Heat Pump, Split System, Single Service, 3 phase
18 Maintenance Document 1394-1
3.2 Settings
Depending on their associated functions, the control
settings are not accessed at the same level. There
are 4 levels of access:
U: end-user level
I: commissioning level (installer start-up)
S: engineer level (specialist)
C: OEM level (manufacturer)
To get to the level of access desired:
• Press OK: you are now on the main menu
• Press the info key for 3s (pressing continuously)
• To select the desired level, turn the control knob
• Press OK to confirm: this takes you back to the
main menu, with the rights associated to that
level. If you exit the main menu by returning to
the main page, the access level goes back to U
(end-user level)
To adjust the various settings:
• From the main menu, after obtaining the desired
level
• turn the control knob to scroll the menu
• When the desired menu appears, press OK to
confirm
• Turn the control knob to adjust the setting
• Press OK to confirm the setting
If not setting has been made for 8 minutes, the
screen automatically returns to the basic display.
3.3 Operating Modes
Heat pumps are controlled according to the heating
curve principle, i.e., the setpoint temperature of the
heating circuit water is adjusted as a function of the
outdoor temperature.
In heating mode, the choice of the heating curve best
suited to the machine's operating conditions can be
made automatically by the machine (auto-adapt) or
adjusted manually by the installation technician
(Settings 720, 721 and 726).
3.3.1 Manual Adjustment
During installation the heating curve must be defined
according to the emitters and the home's insulation.
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