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Chapter 7 After-sales Service 

Product Warranty 

1. 

The product warranty period is one year.   

2. 

The company is responsible for free maintenance or exchange within one-year warranty period. 

3. 

The cost of the components and freight shall be charged for improper meter installation and/or 

operation. 
4. 

Over the warranty period, part of the maintenance cost according to actual situation will be 

charged. 
 

Service Guarantee 

1. Product technical consulting and quality complaints will be replied within 12 hours. 
2. Solutions for quality complaints will be provided within 24 hours. 
3. Except statutory holidays and force majeure. 

 

Chapter 8 

Contact Us

 

Headquarter  Add.:  7F  No.1  Aosheng  Building,  1166  Xinluo  Street,  High-tech  Development  Zone, 

Jinan, P.R. China 250101 

Factory Add.: 2F Innovation Factory, Feiyue Road, High-tech Development Zone, Jinan, P.R. China 

250101 

Tel: +86 0531 68621770 863 

E-mail: [email protected] 

Website: www.heyuanintel.com 

Summary of Contents for DZ81-MS3UI7C

Page 1: ...DZ81 MS3UI7C Three Phase Power Meter User Manual Heyuan Intelligence Technology Co Ltd...

Page 2: ...ered to have read this manual and accept all our terms Heyuan shall not be responsible or liable for any damages or injuries caused by improper meter installation and or operation Attention the follow...

Page 3: ...mension Installation 2 3 1 External Dimension 2 3 2 Cut out Size 2 3 3 Installation Method 2 Chapter 4 Terminals 3 Chapter 5 Typical Wiring 3 5 1 Wiring Instruction Voltage and Current Wiring Instruct...

Page 4: ...ing Accuracy Voltage Current Accuracy Class 0 2 Energy Accuracy Class Class 0 2S Power Factor 0 1 Frequency 0 01Hz 2 5 Communication RS485 Modbus RTU Communication Protocol Baud Rate 1200 9600bps prog...

Page 5: ...g please make sure that the primary circuit is powered off Chapter 3 Dimension Installation 3 1 External Dimension unit mm 3 2 Cut out Size unit mm Front View Side View Cut out Size Model No Dimension...

Page 6: ...rrent Input Lower Row of Terminals Chapter 5 Typical Wiring 5 1 Voltage and Current Wiring Instruction A Three phase Four wire Wiring Mode 3LN 3CT The star like 3 Phase 4 Line wiring mode is commonly...

Page 7: ...and high voltage systems According to different wiring modes corresponding wiring mode should be set on the Voltage Wiring Mode Setting Interface Chapter 6 Meter Display and Operation There are four...

Page 8: ...a display interface press and simultaneously it will enter the system parameter setting interface At the setting mode The button is used for digital shift Press button each time to shift one digit whi...

Page 9: ...uiry Meter Address Baud Rate Voltage Wiring Mode Current Wiring Mode PT Ratio CT Ratio 6 4 Parameters Setting Steps 6 4 1 PS Interface i e Password Inquiry Interface Press buttons and simultaneously i...

Page 10: ...io Setting Interface This interface displays the present PT ratio whose value ranges from 1 to 2000 After setting press button to confirm and enter CT ratio setting interface For example if the PT rat...

Page 11: ...econdary energy value through CTs 1 referring to open state of the energy ratio switch which means the energy value on the energy interface is the real primary energy value After setting press button...

Page 12: ...actual situation will be charged Service Guarantee 1 Product technical consulting and quality complaints will be replied within 12 hours 2 Solutions for quality complaints will be provided within 24...

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