10
USER MAINTENANCE
If you require a Mira trained service engineer or
agent, refer to section:
‘Customer Services’
.
Fault Diagnosis
Symptom:
•
Only hot or cold water from the mixer outlet.
•
Outlet temperature too hot / too cold.
Cause / Rectification:
•
Inlets reversed (hot supply to cold supply).
•
No hot water reaching mixer.
•
Check the filters for any blockage.
•
Installation conditions outside operating
parameters, refer to sections:
‘Specifications’
and
‘Commissioning’
.
•
If the temperature is too cold and you have
a combination type boiler it may not be
producing sufficiently hot water at desired
flow rate (refer to
‘Specifications’
). Fit flow
regulator (supplied) to shower valve outlet.
For more information contact Mira Showers
or visit the website.
—————————————
Symptom:
•
Fluctuating or reduced flow rate.
Cause / Rectification:
•
Check the showerhead, hose and filters for
any blockage.
•
Make sure that the maintained inlet pressures
are nominally balanced and sufficient, refer
to section:
‘Specifications’
.
•
Make sure that the inlet temperature
differentials are sufficient, refer to section:
‘Specifications’
.
•
Flow regulator fitted incorrectly.
•
Air lock or partial blockage in the pipework.
—————————————
Symptom:
•
Water leaking from showerhead.
Cause / Rectification:
•
Normal for a short period after shut off.
•
Check that the pressures are not in excess of
the specifications for the product.
•
Renew the thermostatic cartridge.
Lubricants
Silicone based lubricants must only be used on
the rubber seals.
Caution!
Oil based or other lubricant types may
cause rapid deterioration of seals.
Cleaning
The chrome plated parts should be cleaned using
a mild washing up detergent or soap solution,
rinsed and then wiped dry with a soft cloth.
Warning!
Many household cleaners contain
abrasive and chemical substances, and should
not be used for cleaning plated or plastic fittings.
Do not
use descalents on this product.
In-service Tests
The principal means for determining the continuing
satisfactory performance of the mixing valve is the
in-service test, refer to the TMV2 Requirements
Manual.
Frequency of In-service Tests - Commercial
(non-domestic installations)
Check for correct blend setting every 6 months.
ACCESSORIES
Genuine Mira accessories can be purchased
direct from Mira Customer Services (our contact
details can be found on the back cover of this
guide) or from approved stockists or merchants.
Adjustable Elbow Pack
Chrome - 1.1663.012
The Mira Adjustable Elbow Pack
allows the Mira ‘mini valves’ to be
retro-fitted in place of an existing
shower - no need to re-plumb or
re-tile.
