prana 340S, Руководство по установке

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9
The connection of the ducts and their designation are
determined by the instructions on the housing of the
ventilation system.
The ducts, the ventilation system housing, the ventilation
system motor housing, are insulated with thermal insulation
materials as intended (if necessary).
In order to avoid contamination of the heat exchanger of
the ventilation system, a filter box must be installed on the
outside air duct section and, if necessary, on the exhaust air
ducts from the room.
If the outside air temperature is below +4°C the ventilation
system in the wall and combination variants should be used
with the «Winter mode» and «Mini-heating» functions
activated.
To ensure the optimal operation of the ventilation system
and to reduce aerodynamic losses associated with of air
flow turbulence, it is necessary to have at least 1 meter of
straight ductwork at the recuperator inlets and outlets,
after which off takes, tees and other ductwork elements can
be installed.
For efficient operation of the ventilation system to
ensure the maximum efficiency of the ventilation system,
it is recommended to make aerodynamic calculations of the
duct network. For noise reduction, we recommend installing
sound attenuators.