Panasonic CS-TZ20WKEW, Service Manual, Page: 67 / 233

67
8 Secure firmly the power supply cord and connecting cable onto the control board with the holder.
Do not overtighten holder screw, as this may damage the holder.
9 Close grille door by tighten with screw and close the front panel.
WARNING
This equipment
must be properly
earthed.
Recommended
length (mm)
refer table below
Terminals on the outdoor unit
S1 2 3 1 2 3
Colour of wires (connection cable)
Terminals on the indoor unit L 1 N S1 2 3 OR L 1 N S1 2 3
(Power supply cord)
*
Connection for multi inverter
model (Outdoor power
supply)
Terminals on the isolating devices
(Disconnecting means) (L) (N)
WARNING
RISK OF FIRE
JOINING OF WIRES MAY CAUSE
OVERHEATING AND FIRE.
Note:
•
Isolating Devices (Disconnecting means) should have minimum 3.0 mm
contact gap.
•
Ensure the colour of wires of outdoor unit and the terminal Nos. are the
same to the indoor’s respectively.
•
Earth wire shall be Yellow/Green (Y/G) in colour and longer than other
AC wires as shown in the figure for the electrical safety in case of the
slipping out of the cord from the anchorage.
Isolating Devices
Outdoor Unit
a b
c
a
b
c
d e
f
g
4
d e
f
g
6
S1
1
S1
1
S1
Terminal Board
Terminal Board
Control
Board
Panel
Panel
Flip the panel down
until ‘click’ sound before
connect indoor and
outdoor connection cable
Holder
Holder
Holder
Holder
Flip the
panel down
Earth Wire
longer than
others
AC wires
for safety
reason
Earth Wire
longer than
others
AC wires
for safety
reason
Right escapement
Left escapement
Power supply cord
3 x 1.5 mm² (3/4~1.75HP) or
3 x 2.5 mm² (2.0HP)
Power
supply cord
(3 x 2.5 mm²)
Isolating Devices Outdoor Unit
Indoor & outdoor connection cable
4 x 1.5 mm² (3/4~1.75HP) or
4 x 2.5 mm² (2.0HP)
Indoor & outdoor
connection cable
(4 x 2.5 mm²)
Earth Wire
longer than
others AC wires
for safety reason
Recommended
length (mm)
a
b
c
d
e
f
g
30 30 60 45 40 35 55
Model
TZ20***, TZ25***, TZ35***, TZ42***, TZ50***,
RZ20***, RZ25***, RZ35***, RZ50***
Recommended
length (mm)
a
b
c
d
e
f
g
55 35 35 50 40 35 60
Model TZ60***, TZ71***
WIRE STRIPPING, CONNECTING
REQUIREMENT
5 mm or more
Indoor/outdoor
connection
terminal board
(gap between wires)
No loose
strand when
inserted
10 ±
1 m
m
Wire stripping
ACCEPT
Conductor
fully inserted
PROHIBITED
Conductor
over inserted
PROHIBITED
Conductor not
fully inserted
Do not joint wires.
OR
OR
OR
Use complete wire
without joining.
Use approved socket
and plug with earth pin.
Wire connection in this
area must follow to
national wiring rules.
CAUTION
Do not connect power supply to indoor and outdoor
unit at the same time.
Risk of fire if wrong connection of power supply.