Panasonic WH-SDC03H3E5 Service Manual page 53

11.1.5 Connect The Cable To The Indoor
Unit
This section is for authorised and licensed electrician only. Work
behind the Control Board Cover secured by screws must
only be carried out under supervision of qualified contractor,
installation engineer or service person.
11.1.5.1 Open the Control Board Cover
Please follow the steps below to open control board
cover. Before opening the control board cover of
indoor unit, always switch off all power supply (i.e.
indoor unit power supply, heater power supply and
Tank Unit power supply).
1. Remove the 6 mounting screws at the control
board cover.
2. Swing the control board cover to the right hand
side.
Screws
11.1.5.2 Fixing of Power Supply Cord
and Connecting Cable
1. Connecting cable between Indoor Unit and
Outdoor Unit shall be approved polychloroprene
sheathed 4 × 1.5 mm
designation 60245 IEC 57 or heavier cord.

Ensure the colour of wires of Outdoor Unit and
the terminal no. are the same to the Indoor
Unit respectively.

Earth wire shall be longer than other wires as
shown in the figure for the electrical safety in
case of the slipping out of the cord from the
Holder (Clamper).
2. An isolating device must be connected to the
power supply cable.

Isolating device (disconnecting means) should
have minimum 3.0 mm contact gap.

Connect the approved polychloroprene
sheathed power supply 1 cord and power
supply 2 cord and type designation 60245 IEC
57 or heavier cord to the terminal board, and
to the other end of the cord to isolating device
(Disconnecting means). See below table for
cable size requirement.
Power Supply
Cable Size
Cord
1 3 × 1.5 mm
2 3 × 1.5 mm
WARNING
Screws
2 flexible cord, type
Isolating Recommended
Devices RCD
2
15/16A 30mA, 2P, type A
2
15/16A 30mA, 2P, type AC
3. To avoid the cable and cord being damaged by
sharp edges, the cable and cord must be passed
through a bushing (located at the bottom of
Control Board) before terminal board. The bushing
must be used and must not be removed.
Terminals on the Outdoor Unit
Colour of wires (Connecting cables)
Terminals on the Indoor Unit
(Power Supply Cord)
Terminals on the isolating
devices from power supply
(Disconnecting means)
Connecting Cable
Terminal screw
M4
M5
*1 - Earth wire must be longer than other cables for safety reasons
11.1.5.3 Wire Stripping and Connecting
Requirement
Wire stripping
No loose strand
when insert
Conductor
fully insert
ACCEPT
53
L N L N
1 1
L N L N
1 1
Power Supply 1 Power Supply 2
RCCB/ELCB
Terminal Board
*1
Holder (Clamper)
Power Supply Cord
Tightening torque N•m {kgf•cm}
157~196 {16~20}
196~245 {20~25}
Indoor/outdoor
connecting
terminal board
5mm or
more
(gap between
wires)
Conductor Conductor not
over insert fully insert
PROHIBITED PROHIBITED
1 2 3
1 2 3
Indoor Unit/
Outdoor Unit
connection
*1