Fujitsu AUYG07LVLA Design & Technical Manual page 299

Example 5 (prohibited)
Branch box (primary)
Do not connect a wired remote controller or simple remote controller to branch box.
Connect them to each indoor unit.
Example 6 (prohibited)
Branch box 1 (primary)
Wired
remote
controller
Do not connect a wired remote controller or simple remote controller to multiple indoor units.
One wired remote controller or simple remote controller cannot control multiple indoor units.
Branch box 2 (secondary)
Simple
remote
Remote
controller
controller line
- (06 - 51) -
Remote
controller line
6. SYSTEM DESIGN