Vortice VORT HR 300 NETI Betriebsanleitung Seite 43

• if the valve is closed, force the closing.
This is a normal system procedure and should not be perceived as a malfunction.
Note:
• Every time, during By-Pass opening and closing (max 180 sec), Appliance automatically reduces fan-ventilators speeds
to the 20%, in order to help the By-Pass valve movement.
• In case of Temperature sensors anomalies, By-Pass valve will stay preventively closed.
When the function is active, the message "By-Pass" appears on the display: see "Home Page" in the "Operation" and use".
7.4 "Post-ventilation" Function
This kind of function is automatically activate after:
• every time Pre-Heater is turned off (if Pre-Heater installed)
both motor-fans active (about 3 minutes) to avoid overheating;
• every time you turn the Appliance off
indoor air is extracted at the max speed (about 2 minutes) to avoid condensate presence on the heat exchanger.
This is a normal system procedure and should not be perceived as a malfunction.
7.5 "Programming" Function (only for remote HMI control)
Special operating mode: it is manually enabled and allows the user to make a programming weekly air velocity. In fact, it
allows you to assign up to 6 time bands with different speeds, including stopping the equipment. When the mode is active,
the word "Progr." Appears. on display: see "Home Page" in the paragraph "Remote panel functions". The speeds can still
be changed manually even in the intervals specified: in this case, the word "Prg" will flash for 30 minutes after which it will
return to work at the speed set in the hourly programming, if during the 30 min any other function that changes the speed
intervenes, the 30 min count is reset. For more details on how to set the time bands and dates, see "Time programming" in
the "Remote panel functions" paragraph.
For more details on how to activate / deactivate the function, see "Activating / Deactivating the PR Active Mode" in the
"Remote panel functions" paragraph.
7.6 "Holiday" Function
Special mode of operation: manually enabled and useful if the user leaves the room for a longer period of time. Operation
(indicated by active LED 1) includes:
• fixed "30% less of Minimum " speed (no other speeds, no OFF equipment).
• environment sensors not enabled (remote inputs not actived);
• bypass always closed.
When the mode is active, the message "Holiday" appears on the display: see "Home Page" in the "Panel functions"
Note: Activating the Mode "Holiday" will be deactivate other product functionings/selections.
To re-activate other product functionings/selections, need to deactivate the Mode "Holiday" before.
7.7 "Post-heater" function
• If the temperature of the supply air (T Sup) is inferior to the postheater threshold temperature decreased by 0,5°C
(hysteresis) and postheater is activated, then the post-heater switches on.
• If the temperature of the supply air (T Sup) is greater than the postheater threshold temperature increased by 0.5 ° C
(hysteresis), the postheater switches off.
• If the unit is in HOLIDAY mode or in summer bypass mode or if the postheater is disabled from the installer menu, the
postheater must never switch on.
• If you select OFF while postheater is operating, the postheater switches off first and the supply motor continues to run for
2 minutes at boost speed.
The device is controlled by means of a special control panel. Its functions are described below. It is possible to pair use
with a VORTICE pre-heater and post-heater. These devices shall be installed by an installer. The minimum distance of the
heaters from the device is 500 mm.
ENGLISH
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