Important Installation Considerations
The digital mixing valve should not be installed where it can become frozen or be subjected to ambient temperatures in
excess of 122ºF (50ºC).
NOTE: Do not use any type of jointing paste or compound on any pipework or fittings supplying the digital shower
valve. These can build up within the product and reduce the performance or cause early failure.
Position the digital mixing valve and power supply so that there is enough room for maintenance (for example, removal
of digital mixing valve lid and removal of the inlet pipework to access the inlet filters) and verify that safe and easy access
is available at all times.
NOTE: The inlet pipework must be flexible enough to allow 1" (25 mm) movement to enable filters to be removed for
cleaning and for maintenance of the internal components. Failure to achieve this may result in service and repair not
being able to be carried out.
Supply pipework layout must be arranged to minimize the effect of other outlet usage as shared water supplies may
reduce its flow performance upon the dynamic pressures at the digital mixing valve inlets.
Avoid installations where air locking could occur.
To eliminate pipe debris, it is essential that water supply pipes must be flushed before connecting the digital mixing valve
to the system so debris cannot enter the digital mixing valve internals.
Fully commission the product after installation taking care to look for any leaks and correct operation.
The use of supply-line or zone strainers will reduce the need to remove debris at the digital mixing valve. The
recommended maximum mesh aperture dimension for such strainers is 1/64" (0.5 mm).
Pipework must be rigidly supported and routed such that it does not cause any strain on the connectors.
Long outlet pipework (dead-legs) should be kept to a minimum to avoid temperature fluctuations.
Cables routed through wall cavities, chased into solid walls, directed under baths or in loft spaces must be fitted in such a
way that they can later be removed. To facilitate this, appropriate cable conduit/trunking must be used at all times. The
conduit/trunking must be at least 13/16" (20 mm) diameter/square to allow for the safe removal of the connectors. Failure
to do so may result in an inability to carry out any maintenance or servicing. Safe and easy access to the product should
be available at all times.
The product has integral check valves for the purpose of backflow prevention. These can be replaced if required by
following the instructions at the end of this guide.
1430528-W2-
A
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Kohler Co.
