Kohler Thermostatic Electric Shower Bedienungsanleitung

These instructions are to be left with the user

Installation & User Guide

Mira Azora Thermostatic Electric Shower

Contents

Introduction................................................................................................3

Important Safety Information .....................................................................4

Pack Contents Checklist ...........................................................................6

Specications ............................................................................................8

Installation Requirements..........................................................................8

Installation ............................................................................................... 11

Commissioning........................................................................................17

User Instructions ..................................................................................... 19

Fault Diagnosis........................................................................................21

Maintenance............................................................................................23

Mira Azora Spare Parts List.....................................................................26

Accessories..............................................................................................26

Mira Energise Shower Fittings Spare Parts List......................................28

Dimensions..............................................................................................29

Wiring Diagram........................................................................................30

Customer Services .................................................................................. 31

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 Azora is a thermostatic electric shower with separate controls for power

selection and temperature/ow adjustment. A unique thermostatic valve stabilizes

temperature changes caused by water pressure uctuations. These can result

from taps being turned on or off, or a toilet being ushed. An individual light indi-

cates “ON/OFF”.

The Mira Azora comes complete with a set of Mira Energise Shower Fittings.

Mira Azora 9.8 kW

A 9.8 kW 240 V AC (9.0 kW 230 V AC) heater with Mira Azora adjustable spray

handset with four different spray actions (start, soothe, force and eco*). Supplied

complete with exible hose, clamp bracket assembly, slide bar, supports, hose

retaining ring and soap dish. Available in a satin chrome and glass nish.

* The eco setting reduces the water ow to give economical use of water, whilst

still giving an adequate shower performance. This setting performs best with most

gravity, pumped, and mains pressure unvented systems. On electric showers and

some combination boiler systems the economy setting will have no effect, and will

give the same spray action as the start setting.

Patents and Design Registration

If you experience any difculty with the installation or operation of your new

shower, then please refer to the Fault Diagnosis section, before contacting

Kohler Mira Ltd. Our telephone and fax numbers can be found on the back

cover of this guide.

Design Registration: 000578463-001-002

Patents: GB2341667, Ireland 82835

Patent Applications: GB0612240.2, GB0415901.8, Ireland 2006/0462

Important Safety Information

Warning!

Follow all warnings, cautions and instructions contained in this guide, and

on or inside the appliance.

1. Products manufactured by us are safe and risk-free, provided that they are

installed, used and maintained in good working order, in accordance with our

instructions and recommendations.

2. Isolate the electrical and water supplies before commencing installation. The

electricity must be turned off at the mains and the appropriate circuit fuse

removed, if applicable.

3. Mains connections are exposed when the cover is removed.

4. Refer to the wiring diagram before making any electrical connections (see

internal wiring diagram at the back of the book).

5. Make sure that any pipework that could become frozen is properly insulated.

6. Having completed the installation, make sure that the user is familiar with the

operation of the appliance.

7. Make sure that this guide is left with the user.

8. DO NOT commission this appliance if water leaks from the unit or the heater

tank pressure relief valve.

9. DO NOT t any form of outlet control (e.g. Trigger handset) as the outlet acts

as a vent for the tank body. Only Mira recommended outlet ttings should be

used.

10. Ensure all electrical connections are tight, to prevent overheating.

11. Warning! DO NOT operate this appliance if it is frozen. Allow the appliance to

thaw before using. The shower unit must not be tted where it may be exposed

to freezing conditions.

12. This product is not suitable for areas with high humidity (i.e. steam rooms).

Please consult your installer.

13. THIS APPLIANCE MUST BE EARTHED. ENSURE SUPPLEMENTARY

BONDING COMPLIES WITH THE “REQUIREMENTS FOR ELECTRICAL

INSTALLATIONS”.

In accordance with the current edition of “The Plugs and Sockets etc. (Safety)

Regulations” in force at the time of installation, this Mira Escape is intended to

be permanently connected to the xed electrical wiring of the mains system.

Installation must be carried out in accordance with these instructions, and

must be conducted by designated, qualied and competent personnel.

Caution!

1. Read all of these instructions and retain this guide for later use.

2. The electrical installation must comply to “BS 7671 - Requirements for Electrical

Installations”, commonly referred to as the IEE Wiring Regulations - Part 7, or

any particular regulations and practices, specied by the local electricity supply

company.

3. The plumbing installation must comply with the requirements of UK Water

Regulations/Bye-laws (Scotland), Building Regulations or any particular

regulations and practices, specified by the local water company or water

undertakers.

4. Make sure that you fully understand how to operate this shower and make sure

that it is properly maintained in accordance with the instructions given in this

manual.

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, the disabled, anyone who suffers from

a medical condition that can result in temporary incapacity (e.g. epilepsy

or blackouts), anyone inexperienced in the correct operation of the

controls.

6. Sunburn or skin conditions can increase your sensitivity to hot water. Make sure

that you set the shower to a cooler temperature.

7. If any of the following conditions occur, isolate the electricity and water supplies

and refer to ”Customer Services”, in the back page of this guide.

• If the cover is not correctly tted and water has entered the

appliance case.

• If the case is damaged.

• If the appliance begins to make an odd noise, smell or smoke.

• If the appliance shows signs of a distinct change in performance,

indicating a need for maintenance.

• DO NOT operate if water leaks from the appliance.

8. When this appliance 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 Checklist

Mira Azora

Tick the appropriate boxes to familiarise yourself with the part names and to

conrm that the parts are included.

3 x Wall Plugs

3 x Fixing Screws

1 x Mira Azora

1 x Installation and User Guide

1 x Installation Template

1 x Installer Checklist

1 x Guarantee Card

Documentation

1 x Compression Nut

1 x Olive

Mira Energise Electric Shower Fittings

Tick the appropriate boxes to familiarise yourself with the part names and to con-

rm that the parts are included.

2 x Wall Plugs

1 x Slide Bar 1 x Flexible Hose

1 x Handset

2 x Hose Seals

1 x Clamp Bracket

Assembly

1 x Soap Dish

1 x Hose Retaining

Ring

2 x End Plugs

2 x Fixing Screws

1 x Installation and User Guide

Documentation

2 x End Supports

2 x Slide Bar Ends

Installation Requirements

1. Plumbing

Minimum maintained inlet pressure 70 kPa (0.7 bar).

100 kPa (1.0 bar) recommended for satisfactory operation.

Maximum static inlet pressure 1000 kPa (10 bar).

Minimum static pressure 20 kPa (0.2 bar) to keep the inlet valve closed.

2. Electrical

The Mira Azora 9.8 kW requires a 45 Amp fuse.

The terminal block will accept cable up to 16 mm2 .

3. Standards and Approvals

The Mira Azora complies with all relevant directives for CE marking.

1. Plumbing

Specications

The appliance is designed to operate with a minimum maintained inlet

pressure of 0.7 bar up to a maximum static inlet pressure of 10 bar.

When installed in very hard water areas (above 200 ppm temporary

hardness) your installer may advise the installation of a water treatment

device, to reduce the effects of limescale formation. Your local water

company will be able to advise the hardness of water in your area.

It is recommended that a non-restrictive (free owing) isolating valve

is tted in the cold water supply pipe to allow the complete maintenance

of the appliance. Do not use a valve with a loose washer plate (jumper)

as this can lead to a build up of static pressures.

The appliance is suitable for installation within the shower area. It is tted

with a pressure relief device and must be positioned over a water

catchment area with the controls at a convenient height for all users.

The appliance must be tted on to a nished at and even wall surface

(this wall surface should be tiled or waterproofed). Do not t the

appliance to the wall and tile up to the case. For safety requirements, an

air gap must be left behind the appliance.

Avoid layouts where the shower hose will be sharply kinked. This may

reduce the life of the hose.

A Hose Retaining Ring is supplied to prevent the handset from dropping

below the spill-over level of the bath or shower tray, which

could lead to contamination from back-siphoning. The supplied Hose

Retaining Ring should meet the majority of user requirements for

shower installations with exible outlet ttings. However, there will be

occasions when it will not provide a suitable solution. In these instances

an outlet double checkvalve, e.g. a Mira DCV-H, must be tted. This

will increase the required supply pressure typically by 0.1 bar (see section

“Accessories”).

Supply pipework must be ushed to clear debris before connecting to

the appliance.

To avoid damage to the case when soldered ttings are used, pre-solder

the pipework and ttings before connecting them to the inlet connector

assembly. Refrain from applying excessive force when making any

connections. Always provide mechanical support when making the

plumbing connections.

The appliance is tted with a brass inlet compression assembly for

connecting to a 15mm supply pipe from the top, bottom or back. Double

checkvalves, if tted in the inlet supply to the appliance, can cause a

pressure build-up, which could exceed the maximum static inlet pressure

and damage the appliance.

Isolating Valve

Avoid Sharp Kinks

Convenient height

for all the family

25 mm Min

Bath Shower Tray

Fixed to nished

wall surface

Minimum

200mm from

ceiling

Hose Retaining Ring

In a domestic installation, the rating of the electricity supplier’s fuse and

the consumer unit must be adequate for the additional demand. All Mira

electric showers are high power units, it is essential to contact your

electricity supplier to ensure that the supply is adequate for the product.

Voltage drop due to local heavy demand will reduce the shower’s

performance.

The appliance must be earthed by connecting the supply-cable earth

conductor to the earth terminal.

Supplementary bonding: Within the bathroom or shower room, all

accessible conductive parts of electrical equipment and extraneous

conductive parts (metal parts) that are likely to introduce earth potential,

must be electrically bonded to earth using a minimum cable size of

4.0mm2if the cable is not mechanically protected, (2.5 mm2if

mechanically protected).

The minimum cable size (cross-sectional area) required should be in

accordance with BS 7671.

As a guide only, and in accordance with BS 7671 we recommend close

circuit protection: i.e. 9.8 kW = 45 Amp

It is strongly recommended that a 30 mA Residual Current Device (RCD)

is included in the electrical circuit. This may be part of the consumer unit

or a separate unit.

A separate, permanently connected supply must be taken from the

consumer unit to the appliance through a double-pole switch, which has

at least 3 mm of contact separation. The switch can be a ceiling mounted

pullcord type within the shower room, or a wall mounted switch in an

adjacent room.

DO NOT twist the individual cable cores of either the live or neutral

conductors, as this will prevent them from entering the terminal block.

DO NOT exert strain on the terminal block. Ensure that the electrical

connections are tightly screwed down.

DO NOT turn-on the electrical supply until the plumbing has been

completed.

2. Electrical

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