Delta M250HV Operation And Installation Manual
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Delta M250HV Operation And Installation Manual

Delta M250HV Operation And Installation Manual

Grid-tie transformerless solar inverter
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Grid-tie Transformerless Solar Inverter
M250HV
Operation and Installation Manual
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Summary of Contents for Delta M250HV

  • Page 1 The power behind competitiveness Grid-tie Transformerless Solar Inverter M250HV Operation and Installation Manual www.deltaww.com...

  • Page 3: Table Of Contents

    Contents ......... . . 1　Safety .
  • Page 4 ......　 5.3　 External String Fuse For M250HV ....
  • Page 5 ... . Figure 3-16: First installation of M250HV just open the AC side (left) door .......
  • Page 6 ....Figure 3-35: Remove communication connector from M250HV .....
  • Page 7 Table ........Table 2-1: Packing list .

  • Page 8: 1　Safety

    DELTA ELECTRONICS, INC. Service engineers and end users may not divulge the information contained herein or use this manual for purpose other than those strictly connected with correct use of the product.

  • Page 9: General Safety

    1.2.1 Condition of Use - M250HV is a transformerless solar inverter with 12 MPP tracking inputs, which converts the variable direct current generated by the solar array into a utility frequency grid-compliant balanced three-phase AC current and feeds it into the utility grid.

  • Page 10: Symbols

    Safety 1.2.2 Symbols This section describes the definition of the symbols in this manual. In order to prevent both personal injury and property damage, and to ensure long-term operation of the product, please read this section carefully and follow all the safety instructions while you use the product. DANGER! - This warning indicates an immediate hazard which will lead to death or serious injury.
  • Page 11 Safety INFORMATION - An exclamation mark enclosed in a double circle indicates additional important information is contained in the following section and the user should follow the instructions to prevent any hazards. DANGER : ELECTRICAL HAZARD!! - This warning indicates an immediate electrical hazard that unheeded can lead to death or serious injury.

  • Page 12: 2　Introduction

    Introduction 2　Introduction M250HV transformerless 3Ø PV inverters are designed to enable the highest levels of efficiency and provide longest operating life by use of state-of-the-art high frequency and low EMI switchmode technology. It is suitable for outdoor use. - This product utilizes a transformerless design, and is not provisioned with an isolation transformer, and therefore has no galvanic isolation between the DC and AC sides.

  • Page 13: Product Overview

    ⑩ ⑪ ⑥ Figure 2-1: Components Table 2-1: Packing list M250HV Object Description Delta Solar Inverter 1 pc Solar inverter Important instructions for solar inverter. User Manual 1 pc Safety instructions should be followed during installation and maintenance. Reinforce Bracket...
  • Page 14 Introduction External Antenna DC Switches Fans Bracket SUB_1G Antenna DC Input (H4) x 30 strings AC Output COMM. Gland DC Switch External External Grounding Grounding Figure 2-2: Overview...
  • Page 15 Made in China Manufacturing location: No. 1688 Jiangxing East Road, Wujiang Economic Development Zone Suzhou City, 215200 Jiangsu Province,P.R. China Authorized representative Delta Electronics (Netherlands) B.V. Zandsteen 15, 2132 MZ Hoofddorp, The Netherlands IEC 61439-2 150 sec. Figure 2-3: Rating label...
  • Page 16 Introduction Figure 2-4: External/ internal view...
  • Page 17 Introduction ② ③ ⑥ ⑦ ④ ① ⑧ ⑤ Figure 2-5: Layout Table 2-3: Layout description Component Component Component N3U_SB1 AC terminal AC SPD DC SPD Internal fan 1 Internal fan 2 Internal fan 3 Communication module...

  • Page 18: 3　Installation

    Installation 3 Installation CAUTION ! - In some locations, mounting the inverter in direct sunlight may cause the inverter to enter a thermal derating mode. To eliminate this concern, a shade structure over the inverter chassis may be necessary. WARNING ! - Do not install the unit near or on flammable surfaces.

  • Page 19: Unboxing & Review

    Installation 3.1 Unboxing & Review Unpacking the case, please follow the order of Figure 3-1. It could be transported by 2 people (Figure 3-4). Figure 3-1: The step to unpacking the inverter CAUTION ! - Use the handle (item 3, Figure 2-1) to stand up the inverter as Figure 3-3, 3-4. - Required at least 2 people to lift the inverter.
  • Page 20 Installation Prohibit to force with fan shutter. Prohibit to force with Prohibit to force with DC connector. DC switch. Prohibit to force with AC box. Figure 3-2: Hand hold position for lifting...

  • Page 21: Transport The Inverter

    Installation 3.2 Transport the inverter ATTENTION - Only the person with technical background is permitted to install the inverter. Stand up the inverter Location holes for handles Screw plug back with 0.5N • m torque on the case after installation to avoid water inflow.
  • Page 22 Installation Lift the inverter Location holes for handles Figure 3-4: Installation for handle - lift the inverter Hoisting Hook (M12 / 42 N • m) Figure 3-5: Attaching the Hoisting hooks...

  • Page 23: Mechanical Installation

    Installation 3.3 Mechanical Installation This unit is designed to be wall-mounted per Section 3.3.1 or ground mounted Section 3.3.2. 3.3.1 Vertical Wall Mount Refer to Figure 3-7 to Figure 3-13. 1. Ensure the surface to which the unit is to be mounted is sufficiently strong enough to carry the weight.
  • Page 24 Installation 366.5 336.5 unit: mm Figure 3-7: Mounting bracket dimensions Figure 3-8: Required position of at least 10 screws for mounting bracket...
  • Page 25 Installation The reinforce bracket is needed after wall mount the inverter. * Screw torque required for assembling: 24.5 N•m Figure 3-9: Reinforce bracket assembling Figure 3-10: Permitted mounting positions...
  • Page 26 Installation Figure 3-11: Prohibited mounting positions Wall > 534mm > 368mm > 776mm > 1330mm > 250mm Inverter #1 Inverter #2 > 1790mm height * Figure 3-12: Required mounting clearances Wall >265mm >265mm >400mm >800mm >600mm height * height * Figure 3-13: Separation distance of plural inverters * For wall mount installation, make sure it is high enough to have sufficient space for wiring.

  • Page 27: Ground Mount (Option)

    Installation 3.3.2 Ground Mount (Optional) ATTENTION - Ensure the grounded base is strong enough to hold the weight of the inverter. Grounded Bracket kit is an optional part, please contact the customer service center for the detail. 1. Fix the grounded brackets to the bottom of the inverter by 4 M12 bolts as Figure 3-14.
  • Page 28 Installation Φ12.5 mm 310 mm 659 mm height * * If the installation location has a risk of flooding or accumulated snow, please raise the appropriate height of the inverter. Figure 3-15: To secure inverter grounded brackets to ground-mounting base...

  • Page 29: Door

    For the first time installation, only need to open the AC side (left) door for wiring. * Screw torque required for assembling: 3.4 N•m DANGER : ELECTRICAL HAZARD!! Figure 3-16: First installation of M250HV just open the AC side (left) door INFORMATION - Door screws are captive screw type. Do not disassemble door screws.

  • Page 30: Electrical Installation For Ac Wiring

    Installation 3.5 Electrical Installation for AC Wiring DANGER : ELECTRICAL HAZARD!! - To avoid shock hazard during cabling, insure any live grid connections are removed from the inverter. DANGER! - It is forbidden to open both doors at the same time. WARNING ! - Code compliance is the installer's responsibility.

  • Page 31: Ac Grid Types And Connections

    The default AC Grid connection is 3Ø-3W. It can also connect 3Ø-4W without Neutral (N). The inverter will operate from the following grid connections without need of an external transformer: TNC system TNC-S system 800V 800V PE/N M250HV M250HV TNS system TT system IT system 800V 800V 800V...
  • Page 32 Installation M250HV support Cu stranded wire, Cu flexible conducor, Al stranded wire and aluminum solid (include sector wire). Cu stranded Cu flexible wire Al stranded Aluminum solid (need press with terminal) (sector) Φ12.3~13 mm <50.5 mm <28 mm AC/PE Connection (Nickel-plated)
  • Page 33 Installation Figure 3-19: AC Gland with multiple inlet (For multiple core cable) Table 3-1: Cable size comparison table (For multiple core cable) Sizes of Cables (mm) Torque (N•m) Dimension of P (mm) 72 - 77 65 - 72 57 - 65 45 - 57 0 - 0.5 33 - 45...

  • Page 34: Ac Side -Prewire Set-Up

    Keep the installation location as free as possible from moisture or corrosive atmospheres. Connect the aluminum cables quickly. Tighten the clamping screw in the clamping body with the maximum permissible tightening torque. 3.5.5 AC Wiring Please remove gland plate before wiring. Figure 3-21: Remove gland plate of M250HV...
  • Page 35 Installation Refer to Figure 3-17 in Section 3.5 for the procedure to prepare AC conductors for connection to the AC terminals. Ensure the AC conductors used are proper size that meets NEC code or other local code. After inserting conductors, torque terminal nut by 30~35 N •...
  • Page 36 Installation Optional After inserting conductors, torque terminal nut by 30~35 N • outer jacket Figure 3-23: Location for AC terminal (For single core cable)
  • Page 37 Installation Torque 0.8 N • m to fix the screw Figure 3-24 : AC gland assembling ATTENTION Please seal the AC Gland from inside the case Duct Seal by using duct seal to prevent living creature or moisture enter the case. outer jacket...

  • Page 38: Electrical Installation For Dc Wiring

    Installation 3.6 Electrical Installation for DC Wiring DANGER : ELECTRICAL HAZARD!! - PV array converts sunlight into electric power with high DC voltage and high   DC current which can cause dangerous electrical shock hazard! - Use an opaque material to cover the PV array before wiring or cabling. - Ensure the correct polarities are connected when DC cabling is applied.

  • Page 39: Dc Wiring Installation

    • The cross-sectional area for each DC conductor is 12/10 AWG (4/6mm Choose the DC string wire size based on NEC requirements or other local code. M250HV use the bulkhead mounted H4 type connectors for interconnecting string wiring to the inverter.
  • Page 40 Installation ATTENTION - According to the regulations, when each group of DC input is configured as 3 strings, the external fuse is required. Please contact Delta dealers. MDFU-20-66-20-H4S H4 PLUS Connector, H4 PLUS Connector, FEMALE MALE Figure 3-26: Location of H4 connectors to connect array wiring (DC)
  • Page 41 Installation PUSH PUSH Install protective frames before plug in DC connectors. Figure 3-27: Installation methods for protective frame...

  • Page 42: Equipment Grounding

    Installation 3.6.2 Equipment Grounding To ground the inverter, please crimp the grounding wire to ring terminal lug and fix it on the grounding point shown as Figure 3-28. Screw torque: M12/ 24.5 N•m Figure 3-28: Mount the equipment grounding...

  • Page 43: Antenna

    Figure 3-29 ~ 3-31. ATTENTION - Always keep nut and screws properly tightened on the case. Water leakage may cause serious damage. Contact DELTA service when lack for nut and screws. - Store the nut for spare usage. Antenna Location Save the nut after antenna installed.
  • Page 44 Installation >20cm There must be no obstacles within 20 cm around the antenna. Keep antenna pointing upright. Figure 3-30: Attentions of installing antenna...
  • Page 45 Installation Screw locations Put on the bracket from the top of Tighten the 3 M4 screws to antenna antenna until matching screw holes. bracket with 0.98 N • m torque. Figure 3-31: Attentions of installing antenna bracket ATTENTION - Please refer Data Collector manual for connection of Data Collector. https://mydeltasolar.deltaww.com/?p=product_manual...

  • Page 46: Communication Module Connections

    Installation 3.8 Communication Module Connections The communication module of M250HV is shown in Figure 3-32. It provides VCC, RS-485, dry contact, EPO, and Digital Input terminals for use in various applications. Details for each are presented below. There's a 12VDC source between VCC & GND for use with external device.
  • Page 47 Please refer to the chapter 3.4 and open the door, the communication module is at the red circle that is shown in Figure 3-34. Please refer Figure 3-35 to remove the connector and configure the communication cable. Figure 3-34: Location and access to Communication Module Figure 3-35: Remove communication connector from M250HV...

  • Page 48: Rs-485 Connection

    Installation 3.8.1 RS-485 Connection The pin definition for the RS-485 terminal block is shown in Table 3-4. - Pins 1 and 2 provide a 12VDC / 0.5A bus for use with accessories. - Pins 3 and 5 are both connected to the DATA+ input. - Pins 4 and 6 are both connected to the DATA - input.
  • Page 49 Installation Terminal Resistor 120Ω(1/2W) DATA+ to DATA- RS485/USB RS485/RS232 Figure 3-37: Multiinverter connection illustration Termination switch Table 3-5: Bus Termination switch settings Switch 1 Terminal Resistor ON 1 (OFF) Terminal Resistor OFF...

  • Page 50: Epo Function & Digital Input

    3.8.2 EPO Function & Digital Input The communication Module has an Emergency Power Off function (EPO). Users can customize EPO function in APP or Delta Solar System (DSS). VCC K0 K1 K2 K3 K4 K5 K6 Figure 3-38: EPO function terminal block Once enabled, the EPO function can be used to turn off the inverter via a NO relay contact connected across terminal [VCC &...

  • Page 51: Dry Contact Connection

    Installation 3.8.3 Dry Contact Connection M250HV provide a dry control contact pair that may be used to control external devices based on the status of operation of the inverter. The terminal block for this function is shown in Figure 3-39. The terminals marked in the figure identify the dry contact connection.

  • Page 52: On-Site Insulation Test

    Installation 3.9 On-Site Insulation Test For customers who want to do on-site insulation test, please make sure: 1. The DC switches are in “OFF” position. 2. Apply one probe to the positions shown in Figure 3-40, the other to the ground. It might cause damages to the inverter if probes are applied to inappropriate positions.

  • Page 53: 4　Commissioning

    4.1 Display Operation Introduction M250HV with 3 LEDs allow visual display of the inverter’s data and status as shown in Figure 4-1. Please refer to Table 4-1 for information as to the information provided by the LED indicators.

  • Page 54: Auto Id Commission Tool

    Commissioning 4.2 Auto ID Commission Tool The Auto ID function could set all inverter IDs at monitoring center after wiring RS-485. ATTENTION Please download the software from the following website: https://mydeltasolar.deltaww.com/dl_installer_guide.php?f=autoid 4.2.1 Auto ID Setting COM6 Open the software 1. Select COM Port and click COM6 2.
  • Page 55 Commissioning O7518500003W0 O7518500023W0 O7518500002W0 O7518500013W0 O7518500014W0 O7518500012W0 O7518500019W0 O7518500016W0 O7518500015W0 O7518500017W0 O7518500004W0 4. Click Set ID and the status of ID will become ok. Figure 4-2: Steps of auto ID setting by tool The numbers of ID setting less than amounts of inverter. COM6 O7518500003W0 O7518500023W0...

  • Page 56: Set Id

    Commissioning 4.2.2 Set ID To adjust the ID order, please follow the settings below. O7518500003W0 O7518500023W0 O7518500002W0 O7518500013W0 O7518500014W0 O7518500012W0 O7518500019W0 O7518500016W0 O7518500015W0 O7518500017W0 O7518500004W0 1. Enter the ID you want to change . O7518500003W0 O7518500023W0 O7518500002W0 O7518500013W0 O7518500014W0 O7518500012W0 O7518500019W0 O7518500016W0 O7518500015W0...

  • Page 57: Set Country

    Commissioning 4.2.3 Set Country Set country by the AUTO ID. O7518500003W0 O7518500023W0 O7518500002W0 O7518500013W0 O7518500014W0 O7518500012W0 O7518500019W0 O7518500016W0 O7518500015W0 O7518500017W0 O7518500004W0 1. Entry the local country ID number. O7518500003W0 O7518500023W0 O7518500002W0 O7518500013W0 O7518500014W0 O7518500012W0 O7518500019W0 O7518500016W0 O7518500015W0 O7518500017W0 O7518500004W0 2. Click the to complete country setting.

  • Page 58: Synchronize Time

    Commissioning 4.2.4 Synchronize Time Synchronize time by Auto ID tool. O7518500003W0 O7518500023W0 O7518500002W0 O7518500013W0 O7518500014W0 O7518500012W0 O7518500019W0 O7518500016W0 O7518500015W0 O7518500017W0 O7518500004W0 Click the to complete time setting. Figure 4-8: Steps of synchronize time Interference problem make sync time fail, please try again. O7518500003W0 False O7518500023W0...

  • Page 59: Delta Function Setting

    Commissioning 4.3 Delta Function Setting Delta offers two setting tools: DSS (Delta Solar System Software) and APP (MyDeltaSolar) Function Auto ID Setting Active power control Q(U) control (volt-var control) P-F control (watt-frequecy control) Q by night(Q setting 24/7) P(U) control (volt-watt control) Anti-PID Fixed cosφ...

  • Page 60: 5　Maintenance

    Maintenance 5　Maintenance Please check the unit regularly. If there are any impaired or loose parts, please contact your solar installer. Ensure that there are no fallen objects in the path of the heat outlet. WARNING ! - Prior to beginning any maintenance procedures outside AC breaker and DC switch off to avoid risk of electrical shock! - It is forbidden to open both doors at the same time.
  • Page 61 Maintenance Closing process ① ⑦ ③ ⑤ ⑥ ④ ⑧ ② * Screw torque required for assembling: 3.4 N•m Figure 5-1: Opening and closing the door...

  • Page 62: Replacement Of Surge Protection Devices (Spd)

    Maintenance 5.2 Replacement of Surge Protection Devices (SPD) M250HV have the surge protection device (SPD) at both AC and DC side as shown in Figure 5-2. AC SPD DC SPD Figure 5-2: AC and DC SPD modules...
  • Page 63 Maintenance Surge protection devices (SPD) are designed to protect sensitive circuit elements of the inverter from damage caused by lightning and other electrical transients/surges, as such they are sacrificial components and periodically, may need replacement. The SPDs are located in the inverter. If a warning message “AC Surge”...
  • Page 64 Maintenance • Accessing the door 1. Switch DC and AC power off and wait until LED display turns off. 2. To access the door, use procedure found in Section 5.1.1 Do not leave the door opened for long periods of time. •...
  • Page 65 Maintenance AC SPD DC SPD Figure 5-4: SPD location AC SPDs * A: Screw torque 0.8 N •m * G: Screw torque 1.2 N •m Figure 5-5: Remove wirings as connectors of AC SPD...
  • Page 66 Maintenance DC SPDs * A: Screw torque 0.8 N • m * G: Screw torque 1.2 N •m Figure 5-6: Remove wirings as connectors of DC SPD...

  • Page 67: External String Fuse For M250Hv

    Periodic fan and filter cleaning is required to insure long life and reliability. - The time period between cleanings depends on the quality of the environment. - Under normal duty use, Delta recommends smart fans and filters be cleaned every 4 months - For very dusty locations, it may be necessary to clean the fans and filters quarterly or monthly.

  • Page 68: Location Of Failure Fan

    Maintenance 5.4.1 Location of failure fan If the Error-code comes "Fan Fail", please refer to the corresponding code shown on DSS and procedure in following chapters to remove the fan. Fan Fail Internal External External Internal Figure 5-8: The corresponding fan location to the fan fail code on DSS DANGER : ELECTRICAL HAZARD!! - Prior to beginning any maintenance procedures outside AC breaker and DC switch off to avoid risk of electrical shock!

  • Page 69: Power Module (Pm) Fan Tray

    Maintenance 5.4.2 Power Module (PM) Fan Tray The inverter electronics are convection cooled. The primary equipment used for this function consists of a fan tray located in a plenum within the inverter. The PM electronics are isolated, and heat is transferred to the plenum airflow via a large heatsink.
  • Page 70 Maintenance * Screw torque: 0.98 N•m ① ② snap-fit ③ * Screw torque required for assembling: 0.6 N•m Figure 5-9: Disassembling fan tray from PM chassis...

  • Page 71: Internal Fan 1

    Maintenance 5.4.3 Internal Fan 1 If the warrning "Fan Fail- Internal F00" show on the DSS / APP, please follow the procedure below to remove Internal Fan 1. (1) Loosen two self-retaining screws shown in Figure 5-11 and lift the entire fan assembly.
  • Page 72 Maintenance * Screw torque: 1.2 N•m Figure 5-11: Lift the entire fan assembly and disconnect the connector * Screw torque: 0.6 N•m Figure 5-12: Remove the fan cabinet...

  • Page 73: Internal Fan 2

    Maintenance 5.4.4 Internal Fan 2 If the warrning "Fan Fail- Internal F01" show on the DSS / APP, please follow the procedure below to remove Internal Fan 2. (1) Loosen two self-retaining screws shown in Figure 5-14 and lift the entire fan assembly.
  • Page 74 Maintenance * Screw torque: 1.2 N•m Figure 5-14: Lift the entire fan assembly * Screw torque: 0.6 N•m Figure 5-15: Remove the fan cabinet...

  • Page 75: Internal Fan 3

    Maintenance 5.4.5 Internal Fan 3 If the warrning "Fan Fail- Internal F02" show on the DSS / APP, please follow the procedure below to remove Internal Fan 3. (1) Loosen two self-retaining screws shown in Figure 5-17 and lift the entire fan assembly.
  • Page 76 Maintenance * Screw torque: 1.2 N•m Figure 5-17: Lift the entire fan assembly * Screw torque: 0.6 N•m Figure 5-18: Remove the fan cabinet...

  • Page 77: Commissioning

    - Do not perform any task until the product cool down sufficiently. CAUTION : POSSIBILE INJURY ! M250HV weighs more than 104.5 kg. There is risk of injury if the inverter is carried incorrectly or dropped during transport or when attaching or removing it from the wall mounting bracket.

  • Page 78: 6　Error Message And Trouble Shooting

    Error Message and Trouble Shooting 6　Error Message and Trouble Shooting While Delta Electronics endeavors to build electronic products to very high standards of reliability, there will arise instances where the inverter may not operate properly. When such a condition is encountered, please follow the instructions in the Troubleshooting Guide (Tables 6-1, 6-2, and 6-3) to attempt to clear the fault.

  • Page 79: Fault Codes (Inverter Fault)

    Error Message and Trouble Shooting Table 6-1B: Error Codes (Field Fault) & Messages Message Description Action EPO is operated by user Release the EPO button (E25) DC Voltage Modify the solar array setting, and make the High Input voltage is over 1500Vdc Voc less than 1500Vdc (E30) Insulation...
  • Page 80 Error Message and Trouble Shooting Table 6-2B: Fault Codes (inverter fault) & Messages Message Description Action AC RLY Fault Contact customer service for Grid relay open (F13) technical support FW Unmatch Contact customer service for Firmware Incompatibility (F14) technical support 1.
  • Page 81 Error Message and Trouble Shooting Table 6-2C: Fault Codes (inverter fault) & Messages Message Description Action AC RLY Short Check the connection and Grid voltage Grid relay short (F28) in AC terminal AC RLY Open Contact customer service for Grid relay open (F29) technical support Bus Unbalance...

  • Page 82: Warning Codes (Field Warning)

    Error Message and Trouble Shooting Table 6-2D: Fault Codes (inverter fault) & Messages Message Description Action DC Current High (F60, F61, F70 DC current over range Restart inverter by DC switches F71) 1. Check the connection between external unit and COMM Ext COMM.

  • Page 83: Warning Codes (Inverter Warning)

    Error Message and Trouble Shooting 6.4 Warning Codes (Inverter Warning) Table 6-4A: Warning Codes (inverter warning) & Messages Message Description Action Ext Fan Fail 1. Remove the object that stuck in the fan(s) 2. Check the connections of all fans 1.

  • Page 84: 7　Technical Information

    Technical Information 7　Technical Information Table 7-1A: Specifications Model M250HV DC Input Occasionally Max. Voltage 1600 V * Operating Voltage Range 500 - 1500 V MPP Voltage Range (Full Power) 820 - 1350 V * Start Voltage > 550 V Rated Voltage 1150 V Max.
  • Page 85 Technical Information Table 7-1B: Specifications Model M250HV Efficiency Peak efficiency 99.0 % 98.8 % Euro efficiency Information Communication Port RS-485 / SUB_1G Regulation Enedis-PRO-RES_64E IEC 62109-1/-2 UTE C 15-712-1 IEC 61439-2 VDE AR-N 4110 IEC 61727 TRF_EN50549-2_2019a IEC 62116 EN 61000-6-2...
  • Page 86 Technical Information If the input voltage is higher than 1350V, the inverter may derate the output power. The relationship between the input voltage and the output power derating is shown in Figure 7-1. Input Voltage v.s Power De-rating Curve PF = 1 @800Vac 250kW 200kW 150kW...
  • Page 87 Technical Information Power Derating Curve with Ambient Temprature Output voltage at 800Vac PF=1 P/Pn(%) Pn=250kW 110% 100% 90 % 80 % 70 % 820V 60 % 1150V 1250V 50 % 1350V 40 % 30 % 20 % Ambient Temperature (°C) Figure 7-2: Power Derating Curve with Ambient Temprature (PF=1)
  • Page 88 Technical Information Power Derating Curve with Input Voltage Output voltage at 800Vac PF=1 P/Pn(%) Pn=250kW 110% 100% 90 % 80 % 70 % 60 % 50 % 40 % AMB_35°C 30 % AMB_45°C AMB_50°C 20 % 10 % 1350 1500 1000 1100 1200...

  • Page 89: Appendix: Assembly Note

    Appendix: Assembly Note Appendix: Assembly Note ④ ⑧ ⑦ ③ ⑥ ① ⑤ ② Appendix-1: Assembly Note-1 Location Screw torque Filter 10 kgf-cm (0.98N• m) Fan Tray 6 kgf-cm (0.6N• m) Antenna 12 kgf-cm (1.2N•m) Antenna Bracket (M4) 10 kgf-cm (0.98N• m) Reinforced Bracket / Grounded Bracket 250 kgf-cm (24.5N•m) Door screw...
  • Page 90 Appendix: Assembly Note ② ② ③ H4SFC4DMS H4SMC4DMS ② ④ ④ Appendix-2: Assembly Note-2 Location Screw torque Conductor cross-section Internal Fan 1/2/3 Cover 12 kgf-cm (1.2N•m) Internal Fan 1/2/3 Tray 6 kgf-cm (0.6N• m) H4 Plus Wire 12/10 AWG (4/6mm²) Grounding (M12) 250 kgf-cm (24.5N•...
  • Page 91 Appendix: Assembly Note ① ④ ⑤ ② ④ ③ Appendix-3: Assembly Note-3 NO Location Screw torque Conductor cross-section 305.9~356.9 kgf-cm Cu: 95mm²(4/0AWG)~300mm²(600kcmil) AC terminal (30~35N • m) Al: 120mm²(250kcmil)~300mm²(600kcmil) AC Gland 8.0 kgf-cm (0.8N•m) Communication port - 20 AWG (0.5mm²) AC SPD board A: 8.0 kgf-cm (0.8N•m) G: 12 kgf-cm (1.2N•...
  • Page 94 Version 01210118...

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