Albion TMV3 Montageanleitung
Albion Valves (UK) Ltd
www.albionvalvesuk.com
Email: [email protected]
Tel: 01226 729900
TMV3 ART 33 Screwed Rev 1
TMV3 Installation &
Operating Manual
ART 33
Screwed Thermostatic
Mixing Valve
2
TMV3 ART 33 Screwed Rev 1
Contents
1. Introduction
2. Approvals
3. TechnicalSpecication
4. Product Dimensions
5. Conditions of normal use (TMV3)
6. Installation and Assembly
7. Commissioning & Adjustment
8. Maintenance & In-Service Testing
9. TMV Cleaning Instructions
10. Warranty
1. Introduction
• Thevalvescoveredbytheseinstructionshavebeentestedandcertiedasbeingin
compliancewithBS7942:2000andNHSEstatesModelEngineeringSpecication
DHHTM04-01SpecicationD08.
• Valves operating outside the requirements of these standards are not covered by the TMV3
Scheme and are not guaranteed to operate as type 3 valves.
• The National Health Service Estates (NHSE) Health Guidance Note (HGN) makes reference
to three types of valve:
• Type 1
o Havingbothowcontrolanduseradjustmentofmixedwatertemperature
• Type 2
o Havingowcontrolandpre-setmixedwatertemperature
• Type 3
o Withoutowcontrolandwithpre-settemperature
• The installer should be aware of his duty of care and responsibility in ensuring that
compliance with regulation is adhered to. The valve is not guaranteed to function
correctlytotheTMV3specicationunlessitisinstalledandusedinaccordancewiththese
instructions.
• TheAlbionART33thermostaticmixingvalveisavailableinsizes1/2”&3/4”,itisintended
tobettedintoapplicationswherethereliablecontrolofhotwatertemperatureis
necessary to prevent scalding.
• Intheeventofcold-watersupplyfailure,theproductwillshutoffthehotwatersupply.
3
TMV3 ART 33 Screwed Rev 1
2. Approvals
• TheAlbionART33iscertiedundertheTMV3schemeandhasbeenindependentlytested
bytherecognizedtestlaboratoryNSFWalesandisaWaterRegulationsAdvisoryScheme
(WRAS)approvedproductandthelistedintheWaterFittingsandMaterialDirectory.
3. Technical Specication
FactoryTemperatureSetting 42°C
Temperature Adjustment Range 30°C – 48°C
MixTemperatureStability +/-2°C
Cold Water Supply Temperature 5°C – 25°C
Hot Water Supply Temperature 55°C – 65°C
Temperature Differential (Hot Inlet – Outlet) 12°C
Supply Pressure Imbalance 2:1
MaximumStaticPressure 10 Bar
4. Product Dimensions
Dimensions are given for ART 33 in Table 1
Table 1
Model DN Size B C D E
ART 33 1/2” 59 114 126 50.9
ART 33 3/4” 61 135 137 50.9
4
TMV3 ART 33 Screwed Rev 1
5. Conditions of Normal Use (TMV3)
Water Regulations
• Thethermostaticmixingvalvemustbeinstalledinaccordancewiththeregulationsofthe
localwatercompanyandtheWaterSupply(WaterFittings)Regulations1999.
Operating Pressure Range High Pressure Low Pressure
MaximumStaticPressure(Bar) 10 10
Hot & Cold Pressure (Bar) 1.0 – 5.0 0.2 – 1.0
Hot Supply Temperature (°C) 55 – 65 55 – 65
Cold Supply Temperature (°C) 5 – 20 5 – 20
MixWaterTemperature(°C) Maximum46 Maximum46
Temperature Differential (°C) 12 12
• ThermostaticMixingValvesaretemperaturesensitivedevicesandmustnotbesubjected
toextremetemperatures,eitherhotorcold,inuseforinstallation.
• Valves operating outside these conditions of use cannot be guaranteed to operate
as TMV 3 valves.
• Designations of Use
HP-B/S/W/T44
LP-B/S/W
6. Installation & Assembly
5
TMV3 ART 33 Screwed Rev 1
Assembly Procedure
• Thevalvebodyisclearlymarkedwith“C”andablueindicatorforcoldand“H”andared
indicator for hot.
• The use of sealing compounds is not recommended.
• Beforeinstallation,thehotandcold-waterinletofthemixingvalvemustbeclearofdebris.
the valve must be correctly connected to the respective supplies.
• Isolationvalvesmustbettedadjacenttothevalveinlet.APressurereducingvalve(PRV)
mustbettedifdeemednecessary.
• Check the main valve assembly bores are free of debris and the end sealing faces are
clean.
• Checkthetwotailpiecesandconrmtheyarecompletewithunionnutsandcompression
nuts with olives.
• Insertthesealingwasherintotheinletsandoutletandscrewtheinletandoutletttings
ontothevalvebody,takingcarenottoovertighten.
• Removethecompressionnutsandolivesfromthetailpieces.Locatetheinletlterscreens
and insert them into the bore of the tailpieces up to the shoulder.
• Assemble the valve to the pipe work and ensure the hot and cold-water pipes have full
penetrationintothetailpieces.Thecompressionttingssuppliedallowfordirect
connection to BS 22mm OD tube or BS 15mm OD tube.
6
TMV3 ART 33 Screwed Rev 1
• Tighten the compression nuts ensuring that the end of the pipe remains in contact with the
lterelement.
• After installation check carefully for leaks.
• Thevalvemustalwaysbettedinalocationwhereitisaccessibleforbothtestand
maintenance.
Exploded View of ART 33
7. Commissioning & Adjustment
• TheAlbionART33thermostaticmixingvalveissuppliedfactorypre-setat41--43°C.
However,installationconditionswilldictate,thattheproductbeadjustedonsite.
• Priortocommencingcommissioning,thefollowingchecksshouldbecarriedout
• The designation of the TMV matches the application.
• The supply pressures and temperatures are within the operating range of the valve.
• Isolatingvalvesaretted.
• The supply temperatures are within the range permitted for the valve and by
guidance information on the prevention of legionella etc.
• Ifalltheseconditionsaremet,proceedtosetthetemperatureasbelow:-
• Remove the protective cap on top of the valve.
• Back-outthenutusingahexagonwrench:
o Toincreasethetemperature,turnclockwise
o Todecreasethetemperature,turnanti-clockwise
7
TMV3 ART 33 Screwed Rev 1
• Temperature is in accordance with the valve application as per the table below: -
HP (1.0 – 5.0 Bar)
High Pressure
LP (0.2 – 1 Bar)
Low Pressure Application Maximum
Temperature (°C)
HP-B LP-B Bidet 38
HP-S LP-S Shower 41
HP-W LP-W Wash Basin 41
HP-T44 Bath 44
• When the valve has been installed with the correct conditions of use it is advised that
the valve is subjected to normal operation prior to the commissioning at the application
temperature. Operate the valve from full cold to full hot at least three times by removing
theblueplasticcapandusingahexagonwrenchtoadjust.
• With the valve at the full cold position bring the valve to the correct application
temperaturebyturningthenutclockwise.Ifthevalveexceedsthistemperature,returnthe
valvetothefullcoldcondition,andresetittothecorrecttemperature+0-2°C.Donotseta
valve with a lowered temperature as this will not provide consistent operation.
• After adjustment replace the cap to lock the valve in position and prevent tampering.
• Commissioning Test sequence
•Afteradjustingthetemperatureofthemixedwaterinaccordancewiththevalveapplication.
• Record the temperature of the hot and cold-water supplies.
• Recordthetemperatureofthemixedwateratthelargestdraw-offowrate.
• Recordthetemperatureofthemixedwateratasmallerdraw-offowrate,whichshallbe
measured.
• Isolatethecold-watersupplytothemixingvalveandmonitorthemixedwatertemperature
recordingthemaximumtemperatureachievedandthenalstabilizedtemperature.
• Recordtheequipment,thermometeretc.usedforthemeasurements.
• Thenalstabilisedtemperaturemustnotexceedthevaluesinthetablebelowandmust
neverexceed46°C:-
Application Max Temperature °C
Bidet 40
Shower 43
Wash Basin 43
Bath 46 (note 1)
8
TMV3 ART 33 Screwed Rev 1
Note 1
• 46°Cisthemaximummixedwatertemperaturefromthebathtap.Themaximum
temperature takes account of the allowable temperature tolerances inherent in
thermostaticmixingvalvesandtemperaturelossesinmetalbaths.Itisnotasafebathing
temperature for adults or children.
• The British Burns Association recommends 37 to 37.5°C as a comfortable bathing
temperatureforchildren.InpremisescoveredbytheCareStandardsAct2000,
themaximummixedwateroutlettemperatureis43°C.
8. Maintenance & In-Service Testing
• The purpose of in-service testing is to regularly monitor and record the performance of the
thermostaticmixingvalve.Deteriorationinperformancecanindicatetheneedforservice
workonthevalveand/orwatersupply.
• Carry out the test sequence using the same or equivalent equipment used for
commissioning the valve.
• Ifthemixedwatertemperaturehaschangedsignicantlyfromtheprevioustestresults
(e.g.>1°C),recordthechangeandbeforere-adjustingthemixedwatertemperaturecarry
out the following checks;
• Allin-lineorintegralltersareclean.
• Any in-line or integral non-return valves or other anti-back siphonage devices are in
good working condition.
• Any isolation valves are fully open.
• Withanacceptablemixedwatertemperature,completethetestsequenceaspersection7
of this document.
• Intheabsenceofanyotherinstructionorguidance,itisrecommendedthatIn-Service
Testsarecarriedoutasperthetablebelow.Ifthetemperatureisoutsideoftheexpected
range it will be necessary to remove and clean the valve in accordance with the
instructions in the table below: -
Temperature Variation (°C) Comment Service Frequency (Weeks)
+/-1°C N/A 24 – 28 Weeks
+/-1°C–2°C In either one period 24 – 28 Weeks
+/-1°C–2°C In both periods 18 – 21 Weeks
+/-Exceed2°C In either period 18 – 21 Weeks
• Ifthereisaresidualowduringthecommissioningorbi-annualverication(cold
water supply isolation test) then this is acceptable providing the temperature of the water
seepingfromthevalveisnomorethan2°Cabovethedesignatedmaximummixedwater
9
TMV3 ART 33 Screwed Rev 1
outlet temperature setting of the valve.
• Ifawatersupplyisfedbygravitythenthesupplypressureshouldbeveriedtoensurethe
conditions of use are appropriate for the valve.
• Thettingofisolationvalvesisrequiredascloseasispracticabletothewatersupply
inletsofthethermostaticmixingvalve.
• Temperaturereadingsshouldbetakenatthenormalowrateafterallowingthesystem
tostabilize.Thesensingpartofthethermometerprobemustbefullysubmergedin
the water that is to be tested. Any TMV that has been adjusted or serviced must be re-
commissioned and re-tested in accordance with the manufacturer’s instructions.
• Intheabsenceofanyotherinstructionorguidance,itisrecommendedthatIn-service
Tests are carried out once every 6 months as a minimum.
9. TMV Cleaning Instructions
• Most domestic water supplies contain calcium which will separate out when the water is
heated in a system. The degree and speed of scaling may vary depending on factors such
aswaterowrates,systemdesign,thehardnessofthewaterandthetemperatureto
which the water is heated.
• Depositsofscalemayovertimeforminthevalve,particularlyatthehotinlet.The
formation of the scale may adversely affect the performance of the valve which will be
detected during the in-service testing. If this occurs it will be necessary to remove
the valve for de-scaling and service.
Cleaning Procedure
• Isolate the hot and cold supply.
• Remove the valve to a clean working area.
• Remove the protective cap.
• Unscrew the headwork of the valve.
• Carefully remove the temperature sensitive thermal element and piston assembly and put
to one side.
• Removethemainspringandowguideandcarefullyputtooneside.
• Inspect the components for contamination or damage.
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TMV3 ART 33 Screwed Rev 1
• Clean or replace as necessary.
• There may be a need to periodically grease components. Please ensure that the grease is
WRAS approved.
• Remove the O-ring.
• Clean the valve body and headwork using a propriety de-scaler.
• Thoroughly rinse the body and headwork in clean water.
• CarefullytO-ringtobody.
• Carefullyre-tallcomponentsandperformthecommissioningsequence.
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