Sungrow SC50HV Manuale utente
1
SC50/60/75HV Quick Installation
Guide
This guide provides a general instruction of the installation procedures of
SC50/60/75HV.
In no case shall this guide substitute for the user manual or related notes on
the device.
Make sure to read over, fully understand and strictly follow the detailed
instructions of the user manual and other related regulations before installing
the equipment. The user manual can be downloaded by visiting the website
at http://support.sungrowpower.com/; or it can be obtained by scanning the
QR code on the side of the equipment or the back cover of the Quick
Guidance.
Any violation could result in personal death or injury or device damage.
1 Unpacking and Inspection
Step 1Remove the backplate and fasteners from the packaging.
Step 2Inspect the converter for visible damages and check the
completeness of the delivery contents according to the inner
packing list.
Contact your supplier if any of the contents is missing. The converter
is unavailable if any damage is detected.
2
ABC
FD E
Fig. 1-1 Scope of delivery
*Images shown here is for reference only! Actual product you receive may
differ.
Item
Name
Description
A
PCS unit
---
B
Backplate
It is used for mounting PCS onto the wall.
C
Documents
Documents include quality certificate, packing list,
product test report, and quick user manual.
D
Fastener set
Six units. It is used for fastening backplate onto metal
frame.
E
Fix screws
2, M4×16 screws for fix the PCS to the backplate.
F
Spare screw
6, M6×12 screws for lower connection cabinet
3
2 Mounting Converter onto the
metal frame
2-1 Installation Site Selection
Requirement for wall materials
material
Flammable wall
Flammable material or
gas near theinstallation
Requirement for installation height
Ground
Requirement for installation angle
Requirement for installation space (The fans are maintained on the left side
of the converter, and a larger clearance is required.)
4
Cool air Hot air
≥800mm/31.5in≥600mm/23.6in
≥450mm/17.7in
Ground
2-2 Install the converter
Select the installation location and regulate the clearances of multiple
converters, referring to the user manual.
Move the converter to the installation site with the help of another person or
the lifting device by means of the handles.
Install the converter onto metal frame as following procedures.
Step 1Remove the backplate and fasteners from the packaging.
Step 2Place the backplate to the chosen metal frame and adjust it to proper
position and height.
Step 3Mark the position for holes drilling according to the holes position of the
backplate.
Step 4Drill holes according to the marks make before. If the shape of the metal
frame does not match the backplate, re-drill holes on the backplate
according to the metal frame chosen.
Step 5Secure the backplate to the metal frame firmly by the supplied fastener.
Torque of the fasten nut is 35 Nm.
5
F
D
A
B
C
Install backplate E
Step 1Lift the converter above the backplate and then slide down to make sure
they match perfectly.
Step 2After putting the converter on the backplate, secure the converter to the
backplate with two M4×16 screws (fix screw hole has its own nut).
Mount the PCS
No.
Name
Description
A
Hexagon nut
M10
B
Spring
washer
-
C
Flat washer
-
D
Screw bolt
M10*45
E
Metal frame
-
F
Backplate
-
6
3 Electrical Connection
Death hazards due to high voltage existing inside the converter!
Make sure that all the DC and AC cables to the converter are not live before
you start the electrical work.
Do not turn on the AC side or DC side circuit breaker until all converter
electrical connections have completed.
3-1 Open the Connection Cabinet
Loose the six screws on the front cover of the connection cabinet and remove
the front cover to see the internal layout of the connection cabinet.
2
1
3
45
7
6
Com.1
Com.3
Com.2
Com.4
BAT Input AC Output PE Cable
8 9 10 11
*Image shown here is for reference only. Actual product you receive may differ.
No.
Name
Description
1
Start / Stop button
Start / Stop the PCS.
2
Battery switch
Protective components to safely disconnect
DC side current.
7
No.
Name
Description
3
Configuration circuit
board
Communication cable connection and
configuration
4
Battery crimping terminal
Battery input cable access
5
AC crimping terminal
AC output cable access
6
PE terminals
PE cable access
7
AC switch
Protective components to safely disconnect
from AC side.
8
Communication cable
glands
For Communication cable connection
Knockout diameter for COM cable is 28.5mm
9
Battery cable gland
For battery cables connection
Knockout diameter for BAT cable is 75.5mm
10
AC cable gland
For AC cables connection
Knockout diameter for AC cable is 75.5mm
11
PE cable gland
For PE cable connection
3-2 Cables Selection
Second PE Cable
The cross-sectional area of the second PE cable shall be exactly the same
with that of the PE cable of theAC cable.
AC Cable
The cross-section of the AC cable conductor must be sized in order to prevent
accidental disconnections of the PCS from the grid due to high impedance of
the cable that connects the PCS to the power supply point.
A
B
L1
L2
L3
CD
No.
Description
Remark
A
Protective layer /Conduit
Outer diameter: 22mm~33mm /
0.87in~1.30in
B
Length of insulation to be
stripped off
Refer to Fig. 3-1Crimping the lugs
C
Insulation layer
-
D
Cross section of AC
cables
Range: 25mm2-120 mm2/ 4AWG~4/0AWG
Internal PE Cables
Outer diameter
Cross section
5mm~10mm / 0.20in~0.40in
6 mm2–16 mm2/ 10AWG~6AWG
8
Recommended cable specifications inAustralia
Outer diameter
Cross section
6mm~18mm / 0.30in~0.70in*
6 mm2~16 mm2/ 10AWG~6AWG
DC cables:
Outer diameter
Cross section
22mm~33mm /
0.87in~1.30in
25mm2-120 mm2/ 4AWG~4/0AWG
RS485 communication cables
Shielded twisted pair cables or Shielded twisted pair Ethernet cables.
3-3 Aluminum cable requirements
If the aluminum cable is selected, in order to ensure a reliable electrical
connection, use the the copper and aluminum conversion terminal to avoid
direct contact between the AC copper bar and the aluminum cable.
Aluminum cable
Conversion terminal
Directly connecting the aluminum cable to the copper bar will cause
abnormal operation or even device damage.
3-4 Second PE Cable Connection
A second protective earth (PE) terminal is equipped at the side of the PCS. Be
sure to connect this PE terminal to the PE bar for reliable grounding and ensure
that the grounding resistance should be less than 10 Ohm.
In European and Asia-Pacific regions, this secondary protective
grounding connection cannot replace the connection of the terminals
in the AC wiring. Both shall be reliably grounded. Otherwise, Sungrow
will not take any responsibility for the possible consequences.
9
6~7N.m
M6
In other regions (such as North America), the secondary protective
grounding can be implemented in accordance with the relevant
standards of the country/region.
3-5 AC Connection
Install an AC circuit breaker (recommended specification 125A/690V)
between the PCS and the AC side.
Step 1Disconnect AC circuit breaker to prevent it from inadvertently
reconnecting.
Step 2Loosen the six screws（M6×16）on the lower connection
cabinet.
Step 3Strip off AC cables as shown below.
For flexible cables (stranded wires), use crimping lugs.
Step 4Strip the protection layer and insulation layer by specific length, as
10
described in the figure below.
E
B=E+(2~3)mm
Fig. 3-1 Crimping the lugs
Step 5Crimp the cord end terminals.
Step 6Loosen the swivel nut of the gland terminal (Marked as “AC Output”) and
select an appropriate seal according to cable outer diameter. Lead the
cable through the swivel nut and seal successively.
Step 7Connect theAC cable to the corresponding terminals.
L1 L2 L3
M10
34~40 N.m
* Pictures here are indicatively only. Product in kind prevail.
Please avoid squeezing the cable insulation layer into the AC
terminal. Improper connection may affect the normal operation of the
PCS.
During AC cable connection, the cables inside the lower part of the
device should be bent to be surplus in length. In this way, cable
dropping or loosening, which can cause arc or other problems
impairing functionality of the device, due to self-weight of the cables
in case of land subsidence is avoided.
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