously (with +/ - 3% error from CT sensors). The CT sensors MUST be installed.
Page 29 “LOAD” demand and sell excess solar up to a programmable limit. “GRID” loads cannot be measured, only the total output through the “GRID” terminal. This mode is recommended for single inverter systems or for whole-home backup installations. Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 30 �� Sell: Allows batteries to discharge and sell power to the grid at the programable “Power(W)” rate. “�� Grid Sell” MUST be enabled. enable “Charge” and “Sell” at the same time Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 31: Grid Setup
3.6 Grid Setup Grid Selection 120V, 127V, 220V, 230V and 240V The Sol-Ark 8K-1P-N has a wide selection of (single phase) AC voltages it can operate in, including: Output power will vary depending on grid type selection: 4,800W @ 120V and 127V 8,000W @ 220V, 230, and 240V See section 1.2 “Specifications”...
Page 32 V(Q): Enables the use of Volt-VAr. The Sol-Ark regulates reactive power output to the grid as a function of the voltage to support stabilization during over and under-voltage conditions. V, P & Q: Percentage of nominal grid voltage (V) to which the Sol-Ark will reduce its active power (P) or reactive power (Q). P(Q) / P(F) P(Q): Enables the use of Watt-VAr to regulate reactive power output according to programable active power parameters.
Page 33: Installation Tips
Charge controller curve When the battery has reached the absorption voltage setpoint, the Sol-Ark inverter uses constant-voltage regulation to maintain battery voltage at the absorption setpoint, preventing overheating and excessive battery gassing. The battery is allowed to come to a full state of charge at the absorption voltage setpoint.
Page 34: Grid Compliance Settings
0.00s 0.00s V1:106.0% P1:100% V1:92.0% Q1:44% and Volt-Var 50%PE/Hz V2:110.9% P2: 0% V2:98.0% Q2: 0% 59.96Hz 59.50Hz Q3: 0% V3:110.0% P3: 0% V3:100.0 0.00s 0.00s V4:110.0% P4: 0% V4:106.0% Q4:44% Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 35: Parallel Systems
Tech Support for assistance: support@sol-ark.com Parallel systems REQUIRE a joint battery bank. If you do not have a battery, keep all Sol-Ark inverters OUT of parallel and set every System to “Grid Sell” Mode. D. All INPUTS/OUTPUTS must be shared among ALL parallel inverters, with the exception for DC solar inputs.
Page 36: Parallel Systems Programming Sequence
Parallel Systems Sol-Ark 8K-1P-N @ 240V Split-Phase Continuous output power Max. Grid Peak power 10 sec # of inverters in parallel (kW) Passthrough Current (A) (kVA) 5.2 Parallel Systems Programming Sequence “�� Parallel” Program each inverter for parallel operation: → Basic Setup → Parallel →...
Page 37: Wi-Fi / Ethernet Connection
Insert the ethernet cable through the plastic enclosure and connect the cable to the RJ45 port. C. Reassemble the dongle housing and plug the dongle into the Sol-Ark, securing it with screws. You will see solid red and green lights after a couple of minutes.
Page 38 TIP: If you want to share a plant, a PowerView account with the new email must be created. Create PowerView / PV Pro account and login. Verification Code Login Create account Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 39 Scan QR code or type manually Plant information Configure network EA########## ############ STEP 2: Configure Wi-Fi network though PV Pro Configure Wi-Fi network. Connect dongle Accept conditions Scan and select dongle Network drop down menu Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 40 The Wi-Fi dongle does NOT provide internet access. It needs an external internet provider to connect to. (it is not possible to use 5 GHz) The dongle is compatible with Wi-Fi signal broadcasted at 2.4 GHz Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 41 Connecting the Wi-Fi dongle using the IP address 10.10.10.1 to your home Wi-Fi network is only meant to You must still create a PowerView account provide internet access to the inverter. You can access PowerView on a computer with the following link: www.mysol-ark.com Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 42: Wiring Diagrams
The diagrams presented herein are not exhaustive and should not be relied upon solely for permitting or warranty verification. Installers are encouraged to exercise caution, seek professional advice when necessary, and undertake installations with due diligence and in accordance with established electrical standards and regulations. Copyright 2023 Sol-Ark - Portable Solar LLC | SK140-0009-001 ©...
Page 50: Troubleshooting Guide
The system connects to grid and quickly disconnects Verify Neutral wire connection (0Vac referenced to GND) Check the programmed frequency, and verify the Sol-Ark measures 240V between L and N If the system is overloading: verify that proper phase sequence between “GRID” and “LOAD” terminals DC Overload Fault Check PV voltage.
Page 51 The Batt SOC% is not reaching 100% The Sol-Ark might be in the calibration phase and estimating the battery SOC. We suggest waiting three full days to let the unit go through the 4-stage charging curve to converge to an accurate % If the suggestion above does not work, you can re-adjust the battery capacity under “Battery Setup”...
Page 52: Sol-Ark Error Codes
DC_VoltLow_Fault current by 20%, or Lithium BMS has shut down. If battery settings are incorrect, this can also happen. Sol-Ark is programmed to BMS Lithium Battery Mode but cannot communicate with a BMS. BMS_Communication Fault BMS_Err_Stop is enabled, but cannot communicate with a battery BMS Gen_Volt_or_Fre_Fault Generator Voltage or Frequency went outside the allowable range.
Page 53: Warranty Verification Checklist
13. For Off-Grid systems: The mode “General Standard” is programmed and the V & f ranges are increased  14. When “�� Grid Sell” is enabled, the Sol-Ark sells power back to the grid (negative HM measurements for (L1) ...
Page 54: Limited Warranty: Sol-Ark 8K-1P-N
Any other event not foreseeable by Portable Solar, LLC Sol-Ark (Portable Solar LLC) liability for any defective Product, or any Product part, shall be limited to the repair or replacement of the Product, at Portable Solar LLC discretion. Sol-Ark does not warrant or guarantee workmanship performed by any person or firm installing its Products.

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