Panasonic U-16GE3E5 Procedimientos Y Puntos Técnicos Para Trabajo De Cableado Eléctrico página 4

3. Bus network that may exceed 17 branch points (Fig. 4)
If the number of branch points will exceed 17, reduce the number of branch points by linking 2 refrigerant
tubing systems within a single wiring system, for example.
System
controller
4. PROHIBITED: Star networks (Fig. 5)
System
controller
Outdoor unit 1
Indoor unit
Outdoor unit 2
Remote controller
Indoor unit
Outdoor unit 3
Remote controller
Indoor unit
Outdoor unit 4
Remote controller
Indoor unit
Outdoor unit 5
Remote controller
Indoor unit
Remote controller
Fig. 4
Indoor unit
Indoor unit
Outdoor unit
Fig. 5
EN - 4
Example of reducing branches
of outdoor units 2 and 4
Indoor unit Indoor unit
Indoor unit Indoor unit
No remote controller
Indoor unit Indoor unit
No remote controller
Group control
Indoor unit Indoor unit
No remote controller
Indoor unit Indoor unit
No remote controller
Group control
Indoor unit
Indoor unit
Must be fewer than four lines