serving the gas industry worldwide

rmg regel + messtechnik gmbh

Operating Manual

testing device For water ‑ rmg 790

2

testing device For water ‑ rmg 790

A

E

3

1

2

4

5

6

7 8

9

10

C

D

B

Operating Manual

Water

Gas

100 bar 16 bar

3

testing device For water sav rmg 790

CONNECTION: TO: TYPE OF CONNECTION:

A Gas – Inlet Auxiliary energy, gas

Pipe connection DIN 2353light-duty seriesouter diameter of pipes B Gas – Outlet Outdoor line

C Water – Outlet Heat exchanger

D Water – Inlet Funnel Quick coupling

E Water – Overflowvalve Collector Hosenipple12mmwithcock

COMPONENTS:

1 Pressure vessel

2Funnelwithquickcoupling

3 Gas stop ball valve at inlet

4 Water stop ball valve at outlet

5 Adjustable inlet control valve

6 Adjustable outlet control valve

7 Fixed control valve

8Safetyblow-offvalve,setto12bar

9 Pressure gauge, gas

10Pressuregauge,water

TECHNICAL SPECIFICATIONS:

Inlet pressure, max.: pe max = 100 bar

Operating pressure, max.: pe max = 16 bar

Water tank: V ~ 6.5

Operating Manual

4

testing device For water ‑ rmg 790

•ClosestopvalvesbetweenheatingandRMG790inflowandreturnpipes.

•ConnectwateroutletconnectionCofthetestingdevicetotestconnectionI(heatexchangerside!)ofanRMG790 or directly to the heat exchanger.

•Openstopballvalve4.Compensatepressurebetweenheatexchangerandtestingdevice.

•Observewaterpressuregauge10 .

caution. Tank1isunderpressure!DonotopenconnectionDbyinsertingwaterfunnel2.

Operating Manual

1. Filling with water

caution. Depending on application, it may be necessary to use antifreeze or similar agents.

•Insertfunnel2withquickcoupling.ConnectionDisopen.

•Openoutletcontrolvalve6.

•Closestopballvalves3and4.

•OpenoverflowvalveEabit.(Releaseairwhenfillingpressurevessel1.)

•Fillwithwater.

•Removefunnel2,connectionDisclosed.

•CloseoverflowvalveE.

2. connect to sav rmg 790 or heat exchanger

It is also possible to connect di-

rectly to the heat exchanger.

Heat exchanger

Flowpipes

Returnpipes Stop valve

Stop valve

Test connection ITest connection II

Test connection II Test connection I

Test connection

5

testing device For water sav rmg 790

4. connect auxiliary energy (gas).

•Closestopballvalve3.

•Closeoutletcontrolvalve5.

•Openoutletcontrolvalve6.

•Connectauxiliaryenergy.(ph > ps SAV)

5. testing

•Openstopballvalve3.

•Adjusttestpressureadjustingcontrolvalves5and6. By applying the test pressure to the pressure vessel on the gas side, the pressure in the heat exchanger is raised simultaneouslysothatthetestingdeviceonRMG790opensassoonasthesetvalueisreached.Youwillnoticeasmallamountofwaterleakingfromthetestingdevice. AfurtherincreaseinthepressurewillclosetheSAVs.ThepressureatthepressuregaugeofSAVtestconnectionIIwillfallbacktothesetvalueofthetestingdevice.Next,youmustraisethetestpressureanadditional2to3bars(butnotbeyond10bar).Trapthepressureintheheatexchangerbyclosingtheconnectionofthetestingdevice.Ifthepressureremainsstable,theconnectionistightandtheRMG790worksproperly.

•Whileapplyingthepressureandcarryingoutthetest,keepaneyeonpressuregauges9(gas)and10(water)onthe testing device. Both pressure gauges must indicate the same pressure.

6. completing the test

•Closestopballvalve3.

•Openoutletcontrolvalve6.Reducegaspressure.

•Closestopballvalve4.

•OpenoverflowvalveE.Reducewaterpressure.

•Removetestingdeviceconnection.

•Drainingthewaterfromtestingdevice: Openstopballvalve4anddrainpressurevessel1usingwateroverflowconnectionE. Rememberantifreeze,ifnecessary(collector).

Operating Manual

3. connect outlet connection b to outdoor pipe.

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RMGisyourworldwidepartnerforgascontrolequipment,ranging from exploration to consumer supply. The com-prehensiverangeofRMGproductsandsystemsprovidesyouwithatotalsolutionforallyourgasandmeasurementneeds.Modernmanufacturingtechniquescombinedwithourexpertiseandspecialistknowledgeinthedesignand

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Lastupdate11/2007TestingdeviceforSAVRMG790Technicalmodificationsreserved

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