16
6. Ducting should be insulated where it passes through unheated areas and
voids with the equivalent of at least 25 mm of a material having a thermal
conductivity of ≤0.04 W/(m.K) to reduce the possibility of condensation
forming. Where a duct extends externally above roof level the section above
the roof should be insulated or a condensate trap should be fitted just below
roof level.
7. Ducts within the building heated envelope between the external terminals and
the unit’s From Atmosphere and To Atmosphere ports should be insulated and
wrapped additionally with a vapour barrier outside the insulation.
8. Where ducts pass through fire barriers, they must be appropriately fire stopped
in accordance with the requirements of Part B of the Building Regulations (for
England & Wales).
9. A ducting condensate drain must be fitted to vertical To Atmosphere duct
work.
10. Ducting must be installed in such a way that resistance to airflow is minimised.
11. Ducting connected to the From Atmosphere & To Atmosphere ports, must be
to the external air outside the building envelope.
12. All ducting joints including those to the HRV
Q Plus
unit’s Duct Ports must be
permanently sealed with tape and/or an appropriate non-hardening sealant
and/or Jubilee clips or similar. Do not distort ducting or Duct Ports by over
tightening clips.
13. A minimum distance of 2m exists between the external supply and exhaust
terminals.
Summary of Contents for auralite TP518
Page 21: ...21 Wiring Diagrams ...
Page 22: ...22 Notes ...
Page 30: ...30 Service Record Serviced By Company Date Notes ...
