Beretta Power Plus Box 1002 P INT, Installation Manual

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9 SETTING FUNCTIONING PARAMETERS
The heating functions can be set for the high temperature, low temperature and DHW circuits based on the system re-
quirements by setting the functional parameters.
The first three parameters can be accessed on the user level. The next three require a password (“22”, see the "INSTALL-
ER PROGRAMMING mode" chapter in the "User interface" chapter.
To access the user parameters, press the button, and the following values will be displayed in order:
- manifold delivery temperature T1
- DHW temperature T3
- low temperature circuit delivery temperature T6.
To change the relative setpoints:
- press the
“Set/esc”
button: the relative value will appear, the two digits on the right will flash
- press and until obtaining the required value. Press
“OK”
to save the new value. The displayed value will stop
flashing after 3 sec and will be operative.
A detailed description of all the parameters and the factory preset values can be found in the "Parameter list" chapter.
9 .1 Setting the heating parameters
The following heating parameters can be set:
1
Setpoint_T_CH_High
High temperature circuit setpoint (parameter 1)
If the "fixed point" operating mode is set (par. 14=CH_type_high=0), it is the target temperature.
If the "climatic control" operating mode is set (par. 14=1) , it is the maximum target temperature with minimum outdoor
temperature (T_out_min=par. 37, preset to 0°C).
parameter 18 (T_ch_high_foot, preset to 50°C) defines the minimum setpoint at maximum outdoor temperature (T_out_
max=par. 38, preset to 18°C).
Preset to 70°C and upper value limited by par. 17 (T_ch_high_limit, preset to 80°C).
T_out_max
External temperature (°C)
Delivery temperature (°C)
100
90
80
70
60
50
40
30
20
10
0
25 20 15 10 5 0 -5 -10 -15 -20
CLIMATIC CURVE
HIGH TEMPERATURE circuit
T_CH_High
Max heat
requirement
T_CH_High_foot
T_out_min
Fig. 29