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24

FAULT DIAGNOSIS

SYMPTOM

1.

Only hot or cold
water from the control
outlet.

2.

Fluctuating or reduced
flow rate.

3.

No flow rate from the
control outlet.

4.

Blend temperature drift.

5.

Maximum blend
temperature setting
too hot or too cold.

6.

Water leaking from the
shower control fitting.

7.

Flow rate too low or
too high.

CAUSE/RECTIFICATION

a.

Inlets reversed (hot supply to cold supply).
Refer to section: 

‘Reversed Supplies’

.

b.

No hot water reaching the control.

c.

Check the filters for any blockage.

d.

Installation conditions outside operating
parameters: refer to sections: 

‘Specifications’

and 

‘Commissioning’

.

a.

Check the showerhead, hose and filters for any
blockage.

b.

Make sure minimum flow rate is sufficient for
supply conditions.

c.

Make sure the maintained inlet pressures are
nominally balanced and sufficient.

d.

Make sure the inlet temperature differentials are
sufficient.

e.

Check the thermostatic performance.

f.

Flow regulator fitted incorrectly.

Refer to 

Note 

below.

g.

Airlock or partial blockage in pipework.

a.

Check the showerhead, hose and filters for any
blockage.

b.

Hot or cold supply failure.

a.

Refer to symptom 

2.

 above.

b.

Hot supply temperature fluctuation.

c.

Supply pressures fluctuating.

d.

Seal damage or wear. Renew the thermostatic
cartridge.

a.

Indicates incorrect maximum temperature
setting; refer to section: 

‘Commissioning’

.

b.

Refer to symptom 

4.

 above.

a.

Normal for a short period after shut off.

b.

Check that the pressures are not in excess of
the for product.

c.

Renew the flow cartridge.

a.

(Too low) Insufficient supply pressures.

b.

(Too low) Refer to symptom 

2. 

above.

c.

(Too high) Supply pressure too high. Install
supplied flow regulator on the outlet.

Refer to 

Note 

below.

d.

(Too high) Refer to symptom 

2.

 above.

Note!

 Refer to the Discovery Fittings Installation and User Guide.

Содержание Mira Discovery

Страница 1: ...1 These instructions are to be left with the user Installation and User Guide SHOWER VALVE BUILT IN DUAL CONTROL...

Страница 2: ...Stud Partition Using Securing Brackets Mounting off Front Face 12 2 Solid Wall or Stud Partition Using Rear Fixing Points on Shower Control 15 3 Laminated Panel Using Securing Brackets Mounting off R...

Страница 3: ...ibleandassuch cannottotallyreplaceasupervisor svigilancewhere that is necessary Provided it is installed commissioned operated and maintained withinmanufacturersrecommendations theriskoffailure ifnote...

Страница 4: ...to confirm that the parts are included PACK CONTENTS 1 x Shower Valve fitted to the Building in Shroud 3 x Compression Nuts 3 x Olives x Flow Regulator 12 litres per minute 1 x Hexagon Key 3 x Mounti...

Страница 5: ...5 DIMENSIONS Note All Dimensions are Nominal Pipe Centres 186 mm 47 mm 64 82 mm 108 mm 231 mm 27 mm...

Страница 6: ...set Blend Shower 43 C Optimum Thermostatic Control Range 35 C 45 C Achieved with supplies of 15 C cold 65 C hot and nominally equal pressures Max Hot Supply 85 C Recommended Hot Supply 60 C 65 C Min D...

Страница 7: ...ed refer to sections Installation and Reversed Supplies Inlets 15 mm Compression Outlet 15 mm Compression Thermostatic Shut down Thermostat will shut off Hot Supply Within 2 Seconds if Cold Supply Fai...

Страница 8: ...dulating design Note Flow regulator recommended to be installed refer to the Discovery Fittings Installation and User Guide However it is possible following installation of a flow regulator that the f...

Страница 9: ...e installed on the floor next to the hot water cylinder Note Flow regulator recommended to be installed refer to the Discovery Fittings Installation Manual Mains pressurised instantaneous hot water sy...

Страница 10: ...the valve inlets 5 Inlet and outlet threaded joint connections should be made with PTFE tape or liquid sealant Do not use oil based non setting joint compounds 6 To eliminate pipe debris it is essenti...

Страница 11: ...ring Brackets go to section Installation 1 Solid Wall or Stud Partition Using Securing Brackets Mounting off Front Face For installation from the front face into a Solid Wall or Stud Partition using t...

Страница 12: ...ows and install on opposite sides Secure the elbows with the grub screws Note Make sure that the filter plugs are positioned to the front i e hexagonal key facing forward 1 4 Mark the route for the ou...

Страница 13: ...llations alternative fixings may be required not supplied Important At this point position the building in shroud onto the shower valve and make sure that it is horizontal and will be parallel to the...

Страница 14: ...inimum and maximum limits otherwise the control components will not fit correctly 1 16Remove the building in shroud Retain the three securing screws for securing the backplate 1 17Fit the shower fitti...

Страница 15: ...depend on the finished wall thickness e g tiles or facia board Refer to the table for this measurement For stud partitions depth X refers to the distance from the rear mounting e g wooden baton to th...

Страница 16: ...ive fixings may be required not supplied to fix the shower valve to the rear face of the wall cavity or to a timber noggin Important At this point position the building in shroud onto the shower valve...

Страница 17: ...t the hole cutout will be horizontal and vertical 3 3 Carefully cut out the laminated panel and make sure that the building in shroud fits inside the hole cutout 3 4 Fit the securing brackets to the s...

Страница 18: ...ater use 3 9 Secure the shower valve positioned from the rear of the panel with the M5 x 40 mm fixing screws refer to illustration 3 10Fit the hot and cold supply pipes and tighten the compression nut...

Страница 19: ...the seal is fully compressed on the finished wall surface Note If the finish is particularly uneven i e due to grout lines apply a small amount of silicone sealant to ensure a seal Caution Do not over...

Страница 20: ...You will need to push the concealing plate up and over the lip on top of the backplate refer to illustration 8 Clip the bottom of the concealing plate into position 9 Align the temperature control kno...

Страница 21: ...O Key supplied onto the cartridge nut and turn anticlockwise Unscrew and pull the cartridge clear from the body Note Depending on the finished wall thickness it may be necessary to remove the backplat...

Страница 22: ...e Caution When resistance is felt do not use force to turn any further as this can damage the internal parts 6 Once the desired maximum blend temperature has been achieved refit the temperature hub an...

Страница 23: ...TION Note IfexcessiveflowrateisexperiencedfromtheShowerControl installthesupplied Flow Regulator refer to the Discovery Fittings Installation and User Guide OFF ON COLD HOT Flow Control Lever Temperat...

Страница 24: ...nced and sufficient d Make sure the inlet temperature differentials are sufficient e Check the thermostatic performance f Flow regulator fitted incorrectly Refer to Note below g Airlock or partial blo...

Страница 25: ...ubstances and should not be used for cleaning plated or plastic fittings These finishes should be cleaned using a mild washing up detergent or soap solution rinsed and then wiped dry with a soft cloth...

Страница 26: ...C Flow Control Assembly 1609 043 D Flow Control Housing 1609 044 E Non Return Valve 2 off 1609 045 F Screw Pack not illustrated 1609 046 G Filter Pack 2 off 1609 047 H Seal Pack not illustrated 1609...

Страница 27: ...27 J A B C C K J D D D E G I L K J...

Страница 28: ...28 7 5 1058366 W2 A 1609 Kohler Mira Limited February 2006 CUSTOMER SERVICE...

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