AirTech Air+ PIV Instructions d'installation et de mise en service - Page 12
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Speed Settings
The Air+ PIV has two speed settings, 'Trickle' and 'Energy Recovery'. 'Trickle' speed
is automatically selected when the ambient loft temperature is below 18°C. 'Energy
Recovery' is automatically selected when the ambient loft temperature is between 18°C
and 27°C.
If the ambient loft temperature exceeds 27°C, the Air+ PIV automatically switches to
standby (no airflow) unless in Radon mode. If in Radon mode, the Air+ PIV will switch
to standby (no airflow) if the ambient loft temperature exceeds 50°C.
The speed settings on the Air+ PIV are fully adjustable between 10L/s and 60L/s via
the manual speed setting option. Alternatively there are 5 Pre-set speeds, the speed
settings relate to the number of bedrooms with, for example, setting B03 being for a
three bedroom dwelling. For the flow rates at each setting see Fig.10, if the floor
area exceeds the maximum either adjust to the next speed setting or adjust with the
manual speed setting option. The Air+ PIV must be set to provide adequate ventilation
according to Part F of the building regulations.
This performance is achieved with the filter, duct, diffuser and optional heater. The
duct must be bent to incorporate a 90° bend. It is the responsibility of the installer
to ensure that appropriate speeds are selected.
Fig.10
Trickle
No.
Bedrooms L/s
Power (W)
13
1
17
2
21
3
25
4
29
5
Energy Recovery
L/s
Power (W)
2.2
25
2.6
31
3.2
38
3.6
44
4.3
50
11.5
12
3.6
4.8
5.5
7.5