The heat recovery ventilation units shall be of the
CAD-Compact HRV, EC Series as designed and manufactured
by Fantech Pty Ltd and be of the model numbers shown on the
schedule/drawings.
They shall use a high efficiency, counterflow plate heat exchanger
that recovers up to 88% of heat and be Eurovent certified.
The housing shall be double walled, galvanised steel and use
an internal thermo-acoustic fireproof insulation made from
mineral wool.
They shall be driven by a single-phase EC motor and use
electronic overload protection. The plug fans will have an
IP44, Class B rating and a backward curved impeller.
All models shall be fully tested as a complete assembled unit
to ISO5801: 2007 for air flow and ISO 13347-3 2004 for noise.