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EMH metering

GmbH & Co. KG

Neu-Galliner Weg 1 • 19258 Gallin

GERMANY
Tel.

+49 38851 326-0

Fax

+49 38851 326-1129

Email [email protected]

Web www.emh-metering.com
Tel.

+49 38851 326-1930 (Technical Support)

Email [email protected]

Instructions for use

NXT4

Polyphase meter for commercial, industrial and

extended domestic applications

Version: November 2020; Subject to technical changes

Scope of delivery ............................................................................................... 2

Important information......................................................................................... 2

Target group .................................................................................................. 2

Intended use.................................................................................................. 2

Maintenance and warranty instructions ......................................................... 3

Care and disposal information....................................................................... 3

Basic safety instructions ................................................................................ 4

General description ........................................................................................... 4

Technical data.................................................................................................... 5

Housing, display and control elements .............................................................. 6

Name plate .................................................................................................... 7

LC display ...................................................................................................... 8

Installation and start-up ................................................................................... 10

Mounting the meter ..................................................................................... 10

Connecting the meter .................................................................................. 12

Terminal blocks ............................................................................................ 14

Readout battery (accessory) ....................................................................... 19

Terminal cover ............................................................................................. 19

Abbreviations ................................................................................................... 20

EU Declaration of Conformity .......................................................................... 22

NXT4-BIA-E-1.81

Содержание NXT4

Страница 1: ...Version November 2020 Subject to technical changes Scope of delivery 2 Important information 2 Target group 2 Intended use 2 Maintenance and warranty instructions 3 Care and disposal information 3 Bas...

Страница 2: ...in may not be applicable for your particular device More comprehensive information about the device is available in the product manual Please also observe all the documents included with other compone...

Страница 3: ...to be treated at the end of their life cycle Components Waste collection and disposal Printed circuit boards Electronic waste Dispose of such waste in accordance with the local regulations LEDs LC di...

Страница 4: ...mage or other externally visible damage y Only use the device if it is in a technically flawless state and solely in line with its intended use y The connection cables used to connect a meter must be...

Страница 5: ...range 25 C 55 C Limit for operation 40 C 70 C Limit for storage and transport 40 C 70 C Humidity Maximum 95 non condensing as per EN 62052 11 EN 50470 1 and EN 60068 2 30 Protection class II Degree o...

Страница 6: ...Reset button sealable 3 Call up button 4 Optical data interface D0 optical call up button left 5 Test LEDs 6 Space for transformer plate for transformer connected meters only 7 Terminal cover sealable...

Страница 7: ...ment of inputs and outputs interfaces 8 Information about connection to meter connection diagram 9 Temperature class as per EN 60721 3 3 10 Conformity and certification marking 11 Safety and applicati...

Страница 8: ...ry or the internal power reserve of the real time clock Full power the real time clock is buffered in this instance Power reserve run down readout battery is empty or not available In this instance th...

Страница 9: ...the meter The arrows indicate which tariff and maximum meter are active and how the meter is being controlled clock or ripple control receiver T1 T4 Tariff information for energy All activatable tari...

Страница 10: ...p The meter can be wall mounted as per DIN 43857 2 The following figures show the relevant dimensions for mounting the meter depending on the model involved Mounting the meter a Meter with short termi...

Страница 11: ...11 b Meter with long terminal cover Dimensions in mm c Meter with VARIOMOD NXT meter modem Dimensions in mm...

Страница 12: ...s or cause any economic damage y To avoid any immediate hazards or damage take appropriate measures to prevent malfunctions before disconnection of the system y Do not use the internal disconnection r...

Страница 13: ...cordance with the applicable technical regulations ATTENTION Application of excessive torque will damage the connection terminals The appropriate torque is dependent on the type of connection line inv...

Страница 14: ...using a pre fuse with 6 A y The current paths must be fuse protected as per the current specifi cations on the meter s name plate in accordance with the applicable technical regulations DANGER Risk of...

Страница 15: ...dimensions W x H mm 5 3 x 5 5 2 6 x 2 2 Minimum connection cross sections mm 2 5 1 0 Maximum connection cross sections mm 10 0 2 5 Maximum torques Nm 1 5 Screw type Screw with washer assembly with slo...

Страница 16: ...and parameters of the supply side overcurrent protection devices with the maximum rated currents as well as the rated consumption category of the meter system for directly connected meters y The conne...

Страница 17: ...ecting paths must be fuse protected as per the applicable technical regulations and in accordance with the current specifica tion on the meter s name plate y The installer bears responsibility for coo...

Страница 18: ...x 2 2 Minimum connection cross sections mm 2 5 1 0 Maximum connection cross sections mm 35 0 2 5 Maximum torques Nm 3 5 Screw type Screw with washer assembly with slot and Pozidriv PZ2 drive Spring l...

Страница 19: ...r self ignite y Never short circuit damage heat or force open batteries In delivery condition the battery function is inactive 1 Remove the battery from the holder in the terminal cover 2 Turn the bat...

Страница 20: ...tection LC Liquid Crystal LED Light Emitting Diode OBIS Object Identification System P Active power P Positive active power power drawn by customer P Negative active power power supplied by customer Q...

Страница 21: ...21...

Страница 22: ...22 EU Declaration of Conformity The current EU Declaration of Conformity is available on the Internet site www emh metering com in the Products area for the meter s product description...

Страница 23: ...23...

Страница 24: ...24...

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