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Setting operating parameters
During initial configuration of the appliance, the installer must proceed as described below, using a dedicated menu on the
control panel to set the following parameters governing the operation of the machine.
Before proceeding with the steps indicated below, press ESC to exit and return to the opening screen.
As a rule, the parameters relative to the various options can be selected by pressing SET (this causes the current value to
blink), then scrolling through the available values with the UP and DOWN buttons, and pressing SET again to confirm the
new value. The UP and DOWN buttons are also used to scroll through the different options or parameters.
The main user menu can be viewed by pressing and holding ESC and SET at one
and the same time (fig.1).
In this menu, the SERV option is for the use of installers only. Select SERV,
entering a password to allow access (default factory setting: "1"). The SERV menu
presents the following options:
- FrSt:
management of Nofrost procedures
- temp:
indication of temperatures (read only)
- Filt:
filter management
- FAnE:
control of return air fan motor speed
- FAn:
control of supply air motor speed
- rE:
firmware revision (read only)
- MbUS:
selection of modbus connection parameters
- HASE:
control of motor speed in HA mode
Each option brings up a corresponding sub-menu, as illustrated in detail below:
Menu "FrSt" (Nofrost)
This menu allows the user to enable/disable the no-frost strategy. The menu presents 3 parameters:
• "UnbL"
(Fig.2).
Nofrost
unbalancing. Possible values are:
ON: no-frost function enabled;
OFF: no-frost function disabled;
2 2
P1
P2
HA
FILT
1
2
3
4
5
6
esc
set
Prg
/ °C
By-Pass
Menu "temp" (Temperatures)
This menu allows the user to read the temperatures detected by the heat recovery unit. The menu presents 3 parameters:
• "tOUt" (Fig.5). Temperature of clean
outdoor air
(read only).
5 5
P1
HA
P2
FILT
°C
1
2
3
4
5
6
esc
set
Prg
/ °C
By-Pass
via
flow
• "HEAt"(Fig.3). Possible values are:
ON: preheater enabled
OFF: preheater disabled
3 3
FILT
7
1
• "tin"(Fig.6). Temperature of stale indoor
air
(read only).
6 6
FILT
7
1
2
By-Pass
P1
P2
HA
2
3
4
5
7
6
esc
set
Prg
/ °C
By-Pass
P1
P2
HA
°C
3
4
5
6
7
esc
set
Prg
/ °C
1 1
P1
P2
HA
FILT
1
2
3
4
5
6
esc
set
Prg
/ °C
By-Pass
• "HA"(Fig.4). Available only in systems
with HA. Nofrost via recirculation.
Possible values are:
ON: HA enabled
OFF: HA disabled
4 4
P1
HA
P2
FILT
1
2
3
4
5
6
esc
set
Prg
/ °C
By-Pass
• "tE"(Fig.7). Temperature of stale outdoor
air
(read only).
7 7
P1
P2
HA
FILT
°C
1
2
3
4
5
6
esc
set
Prg
/ °C
By-Pass
7
7
7
9
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