SAJ H2 Series User Manual

Hybrid solar inverter

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GUANGZHOU SANJING ELECTRIC

Add: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China

CO., LTD

{=2*{page}-1}

Tel: (86)20 66608588

Fax: (86)20 66608589

Web: www.saj-electric.com

V1.1

Series

HYBRID SOLAR INVERTER

USER MANUAL

H2-(5K, 7.6K)-S3-US

H2-(8.6K-12K)-S4-US

H2 Series

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Summary of Contents for SAJ H2 Series

Page 1 H2 Series Series HYBRID SOLAR INVERTER USER MANUAL H2-(5K, 7.6K)-S3-US Tel: (86)20 66608588 Fax: (86)20 66608589 Web: www.saj-electric.com GUANGZHOU SANJING ELECTRIC Add: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China H2-(8.6K-12K)-S4-US CO., LTD V1.1 {=2*{page}-1}...
Page 2 H2 Series Preface Thank you for choosing SAJ inverter. We are pleased to provide you first-class products and exceptional service. This manual includes information for installation, operation, maintenance, trouble shooting and safety. Please follow the instructions of this manual so that we can ensure delivery of our professional guidance and wholehearted service.
Page 3 H2 Series TABLE OF 4.2 Earth Fault Alarm ................................22 4.3 Cable Holes ..................................23 CONTENTS 4.4 Electrical Terminals ................................24 4.5 Knockout Holes Dimension and Location ........................... 25 4.6 Opening the Wiring Compartment of the Inverter ....................... 26 4.7 Assembling the SBU Power Connection ..........................27 4.8 Assembling theAC-side Electrical Connection ........................
Page 4 ■ Failure to follow any of the instructions or warnings in this document can result in electrical shock, serious injury, or death, or can damage the equipment, potentially rendering it inoperable. SAJ shall take no responsibility for any personal injuries or property damage caused by improper use.
Page 5 · Do not stay close to the inverter while there are severe weather conditions including storm, lightning, etc. · Before opening the housing, the SAJ inverter must be disconnected from the grid and PV generator; you must wait for at least...
Page 6 H2 Series 1.5 Explanations of Symbols To ensure the safety of people and equipment, follow the safety symbols on the equipment. Symbol Description Dangerous electrical voltage This device is directly connected to public grid, thus all work to the inverter shall only be carried out by qualified personnel.
Page 7 H2 Series 2.1 Product Overview H2 series high voltage split-phase inverter is a transformer-less hybrid solar inverter, which is a key component of a complete energy storage system. The inverter contains solar maximum power point tracking circuit, battery charging/discharging circuit and full bridge inverting circuit.
Page 8 Figure 2.2 Human-computer Interface 27.362" （695mm） LED indicator Status Description LED off Inverter power off Breathing Inverter is at initial state or standby state Solid Inverter running properly Breathing Inverter is upgrading Figure 2.1 Dimensions of H2 series inverter Solid Inverter is faulty...
Page 9 H2 Series LED indicator Status Description Solid Importing electricity from grid On 1s, off 1s Exporting electricity to grid On 1s, off 3s Not importing and exporting at all System Off-grid Solid Battery is discharging On 1s, off 1s Battery is charging...
Page 10 H2 Series 3.1 Installation Diagram On-Grid Battery The following installation examples should be avoided. Any damage caused will not be covered by the warranty Load policy. INSTALLATION Battery Battery Single battery bank can not be connected to multiple inverters. Single PV string can not be connected to multiple inverters.
Page 11 ■Visual Check Generator Although SAJ’s inverters have passed stringent test and are checked before they leave the factory, the inverters may still suffer damages during transportation. Please check the package for any obvious signs of damage, and if such evidence is present, do not open the package and contact your dealer as soon as possible.
Page 12 H2 Series Wall Mounting Step 1: Determine the installation position and drill holes on the wall. Note: Reserve enough distance at the inverter bottom for installing the metal cable conduits. 15.984" （406mm） Figure 3.1 Mounting orientation (2) Mount vertically with tilting angle no greater than 15°. Never install the inverter horizontally or upside down.
Page 13 Note: For regulation compliance, you can install a battery isolator ≥70A near the inverter, except that you are using (100mm) the SAJ B2 battery model which has a built-in DC isolator in its high-voltage box unit: B2-7.3-HV5, B2-14.6-HV5, or B2-21.9-HV5.
Page 14 H2 Series 4.1 Safety Instruction Electrical connection must only be carried out by professional technicians. Before connection, necessary protective equipment must be employed by technicians including insulating gloves, insulating shoes and safety helmet. DANGER · Dangerous to life due to potential fire or electricity shock.
Page 15 H2 Series 4.3 Cable Holes 4.4 Electrical Terminals Figure 4.1 Cable holes on the inverter 1 2 3 Figure 4.2 Electrical terminal of the inverter Callout Description DC Switch Callout Description E-stop PV1-2 PV1-2 PV3-4 PV3-4 4G/WI-FI 4G/WI-FI COM2 COM2...
Page 16 H2 Series 4.5. Knockout Holes Dimension and Location 4.6 Opening the Wiring Compartment of the Inverter 1. Use the Allen Wrench to press down four locks on both sides of the inverter. Then, remove the cover. 2.087" 2.087" 2.047" 1.929"...
Page 17 H2 Series 4.7 Assembling the SBU Power Connection 4.8 Assembling the AC-side Electrical Connection Step 1: Insert the 12 V power cables through cable hole D at the bottom of the SBU. For the cable hole location, see section 3.4 “Cable Holes” in the SBU user manual.
Page 18 If needed, you can put a terminal on the cable end, as shown below. Note: 1. The H2 series inverter is only compatible with the batteries listed above, any other unapproved battery connections will lead the inverter warranty to be voided.
Page 19 H2 Series 4.11 Assembling the PV-side Electrical Connection Step 2: Insert the cables through the conduit and connect it to the battery terminals in the wiring compartment. Step 1: Strip the insulation (18-mm/0.71-inch length) of the PV cable ends. User cable ferrules if the cable is of multi- strand type.
Page 20 H2 Series 2. Identify the CN100 terminal on the PCB board. 3. Remove the 2-pin terminal by pinching the locking tab on the side of the terminal, and then lifting the terminal straight out of the CN100 socket. 4. Use the provided cable for connection, as shown below: a.
Page 21 H2 Series 4.14 CAN Communication DIP Switch Description 4.15 System Connection SW2-1 is SBU CAN communication 120Ω impedance matching. SBU_RS485 SBU_ RJ45 RS485 SW2-2 road is CAN communication 120Ω impedance matching of lithium battery. GRID GRID SBU_CAN SW3-2 is energy storage inverter parallel CAN communication 120Ω impedance matching.
Page 22 H2 Series 4.17 H2+SBU Connection SBU_RS485 The GEN-CT and MAIN-CT terminals for connecting to the CTs are integrated into the SBU. The following illustration SBU_ RS485 RJ45 is only used to show the cabling. GRID GRID SBU_CAN RJ45 RJ45 LOAD...
Page 23 H2 Series 5.1 Startup The H2 series inverter can be started up by the following procedure: 1. Turn on the external AC switch (grid side) 2. Turn on the DC switch on the inverter 3. Turn on the battery switch 4.
Page 24 H2 Series Local connection: Step 1: Open the APP and click on the three-dot icon on the top right corner. Set the language to “English” and network node to “Overseas Node”. Enter the password “123456.” step 2: Log in APP, if you do not have an account, please register first. Go to the “Tool” interface and select “Remote Configuration”.
Page 25 H2 Series 5.3 Protection Parameter Setting Step 4: (local connection and account login) Follow the instructions on the screen. Corresponding modification of protection parameters will take effect only after saving.
Page 26 H2 Series 5.4 Inverter Setting Review 5.6 Selecting Working Modes After commissioning, the device info including device basic info, running info and event info can be viewed. Country and grid code can be viewed from initial setting. Self-consumption Mode: Power generated by PV will be first supplied to the load and then to the battery before exporting the remaining power to the grid.
Page 27 H2 Series 5.7 Export Limit Setting There are two methods to control the export limit, the two methods are alternative to each other. Method 1: Export limitation setting is to control the export electricity to the grid. Method 2: Generation limit is to control the electricity generated by the inverter.
Page 28 PV panels arrangement. 2. After above checking restart inverter to see whether this problem is solved. If not, contact local agent or SAJ service center. 1. Switch off the breakers from PV panels and Battery, first and switch off the AC breaker (Grid side) for 5mins, then restart the...
Page 29 2. After above checking restart inverter to see whether this 1. Check the Phase-Ground voltage to confirm whether there exist problem is solved. If not, contact local agent or SAJ service line. Ground Detecting Ground fault problem in AC side.
Page 30 2. After above checking restart inverter to see whether this service line. problem is solved. If not, contact local agent or SAJ service line. 1. Check the AC cable in right polarity & firm connection; 1. Check the battery configuration and measure the battery input 2.
Page 31 (AC 2. If the error still exists, contact local agent or SAJ service hotline terminal. 1. Switch off the breakers from PV panels and Battery first and coupling inverter) 400-159-0088.
Page 32 Explanation Solution 1. Check the grid compliance setted inside inverter and choose the 4. If the error still exists, contact local agent or SAJ service hotline proper “Grid compliance” to meet the local grid circumstance. 400-159-0088. 2. Switch off the breakers from PV panels and Battery first and 1.
Page 33 Solution 1. Switch off the breakers from PV panels and Battery first and 3. If the error still exists, contact local agent or SAJ service hotline The difference between middle point switch off the AC breaker (Grid side) for 5mins, then restart the 400-159-0088.
Page 34 H2 Series MODEL H2-5K-S3-US H2-7.6K-S3-US H2-8.6K-S4-US H2-10K-S4-US H2-12K-S4-US PV String Input Data Max. PV Array Power [Wp]@STC 7500 11400 12900 15000 18000 Max. DC Voltage [V] MPPT Voltage Range [V] 90～550 Nominal DC Voltage[V] Start Voltage [V] Min. DC Voltage [V] Max.
Page 35 Underfrequency High/Low Protection Guangzhou Sanjing Electric Co., Ltd. Over Temperature Protection Integrated Anti-islanding protection Integrated SAJ Innovation Park, No.9, Lizhishan Road, Guangzhou Science City, Guangdong, P.R.China. AC Surge Protection Postcode: 510663 DC Surge Protection Web: http: //www.saj-electric.com AFCI Protection Integrated Interface Technical Support &...

This manual is also suitable for:

H2-5k-s3-us H2-7.6k-s3-us H2-8.6k-s4-us H2-10k-s4-us H2-12k-s4-us