20
Maintenance level access
• By pressing field no.
4
, you can activate the maintenance mode (Figure 10).
• A display menu with an inscription “code” in the filed CLOCK appears. Enter the
maintenance code (fields FN1, FN2, FN3, FN4, FN5 in FN6 for numbers 1, 2, 3, 4, 5,
6).
Fig. 12: Fields display
• If you do not press any field for 10 s, the programme returns to the start menu.
• If the code is incorrect, the programme returns to previous operation.
• If the code is correct, the first parameter appears on the display. The number on the
right is the serial number of the parameter and the field on the left is intended for its
value.
• The first parameter :00 is a version of a software code and serves information purposes
only.
• By pressing the right number (Field CLOCK in Figure 12) you proceed to the next
parameter.
Installation level (code: 1166)
After the first code entry for the installation level the programme allows access to the
following parameters:
:00
programme code
:21
fan speed
:27
low temperature mode
:39
interval setting for anti-legionella function activation
:45
temperature settings °C or °F
Fan speed settings (parameter :21)
• Select the parameter :21 and set the fan speed by pressing (
+
) or (
–
) (40% - 100%).
See the numerical value settings on the left side in field
5
. When the fan speed is set,
you can save the changes by waiting a few moments or by pressing no. 4.
