Panasonic U-72MF2U9 Technical Data Manual page 39

3. ELECTRICAL WIRING
3. ELECTRICAL WIRING
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
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Design of 3WAY VRF SYSTEM
Design of 3WAY VRF SYSTEM
Prohibited
Indoor unit
Indoor unit
Indoor unit
Indoor unit
1
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4
5
6
7
8
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