8
SPECIFICATIONS
Operating Parameters
For Type 2 valves, the supply conditions specifi ed in section: “Type 2 Valves -
Application” take precedence over the operating parameters which follow.
Pressures
Maximum Static Pressure: 10 bar.
Maximum Maintained Pressure: 5 bar.
Minimum Maintained Pressure (Gas Water Heater): 1.0 bar.
Minimum Maintained Pressure (Gravity System): 0.1 bar.
(0.1 bar = 1 metre head from the base of the cold tank to the outlet of the shower
handset.)
Note! For optimum performance the inlet pressures should be nominally equal and
should not exceed 3:1, in favour of either supply, during fl ow.
Temperatures
Factory Preset Shower Blend Temperature: 43 °C.
Optimum Thermostatic Control Range: 35 °C - 45 °C.
(Achieved with supplies of 15 °C cold, 65 °C hot and nominally equal pressures.)
Maximum Hot Supply: 85 °C.
Recommended Hot Supply: 60 °C - 65 °C.
Minimum differential between Hot Supply and set Blend Temperature: 10 °C.
Cold Water Range: 1 °C - 20 °C.
Note! BS:6700 recommends that the temperature of stored hot water should never
exceed 65 °C. A temperature of 60 °C is considered suffi cient to meet all normal
requirements and will minimise the build up of scale in hard water areas.
Connections
Exposed Mixer:
Inlets: 15 mm Compression, Hot - Left, Cold - Right.
Outlet: ½” BSP Flat Face, Bottom - Outlet.
Built-in Mixer:
Inlets: 15 mm Compression, Hot - Left, Cold - Right.
Outlet: 15 mm Compression, Top - Outlet.
If reversed inlets are required refer to section: “Reversed Inlet Supplies.”
Thermostatic Shut-down
For safety, the thermostat will shut off the Hot Supply within 2 Seconds if the Cold
Supply Fails. (Achieved only if the hot supply temperature is greater than 10°C above
the set blend temperature.)
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