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10. FITTING THE MIXER VALVE   

(CONT.)

IMPORTANT: Ensure that you have read through section 7. IMPORTANT INSTALLATION INFORMATION before 

starting to fit the mixer valve.

8.  Pipes must be fitted from the 

¾

 BSP female outlets 

of the mixer valve to the location at which you 

wish to position the wall outlet, overhead or any 

other fittings. These pipes must end in 

½

 female 

connection so the wall outlet and overhead arm can 

be fitted. If fitting as a 2 way valve, the unused outlet 

must be blanked off using the 

¾

 BSP blank plug 

supplied.

9.  Once the mixer valve and wall outlet are fitted, 

prior to fitting the trim plate enusre all connections 

are watertight. This can be done by reconnecting 

the water supplies an check all connections. To 

do this you must fit the diverter handle in the 

correct position so that ‘off’ is at the bottom. After 

pressuring the system and checking no leaks 

are present turn the handle to all other positions, 

checking each time that there is no leak. Return the 

handle to its original position and remove.

10.  The trim plate is fitted by pushing it onto the mixer 

valve until flush with the tiles (Fig 5).

NOTE: Before assembling the valve controls identify 

all the parts and check that both the red markings on 

the control shaft of the thermostatic control are inline.

11.  Fit the on/off knob onto the diverter (the top shaft 

with the ‘off’ at the bottom), push fully onto the 

shaft. Hold firmly in position and tighten the grub 

screw with allen key supplied (Fig 6).

12.  Fit the stop ring into the lower shaft assembly with 

the notch at the bottom (Fig 7).

13.  Fit the temperature control knob onto the lower 

shaft with the override button at the top. Hold the 

control knob firmly in position and tighten the grub 

screw with the allen key provided.

NOTE: Test water temperture by turning the flow 

control clockwise. Allow the water to stabilise, this 

should be at approximatley 38

˚

C. Use a thermometer 

to accurately measure this temperature. If the 

temperature is not 38

˚

C you need to adjust 

the stop ring so it is in the correct position (see 

commissioning).

14.  Fit chrome caps to the grub screw hole for 

square style and fit control levers to circular style 

complete valve installation (Fig 8).

NOTE:  Sufficient space should be left behind the trim 

plate disc to allow access to the elbows for servicing.

7

6

5

8

HOT

COLD

OFF

HOT

COLD

OFF

Summary of Contents for Atmos Select 3 Way

Page 1: ...Fitting Instructions IMPORTANT This Step by Step guide should be retained after installation Atmos Select 3 Way Thermostatic Mixer Valve for Round and Square Valve Options...

Page 2: ...umof5barrunning pressure Themixervalvemustnotbesubjectedto watertemperaturesabove80 C Thismixervalveis alsosuitableforthermalstorage unventedsystems andpumpedgravitysystems IMPORTANT Beforeinstallingw...

Page 3: ...his Step by Step guide should be retained after installation HOT COLD OFF Concealing Plate Nut Cover Please make sure ALL components are included before starting the installation Description Quantity...

Page 4: ...dent 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...

Page 5: ...Itis veryimportantthatforuseinanymainspressure systemsanexpansiontankandapressurereducing valvehasbeenfittedtoensurethepressuredoes notexceed5Bar Thisshouldbeconfirmedbytheinstallation engineerorcompe...

Page 6: ...thesame hotandcoldwaterpressures Ifthisisnotthecasea flowcontroller discwithsmallholes canbefittedto thehigherpressuresupplytothevalve Thisisbest donebytestingeachonetofindoutwhichgivesthe bestresults...

Page 7: ...ed Youshouldmeasurethedistancebetweentheoutlets onthemixervalveyouarefittingtodeterminethe exactdistance 4 Atthispointyoumaywishtofitthepipeworkand thewallarm seewallarmfittingandwalloutlet priortoany...

Page 8: ...ntothemixer valveuntilflushwiththetiles Fig5 NOTE Beforeassemblingthevalvecontrolsidentify allthepartsandcheckthatboththeredmarkingson thecontrolshaftofthethermostaticcontrolareinline 11 Fittheon offk...

Page 9: ...uldthenbecheckedtoconfirmthe waterisolationperformscorrectly Runthevalveat the38 Cstopposition Checkthewatertemperature 5 Turnoffthefeedofcoldwaterusingtheisolation valve Thewaterflowshouldfalltoavery...

Page 10: ...evalveandcleanfilters 4 Showerheadblocked CleanShowerhead 5 Systemnotcapableofsupplyingmultipleoutlet atthesametime Reducesimultaneousdemand Checkstop servicevalvesarefullyopen Checkifenough waterpres...

Page 11: ...ustomer 2 Thisguaranteeispersonaltotheoriginalpurchaserofthe productandisnottransferable 3 Originalproofofpurchase s mustbeshownforanyclaim underthisguarantee 4 Thisguaranteedoesnotcoveranyproductstha...

Page 12: ...from this list without prior notice being given 67521KL JULY2016 14 SERVICEPOLICY IntheeventofyouneedingtocontacttheMXGroup CustomerServiceDepartment thefollowing procedureshouldbefollowed 1 Beforetel...

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