Elster A1120 User Manual

Operating & Maintenance Instructions 3
26 INSTALLATION............................................................................................................................37
26.1 UNPACKING ................................................................................................................................... 37
26.2 HANDLING ................................................................................................................................... 37
26.3 STORAGE ................................................................................................................................... 37
26.4 INSTALLATION SITE ........................................................................................................................... 37
26.5 ELECTROMAGNETIC COMPATIBILITY (EMC) ........................................................................................ 37
26.6 FIXING AND CONNECTION .................................................................................................................. 38
27 COMMISSIONING.........................................................................................................................39
28 MAINTENANCE............................................................................................................................40
29 DISPOSAL AND RECYCLING .....................................................................................................40
FIGURE 1 - MODEL CODE................................................................................................................................ 41
FIGURE 1 - MODEL CODE (CONTINUED) ........................................................................................................... 42
FIGURE 2 - A1120/40 METER ......................................................................................................................... 43
FIGURE 3 - TYPICAL NAMEPLATE ..................................................................................................................... 44
FIGURE 4 - LOAD CURVES............................................................................................................................... 45
FIGURE 5 - TERMINAL ARRANGEMENTS ............................................................................................................ 46
FIGURE 5A - TERMINAL CONFIGURATIONS........................................................................................................... 47
FIGURE 6 - DIMENSIONS, FIXING CENTRES ....................................................................................................... 48
FIGURE 7 - A1120/40 DISPLAYS ..................................................................................................................... 49
FIGURE 7 - A1120/40 DISPLAYS (CONTINUED).................................................................................................. 50
FIGURE 8 - DISPLAY TABLE ............................................................................................................................. 51
FIGURE 8 - DISPLAY TABLE (CONTINUED).......................................................................................................... 52
FIGURE 8 - DISPLAY TABLE (CONTINUED).......................................................................................................... 53
FIGURE 8 - DISPLAY TABLE (INSTRUMENTATION) ............................................................................................... 54
FIGURE 9 - PASSWORD ACCESS LEVELS .......................................................................................................... 55
APPENDIX A - CHECKING KWH AND KVARH REGISTRATION ACCURACY........................................... 56
A1 INTRODUCTION ................................................................................................................................. 56
A2 CHECKING METER ACCURACY USING THE LED TEST INDICATOR .......................................................... 56
A2.1 COMPARING THE NUMBER OF LED PULSES WITH SUBSTANDARD METER REGISTER ADVANCE .................... 56
A2.2 Comparing LED pulses with substandard meter pulses ................................................................ 57
A3 CHECKING METER REGISTRATION ACCURACY FROM REGISTER ADVANCES ............................................ 57
A3.1 Using the 'Dial Test' values on the meter display .......................................................................... 57
APPENDIX B - RS232 MULTI-DROP MODE............................................................................................... 58
B1 RS232 MULTI-DROP INSTALLATION PROCEDURE................................................................................. 58

Elster A1120 Specifications

General

Brand	Elster
Model	A1120
Category	Measuring Instruments
Language	English