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USER MANUAL 

V2.2

 

3kW Hybrid Inverter

 

OHY1P4803 

Summary of Contents for OHY1P4803

Page 1: ...USER MANUAL V2 2 3kW Hybrid Inverter OHY1P4803...

Page 2: ...ity 7 6 PV Module DC Connection 9 7 Battery Connection 11 8 Load AC Output Connection 13 9 Communication 14 10 Commissioning 15 11 Initial Setup 16 12 Operation 31 12 1 Interface 31 12 2 LCD Informati...

Page 3: ...f PV modules is within acceptable range see specification for the details this inverter is able to generate power to feed the grid utility and charge battery This inverter is only compatible with PV m...

Page 4: ...ounded conductors may be ungrounded and energized when a ground fault is indicated WARNING This inverter is heavy It should be lifted by at least two persons CAUTION Authorized service personnel shoul...

Page 5: ...struments may cause risk of fire electric shock or injury to persons CAUTION To reduce risk of fire hazard do not cover or obstruct the cooling fans CAUTION Do not operate the Inverter if it has been...

Page 6: ...received the following items inside your package Inverter unit Software CD Manual USB cable 3 2 Product Overview 1 PV connectors 2 Grid connectors 3 Battery connectors 4 AC output connectors Load con...

Page 7: ...ion is to be adhered to For proper operation of this inverter please use appropriate cables for grid connection The pollution degree of the inverter is PD2 Select an appropriate mounting location Inst...

Page 8: ...o za 1 Drill four holes in the marked locations with four screws 2 Place the unit on the surface and align the mounting holes with the four screws 3 Check that the solar inverter is firmly secured Not...

Page 9: ...ution board WARNING It s very important for system safety and efficient operation to use appropriate cable for grid utility connection To reduce risk of injury use the recommended cable size as below...

Page 10: ...please use one additional wire with a ring terminal to connect ground Refer to Chart 3 Ring terminal Chart 3 Recommended wire and terminal size Wire Size Ring Terminal Torque Cable mm 2 Dimensions D...

Page 11: ...oid any malfunction do not connect any PV modules with a possible leakage current to the inverter For example grounded PV modules will cause leakage current to the inverter When using CIGS modules be...

Page 12: ...rely connected The tightening torque is 1 2 N m WARNING For system safety and efficient operation use only appropriate UV protected cable for PV module connections To reduce risk of injury please use...

Page 13: ...Plus and 60VDC 80A fuse circuit breaker for 2KW Please follow below steps to implement battery connection Step 1 Check the nominal voltage of batteries The nominal input voltage for hybrid inverter i...

Page 14: ...mmended cable sizes as indicated below WARNING It s very important for system safety and efficient operation to use appropriate cables for battery connection Model 2KW 3KW 3KW Plus Nominal Grid Voltag...

Page 15: ...ee conductors Shorten L and N conductors to 3 mm Refer to chart 8 right Step 2 Connect wires according to polarities indicated on terminal block Be sure to connect PE protective conductor first Refer...

Page 16: ...ith SNMP card and Modbus card Follow below procedure to connect communication wiring and install the software For RS232 port you should use a DB9 cable as follows For USB port you should use a USB cab...

Page 17: ...ircuit breaker By now the inverter is turned on However there is no output generated for loads Confirm If LCD lights up to display the current inverter status commissioning has been successfull After...

Page 18: ...Select Device Control MyPower Management This is where you set up inverter operation mode and personalized interface Refer to diagram below Modes There are three operating modes Grid tie with backup...

Page 19: ...t settings can cause damage or render unit inoperable Nominal Output Voltage There are 5 options for high voltage system 240V 230V 220V 208V and 202V For low voltage system there are four options 127...

Page 20: ...backup modes Users can decide if this inverter should feed into the grid Allow battery to discharge when PV is available This option is automatically determined by setting in Load supply source PV is...

Page 21: ...t Charging of battery is prioritised If power is insufficient grid will charge battery 2 PV only Only PV power is allowed to charge battery 3 None Neither PV power nor the grid is allowed to charge th...

Page 22: ...time and the priority will automatically become 1st Grid and 2nd Battery order Otherwise it will cause battery damage Grid tie with backup II PV energy supply priority setting 1st Load 2nd Battery an...

Page 23: ...1st Grid 2nd Battery Grid will provide power to the load at first If grid is not available battery will provide power backup 2 1st Battery 2nd Grid Battery will provide power to the load first If batt...

Page 24: ...he load When battery power is running out or not available grid will back up the load 2 1st PV 2nd Grid 3rd Battery PV will provide power to the load first If power is insufficient grid will provide p...

Page 25: ...it will feed in to the grid Feed in to the grid is default disabled Battery charging source PV only Only if PV power fully supports the load will the remaining PV power be allowed to charge battery d...

Page 26: ...d charge battery PV will charge battery first during off peak time If power is insufficient grid will charge battery Load supply source 1st PV 2nd Grid 3rd Battery If battery is fully charged remainin...

Page 27: ...available grid will back up the load 2 1st PV 2nd Grid 3rd Battery PV will provide power to the load first If power is insufficient grid will provide power to the load If grid is not available at the...

Page 28: ...11 Initial Setup 26 www sinetech co za Grid Tie Under this operation mode PV power only feeds in to the grid No priority setting is available Off Grid Off Grid I Default setting for off grid mode...

Page 29: ...power is available 1 1st PV 2nd Battery 3rd Grid Default PV power will provide power to the load first If power is not sufficient battery power will provide power to the load When battery power is ru...

Page 30: ...oad faults are avoided as grid can supply load when connected load is over 3KW Battery charging source 1 PV or Grid If there is remaining PV power after supporting the loads it will charge battery fir...

Page 31: ...e it will cause battery damage Off Grid III PV energy supply priority setting 1st Load 2nd Battery PV will provide power to the load first and then charge battery Feed in to the grid is not allowed un...

Page 32: ...Allow to charge battery is enabled Only when battery voltage is back to re discharging point will PV provide power to the load again When PV power is not available 1 1st Grid 2nd Battery Grid will pr...

Page 33: ...For the detailed calibration please check the user manual of bundled software 12 2 LCD Information Define Real time operation status Section 12 5 describes all operation conditions when the inverter i...

Page 34: ...is out of range Indicates utility Icon flashing indicates utility voltage or frequency is out of range Indicates battery condition The amount of bars indicates battery capacity Icon flashing indicates...

Page 35: ...Down Short press If it s in query menu press this button to jump to next selection or decrease value Mute alarm in standby mode or battery mode NOTE If backlight shuts off you may activate it by pres...

Page 36: ...co za Setting Display Procedure Input voltage or frequency of AC input Frequency voltage power or percentage of AC output Procedure 1 Enter Up Down Up Down Enter Enter 2 3 4 5 Procedure 1 Enter Up Dow...

Page 37: ...peration 35 www sinetech co za Procedure 3 5 Enter 4 1 Enter Up Down 2 Input voltage or power of PV input Procedure 1 Enter Up Down Up Down Enter Enter 2 3 4 5 Battery voltage or percentage Up Down En...

Page 38: ...12 Operation 36 www sinetech co za Date and time Procedure 1 Enter Up Down Up Down Enter Enter 2 3 4 5 Today or total energy generated Procedure Enter Up Down Up Down Enter Enter 3 4...

Page 39: ...nergy generation display of selected day Procedure LCD Display Energy generation display of selected month Procedure 1 Enter Up Down Up Down Enter 2 3 4 5 Enter Flashes Flashes Enter Enter Up Down Up...

Page 40: ...12 5 Operation Mode Display The following are only available from LCD display for grid tie with backup mode I If you need information on the LCD display of other operation modes please check with inst...

Page 41: ...ower is sufficient to charge the battery Excess PV power is not sufficient to back up the load As a result excess PV power and the utility are supplying power to the load PV power is generated but ins...

Page 42: ...to the load PV is feeding power back to the utility No battery is connected or battery is not available Icon is flashing PV power is sufficient to provide power to the load and feed power back to uti...

Page 43: ...range Icon is flashing PV power is generated but insufficient to power the load PV and battery are providing power to the load Utility is out of range Icon is flashing PV power is not detected or ava...

Page 44: ...operation and connecting to the loads LCD Display Description PV power is not available Utility is charging battery and providing power to the load Icon is flashing PV power and battery are not avail...

Page 45: ...put or AC power output is enabled but an error occurred on AC output Only PV power is used to charge battery Icon is flashing This inverter is disabled to generate power to the loads PV power is not a...

Page 46: ...arge protection 60 0 Vdc This value is 2 VDC above max charging voltage Default Charge setting In 3 stages A Charge voltage goes up to 56V B Voltage maintained at 56V until charge current is below 5 A...

Page 47: ...this formula The maximum charge current Battery capacity Ah x 0 2 For a 125 Ah battery the maximum charge current is 125 x 0 2 25 A Use at least a 25Ah battery as the settable minimum value of charge...

Page 48: ...bus card II the hybrid inverter is connected to the energy meter via itsRS485 communication port Self consumption via Modbus card to control power generation and battery charging can be enabled 2 For...

Page 49: ...me type and number of batteries or battery packs The following precautions should be observed when working on batteries a Remove watches rings or other metal objects b Use tools with insulated handles...

Page 50: ...voltage is too low to start the inverter Power island Islanding condition detected An Error occurred in the CPU initialization Initialization failed in CPU as the inverter is turned on Power grid volt...

Page 51: ...uit breaker first Then disconnect DC circuit breaker Until LCD screen completely shuts down turn on DC breaker first It will show No Utility on LCD screen Turn on AC breaker After 300 seconds the syst...

Page 52: ...ed 1 2 3 Turn off the inverter Then restart the inverter If the error message still remains contact your installer 12 Leakage current exceeds allowable range 1 Earth leakage current is too high 2 Plea...

Page 53: ...lay turn on AC breaker After 300 seconds the system will automatically connect to the grid If error message persists please contact your installer 17 Communication with the main and secondary controll...

Page 54: ...ker and then all loads 3 Please check if load circuit is ok After removing the fault turn on the PV DC breaker and battery breaker 4 Turn on the inverter 5 If error message persists please contact you...

Page 55: ...ller board and power board 1 2 Shut down the inverter completely Restart the inverter to see if it s ok 3 If error message persists please contact your installer 31 Reverse connection of input and out...

Page 56: ...al Output Voltage 101 110 120 127 VAC 208 220 230 240 VAC Output Voltage Range 88 127 VAC 184 265 VAC Output Frequency Range 47 5 to 51 5 Hz or 57 5 to 61 5 Hz 47 5 to 51 5 Hz or 59 3to 60 5Hz Nominal...

Page 57: ...C Voltage 48 VDC Maximum Battery Discharging Current 65 A 92 A Maximum Charging Current 25 A GENERAL PHYSICAL Dimension D x W x H mm 480 x 438 x 117 Net Weight kgs 15 57 INTERFACE Communication Port R...

Page 58: ...t or any of its components Limitations of Liability To the greatest extent permitted by law Sinetech shall not be liable for any consequential incidental indirect special and exemplary or punitive dam...

Page 59: ...OHY1P4803 58 www sinetech co za Sinetech 2 Samantha Street Strijdom Park Randburg Johannesburg Tel 27 11 886 7874 16 lines Fax 27 11 787 0178 sales sinetech co za www sinetech co za...

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