8
5. EXTRACTION FLOW-RATE ADJUSTMENT
This unit is suitable for up to 4 sanitation facilities (each room with a water outlet, except for the kitchen), with 3 bathrooms (or showers)
at most.
* A washroom is a room with one water outlet, but without bath or shower (cellar, laundry room, toilet with washbasin, etc.).
5.2. Washroom flow rate settings
REGULATORY AIRFLOWS EXPRESSED IN m³/h
Number of principal
rooms in the dwelling
Kitchen
Bathroom or shower room,
including a toilet cubicle
Another
washroom*
Toilet cubicle
Single
Multiple
2
3
4
5 and more
90
105
120
135
15
30
30
30
15
15
30
30
15
15
30
30
15
15
15
15
Check the terphane flap is in the correct position in the WC connection.
Identification of connection
"SDB" (30 m³/h)
Identification of connection
"WC" (15 m³/h)
Correct position
(Section view)
Wrong position
(Section view)
If the flap is in the wrong position, put it in
the correct one (Section view)
Replace the
flap in its
housing up to
the "clip"
Flap for
regulation
Flap for
regulation
5.1. Extraction flow-rate adjustment
Regulatory air flows:
Balancing flow rates:
If a significant divergence is found between the flow rate in and the flow rate out, balance it using a manual register RR125 (see p. 9).