8.2 Via the loft space at high level through uninsulated ducting supplied by the installer
8.3 Via the soffit through a grille and ducting supplied by the installer
Installation and Maintenance
Low Energy Positive Input Ventilation Unit
Connected to
unit spigot using
dynotie connector.
Sensor
wired down
to unit
200mm dia. uninsulated duct (min 1.5m extended)
secured to roof timber using large washer and
screw (supplied by installer) inside throat of duct.
Ideally the inlet to the duct should be
located approximately 600 mm down
from the highest point in the loft.
Note: the ducting may be turned
through 90 to obtain the minimum
1.5m extended length.
o
600mm
Figure 12.
Figure 13. (See Figure 15 for sensor location).
200mm dia. insulated ducting
connected to unit spigot using
dynotie connector.
150mm dia. pipe
(Part No. GB250-T200).
Insulated duct formed over pipe
and sealed with dynotie connector.
199 x 215 x 20mm
white plastic wall grille
(Part No. FB250).
8.4 Via a wall grille and ducting supplied by the installer
Figure 14. (See Figure 15 for sensor location).
Soffit grille (Part No. 518920) fixes over rectangular ducting
which has been pulled through rectangular hole (220mm X 80mm)
cut in soffit and folded flat up against the surface of the soffit.
Note that a minimum soffit width of 130mm is required.
222mm x 90mm flexible
PVC Rectangular ducting
(Part No. PVC933WH)
Note: this duct should
be left as short as possible.
Circular duct connector
(Part No. FDC200).
200mm dia. insulated
ducting connected
to unit spigot using
dynotie connector.
Form end of rectangular
ducting to fit connector
and secure using
dynotie connector.
5
Leaflet Number 671346 October 2006