Kohler Mira Moto Bedienungsanleitung

Mira Moto, Mira Pace†, Mira Minilite†and Mira Miniduo†

(†including Eco Models)

Thermostatic Mixers

These instructions must be left with the user

Installation and User Guide

For SPARES, ADVICE

or REPAIRS

Please call us on

0844 571 5000

(UK Only)

CONTENTS

Introduction 2

Type 2 Valves 2

Guarantee 3

Recommended Usage 3

Patents and Design Registration 3

Safety Warnings 3

Pack Contents 4

Exposed Thermostatic Mixers 4

Built-in Thermostatic Mixers 5

Valve Combinations 6

Specications 7

Installation 9

Suitable Plumbing Systems 9

General 9

Exposed Thermostatic Mixers 10

Adjustable Elbow Installation 13

Flow Regulators 19

Operation 22

Commissioning 23

Maximum Temperature Setting 23

Fault Diagnosis 24

User Maintenance 24

Filter Replacement 24

Lubricants 25

Cleaning 25

Accessories 25

Spare Parts 26

If you experience any difficulty with the

installation or operation of your new

thermostatic mixer, please refer to ‘Fault

Diagnosis’, before contacting Kohler Mira Ltd.

Our contact details can be found on the back

cover of this guide.

INTRODUCTION

Thank you for purchasing a quality Mira product. To

enjoy the full potential of your new product, please

take time to read this guide thoroughly, having

done so, keep it handy for future reference.

The Mira Moto, Mira Minilite and Mira Minilite Eco

are thermostatic mixers with a single control lever

for on/off and temperature control.

The Mira Pace, Mira Pace with Eco Showerhead,

Mira Pace with Adjustable Inlet Elbows, Mira

Miniduo and Mira Miniduo with Eco Showerhead

are thermostatic mixers with separate on/off and

temperature controls.

The thermostatic mixers incorporate a wax

capsule temperature sensing unit, which provides

an almost immediate response to changes in

pressures or temperature of the incoming water

supplies to maintain the selected temperature. An

adjustable maximum temperature stop is provided

which limits the temperature to a safe level.

Inlet lters are tted to protect the thermostatic

cartridge.

Type 2 Valves

These products have been certied as Type 2

valves under the BUILDCERT TMV2 scheme.

They also comply with the Water Supply (water

ttings) Regulations 1999.

For Type 2 Valves refer to the TMV2 Requirements

Manual.

Application

The approved designations for Type 2 Valves

are as follows:

Models Designation

Moto, Minilite LP-S, HP-S, HP-SE#

# the economy designation is achieved with the

tting of the outlet ow regulator.

Models Designation

Pace, Miniduo LP-S, HP-S

Important!Thettingofanyowregulatorto

Pace or Miniduo models will invalidate TMV2

compliance due to the minimum ow rate

requirements. Do not t ow regulators in

TMV2 applications to these models.

Guarantee

For domestic installations, Mira Showers

guarantee the products listed in this guide against

any defect in materials or workmanship for a

period of three years from the date of purchase

(shower ttings for one year).

For non-domestic installations, Mira Showers

guarantee the products listed in this guide against

any defect in materials or workmanship for a

period of one year from the date of purchase.

For terms and conditions refer to the back cover

of this guide.

Recommended Usage

Application Valve with

Fittings

Domestic ü

Light Commercial ü

Heavy Commercial û

Healthcare û

Patents and Design Registration

Patents:

GB: 2 291 693, 2 340 210, 2 392 225,

2 421 297

Euro: 1 672 257 DE, FR, GB, IT, NL, SE

USA: 7 240 850

Patent Applications:

Euro: 03254070.0

USA: 2006-0124758-A1, 2007-0221740-A1

Design Registration:

000793401-0005-00011

SAFETY WARNINGS

Mira thermostatic mixers are precision engineered

and should give continued safe and controlled

performance, provided:

1. They are installed, commissioned, operated and

maintained in accordance with manufacturer’s

recommendations.

2. Type 2 Valves are only used for applications

covered by their approved designations, refer

to the TMV2 Requirements Manual.

3. Periodic attention is given, when necessary,

to maintain the product in good functional

order.

Caution!

1. Read all of these instructions.

2. Retain this guide for later use.

3. Pass on this guide in the event of change of

ownership of the installation site.

4. Follow all warnings, cautions and instructions

contained in this guide.

5. Anyone who may have difculty understanding

or operating the controls of any shower should

be attended whilst showering. Particular

consideration should be given to the young,

the elderly, the inrm or anyone inexperienced

in the correct operation of the controls.

6. Rapid/Excessive movement of the ow and/

or temperature control levers may result in

momentary unstable blend temperatures.

7. Care is required when adjusting flow or

temperature, make sure that the temperature

has stabilised.

8. When this product has reached the end of its

serviceable life, it should be disposed of in a

safe manner, in accordance with current local

authority recycling, or waste disposal policy.

PACK CONTENTS

Tick the appropriate boxes to familiarise yourself

with the part names and to conrm that all of the

parts are included.

Exposed Thermostatic Mixers

q1 x Thermostatic Mixing Valve

Documentation

q1 x Guarantee Registration Document

q1 x Installation Template

q1 x TMV2 Requirements Manual

Component Pack

q2 x Concealing Plates

q2 x Compression Nuts

q2 x Olives

q2 x Wall Plugs

q2 x Fixing Screws

q1 x 2.5 mm Hexagonal Key

Mira Minilite EV or

Mira Minilite Eco EV

q1 x ‘O’ Key

q1 x Flow Regulator (refer to

section: ‘Flow Regulators’)

Mira Pace EV

Mira Pace with Adjustable Elbows

Mira Pace with Eco Showerhead EV

Mira Miniduo EV or

Mira Miniduo with Adjustable Elbows

Mira Miniduo with Eco Showerhead EV

Mira Moto EV

Component Pack

Mira Minilite BIV or

Mira Minilite Eco BIV

q3 x Compression Nuts

q3 x Olives

q5 x Wall Plugs

q5 x Fixing Screws

q1 x 2.5 mm Hexagonal Key

q1 x Concealing Plate

Assembly

Documentation

q1 x Guarantee Registration Document

q1 x Cardboard Building-in Shroud

q1 x TMV2 Requirements Manual

q1 x ‘O’ Key

q1 x Flow Regulator (refer to

section: ‘Flow Regulators’)

q1 x RAC Assembly

Mira Miniduo BIV or

Mira Miniduo with Eco Showerhead BIV or

Mira Miniduo with Eco Showerhead BIR

oror

Built-in Thermostatic Mixers

q1 x Thermostatic Mixing Valve

Mira Pace BIV

Valve Combinations

These thermostatic mixers are available with various shower ttings and water saving features, refer to

the table below to identify your mixer valve combination:

Mixer Valve Shower

Fittings

Flow Regulator

Flow Rate Colour Comments

Moto EV /

Minilite EV L14A 12 L/Min Red Supplied in the component pack, designed to

be tted in the shower valve outlet

Pace EV /

Miniduo EV L98B 12 L/Min Red Supplied in the component pack, designed to

be tted in the shower valve outlet

Minilite BIV L14A 12 L/Min Natural

Supplied in the component pack, designed

to be tted between the shower hose and

RAC assembly

Minilite Eco EV L14A 6 L/Min Black

Factory tted in the shower valve outlet

(optional 8 L/Min (white/natural) flow

regulator supplied separately in the

component pack)

Minilite Eco BIV L14A 6 L/Min Black

Factory tted in the RAC assembly (optional

8 L/Min (white/natural) flow regulator

supplied separately in the component pack)

Miniduo BIV L98B 12 L/Min Natural

Supplied in the component pack, designed

to be tted between the shower hose and

RAC assemblyPace BIV L14D

Pace EV with

Adjustable Elbows L14D 12 L/Min Red Supplied in the component pack, designed to

be tted in the shower valve outlet

Pace with Eco

Showerhead EV

L98B with Eco

Showerhead 7.0 L/Min Olive Green

Supplied in the component pack, designed

to be tted between the shower hose and

shower valve outlet

Miniduo with Eco

Showerhead EV

L98B with Eco

Showerhead 7.0 L/Min Olive Green

Supplied in the component pack, designed

to be tted between the shower hose and

shower valve outlet

Miniduo with Eco

Showerhead BIV

L98B with Eco

Showerhead 7.0 L/Min Olive Green

Supplied in the component pack, designed

to be tted between the shower hose and

RAC assembly

Miniduo with Eco

Showerhead BIR

Eco BIR

Showerhead 7.3 L/Min Bright

Green

Supplied with the Eco BIR shower head,

designed to be tted between the wall plate

and inlet nipple

Flow regulators are supplied for installation on high pressure systems (above 0.5 bar).

For gravity fed or other low pressure systems do not t the ow regulator.

The Mira Minilite Eco has a ow regulator factory tted in the shower valve outlet or RAC assembly,

on older combination boiler systems it may be necessary to replace this 6 L/Min ow regulator with the

8 L/Min ow regulator (supplied), in order to achieve the minimum ow rate required to ignite and run

the boiler.

Important! The tting of any ow regulator to Pace and Miniduo models will invalidate TMV2

compliance due to the minimum ow rate requirements. Do not t ow regulators in TMV2

applications to these models.

For further information on how and where to t the ow regulator, refer to section: ‘Flow Regulators’.

SPECIFICATIONS

For Type 2 Valves, the supply conditions

specified in the TMV2 Requirements Manual

take precedence over the operating parameters

which follow.

Pressures

• Max Static Pressure: 10 Bar.

• Max Maintained Pressure: 5 Bar.

• Min Maintained Pressure (Gravity System):

0.1 Bar (0.5 Bar for models with Eco

Showerhead). (0.1 bar = 1 Metre head from

cold tank base to showerhead outlet).

Note! For gravity fed or other low pressure

systems (0.5 bar or below) do not t the outlet

ow regulator (where applicable).

• For optimum performance supplies should be

nominally equal.

Temperatures

• Factory Pre-set (Blend) Shower: 41°C.

• Optimum Thermostatic Control Range: 35°C

to 43°C (achieved with supplies of 15°C cold,

65°C hot and nominally equal pressures).

• Recommended Hot Supply: 60°C to 65°C

Note! The mixing valve can operate at

higher temperatures for short periods without

damage, however this could detrimentally

affect thermostatic performance. For safety

and performance reasons it is recommended

that the maximum hot water temperature is

limited to 65°C.

• Cold Water Range: up to 25°C.

• Minimum Recommended Differential between

Hot Supply and Outlet Temperature: 12°C.

Thermostatic Shut-down

• For safety and comfort the thermostat will

shut off the mixing valve within 2 Seconds if

either supply fails (achieved only if the blend

temperature has a minimum differential of

12°C from either supply temperature).

Connections

• Inlets: 15 mm Compression.

• Outlet: ½” BSP Flat Face / 15 mm

Compression

• Standard connections are: hot - left, cold -

right, outlet - bottom (EV models), top (BIV

and BIR models).

Dimensions

Moto, Minilite and Minilite Eco EV

Ø46

See Note! below

(All dimension in millimetres)

113

Ø54

76.5

110

Flow Rates

Typical Flow Rates

Mira Miniduo with Mira L98B Shower Fittings:

Supply Pressure (bar)

Flow Rate (L/Min)

01 23

0.5 1.5 2.5 3.5 4.5

Minilite and Minilite Eco BIV

Pace, Miniduo BIV and Miniduo with Eco

Showerhead BIV / BIR

103

Ø183

56-76 39-59

56-76 53-73

Ø183

Miniduo and Pace with Adjustable Elbows

Ø46

76.5

133

153

Pipe Centres at extremes of elbow adjustment

Pace, Pace with Eco Showerhead, Miniduo and

Miniduo with Eco Showerhead EV

Note! If you are retro-tting your mixing valve onto

existing pipework, an Adjustable Elbow Pack is

available if required, refer to section: ‘Accessories’.

110

Ø46

See Note! below

125

Ø54

INSTALLATION

Suitable Plumbing Systems

Gravity Fed:

The thermostatic mixer must be fed from a cold

water cistern (usually tted in the loft space) and

a hot water cylinder (usually tted in the airing

cupboard) providing nominally equal pressures.

Mains Pressurised Instantaneous Hot Water

System (Combination Boiler):

The thermostatic mixer can be installed with

systems of this type with balanced pressures.

(Recommended Minimum Maintained Pressure:

1.0 Bar).

Note! On combination boiler systems we

recommend that the thermostatic mixer is

operated in the maximum ow position in order to

achieve the minimum ow rate required to ignite

and run the boiler.

Unvented Mains Pressure System:

The thermostatic mixer can be installed with an

unvented, stored hot water system.

Pumped System:

The thermostatic mixer can be installed with an

inlet pump (twin impeller). The pump must be

installed in a suitable location and in accordance

with its instructions.

General

Installation must be carried out in accordance

with these instructions, and must be conducted by

designated, qualied and competent personnel.

The installation must comply with the “Water

Supply Regulations 1999 (Water Fittings)” or any

particular regulations and practices, specied by

the local water company or water undertakers.

Note! Make sure that all site requirements

correspond to the information given in section:

‘Specications’. For Type 2 Valves see also

supply conditions in the TMV2 Requirements

Manual.

1. The Mixer must not be installed in an area

where it may freeze.

2. For stud partitions alternative xings may be

required.

3. Isolating valves must be installed close to the

Mixer for ease of maintenance.

4. Pipework must be rigidly supported and avoid

any strain on the connections.

5. Pipework dead-legs should be kept to a

minimum.

6. Decide on a suitable position for the Mixer.

The position of the Mixer and the Shower

Fittings must provide a minimum gap of 25 mm

between the spill-over level of the shower tray/

bath and the showerhead (refer to illustration).

This is to prevent back-siphonage. For further

information on the installation of your Shower

Fittings, refer to the Fittings Installation and

User Guide.

Note! Only use Shower Fittings recommended

by the manufacturer or supplier.

25 mm

Spill Over

Level

Exposed Thermostatic Mixers

For Built-in Thermostatic Mixers go to section:

‘Installation, Built-in Thermostatic Mixers’.

1. The thermostatic mixer can be installed with

rear, rising or falling supply inlets. Decide

on the most appropriate method for your

installation, and if necessary, loosen the

grubscrews and rotate the inlet elbows to

suit.

Important! Make sure that the elbows are

pushed fully onto the mixer before tightening

the grubscrews, do not overtighten.

2. Use the installation template to mark the

positions of the holes for the backplate and

the pipe centres.

For rising or falling supplies the pipe positions

should be set 39 mm from the centre of pipe

to the nished wall at 110 mm centres.

Note! If you are retro-tting your mixing valve

onto existing pipework, an Adjustable Elbow

Pack is available if required, refer to section:

‘Accessories’.

39 mm

3. For solid walls drill the holes for the backplate

with a 6 mm drill and insert the wall plugs

(supplied). For other types of wall structure

alternative fixings may be required (not

supplied).

6 mm Drill

Wall Plug

4. For Rear Entry Supplies Only:

a) Drill the holes for the supply pipes at

110 mm centres.

Note! Recess the inlet holes Ø19 mm x

2 mm deep to allow for the concealing

plates.

5. Fit the supply pipework: Hot - Left, Cold

- Right. The inlet pipework should extend

23 mm from the nished wall surface.

Note! If it is not possible to install the

mixer with this pipework conguration follow

instruction 6.

23 mm from nished

wall surface

Elbow

Recess Ø19 mm

x 2 mm deep

23 mm

110 mm

HOT

COLD

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