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SUN2000 (8KTL-28KTL)
Quick Installation Guide

Issue 04 (2013-12-12)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

1

1. Overview

Personnel Requirements



Only qualified and trained electrical technicians are allowed to operate the SUN2000.



Operation personnel should understand the composition and working principles of the
PV grid-tied power system and local regulations.

Identification Protection



The signs on the SUN2000 shell specify important information about secure operation.
Do not damage the signs.



The nameplate attached to the SUN2000 side panel lists the SUN2000 parameter
information. Do not damage the nameplate.

Installation

Before installation, read this document carefully. Huawei shall not be liable for any
consequence caused by violation of the regulations specified in this document.



Before installing the SUN2000, ensure that the SUN2000 is not connected or electrified.



Install the SUN2000 in environments with good ventilation to ensure system
performance.



Ensure that the SUN2000 heat sinks are unblocked.



Do not move the components inside the shelf except the wiring terminals at the bottom.

Electrical Connection

Before connecting cables to the SUN2000, ensure that the SUN2000 is intact and secure.
Otherwise, electrical shocks or fire may be triggered.



Before connecting cables to the SUN2000, shield the PV modules by using opaque cloth.



All electrical connections must comply with local laws and regulations.



Before using the SUN2000 to generate electricity in grid-tied mode, obtain approval
from the local power supply department.



Ensure that the cables to the solar power system are properly connected and insulted
(That is, the insulation resistance between the ground and the main loop formed by PV
module strings, the SUN2000, and protective devices is less than 1 Mohm.) and meet
specifications.

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Summary of Contents for SUN2000-28KTL

Page 1: ...31505445 SUN2000 8KTL 28KTL Quick Installation Guide Issue 04 Date 2013 12 12 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...ei and the customer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document i...

Page 3: ...ment Before installing the SUN2000 ensure that the SUN2000 is not connected or electrified Install the SUN2000 in environments with good ventilation to ensure system performance Ensure that the SUN2000 heat sinks are unblocked Do not move the components inside the shelf except the wiring terminals at the bottom Electrical Connection Before connecting cables to the SUN2000 ensure that the SUN2000 i...

Page 4: ... cause the SUN2000 to conflict with local certification Keep an over 20 cm distance away from the SUN2000 because radiation is generated during the SUN2000 operation When operating the SUN2000 follow local laws and regulations Maintenance and Replacement Before maintaining the SUN2000 disconnect power cables from the AC and DC side and wait at least 5 minutes Stand temporary warning signs or fence...

Page 5: ...nd of larger than or greater than 32 mm Torque screwdriver Hexagon socket head 5 mm Flat head M6 Flat head screwdriver M4 Torque wrench With an open end of 10 mm Diagonal pliers Wire stripper Rubber mallet Guarded blade utility knife Cable cutter Crimping tools RJ11 crimping tool Removal tool Vacuum cleaner Multimeter Marker Diameter 10 mm Measuring tape Level ESD gloves Safety goggles Anti dust r...

Page 6: ... 3 Moving the SUN2000 Step 1 Insert hands into the slots on both sides of the SUN2000 and hold the handles as shown in Figure 1 1 and Figure 1 2 Two persons are required to move the SUN2000 Figure 1 1 Moving the SUN2000 1 Figure 1 2 Moving the SUN2000 2 Step 2 Lift the SUN2000 from the packing case and move it to the installation position ...

Page 7: ... Place the SUN2000 horizontally When placing the SUN2000 on the floor put foam or paper under the SUN2000 to protect its shell End 4 Installing the SUN2000 If the installation location is near the ground first connect the PGND cable to the ground before installing the SUN2000 on the wall For details refer to 5 Connecting PGND Cables Step 1 Install the rear panel If you use a ladder to install the ...

Page 8: ... reserve enough space for installing the SUN2000 the SUN2000 is at least 200 mm 500 mm 300 mm and 1000 mm away from objects on its both sides top bottom and front respectively as shown in Figure 1 4 Figure 1 4 Minimum installation clearance When installing multiple SUN2000s install them in the same line if sufficient space is available and install them in triangle mode shown in Figure 1 5 If no su...

Page 9: ...wei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 7 available The stacked installation mode shown in Figure 1 6 is not recommended The clearance between SUN2000s meets requirements shown in the following figures Figure 1 5 Triangle installation mode ...

Page 10: ...2 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 8 Figure 1 6 Stacked installation mode 2 Drill holes by using a hammer drill and install expansion bolts as shown in Figure 1 8 An expansion bolts contains four parts as shown in Figure 1 7 ...

Page 11: ...a depth of 52 60 mm NOTICE To prevent dust inhalation or contact with eyes wear safety goggles and an anti dust respirator when drilling holes Vacuum any dust in or around the holes by using a vacuum cleaner and measure the hole distance If the holes are inaccurately positioned drill holes again 2 Vertically insert an expansion bolt into a hole and knock the expansion bolt completely into the hole...

Page 12: ... same height as your eyes to facilitate operation and maintenance If the installation position is low and you can mount the SUN2000 on the rear panel go to Step 2 4 after performing Step 2 1 If the installation position is high and you cannot mount the SUN2000 on the rear panel perform Step 2 2 to Step 2 5 1 Use one hand to hold the handle at the bottom of the SUN2000 and use the other hand to hol...

Page 13: ...ber screws from the top of the SUN2000 using a flat head screwdriver and install two M10 lifting eyes as shown in Figure 1 11 Figure 1 11 Installing lifting eyes 3 Route a rope through the lifting eyes and hoist the SUN2000 as shown in Figure 1 12 The rope must bear the SUN2000 weight When hoisting the SUN2000 keep balance to protect the SUN2000 from colliding with the wall or other objects ...

Page 14: ...prietary and Confidential Copyright Huawei Technologies Co Ltd 12 Figure 1 12 Hoisting the SUN2000 4 Mount the SUN2000 on the rear panel and keep them aligned with each other as shown in Figure 1 13 and Figure 1 14 Figure 1 13 Mounting the SUN2000 on the rear panel front view ...

Page 15: ...the SUN2000 on the rear panel rear view 5 Tighten the two hexagon screws at the bottom the SUN2000 tightening torque of 5 N m and then install an anti theft lock as shown in Figure 1 15 You can secure the SUN2000 to the rear panel and protect it from stealing by installing an anti theft lock but this action is optional Figure 1 15 Tightening hexagon screws End ...

Page 16: ... ground first connect the PGND cable to the ground before installing the SUN2000 on the wall Step 1 Remove the insulation layer with an appropriate length using a wire stripper as shown in Figure 1 16 10 AWG outdoor power cables are recommended for grounding purposes Figure 1 16 Preparing a ground cable 1 Note L2 is 2 to 3 mm longer than L1 Step 2 Insert the exposed core wires into the OT terminal...

Page 17: ...phase AC input power cables neutral cable and PGND cable must be properly connected No neutral cable connections are involved for the SUN2000 28KTL 1 Strip the outer jacket of AC output cable by 55 mm 2 Cut the core wires of the cables excluding the PGND cable by 2 5 mm That is the core wire of the PGND cable should be 2 5 mm longer than that of other four cables For the SUN2000 28KTL the neutral ...

Page 18: ...cable gland and the adapter Figure 1 19 Connecting an AC output power cable 2 Figure 1 20 Connecting an AC output power cable 3 Step 4 Loosen the screws inside the coupling nut holes using a flat head screwdriver insert the core wires into corresponding holes and tighten the screws as shown in Figure 1 21 and Figure 1 22 Tighten the screws to a torque of 0 7 N m Figure 1 21 Connecting an AC output...

Page 19: ...d 4 For the SUN2000 28KTL do not connect the neutral cable to the hole numbered 4 Connect PE to the hole marked Figure 1 22 Connecting an AC output power cable 5 Step 5 Check that all core wires are properly connected as shown in Figure 1 23 Figure 1 23 Connecting an AC output power cable 6 Step 6 Secure the adapter to the coupling nut as shown in Figure 1 24 Tighten the adapter to a torque of 1 2...

Page 20: ...ve this torque Figure 1 25 Connecting an AC output power cable 8 Step 8 Connect the AC output connector to the bayonet coupling of the AC output wiring terminal on the SUN2000 and rotate it clockwise until you hear a click sound as shown in Figure 1 26 Because no sufficient space is available on the right of the AC terminal tighten the terminal using the left hand Figure 1 26 Connecting an AC outp...

Page 21: ...es with a cross sectional area of 4 mm2 are recommended Figure 1 27 Connecting DC input power cables 1 1 Positive power cable 2 Negative power cable Note L2 is 2 to 3 mm longer than L1 PV power cables with a cross sectional area of 4 mm2 are recommended Step 3 Insert the positive and negative power cables into corresponding cable glands Step 4 Insert the stripped positive and negative power cables...

Page 22: ...nap into place Step 6 Reinstall cable glands on positive and negative connectors and rotate them against the insulation covers Before performing step 7 the DC switch is OFF Step 7 Insert the positive and negative connectors into corresponding DC input terminals of the SUN2000 until you hear a click sound as shown in Figure 1 29 Figure 1 29 Connecting DC input power cables 3 1 Bayonet End 8 Connect...

Page 23: ...the sealing nut seals screw nut and housing Step 3 Connect the stripped network cable to corresponding pins on the plug as shown in Figure 1 30 Figure 1 30 Connecting a communications cable 1 Figure 1 30 shows the side without a clip Table 1 2 lists the cable colors and functions Table 1 2 Cable colors and functions No Color Function 1 White and orange RS485A RS485 differential signal 2 Orange RS4...

Page 24: ...re the housing to the plug as shown in Figure 1 32 Figure 1 32 Connecting a communications cable 3 Step 6 Insert the seals into and secure the screw nut to the housing as shown in Figure 1 33 Figure 1 33 Connecting a communications cable 4 Step 7 Secure the sealing nut to the housing as shown in Figure 1 34 Figure 1 34 Connecting a communications cable 5 Step 8 Insert the plug into the RS485 port ...

Page 25: ...h on the AC circuit breaker between the SUN2000 and the power grid If you perform Step 6 before Step 5 the SUN2000 generates an abnormal shutdown alarm You can start the SUN2000 only after faults are automatically rectified The default alarm clearance time is 5 minutes You can modify the time over the EMS software of the PC terminal The monitoring panel can be activated only after power is supplie...

Page 26: ... The date is displayed in the format of YYYY MM DD The time is displayed in the format of hh mm ss in which hh mm and ss stand for hour minute and second respectively 5 After setting the power grid standard code click To select a power grid standard code click or NOTE When the illumination is weak the grid code cannot be successfully set Wait until the illumination becomes sufficient log in to the...

Page 27: ...ch SUN2000 by following the rules below Addresses for all SUN2000s in the same daisy chain should be different from each other Addresses of all devices in the daisy chain should be in the scope of the SmartLogger address and different from each other if communication with the SmartLogger is required Baud rates of all SUN2000s in the same daisy chain should be the same Baud rates of all devices in ...

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