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Introduction

Table of Contents

Introduction

...................................................................................................

Important Safety Warning

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Unpacking & Overview

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Installation

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Grid (Utility) Connection

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PV Module (DC) Connection

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Battery Connection

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Load (AC Output) Connection

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EMS Connection

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10.

Generator connection

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11.

Communication

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12.

Dry Contact Signal

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13.

Relay Control Port

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14.

Application with Energy Meter

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15.

Commissioning

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16.

Initial Setup

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17.

Operation

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18.

Charging Management

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19.

Maintenance & Cleaning

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20.

Trouble Shooting

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21.

Specifications

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22.

Limited Product Warranty

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Содержание OHY1P4805

Страница 1: ...1 Introduction USER MANUAL V3 0 5kW Hybrid Inverter OHY1P4805...

Страница 2: ...y Connection 13 8 Load AC Output Connection 14 9 EMS Connection 16 10 Generator connection 17 11 Communication 18 12 Dry Contact Signal 19 13 Relay Control Port 21 14 Application with Energy Meter 23...

Страница 3: ...voltage of 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 Do not connect the positive or ne...

Страница 4: ...electrical shock by disconnecting AC DC and battery power from the inverter before attempting any maintenance or cleaning or working on any circuits connected to the inverter Turning off controls wil...

Страница 5: ...Do not operate the Inverter if it has been knocked dropped or damaged in any way If the Inverter is damaged please contact your distributor CAUTION AC breaker DC switch and Battery circuit breaker are...

Страница 6: ...S port Software CD Manual USB cable RS 232 cable Relay control port 3 2 Product Overview 1 PV connectors 2 AC output connection Load 3 Battery connection 4 AC Grid connection 5 RS 232 communication po...

Страница 7: ...vertical 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 Install the solar i...

Страница 8: ...ed locations for six screws supplied The tightening torque is 35 N m 2 Raise the inverter and place it over the mounting plate 3 Fix the inverter in position with the two screws M4 12 supplied Top two...

Страница 9: ...operation to use appropriate cable for grid utility connection To reduce risk of injury please use the proper recommended cable size as below Suggested cable requirement for AC wire Model 5KW Nominal...

Страница 10: ...block Be sure to connect PE protective conductor first L LINE brown or black Ground yellow green N Neutral blue Step 5 Make sure the wires are securely connected The tightening torque is 0 8 N m Note...

Страница 11: ...circuit breaker fuse and switch off the DC switch Step 3 Assemble provided PV connectors Components and Tools for PV connectors Female connector housing Female terminal Male connector housing CAUTION...

Страница 12: ...both ends and be careful NOT to nick or bend any of the strands Insert stripped cable into female terminal and crimp female terminal as shown below Insert assembled cable into female connector housing...

Страница 13: ...e of cable to negative pole of PV input connector WARNING It is very important for system safety and efficient operation to use appropriate UV resistant cable for PV module connection To reduce risk o...

Страница 14: ...0Wp Vmp 36 7Vdc Imp 6 818A Voc 44Vdc Isc 7 636A Cells 72 SOLAR INPUT 1 SOLAR INPUT 2 Quantity of panels Total Input Power Min in serial 11pcs Max in serial 18pcs 11pcs in serial x 11pcs 2750W x 11pcs...

Страница 15: ...e of batteries The nominal inverter input voltage is 48VDC Step 2 Use two battery cables Remove insulation sleeve 12 mm and insert conductor into cable ring terminal Refer to chart on right Step 3 Rem...

Страница 16: ...Refer to chart 4 Step 2 Connect wires according to polarities indicated on terminal block Be sure to connect PE protective conductor first Refer to Chart 5 L LINE brown or black Ground yellow green N...

Страница 17: ...and inverter is working in battery mode it will cut off AC output but maintain limited power to the EMS port until battery voltage drops down to the setting value in Battery voltage to cut off AC out...

Страница 18: ...ion There are four pins on this port However only Pin 1 Line and Pin 4 Neutral are useable Use supplied cables to connect Pin 1 and Pin 4 shown as below 9 2 Function Description If Emergency power sup...

Страница 19: ...to generator for power backup when utility is not available and battery is connected Inverter will trigger generator via dry contact during low battery condition Once generator is active solar power w...

Страница 20: ...o 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 cable as follows For Dry contact port please remove insul...

Страница 21: ...nternal relay will be damaged 12 2 Function Description Unit Status Condition Dry contact port NO C NC C Power Off Unit is off and no output is powered Open Close Power On Battery voltage is lower tha...

Страница 22: ...12 Dry Contact Signal 20 www sinetech co za You can set the related parameters in software Refer to below chart...

Страница 23: ...kup II mode 13 1 Interface Configuration There are four pins on this port However only Pin 1 and Pin 4 are useable Please use supplied cables to connect Pin 1 and Pin 4 shown as below 13 2 Function De...

Страница 24: ...Condition 3 230V Inverter not active or grid available 0V 13 3 Application Below the recommended circuit L N G AC grid AC OUTPUT L N Relay Control port Single phase inverter Communication MODBUS Exte...

Страница 25: ...card II manual Note This application is only valid for Grid Tie with Backup II mode Equipped with Modbus card II hybrid inverter is connected to energy meter with RS485 communication port This enables...

Страница 26: ...eaker At this point the inverter is active However there is no output generation for loads Then If LCD lights up to display the current inverter status commissioning has been carried out successfully...

Страница 27: ...tie with backup Grid Tie and Off Grid Grid tie with backup PV power can feed back to grid provide power to the load and charge battery There are four options available in this mode Grid tie with backu...

Страница 28: ...id to charge battery With the set up 00 00 00 00 no time limitation for AC to charging applies AC output ON Off Timer Enables on off timer for AC output If set to 00 00 00 00 this function is disabled...

Страница 29: ...tion is automatically determined by setting in Load supply source PV is unavailable When Battery is higher priority than Grid in Load supply source PV is unavailable this option is default selected Un...

Страница 30: ...ery Remaining PV power will feed the load If PV power is insufficient grid will feed the load If grid is not available battery will back up When PV power is not available 1 1st Grid 2nd Battery Defaul...

Страница 31: ...the load If PV power is insufficient battery will feed the load When battery power is low or not available grid will back up the load 2 1st PV 2nd Grid 3rd Battery PV power will first feed the load I...

Страница 32: ...nual Battery charging source 1 PV and Grid PV power to first charge battery If insufficient grid will charge battery 2 PV only Only PV is allowed to charge battery 3 None No battery charging permitted...

Страница 33: ...emand Working logic under peak time PV energy supply priority 1st Load 2nd Battery and 3rd Grid PV power will feed the load first If PV power is sufficient it will charge battery next Any excess PV po...

Страница 34: ...parameter setting Please refer to software manual Battery charging source PV and grid charge battery PV power will charge battery first during off peak time If insufficient grid will charge battery L...

Страница 35: ...upply loads above 10kW Battery charging source 1 PV or Grid After supporting the load any excess PV power will charge battery If PV power is not available grid will charge battery Default 2 PV only On...

Страница 36: ...I PV energy supply priority setting 1st Battery 2nd Load PV will charge battery first Once battery is fully charged excess PV power will feed the load Feed into the grid is not allowed in this mode Th...

Страница 37: ...l back up the load NOTE This option will become ineffective during AC charging time and the priority will automatically become 1st Grid and 2nd Battery order Otherwise it will cause battery damage Off...

Страница 38: ...st PV 2nd Battery 3rd Grid PV power will feed the load first If not sufficient battery power will back up the load If battery is low Grid will back up the load When PV power is not available 1 1st Gri...

Страница 39: ...voltage or frequency Vac Voltage Hz Frequency Indicates AC output power voltage frequency or load percentage KVA apparent power kW active power Vac Voltage Load percentage Hz Frequency Indicates PV i...

Страница 40: ...e icon indicate battery capacity Icon flashing indicates battery is not allowed to discharge Icon flashing indicates the battery voltage is too low Indicates AC output for loads is enabled and inverte...

Страница 41: ...alue Down Short press If you are 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...

Страница 42: ...17 Operation 40 www sinetech co za Setting Display Procedure Input voltage or frequency of AC input Procedure Frequency voltage power or percentage of AC output Procedure...

Страница 43: ...17 Operation 41 www sinetech co za Input voltage or power of PV input Procedure Battery voltage or percentage Procedure...

Страница 44: ...17 Operation 42 www sinetech co za Date and time Procedure Today s or total energy generated Procedure...

Страница 45: ...on PV power is sufficient to charge battery provide power to load and feed into the grid PV power is sufficient to charge the battery Remaining PV power is insufficient to back up the load Part PV pow...

Страница 46: ...e charging battery simultaneously due to insufficient PV power This inverter is disabled to generate power to the load PV is feeding power back to the grid PV power is sufficient to provide power to l...

Страница 47: ...tery and provide power to the load PV power is generated but insufficient to support load on its own PV and battery are providing power to the load simultaneously Battery only is available to provide...

Страница 48: ...if AC output is enabled an error has occurred on AC output PV power is sufficient to charge battery This inverter is blocked from feeding power to the load PV power is not detected or available Only...

Страница 49: ...om 50Vdc to 60Vdc Battery overcharge protection 62 0 Vdc Charging process based on default setting 3 stages First Charge voltage increases to 56V at max current Second Charge voltage will remain at 56...

Страница 50: ...g to below formula The maximum charging current Battery capacity Ah x 0 2 For a 300 Ah battery the maximum charge current is 300 x 0 2 60 A Use at least 50Ah battery because the minimum charge current...

Страница 51: ...ts Use tools with insulated handles Wear rubber gloves and boots Do not put tools or metal parts on top of batteries Disconnect charging source prior to connecting or disconnecting battery terminals D...

Страница 52: ...high 04 Line frequency low Grid frequency is too low 05 Line voltage out of range for long time Grid voltage is higher than 253V 06 Ground Loss Ground wire is not detected 07 Island detect Island ope...

Страница 53: ...soft start time out Internal component failure Contact installer 05 INV over current Surge 1 Restart the inverter 2 If the error message persists contact installer 06 Over temperature Internal temper...

Страница 54: ...ceeds the limit 1 Check the battery voltage 2 If the error message persists contact installer 23 Over load Inverter is loaded above 110 timer has lapsed Reduce connected load 26 INV short Output short...

Страница 55: ...Hz or 59 3 to 60 5Hz Nominal Output Current 21 8 A per phase Inrush Current Duration 25 A 20ms Maximum Output Fault Current Duration 65 A 1ms Maximum output Overcurrent Protection 65 A Power Factor Ra...

Страница 56: ...ERACE Communication Port RS 232 USB Intelligent Slot Optional SNMP Modbus and AS 400 cards available ENVIRONMENT Protective Class I Ingress Protection Rating IP20 Humidity 0 to 90 RH No condensing Ope...

Страница 57: ...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...

Страница 58: ...OHY1P4805 56 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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