Operation Manual of DTS27 Three-phase Energy Meter
Content
1. Overview .................................................................................................................................................................. 3
1.1 Introduction .................................................................................................................................................... 3
1.2 Technical specification.................................................................................................................................... 4
1.3 Operating principle ......................................................................................................................................... 4
2. Structure .................................................................................................................................................................... 5
2.1 Structure of energy meter................................................................................................................................ 5
2.2 Connection diagram ........................................................................................................................................ 6
2.3 Meter dimensions............................................................................................................................................ 7
2.4 Ingress protection............................................................................................................................................ 7
2.5 Resistance to fire............................................................................................................................................. 7
3. Metering principle .................................................................................................................................................... 7
4. Functionality ............................................................................................................................................................. 8
4.1 Metering .......................................................................................................................................................... 8
4.2 Multiple tariff rates ......................................................................................................................................... 9
4.3 Electrical parameter (voltage, current and power) measuring ........................................................................ 9
4.4 Load profile .................................................................................................................................................... 9
4.5 Freeze ............................................................................................................................................................ 10
4.6 Monthly billing and freezing ........................................................................................................................ 10
4.7 Event recording ............................................................................................................................................. 10
4.8 Clear to zero .................................................................................................................................................. 14
4.9 Programming, meter reading ........................................................................................................................ 14
4.10 Clock ........................................................................................................................................................... 14
4.12 Sag and Swell ............................................................................................................................................. 14
4.13 Overload ..................................................................................................................................................... 15
4.14 Tamper Detection ........................................................................................................................................ 15
4.15 LED Indicator ............................................................................................................................................. 15
4.16 Communication........................................................................................................................................... 15
4.17 Security ....................................................................................................................................................... 15
4.18 Punishment energy ...................................................................................................................................... 16
5 Display of the energy meter ..................................................................................................................................... 16
5.1 LCD backlight .............................................................................................................................................. 16
5.2 Symbol description ....................................................................................................................................... 16
5.3 Display mode ................................................................................................................................................ 17
6 Instructions for installation and use of the meter ..................................................................................................... 18
6.1 Requirement .................................................................................................................................................. 18
6.2 Necessary Materials and Tools ..................................................................................................................... 18
6.3 Installation dimension diagram ..................................................................................................................... 19
6.4 Precautions for installation ........................................................................................................................... 19
7. Transport & storage ................................................................................................................................................ 19
8. Warranty ................................................................................................................................................................. 20
9. Troubleshooting ...................................................................................................................................................... 20
10. Service .................................................................................................................................................................. 20
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