Panasonic U-72MF2U9 Installation Instructions Manual page 31

CAUTION
(1) When linking outdoor units in a network, see the section "ATTENTION!".
(2) Do not install the inter-unit control wiring in a way that forms a loop.
Outdoor unit
Indoor unit
(3) Do not install inter-unit control wiring such as star branch
wiring. Star branch wiring causes mis-address setting.
Outdoor unit
NO
(4) If branching the inter-unit control wiring, the number of branch points should be 16 or fewer.
Central Controller
Outdoor unit
Indoor unit Indoor unit
Indoor unit
Indoor unit
Outdoor unit
: Branch point
Indoor unit
Outdoor unit
Indoor unit
Outdoor unit
Indoor unit
Outdoor unit
Prohibited
Indoor unit
Indoor unit
Indoor unit
Branch point
Indoor unit
Indoor unit
Indoor unit
31
Prohibited
Indoor unit
Indoor unit
Indoor unit
Indoor unit