Goodwe SCU3000 User manual

V1.1-2023-07-28
Smart Communication Unit
(SCU3000 | SCU3000A)
Quick Installation Guide

01
01
High voltage hazard. Power
o the equipment before any
operations.
Potential risks exist. Wear
proper PPE before any
operations.
Read through the user manual
before any operations.
Grounding point. Indicates the
position for connecting the PE
cable.
CE marking Do not dispose of the product
as household waste. Discard
the product in compliance with
local laws and regulations,
or send it back to the
manufacturer.
• Do not touch the equipment in case of short-circuit. Power o the equipment immediately.
• Before wiring, disconnect all upstream switches to ensure the equipment is not powered on.
• Before operation, make sure the equipment is reliably grounded.
• Use appropriate tools for proper installation, maintenance, etc.
• Observe local standards and safety regulations when operating the equipment.
• Unauthorized dismantling or modication may damage the equipment, the damage is not
covered under the warranty.
• All labels and warning marks must be clear and distinct after the installation. Do not block,
alter, or damage any label.
• Warning labels on the equipment are as follows:
• The information in this quick installation guide is subject to change due to product updates
or other reasons. This guide cannot replace the product labels or the safety precautions in
the user manual unless otherwise specied. All descriptions here are for guidance only.
• Before installations, read through the quick installation guide. For additional information,
please see the user manual.
• All operations should be performed by trained and knowledgeable technicians who are
familiar with local standards and safety regulations.
• Check the deliverables for correct model, complete contents, and intact appearance. Contact
the manufacturer if any damage is found or any component is missing.
• Use insulating tools and wear personal protective equipment when operating the equipment
to ensure personal safety. Wear anti-static gloves, clothes, and wrist strip when touching
electronic components to protect the equipment from damage. The manufacturer shall not
be liable for any damage caused by static electricity.
• Strictly follow the installation, operation, and conguration instructions in this guide and user
manual. The manufacturer shall not be liable for equipment damage or personal injury if you
do not follow the instructions. For more warranty details, please visit https://en.goodwe.com/
warranty .
General Disclaimer
Safety Precautions
Safety Disclaimer
WARNING

02
Check before Power-On
No. Check Item
1The product is rmly installed at a clean place that is well-ventilated and easy-to-oper-
ate.
2The PE, AC input, and communication cables are connected correctly and securely.
3Cable ties are intact, routed properly and evenly.
4Unused ports and terminals are sealed.
5The internal of the equipment is clean and tidy, with no dust, dirt and construction
leftovers.
6The paint outside of the equipment is intact. If there is damage, please ll the paint
immediately to prevent corrosion.
7The switch of the equipment and its upstream switches are all disconnected.
8The equipment’s input voltage and frequency are within its operating voltage and
frequency range.
No. Cable Silkscreen Cable Specication
1Three-phase AC
cable L1, L2, L3
• Outdoor single core copper cable, withstand
voltage > 1000V
• Conductor cross-sectional area: 2.5mm2-4mm2
(12AWG-10AWG)
2Single-phase AC
cable L, N
• Outdoor copper cable, withstand voltage > 300V
• Conductor cross-sectional area: 2.5mm2-4mm2
(12AWG-10AWG)
3
RS485
communication
cable
A1-A8, B1-B8
• Outdoor shielded twisted pair
• Conductor cross-sectional area: 0.2mm2-1mm2
(24AWG-18AWG)
4Optical ber -
• 4-8 core optical ber with 1310nm in transmission
wavelength
• Outer diameter < 18mm (0.71in.)
5Ethernet cable ETH
• Outdoor CAT 5E shielded Ethernet cable
• Outer diameter < 9mm (0.35in.)
• Shielded RJ45 connector
6Grounding bar
cable
• Outdoor copper cable
• Conductor cross-sectional area: 6mm2-10mm2
(8AWG-6AWG)
7
PE cable
outside of the
equipment
• Outdoor copper cable
• Conductor cross-sectional area: 2.5mm2-4mm2
(12AWG-10AWG)
Cable Requirements

03
EU Declaration of Conformity
GoodWe Technologies Co., Ltd. hereby declares that the equipment without wireless
communication modules sold in the European market meets the requirements of the following
directives:
• Electromagnetic compatibility Directive 2014/30/EU (EMC)
• Electrical Apparatus Low Voltage Directive 2014/35/EU (LVD)
• Restrictions of Hazardous Substances Directive 2011/65/EU and (EU) 2015/863 (RoHS)
• Waste Electrical and Electronic Equipment 2012/19/EU
• Registration, Evaluation, Authorization and Restriction of Chemicals (EC) No 1907/2006
(REACH)
You can download the EU Declaration of Conformity on https://en.goodwe.com.

04
Parts
Product Introduction02
Cabinet door Lock
Mounting plate
Grounding point
Fixing hole Fixing holeCable routing hole
Ventilation valve

05
1. (Optional) PLC CCO
module 2. Switch 3. EzLogger
4. Power adapter 5. Fiber optic splice
closure (FOSC) 6. Reserved installation place
7. RS485 communication
terminal 8.
Grounding point for
RS485 communica-
tion
9. Single-phase input switch
10. Three-phase input
switch 11. (Optional) Three- phase input switch 12. Surge protection module
13. Surge protection
module 14 (Optional) Surge protection module 15 Grounding bar for protection

06
226mm
(8.90in.)
201mm
(7.91in.)
723mm
(28.46in.)
600mm
(23.62in.)
700mm
(27.56in.)
780mm
(30.71in.)
180mm
(7.09in.)
660mm
(25.98in.)
488mm
(19.21in.)
144mm
(5.67in.)
Dimensions

07
Children No Touch
Space Requirements
Installation03
x 1
x 4x 3
x 2 x 4
x 2
x N
x 16 x 1
x 1
x 8 x 6 x 4 x 1
200mm
(7.87in.)
500mm
(19.69in.)
N=Quantity depends on Smart Communication Unit model.
200mm
(7.87in.)
200mm
(7.87in.)
200mm
(7.87in.)
200mm
(7.87in.)
x 1

08
1
3
2
Mounting on the Wall
D: 70mm
(2.76in.)
φ: 5mm
(0.59in.)
30mm
(1.18in.)

09
1 2
3
M12
42N·m
M12
42N·m
Mounting around the Pole
180mm
(7.09in.)
660mm
(25.98in.)
Mounting on the Bases Vertically
φ: 15mm (0.59in.)
D: 70mm (2.76in.)

10
Opening the Cabinet Door

11
Electrical Connection04
Waterproof Connectors
1
23
1
2
3
4
No. Silkscreen Cable through waterproof connectors Max dimension of cable
1PE PE cable 18mm (0.71in.)
2AC INPUT Single-phase AC cable
23mm (0.91in.)
3 DO DO signal cable
4DI DI signal cable
5AI AI signal cable and PT signal cable
6PLC1/PLC2 Three-phase AC cable 25.4mm (1in.)
7RS485/ETH RS485 communication cable / Ethernet
cable 23mm (0.91in.)
8SFP1 SFP2 Optical Fiber

12
PE Cable Outside
1
2
3
M5
3N·m
L=L1+(1-2)mm L1
(Optional) PE Cable Inside
M6
5N·m
1
2
3
L=L1+(1-2)mm L1

13
M6
3-3.5N·m
12
34
2
Three-Phase AC Input Cable
L1
L2
L3
190mm~210mm
(7.48in.~8.27in.)
L
L
SCU MV Station Inverter
SCU MV Station Inverter
Multi-core cable
Single-core cable
3m
(9.84ft)
3m
(9.84ft)
≤600m
(1968.50ft)
≤500m
(1640.4ft)
≤1m
(3.28ft)

14
RS485 Cable
Port Silkscreen Port Denition Port Silkcreen Port Denition
RS485-1 A1 RS485-1A RS485-5 A5 RS485-5A
B1 RS485-1B B5 RS485-5B
RS485-2 A2 RS485-2A RS485-6 A6 RS485-6A
B2 RS485-2B B6 RS485-6B
RS485-3 A3 RS485-3A RS485-7 A7 RS485-7A
B3 RS485-3B B7 RS485-7B
RS485-4 A4 RS485-4A RS485-8 A8 RS485-8A
B4 RS485-4B B8 RS485-8B
1
2
3
1 2
1
2
2
M4
1.6N·m
3
25mm
6.5mm
A
B
PE A
B
PE
122
3
M4
0.8-0.85N·m
Single-Phase Power Cable
L
N
L1 L1
170mm~190mm
(6.69in.~7.48in.)

15
2
1
3
Optical Fiber
The connection and fusion of the optical ber shall be carried out by professionals.
DO/DI/AI/PT100/PT1000 Cable
TX_1TX_2 RX_1RX_2
Fiber Optic Splice Closure -12 ports
Fiber Optic Splice Closure -24 ports
The equipment reserves "DO", "DI", "AI", "ETH" and "PT100/ PT1000" waterproof connectors to
route the corresponding signal cables. For signal cable specication, wiring and memory card
installation, please refer to Ezlogger 3000U User Manual.
TX_1TX_2 RX_1RX_2

16
Power ON Power OFF
Power On and O05
12
Turn on Turn o
3 4
43
4
2 12
123 4
• Only use Switch 2 and 4 when the equipment is in PLC communication.
• Only use the switches within the red dotted line when the equipment is in PLC communica-
tion and connected to a double split transformer.

17
Closing the Cabinet Door
Commissioning via WEB
06
Please refer to EzLogger3000U User Manual for congurations. For more detailed instructions,
scan the QR codes below.
EzLogger3000U
User Manual
SCU3000 & SCU3000A
User Manual

Ocial Website
GoodWe Technologies Co., Ltd.
No. 90 Zijin Rd., New District, Suzhou, 215011, China
www.goodwe.com
[email protected] Local Contacts340-00949-01