Panasonic CS-Z25UD3EAW Service Manual page 53

12.2.7 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
Point down
1. To cut
2. To remove burrs
12.2.8 Disposal of Outdoor Unit Drain Water

If a drain elbow is used, the unit should be placed on a stand which is taller than 3 cm.

If the unit is used in an area where temperature falls below 0°C for 2 or 3 days in succession, it is recommended
not to use a drain elbow, for the drain water freezes and the fan will not rotate.
Handle
Reamer
Bar
Yoke
Clamp
handle Red arrow mark
3. To fl are
Drain elbow
Install the hose at an angle so that the water smoothly fl ows out.
0 – 0.5 mm
Bar
Core
Copper
When properly fl ared, the internal surface of the fl are will evenly
pipe
shine and be of even thickness. Since the fl are part comes into
contact with the connections, carefully check the fl are fi nish.
1
Hose
53
■ Improper fl aring ■
Inclined Surface Cracked Uneven
damaged thickness