Panasonic S-25PY3E - Wire Length and Wire Diameter for Power Supply System

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4-2. Wire Length and Wire Diameter for Power Supply System
Connection cable between outdoor and indoor unit has 2 types; One is 2-line connection
and the other is 3-line connection. Check the type of the outdoor unit terminal board as
illustrated below and make connection.
●
If U1 and U2 are shown on the terminal
board, it is for 2-line connection.
* See the example in Section 4-3.
U1 U2
L N
●
If 1, 2 and 3 are shown on the terminal
board, it is for 3-line connection.
* See the example in Section 4-3.
L N 1 2 3
Connection cable
between outdoor
and indoor unit
Connection cable
between outdoor
and indoor unit
Power supply
cable
Inter-unit (between outdoor
and indoor units) control wiring
01_330918_EU_Eng.indb 22 2021/9/9 11:26:45