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Customer Care Department

Telephone: 0845 505 2211 

9.00 am - 5.00 pm Monday to Friday

Marleton Cross Limited Trading as The MX Group

Alpha Close, Delta Drive, Tewkesbury Industrial Estate, Tewkesbury, Gloucestershire GL20 8JF
Tel: 01684 293311   Fax: 01684 293900   Email: sales

@

mx-group.com   www.mx-group.com

CUSTOMER CARE: 0845 5052211 

TRADE DESCRIPTIONS ACT

Variations in terms of colour finish, materials and all other aspects of appearance may occur on occasions, either 
through non-availability of materials or due to our policy of continuing technical improvement. Therefore the Company 
reserves the right to change specification or withdraw products from this list without prior notice being given.

6754Q RN/0917

Summary of Contents for Atmos Sigma

Page 1: ...Fitting Instructions IMPORTANT This Step by Step guide should be retained after installation Atmos Sigma Thermostatic Bar Mixer Valve ...

Page 2: ...mumof5barrunning pressure Themixervalvemustnotbesubjectedto watertemperaturesabove80 C Thismixervalveis alsosuitableforthermalstorage unventedsystems andpumpedgravitysystems IMPORTANT Beforeinstallingwithagas instantaneouswaterheater makesureitiscapable ofdeliveringhotwaterataminimumswitch onflow rateof3litresperminute Atflowratesbetween3and8litresperminute theappliancemustbecapableofraisingthewat...

Page 3: ...IMPORTANT This Step by Step guide should be retained after installation Dogleg Thread Adaptor Please make sure ALL components are included before starting the installation Description Quantity BarMixerValve 1 DoglegThreadAdaptors 2 NutCovers 2 FilterWashers 2 FittingInstructions 1 RegistrationCard 1 ...

Page 4: ...ndent method of isolating the shower should maintenance or servicing be necessary these valves SHOULD NOT restrict the flow DO NOT operate the shower outside the recommended temperatures and pressures stated in this guide Always test the water temperature with your hand before entering the shower NOTE As a competent person installing this shower you should ensure that all users are very conversant...

Page 5: ... Itis veryimportantthatforuseinanymainspressure systemsanexpansiontankandapressurereducing valvehasbeenfittedtoensurethepressuredoes notexceed5Bar Thisshouldbeconfirmedbytheinstallation engineerorcompetentperson beforeinstallation WATER TEMPERATURE REQUIREMENTS Maximumhotwatertemperature 80 C Recommendedmaximum 65 C Minimumhotwatertemperature 55 C Maximumcoldwatertemperature 20 C TEMPERATURE ADJUS...

Page 6: ...asaredsymbol nexttotheinletandmustbeonthelefthandside If themixervalveyouarefittingiswithariserrailthe outletshouldpointdown ifthemixervalveisforan overheadtheoutletshouldpointupwards n Themixervalveisdesignedtoworkatthesame hotandcoldwaterpressures Ifthisisnotthecasea flowcontroller discwithsmallholes canbefittedto thehigherpressuresupplytothevalve Thisisbest donebytestingeachonetofindoutwhichgiv...

Page 7: ...hefittings makingsure thesealingwashersareinplace screwtheunions ontothefittings Themixervalvemustbepositioned horizontallywiththehotsupplyonthelefthandside oftheoutlet Fig3 NOTE Ensureyouhavethecorrectvalvewiththe wateroutletonthebottomwhenthehotwaterinletis totheleft 1 2 3 9 OPERATION Thereare2controlhandlesonthemixervalve TO CONTROL THE FLOW Turntherightcontrolhandleanti clockwisetoturnonandinc...

Page 8: ...lets 3 Overridethetemperaturestopbuttonbypressing thebuttonandrotatetomaximumbeingcarefulto avoidscalding Measurethetemperature 4 Thevalveshouldthenbecheckedtoconfirmthe waterisolationperformscorrectly Runthevalveat the38 Cstopposition Checkthewatertemperature 5 Turnoffthefeedofcoldwaterusingtheisolation valve Thewaterflowshouldfalltoaverylowflow possiblyonlyadrip afterafewseconds 6 Collectthewate...

Page 9: ...vevalveandcleanfilters 4 Showerheadblocked CleanShowerhead 5 Systemnotcapableofsupplyingmultipleoutlet atthesametime Reducesimultaneousdemand Checkstop servicevalvesarefullyopen Checkifenough waterpressure Q WatertooCOLD A Ninethingstocheck 1 Temperaturecontrolisnotcorrectly commissioned Adjustthetemperaturecontrol thisisonlyajob forasuitablyqualifiedperson 2 Notenoughhotwaterflowingthroughshower ...

Page 10: ...yMXGrouptoyouthecustomer 2 Thisguaranteeispersonaltotheoriginalpurchaserofthe componentandisnottransferable 3 Originalproofofpurchase s mustbeshownforanyclaim underthisguarantee 4 Thisguaranteedoesnotcoveranycomponentsthathavebeen modified alteredortransformedinanyway 5 Thisguaranteeappliestoanoriginalinstallationinaccordance toourfittinginstructionsanddoesnotcoverpreviouslyinstalled components sh...

Page 11: ...rcontactdetails andthepostcodewheretheunitisinstalled 2 TheMXGroupCustomerServiceDepartmentwill beabletotellyouwhetherthefaultcanbesimply rectifiedbytheprovisionofareplacementpart 14 SPAREPARTS Intheeventthatpartsormaintenanceisneeded outsidetheguaranteeMXwillendeavourtohelp withthis Sparepartscodesaregiveninthefitting instructions BycallingtheCustomerService Departmenton08455052211withthepart num...

Page 12: ...il sales mx group com www mx group com CUSTOMERCARE 08455052211 TRADE DESCRIPTIONS ACT Variations in terms of colour finish materials and all other aspects of appearance may occur on occasions either through non availability of materials or due to our policy of continuing technical improvement Therefore the Company reserves the right to change specification or withdraw products from this list with...

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