PV Current HS-PV5-MU Series Combiner Box Monitor User Manual

PV Current HS-PV5-MU Series Combiner Box Monitor

Important Information

All the pictures and product specifications are only for reference, because of the update of products and technology. There are differences between products and manual. Please contact us if you want to get more information about the product.

ATTENTION

WARNING!

This symbol shows an attention or a warning to remind the dangerous and safety. The hardware will be damaged if the user operate in a worry way.

NOTE!

This symbol shows an attention to make the product word well.

SAFETY INSTRUCTIONS

Please read this manual carefully before installation. If the product is damage with a wrong installation, we would not provide quality assurance.

WARNING:

Pease do all the operation and wiring professional with electrical technician or electrical engineer.

WARNING:

Please don’t touch other parts of the box when you install except the terminal.

WARNING:

All operation and wiring must conform to the requirements of the relevant standards!

WARNING:

Please cover the PV panel with the opaque material when you install.

Product introduction

HS-PV5-MU4/8/12/16/20/24, PV current combiner box monitor, is a product, which integrate the power supply, voltage acquisition, the current acquisition of PV string and acquisition of lightning arrester into one product. And it has the characteristic of small volume, no fan, wide temperature operation and high anti-interference. It adopt RS485 interface and support MODBUS protocol.

Model description

Introduction

• Acquire the current of PV string, include 4/8/12/16/20/24 string;
• Acquire the voltage of PV string, MAX DC 1500V;
• Acquire the temperate of PV current combiner box;
• Acquire the state of the lightning arrester
• Acquire the state of the circuit breaker
• Communication: RS485
• Communication protocol: MODBUS
• Communication baud rate: 2400,4800 9600
• Communication address:1~100

Features

• A wide input voltage rage, DC300~DC1500V
• A flame-retardant shell
• Acquire the isolated analog quantity
• Acquire the isolated digital quantity
• A wide temperature operation: -30~75℃
• Easy matches
• Matches a RF module to reduce wiring
• Flexible installation mode
• Easy disassembly

Technical parameters

Technical parameter table

Input

DC power input| DC300V~DC1500V
PV string current input| 4/8/12/16/20/24 branches, 0~25A, 0.5%
Interface
Communicate interface| RS485
Digital quantity input| 3 ways, 2500V isolation
LED display| 8 bits
Operating Environment
Power| ≤3W
Operating temperature| -30℃~+75℃
Storage temperature| -40℃~+85℃
Relative humidity| 5℃~95℃ (No condensation)
Shape size
Length width height| Host unit:107mm87mm58mm
Acquisition unit: 72mm42mm39mm
Installation mode| Host unit: DIN rail
Acquisition unit: DIN rail OR hang

Configuration software

The configuration software includes the following functions:

• Modify the communication parameters of the product;
• Record and analysis of real-time data;
• Tele signalling alarm;
• Set the alarm value

Parameter configuration interface:

Shape Size

1. Host and acquisition unit (unit: mm)

2. Mounting plate:

Interface Function

1. Host unit
   Number| Interface definition| Function
   ---|---|---
   1| 5V| 5V +
   2| G| 5V –
   3| G0| Switch acquisition G
   4| D1| Switch acquisition 1
   5| D2| Switch acquisition 2
   6| D3| Switch acquisition   3
   7| K| NC
   8| C| NC
   9| B| RS485 B
   10| A| RS485 A
   11| G0| RS485G
   12| P| PE
   PV+| V+| DC1500V +
   PV-| V-| DC1500V –

2. Acquisition unit:

NOTE: The connector can only be connected from the first acquisition unit.

Operating description

The man-machine interface includes: LED display, 3 button, PV string current input, and 3 indicator lights.

1. LED display and button：
   The LED display include: The value of the current ,voltage, power, baud rate, address, temperature, etc.
   The buttons include: up ,down and function key (F.K.).

2. Indicator lights description :
   RUN : when this light gleamed, the monitor is normal running.
   RX : when this light is up, the monitor is receiving data.
   TX : when this light is up, the monitor is transmitting data.

3. **Button operating description:

NOTE: Press up, can exit the setup when display a save.
**

The sequence of the button operation

1. Wake up the LED display

2. Enter a password: PASS **00

3. Confirm the password: PASS **01

4. Choose a address: Addr *100(1-100)

5. Save the address: Addr SAVE

6. Choose a baud rate: b3** 9600

7. Save the baud rate: b*** SAVE

8. Choose a channel number: Td 16

9. Save the channel number: Td** SAVE

10. Choose special function: d*** 0000(reserve, cannot be modified)

11. Save the special function: d*** SAVE

12. Display the value of channel current(If the password is error, display the value of bus. If the password is right, display the value of channel.)
    Press up and down: Value of current: 01- 00.00 –A
    Value of power: P00 0000 –W
    Value of state: S0 0000
    NOTE:** The value of state correspond to the state of upper limit alarm, lower limit alarm, zero value alarm, reverse value alarm, unbalance alarm。

13. Display the voltage: U**0 000.0

14. Display the state of the voltage: S**0 0000

15. Display the total power:UA00 0000 –W

16. Display the electrical energy: E*00 0000 –KWh

17. Display the state of digital quantity : S123 *000

18. Display the acquisition mode: Ad** ***1(reserve, cannot be modified)

19. Save the acquisition mode: SAVE ***1

20. Display the temperature: Co* +/- 000.0 –℃

21. Save the temperature: SAVE 000.0

22. Exit the fixed display, begin the auto display.

Communication protocol

The communication protocol is MODBUS RTU. This protocol has a high data density, and a big throughput rate. The baud rate can choose to be 2400, 4800, 9600.

1. Communication set description
   Format| Content
   ---|---
   Mode| MODBUS RTU
   Baud rate| 9600（default）
   Data bits| 8 bits
   Parity check bit| No
   Stop bit| 1 bit
   Frame check| CRC16

2. MODBUS function code description
   0x03 Read data command. Include channel current, voltage, and telecommunication.
   0x01 Read telecommunication command. Read telecommunication only.

3. MODBUS message format description 0x03 function code description
   Request code format: Definition| Address| Function code| Start address| Words| CRC check
   ---|---|---|---|---|---
   Data| ADDR| 03H| sREG| nREG| CRC16
   byte| 1| 1| 2| 2| 2

Response request code format:

0x01 function code description
Request command code format:

Response request code format:

4. Address map and data:
   Word address| context| Word length| ratio
   ---|---|---|---
   0x1000| PV string channel current 1| 1| 0.01A
   0x1001| PV string channel current 2| 1| 0.01 A
   0x1002| PV string channel current 3| 1| 0.01 A
   0x1003| PV string channel current 4| 1| 0.01 A
   0x1004| PV string channel current 5| 1| 0.01 A
   0x1005| PV string channel current 6| 1| 0.01 A
   0x1006| PV string channel current 7| 1| 0.01 A
   0x1007| PV string channel current 8| 1| 0.01 A
   0x1008| PV string channel current 9| 1| 0.01 A
   0x1009| PV string channel current 10| 1| 0.01 A
   0x100A| PV string channel current 11| 1| 0.01 A
   0x100B| PV string channel current 12| 1| 0.01 A
   0x100C| PV string channel current 13| 1| 0.01 A
   0x100D| PV string channel current 14| 1| 0.01 A
   0x100E| PV string channel current 15| 1| 0.01 A
   0x100F| PV string channel current 16| 1| 0.01 A
   0x1010| PV string channel current 17| 1| 0.01 A
   0x1011| PV string channel current 18| 1| 0.01 A
   0x1012| PV string channel current 19| 1| 0.01 A
   0x1013| PV string channel current 20| 1| 0.01 A
   0x1014| PV string channel current 21| 1| 0.01 A
   0x1015| PV string channel current 22| 1| 0.01 A
   0x1016| PV string channel current 23| 1| 0.01 A
   0x1017| PV string channel current 24| 1| 0.01 A
   0x1018| Voltage| 1| 0.1V
   0x1019| Total current| 1| 1A
   0x101A| Temperature| 1| 0.1℃
   0x101B| Total power (high first）| 2| 1W
   0x101D| Channel power 1| 2| 1W
   0x101F| Channel power 2| 2| 1W
   0x1021| Channel power 3| 2| 1W
   0x1023| Channel power 4| 2| 1W
   0x1025| Channel power 5| 2| 1W
   0x1027| Channel power 6| 2| 1W
   0x1029| Channel power 7| 2| 1W
   0x102B| Channel power 8| 2| 1W
   0x102D| Channel power 9| 2| 1W
   0x102F| Channel power 10| 2| 1W
   0x1031| Channel power 11| 2| 1W
   0x1033| Channel power 12| 2| 1W
   0x1035| Channel power 13| 2| 1W
   0x1037| Channel power 14| 2| 1W
   0x1039| Channel power 15| 2| 1W
   0x103B| Channel power 16| 2| 1W
   0x103D| Channel power 17| 2| 1W
   0x103F| Channel power 18| 2| 1W
   0x1041| Channel power 19| 2| 1W
   0x1043| Channel power 20| 2| 1W
   0x1045| Channel power 21| 2| 1W
   0x1047| Channel power 22| 2| 1W
   0x1049| Channel power 23| 2| 1W
   0x104B| Channel power 24| 2| 1W
   0x104D|  Tele signal 1| 1| 1
   0x104E| Tele signal 2| 1| 1
   0x104F| Tele signal 3| 1| 1
   0x1050| Tele signal 4| 1| 1
   0x1051| Tele signal 5| 1| 1
   0x1052| Tele signal 6| 1| 1
   0x1053| Tele signal 7| 1| 1
   0x1054| Tele signal 8| 1| 1
   0x1055| Tele signal 9| 1| 1
   0x1056| Tele signal 10| 1| 1
   0x1057| Reserve| |
   0x1058| Reserve| |

NOTE!
About the current of channel, voltage, temperature:
The data format is 16 bits unsigned integer. (High bit first.)
NOTE!
About the temperature：
0x101A the data format is 16bits complemented integer. (High bit first).Unit is ℃。For example, 0xff38 stand for -20℃.
NOTE!
About the Switch state：
When the switch off, the switch state is 0, when the switch on, the switch state is 1.

5. Telesignal address map:
   Register address| Register content
   ---|---
   0x0100|  PV string channel 1 current Zero value state
   0x0101| PV string channel 1 current low value state
   0x0102| PV string channel 1 current high value state
   0x0103| PV string channel 2 current Zero value state
   0x0104| PV string channel 2 current low value state
   0x0105| PV string channel 2 current high value state
   0x0106| PV string channel 3 current Zero value state
   0x0107| PV string channel 3 current low value state
   0x0108| PV string channel 3 current high value state
   0x0109| PV string channel 4 current Zero value state
   0x010A| PV string channel 4 current low value state
   0x010B| PV string channel 4 current high value state
   0x010C| PV string channel 5 current Zero value state
   0x010D| PV string channel 5 current low value state
   0x010E| PV string channel 5 current high value state
   0x010F| Reserve
   0x0110| PV string channel 6 current Zero value state
   0x0111| PV string channel 6 current low value state
   0x0112| PV string channel 6 current high value state
   0x0113| PV string channel 7 current Zero value state
   0x0114| PV string channel 7 current low value state
   0x0115| PV string channel 7 current high value state
   0x0116| PV string channel 8 current Zero value state
   0x0117| PV string channel 8 current low value state
   0x0118| PV string channel 8 current high value state
   0x0119| PV string channel 9 current Zero value state
   0x011A| PV string channel 9 current low value state
   0x011B| PV string channel 9 current high value state
   0x011C| PV string channel 10 current Zero value state
   0x011D| PV string channel 10 current low value state
   0x011E| PV string channel 10 current high value state
   0x011F| Reserve
   0x0120| PV string channel 11 current Zero value state
   0x0121| PV string channel 11 current low value state
   0x0122| PV string channel 11 current high value state
   0x0123| PV string channel 12 current Zero value state
   0x0124| PV string channel 12 current low value state
   0x0125| PV string channel 12 current high value state
   0x0126| PV string channel 13 current Zero value state
   0x0127| PV string channel 13 current low value state
   0x0128| PV string channel 13 current high value state
   0x0129| PV string channel 14 current Zero value state
   0x012A| PV string channel 14 current low value state
   0x012B| PV string G channel 14 current high value state
   0x012C| PV string channel 15 current Zero value state
   0x012D| PV string channel 15 current low value state
   0x012E| PV string channel 15 current high value state
   0x012F| Reserve
   0x0130| PV string channel 16 current Zero value state
   0x0131| PV string channel 16 current low value state
   0x0132| PV string channel 16 current high value state
   0x0133| PV string channel 17 current Zero value state
   0x0134| PV string channel 17 current low value state
   0x0135| PV string channel 17 current high value state
   0x0136| PV string channel 18 current Zero value state
   0x0137| PV string channel 18 current low value state
   0x0138| PV string channel 18 current high value state
   0x0139| PV string channel 19 current Zero value state
   0x013A| PV string channel 19 current low value state
   0x013B| PV string channel 19 current high value state
   0x013C| PV string channel 20 current Zero value state
   0x013D| PV string channel 20 current low value state
   0x013E| PV string channel 20 current high value state
   0x013F| Reserve
   0x0140| PV string channel 21 current Zero value state
   0x0141| PV string channel 21 current low value state
   0x0142| PV string channel 21 current high value state
   0x0143| PV string channel 22 current Zero value state
   0x0144| PV string channel 22 current low value state
   0x0145| PV string channel 22 current high value state
   0x0146| PV string channel 23 current Zero value state
   0x0147| PV string channel 23 current low value state
   0x0148| PV string channel 23 current high value state
   0x0149| PV string channel 24 current Zero value state
   0x014A| PV string channel 24 current low value state
   0x014B| PV string channel 24 current high value state
   0x014C| Reserve
   0x014D| Reserve
   0x014E| Reserve
   0x014F| Reserve
   0x0150| Voltage low value/high value state
   0x0151| Reserve
   0x0152| Reserve
   0x0153| Reserve
   0x0154| Reserve
   0x0155| Reserve
   0x0156| Reserve
   0x0157| Reserve
   0x0158| Switch 1 state
   0x0159| Switch 2 state
   0x015A| Switch 3 state
   0x015B| Reserve
   0x015C| Reserve
   0x015D| Reserve
   0x015E| Reserve
   0x015F| Reserve
   0x0160| PV string channel 24 current reverse alarm
   0x0161| PV string channel 23 current reverse alarm
   0x0162| PV string channel 22 current reverse alarm
   0x0163| PV string channel 21 current reverse alarm
   0x0164| PV string channel 20 current reverse alarm
   0x0165| PV string channel 19 current reverse alarm
   0x0166| PV string channel 18 current reverse alarm
   0x0167| PV string channel 17 current reverse alarm
   0x0168| PV string channel 16 current reverse alarm
   0x0169| PV string channel 15 current reverse alarm
   0x016A| PV string channel 14 current reverse alarm
   0x016B| PV string channel 13 current reverse alarm
   0x016C| PV string channel 12 current reverse alarm
   0x016D| PV string channel 11 current reverse alarm
   0x016E| PV string channel 10 current reverse alarm
   0x016F| PV string channel 9 current reverse alarm
   0x0170| PV string channel 8 current reverse alarm
   0x0171| PV string channel 7 current reverse alarm
   0x0172| PV string channel 6 current reverse alarm
   0x0173| PV string channel 5 current reverse alarm
   0x0174| PV string channel 4 current reverse alarm
   0x0175| PV string channel 3 current reverse alarm
   0x0176| PV string channel 2 current reverse alarm
   0x0177| PV string channel 1 current reverse alarm
   0x0178| Reserve
   0x0179| Reserve
   0x017A| Reserve
   0x017B| Reserve
   0x017C| Reserve
   0x017D| Reserve
   0x017E| Reserve
   0x017F| Reserve
   0x0180| PV string channel 24 current unbalance alarm
   0x0181| PV string channel 23 current unbalance alarm
   0x0182| PV string channel 22 current unbalance alarm
   0x0183| PV string channel 21 current unbalance alarm
   0x0184| PV string channel 20 current unbalance alarm
   0x0185| PV string channel 19 current unbalance alarm
   0x0186| PV string channel 18 current unbalance alarm
   0x0187| PV string channel 17 current unbalance alarm
   0x0188| PV string channel 16 current unbalance alarm
   0x0189| PV string channel 15 current unbalance alarm
   0x018A| PV string channel 14 current unbalance alarm
   0x018B| PV string channel 13 current unbalance alarm
   0x018C| PV string channel 12 current unbalance alarm
   0x018D| PV string channel 11 current unbalance alarm
   0x018E| PV string channel 10 current unbalance alarm
   0x018F| PV string channel 9 current unbalance alarm
   0x0190| PV string channel 8 current unbalance alarm
   0x0191| PV string channel 7 current unbalance alarm
   0x0192| PV string channel 6 current unbalance alarm
   0x0193| PV string channel 5 current unbalance alarm
   0x0194| PV string channel 4 current unbalance alarm
   0x0195| PV string channel 3 current unbalance alarm
   0x0196| PV string channel 2 current unbalance alarm
   0x0197| PV string channel 1 current unbalance alarm
   0x0198| Reserve
   0x0199| Reserve
   0x019A| Reserve
   0x019B| Reserve
   0x019C| Reserve
   0x019D| Reserve
   0x019E| Reserve
   0x019F| Reserve

6. 0x104D definition：
   Bit0 PV string channel 1 current Zero value state
   Bit1 PV string channel 1 current low value state
   Bit2 PV string channel 1 current high value state
   Bit3 PV string channel 2 current Zero value state
   Bit4 PV string channel 2 current low value state
   Bit5 PV string channel 2 current high value state
   Bit6 PV string channel 3 current Zero value state
   Bit7 PV string channel 3 current low value state
   Bit8 PV string channel 3 current high value state
   Bit9 PV string channel 4 current Zero value state
   Bit10 PV string channel 4 current low value state
   Bit11 PV string channel 4 current high value state
   Bit12 PV string channel 5 current Zero value state
   Bit13 PV string channel 5 current low value state
   Bit14 PV string channel 5 current high value state
   Bit15 reserve

7. 0x104E definition:
   Bit0 PV string channel 6 current Zero value state
   Bit1 PV string channel 6 current low value state
   Bit2 PV string channel 6 current high value state
   Bit3 PV string channel 7 current Zero value state
   Bit4 PV string channel 7 current low value state
   Bit5 PV string channel 7 current high value state
   Bit6 PV string channel 8 current Zero value state
   Bit7 PV string channel 8 current low value state
   Bit8 PV string channel 8 current high value state
   Bit9 PV string channel 9 current Zero value state
   Bit10 PV string channel 9 current low value state
   Bit11 PV string channel 9 current high value state
   Bit12 PV string channel 10 current Zero value state
   Bit13 PV string channel 10 current low value state
   Bit14 PV string channel 10 current high value state
   Bit15 reserve

8. 0x104F definition：
   Bit0 PV string channel 11 current Zero value state
   Bit1 PV string channel 11 current low value state
   Bit2 PV string channel 11 current high value state
   Bit3 PV string channel 12 current Zero value state
   Bit4 PV string channel 12 current low value state
   Bit5 PV string channel 12 current high value state
   Bit6 PV string channel 13 current Zero value state
   Bit7 PV string channel 13 current low value state
   Bit8 PV string channel 13 current high value state
   Bit9 PV string channel 14 current Zero value state
   Bit10 PV string channel 14 current low value state
   Bit11 PV string channel 14 current high value state
   Bit12 PV string channel 15 current Zero value state
   Bit13 PV string channel 15 current low value state
   Bit14 PV string channel 15 current high value state
   Bit15 reserve

9. 0x1050 definition：
   Bit0 PV string channel 16 current Zero value state
   Bit1 PV string channel 16 current low value state
   Bit2 PV string channel 16 current high value state
   Bit3 PV string channel 17 current Zero value state
   Bit4 PV string channel 17 current low value state
   Bit5 PV string channel 17 current high value state
   Bit6 PV string channel 18 current Zero value state
   Bit7 PV string channel 18 current low value state
   Bit8 PV string channel 18 current high value state
   Bit9 PV string channel 19 current Zero value state
   Bit10 PV string channel 19 current low value state
   Bit11 PV string channel 19 current high value state
   Bit12 PV string channel 20 current Zero value state
   Bit13 PV string channel 20 current low value state
   Bit14 PV string channel 20 current high value state
   Bit15 reserve

10. 0x1051 definition：
    Bit0 PV string channel 21 current Zero value state
    Bit1 PV string channel 21 current low value state
    Bit2 PV string channel 21 current high value state
    Bit3 PV string channel 22 current Zero value state
    Bit4 PV string channel 22 current low value state
    Bit5 PV string channel 22 current high value state
    Bit6 PV string channel 23 current Zero value state
    Bit7 PV string channel 23 current low value state
    Bit8 PV string channel 23 current high value state
    Bit9 PV string channel 24 current Zero value state
    Bit10 PV string channel 24 current low value state
    Bit11 PV string channel 24 current high value state
    Bit12 Reserve
    Bit13 Reserve
    Bit14 Reserve
    Bit15 Reserve

11. 0x1052 definition：
    Bit0 Voltage low value/high value state
    Bit1 Reserve
    Bit2 Reserve
    Bit3 Reserve
    Bit4 Reserve
    Bit5 Reserve
    Bit6 Reserve
    Bit7 Reserve
    Bit8 Switch 1 state
    Bit9 Switch 2 state
    Bit10 Switch 3 state
    Bit11 Reserve
    Bit12 Reserve
    Bit13 Reserve
    Bit14 Reserve
    Bit15 Reserve

12. 0x1053 definition：
    Bit0 PV string channel 24 current reverse alarm
    Bit1 PV string channel 23 current reverse alarm
    Bit2 PV string channel 22 current reverse alarm
    Bit3 PV string channel 21 current reverse alarm
    Bit4 PV string channel 20 current reverse alarm
    Bit5 PV string channel 19 current reverse alarm
    Bit6 PV string channel 18 current reverse alarm
    Bit7 PV string channel 17 current reverse alarm
    Bit8 PV string channel 16 current reverse alarm
    Bit9 PV string channel 15 current reverse alarm
    Bit10 PV string channel 14 current reverse alarm
    Bit11 PV string channel 13 current reverse alarm
    Bit12 PV string channel 12 current reverse alarm
    Bit13 PV string channel 11 current reverse alarm
    Bit14 PV string channel 10 current reverse alarm
    Bit15 PV string channel 9 current reverse alarm

13. 0x1054 definition：
    Bit0 PV string channel 8 current reverse alarm
    Bit1 PV string channel 7 current reverse alarm
    Bit2 PV string channel 6 current reverse alarm
    Bit3 PV string channel 5 current reverse alarm
    Bit4 PV string channel 4 current reverse alarm
    Bit5 PV string channel 3 current reverse alarm
    Bit6 PV string channel 2 current reverse alarm
    Bit7 PV string channel 1 current reverse alarm
    Bit8 Reserve
    Bit9 Reserve
    Bit10 Reserve
    Bit11 Reserve
    Bit12 Reserve
    Bit13 Reserve
    Bit14 Reserve
    Bit15 Reserve

14. 0x1055 definition：
    Bit0 PV string channel 24 current unbalance alarm
    Bit1 PV string channel 23 current unbalance alarm
    Bit2 PV string channel 22 current unbalance alarm
    Bit3 PV string channel 21 current unbalance alarm
    Bit4 PV string channel 20 current unbalance alarm
    Bit5 PV string channel 19 current unbalance alarm
    Bit6 PV string channel 18 current unbalance alarm
    Bit7 PV string channel 17 current unbalance alarm
    Bit8 PV string channel 16 current unbalance alarm
    Bit9 PV string channel 15 current unbalance alarm
    Bit10 PV string channel 14 current unbalance alarm
    Bit11 PV string channel 13 current unbalance alarm
    Bit12 PV string channel 12 current unbalance alarm
    Bit13 PV string channel 11 current unbalance alarm
    Bit14 PV string channel 10 current unbalance alarm
    Bit15 PV string channel 9 current unbalance alarm

15. 0x1056 definition：
    Bit0 PV string channel 8 current unbalance alarm
    Bit1 PV string channel 7 current unbalance alarm
    Bit2 PV string channel 6 current unbalance alarm
    Bit3 PV string channel 5 current unbalance alarm
    Bit4 PV string channel 4 current unbalance alarm
    Bit5 PV string channel 3 current unbalance alarm
    Bit6 PV string channel 2 current unbalance alarm
    Bit7 PV string channel 1 current unbalance alarm
    Bit8 Reserve
    Bit9 Reserve
    Bit10 Reserve
    Bit11 Reserve
    Bit12 Reserve
    Bit13 Reserve
    Bit14 Reserve
    Bit15 Reserve

Packaging and shipping

Packing: The product is packaged by carton. The content includes: a PV current combiner box monitor, a instructions, a certificate.
Transport : No severe vibration and impact in transportation.
Preservation: Place in a well ventilated place, and avoid high temperature. Avoid rain and snow invasion.

Quality Assurance

Warranty period:12 months.

Please take care of the invoice. It will be need in warranty period.

Quality guarantee note:

• We will repair or replace the product for free in the quality guarantee period.
• The substandard products should return to us after replace.
• The customer shall give us reasonable time to repair.

We have right to refuse quality assurance under the following situation:

• Damage in transport
• Incorrect installation
• Incorrect modification
• Incorrect use
• Harsh environment
• Use the product out of the rang or beyond the relevant standard
• Man-made destruction

Safety operation at the scene

Please operate follow this step before your inspection to ensure your safety.

1. turn-off the circuit breaker.
2. turn-off the fuse seat.

WARNING:

All the terminals of the DC circuit breaker are still charged when the circuit breaker is turned off. All the terminals of the fuse seats are still charged when the fuse seats are turned off. Make sure the circuit breaker and fuse seats are all turned off when you work!

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