8
1478624-W2-A
Warning! This product does not allow for reversed inlets and will deliver
unstable temperatures if fitted incorrectly.
Installation
General
1.
Installation of the shower must be carried out in accordance with these
instructions by qualified, competent personnel.
2.
The plumbing installation must comply with all national or local water regulations
and all relevant building regulations, or any particular regulation or practice
specified by the local water supply company.
3.
Make sure all pressures and temperatures comply with the requirements of the
shower. See
‘Specifications’
. For Type 2 Valves, refer to supply conditions
given in the
TMV2 Requirements Manual (this is available to view or
download from our website www.mirashowers.com)
.
4.
Full bore/non restrictive servicing valves must be fitted in a readily accessible
position adjacent to the shower to facilitate maintenance of the shower.
DO NOT
use a valve with a loose washer plate (jumper) as this can lead to a
build up of static pressure.
5.
The product contains built in check valves.
DO NOT
install inlet check valves
as this can lead to a build up of static pressure and potential product damage
and leaking.
6.
DO NOT
apply excessive force to plumbing connections; always provide
mechanical support when making plumbing connections. Any soldered joints
should be made before connecting the shower.
7.
Pipework dead-legs should be kept to a minimum.
8.
DO NOT
install the shower unit in a position where access for maintenance is
restricted.
9.
The shower must be fitted to a waterproof, flat and even wall surface.
Decorative and mosaic tiles are not recommended in the area where the shower
is to be installed, as they may cause problems with sealing around the valve
and also effect product operation.
10.
The wall cavity must provide sufficient support for the shower unit. The 4 cavity
fixing screws (No. 10 x 2”) and wall plugs supplied are suitable for most solid
wall and stud partition installations. Use all 4 fixing points to secure the shower
unit, be sure to use fixings appropriate for the chosen wall structure. The front
concealing plate must be fitted to a waterproof, flat and even wall surface.
Suitable Plumbing Installations
The Thermostatic Mixer can be installed with all systems with balanced pressures.
Mixed gravity and mains supplies are not recommended.