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Setting the anti-legionella activation fre-
quency
• Enter "programming mode" by following the
procedure indicated in "Accessing the "pro-
gramming mode"" on page 37.
• Press button 11 or 12 to scroll through the
various parameters until you reach A33 (An-
ti-legionella function activation frequency)
(days) (Figure 5.36). The value can be set
from 00 (no activation) to a maximum of 30
(the process activates every 30 days).
Figure 5.36
• Press button 15 (Figure 5.28) to view the
A33 on the display (factory default setting
03) = Anti-legionella function activates every
three days (Figure 5.37).
Figure 5.37
• Press button 14 or 15 to change the value
of parameter A33. Press button 11 or 12 to
confirm the value entered and return to the
list of parameters.
• Press button 16 to exit "programming mode".
This function is activated 6 hours after be-
ing set.
- 40 -
INSTALLATION
RESET
bar
RESET
bar
5.14 Electrical connection of the re-
mote control (optional)
Use the ambient thermostat cable marked
with a label indicated in Figure 5.26 to connect
the remote.
5.15 Enabling of operation with re-
mote control (optional)
The boiler leaves the factory with a room ther-
mostat enabled.
To change this setting to remote control, enter
"programming mode" by carrying out the pro-
cedures indicated in "Accessing the "program-
ming mode"" on page 37.
17
11
12
Figure 5.38
• Press 11 and hold until the LCD display
shows the code A21, indicating entry into
"parameter A21" (Figure 5.39).
Figure 5.39
• By using buttons 14 or 15 (Figure 5.38) it
is possible to modify the value of parameter
A21 (Figure 5.40).
00 = Room thermostat
01 = Remote control
16
15
14
RESET
bar
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