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Sungrow SG250HX-IN User Manual
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Sungrow SG250HX-IN User Manual

Sungrow SG250HX-IN User Manual

Pv grid-connected inverter
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S S G G 2 2 5 5 0 0 H H X X - - I I N N P P V V G G r r i i d d - - C C o o n n n n e e c c t t e e d d
I I n n v v e e r r t t e e r r U U s s e e r r M M a a n n u u a a l l S S G G 2 2 5 5 0 0 H H X X - - I I N N - -
U U E E N N - - V V e e r r 1 1 2 2 - - 2 2 0 0 1 1 9 9 1 1 2 2
SG250HX-IN-UEN-Ver12-201912
SG250HX-IN
P P V V G G r r i i d d - - C C o o n n n n e e c c t t e e d d I I n n v v e e r r t t e e r r
U U s s e e r r M M a a n n u u a a l l

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Summary of Contents for Sungrow SG250HX-IN

  • Page 1 I I n n v v e e r r t t e e r r U U s s e e r r M M a a n n u u a a l l S S G G 2 2 5 5 0 0 H H X X - - I I N N - - U U E E N N - - V V e e r r 1 1 2 2 - - 2 2 0 0 1 1 9 9 1 1 2 2 SG250HX-IN-UEN-Ver12-201912 SG250HX-IN...
  • Page 3 It is prohibited to use data contained in firmware or software developed by • SUNGROW, in part or in full, for commercial purposes by any means. It is prohibited to perform reverse engineering, cracking, or any other operations that •...
  • Page 4 V V a a l l i i d d i i t t y y This manual is valid for the following inverter types: SG250HX-IN • They will be referred to as “inverter” hereinafter unless otherwise specified. T T a a r r g g e e t t G G r r o o u u p p...
  • Page 5 S S y y m m b b o o l l E E x x p p l l a a n n a a t t i i o o n n Indicates a situation that, if not avoided, could result in equipment or property damage.
  • Page 7 C C o o n n t t e e n n t t s s All Rights Reserved .....................I About This Manual .....................II 1 Safety ......................1 1.1 PV Panels..................... 1 1.2 Utility Grid ....................1 1.3 Inverter ......................2 1.4 Skills of Qualified Personnel................
  • Page 8 4.4.1 Manual Transport ................19 4.4.2 Hoisting Transport ................19 4.5 Dimensions of mounting-bracket..............20 4.6 PV Bracket-Mounted Installation..............21 4.6.1 Preparation before Mounting ............21 4.6.2 Mounting Steps ................21 4.7 Wall-Mounted Installation ................23 4.7.1 Preparation before Mounting ............23 4.7.2 Mounting Steps ................
  • Page 9 6 Commissioning ................... 54 6.1 Inspection before Commissioning............... 54 6.2 Commissioning Procedure ................. 54 7 iSolarCloud APP ..................55 7.1 Brief Introduction..................55 7.2 Download and Install .................. 55 7.3 Function Overview ..................56 7.4 Login......................56 7.4.1 Requirements ................... 56 7.4.2 Login Steps ..................
  • Page 11 The safety instructions in this manual cannot cover all the precautions that should be followed. Perform operations considering actual onsite conditions. SUNGROW shall not be held liable for any damage caused by violation of the safety instructions in this manual.
  • Page 12 1 Safety User Manual All electrical connections must be in accordance with local and national standards. Only with the permission of the utility grid, the inverter can be connected to the utility grid. 1.3 Inverter Danger to life from electric shocks due to live voltage Do not open the enclosure at any time.
  • Page 13 User Manual 1 Safety Only qualified personnel can perform the country setting. Unauthorized alteration of the country setting may cause a breach of the • type-certificate marking. By touching the electronic components, you may damage the inverter. For inverter handling, be sure to: avoid any unnecessary touching;and, •...
  • Page 14 Product Introduction 2.1 Intended Usage SG250HX-IN, a transformerless three-phase PV grid-connected inverter, is an integral component in the PV power system. The inverter is designed to convert the direct current power generated from the PV modules into grid-compatible AC current and feeds the AC current to the utility grid. The intended usage of the inverter is illustrated in "figure 2-1 Inverter application in PV power...
  • Page 15 P P o o w w e e r r 250 kVA @ 30 ℃ / 3 / PE, 800 V SG250HX-IN 200 KVA @50 ℃ The device model can be found on the nameplate attached to the side of the inverter.
  • Page 16 2 Product Introduction User Manual 2.2.2 Appearance *The image shown here is for reference only. The actual product you receive may differ. D D e e s s c c r r i i p p t t i i o o n n N N o o .
  • Page 17 2.2.5 DC Switch The DC switch is used to disconnect the DC current safely whenever necessary. The SG250HX-IN is equipped with four DC switches, each DC switch controls its corresponding DC terminals. Turn the DC switches to the ON position before restarting the inverter.
  • Page 18 2 Product Introduction User Manual and feeds the AC power into the utility grid through the AC terminal. The protection circuit is equipped to ensure the safe operation of the device and personal safety. The following figure shows the main circuit of the inverter. f f i i g g u u r r e e 2 2 - - 3 3 Circuit diagram 2.4 Function Description The inverter is equipped with the following functions:...
  • Page 19 User Manual 2 Product Introduction Before enabling the PID recovery function, make sure the voltage polarity of • the PV modules to ground meets requirement. If there are any questions, contact the PV module manufacturer or read its corresponding user manual. If the voltage scheme for the PID protection/recovery function does not meet •...
  • Page 20 Check the delivery scope for completeness according to the packing list. • Contact SUNGROW or the supplier in case there is any damage or incompleteness. Do not dispose of the original packing case. It is recommended to store the inverter in it.
  • Page 21 D D e e s s c c r r i i p p t t i i o o n n I I t t e e m m SUNGROW logo and product type Technical data of inverter Instructions and marks of conformity...
  • Page 22 3 Unpacking and Storage User Manual 3.3 Scope of Delivery f f i i g g u u r r e e 3 3 - - 2 2 Scope of Delivery a. The mounting-bracket includes 2 mounting-bracket components and 1 connecting bar.
  • Page 23 User Manual 3 Unpacking and Storage Store the inverter in the original packing case with the desiccant inside. • The storage temperature must be always between -40° C and +70° C, and the • storage relative humidity must be always between 0 and 95 %, non-condensing. In case of stacking storage, the number of stacking layers should never exceed the •...
  • Page 24 Mechanical Mounting 4.1 Safety during Mounting Make sure there is no electrical connection before installation. In order to avoid electric shock or other injury, be sure there is no electricity or plumbing installations before drilling holes. Risk of injury due to improper handling Always follow the instructions when moving and positioning the inverter.
  • Page 25 User Manual 4 Mechanical Mounting The ambient temperature and relative humidity must meet the following • requirements. Prevent the inverter from direct exposure to sun, rain and snow. • The inverter should be well ventilated. Ensure air circulation. • Never install the inverter in living areas. The inverter will generate noise during •...
  • Page 26 4 Mechanical Mounting User Manual In case the installation site is a level surface, mount the inverter to the horizontal-mounting bracket to meet the mounting angle requirements, as shown in the figure below. Take the following items into account when designing the bracket scheme: Consider onsite climate conditions and take anti-snow and anti-rain •...
  • Page 27 User Manual 4 Mechanical Mounting * The distance can be shortened to 200mm according to onsite conditions. In case the distance is less than 800mm, move the inverter from the mounting-bracket or wall before maintaining fans. In case of multiple inverters, reserve specific clearance between the inverters. •...
  • Page 28 4 Mechanical Mounting User Manual 4.3 Installation Tools Installation tools include but are not limited to the following recommended ones. If necessary, use other auxiliary tools on site. table 4-1 Tool specification S S p p e e c c i i f f i i c c a a t t i i o o n n N N o o .
  • Page 29 User Manual 4 Mechanical Mounting 4.4 Moving the Inverter Move the inverter to the specified position before installation. The inverter can be moved manually or via a hoist. 4.4.1 Manual Transport step 1 Release the sealing screws on the mounting ears with a flat-head screwdriver and store them properly.
  • Page 30 4 Mechanical Mounting User Manual step 2 Lead the sling through the two lifting rings and fasten the tie-down strap. step 3 Hoist the inverter, and stop to check for safety when the inverter is 100mm above the ground. Continue hoisting the device to the destination after ensuring the safety. step 4 Remove the lifting rings and reassemble the sealing screws released in Step 1.
  • Page 31 User Manual 4 Mechanical Mounting f f i i g g u u r r e e 4 4 - - 1 1 Dimensions of mounting-bracket 4.6 PV Bracket-Mounted Installation 4.6.1 Preparation before Mounting T T o o o o l l s s S S p p e e c c i i f f i i c c a a t t i i o o n n I I t t e e m m Phillips screwdriver/ electric...
  • Page 32 4 Mechanical Mounting User Manual step 2 Level the assembled mounting-bracket by using the level, and mark the positions for drilling holes on the PV bracket. Drill the holes by using a hammer drill. step 3 Secure the mounting-bracket with bolts. table 4-2 Fastening sequence C C o o m m p p o o n n e e n n t t s s D D e e s s c c r r i i p p t t i i o o n n...
  • Page 33 User Manual 4 Mechanical Mounting step 7 Fix the inverter with two M6×65 screws. - - - - E E n n d d 4.7 Wall-Mounted Installation 4.7.1 Preparation before Mounting T T o o o o l l s s S S p p e e c c i i f f i i c c a a t t i i o o n n I I t t e e m m Phillips screwdriver/ electric...
  • Page 34 4 Mechanical Mounting User Manual step 2 Level the assembled mounting-bracket by using the level, and mark the positions for drilling holes on the installation site. step 3 Insert the expansion bolts into the holes and secure them with a rubber hammer. Fasten the nut with a wrench to expand the bolt.
  • Page 35 User Manual 4 Mechanical Mounting table 4-3 Fastening sequence D D e e s s i i g g n n a a t t i i o o n n D D e e s s c c r r i i p p t t i i o o n n I I t t e e m m Wall Fastening the bolt in the sequence of nut, spring washer,...
  • Page 36 Electrical Connection 5.1 Safety Instructions Prior to any electrical connections, keep in mind that the inverter has dual power supplies. It is mandatory for the qualified personnel to wear personal protective equipments (PPE) during the electrical work. Danger to life due to a high voltage inside the inverter! The PV string will generate lethal high voltage when exposed to sunlight.
  • Page 37 User Manual 5 Electrical Connection f f i i g g u u r r e e 5 5 - - 1 1 Wiring terminals * Figure shown here is for reference only. The actual product you receive may differ！ I I t t e e m m T T e e r r m m i i n n a a l l M M a a r r k k...
  • Page 38 5 Electrical Connection User Manual 5.3 Electrical Connection Overview Electrical connection in the PV system includes additional grounding connection, AC connection, and PV string connection. D D e e s s i i g g n n a a t t i i o o n n I I t t e e m m PV string Inverter...
  • Page 39 Requirements". **If case of four single-core cables, an spare AC sealing plate accessory is required. To purchase the AC sealing plate accessory, contact SUNGROW. table 5-2 PE wire requirements P P E E w w i i r r e e c c r r o o s s s s...
  • Page 40 5 Electrical Connection User Manual table 5-3 Power cable for tracking system S S p p e e c c i i f f i i c c a a t t i i o o n n C C a a b b l l e e R R e e c c o o m m m m e e n n d d e e d d T T y y p p e e C C a a b b l l e e...
  • Page 41 User Manual 5 Electrical Connection 1:Heat shrink tubing 2：OT/DT terminal step 2 Remove the screw on the grounding terminal and fasten the cable with a screwdriver. step 3 Apply paint to the grounding terminal to ensure corrosion resistance. - - - - E E n n d d The grounding screws have been anchored to the side of the inverter before delivery, and do not need to be prepared.
  • Page 42 5 Electrical Connection User Manual step 3 Keep the wiring compartment opened during wiring through the limit lever attached to the cover. - - - - E E n n d d Close the wiring compartment in reverse order after completing wiring operations.
  • Page 43 M M u u l l t t i i p p l l e e I I n n v v e e r r t t e e r r s s i i n n p p a a r r a a l l l l e e l l C C o o n n n n e e c c t t i i o o n n If multiple inverters are connected in parallel to the grid, ensure that the total number of parallel inverters does not exceed 28. Otherwise, please contact SUNGROW for technical scheme.
  • Page 44 • transformer. The maximum AC current of all inverters connected in parallel must be taken into account. If more than 28 inverters are connected to the grid, contact SUNGROW. The transformer must be protected against overloading and short circuit. •...
  • Page 45 User Manual 5 Electrical Connection f f i i g g u u r r e e 5 5 - - 2 2 Dimensions of Terminal O O T T / / D D T T T T e e r r m m i i n n a a l l o o f f P P E E W W i i r r e e Specification: M8 / M10.
  • Page 46 5 Electrical Connection User Manual step 3 Loosen the swivel nut of the AC waterproof connector and select a seal according to the cable outer diameter. Lead the cable through the swivel nut, seal, and wiring terminal successively. step 4 Remove the protection cover and store the released screws properly. step 5 Strip the protection layer and insulation layer by specific length, as described in the figure below.
  • Page 47 User Manual 5 Electrical Connection step 8 Secure the wires to corresponding terminals. Note the terminal positions of PE wire and N wire. If a phase wire is connected to the PE terminal or N terminal, unrecoverable damage may be caused to the inverter.
  • Page 48 5 Electrical Connection User Manual If the PE cable is an independent single-core cable, it is inserted into the cabinet through the standby grounding terminal. step 10Install the protection cover - - - - E E n n d d 5.7 DC Cable Connection Electric shock! The PV array will generate lethal high voltage once exposed to sunlight.
  • Page 49 User Manual 5 Electrical Connection Make sure the PV array is well insulated to ground before connecting it to the inverter. There is a risk of inverter damage! The following requirements should be met. Failure to do so will void guarantee and warranty claims. Make sure the maximum voltage of each string is always less than 1500 V.
  • Page 50 SG250HX- 1,500V 5.7.2 Connection Procedure SUNGROW provides corresponding plug connectors in the scope of delivery for quick connection of PV inputs. DC cables should be connected to the inverter via PV connectors which are included in the scope of delivery.
  • Page 51 User Manual 5 Electrical Connection step 3 Lead the cable through cable gland, and insert into the insulator until it snaps into place. Gently pull the cable backward to ensure firm connection. Tighten the cable gland and the insulator (torque 2.5 N m to 3 N m). step 4 Check for polarity correctness.
  • Page 52 Arc or contactor over temperature may occur if the PV connectors are not firmly in place, and SUNGROW shall not be held liable for any damage caused. step 4 Follow the foregoing steps to connect PV connectors of other PV strings.
  • Page 53 User Manual 5 Electrical Connection O O u u t t e e r r d d i i a a m m e e t t e e r r D D ( ( m m m m ) ) S S e e a a l l 4.5~6 6~12...
  • Page 54 5 Electrical Connection User Manual Ensure that OT terminals of the power cable are installed on the OT/DT terminals of the AC cable. Otherwise, it will cause over heat or even burn. step 7 Gently pull the cable backwards to ensure firm connection, and fasten the swivel nut clockwise.
  • Page 55 User Manual 5 Electrical Connection - - - - E E n n d d There are four communication terminals COM1, COM2,COM3 and COM4 on the bottom of the inverter. Select the communication terminal according to onsite conditions. Disconnector (≥540V) and fuse (16A, gM) should be installed between the inverter and the tracking system control cabinet.
  • Page 56 5 Electrical Connection User Manual The inverter is equipped with two groups of RS485 communication interfaces for external communication connection. Both the two groups of interfaces can be connected to the data collector (Logger), to achieve data exchange with PC or other monitoring devices.
  • Page 57 User Manual 5 Electrical Connection M M u u l l t t i i - - i i n n v v e e r r t t e e r r c c o o m m m m u u n n i i c c a a t t i i o o n n s s y y s s t t e e m m In case of multiple inverters, all the inverters can be connected via RS485 cables in the daisy chain manner.
  • Page 58 5 Electrical Connection User Manual f f i i g g u u r r e e 5 5 - - 4 4 Configuration of dip switch (N≥15) The length of the RS485 cable should be no longer than 1,200m. If multiple inverters are connected to the data collectorLogger3000, the number of permissible daisy chains and the number of devices allowed to be connected should meet the requirements (refer to the user manual for the...
  • Page 59 User Manual 5 Electrical Connection O O u u t t e e r r d d i i a a m m e e t t e e r r D D ( ( m m m m ) ) S S e e a a l l 4.5~6 6~12...
  • Page 60 5.10 PLC Communication Connection With a PLC communication module built inside, the inverter can communicate with the PLC BOX provided by SUNGROW. For specific wiring method, refer to the PLC BOX user manual. In case of PLC communication, the AC cable must be a multi-core cable •...
  • Page 61 User Manual 5 Electrical Connection D D O O t t e e r r m m i i n n a a l l ( ( f f a a u u l l t t o o u u t t p p u u t t d d r r y y c c o o n n t t a a c c t t ) ) : : the relay can be set to fault alarm output, and user can configure it to be a normal open contact (COM＆NO) or a normal close contact (COM＆NC).
  • Page 62 5 Electrical Connection User Manual A A C C - - S S i i d d e e R R e e q q u u i i r r e e m m e e n n t t s s D D C C - - S S i i d d e e R R e e q q u u i i r r e e m m e e n n t t s s Max.
  • Page 63 User Manual 5 Electrical Connection step 2 Close the wiring compartment and tighten the two screws on its front cover with supplied Allen wrench. - - - - E E n n d d...
  • Page 64 Commissioning 6.1 Inspection before Commissioning Check the following items before starting the inverter: The inverter DC switch and external circuit breaker are disconnected. • The inverter should be accessible for operation, maintenance and service. • Nothing is left on the top of the inverter. •...
  • Page 65 iSolarCloud APP 7.1 Brief Introduction The iSolarCloud APP can establish communication connection to the inverter via the Bluetooth, thereby achieving near-end maintenance on the inverter. Users can use the APP to view basic information, alarms, and events, set parameters, or download logs, etc.
  • Page 66 7 iSolarCloud APP User Manual 7.3 Function Overview The APP provides parameter viewing and setting functions, as shown in the following "- figure 7-1 APP function tree map". f f i i g g u u r r e e 7 7 - - 1 1 APP function tree map 7.4 Login 7.4.1 Requirements The following items should meet requirements:...
  • Page 67 To set inverter parameters related to grid protection and grid support, contact SUNGROW to obtain the advanced account and corresponding password. step 4 If the inverter is not initialized, you will enter the quick setting screen of initialize protection parameter.
  • Page 68 7 iSolarCloud APP User Manual f f i i g g u u r r e e 7 7 - - 4 4 Initialization protection parameter Reset the protection parameters if the country setting is incorrect. Otherwise, fault may occur. In the European region, such as Netherlands, Sweden, Denmark, whose grid code complies with EN50549, select the parameter EN50549_1 (LV grid- connection) or EN50549_2 (MV grid-connection).
  • Page 69 User Manual 7 iSolarCloud APP f f i i g g u u r r e e 7 7 - - 5 5 Home page table 7-1 Home page description D D e e s s i i g g n n a a t t i i o o n n D D e e s s c c r r i i p p t t i i o o n n N N o o .
  • Page 70 7 iSolarCloud APP User Manual table 7-2 Description of inverter state D D e e s s c c r r i i p p t t i i o o n n S S t t a a t t e e After being energized, inverter tracks the PV arrays’...
  • Page 71 User Manual 7 iSolarCloud APP f f i i g g u u r r e e 7 7 - - 6 6 Running Information The run information includes the PV information, inverter information, input and output information. table 7-4 Run information C C l l a a s s s s i i f f i i c c a a - - D D e e s s c c r r i i p p t t i i o o n n P P a a r r a a m m e e t t e e r r...
  • Page 72 7 iSolarCloud APP User Manual C C l l a a s s s s i i f f i i c c a a - - D D e e s s c c r r i i p p t t i i o o n n P P a a r r a a m m e e t t e e r r t t i i o o n n Insulation resistance value of the input side to...
  • Page 73 User Manual 7 iSolarCloud APP f f i i g g u u r r e e 7 7 - - 7 7 History record On "history record" screen, users can check the alarm records, power yield records and event records. 7.7.1 Fault Alarm Records Tap "...
  • Page 74 7 iSolarCloud APP User Manual f f i i g g u u r r e e 7 7 - - 9 9 Detailed fault alarm info 7.7.2 Power Yields Records User can view various energy records: power curve, daily energy histogram, daily energy histogram, monthly energy histogram, and annual energy histogram.
  • Page 75 User Manual 7 iSolarCloud APP f f i i g g u u r r e e 7 7 - - 1 1 0 0 Power Curve Tap the time bar on the top of the screen to select a time segment and view the corresponding power curve.
  • Page 76 7 iSolarCloud APP User Manual f f i i g g u u r r e e 7 7 - - 1 1 1 1 More 7.8.1 Parameter Setting Tap " " to enter the parameter setting screen, as shown in the following figure. f f i i g g u u r r e e 7 7 - - 1 1 2 2 Parameter setting Tap "...
  • Page 77 User Manual 7 iSolarCloud APP f f i i g g u u r r e e 7 7 - - 1 1 3 3 Change password The password shall consisit of 8–20 digits, including letters and numbers.
  • Page 78 System Decommissioning 8.1 Disconnecting the Inverter For maintenance or other service work, the inverter must be switched off. Proceed as follows to disconnect the inverter from the AC and DC power sources. Lethal voltages or damage to the inverter will follow if otherwise. step 1 Disconnect the external AC circuit breaker and secure it against reconnection.
  • Page 79 User Manual 8 System Decommissioning - - - - E E n n d d 8.3 Disposal of the Inverter Users take the responsibility for the disposal of the inverter. Some parts and devices of the inverter, such as the capacitors, may cause environmental pollution.
  • Page 80 APP or the LCD. 3. Check whether the cross-sectional area of the AC cable meets the requirement. 4. If the fault is not caused by the foregoing reasons and still exists, contact SUNGROW. Grid transient Generally, the inverter will be reconnected overvoltage, to the grid after the grid returns to normal.
  • Page 81 3. Check whether the AC cable is firmly in place. 4. If the fault is not caused by the foregoing reasons and still exists, contact SUNGROW. Generally, the inverter will be reconnected to the grid after the grid returns to normal. If the fault occurs repeatedly: 1.
  • Page 82 SUNGROW. Wait for the inverter to return to normal. Disconnect the AC and DC switches, and Device anomaly reconnect the AC and DC switches 15 minutes later to restart the inverter. If the fault still exists, contact SUNGROW.
  • Page 83 AC and DC cables are well insulated. 3. If the fault is not caused by the foregoing reasons and still exists, contact SUNGROW. Generally, the inverter will be reconnected to the grid after the grid returns to normal. If...
  • Page 84 Wait for the inverter to return to normal. power is excessively large and out of the If the fault still exists, contact SUNGROW. normal operation range of the inverter. Generally, the inverter will be reconnected to the grid after the grid returns to normal. If the fault occurs repeatedly: 1.
  • Page 85 Device anomaly reconnect the AC and DC switches 15 minutes later to restart the inverter. If the fault still exists, contact SUNGROW. Wait for the inverter to return to normal. If the fault occurs repeatedly: 1. Check whether the ISO resistance...
  • Page 86 Disconnect the AC and DC switches, and Device anomaly reconnect the AC and DC switches 15 040-042 minutes later to restart the inverter. If the fault still exists, contact SUNGROW. Low ambient temperature, the ambient temperature is Stop and disconnect the inverter. Restart...
  • Page 87 2. Check if the xth DC fuse is damaged. If so, replace the fuse. 3.If the fault is not caused by the foregoing reasons and still exists, contact SUNGROW. *The code 078 to code 081 are corresponding to PV 1 to PV 4 respectively.
  • Page 88 Restart the inverter or clear the fault through Protection self-check the App. failure on grid side If the fault still exists, contact SUNGROW. 1. Check whether the AC cable is correctly connected. 2. Check whether the insulation between Grounding cable fault the ground cable and the live wire is normal.
  • Page 89 String x reverse 532-547 2. If the fault is not caused by the foregoing connection alarm reasons and still exists, contact SUNGROW. *The code 532 to code 547 are corresponding to string 1 to string 16 respectively. 1. Check whether the corresponding module is sheltered.
  • Page 90 Restart the inverter only after removing the fault that impairs safety performance. As the inverter contains no component parts that can be maintained, never arbitrarily replace any internal components. For any maintenance need, please contact SUNGROW. Otherwise, SUNGROW shall not be held liable for any damage caused.
  • Page 91 User Manual 9 Troubleshooting and Maintenance 9.2.1 Routine Maintenance I I t t e e m m M M e e t t h h o o d d P P e e r r i i o o d d Check the temperature and dust of the inverter.
  • Page 92 9 Troubleshooting and Maintenance User Manual F F a a n n M M a a i i n n t t e e n n a a n n c c e e Stop the inverter and disconnect it from all power supplies before •...
  • Page 93 User Manual 9 Troubleshooting and Maintenance step 4 Pull out the fan module, clean the fans with soft brush or vacuum cleaner, and replace them when necessary. step 5 Follow the steps above to remove the fan on the other side of the inverter. step 6 Reinstall the fan back to the inverter in reverse order and restart the inverter.
  • Page 94 10 Appendix 10.1 Technical Data S S G G 2 2 5 5 0 0 H H X X - - I I N N P P a a r r a a m m e e t t e e r r s s I I n n p p u u t t ( ( D D C C ) ) Max.
  • Page 95 User Manual 10 Appendix S S G G 2 2 5 5 0 0 H H X X - - I I N N P P a a r r a a m m e e t t e e r r s s Max.
  • Page 96 E E x x c c l l u u s s i i o o n n o o f f L L i i a a b b i i l l i i t t y y In the following circumstances, SUNGROW has the right to refuse to honor the quality guarantee: The free warranty period for the whole machine/components has expired.
  • Page 97 User Manual 10 Appendix China Australia Sungrow Australia Group Pty. Ltd. Sungrow Power Supply Co., Ltd Hefei Sydney +86 551 65327834 +61 2 9922 1522 service@sungrowpower.com service@sungrowpower.com.au Brazil France SungrowDo Brasil Sungrow France – Siege Social Sao Paulo Paris +55 11 2366 1957 latam.service@sa.sungrowpower.com...
  • Page 98 10 Appendix User Manual Romania Turkey Service Partner - Elerex Sungrow Deutschland GmbH Turkey Istanbul Representative Bureau +40 241762250 Istanbul service.romania@sungrow.co +90 2127318883 service.turkey@sungrow.co U.S.A, Mexico Sungrow Power UK Ltd. Sungrow USA Corporation Milton Keynes PhoenixArizona +44 (0) 0908 414127 +1833 7476937 service.uk@sungrow.co...
  • Page 99 Sungrow Power Supply Co., Ltd. Add: No.1699 Xiyou Rd.,New & High Technology Industrial Development Zone, 230088,Hefei, P. R. China. Web: www.sungrowpower.com E-mail: info@sungrow.cn Tel: +86 551 6532 7834 / 6532 7845 Specifications are subject to changes without advance notice.