4
27. 11. 17. Leaflet Number 671582
Installation and Maintenance
MRXBOX95B-LP1 Mechanical Ventilation with Heat Recovery & Summer Bypass
4.0 Ducting arrangements, standard configuration
Figure 6. Typical ducted arrangement for a void mounted unit using using rectangular 204 x 60mm ducting and ceiling air valves.
Supply air to
lounge via
Air Valve
in ceilings.
Extract air from
kitchen via
Air Valve
in ceilings.
Supply air to
bedrooms via
Air Valve
in ceilings.
MVHR-DRAIN
condensate drain,
running to SVP.
Nuaire ceiling void
mounted unit.
Extract air from
bathroom via
Air Valve
in ceilings.
Exhaust air from
kitchen/bathroom to
outside via air brick.
Supply and extract
ducts from external
air bricks to the unit
needs to be insulated.
Minimum distance as
specified in Building
Regulations.
Top of ceiling void.
Intake air from
outside via air brick.
View from top (A)
700
View from control side
668 hole centr
es
3
7
1
900
885 hole centres
850
153
End view
200
67
(B)
(A)
View from underside with cover removed (B)
600
Spigot 2.
Supply
Air
Spigot 3.
Extract
Air
Spigot 4.
Exhaust
Air
Spigot 1.
Intake
Air
250
Heat
exchanger
Bypass
chamber
Supply
fan
Extract
fan
21.5mm condensate pipe
Drip tray
Wire
frame
filter
Wire
frame
filter
Bypass
damper
4.
1.
2.
3
735 (Filter access distance)
Removable
filter
access
Removable
filter
access
69
96.4
342
3.0 Dimensions (mm) Standard configuration
Figure 5. Also shows the working space required.
Required
working
Space
