Menu Structure; Descriptio N O F T H E P A R A Me T E R S A N D S C R E E N P A G E S - Italtecnica Sirio SR23251 Serie Instrucciones Para El Uso

MENU STRUCTURE
DESCRIPTION OF THE PARAMETERS AND SCREEN PAGES
USER PARAMETERS:
These parameters are accessible when the device is on.
fill the pump the first time it is switched on). P r e s s t h e " -" b u t t o n t o d i s p l a y t h e a b s o r p t i o n o f t h e m o t o r .
max. pump head, the motor will always stop when the cocks are closed as the Sirio switches off the pump
when the flow rate of the water running through it drops below the minimum settings (approx. 2
litres/minute), regardless of the pressure reached in the system. Use the + and –buttons to alter the
parameter setting.
Main screen page: when the Sirio is in the standard operation mode, the
first line on the display shows the instant pressure reading; the second line
contains a bar chart showing the motor speed as a percentage. In this
mode, the user can scroll through the various menus using the cursor
buttons, or switch to stand-b y b y p r e s s i n g t h e " o n -o f f " b u t t o n i n t h e c e n t r e .
When the Sirio is in stand-by, the pump will not start up even if the
p r e s s u r e d r o p s b e l o w t h e " P m i n " v a l u e s e t . T o q u i t s t a n d -by, press the
button in the centre again.
I f t h e " + " b u t t o n i s h e l d d o w n , t h e p u m p i s b r o u g h t u p t o t h e m a x i m u m
operating speed, overriding the dry running protection (use this function to
Pmax: this parameter can be used to set the device set-point. This is the
constant pressure value the user wishes to set for the system (max.
pressure). When it is operating, the Sirio regulates the motor pump speed
to suit it to the actual output required by the user appliances, thereby
keeping the system pressure constant. If the Pmax is set to higher than the
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