Mira GO 8.5 Owner's manual

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Maintenance Guide
Operation &B
Installation
ELECTRIC SHOWERS
THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER
8.5 kW
Temperature
Start
Stop

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Contents
Section Page
1 ..... Introduction ................................................................... 3
2 ..... Important Safety Information ........................................... 4
3 ..... Pack Contents Checklist.................................................. 7
4 ..... Dimensions ................................................................... 8
5 ..... Wiring Diagram ................................................................. 9
6 ..... Specifications ................................................................. 10
7 ..... Installation Requirements .............................................. 10
8 ..... Installation ................................................................. 14
9 ..... Commissioning............................................................... 17
10 ... Maintenance .................................................................... 19
11 ... Operation ......................................................................... 24
12 ... Fault Diagnosis ............................................................... 28
13 ... Notes ............................................................................... 33
14 ... Spare Parts ...................................................................... 34
Guarantee, Customer Care Policy, and How to contact us
.................................................................................... Backcover

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Section
1Introduction
If you experience any difficulty with the installation or operation of your new shower
control, then please refer to the Maintenance and Fault Diagnosis section, before
contacting Mira Showers. Our telephone and fax numbers can be found on the back
cover of this guide.
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.
A range of electric showers having separate controls for power selection and
temperature/flow adjustment. A unique flow regulator stabilises temperature changes
caused by water pressure fluctuations. These can result from taps being turned on or
off or toilets being flushed.
Mira Go 8.5 - A 8.5 kW 240 V AC heater with a Mira React adjustable spray handset
with three different spray actions (Start, Soothe and Force). Supplied complete with
flexible hose, adjustable clamp bracket assembly, soap dish, slide bar and supports
and hose retaining ring. Available in all white finish.

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1.9. In the unlikely event of any of the following conditions occurring, turn off the
electricity and water supplies and refer to “To contact us”, on the back page
of this guide.
1.9.1. If the cover is not correctly fitted and water has entered the appliance
case.
1.9.2. If the case or cover is damaged.
1.9.3. If the appliance begins to make an odd noise, smell or smoke.
1.9.4. If the appliance shows signs of a distinct change in performance,
indicating a need for maintenance.
1.9.5. If the appliance is frozen.
Section
2Important Safety Information
1. Warning!
1.1. Products manufactured by us are safe and without risk provided they are
installed, used and maintained in good working order in accordance with our
instructions and recommendations.
1.2. 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 appliance is intended to be
permanently connected to the fixed electrical wiring of the mains system.
1.3. DO NOT twist the individual cable cores of the live and neutral conductors, as
this will prevent them from entering the terminal block.
1.4. The shower unit must not be fitted where it may be exposed to freezing
conditions. Make sure that any pipework that could become frozen is properly
insulated.
1.5. DO NOT operate this appliance if it is frozen. Allow the appliance to thaw before
using again.
1.6. DO NOT operate this appliance if water leaks from the pressure relief valve
located on the heater tank. A service exchange heater tank will be required
before the appliance can be safely used.
1.7. DO NOT fit any form of outlet flow control as the outlet acts as a vent for the
heater tank body. Only Mira recommended outlet fittings should be used.
1.8. There are no user serviceable components beneath the cover of the Mira Go.
Only a competent tradesperson should remove the cover.

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2.6.1. Institute of Plumbing (IOP), throughout the UK.
2.6.2. National Association of Plumbing, Heating and Mechanical Services
Contractors (NAPH & MSC), England and Wales.
2.6.3. Scottish and Northern Ireland Plumbing Employers’ Federation (SNIPEF),
Scotland and Northern Ireland.
2. Caution!
2.1. Read all of these instructions and retain this guide for later use.
2.2. Pass on this guide in the event of change of ownership of the installation site.
2.3. Follow all warnings, cautions and instructions contained in this guide, and on
or inside the appliance.
2.4. The electrical installation must comply with the “Requirements for Electrical
Installations” (refer to Section 7) commonly referred to as the IEE Wiring
Regulations, or any particular regulations and practices, specified by the local
electricity supply company in force at the time of installation. The installation
should be carried out by an electrician or contractor who is registered, or is a
member of, an association such as:
2.5. This is a high power unit; it is essential to contact your electricity supply
company to ensure that the electricity supply is adequate for the purpose.
2.6. The plumbing installation must comply with UK Water Regulations/Bye-laws
(Scotland), Building Regulations or any particular regulations and practices,
specified by the local water company or water undertakers. The installation
should be carried out by a plumber or contractor who is registered, or is a
member of, an association such as:
2.4.1. National Inspection Council for Electrical Installation and Contracting
(NICEIC), throughout the UK.
2.4.2. The Electrical Contractors Association (ECA), England and Wales.
2.4.3. The Electrical Contractors Association of Scotland (ECAS).
1.10. Turn off the electrical and water supplies before removing the cover. The
electricity must be turned off at the mains and the appropriate circuit fuse
removed, if applicable.
Caution! Mains connections are exposed when the cover is removed.
1.11. Refer to the wiring diagram before making any electrical connections (refer to
Section 5).
1.12. Ensure all electrical connections are tight, to prevent overheating.