Installation Position; Start Up- Instructions - ITRON RR 16 Betriebsanleitung

Installation
• C heckthatthemaximuminletpressureisnot
higherthanthedesignpressureoftheregula-
tor .
• R egulatorshouldbeliftedonlywithbeltsaround
thebody .
• A rrange enough room for the serving of the 
regulator .
Before installing the pressure regulator in the
piping,thefollowingmustbechecked:
• T he upstream and downstream flanges must
beparallelsoastoinstalltheregulatorwithout
unduestress .
• T heupstreampipingmustbecleanedfromall
impurities(sand,weldingslag,etc . )
• T hepressureregulatormustnotbevisiblydam-
aged .
• T heinletandoutletchambersofthepressure
regulatormustbeperfectlyclean .
• M akesurethatthedirectionofgasflowcorre-
spondstothearrowonthepressureregulator
body .

Installation position

• F oreaseofoperation,werecommendperform-
inginstallationwiththevalvebodyinhorizontal
alignment,withactuatorupwards . 
Sensing line
• T hesensinglinemustbeconnectedtoasection
reasonablyfreefromturbulences,preferablyin
astraightsectionofthedownstreampiping(ap-
prox .  5D) .
• C onnection:G / "/EO12(Regulator)
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• C onnection:G / "/EO6(SSV)
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• R ecommendedpipe:
Ermeto-pipeEO-12/-6,Steel,zincprotected

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Breathing line
• B reathingconnectionG
• T o realize fast load changes of the regulator,
the following cross sections of breathing line
aretoobserve:
• U pto3mbreathingline,min .  size
DN20
• L ongerthan3mbreathingline,
SizeDN25orlarger .

Start up- Instructions

• T ostart-uptheregulatorafterinstallationprop-
erly,proceedasfollows:
• ( 1)Checkthattheupstream-anddownstream
valvesareclosed;
• ( 2) If the regulator is fitted with the shut-off
valve,theshut-offvalvemustbeclosed;
• ( 3)Opentheupstreamvalve;
•  ( 4) Reset the shut-off valve slowly and check
thatthedownstreampressureisrisingslowlyon
the downstream side manometer .  The down-
stream pressure should stop at the closing
pressure(seealsopage29to32);
• ( 5)Openthedownstreamvalvesslowlytocon-
troltheevenflow .
Regulator- and SSV-set point
• T he regulator is delivered according to the
specifications,specifiedinthepurchase order . 
Iftheadjustedoutlet-/SSVshutoff-pressure
istobechanged,proceedasfollows:
• I ncreasingtheoutlet-/shutoffpressure:
Theadjustingscrewistoturnclockwise;
• D ecreasingtheoutlet-/shutoff-pressure:
Theadjustingscrewistoturnanti-clockwise
/ "
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