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17
6. USING THIS UNIT
This balanced ventilation unit is designed to provide fresh air to your home while exhausting stale, humid air. Thanks to
its energy/heat recovery module, the unit recovers a large proportion of heat or energy that is part of indoor or outdoor
air according to the seasons to improve comfort and energy effi ciency during the heating and the cooling periods. With
the Virtuo Air Technology
TM
, this unit responds to the variations in its environment in an autonomous way, ensuring to
provide a proper level of ventilation and air quality. This unit also features automatic modes (AUTO or SMART) that manage
autonomously the required ventilation level as per indoor and/or outdoor conditions. In colder areas, the unit will perform,
at intervals, recovery module discreet defrost to maintain performance and comfort.
6.1 YOUR VENTILATION SYSTEM
6.2 INTEGRATED CONTROL
All units are equipped with an integrated control, located in front of the electrical compartment. For more convenience,
these units can be controlled using an optional wall control or the central forced-air system thermostat equipped with
external fan activation.
+
-
OK
VD0492
MODE SELECTION
1. To change the mode, use (+/-) to access the Mode screen. Press OK to edit the mode
and use (+/-) to change the mode (Standby, Min, Max).
2. Press OK to confi rm selection. The airfl ows will be displayed for both MIN and MAX modes.
NOTE: If an optional auxiliary wall control or the central forced-air system thermostat
equipped with external fan activation is used, it overrides the integrated control.
6.3 AHU MODE DISPLAY
Depending on unit confi guration and/or installation, the unit could not be able to reach desired set minimum CFM. This
situation could happen with installed confi gurations T-2 to T-5 due to AHU static pressure and a set minimum CFM
below 60. In such a case, AHUXX (XX referring to desired minimum CFM value) will display on LCD screen. In AHU mode, the
unit operates in intermittent mode to reach desired minimum CFM value. Intermittent mode duration varies as per desired
minimum CFM value.
Options Confi gurations available
DEF (Defrost)
DIS* (Discretion - defrost without speed variation for more comfort),
PLU (Plus - extended defrost for colder areas)
INS (Installation) T-1, T-2, T-3, T-4*, T-5 (Refer to section 2.2)
DRY (Dry contact) MIN* (Minimum), INT (Intermittent), AUT (AUTO), MAX (Maximum) (Refer to section 3.3.1)
OVR (Override) BAL* (Balanced), PER (Performance), DIS (Discretion) (Refer to section 3.2.1)
INT (Intermittent)
STB* (Standby - 20 min in MIN speed and 40 min in standby mode), REC** (Recirculation - 20
min in MIN speed and 40 min in recirculation mode) **REC (Recirculation) confi guration is not
available for T-2 to T-5 installation confi gurations nor for 150H75NT, 150H75NS, 150E75NT
and 150E75NS units.
NOTE: Following ducting installation confi guration and temperature conditions, it may be
necessary for the unit to operate continuously. Refer to section 2.2 for more details.
If any change is made to the ducting, reset settings to restart the airfl ow test.
PROCEDURE TO RESET SETTINGS
Press on the OK and (-) buttons simultaneously for 4 seconds. Use (+/-) to select Yes or No and OK to confi rm.
Then perform the auto-balancing procedure.
NOTE: If no selection is confi rmed within 10 minutes, the unit will exit the menu without saving any changes.
* Factory setting
5.4 FACTORY SETTINGS RESET
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