Panasonic CS-Z20XKEW Service Manual page 2

Before performing any of the electrical installation works, please verify on which of the intended connection use. Generally
there are 2 types of indoor-outdoor connections:
○
Single Connection (Single Indoor Unit connects with Single Outdoor Unit)
A
○
Multiple Connection (Multiple Indoor Unit connect with Single Outdoor Unit)
B
Both connections have different connecting methods. Any mismatch connections will result in malfunctions.
The following illustration demonstrates the correct electrical works for both type.
○
(Single Connection)
A
Terminals on the outdoor unit
Colour of wires (connection cable)
Terminals on the indoor unit
(Power supply cord)
Terminals on the isolating devices
(Disconnecting means)
Please refer to the provided Installation Instructions for the detailed procedures for connecting cables to Indoor Unit.
CAUTION
S1 2 3
L 1 N S1 2 3
(L) (N)
2
○
(Multiple Connection)
B
Terminals on the outdoor unit
Colour of wires (connection cable)
Terminals on the indoor unit
(Power supply cord)
Terminals on the isolating devices
(Disconnecting means)
1 2 3
L 1 N S1 2 3
* Connection for multi inverter model
(Outdoor power supply)