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Connections
Inlets: 3/4" BSP Male at 180 mm centres.
The connections, when viewed from the front, are: Hot – left, Cold – right.
Shower Outlet: 1/2" BSP Male.
Mira Excel BSM is a fully thermostatic bath and shower mixer with an integral flow
control and divertor. It is recommended that Mira Logic Shower fittings with a 1.25 m
hose are used with this mixer to optimise performance.
Weight
Mira Excel Thermostatic BSM = 6.3 Kg.
Temperature Control
Temperature selection range: full cold to full hot or max temperature limit.
Note! For your safety, the BSM is pre-set to a maximum temperature of 46°C for bath
fill. When diverting from bath fill to shower mode the maximum preset temperature
will be reduced by approximately 6°C. If you require bath fill at a hotter temperature
refer to section: 'Commissioning, Maximum Temperature Setting'.
Note! An increase in bath fill maximum preset temperature will increase the shower
mode maximum preset temperature. We recommend that you do not increase the
bath fill temperature above 48°C.
Warning! It is essential to check the maximum temperature during commissioning
as the setting will change with different supply conditions.
Thermostatic Temperature Control: 35°C - 49°C
Note! Shut down to seepage is only achieved if the hot supply is 12°C above the
blend temperature.
Flow Control
The mixer has an integral flow divertor. No other type of user accessible flow controller
should be fitted to the shower outlet. Flow regulators are fitted to the inlets and to the
shower outlet to control the flow at high pressures. For pressures below 1.0 bar it is
recommended that the flow regulators are removed, refer to section: 'Maintenance,
Flow Regulator Removal'.
SPECIFICATIONS
6
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