15
|
About the units and options
Installer and user reference guide
47
FXUA50~100AVEB
VRV system air conditioner
4P673843-1 – 2022.01
▪
Optional output PCB (to provide output for external device): The PCB will trigger
the external alarm in case of leak detection, sensor failure or when the sensor is
disconnected. For the exact model name, see the option list of the indoor unit.
For more information about this option, refer to the installation manual of the
optional output PCB.
▪
An additional Installation box for the optional output PCB is required; see the
option list of the indoor unit. For installation of the installation box, refer to the
manual of the installation box. The wiring between the main PCB and the
optional output PCB must be led together with the transmission cable; never use
the same route as for the power supply cable. See
"18.2 To connect the electrical
INFORMATION
All possible options are mentioned in the option list of the indoor unit. For more
information about an option, refer to the installation and operation manual of the
option.