Panasonic CS-NZ35YKE Service Manual page 46

12.3.3.1 Cutting and Flaring the Piping
1 Please cut using pipe cutter and then remove the burrs.
2 Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
Turn the piping end down to avoid the metal powder entering the pipe.
3 Please make flare after inserting the flare nut onto the copper pipes.
Pipe
Reamer
Point down
1. To cut 2. To remove burrs
12.3.4 Connect the Cable to the Outdoor Unit
1 Remove the control board cover from the unit by loosening the screw.
2 Connect cables to the unit.
3 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed
2
4 x 1.5 mm (1.0 ~ 1.5HP), 4 x 2.5 mm
Do not use joint connection cable. Replace the wire if the existing wire (from concealed wiring, or otherwise)
is too short. Allowable connection cable length of each indoor unit shall be 30 m or less.
4 Secure the cable onto the control board with the holder (clamper).
5 Attach the control board cover back to the original position with screw.
WARNING
This equipment must be properly earthed.
Handle
Bar
Yoke
Core
Red arrow mark
Clamp handle
3. To fl are
In case of indoor power supply
2
(2.0HP) flexible cord, type designation 60245 IEC 57 or heavier cord.
Terminals on the isolating devices
(Disconnecting means)
(Power supply cord)
Terminals on the indoor unit
Colour of wires (connection cable)
Terminals on the outdoor unit
Indoor & outdoor
connection cable
Indoor unit
0 – 0.5 mm
Bar
Copper pipe
(L) (N)
L N 1 2 3
L N 1 2 3
Terminal
Board
Control
Board
Earth Wire
longer than
others
AC wires
for safety
reason
Holder
46
Improper fl aring
Inclined Surface Cracked Uneven
damaged thickness
When properly fl ared, the internal surface of the
fl are will evenly shine and be of even thickness.
Since the fl are part comes into contact with the
connections, carefully check the fl are fi nish.