Panasonic WH-ADF0309J3E5CM Service Manual page 111

12.1.4.2 Recommended Wire Length and Wire Diameter for Power Supply System
The terminal block of the outdoor unit is as shown in the figure below.
Wire the indoor unit to the terminal block of unit C.
Indoor unit
(Type of 3-line connection [1, 2 and 3 with indoor and outdoor units)
Connection cable between outdoor and indoor unit
Type (G) Outdoor Unit : CU-2WZ71YBE5
F3
Control wiring
(C) Intergrated indoor unit
control wiring
0.75 mm 2
(AWG #18)
Use shielded wiring*
Max. 1,000 m
*1 Maximum applicable wire for terminal board of indoor unit : 4 mm
*2 With ring-type wire terminal.
*3 Maximum length shows a 2% voltage drop.
1 2 3
2
1.5 mm
Max. 40 m
(D) Remote control wiring
0.75 mm 2
(D) : Max. 500 m
The above descriptions can be used for the model CZ-RTC4 or CZ-RTC5B series.
For other remote controllers, refer to the manual of each unit.
1 2
Connection cable between
outdoor and indoor unit
2
111
3