Table Of Contents - Apator ELF Technical Description

Contents
1. Subject .....................................................................................................................................................4
2. Regulatory and standard compliance.....................................................................................................4
3. Design, functional description & basic characteristics ..........................................................................4
4. Basic specifications .................................................................................................................................5
5. Data types ................................................................................................................................................8
5.1. Actual data ............................................................................................................................................8
5.1.1. Heat consumption .............................................................................................................................8
5.1.2. Water volume ....................................................................................................................................8
5.1.3. Supply and return temperatures; differential temperature .............................................................9
5.1.4. Power and flow ..................................................................................................................................9
5.1.5. Pulse inputs .......................................................................................................................................9
5.1.6. Error codes ........................................................................................................................................9
5.1.7. Real and working time ....................................................................................................................10
5.2. Calibration, configuration and service data ......................................................................................11
5.2.1. Metrology-specific calibration and configuration data ..................................................................11
5.2.2. User configuration data ...................................................................................................................11
5.3. Archive data ........................................................................................................................................12
5.3.1. Record for cycle 1 (hourly) and cycle 2 (daily) ...............................................................................12
5.3.2. Monthly and annual cycle record ...................................................................................................13
5.3.3. Emergency (failure) state archive record .......................................................................................13
6. Heat meter operating guide. LCD .........................................................................................................14
6.1. Metrological test .................................................................................................................................16
7. Remote reading of data .........................................................................................................................16
7.1. Wired M-Bus interfaces and pulse I/O interfaces ..............................................................................17
7.1.1. Interface connection diagram .........................................................................................................18
7.1.2. Interface technical parameters .......................................................................................................19
7.1.3. Operating principle of the M-Bus communication interface .........................................................20
7.1.4. Pulse output configuration ..............................................................................................................20
7.2. Wireless interface ...............................................................................................................................21
7.3. USB interface ......................................................................................................................................22
8. Shipping and mounting ........................................................................................................................22
8.1. Sealing ................................................................................................................................................23
8.2. Electrical interference .........................................................................................................................23
9. Warranty and service ............................................................................................................................24
9.1. Recommendations for end of life ......................................................................................................25
10. Marking and ordering guideline .........................................................................................................26
10.1. Ordering the complete heat meter assembly .................................................................................26
10.2. Ordering the communication modules ..........................................................................................27
11. Annexes ...............................................................................................................................................28
- 3 -