7
5
Section
Installation Requirements
1. General
Read the section
"Important Safety Information"
first.
1.1.
Supply pipework
MUST
be flushed to clear debris before connecting the shower
control.
1.2. Do not
fit any form of flow control in the outlet pipework.
1.3. Do not
install the product in a position where it could become frozen.
1.4.
Layout and sizing of pipework must be such that when other services are used,
pressures at the shower control do not fall below the recommended minimum,
or outside the
5:1
pressure loss ratio.
1.5.
Conveniently situated isolating valves
MUST
be fitted for servicing purposes.
1.6.
If the shower control is to be used with a multipoint water heater, combination
boiler, thermal store or unvented system an expansion vessel must be fitted to
accommodate the expansion of water in the domestic hot water supply (this
may already be part of the system, check with the appliance manufacturer).
1.7. Do not
use excessive force when making connections.
1.8. Do not
install the shower control in a position that restricts service access.
2. Typical suitable installations
Key to symbols
5
Float operated valve
Stop or servicing valve
Shower control
Warning or overflow pipe
Drop tight pressure reducing valve
(PRV)
Twin impeller inlet pump
Single impeller outlet pump
Tempering valve
Mini expansion vessel
Non-return Valve