M01W45H6-06
WSAT-SC
75C-180F
- CONTROL -
35
SET-POINT CORRECTIONS
The correction aim is to optimize the unit energetic efficiency.
To do this the corrections modify the set point in a dynamic way in function of determined variables: for example in
summer operating with low external temperatures, so with a reduced charge, is possible to obtain the internal comfort
also with set point higher than standard, obtaining an higher energetic efficiency.
The static set point can so be modified in a dynamic way by two CORRECTIONS based on as many unit external
factors:
• correction based on the ext. temp. / enthalpy
• correction based on the Water reset (4-20 mA signal provided by the Client)
The correct set point, to whom have been summed or removed the corrections, is named ACTUAL set-point and it is
visible at status n°2.
For further details see the ELECTRICAL CONNECTIONS section.
MAINTENANCE SET POINT
It can be used to maintain the installation inside the working limits, even if the unit is deactivated.
The MAINTENANCE Set Point checks the water temperature when the unit is put on OFF or Stand-by.
To do this, it periodically activates the circulation pump, tests the water temperature and even activates one or more
compressors.
Access reserved to the assistance centres.
MENU
NUM Parameter name meaning
25 MantCoolEn It enables Summer Maintenance
PARAMETER
CONTROL
MAINTENANCE
114 SetMantCool Summer maintenance set-point
DEMAND LIMIT
The DEMAND LIMIT function allows to limit the capacity to be delivered to the system for the purpose of limiting the
power input of the unit; all according to a signal outside the unit made available by the customer.
On STATUS menu, num 22, the DEMAND LIMIT external signal is displayed.
For other details see the ELECTRICAL CONNECTIONS section.
SECOND SET-POINT
The secondary set point is activated by remote authorization (see the ELECTRICAL CONNECTIONS chapter).
It is possible to limit the minimum power which can be delivered during the time in which the secondary set point is
activated by configuring the 276 MinPot2Set parameter (access reserved to the assistance centres).
TIMETABLES
The system is factory equipped with a clock function, found on the board.
By activating the timetables, it is possible to set up to 6 events for each day of the week.
If there is also a remote keyboard, the operations relative to the time and the date must be repeated on both keyboards,
so that the two clocks (which are different) are synchronized.
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