9
AFTER INSTALLATION THE END USER SHOULD
KEEP THIS GUIDE FOR FUTURE REFERENCE
DO NOT
THROW AWAY
5.
Fit the external supply and extract terminations.
6.
Fit the supply and extract valves inside the property.
7.
Fit the ductwork between the external terminations, the MVHR unit
and the supply and extract valves.
5
6
7
Ductwork should be fitted in
accordance with the Domestic
Ventilation Compliance Guide.
(Example RH unit configuration
shown).
Ducts to and from atmosphere and
through unheated spaces need to
be insulated.
All ductwork should be as large
a diameter as possible (min.
125mm) and use rigid duct or a
suitable semi-rigid duct system
such as Envirovent fast track.
Supply
Extract
Extract 1
Supply 1
Extract 2
Supply 2
