Viega 2281.7 Instructions For Use Manual Download Page 1 | Manualshive

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For thermal / hydraulic line calibration in potable water installa‐

tions
Model

Year built:

2281.7

from 03/2019

en_INT

Easytop circulation regulation valve S/E

with SC-Contur

Instructions for Use

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2
3
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Summary of Contents for 2281.7

Page 1: ...For thermal hydraulic line calibration in potable water installa tions Model Year built 2281 7 from 03 2019 en_INT Easytop circulation regulation valve S E with SC Contur Instructions for Use...

Page 2: ...Easytop circulation regulation valve S E with SC Contur 2 from 27...

Page 3: ...3 7 Technical data 12 2 4 Information for use 15 2 4 1 Corrosion 15 2 5 Optional accessories 15 3 Handling 17 3 1 Assembly information 17 3 1 1 Permitted exchange of sealing elements 17 3 1 2 Mounting...

Page 4: ...ns The installation of Viega products must take place in accordance with the general rules of engineering and the Viega instructions for use 1 2 Labelling of notes Warning and advisory texts are set a...

Page 5: ...DIN DVGW Some passages in the text may refer to technical codes in Europe Germany These should serve as recommendations in the absence of corresponding national regulations The relevant national laws...

Page 6: ...le water installations DIN EN 806 part 4 Planning execution operation and maintenance of potable water installations DIN EN 806 part 5 Planning execution operation and maintenance of potable water ins...

Page 7: ...7 Permitted stainless steel pipes DVGW Arbeitsblatt GW 541 Permitted stainless steel pipes DIN EN 10312 Permitted stainless steel pipes DIN EN 10088 Scope Notice Regulations applicable in Ger many Ext...

Page 8: ...Use is possible in the following areas among others n Hot water circulation pipelines n Internally and parallel laid circulation pipes The general rules of engineering and the applicable regulations...

Page 9: ...valve cone and flexible material element n temperature scale for setting temperature between 40 C and 65 C n integrated ball valve n converter flow regulator The model can be shut off using the integr...

Page 10: ...st in the pressure range from 0 1 hPa 0 65 MPa 1 0 mbar 6 5 bar n with dry leakage test in the pressure range from 22 hPa 0 3 MPa 22 mbar 3 0 bar 2 3 3 Sealing elements NOTICE Only EPDM sealing elemen...

Page 11: ...e 7 n Stainless steel pipes material 1 4401 1 4521 see Regulations from section Compatible components on page 7 2 3 6 Operating mode The valve cone of the CRV is equipped with a flexible material elem...

Page 12: ...following operating conditions for the installation of the model Operating temperature Tmax 80 C Operating pressure Pmax 1 0 MPa 10 bar Temperature range settable 40 C up to 65 C Factory settings 57 C...

Page 13: ...L7NJO L7NJO U L7NJO Q NCBS 7 M NJO Fig 4 Diagram operating modes Pressure losses Pressure loss Product information Easytop circulation regulation valve S E with SC Contur 13 from 27...

Page 14: ...55 0 50 0 45 0 40 0 0 042 0 060 60 0 57 5 55 0 52 5 47 5 42 5 37 5 0 258 0 276 57 5 55 0 52 5 50 0 45 0 40 0 35 0 0 407 0 425 55 0 52 5 50 0 47 5 42 5 37 5 32 5 0 618 0 636 52 5 50 0 47 5 45 0 40 0 35...

Page 15: ...tions from section Corrosion on page 7 Easytop fittings made of gunmetal silicon bronze are suit able for all types of potable water The chloride concentration in the medium must not exceed a maximum...

Page 16: ...n EPS insulating shell is available for the circulation regulation valve The two piece insulating shell is self supporting and is mounted without tools and holding grips They close seamlessly on the f...

Page 17: ...ructions Do not remove the model from the packaging until immedi ately before use System components may in some cases become damaged through transportation and storage n Check all parts n Replace dama...

Page 18: ...and coloured pen for marking n press machine with constant pressing force n Press jaw or press ring with corresponding hinged adapter jaw suit able for the pipe diameter and suitable profile Fig 10 P...

Page 19: ...ling element They may damage the sealing element or the bead Remove the sealing element from the bead Insert a new undamaged sealing element into the bead Ensure that the complete sealing element is i...

Page 20: ...the pipe properly using a pipe cutter or fine toothed hacksaw Avoid grooves on the pipe surface 3 2 3 Pressing the connection NOTICE Leaky press connections due to pipes being too short If two press c...

Page 21: ...t is undamaged n The complete sealing element is in the bead Push the press connector onto the pipe as far as it will go Mark the insertion depth Place the press jaw onto the press machine and push th...

Page 22: ...the riser pipe and on the storey If there are multiple riser pipes on the storey during the installation of the circulation regulation valve then every riser pipe must have a circu lation regulation v...

Page 23: ...Fig 11 CRV in the riser pipe Handling Easytop circulation regulation valve S E with SC Contur 23 from 27...

Page 24: ...Bring flowthrough control to position II n Use on the storey Bring flowthrough control to position I n For thermal disinfection Bring flowthrough control to position t D n Temperature setting Set to...

Page 25: ...nting the Easytop drainage valve and Easytop thermometer Unscrew the drain plugs with an Allen key size 5 Insert the Easytop drainage valve and tighten using a fork spanner size 17 Sealing is achieved...

Page 26: ...er with a temperature of 70 C Thermal disin fection is achieved by flushing all parts that come into contact with water with hot water with a temperature of 70 C for at least 3 minutes To avoid injury...

Page 27: ...m a leakage test before commissioning Carry out this test on a system that is finished but not covered yet Comply with the general rules of engineering and the applicable direc tives see Regulations f...

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