Delta M88H_121 (ST) Quick Installation Manual Download Page 1

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Solar power inverter
M88H_121 (ST, product version J)
M88H_122 (CF, product version D)

Quick Installation Guide

United Kingdom

Europe

Summary of Contents for M88H_121 (ST)

Page 1: ...Solar power inverter M88H_121 ST product version J M88H_122 CF product version D Quick Installation Guide United Kingdom Europe...

Page 2: ...s consult www solar inverter com to check whether a newer version of the Quick Installation Guide or of the compre hensive Installation and Operation Manual is available Copyright Delta Electronics Ne...

Page 3: ...nverter 26 Grounding the inverter housing 29 Connecting the mains AC general notes 30 Connecting the mains AC Cable gland M88H_121 ST 32 Connecting the mains AC Cable gland M88H_122 CF 34 Connecting t...

Page 4: ...g opera tion Do not disconnect any cables while the inverter is under load due to risk of a fault arc To prevent damage due to lightning strikes follow the provi sions that apply in your country The s...

Page 5: ...none of the connections can be accidentally restored 3 Wait at least 100 seconds until the internal capacitors have discharged DANGER Electric shock Potentially fatal voltages are present at the inver...

Page 6: ...e inverter Cable gland for DC feed through 2 For feeding the DC cable into the junction box Screening plate for the air inlet 2 For covering the air inlets and pre venting the entry of small animals C...

Page 7: ...oothed lock washer mounted on the inverter 18 Multi Contact MC4 plug for DC 32 0016P0001 UR for 4 6 mm2 M6 mounting screw 4 For fastening the wiring box to the mounting plate with spring washer and wa...

Page 8: ...n module 10 Cable gland for the communication connection 4 Filter for air outlet 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...

Page 9: ...n devices 16 AC surge protection devices 15 DC terminal block 17 AC terminal block DANGER Modified design of the DC connections The design of the DC connections on the DC terminal block has changed in...

Page 10: ...lating switch 2 Display buttons and LED 9 Mounting plate 3 Fan module 10 Communication card 4 Filter for air outlet 2x 11 Cable gland for the communication connection 5 Filter for air inlet 12 AC cabl...

Page 11: ...ar Power Inverter M88H EU V3 EN 5013240202 02 2018 03 22 14 15 18 16 17 14 AC surge protection devices 16 DC1 string fuses 18 AC terminal block 15 DC surge protection devices 17 DC2 string fuses Compo...

Page 12: ...ocal regulations WEEE mark The inverter must not be disposed of as standard household waste but in accordance with the applicable elec tronic waste disposal regulations of your country or region This...

Page 13: ...rsions of the M88H_121 ST You must comply with the correct use of plus and minus when connecting the DC cables Hazard zones with potentially life threatening currents and voltages M88H_122 CF Hazard z...

Page 14: ...tion on the display can be read and the buttons can be operated without any problems The inverter is very heavy The wall or mounting system must be able to bear the heavy weight of the inverter Always...

Page 15: ...e without derating is exceeded the inverter reduces the AC power fed into the mains grid When the Operating temperature range is exceed ed the inverter stops feeding AC power into the grid This is nor...

Page 16: ...16 Quick Installation Guide for Solar Power Inverter M88H EU V3 EN 5013240202 02 2018 03 22 Dimensions 50 155 485 128 37 49 690 602 123 41 205 230 612 960 875 M 6 8 5 42...

Page 17: ...17 Quick Installation Guide for Solar Power Inverter M88H EU V3 EN 5013240202 02 2018 03 22 293 275 30 26 875 Dimensions...

Page 18: ...rews with hexagon socket head Screw thread M10 Rated current IN 309 A Rated voltage UN 1000 V Attaching the conductor Type of attachment M10 screws with hexagon socket head Tightening torque 25 30 Nm...

Page 19: ...or AC cables applicable in your country France Follow the installation instructions of UTE 15 712 1 This standard contains the requirements for minimum cable diameters and for avoiding overheating due...

Page 20: ...on Phoenix Contact UKH 70 Connection type Screws with hexagon socket head Screw thread M8 Rated current IN 96 A Rated voltage UN 1000 V Attaching the conductor Type of attachment M8 screws with hexago...

Page 21: ...llation regulations for AC cables applicable in your country France Follow the installation instructions of UTE 15 712 1 This standard contains the requirements for minimum cable diameters and for avo...

Page 22: ...clean the stripped end of the aluminum conductor using for instance a knife blade to scrape off the oxide layer then immediately dip the aluminum conductor into acid fee and alkaline free neutral Vase...

Page 23: ...part The length of the copper bolt on the Al Cu crimped con nector must be approximately equal to the stripping length specified for copper cable by the manufacturer of the terminal block see AC and...

Page 24: ...he communications cable with 2x2 cable feed throughs Cable requirements Shielded twisted pair cable CAT5 or CAT6 Cable diameter 7 2 8 7 10 0 mm Wire cross section 0 25 1 5 mm2 The communications cable...

Page 25: ...es or conductors always comply with the manufacturer s instruc tions so as to avoid breakage of the conductors or the insulation AC cable Fasten the cable with a strain relief element Recommended feed...

Page 26: ...tach the mounting plate to the wall the mounting system with 8 M8 screws in accordance with the illustration on the left Be sure to use these 8 fixing points in any event when us ing more than 8 screw...

Page 27: ...allation Guide for Solar Power Inverter M88H EU V3 EN 5013240202 02 2018 03 22 2 Mount the inverter on the mounting plate 3 Check that the inverter is correctly mounted on the mount ing plate Mounting...

Page 28: ...EU V3 EN 5013240202 02 2018 03 22 4 x 4 Screw the inverter to the mounting plate with 4 M5 screws spring washer and washer The screws are supplied in the scope of delivery If desired also mount the c...

Page 29: ...section must be at least 6mm2 1 Bolt the grounding cable onto the inverter M6 screw spring washer washer and toothed lock washer are already mounted on the inverter 2 Perform a continuity check of the...

Page 30: ...f the type A residual current circuit breaker 300 mA The required tripping current of the residual cur rent circuit breaker depends first and foremost on the quality of the solar modules the size of t...

Page 31: ...example 2 With PE conductor without neutral conductor L1 L2 L3 Wiring example 3 Without PE conductor without neutral conduc tor Wiring examples for the M88H_122 CF L1 L2 L3 N PE 115 mm 8 10 Nm Wiring...

Page 32: ...013240202 02 2018 03 22 Connecting the mains AC Cable gland M88H_121 ST D1 D2 D3 D5 P3 P2 P1 D4 Overview of the parts of the AC cable glands 5 3 5 6 5 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...

Page 33: ...wer Inverter M88H EU V3 EN 5013240202 02 2018 03 22 Connecting the mains AC Cable gland M88H_121 ST 58 8 65 8 mm 49 8 58 8 mm 39 8 49 8 mm 43 8 53 5 mm 53 5 65 9 mm D3 D1 D2 P1 D5 P3 D4 Assignment of...

Page 34: ...EU V3 EN 5013240202 02 2018 03 22 D1 D2 P3 D4 P2 P1 D3 Overview of the parts of the AC cable glands 4 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 seali...

Page 35: ...lar Power Inverter M88H EU V3 EN 5013240202 02 2018 03 22 34 8 43 5 mm 43 5 51 3 mm 27 2 34 8 mm 23 9 27 2 mm D3 D1 D2 P1 P3 D4 Assignment of the sealing rings to the cable diameters Connecting the ma...

Page 36: ...e conductors of the AC cable into the terminals of the AC terminal block in accordance with the phase as signment and tighten the terminals torque 25 30Nm The illustration on the left shows the wiring...

Page 37: ...Nm Insert the conductors of the AC cable into the terminals of the AC terminal block in accordance with the phase assignment and tighten the terminals torque 8 10Nm The illustration on the left shows...

Page 38: ...e for Solar Power Inverter M88H EU V3 EN 5013240202 02 2018 03 22 Connecting solar modules DC cable gland M88H_121 ST 21 9 25 7 mm 14 0 21 9 mm 12 4 14 0 mm D2 D3 D4 2 1 9 2 5 7 m m 1 4 0 2 1 9 m m 1...

Page 39: ...perating point for the two DC inputs is adjusted separately In cases of 2 MPPT operation two cables are connected per DC input DC1 and DC2 one each for DC and DC DC cabling for 2 MPPT operation when u...

Page 40: ...21 ST CLICK 1 Insert one jumper each in DC1 and DC2 until they engage in the DC terminal block 2 Connect the red cable DC to terminal DC1 and the black cable DC to terminal DC2 The left hand image sho...

Page 41: ...nstallation NOTICE Ingress of moisture Moisture can enter via open DC connections To ensure protection degree IP65 close un used DC connections with the rubber plugs that are attached to the DC connec...

Page 42: ...2 0019 2 Use MC4 fuses of the St ubli In Line Fuse PV K ILF series 3 The M88H_122 CF is factory equipped with 15A string fuses in the wiring box These can be replaced by string fuses with a maximum of...

Page 43: ...wer Inverter M88H EU V3 EN 5013240202 02 2018 03 22 Connecting solar modules DC M88H_122 CF Assignment of the DC string fuses to the DC connections The following illustration is also attached to the i...

Page 44: ...ion work attach the cover of the wiring box in accordance with the following instructions 1 Before screwing on the cover check all seals and sur faces for correct positioning and cleanliness 2 Attach...

Page 45: ...l power off terminal block 4 RS485 terminal block 5 Protection against electromagnetic interference EMI Connecting a PC via RS485 If you wish to use a PC with the Delta Service Software for set ting u...

Page 46: ...set on the inverter display after commis sioning see Baud rate for RS485 page 51 Connecting a single inverter to a data logger ON 1 2 Termination resistor ON Data logger Connecting multiple inverters...

Page 47: ...After commissioning the relays for the external power off can be defined on the display as normally closed or normally open relays Dry contacts The inverter has two dry contacts The contacts are clos...

Page 48: ...ate mains supply at _____________________________________________ Warning Only persons authorized by DNO may remove the main cut out fuse Warning Two voltage sources present Distribution network PV mo...

Page 49: ...for utilization with the Delta Service Software 4 Use the and buttons to select SUNSPEC as RS485 protocol option and then press the ENT button Yes No SUNSPEC prot set protocoll Are you sure to 5 Check...

Page 50: ...multiple inverters are connected to the PV system then a different inverter ID must set for each inverter For example the inverter ID is used by monitoring systems to uniquely identify each inverter E...

Page 51: ...e is set to 3P4W 3 phases N PE You only need to change this setting if you are using an AC system with 3 phases PE 3P3W E Today 0kWh Power 0W Status On Grid 10 Sep 2014 15 32 1 If the default informat...

Page 52: ...operates as a normally open device Normally closed The relay operates as a normally closed device Active power limitation Change this setting only after consultation with Delta customer service To ch...

Page 53: ...Password 0 energy production Adj would affect Warning 3 This function is protected with password 5555 Use the and buttons to set the individual numerals Press the ENT button to confirm a numeral Grid...

Page 54: ...ical design 60 40 40 60 Maximum total input current DC1 DC2 140 A 70 A 70 A Maximum DC short circuit current ISC 180 A 90 A per DC input Maximum breaking current 120 A Open circuit voltage VOC 1000 V...

Page 55: ...Standards and guidelines M88H_121 ST Protection degree IP65 Safety class I Pollution degree II Overload behavior Current limit power limit Safety IEC 62109 1 2 CE compliance EMC EN 61000 6 2 EN 61000...

Page 56: ...60 Maximum total input current DC1 DC2 140 A 70 A 70 A Maximum DC short circuit current ISC 180 A 90 A per DC input 10 A per DC string Maximum breaking current 120 A Open circuit voltage VOC 1000 V N...

Page 57: ...dards and guidelines RPI M88H_12x Protection degree IP65 Safety class I Pollution degree II Overload behavior Current limit power limit Safety IEC 62109 1 2 CE compliance EMC EN 61000 6 2 EN 61000 6 3...

Page 58: ...58 Quick Installation Guide for Solar Power Inverter M88H EU V3 EN 5013240202 02 2018 03 22 Space for notes...

Page 59: ...59 Quick Installation Guide for Solar Power Inverter M88H EU V3 EN 5013240202 02 2018 03 22 Space for notes...

Page 60: ...com 0800 800 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 7...

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