Using This Unit; Your Ventilation System; Integrated Control; Ahu Mode Display - Broan B150H75NS User's And Installer's Manual

6. USING THIS UNIT

6.1 Y V S
OUR ENTILATION YSTEM
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
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.
6.2 I C
NTEGRATED ONTROL
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.
M
ODE 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 M D
ODE ISPLAY
Depending on unit confi guration and/or installation, the unit could not be able to reach desired minimum CFM. This situation could
happen with confi gurations T-2 to T-5. 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.
VD0492
17
TM , this unit responds
+
-
OK