Introduction - Mira Gem 88 Installation & User Manual

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 Mira 1/2" manual shower controls which provide independent selection of
spray force and temperature. The Mira Gem 88 is available with a choice of surface
mounted and built-in models.
The Mira Gem 88 is not a thermostatic shower control and does not sense supply
temperature or pressure variations. Therefore, inlet water temperatures and pressures
especially the hot, should be relatively constant in order to maintain a stable showering
temperature.
The Mira Gem 88 is suitable for installation with the following packages:-
- Gravity fed systems (balanced pressure hot and cold)
- Pumped systems (balanced pressure hot and cold)
- Unvented thermal store * (balanced pressure hot and cold)
- Unvented systems * (balanced pressure hot and cold)
* Fitted with a pressure reducing valve (PRV) recommended to be set at 3.5 bar.
The Mira Gem 88 is not suitable for mains pressure (cold) with gravity pressure
(hot) or combination boilers/instantaneous water heaters.
Shower controls covered by this guide:
Mira Gem 88
Surface mounted shower control for connection to exposed pipework.
Chrome or white colour models are available.
The Mira Gem 88 is designed to be fitted with the pipe centres set at a distance of
153 mm for rear supply connection and the pipes centre set at a distance of 151 mm
for rising / falling pipes connection (See the installation template provided).
If the Mira Gem is replacing an existing shower, the distance between the pipe centres
can vary from 149 to 154 mm to facilitate the installation.
Mira Gem 88 B
Built-in shower control for connection to concealed pipework.
Chrome or white colour models are available.
If you experience any difficulty with the installation or operation of your new shower
control, then please refer to "Fault Diagnosis", before contacting Kohler Mira Limited.
Our telephone and fax numbers can be found on the back cover of this guide.

INTRODUCTION

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