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REFU REFUsol 100K, Operating Manual

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REFU REFUsol 100K Operating Manual Download Page 16

Installation

16

General Warnings

REFUsol 100K

982059/02

2020-11

ordinance, ordinance on installations for handling 
substances hazardous to water, chemicals prohibi

-

tion ordinance, technical instructions for noise pro

-

tection, and regional building regulations.

4

Installation

4.1 General Warnings

Specification of medium voltage transformer

Mains transformer according to EN 50588-1
Switching group

Dyn5 or Dyn11

DANGER

High voltage

Danger to life due to electric shock.
The product operates at high voltages:

▸

All work on the product must be carried out 
by electrically qualified persons only.

▸

If the inverter is tilted forward on rainy or 
snowy days or the connection box is opened, 
take suitable protective measures to prevent 
water from entering the connection box. If it 
is not possible to take protective measures, 
do not tilt the inverter forward or open the 
connection box.

Summary of Contents for REFUsol 100K

Page 1: ...Document No Issue 982059 02 Issue Date 2020 11 Operating manual Solar Inverter REFUsol 100K Product REFUsol 100K Languages English English Deutsch...

Page 2: ...ent of the grant of a patent utility model or design Liability The data specified is only used to describe the product and should not be interpreted as warranted characte ristics in the legal sense Th...

Page 3: ...ts of the Decentral ConnectionBox11 3 3 Components of the Central ConnectionBox 11 3 4 Device Size and Distances 12 3 5 Mounting Location 13 3 6 Dimensions 14 3 7 Functionality of the Inverter 14 3 8...

Page 4: ...up 33 5 2 Startup 33 5 3 Configuring Inverters with the Mobile App REFUset 35 5 4 Configuring Inverters with the PC Software REFUset 36 6 REFUlog Monitoring portal 37 7 Technical Data 38 7 1 PowerUnit...

Page 5: ...f this Manual This manual is intended for installers operators service technicians and plant operators This manual contains basic information to assem ble the product safely and properly to transport...

Page 6: ...tion Tab 1 Symbols signs Symbol Meaning Useful information on the optimal and most eco nomical use of the product Prerequisite for an action that must be com pleted executed beforehand Single action s...

Page 7: ...t by electrically qualified personnel Read all technical information and safety instruc tions before installing and using the product 2 2 Rules for Safe Installation and Operation Do not attempt to in...

Page 8: ...areful around this equipment Never remove the PowerUnit inverter cover To ensure safe operation carry out all work profes sionally including transport storage assembly in stallation and operation 2 3...

Page 9: ...killed person is a person who on the basis of his professional training his knowledge and experience as well as his knowledge of the relevant regulations can assess the work assigned to him recognize...

Page 10: ...ectrical systems lock and tag according to the five safety rules Unlock and disconnect completely Secure against re connection Check that there is no voltage DC and AC Carry out earthing and short cir...

Page 11: ...the Central ConnectionBox Fig 5 Components of the central ConnectionBox DC fuses DC switch AC cables clamp AC switch AC DC SPD DC cables clamp Recess to attach the hydraulic rod Device holder Fans AC...

Page 12: ...REFUsol 100K 982059 02 2020 11 3 4 Device Size and Distances Fig 6 Installation site distances free space Fig 7 Installation site distances free space 400 mm 16 in 200 mm 8 in 400 mm 16 in 200 mm 8 in...

Page 13: ...or installation mount the inverter at an angle of 10 or greater Fig 8 Vertical and horizontal installation decentral Fig 9 Vertical and horizontal installation central 3 5 Mounting Location Fig 10 Ins...

Page 14: ...ith central ConnectionBox 3 7 Functionality of the Inverter The REFUsol100K converts the DC voltage generated by the photovoltaic modules into AC voltage and feeds it into the low or medium voltage gr...

Page 15: ...transfor mers The transfomer must be selected according to the specific site of use and the relevant regulations must be taken into account Hazardous substances 1 Photovoltaik PV modules 2 Solar strin...

Page 16: ...r Mains transformer according to EN 50588 1 Switching group Dyn5 or Dyn11 DANGER High voltage Danger to life due to electric shock The product operates at high voltages All work on the product must be...

Page 17: ...voltages that can cause lethal electric shocks are present in the live components of the inverter Always disconnect the inverter from voltage sources before performing any work on it Observe a waitin...

Page 18: ...C 60364 7 712 for special systems or locations for photovoltaic power supply systems were considered in the planning 1 Mark the drill holes according to the following dra wing Fig 14 Mounting dimensio...

Page 19: ...ls 3 Lift the ConnectionBox with two people and hook it into the two upper screws 4 Screw on the two upper screws with counter nuts by hand 5 Lift the ConnectionBox with two persons at the bot tom and...

Page 20: ...t the potential equalization conductor with ring cable lug to the PE threaded bolt M8 Fig 15 Potential equalization Central ConnectionBox 7 Insert the DC cables through the cable glands and connect th...

Page 21: ...he sealing of the cable grommet 6 First connect the protective conductor PEN Fig 17 Grounding cable PEN 7 If an N conductor is present isolate the N conductor and place it securely in the ConnectionBo...

Page 22: ...e AC cables 11 Install a protective cover onthe ConnectionBox if the PowerUnit is not installed immediately 4 7 Wiring DC Cables Decentral Connection Box 1 Open the DC fuse area using a double bit key...

Page 23: ...e cable bushing 4 Insert the potential equalization conductor and DC cables individually through the resulting holes Ensure tightness and strain relief 5 Connect the potential equalization conductor w...

Page 24: ...PV string fuses gPV with 1 100 V and 15 A Rating The for mat is 14 x 51 mm Tie cables here NOTICE The installer is responsible for the correct sizing of the fuses in regards to the solar panels speci...

Page 25: ...on Connections The REFUsol 100K is equipped with RS485 and Ether net communication ports for an easy integration into monitoring and control systems The RS485 and Ethernet 100BaseT is mapped on the sa...

Page 26: ...al unused openings of the cable gland with the supplied plugs 6 Tighten the union nut of the cable gland hand tight 7 Check tightness and strain relief Notes The maximum length for the Ethernet bus is...

Page 27: ...Pin assignment on RJ45 plug NOTICE Only connect the communication cable to the assigned two RJ45 ports with labels RS485 LAN 1 and RS485 LAN 2 The RJ45 port with label Digital Input carries 24 VDC Co...

Page 28: ...Before changed network settings become active you need to restart the inverter 1 To restart the inverter set the DC switch to the OFF position 2 Wait for 60 s and then shift the DC switch to the ON po...

Page 29: ...the remote shutdown signal is supplied by a mains protection relay that pro tects the grid voltage and frequency is monitored independently from the inverter The connection for the remote off signal...

Page 30: ...with a cutter knife Please note that this means that the packaging can no longer be reused Tab 9 Pin assignment X5 Pin Function 1 Control signal output 0 V power lock 24 V power release 2 Control sig...

Page 31: ...he PowerUnit carefully and inspect contact connections on the rear side for any damages 1 Lift the PowerUnit with the help of 2 people with one hand on the handle and one hand on top of the inverter 2...

Page 32: ...he recess of the ConnectionBox when mounted horizontally Further assembly can be continued by one person 4 18 Connecting AC DC and PEN Fig 34 Connection area of the inverter L1 3 PEN DC Digital Input...

Page 33: ...Box adapter board X6 to the digital input of the PowerUnit Digital Input DRM 0 d Make sure that the plugs are engaged 4 19 Closing and Fixing the PowerUnit 1 Carefully press the PowerUnit in its inten...

Page 34: ...dicator Key Description SOLAR indicator On DC voltage sufficient ready for feeding Fast flashing DC power not sufficient Slow flashing DC voltage is too high or too low Off No DC voltage GRID indicato...

Page 35: ...lity like error log file performance data diagrams and extended set tings CLEAR key To acknowledge an error press the key briefly less than 5 seconds Press and hold the key for more than 5 seconds to...

Page 36: ...inates blue 5 4 Configuring Inverters with the PC Soft ware REFUset You can upgrade the firmware of the inverters and change country specific parameters of the inverter with the PC software REFUset Yo...

Page 37: ...REFUcon trol data gateway Once an internet connection is established the inverter will automatically start to send data to REFU log every 5 minutes The sending interval can be changed with the configu...

Page 38: ...1 100 V DC nominal voltage 600 V 620 V 695 V 725 V MPPT range at nominal power 555 900 V 585 900 V 665 900 V 700 900 V DC operating range 555 1 000 V 585 1 000 V 665 1 000 V 700 1 000 V DC start up o...

Page 39: ...3 kVA 88 kVA 100 kVA 100 kVA AC rated voltage 380 V 400 V 460 V 480 V AC nominal voltage 315 380 400 415 440 460 480 V AC voltage range 180 528 V AC grid connection grid types 3 phases PE TN C TN S T...

Page 40: ...500 V Peak current Ip Initial short circuit current Ik according to IEC 60690 0 128 A 325 A AC connection PowerUnit to ConnectionBox connector with Button Activated Coupling Tab 12 Technical data REF...

Page 41: ...assive and active anti Islanding DC injection Grid separation gate block redundant grid relay Residual Current Monitoring RCD Isolation monitoring Type 2 yes Compatibility external RCD Type A Type B P...

Page 42: ...ates are available at www refu com EU directive 2014 30 EU 2014 35 EU Product IEC 62109 1 IEC 62109 2 IEC 62116 IEC 61727 IEC 61683 IEC 62477 1 IEC 61439 ETSI EN 300 328 V 2 1 1 EMC IEC 61000 6 2 IEC...

Page 43: ...20 strings push in clamp 6 16 mm2 ring terminal block 50 240 mm2 DC fuses order separately Art No 922028 order separately Art No 922028 DC circuit breaker integrated integrated DC overvoltage protecti...

Page 44: ...1 R S 4 8 5 L A N 2 C o n t r o lC a r d DC DC R C D A C E MC f i l t e r I S O L 1 L 2 L 3 P E N A C r e s i d u a l c u r r e n t d e t e c t i o n I n v e r t e r C o n t r o lP a n e l 3 E x t e r...

Page 45: ...tral ConnectionBox AC switch DC DC PEN RS485 LAN 2 Digital Input DRM0 RS485 LAN 1 3 L1 L2 L3 PowerUnit Optional DC DC PE X6 20 DC SPD 2 1 DC switch Fan Decentral ConnectionBox Strings X5 DC DC PE DC D...

Page 46: ...the connection box If it is not possible to take protective measures do not tilt the inverter forward or open the connection box DANGER High voltage Danger to life due to high voltages that can cause...

Page 47: ...ng screws Make sure that the PowerUnit is pressed slightly in the direc tion of the ConnectionBox when the last screw is loosened 2 Slowly pull the PowerUnit into the opposite direc tion Make sure tha...

Page 48: ...or the fuse value is to be set depending on the type of photo voltaic module used Electrical systems are disconnected according to the 5 safety rules AC switch to the inverter is opened DC switch is o...

Page 49: ...Box Electrical systems are disconnected according to the 5 safety rules 1 Loosen the 4 inverter fixing screws Make sure that the inverter is pressed slightly in the direction of the ConnectionBox when...

Page 50: ...nd DC side and the external fuses for damage 12 months Checking the strength of the clamping connec tions of the power cables and re tighten if nec essary Pay attention to discoloration changes on the...

Page 51: ...Check the installation of the inverter Check PE connection Check for faulty cables e g damaged insu lation Check solar generator installation 70004 Safety Relay Broken The self test of the safety rel...

Page 52: ...r the configured duration 9000B DC link 1 The device has disconnected from the grid due to an imbalance in the internal DC voltage and is switched on again briefly If this error occurs more than once...

Page 53: ...ownload the correct firmware package again from the manufacturer s website and restart the update If the error persists please contact REFU Service 9002A Keep Alive Internal communication is disrupted...

Page 54: ...component in the AC cur rent is above the configured limit value The device restarts automatically Please contact REFU Service 90050 AC condition The AC switch on condition has not yet been fulfilled...

Page 55: ...nction has been triggered Please contact REFU Service 90058 Watchdog C1 90059 LT Firmware The LT safety processor firmware is defective Download the correct firmware package again from the manufacture...

Page 56: ...an once contact REFU Service 90085 HW DcUnsy feeding The hardware protection has detected an im permissible asymmetry in the DC link 90086 HW driver feeding The hardware protection has detected a prob...

Page 57: ...d limit value for the configured time Measure the frequency of all three phases with REFUset and a True RMS meter Check the configured frequency limit and the configured nominal frequency 90093 Over F...

Page 58: ...Init NOK 9009E Safety APP start NOK 9009F Safety APP reset NOK 900A0 Safety Error timeout 900A1 Safety UpdateSpecial 900A2 SMS island detected An island network was detected using the SMS method The d...

Page 59: ...omatically limits its power to keep the tem perature of the device within a safe range Replace the external fans according to the manual 900AB Internal FAN NOK The internal fan does not work The devic...

Page 60: ...HW DcUnsy activation The hardware protection has detected an im permissible asymmetry in the DC link during the activation phase Open and close the DC switch If this error occurs more than once conta...

Page 61: ...detected an im permissible overvoltage in the negative DC link before the activation phase A018A HW PowNok PreActiv The hardware protection has detected a prob lem with the circuit breakers before th...

Page 62: ...K No action necessary A0191 RCD Selftest NOK The self test of the all current sensitive resid ual current monitoring failed Please contact REFU Service A0192 DCPrecharge under U DC input voltage is to...

Page 63: ...DC overvoltage occurred Measure DC voltage Set the DC voltage value indicated on the type label A0198 DC asymmetry DC voltage unbalanced No action necessary A0199 DC voltage jump An unacceptable DC vo...

Page 64: ...Troubleshooting 64 Error List REFUsol 100K 982059 02 2020 11...

Page 65: ...ed Offenders will be held liable for the payment of damages All rights reserved in the event of the grant of a patent utility model or design The data specified is only used to describe the product an...

Page 66: ...66 REFUsol 100K 982059 02 2020 11...

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