Daikin SV1A25AJV1B - Installing the Ventilation Ducting; To Install the Ducting

14 | Unit installation
Installer and user reference guide
72
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09
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 "13.4.4Ventilated enclosure"[452].
WARNING
Do NOT install operating ignition sources (example: open flames, an operating gas
appliance or an operating electric heater) in the ductwork.
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 "12.4.1 Possible options for
the SV unit"[442].
▪ 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).