SAJ H2-5K-LS2 Quick Manual

User manual (41 pages)

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This quick guide provides installation operations. For safety precautions and detailed product information, refer to the

Website www.saj-electric.com. You can scan the below QR code to access all the product documentation.

NOTICE

⚫

Before installation, operation, and maintenance, read the product documentation carefully.

⚫

ONLY qualified and trained electricians who have read and fully understood all safety regulations contained in this manual can install,

maintain, and repair the equipment. The operation personnel should understand the system, its working principles, and relevant national

and regional standards.

⚫

During operations, wear protective equipment and use dedicated tools.

1. Check the outer packing

Check the outer packing package for any damage, such as holes and cracks.

Check the equipment model.

If any serious damage is found or the model is not what you requested, do not unpack the product, and contact your dealer as soon as

possible.

2. Check the product packages

Place the connectors separately after unpacking to avoid confusion for connection of cables.

Inverter x1

Communication module x1

Allen wrench x1

Note: The documents include a warranty card, a quick guide, and a user manual.

3. Check installation ways and gaps

⚫

The inverter uses natural convection cooling and can be installed indoor or outdoor.

⚫

Do not expose the inverter to direct sunlight cause overheating might cause power derating.

V1.0

H2-(5K-10K)-LS2 Quick Guide

M6*50 expansion bolt x4

CT x1

hole1

hole2

220

4 *? 6

hole3

hole4

DOWN

Hole positioning

paper

User Manual

Battery temperature

Terminal x1

sensor x1

Documents

on the SAJ

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Summary of Contents for SAJ H2-5K-LS2

Page 1 This quick guide provides installation operations. For safety precautions and detailed product information, refer to the User Manual on the SAJ Website www.saj-electric.com. You can scan the below QR code to access all the product documentation. NOTICE ⚫ Before installation, operation, and maintenance, read the product documentation carefully.
Page 2 The minimum clearance requirement for multiple inverter installation is shown as below. ⚫ 4. Install the inverter onto the wall Depending on your configurations, choose one of the following manners to mark and drill screw holes on the wall: Note: Reserve enough distance at the inverter bottom for cable connection. ⚫...
Page 3 ⚫ Configurations with a hole positioning paper: The distance between the upper and the bottom screw holes is 560 mm. Stick the hole positioning paper onto the wall. Drill four holes according to the instructions of four holes (hole1, hole2, hole3, and hole4).
Page 5 Note: If the inverter is installed far away from the grid connection point, select a larger cable size to ensure that the voltage drop from the grid connection point to the inverter is within 2% of the grid voltage. Inverter model AC breaker Cables size H2-5K-LS2 50 A 8 AWG V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 6 H2-6K-LS2 63 A 8 AWG H2-(7.6K-8K)-LS2 80 A 8 AWG H2-10K-LS2 100 A 6 AWG WARNING Risk of personal injury due to electric shock! • Ensure that the equipment is powered off before performing wiring operations. • Improper wiring of AC conductors will result in risk of electrical failure or equipment damage. Please ensure that all connections are made correctly in accordance with the instructions in this document and in accordance with local wiring codes and regulations before applying power to the unit.
Page 7 LOAD LOAD GRID GRID 8. Connect the battery to the inverter About this task Brand Compatible batteries models B2-5.0-LV1 and B2-5.0-LV2 Notes: • For battery details, refer to the B2-5.0-(LV1, LV2) User Manual. • The H2 series inverter is only compatible with the batteries listed below. Using of any other untested battery might cause damage to the inverter and thus void the inverter warranty.
Page 8 If needed, you can put a terminal on the cable end, as shown below. Cable 22-27mm O-shape terminal Insert the cables through the cable gland BAT and connect the cables to the battery terminals BAT+ and BAT- in the junction box. 9.
Page 9 Insert the communication module to the 4G/WIFI port and secure the module by rotating the nut. (Optional) Connect the battery temperature sensor. If lead-acid batteries are used, you need to use the battery temperature sensor. Connect the battery temperature sensor to the battery. Insert the cable of the battery temperature sensor through the COM1 cable gland.
Page 10 Connect the communication cables. RJ45 ports ⚫ Per your needs, prepare communication cables according to the pin definitions of communication ports on the inverter. MODBUS_RS485 BMS_CAN Parallel-1 CANH CANL BKUP TO GRID_BUS+ CANH CAN1_H CANL CAN1_L CARRY_BUS+ 7 RS485-B2- GRID TO BKUP_BUS+ 8 RS485-A2+ GND_S Parallel-1...
Page 11 For external generator dry contact +12V_RSD For connecting 12V power supply GND_S For connecting 12V power ground 10. Assemble the communication connection Strip off the insulation (20-mm/0.79-inch length) of the cable ends. User cable ferrules if the cable is of multi-strand type。 Cable Recommended cable Recommended torque...
Page 12 The inverter is not working properly. Configure the system on the SAJ App named Elekeeper. For details, refer to the section "Commissioning" in the inverter user manual. If any error occurs, check the error code displayed on the App. For detailed error messages, refer to the section “Troubleshooting” in the inverter user manual.

This manual is also suitable for:

H2-6k-ls2 H2-7.6k-ls2 H2-8k-ls2 H2-10k-ls2