Elster TRZ2 - Qualified Personnel; Legal and Calibration Declarations; Installation and Connection Guide; Pre-Installation Checklist

Elster-Instromet
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The flow through the meter must be free of vibrations/pulsations in order to avoid measuring errors.
Compliancewiththespeciedoperating and ambient conditions as indicated on the type label
is absolutely essential for safe operationofthemeterandadditionalequipment.
The gas may not contain suspended particles > 50 µm.Inaddition,thegas must be dry.
Otherwise,themetermaybedamaged.
Inthecaseofnewinstallations,werecommendtemporarilyinstallingaconestrainer(meshsize
250 μm) to protect the meter. The strainer should be removed after approximately 4 weeks.
Themetermustbeincludedintheequipotentialbondingsystemofthepipework.
4. Staff
These Instructions are aimed at staffwhohaveadequatespecialistandtechnicalknowledge
(inGermany,forinstance,inaccordancewithDVGWCodesofPractice492and495orcompa-
rable technical regulations) on the basis of their training and experience in the sector of energy
and gas distribution.
Attention: incorrect use can be fatal!
5. Legal Declarations
– DeclarationofConformity–enclosedandavailableonlineatwww.docuthek.com.
– Periodofvalidityofcalibration–thisisbasedontheregulationsofthecountryconcerned,
wheretheturbinegasmeterwillbeused.
6. Installation / Connection
Warning! Never clean the plastic cover of the index with a dry cloth owingto the risk of ex-
plosion resulting from electrostatic discharge! Please only ever use a cloth that has been
adequatelymoistenedwithwater!
Before installationpleaseensure:
– that the protective caps and/or plastic sheeting is or are removed,
– that the meter and accessories have been inspected for transport damage and
– thattheaccessorieshavebeencheckedforcompleteness(e.g.plugconnectors,oilforinitial
lling).
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