Edition du 29/03/12 2/16 U508113-e Révision 4
MEASURING CHAMBERS – ZC 17-24 and ZC 17-48 METERS
SUMMARY
1.
GENERAL .....................................................................................................................................................3
2.
RECEPTION..................................................................................................................................................3
3.
OPERATING PRINCIPLE ..........................................................................................................................3
4.
COMPONENTS.............................................................................................................................................4
5.
DESCRIPTION..............................................................................................................................................6
5.1.
Blade-type positive displacement measuring chamber............................................................................6
5.2.
A manifold................................................................................................................................................7
5.3.
A transmission system..............................................................................................................................8
5.4.
AB 35 Calibrating mechanism.................................................................................................................9
5.5.
Preset with XAD 39 mechanical Preset valve........................................................................................10
5.6.
Preset with XAD 54 pneumatic Preset valve..........................................................................................10
5.7.
Three way valve .....................................................................................................................................10
6.
INSTALLATION.........................................................................................................................................11
7.
OPERATION...............................................................................................................................................11
7.1.
Preset Operation....................................................................................................................................11
7.2.
Checking low flow initiation ..................................................................................................................11
7.3.
3 ways valve operation ..........................................................................................................................12
8.
METROLOGICAL INSPECTION MEASURING CHAMBER ............................................................13
8.1.
General ..................................................................................................................................................13
8.2.
Adjustment Procedure for mechanical meter head................................................................................13
9.
PERIODIC SERVICING............................................................................................................................15
9.1.
General ..................................................................................................................................................15
9.2.
Monthly Periodic Inspections ................................................................................................................15
9.2.1.
Strainer Baskets .............................................................................................................................15
9.2.2.
MA 21 Measuring Chamber ..........................................................................................................15
9.2.3.
Ticket Printer .................................................................................................................................15
9.3.
Yearly Inspection ...................................................................................................................................15
9.3.1.
MA 21 Measuring Chamber ..........................................................................................................15
9.4.
Meter Head ............................................................................................................................................16
9.5.
REMARK VERY IMPORTANT ..............................................................................................................16
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