14
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Unit installation
Installer and user reference guide
65
BS4~12A14AJV1B
VRV 5 branch selector unit
4P695527-1 – 2022.02
a
Hanging bar
Allowed
Not allowed
2
Provide a downwards slope (at least 1/100) to prevent air from being trapped
in the piping. If unable to provide an adequate slope for the drain, use the
drain up kit (K-KDU303KVE).
3
Insulate the complete drain piping in the building to prevent condensation.
14.5 Installing the ventilation ducting
14.5.1 To install the ducting
The ducting is field supplied.
Ducting is only necessary in case the safety measures require a ventilated
enclosure. See
WARNING
Do NOT install operating ignition sources (example: open flames, an operating gas
appliance or an operating electric heater) in the duct work.
CAUTION
If the metal duct passes through a metal lath, wire lath or metal plate of the wooden
structure, separate the duct and wall electrically.
1
Connect the air outlet.
▪
Position a 160 mm duct of at least 1 m over the unit duct connection.
▪
Fix the duct to the duct connection with minimum 3 screws.
▪
Follow the instructions of the duct manufacturer for other connections.
▪
Install the first meter of the air outlet duct after the unit in such a way that it
does not slope downward.
▪
Make sure the connections to the unit or any other connections in the
system do not leak air.
2
In case of series configuration: connect the air inlet.
▪
Install option kit EKBSDCK onto the damper. See
▪
Position a 160 mm duct over the option kit.
▪
Fix the duct to the option kit with minimum 3 screws.
▪
Follow the instructions of the duct manufacturer for other connections.
▪
Make sure the connections to the unit or any other connections in the
system do not leak air.
3
Insulate the ducting with field supply thermal insulation and with the
accessory sealing material (against condensation drops).
