Panasonic PAPAMY1702034CE Service Manual page 37

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.
Point down
1. To cut 2. To remove burrs
11.1.7 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.
Pipe
Reamer
Bar
Clamp handle
3. To flare
Drain elbow
Handle
0 – 0.5 mm
Bar
Yoke
Core
Copper
Red arrow mark
pipe
Install the hose at an angle so that
the water smoothly flows out.
Hose
37
■ Improper flaring ■
Inclined Surface Cracked Uneven
damaged thickness
When properly flared, the internal surface of the
flare will evenly shine and be of even thickness.
Since the flare part comes into contact with the
connections, carefully check the flare finish.