Delta M88H_121 ST Quick Installation Manual Download Page 1

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Solar Inverters
M88H_121 (ST) with Delta part number: RPI883M121300, Product version 0
M88H_122 (CF) with Delta part number: RPI883M122300, Product version 0

Quick Installation Guide

Europe

United Kingdom

solarsolutions.delta-emea.com

Summary of Contents for M88H_121 ST

Page 1: ...ers M88H_121 ST with Delta part number RPI883M121300 Product version 0 M88H_122 CF with Delta part number RPI883M122300 Product version 0 Quick Installation Guide Europe United Kingdom solarsolutions delta emea com ...

Page 2: ...rsion of the Quick Installation Guide or of the comprehensive Installation and Operation Manual is available Copyright Delta Electronics Netherlands B V All rights reserved This manual is intended for installers The information in this manual is to be treated as confidential and no part of this manual may be reproduced without prior written permission from Delta Electronics The information in this...

Page 3: ...s 34 M88H_122 CF Cable gland 35 M88H_122 CF Tips 37 Connecting to the solar modules DC 38 M88H_121 ST Cable gland 38 M88H_121 ST 1 2 MPP Tracker operation 39 M88H_122 CF 41 Correctly closing the terminal box 44 Connecting the communication card 45 Overview 45 Connecting a data logger via RS485 46 Connecting the digital inputs dry contacts and external power off optional 47 Attaching warning labels...

Page 4: ... to lightning strikes follow the provi sions that apply in your country The surface of the inverter can get very hot during operati on Wear safety gloves when you touch the inverter apart from at the display The inverter is very heavy For lifting and moving use a me chanical lifting device e g a crane or hoist At least three persons are required for manual hoisting and moving Only equipment in acc...

Page 5: ...DANGER Electric shock Potentially fatal voltages are present at the inverter DC connections When light falls on the solar modules they immediately start to genera te electricity This also happens when light does not fall directly on the solar modules Never disconnect the inverter from the solar modules when it is under load Turn the DC isolating switch to the 0 OFF position Disconnect the connecti...

Page 6: ...air inlets and pre venting the entry of small animals Cable gland for the communication con nection 1 For fastening the communication cables to the wiring box Quick installation guide and basic safety instructions 1 Solar Wechselrichter M88H_121 ST und M88H_122 CF Produktversion D Installationskurzanleitung Deutschland Österreich Schweiz Belgien M6 mounting screw 5 For fastening the wiring box to ...

Page 7: ... wiring box to the mounting plate with spring washer and washer Cable gland for the AC connection 1 For feeding the AC cable into the wiring box Cable gland for the communication con nection 1 For fastening the communication cable to the wiring box Quick installation guide and basic safety instructions 1 Solar Wechselrichter M88H_121 ST und M88H_122 CF Produktversion D Installationskurzanleitung D...

Page 8: ...utlet 2x 11 Communication card 5 Filter for air inlet 12 AC cable gland 6 Cover panel for the air inlet 2x 13 Cover panel for the wiring box 7 DC cable gland 2x 11 1 RS485 connection 11 2 Digital inputs 11 3 Dry contacts 11 4 DIP switch for VCC and RS485 termination resistor Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 8 Components ...

Page 9: ...ctions The design of the DC connections on the DC terminal block has changed in comparison with previous versions of the M88H_121 ST You must comply with the correct use of plus and minus when connecting the DC cables 9 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Components of the inverter M88H_121 ST ...

Page 10: ...he communication connection 5 Filter for air inlet 12 AC cable gland 6 Cover panel for the side air inlet 2x 13 Cover panel for the wiring box 7 Grounding connection 10 1 RS485 connection 10 2 Digital inputs 10 3 Dry contacts 10 4 DIP switch for VCC and RS485 termination resistor Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 10 Compo...

Page 11: ...s 16 DC1 string fuses 18 AC terminal block 15 Type 2 DC surge protection devices 17 DC2 string fuses 11 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Components of the inverter M88H_122 CF ...

Page 12: ...e applicable electronic waste disposal regulations of your country or region This regulatory symbol does not apply to the EU because the noise level lies below the EU guidelines EXIT EXIT Exit the current menu Cancel the setting for a parameter Changes are not applied Down Move downwards in the menu Reduce the value of a configurable parameter Up Move upwards in the menu Increase the value of a co...

Page 13: ...entially life threatening currents and voltages M88H_122 CF Hazard zones with potentially life threatening currents and voltages M88H_121 ST DANGER Electric shock The cover in the interior of the wiring box does not have to be removed for cabling work All connections are accessible even when the internal cover is installed 13 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M12...

Page 14: ...ery heavy The wall or mounting system must be able to bear the heavy weight of the inverter Always use the mounting plate supplied with the inverter Use mounting materials dowels screws etc that are suitable for the wall or the mounting system as well as the heavy weight of the inverter Mount the inverter on a vibration free wall to avoid disruptions When using the inverter in residenti al areas o...

Page 15: ...perature range is excee ded the inverter stops feeding AC power into the mains This is normal operating behavior for the inverter and is necessary to protect the internal electronics In areas with many trees or fields pollen can clog the air inlets and outlets hinde ring the air flow Installation clearances and air circulation Lifting and transporting the inverter Screw the eyebolts onto the top s...

Page 16: ...50 155 485 128 37 75 690 602 123 41 205 230 612 875 M 6 8 5 42 986 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 16 Dimensions ...

Page 17: ...293 275 30 26 875 17 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Dimensions ...

Page 18: ...tachment M10 screws with hexagon socket head Tightening torque 25 30 Nm Specification for copper cable Min max Wire cross section Without wire end sleeve Rigid cable 35 150 mm2 Flexible cable 50 150 mm2 with wire end sleeve Flexible cable wire end sleeve without plastic sleeve 50 150 mm2 Flexible cable wire end sleeve with plastic sleeve 50 150 mm2 Stripping length 40 mm Specification for aluminum...

Page 19: ... standard contains requirements for minimum cable cross sections and to prevent overheating due to high currents Germany Follow the installation instructions of VDE 0100 712 This standard contains requirements for minimum cable cross sections and to prevent overheating due to high currents DC cables DC cable gland The inverter has 2 DC cable glands with 2 cable feed throughs each Min max Cable dia...

Page 20: ... IN 96 A Rated voltage UN 1000 V Attaching the conductor Type of attachment M8 screws with hexagon socket head Tightening torque 8 10 Nm Specification for copper cable Min max Wire cross section Without wire end sleeve Rigid cable 16 95 mm2 Flexible cable 25 70 mm2 with wire end sleeve Flexible cable wire end sleeve without plastic sleeve 16 70 mm2 Flexible cable wire end sleeve with plastic sleev...

Page 21: ...f UTE 15 712 1 This standard contains requirements for minimum cable cross sections and to prevent overheating due to high currents Germany Follow the installation instructions of VDE 0100 712 This standard contains requirements for minimum cable cross sections and to prevent overheating due to high currents DC cables The DC plugs for all DC connections are supplied with the inverter If you want t...

Page 22: ...e layer then immediately dip the aluminum conductor into acid fee and alkaline free neutral Vaseline and straight away insert it into the terminal block Tighten the clamping screw in the clamping body with the maximum permissible tightening torque Instructions regarding selection and utilization of Al Cu compression joints When using aluminum cables with Al Cu compression joints e g from Klauke El...

Page 23: ...anufacturer of the termi nal block see AC and DC terminal block specifications page 18 for the M88H_121 or AC terminal block specifi cations page 20 for the M88H_122 l1 Type Stripping length l1 Copper bolts UKH 70 24 mm 24 mm UKH 150 40 mm 40 mm 23 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Special instructions for the use of alum...

Page 24: ...AT5 or CAT6 Cable diameter 7 2 8 7 10 0 mm Wire cross section 0 25 1 5 mm2 The communications cable is required for connection to the following units Data logger External alarm unit Ripple control receiver External power off PC Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 24 Communications cable requirements ...

Page 25: ...sulation AC cable Fasten the cable with a strain relief element Recommended feeding of the AC cable for the M88H_121 ST Recommended feeding of the AC cable for the M88H_122 CF Communications cables Lay the cable with a suitable clearance to the AC and DC cables to prevent interference in the data connection 25 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 50...

Page 26: ...re to use these 8 fixing points in any event when using more than 8 screws For tilted or horizontal mounting of the inverter attach the mounting plate to the wall the mounting system with 10 M8 screws in accordance with the illustration on the left Be sure to use these 10 fixing points in any event when using more than 10 screws Quick installation guide for solar inverter M88H RPI883M121300 RPI883...

Page 27: ... the mounting plate 3 Check that the inverter is correctly mounted on the moun ting plate 27 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Mounting the inverter ...

Page 28: ...ing washer and washer The screws are supplied in the scope of delivery If desired also mount the cover panels for the side air inlets Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 28 Mounting the inverter ...

Page 29: ...t be at least 6 mm2 1 Bolt the grounding cable onto the inverter M6 nut spring washer and lock washer are already mounted on the inverter 2 Perform a continuity check of the grounding connection DANGER Electric shock In IT grids a twofold insulation fault can lead to high residual currents on the inverter housing Ground the housing of the inverter via the grounding connection Set up a permanent in...

Page 30: ...ur rent circuit breaker depends first and foremost on the quality of the solar modules the size of the PV system and the ambient conditions e g humidity The tripping current must not however be less than the specified minimum tripping current Integrated residual current monitoring unit The integrated universal current sensitive residual current monitoring unit RCMU is certified in accordance with ...

Page 31: ...thout neutral conduc tor Wiring examples for the M88H_122 CF L1 L2 L3 N PE 115 mm 8 10 Nm Wiring example 1 With PE conductor with neutral conductor L1 L2 L3 PE Wiring example 2 With PE conductor without neutral conductor L1 L2 L3 Wiring example 3 Without PE conductor without neutral conduc tor 31 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 20...

Page 32: ...9 m m 4 3 8 5 3 5 m m 3 4 8 4 3 8 m m 2 7 2 3 4 8 m m 2 3 9 2 7 2 m m D1 D3 D5 D4 D2 Dimensions of the sealing rings Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 32 Connecting to the grid AC M88H_121 ST Cable gland ...

Page 33: ... 53 5 65 9 mm D3 D1 D2 P1 D5 P3 D4 Assignment of the sealing rings to the cable diameters 33 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Connecting to the grid AC M88H_121 ST Cable gland ...

Page 34: ...torque 25 30 Nm The illustra tion on the left shows the wiring for a 5 conductor system with PE and N with copper cables or sector shaped alumi num cables The illustration on the left shows the wiring for a 5 con ductor system with PE and N when aluminum cables with Al Cu compression joints are used Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00...

Page 35: ...3 5 5 1 3 m m 3 4 8 4 3 5 m m 2 7 2 3 4 8 m m 2 3 9 2 7 2 m m D1 D2 D4 D3 Dimensions of the sealing rings 35 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Connecting to the grid AC M88H_122 CF Cable gland ...

Page 36: ... 27 2 mm D3 D1 D2 P1 P3 D4 Assignment of the sealing rings to the cable diameters Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 36 Connecting to the grid AC M88H_122 CF Cable gland ...

Page 37: ...nals of the AC terminal block in accordance with the phase assignment and tighten torque 8 10Nm The illustration on the left shows the wiring for a 5 con ductor system with PE and N when aluminum cables with Al Cu compression joints are used 37 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Connecting to the grid AC M88H_122 CF Tips ...

Page 38: ...D2 D3 D4 2 1 9 2 5 7 m m 1 4 0 2 1 9 m m 1 2 4 1 4 0 m m D1 D2 D4 D3 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 38 Connecting to the solar modules DC M88H_121 ST Cable gland ...

Page 39: ...bling for 2 MPPT operation when using aluminum cables with Al Cu compression joints As an alternative the M88H_121 ST can be operated with only 1 MPP tracker If this is the case then the DC connection proceeds with only 2 cables 1 cable each for DC and DC Phoenix Contact jumper for operation with 1 MPP tracker In addition 2 jumpers from Phoenix Contact are required Phoenix order number EB 2 31 UKH...

Page 40: ...ge on the left shows the cabling when copper cables or sector shaped aluminum cables are used The image on the left shows the cabling when aluminum cables with Al Cu compression joints are used Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 40 Connecting to the solar modules DC M88H_121 ST 1 2 MPP Tracker operation ...

Page 41: ... degree IP65 close un used DC connections with the rubber plugs that are attached to the DC connections Integrated string fuses and DC surge protection devices Replace damaged string fuses with devices of the same type and from the same manufacturer Surge protection devices are available from Delta Tools The protective caps lock the DC plug so that it can only be disconnected from DC connections u...

Page 42: ...th 15A string fuses in the wiring box These can be replaced by string fuses with a maximum of 20 A When doing so use 20 A string fuses manufactured by Littelfuse Littelfuse part number 0SPF020 T 2 2 Use only the original parts specified above from Stäubli formerly Multi Contact or Littelfuse Protective devices When selecting the necessary protective devices e g fuses take into account the Maximum ...

Page 43: ...ns The following illustration is also attached to the inner side of the cover of the wiring box 43 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Connecting to the solar modules DC M88H_122 CF ...

Page 44: ...1 Before screwing on the cover check all the seals and surfaces are clean and positioned correctly 2 Fit the cover 1 and then slide it upwards 2 Do not tilt the cover 2 37 Nm 3 Tighten the screws by hand at first and then use a torque wrench to tighten them crosswise with a torque of 2 37 Nm Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11...

Page 45: ...he Delta Service Software for set ting up the inverter you will need a USB RS485 adapter in order to connect the PC to the inverter Inverter USB RS485 adapter DATA Terminal 3 or 5 D DATA Terminal 4 or 6 D ATTENTION Unwanted currents Unwanted currents can flow when multiple inverters are connected via RS485 Do not use GND and VCC If the cable shield is used for providing lightning protection then t...

Page 46: ... ON Data logger Connecting multiple inverters to a data logger If the data logger does not have an integrated RS485 termi nation resistor switch the RS485 termination resistor on the first inverter to ON 1 Set a different inverter ID at each inverter during commissi oning see Commissioning Basic settings page 49 1 ON 1 2 ON 1 2 ON 1 2 RS485 Termination resistor OFF Termination resistor OFF Termina...

Page 47: ...s are closed when the relays energize Event Description Disabled The functions for the dry contacts are swit ched off On Grid Inverter is connected to the mains grid Fan failure The fans are defective Insulation Insulation test failed Alarm An error failure or warning message is present Failure An error message is present Fault A failure message is present Warning A warning message is present An e...

Page 48: ... DNO may remove the main cut out fuse Warning Two voltage sources available Distribution network PV modules Prior to any work disconnect both sources Examples of warning labels France As required by UTE 15 712 1 the following warning labels must be attached Ne pas manœuvrer en charge Ne pas manœuvrer en charge Warning label on the inside of the wiring box cover ATTENTION Câbles courant continu sou...

Page 49: ...NT button Yes No Sunspec prot set protocol Are you sure to 5 Check that the correct protocol is selected If the protocol is selected use the and buttons to select the Yes entry and then press the ENT button Press the EXIT button to change the selection ID 001 Setting ID NOTE If multiple inverters are connected to the PV system then a different inverter ID must be set for each inverter For example ...

Page 50: ...d by monitoring systems to uniquely identify each inverter E Today 0kWh Power 0W Status On Grid 10 Sep 2018 14 55 1 If the default information is displayed press the EXIT button to open the main menu Otherwise press the EXIT button repeatedly until the main menu is displayed Inverter Info General Settings Install Settings Active Reactive Pwr FRT 2 Use the and buttons to select the Install Settings...

Page 51: ...h Power 0W Status On Grid 10 Sep 2018 14 55 1 If the default information is displayed press the EXIT button to open the main menu Otherwise press the EXIT button repeatedly until the main menu is displayed Inverter Info General Settings Install Settings Active Reactive Pwr FRT 2 Use the and buttons to select the Install Settings entry and then press the ENT button Password 0 energy production Adj ...

Page 52: ... this setting only after consultation with Delta customer service To change this setting you need a special password that you receive from Delta customer service You can find the contact information on the back of this document E Today 0kWh Power 0W Status On Grid 10 Sep 2018 14 55 1 If the default information is displayed press the EXIT button to open the main menu Otherwise press the EXIT button...

Page 53: ...numerals Press the ENT button to confirm a numeral Grid Settings DC Injection Dry Contact RCMU ON PID Function ON 4 Use the and buttons to select the Dry Contact entry and then press the ENT button Dry Cont B Disable Dry Cont A Disable 5 Use the and buttons to select a dry contact and press the ENT button The current setting is shown after the name of the dry contact On Grid Fan Fail Insulation Di...

Page 54: ... DC input Maximum breaking current 120 A Open circuit voltage VOC 1000 V Number of MPP trackers Parallel inputs 1 MPP tracker Separate inputs 2 MPP trackers Number of DC inputs total DC1 DC2 2 1 1 Electrical isolation No Overvoltage category 1 II Surge protection devices 3 Type 2 replaceable Output AC M88H_121 ST AC nominal voltage 400 VAC 480 VAC Max Apparent power 4 73 kVA5 88 kVA6 Rated apparen...

Page 55: ...load behavior Current limit power limit Safety IEC 62109 1 2 CE compliance EMC EN 61000 6 2 EN 61000 6 3 Fault free operation IEC 61000 4 2 3 4 5 6 8 Harmonic distortion EN 61000 3 2 Fluctuations and fibrillations EN 61000 3 3 Mains connection guidelines You will find the current list at www solar inverter com 1 IEC 60664 1 IEC 62109 1 2 The specified value applies for a temperature of 25 C in the...

Page 56: ...C string Maximum breaking current 120 A Open circuit voltage VOC 1000 V Number of MPP trackers Parallel inputs 1 MPP tracker Separate inputs 2 MPP trackers Number of DC inputs total DC1 DC2 18 9 9 Electrical isolation No Overvoltage category 1 II String fuses 15 A 2 Surge protection devices 3 Type 2 replaceable Output AC M88H_122 CF AC nominal voltage 400 VAC 480 VAC Max Apparent power 4 73 kVA5 8...

Page 57: ...d behavior Current limit power limit Safety IEC 62109 1 2 CE compliance EMC EN 61000 6 2 EN 61000 6 3 Fault free operation IEC 61000 4 2 3 4 5 6 8 Harmonic distortion EN 61000 3 2 Fluctuations and fibrillations EN 61000 3 3 Mains connection guidelines You will find the current list at www solar inverter com 1 IEC 60664 1 IEC 62109 1 2 The specified value applies for a temperature of 25 C in the in...

Page 58: ...Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 58 Space for notes ...

Page 59: ...59 Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019 11 07 Space for notes ...

Page 60: ... 9323 toll free Great Britain support uk solar inverter com 0800 051 4281 toll free Greece support greece solar inverter com 49 7641 455 549 Israel supporto israel solar inverter com 800 787 920 toll free Italy supporto italia solar inverter com 800 787 920 toll free Netherlands ondersteuning nederland solar inverter com 0800 022 1104 toll free Poland serwis polska solar inverter com 48 22 335 26 ...

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