Panasonic S-M20PY3E Installation Instructions Manual page 82

NOT E
(1) See Section 4-2 for the explanation of "D",
and "G" under Section 4-3.
(2) The basic connection diagram of the indoor unit
shows the terminal boards, so the terminal boards in
your equipment may differ from the diagram.
(3) Regarding Refrigerant Circuit address setting, refer to
the installation instructions supplied with the remote
controller (Optional). Auto address setting can be
executed by remote controller automatically.
CAUTION
● In the case of 3-line connection, connection cable between outdoor and indoor unit
shall be approved polychloroprene sheathed flexible cord. Type designation 60245
IEC57 (H05RN-F, GP85PCP etc.) or heavier cord.
WARNING
Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire
hazard may also occur. Therefore, ensure that all wiring is tightly connected.
When connecting each power wire to the terminal, follow the instructions on "How to connect
wiring to the terminal" and fasten the wire securely with the terminal screw.
4P terminal board
82
3P terminal board
R1 R2
L/1 N/2
Connection cable
Remote
between outdoor
control
and indoor unit
wiring
Type Y3
3