Kohler Mira Eco Manual de operación

These instructions are to be left with the user

INSTALLATION & USER GUIDE

SHOWER FITTINGS

MIRA ECO

INTRODUCTION

ThankyouforpurchasingaqualityMiraproduct.To

enjoythe fullpotential ofyour newproduct, please

take time to read this guide thoroughly, having

done so, keep it handy for future reference.

MiraECO adjustableshowerﬁttingsaredesigned

to give a satisfactory shower over a range

of pressures. These fittings are suitable for

pressures between 0.5 and 5.0 bar and are

available in chrome or white ﬁnishes.

General

1. Makesure thattheshowerﬁttingsareinstalled

by a competent installer.

2. InstallationsmustcomplywithWaterRegulations

(Bye-Laws, Scotland), and any other Local

RegulationsandBuilding Regulations in force

at the time of installation.

3. Before installation carefully inspect the new

ﬁxture for any signs of damage.

4. The shower ﬁttings should be positioned at a

convenient height for all the family. Position

theﬁttingstosprayacross ratherthentowards

the opening of the cubicle and also away from

the shower control. Avoid layouts where the

shower hose will be sharply kinked. This may

reduce the life of the hose.

5. A hose retaining ring is supplied to prevent

the showerhead from dropping below the spill

over level of the bath or shower, which could

lead to contamination from backsiphonage.

The supplied hose retaining ring should meet

the great majority of user requirements for

showerinstallationswith ﬂexibleoutlet ﬁttings.

However, there will be occasions when the

hose retaining ring will not provide a suitable

solution. In these instances an outlet double

check valve, e.g. the Mira DCV-H, must be

ﬁtted. The inclusion of the Mira DCV-H will

increasethe requiredsupply pressuretypically

by 0.1 bar.

6. Special consideration should be given to the

ﬁxing arrangements when installing onto a

dry lined, stud partition, shower cubicle or

laminatedpanel wallstructures.Installers may

wish to obtain alternative proprietary cavity

ﬁxings, or choose other options, however,

these methods of ﬁxing are beyond the scope

of this guide.

If you experience any difficulty with the

installation or operation of your new shower

ﬁttings, please refer to ‘Fault Diagnosis’,

beforecontactingKohler MiraLtd. Ourcontact

details can be found on the back cover of

this guide.

CONTENTS

Introduction 2

General 2

Pack Contents 3

Pack Contents 4

Speciﬁcations 5

Pressures 5

Dimensions 5

Flow Rates 5

Installation 6

RAC Assembly 6

Mira Eco Shower Fittings 8

Operation 9

User Maintenance 10

Fault Diagnosis 10

Cleaning 10

Spare Parts 11

Customer Service 12

Design Registration 3 003 935

2 x Wall Plugs

1 x Slide Bar

1 x 1.25m Flexible Hose

1 x Showerhead

2 x Hose Seals

1 x Clamp Bracket

1 x Hose Retaining Ring

1 x Applicator

2 x Fixing Screws

2 x Slide Bar End Supports

2 x Slide Bar End Caps

1 x 1.75m Flexible Hose

PACK CONTENTS

Tick the appropriate boxes to familiarise yourself

with the part names and to conﬁrm that all of the

parts are included.

PACK CONTENTS

Tick the appropriate boxes to familiarise yourself

with the part names and to conﬁrm that all of the

parts are included.

Only supplied with Built-In Variable (BIV) ﬁtting.

1 x Wall Plate 2 x Wall Plugs

1 x Olive

2 x Backplate Screws

1 x Backplate Nut

2 x 'O' Seals

1 x Elbow

1 x Shroud

1 x Backplate

2 x Wall Plate Screws

SPECIFICATIONS

Pressures

Min maintained pressure: 0.5 bar (50 kPa).

Max maintained pressure: 5.0 bar (500 kPa).

Warning! Exceeding the stated maximum

maintained pressure could result in excessive

back pressure and possible damage to the

product.

Dimensions

Flow Rates

These are the typical ﬂow performance graphs

for the Mira Eco shower ﬁttings. There will be

an additional pressure loss through the shower

control.

Pressure loss = Pressure difference between the

inlet and outlet of the ﬁtting.

The graph below shows the water saving made

usingthe MiraEcoshowerheadva standardthree

mode Mira High Capacity Logic showerhead.

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

45.0

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0

Pressure (bar)

Flow Rate (l/min)

Start eco / Soothe eco / Force eco modes

Start / Force

Soothe mode

Logic

mode Logic

344mm Max.

659 mm

INSTALLATION

RAC Assembly

The RAC assembly is supplied with built-in mixer

showers only.

1. Before the RAC assembly can be ﬁtted you

must have ﬁrst installed your built-in shower

control and have connected the inlet and

outlet pipework. Refer to your shower control

installation and user guide.

Important! Makesure thattheoutlet pipework

protrudes through a Ø25 mm hole in the wall

or stud partition by approximately 40 mm.

Note! For stud partition installations where

access to the rear of the partition is possible,

ﬁt the RAC wallplate over the outlet pipework

on the inside of the partition.

For stud partition installations where access

to the rear of the wall is not possible, follow

instructions for solid wall installations, making

surethat suitablewall ﬁxings(notsupplied)are

used to secure the wallplate to the outside of

the stud partition.

40 mm

RAC Wallplate

(shown ﬁtted for rear

access stud partitions only)

Outlet Pipe to Fittings

Thermostatic

Mixing Valve

2. Temporarily cap off the outlet pipe, turn on the

water supplies and check for leaks.

3. Determine the ﬁnished wall position (e.g. tile

thickness). Turn off the water supply, carefully

uncap the outlet pipe and cut to length, the

outletpipe mustprotrudethrough theﬁnished

wall surface by 21–23 mm.

Note! Removeany burrsfrom thepipes before

proceeding.

4. For solid wall installations or stud partition

installations without rear access go to

instruction 9.

For stud partition installations with access

to the rear of the partition continue with

instruction 5.

5. Finish the wall (e.g. tiles).

Important! Refer to your shower control

installation and user guide.

Caution! Make sure that the ﬁnished wall

is within the maximum and minimum limits

and to an even depth (no greater than 2 mm

variation).

6. Place the RAC backplate over the outlet pipe

with the arrow pointing up. The screw holes

should be at 45° to the horizontal.

7. Mark the positions of the two RAC backplate

ﬁxing holes and drill the two 5.5 mm holes.

Caution! Make sure that you do not drill into

pipework in the wall.

8. Hold the RAC wallplate in position on the rear

ofthe partition,insert thetwobackplatescrews

andsecure theRACbackplatetothewallplate.

Makesurethatthefoam sealabutsthe ﬁnished

wall surface. Go to instruction 17.

RAC Backplate

Backplate

Screws

16.Place the backplate over the outlet pipe with

thearrowpointing verticallyupand tightenthe

twobackplate screws.Makesurethatthe foam

seal abuts the ﬁnished wall surface.

17.Check that the blue ‘O’seal is ﬁtted inside the

backplate nut. Fit the olive and the backplate

nut over the outlet pipe and tighten the nut.

18.Check that the second ‘O’seal (black) is ﬁtted

to the outside of the backplate nut. Press

the elbow onto the backplate, make sure

that the clips on the elbow engage with the

backplate.

19.Press the shroud over the elbow, make

sure that it engages with the lugs on the

backplate.

20.This completes the installation of the RAC

assembly, continue with the installation of the

EV Shower Fittings.

9. Loosely attach the RAC backplate to the RAC

wallplate, using the two backplate screws

provided.

10.Place the RAC backplate/wallplate assembly

over the outlet pipe with the arrow pointing

vertically up. The screw holes should be at

40° to the horizontal.

11.Mark the positions of the two RAC wallplate

ﬁxing holes.

Wallplate

RAC Backplate

Backplate Screws

Arrow

40°

11.Remove the assembly from the wall and

separate the backplate from the wallplate.

12.For solid walls drill two 6 mm holes for the

wall plugs. For other types of wall structure

alternative fixings may be required (not

supplied). If necessary, make a recess 6 mm

deep to accept the wallplate for ﬂush ﬁtting of

the outlet to the wall surface.

Caution! Make sure that you do not drill into

pipework in the wall.

13.Fit the two wall plugs supplied and secure

the wallplate to the wall with the two wallplate

screws.

14.Make sure that there is clearance behind the

wallplate and temporarily ﬁt the two backplate

screws into the wallplate. This will prevent

the ﬁxing holes from becoming blocked with

plaster or grout.

15.Finish the wall, e.g. tiles. then remove the two

backplate screws.

Important! Refer to your shower control

installation and user guide.

Caution! Make sure that the ﬁnished wall

is within the maximum and minimum limits

and to an even depth (no greater than 2 mm

variation).

RAC Backplate

Backplate

Screws

Olive

Backplate Nut

Elbow

Shroud

Mira Eco Shower Fittings

1. Decide on a suitable position for the slide bar

avoiding buried cables and pipes.

2. Important! The slide bar has an applicator

ﬁtted to one end to assist the assembly of

the slide bar through the clamp bracket (see

illustration). With the clamp bracket button

FULLY depressed carefully ease the slide

bar through the hole in the clamp bracket,

take care not to dislodge the constant friction

mechanism or friction pad.

3. Release the clamp bracket button. Remove

the applicator from the slide bar and store in

a safe place for future use.

4. Slide the hose retaining ring onto the slide bar

below the clamp bracket.

5. Make sure that the slots in the slide bar are

aligned with the lugs in the support and ﬁt the

two slide bar supports to the ends of the slide

bar. Make sure that each support is pushed

ﬁrmly home.

Note! If replacing an existing Mira Slide Bar

go to instruction 8.

6. Usingthe assembledslidebarandsupportsas

a template, mark the position of the two ﬁxing

holes using the centre slot.

Warning! Make sure that there are no buried

cables or pipes in the wall before drilling.

7. Drill the two 8 mm holes for the fixing

screws and insert the wall plugs supplied.

(Alternatively use proprietary cavity ﬁxings

for dry lined, stud partition, shower cubicle or

laminated panel walls).

8. Fix the bottom slide bar support to the wall

using the screw provided. Make sure that the

screw is fully tightened.

9. Loosely screw the top slide bar support to the

wall. Press ﬁrmly down on the top slide bar

support and, while continuing to apply force,

fully tighten the screw.

10.Fit the end caps to the slide bar supports.

11.Pass the flexible hose through the hose

retaining ring.

12.Screw the hose onto the showerhead and the

outlet of the shower control or RAC assembly

(Make sure the hose seals are ﬁtted) Do not

overtighten. Place the shower head into the

clamp bracket.

Clamp Bracket

Constant Friction

Mechanism and

Friction Pad

Applicator

Slide Bar

Wall Plug

Top Slide Bar Support

Fixing Screw

End Cap

Slide Bar

Clamp Bracket

Assembly

Hose Retaining

Ring

Slide Bar

Support Lug

Bottom Slide Bar

Support

End Cap

600

OPERATION

Changing the Spray Setting

The showerhead spray head has four different

spray actions:- Start, Soothe and Force.

1. Start

Turn the spray plate anticlockwise until it

‘clicks’ (one click from the eco setting). Water

will ﬂow from the outer set of holes.

2. Soothe

Turn the spray plate anticlockwise until it

‘clicks’(twoclicks from theecosetting). Water

will ﬂow from the large diameter holes.

3. Force

Turn the spray plate anticlockwise until it

‘clicks’ (three clicks from the eco setting).

Water will ﬂow from the inner set of holes.

Height and Direction Adjustment

Release Button

USER MAINTENANCE

If you require a Mira trained service engineer or

agent, refer to section: ‘Customer Services’.

Fault Diagnosis

Symptom:

No flow or low flow rate from shower

• ﬁttings.

Cause / Rectiﬁcation:

Spray plate blocked, clean or renew.

• Make sure that the hose is not blocked or• twisted.

Head of water below minimum required (Min

• supply pressure 0.5 Bar)

Problemwiththeshowercontrol, refertoyour

• shower control installation and user guide.

—————————————

Symptom:

Drip from the showerhead.

•

Cause / Rectiﬁcation:

A small amount of water may be retained in

• the showerhead after the shower control has

beenturnedoff.Thisis quitenormal,changing

the angle of the showerhead may vary the

draining time.

Problemwiththeshowercontrol, refertoyour

• shower control installation and user guide.

—————————————

Symptom:

Shower temperature changes when spray

• action is adjusted.

Cause / Rectiﬁcation:

Adjustingthe sprayaction changesthe ﬂowof

• water. This may affect some shower controls

and plumbing installations. To minimise

the effect make sure that the spray plate is

clean.

Cleaning

Many household cleaners contain abrasives and

chemical substances, and should not be used for

cleaning plated or plastic ﬁttings.

These ﬁnishes should be cleaned with a mild

washing up detergent or soap solution, and then

wiped dry using a soft cloth.

Use your thumb or a soft cloth to wipe any

limescale from the soft nozzles and the front

surface of the showerhead spray plate.

Important! The spray plate must be regularly

cleaned to make sure that the showerhead does

not become blocked.

Spray Plate Assembly - Internal

1. Remove the spray plate assembly.

2. Clean all the components with a stiff brush.

If necessary use a plastic kettle descalent

in accordance with the manufacturer's

instructions. Flush thoroughly with water

before the shower is used.

3. If necessary replace the 'O' seals. Refer to

section: Spare Parts.

4. Reﬁt the components in reverse order. Make

surethatthe 'O'sealsand theinnerand outer

nozzle retaining rings are ﬁtted correctly.

Showerhead

Body

Outer Nozzle

Ring Retainer

Inner Nozzle

Ring Retainer

Spray Plate

Assembly

Adjuster Ring

'O' Seals

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