Quartz Digital Concealed installation instructions Page 5
Installation of Digital pumped processor (for gravity stored systems)
The Quartz Digital pumped shower system is designed to operate up to maximum static pressure of 100kPa
((1 bar)(10 metres head)(14.5psi)).
Under no circumstances must the pumped processor be connected directly to the water main or in line with
another booster pump.
The minimum actual capacity of the cold water storage cistern should be not less than 225 litres (50 gallons).
The capacity of the hot water cylinder must be capable of meeting anticipated demand.
Installation of Digital standard processor (for balanced high pressure and
unvented systems, combination boiler systems and separately pumped
gravity systems)
Pressures: The Quartz Digital standard shower system is designed to operate up to a maximum static pressure of
700kPa ((7 bar)(100psi)). Where pressures are likely to exceed 700kPa ((7 bar)(100psi)), a pressure reducing valve
must be fitted to the incoming mains supply. A setting of 400kPa ((4 bar)(60psi)) is recommended. It should be
noted that daytime pressures approaching 600kPa ((6 bar)(80psi)) can rise above the stated maximum overnight.
Special notes for combination boiler systems
The appliance must have a minimum domestic hot water rating of 24kW (80,000BTU) and be of the type fitted with
a fully modulating gas valve.
If in any doubt, please contact the appliance manufacturer before installation commences.
PLEASE OTE: DUE TO PERFORMA CE CHARACTERISTICS OF COMBI ATIO BOILERS, THE SHOWER FLOW RATE
MAY VARY WITH CHA GES TO THE MAI I LET TEMPERATURE. I LET TEMPERATURE CHA GE MAY ALSO CAUSE
THE DIGITAL CO TROLLER TO FLASH. THIS IS OT ECESSARILY CHA GI G THE OUTLET TEMPERATURE.
DUE TO THE PERFORMA CE CHARACTERISTICS OF COMBI ATIO BOILERS, THE OPERATIO OF THE ‘BOOST’
BUTTO O THE SHOWER CO TROLLER MAY OT OFFER A SIG IFICA T I CREASE I FLOW RATE.
Special notes for separately pumped gravity systems
We recommend a twin ended pump with a MI IMUM pump rating of 1.5 bar. For optimum performance a twin
ended 2.5 bar pump should be used.
The minimum actual capacity of the cold water storage cistern should be not less than 225 litres (50 gallons).
The capacity of the hot water cylinder must be capable of meeting the anticipated demand.
THIS PRODUCT IS OT SUITABLE FOR USE WITH A SI GLE E DED PUMP.
Connections
This product incorporates ‘push-fit’ type connections. Tube should be cut using a rotary type cutter and lubricated
using a silicone-based lubricant or petroleum jelly (Vaseline or similar) prior to insertion into the fitting.
If plastic pipe is used, the tube insert must not increase the tube diameter or extend the cut-off length by more
than 2mm.
TO MAXIMISE FLOW RATES WE RECOMME D USI G COPPER PIPE WITH THE MI IMUM AMOU T OF ELBOWS.
