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15 - USER MANUAL
15.1 USER
It is forbidden the use of the device to children and
unassisted disables .
It is forbidden to touch the device if you are barefoot and
with wet body parts . It is forbidden any cleaning, before
having disconnected the device positioning the system
main switch on “off”. It is forbidden to pull, remove, twist
the electric cables that come out from the device even if it
is disconnected from the mains supply.
It is forbidden to trample on the device and/or to put on it
any type of object.
It is forbidden to throw or spray water directly on the
device.
It is forbidden to insert sharpened objects by the air return
and supply grilles.
It is vorbidden to open the lids of access to the internal
device parts, without having before positioned the main
switch of the system on “off”.
Keep this manual with the wiring diagram in an accessible
place for the operator.
Note the unit lable data so you can provide them at the
assistance centre in case of intervention (see "Unit
identification" section)
Provide a unit notebook that allows any interventions
carried out on the unit to be noted and tracked making it
easier to suitably note the various interventions and aids
the search for any breakdowns.
In case of breakdown or malfunction:
- immediately deactivate the unit
- Contact a constructor certified assistance service.
- Use original spares parts only
Ask the installer to be trained on:
- start-up / shutdown
- set points change
- standby mode
- maintenance
- what to do / what not to do in case of breakdown
Heating
In heating are managed the compressor, free-heating (it
uses the fresh air heat to heat the room) ,resistances,
humidifier.
Cooling.
In cooling are managed the compressor and the free-
cooling (it uses the fresh air to cool the room).
Mode change
The change between cooling and heating can be:
AUTOMATIC: according to the outside temperature
MANUAL: by the thermostat button
For the automatic or manual change set the P03
ONModeMan parameter on the ambient thermostat.
Set Point
There are two setpoint : cooling and heating.
The set can be modified in MANUAL or AUTOMATIC
mode.
Manual Set Point
In MANUAL mode it is possible to modify the setpoint by
thermostat with the buttons.
The two set are connected to avoid their overlapping.
If the cooling set is decreased, also the heating set is
automatically decreased.
If the heating set is increased, also the cooling set is
automatically decreased.
Automatic Set Point
The setpoint change according to the outside
temperature, depending on a curve set by parameters.
The heating setpoint is below the curve; the cooling
setpoint is above.
Ventilation
T
he unit operates as a fan, no control on the ambient
temperature.
Winter HR control
Only if is present the humidifier option.
The humidification is enabled only in heating.
The set point can be modified by thermostat with the
parameter p05 seturhe-at.
Silent
In this mode the fans are controlled with reduced speeds.
The activation can be performed from digital input or from
supervisor.
The enabling is performed by parameter 224 SiletMode:
0=disabled; 1=from digital input; 2=from digital input or
supervisor.
The reduction of percentage is defined by the parameter
225 (90% standard)
The silent mode can be activated only in heating .
Button lock / Button unlock
The long pressure of Clean and On-Off buttons, stop all
the button functions.
The lockout status is highlighted by characters “---“ at
each pressure of any button.
15.2 MAIN FUNCTIONS
Summary of Contents for Airflow 2020
Page 1: ...Installation and operating manual Décember 2017 ...
Page 69: ...User manual ...
