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Summary of Contents for REFU REFUsol 08K
- Page 1 Installation and Operating Manual REFUsol 08K ... 23K English REFU Elektronik GmbH No. 982030, Version 02 2018-06...
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Page 2: Copyright
This manual and the information included therein are the property of REFU Elektronik GmbH. No part of this manual is to be reproduced or copied without the express written permission of REFU Elektronik GmbH. Any unauthorized use of this manual is strictly forbidden. -
Page 3: Table Of Contents
Please Note Before Starting Up ......................11 Additional Symbols and Warning Notices on the Inverter ..............12 Description of Device Infastructure Requirements........................13 Features of REFUsol 08K ... 23K ......................14 External Dimensions ..........................14 Block Diagram ............................15 3.4.1 REFUsol 08K ... - Page 4 Sending Config ............................45 Portal Test Function ..........................45 Troubleshooting Self-Test – Error Message ........................46 Transient Failure ........................... 46 Faults ..............................46 Fault Acknowledgement ........................46 List of Error Messages .......................... 46 REFUsol 08K ... 23K REFU Elektronik GmbH...
- Page 5 Attach the DRM 0 Sticker ........................57 Maintenance Maintain the Inverter ..........................58 Decommissioning 10.1 Remove Inverter ............................. 59 10.2 Disposal ..............................60 Technical data 11.1 Inverter ..............................61 11.2 Sensor..............................62 Certificates Contact REFU Elektronik GmbH REFUsol 08K ... 23K...
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Page 6: About This Installation And Operating Manual
Follow the warnings to avoid death or serious injury! WARNING May result in death or serious personal injury if ignored. Follow the warnings to avoid serious injuries! CAUTION May cause minor personal injury if ignored. Follow the warnings to avoid injury! REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 7: Information
This symbol represent important notes concerning potential harm to people, this unit, or associated equipment. Information Note: A notice describes information which is important for the optimum and cost- effective operation of the equipment. REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 8: Safety Information
Safety Information Intended Use The REFUsol 08K ... 23K inverter, also referred to in these operating instructions as the inverter, is a solar inverter, which transforms the direct current generated by the PV generator (photovoltaic modules) into alternating current and feeds this to the public power supply network. -
Page 9: Dangers Arising From Misuse
Discharge time is at least 15 minutes. DANGER Danger to life from high discharge current It is essential to ensure an earthing connection has been established prior to connection to the supply current circuit. REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 10: Protection Against Contact With Electrical Parts
75 °C. Do not touch the housing surface near to heat sources. Allow the device to cool down for 15 minutes before touching the surface of the device. REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 11: Protection During Handling And Assembly
DC voltage is present at the input. If no switch-off is effected, the inverter switches on automatically in the morning when the PV generator supplies sufficiently high voltage. This means that the maximum output is generated. REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 12: Additional Symbols And Warning Notices On The Inverter
Before beginning of work switch unit free of voltage. Warning of electrical voltage on DC and AC side. All solar strings on the DC side are at voltage. Discharging time of the device longer than 15 minutes. REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 13: Description Of Device
Rated voltage OS Electricity Utility Rated voltage US 3 x 460 V PE + N Frequency 50/60 Hz Short-circuit voltage u Electricity Utility Switching group Dyn5 oder Dyn11 Protection Outdoor use IP65 or protected REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 14: Features Of Refusol 08K
Features of REFUsol 08K ... 23K The REFUsol 08K ... 23K is a transformer-less, three-phase solar inverter, which has a particularly high efficiency at any operating point. Depending on type, it is suitable for connection of a PV generation with an output of 8 kW to 23 kW. -
Page 15: Block Diagram
Block Diagram 3.4.1 REFUsol 08K ... 23K Fig. 2: Block diagram REFUsol 08K ... 23K 1) DC overvoltage protection, type 3 2) AC overvoltage protection, type 3 DC Connection Fig. 3: Connection diagram Control Panel The graphical user interface which is integrated on the front of the device and comprises 128 x 64 pixels can be used to display the operation data, such as the feed-in power or yield. -
Page 16: Internal Data Logger
16 measuring channels, which can be displayed an analyzed by REFUlog. Recording cycle Storage time 1 minute 2.5 years 2 minutes 5 years 5 minutes 12.5 years 10 minutes 25 years REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 17: Installation
Installation in non-ventilated ended cabinets and enclosures is not allowed because the unit in operation emits heat. • To allow for the heat dissipation required, keep the following minimum distances from the ceiling and wall as well as from neighbouring devices: REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 18: Transport
The devices must be stored in clean and dry premises, if possible in their original packaging. The storage temperature must be in the range of -25 … +55 °C (-13 … 131 °F). Permissible variations in temperature may not exceed 20 °C (68 °F) per hour. REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 19: Checking Scope Of Delivery
1 year and at a storage temperature of ≤ 40 °C / ≤ 104 °F while in a de- energized state. If the storage time has been exceeded, please contact REFU Elektronik GmbH Service before connecting the inverter to your system! -
Page 20: Installation
38.4 kg into account. Do not open device. Opening the device voids the warranty. The inverter is mounted using the wall-mounting plate which is included in the scope of delivery. REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 21: Device Connectors
Device connectors The following figure shows the connectors of the inverter on its bottom side. Fig. 8: Device connectors REFUsol 08K ... 23K The inverter is provided with the following connectors, as seen from left to right, top to bottom: •... -
Page 22: Grounding
DANGER Risk of electric shock and fire caused by high discharge current Before connecting the device to the supply circuit, establish a ground - connection by means of the labelled ground stud! REFUsol 08K ... 23K REFU Elektronik GmbH... - Page 23 Note: When using wire end ferrules with isolating collar, make sure you do not introduce the insulation of the wire end ferrule into the clamping area of the terminal. REFU Elektronik GmbH REFUsol 08K ... 23K...
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Page 24: Power Supply Line
The seal is run through a hole in the screw (below the screw head of the adapter housing) and the opening provided and attached to the housing of the device. The following table shows the maximum wire lengths upon use of a REFUsol 08K ... 23K depending on the cable cross section with a voltage drop below 1 %: Line cross section 6.0 mm²... - Page 25 Fig. 11: Preparation of plug cable 3. Screw in plug. 4. Note torque specification according to illustration. Fig. 12: Screw in plug 5. Determine diameter. 6. Seal connection. REFU Elektronik GmbH REFUsol 08K ... 23K...
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Page 26: Grid Line Impedance
It is not allowed to lay single cores in closed, magnetically conducting materials (e.g., sheet steel pipe). • If laid in open cable ducts, single cores should be laid such that the spacings between them are as small as possible. Minimum spacing between single cores! REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 27: Dc Connection Pv Generator
Protect the connectors such that they cannot be pulled off inadvertently. The PV generator may not exceed the following operational characteristics under any circumstances! Device type REFUsol 08K ... 23K Max. DC voltage at each input (USC) 1000 V Max. voltage per DC block (DC1/DC2) 25 A Max. -
Page 28: Dc-Connection
Only the original components by PHOENIX CONTACT can be used! Failure to do so could void your warranty! REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 29: Connect Phoenix Contact Connector (Sunclix)
3. Close spring. Ensure that the spring is locked in place. 4. Push insert into the barrel. 5. Tighten the cable screws with 2 Nm. 6. Bring together plug and bush. The connection latches. 7. By pulling the coupler, check the correct connection. REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 30: 4.13.2.2 Disconnect Connector
4.13.2.3 Remove cable 1. Unscrew cable screwing. 2. Enter screwdriver as demonstrated in picture below. 3. Pry open connection and separate barrel and insert from one another. 4. Open spring with screwdriver. Remove cable. REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 31: Interface Port Rs485
The bus termination is made by means of wire jumpers on RS485 OUT to the last bus user (inverter “n”). Signal Pin 1 (only used for termination) Pin 2 RS485 + Pin 3 RS485 - Pin 4 Reference REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 32: Ethernet Interface Connection
Each inverter must be connected to an ethernet switch, in parallel. Please use an Ethernet cable with S/FTP design (shielded foiled twisted pair) and Phoenix Contact plug type Quickon VS-08-RJ45-5-Q/IP67. REFUsol 08K ... 23K REFU Elektronik GmbH... - Page 33 Fig. 19: Ethernet interface NOTICE In order to ensure IP 65 protection, the plug type mentioned above must be used. Failure to observe this can lead to damage to the inverter and therefore void the warranty. REFU Elektronik GmbH REFUsol 08K ... 23K...
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Page 34: Commissioning
When switching on for the first time an initial configuration is necessary. The country code defines the country-specific grid monitoring parameters. The menu language is automatically set when the country code is selected. The menu language can subsequently be selected as REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 35: Set Country Code/Grid Guideline
2. Press OK to confirm. Then the grid feed guideline given by the energy supplier must be selected. Germany VDE 0126 AR-N 4105 3. Select valid grid feed guideline with buttons. 4. Press OK to confirm. REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 36: Accepting The Country Code
All status LEDs are lit for approx. 6 seconds Check “START” status LED lights orange. Activation “START” status LED lights orange/LED “ON” flashes green. Feed in “ON” status LED lights green/normally all other status LEDs are off. REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 37: Control Panel
Acknowledge failures and exit from menu level, exit from input menu without entering data Confirm the selected menu (next menu level) and entered data. Basic Screen 8260 W 405 V 634 V 27.6 kWh E day Feeding Menue Fig. 21: Operating mode display REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 38: Graphical Display
Oper. hr : 16.1 h Fig. 23: Energy yield absolute display Standardized Energy Yield Data Display Press the arrow key, then the arrow key to display the development of standardized energy yield data. REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 39: Input Of Standardized Data
Press the ESC key to discard the value and display the previous “normalized yield” level. Press the F1 key to display the menu. 5.10 Menu Structure The menu structure serves as a support to change to the individual information displays and setting displays. REFU Elektronik GmbH REFUsol 08K ... 23K... - Page 40 Analysis Ethernet Actual values RS485 Failure memory Configuration Country Device Information Power Languages Limitation PAC Communication Date / Time Activation Portal settings Send configuration Portal Overview Testfunction Version number Country Current language Ethernet REFUsol 08K ... 23K REFU Elektronik GmbH...
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Page 41: Configuration
Select the sub-menu “PAC Limit” and confirm with the OK key. Enter the invert power output as percentage of the nominal power and confirm with the OK key. The power limit is immediately applied. REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 42: Monitoring With Refulog
Monitoring with REFUlog The REFUsol 08K ... 23K inverter can be connected to the monitoring portal REFUlog using direct Ethernet connection to the internet, or via RS485 and the REFUcontrol data-gateway. Once an internet connection is established, the inverter will automatically start to send data to REFUlog every 5 minutes. -
Page 43: Communication Via Ethernet
• Power-up time • K factor (fault ride through) REFUset can be downloaded from www.refu.com. Communication via Ethernet The settings for the Ethernet communication can take place either manually or automatically (via DHCP). Manually is the default setting. 6.5.1 Automatic Setting via DHCP 1. -
Page 44: Communication Via Rs485
This address is required for communicating with the inverter via RS485. After entering the address, restart the inverter to activate the new address. Protocol type: 1: REFU USS protocol (preset) 2: (not used) 3: Meteocontrol USS 4: Modbus RTU Sunspec (address 0 cannot be used –... -
Page 45: Sending Config
0 automatically. Portal Test Function Menu Configuration > Portal monitoring > Portal Test On request of our service, you can send a test data package to the portal. Open the menu and select „yes“. REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 46: Troubleshooting
30 seconds to turn the inverter ON again. List of Error Messages Note Under certain weather conditions, condensation may form in the display. This is normal and causes no malfunction of the inverter. REFUsol 08K ... 23K REFU Elektronik GmbH... - Page 47 The AFI-Board unit has detected a Check system isolation. As long as residual current. you consider the isolation 9001D RCD warning Leads to an immediately shutdown impedance to be in order, contact Service. REFU Elektronik GmbH REFUsol 08K ... 23K...
- Page 48 Deactivate user lock as the User-lock has been set. 90053 Communication SR Internal communication problems Fault is independently resolved after a few minutes. If not, switch device off and on again. If this does REFUsol 08K ... 23K REFU Elektronik GmbH...
- Page 49 Reset the arc fault detector. Press disconnection ESC on the Disblay. A0022 Ext. OVGR Signal External stop signal OVGR is During the inverter detects OVGR: detected. Verify External stop signal OVGR. Possible causes wire breakage. REFU Elektronik GmbH REFUsol 08K ... 23K...
- Page 50 Activation LT 5 Voltage booster mailfunction A011F Parameter error LT Faulty reading or writing process in 1.) Switch off device with DC power section memory disconnector. 2.) Wait until the display has turned off completely. REFUsol 08K ... 23K REFU Elektronik GmbH...
- Page 51 A017C N15V LT aux. N15V supply voltage at the power Supply stack is too low. A017D Phase defect an error has been detected in the power modules REFU Elektronik GmbH REFUsol 08K ... 23K...
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Page 52: Options
For recording the irradiation and the module temperature, an irradiation and temperature sensor can be connected to the sensor interface of the inverter. The recommended type is Si-13TC-T-K and can be ordered at REFU Elektronik GmbH with art. no. 922009. The sensor plug can separately be ordered with art. no. 922010. -
Page 53: Assembling Of The Sensor Plug
AWG 26 – 20 0.79″ 0.6 ft lbs 2 ft lbs 8.1.4 Connection of the Sensor at the Solar Inverter Fig. 27: Standard connection at a solar inverter (not applicable at AFCI variant) REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 54: Configuration
The actual values of the sensor can be viewed in Actual values > Sensor. The data continues to be recorded with the data logger and can be viewed via REFUlog. External Turn Off Signal 8.2.1 Overview The REFUsol 08K ... 23K inverters have an internal grid protection relay and section switch. REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 55: Function
Nominal voltage 10 VDC Voltage (operation) 7.5 … 10 VDC Voltage (Stop) 0 … 7.5 VDC 50 ms Standard switch-off time inverter Switch-off time range 50 ms … 100 ms REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 56: Connections Of The External Stop Signal (Drm 0)
Fig. 29: Single external stop signal Fig. 30: Redundant external stop signal (does not apply to AFCI variant) Fig. 31: Single external stop signal with sensor connected (does not apply to AFCI variant) REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 57: Configuration Of The External Stop Signal (Drm 0)
Before connecting the device to the supply circuit, establish a ground connection. 8.2.5 Attach the DRM 0 Sticker Attach the “DRM 0 (Australia)“ sticker next to the Sensor connector. The sticker can be found enclosed to the instruction manual. REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 58: Maintenance
If found, the debris must be removed to ensure that the convection cooling is not inhibited. Cleaning with high-pressure cleaners is prohibited. Annually, the DC switch has to be operated without electricity 5 times. REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 59: Decommissioning
Fig. 32: Handles on the inverter 10.1 Remove Inverter 1. Deenergize the inverter completely. 2. Remove all cables from the inverter. 3. Loosen the screws (M5x20) securing the inverter to the wall-mounting bracket. REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 60: Disposal
Do not dispose of the inverter with normal domestic waste. The inverter conforms to RoHS. That means that the device can be taken to municipal disposal sites for household appliances. REFU Elektronik GmbH takes the inverter back completely. Please contact the Service team. REFUsol 08K ... 23K... -
Page 61: Technical Data
-25 … +55 Storage temperature (°C) -25 … +55 Transport temperature (°C) -25 … +70 Relative ambient humidity (%) 0 … 100 Site altitude (m above NN) 3,843* Noise level (dBA) < 45 REFU Elektronik GmbH REFUsol 08K ... 23K... -
Page 62: Sensor
-20 – +70 °C (-4 – +158 °F) Power supply 12 – 24 VDC Current draw 0.3 mA Connecting cable 4 x 0.14 mm² (AWG 6), 3 m (UV-resistant) (118.11″) Cell dimension 50 mm x 34 mm REFUsol 08K ... 23K REFU Elektronik GmbH... - Page 63 Orange Measurement signal for insolation (0 to 10 V) Supply voltage (12 – 24 VDC) Black Brown Measurement signal for temperature (0 – 10 V) Power supply Temperature and radiation sensor or PowerCap REFU Elektronik GmbH REFUsol 08K ... 23K...
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Page 64: Certificates
AS/NZS 4777.2:2015, AS 4777.3-2005, AS/NZS 3100:2017 VDE AR-N 4105:2011 BDEW Mittelspannungsrichtlinie (medium voltage directive) TR3 Rev 23, TR4 Rev 7, TR8 Rev 6 CEI 0-16:2012, 0-16 V1:2013, 0-16 V3:2014 CEI 0-21:2012-06, V1:2012-12, V2:2013-12, 2014-09, V1:2014-12 REFUsol 08K ... 23K REFU Elektronik GmbH... -
Page 65: Contact
(Monday - Thursday, 8 am to 5 pm, Friday 8 am to 4 pm) Online Email: service.energy@refu.com Website: www.refu.com You should have the following data at hand: • Exact description of the error with error code • Device type • Serial number • Firmware version REFU Elektronik GmbH REFUsol 08K ... 23K...
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Questions and answers
I made an error while selecting my country, and instead of choosing India, England was selected by mistake. As a result, I **** unable to proceed with the process due to this issue. Could you please guide me on how to correct this mistake or assist me in resolving it? I would greatly appreciate your help. Thank you in advance for your support. Best regards, muhammad nadeem
To correct a country selection error for the REFUsol 08K:
1. If you are unsure about the selected country code, press ESC to cancel your selection.
2. Correct the selection before confirming.
3. Once the correct country code is selected, confirm with OK.
4. Note that after accepting the country code, it can only be changed within 40 hours.
This answer is automatically generated