Sungrow PVS-18RM User Manual Download Page 28 | Manualshive

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5 Electrical Installation

User Manual

24

Step 5

Fix screw, spring washer, flat washer, OT terminal and ground hole to the
ground point in order. For tightening torques

, refer to “Table 5-3

Comparison table of grounding hole and wiring requirements

Step 6

Tighten the nut of the waterproof terminal clockwise.

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Summary of Contents for PVS-18RM

Page 1: ...PVS 18RM UEN 202010 PVS 18RM PV Reverse Combiner Box User Manual...

Page 2: ......

Page 3: ...nd structure 8 4 Mechanical Installation 9 4 1 Scope of supply 9 4 2 Dimensions 9 4 3 Storage 10 4 4 Installation 11 4 4 1 Installation environment requirements 11 4 4 2 Installation tool preparation...

Page 4: ...Down 25 6 1 Power up 25 6 2 Power down 25 7 Routine Maintenance 26 7 1 Replacing the fuse 26 7 2 Replacing the sealing strip 27 8 Appendix 28 8 1 Basic parameters 28 8 2 Warranty 28 8 3 Contact infor...

Page 5: ...position of the combiner box Installation describes the mechanical installation and electrical connection of the combiner box Routine Maintenance describes how to replace the fuse of the combiner box...

Page 6: ...mbols This manual contains notices which you should observe to ensure your own personal and property safety or to ensure efficient use and optimal product performance These notices are highlighted wit...

Page 7: ...Always pay attention to the hazard warnings on the machine including Symbol Description indicates high voltage in the machine touching it may cause electric shock indicates the temperature exceeding t...

Page 8: ...disconnect the end of the PV string before wiring follow the string manufacturer s safety instructions Damaged device or system failure may cause electric shock or fire Before operation visually check...

Page 9: ...can cause damage to PV modules combiner boxes and inverters When wiring observe the following precautions Wire according to the wiring drawing Before wiring measure the open circuit voltage of the str...

Page 10: ...dant cables must be used with the wire diameter not less than the recommended value in the appendix The screw cap of the waterproof terminal must be fastened in place otherwise it may cause water leak...

Page 11: ...ystem Table 3 1 Parts list No Name A PV array B PV intelligent combiner box C PVS 18RM combiner box D Inverter E Transformer F Public power grid 3 2 Key features Safety and reliability PV special fuse...

Page 12: ...n Light weight easy to install and handle 3 3 Appearance and structure The appearance of the DC combiner box is shown in the figure below A B C Figure 3 2 PVS 18RM appearance No Name Description A Doo...

Page 13: ...1 B Related documents Including certificate warranty card factory inspection report etc 1 C Key Used to open the combiner box door 1 D Waterproof terminal assembly Including bottom cover and 4 waterp...

Page 14: ...e 0 95 no condensation Pay attention to possible hazards in the surrounding environment such as sudden temperature changes or collisions to prevent any damage to the combiner box The device which has...

Page 15: ...posed to direct sunlight otherwise the high temperature will reduce the yield of the system and may also affect the service life of the combiner box For large scale power plant projects the combiner b...

Page 16: ...wrist strap Protective gloves Dust mask Sound insulation earplugs Goggles Insulated shoes Vacuum cleaner Heat shrink tube Hot air gun Installation tool 11 impact drill M10 electric screwdriver M10 scr...

Page 17: ...both sides is shown in the figure below 730 250 Wall mounting Step 1 Measure the distance between the lugs on its both sides Step 2 On the plane on which the combiner box is to be installed mark the...

Page 18: ...ner box C Reverse combiner box D PV grid connected inverter E Transformer F Power grid Table 5 2 Cable designation No Description Wiring Method 1 Input cable connect to PV intelligent combiner box Ref...

Page 19: ...se B Negative output fuse box and fuse C Positive input terminal D Negative input terminal E Grounding point 5 3 Waterproof terminal Land pattern Output DC Output DC Input DC Input DC There are two in...

Page 20: ...minal PGB25 16 20 PGB29 18 25 Grounding waterproof terminal PG 16 10 14 OUTPUT DC Positive output waterproof terminal MGB24 H2 4 5 6 OUTPUT DC Negative output waterproof terminal For the version with...

Page 21: ...e taken into consideration For the cable size less than 0AWG or greater than 50mm2 refer to Wiring scheme 1 for wiring For the cable size greater than 0AWG or less than 50mm2 refer to Wiring scheme 2...

Page 22: ...to an appropriate DT terminal and insert it into a heat shrink tube L D 5 D 3 2 1 2 1 Step 4 Fix the crimped DT terminal to the input terminal For copper wire the fixing method is as shown in the fig...

Page 23: ...Pass the cable with the wire designation DC through the INPUT DC waterproof terminal and reserve an appropriate length margin Step 2 Strip the protective layer and insulation layer of the cable to ex...

Page 24: ...ure 5 4 Aluminum wire connection indication A B C D E F Copper bar Copper aluminum transition terminal M10 bolt Spring cushion Flat washer Nut Step 4 Tighten the nut of the waterproof terminal clockwi...

Page 25: ...h the wire designation PV1 through the galvanized conduit to the waterproof terminal in the OUTPUT DC area and connect to the PV1 terminal in the combiner box The cable should be reserved with an appr...

Page 26: ...same steps to connect the remaining terminals 5 5 3 Grounding Safety Instructions The grounding cable must be well grounded otherwise It may cause fatal electric shock to the operator in case of failu...

Page 27: ...mended cable specifications 16mm2 Stripping length L 15mm Tightening torque 3N m Wiring steps Step 1 Loosen the lock nut of the grounding waterproof terminal of the combiner box Step 2 Pass yellow and...

Page 28: ...screw spring washer flat washer OT terminal and ground hole to the ground point in order For tightening torques refer to Table 5 3 Comparison table of grounding hole and wiring requirements Step 6 Ti...

Page 29: ...the combiner box to ensure that the voltage is basically the same and there is no reverse polarity Step 3 Close the post switch on DC side of the inverter Step 4 Lock the door and pull out the key 6...

Page 30: ...ed in this chapter Do not leave screws washers or other metal parts in the combiner box after maintenance or they may damage the device Before maintaining the hardware of the combiner box the combiner...

Page 31: ...lacing the fuse be sure to close the fuse cover tightly 7 2 Replacing the sealing strip It is recommended to regularly inspect the internal sealing strip of the combiner box which is located in the do...

Page 32: ...l maximum 240 mm IP The rest IP65 Case part Type 4X Ambient temperature 40 60 Ambient humidity 0 95 no condensation Dimensions width x height x depth 680 x 400 x 190 mm Weight 20kg Shell material Meta...

Page 33: ...e has expired Where the device is damaged during transportation Where the device was improperly installed refitted or used Where the device is operated in extremely harsh environment as described in t...

Page 34: ...89 324 914 761 service germany sungrow co Greece 30 2106044212 service greece sungrow co India 9108041201350 service in sungrowpower com Italy 39 3391096413 service italy sungrow co Japan 81362629917...

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