Mira Advance Installation, Operation, Maintenance Manual page 13

1.6. 1.6. Do not install the Mira Advance in a position where it may become Do not install the Mira Advance in a position where it may become
1.6. 1.6. Do not install the Mira Advance in a position where it may become 1.6. Do not install the Mira Advance in a position where it may become Do not install the Mira Advance in a position where it may become
frozen. frozen.
frozen. frozen. frozen. The shower unit must not be fitted where it may be exposed to
freezing conditions. Do not operate the unit if suspected of being frozen.
1.7. When installing the inlet connector for back inlet supply (refer to Installation 1.7. 1.7.
1.7. 1.7.
connection, it is advisable to seal around the incoming mains-fed supply to
prevent water ingress into the wall.
1.8. 1.8.
1.8. 1.8. We recommend that a non-restrictive (free flowing) isolating valve is fitted in the 1.8.
cold water supply pipe to allow the complete maintenance of the Mira Sport. Do
not not use a valve with a loose washer plate (jumper) as this can lead to a build up not
not not
of static pressures.
1.9. 1.9. 1.9. The Mira Advance is fitted with a 1/2" BSP male outlet thread, to accept a Mira 1.9. 1.9.
shower hose.
1.10. 1.10. Refrain from applying excessive force when making any connections. Always 1.10.
1.10. 1.10.
provide mechanical support when making the plumbing connections.
1.11. 1.11. 1.11. To avoid damage to the case when soldered fittings are used, pre-solder the 1.11. 1.11.
pipework and fittings before connecting them to the inlet connector assembly.
Note! Supply pipework MUST be flushed to clear debris before connecting the Note! Note!
Note! Note!
Mira Advance. Debris will reduce the performance of the unit
1.12. When installed in very hard water areas (above 200 ppm temporary 1.12. 1.12. 1.12. 1.12.
hardness) your installer may advise the installation of a water treatment
device, to reduce the effects of limescale formation. Mira Sport malfunction
due to excessive limescale formation is not covered by the manufacturer's
guarantee. Your local water company will be able to advise the hardness of
water in your area.
1.13. 1.13. 1.13. A hose retaining ring is supplied to prevent the handset from dropping below 1.13. 1.13.
the spillover level of the bath or shower, which could lead to contamination
from backsiphonage (refer to Figure 2). The supplied hose retaining ring
should meet the great majority of user requirements for shower installations
with flexible outlet fittings. However, there will be occasions when the hose
retaining ring will not provide a suitable solution. In these instances an
outlet outlet outlet outlet double checkvalve, e.g. the Mira DCV-H, must outlet
inclusion of the Mira DCV-H will increase the required supply pressure
typically by 0.1 bar.
Double checkvalves, fitted in the inlet supply to the appliance, cause a
pressure buildup, which could exceed the maximum static inlet pressure for
the appliance.
1.14. 1.14.
1.14. 1.14. Avoid layouts where the shower hose will be sharply kinked. This may reduce the 1.14.
life of the hose.
Debris will reduce the performance of the unit Debris will reduce the performance of the unit. Debris will reduce the performance of the unit Debris will reduce the performance of the unit
Installation Installation) Installation
Installation
must be fitted. The must must must
Do Do Do
Do
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