4
08. 05. 14. Leaflet Number 671640
Installation and Maintenance
MRXBOX95AB-WM2 Mechanical Ventilation with Heat Recovery & Summer Bypass
4.0 Ducting arrangements
Air supply to lounge
via Air Valve
(Part no. VS125)
in ceilings.
Extract air from
kitchen/bathroom
via Air Valve
(Part no. VS125)
in ceilings.
Minimum
300mm
Exhaust air from
kitchen/bathroom to
outside via louvre grille
(Part no. PVC504).
Intake air
from outside
via louvre grille
(Part no. PVC504).
All duct between MVHR
unit and atmosphere to
be insulated*.
Exhaust air from
kitchen/bathroom to
outside via air brick
(Part no. PVC501).
Intake air
from outside
via air brick
(Part no. PVC501).
All duct between MVHR
unit and atmosphere to
be insulated*.
*Insulated
supply duct.
*Insulated
supply duct.
Minimum
300mm
Air supply to lounge
via Air Valve
(Part no. VS125)
in ceilings.
Extract air from
kitchen/bathroom
via Air Valve
(Part no. VS125)
in ceilings.
Air supply to
bedrooms
via Air Valve
(Part no. VS125)
in ceilings.
Top of ceiling void.
Top of ceiling void.
Nuaire
MRXBOX95B-WM2
wall mounted
unit on a patress.
Air supply to
bedrooms
via Air Valve
(Part no. VS125)
in ceilings.
Nuaire
MRXBOX95B-WM2
wall mounted
unit on a patress.
MVHR-DRAIN
Condensate drain, uninsulated
drain pipe with 10 fall running to SVP.
MVHR-DRAIN
Condensate drain, uninsulated
drain pipe with 10 fall running to SVP.
o
o
*Insulated
extract duct.
*Insulated
extract duct.
Figure 7a. Typical ducted arrangement for a wall mounted unit using 125mm dia. ducting.
Figure 7b. Typical ducted arrangement for a wall mounted unit using rectangular 204 x 60mm ducting.
ALSO FROM NUAIRE -
New
range of thermal ducting,
an all-in-one insulated ducting system.
(see installation document 671620).
