There are various interfaces used to access and control indoor units, some are wireless and others are wired modules. FJ-IR-WIFI-1NA is the IR Wireless Module for Wall Mounted and Floor Mounted units while FJ-RC-WIFI-1NA is a wired module for Cassette, Slim Duct, Ceiling, Universal units.
Fujitsu FJ-RC-WIFI-1NA Wi-Fi Module is an external wired Wi-Fi Device that connects the indoor units to the Wi-Fi network to manage the indoor climate remotely, using a simple smartphone, tablet, or PC via the internet. It offers Interaction with Geo-localization, Weather Forecast, Voiceover, Voice Commands, Mail, Push Notifications, and many more. It works with Fujitsu Halcyon K9705932012 plug to connect to ASU wall mounted mini split units. The operation is controlled by a Wi-Fi device installed in each unit.
The connection is as shown below;

Below is the compatibility table for the module showing the interface modules required as well as the respective indoor unit models.
Fujitsu FJ-RC-WIFI-1NA Wi-Fi Module is an external wired Wi-Fi Device that connects the indoor units to the Wi-Fi network to manage the indoor climate remotely, using a simple smartphone, tablet, or PC via the internet. It offers Interaction with Geo-localization, Weather Forecast, Voiceover, Voice Commands, Mail, Push Notifications, and many more. It works with Fujitsu Halcyon K9705932012 plug to connect to ASU wall mounted mini split units. The operation is controlled by a Wi-Fi device installed in each unit.
The connection is as shown below;
Connection overview
Below is the compatibility table for the module showing the interface modules required as well as the respective indoor unit models.
TYPE | INDOOR UNIT MODEL | REQUIRED PLUG(K9705932012) | INTERFACE MODULE |
Compact Wall Mounted (ASU) | ASU7RLF, ASU9RLF, ASU12RLF | YES | UTY-XCBXZ2 |
Compact Wall Mounted (ASU) | ASU7RLF1, ASU9RLF1, ASU12RLF1 | YES | UTY-XCBXZ2 |
Wall Mounted (ASU) | ASU7RLS2, ASU9RLS2, ASU15RLS2 | YES | UTY-TWBXF1 |
Wall Mounted (ASU) | ASU7RLS3, ASU9RLS3, ASU15RLS3 | YES | UTY-TWBXF1 |
Wall Mounted (ASU) | ASU18RLF, ASU24RLF | YES | N/A |
Wall Mounted (ASU) | ASU18CL, ASU24CL1 | YES | N/A |
Wall Mounted (ASU) | ASU30CLX1, ASU36CLX1 | YES | N/A |
Wall Mounted (ASU) | ASU30RLX | YES | N/A |
Wall Mounted (ASU) | ASU18RLB, ASU24RLB | YES | N/A |
Wall Mounted (ASU) | ASU30RLXB, ASU36RLXB | YES | N/A |
Floor (AGU) | AGU9RLF, AGU12RLF, AGU15RLF | YES | N/A |
Compact Cassette (AUU) | AUU7RLF, AUU9RLF, AUU12RLF, AUU18RLF | N/A | N/A |
Ceiling/Universal (ABU) | ABU36RSLX | N/A | N/A |
Ceiling/Universal (ABU) | ABU18RULX, ABU24RULX | N/A | N/A |
Large Cassette (AUU) | AUU18RCLX, AUU24RCLX, AUU36RCLX, AUU42RCLX | N/A | N/A |
Ducted (ARU) | ARU7RLF, ARU9RLF, ARU12RLF, ARU18RLF, ARU24RLF | N/A | N/A |