Connecting The Piping - Panasonic WH-UXZ09KE5 Series, WH-UXZ12KE5 Series Installation Manual

CONNECTING THE PIPING

3
Do not over tighten, over tightening cause gas leakage.
Model
WH-UXZ09KE5*, WH-UXZ12KE5*
CONNECTING THE PIPING TO OUTDOOR UNIT
Decide piping length and then cut by using pipe cutter. Remove burrs
from cut edge. Make fl are after inserting the fl are nut (locate at valve)
onto the copper pipe. Align center of piping to valves and then tighten
with torque wrench to the specifi ed torque as stated in the table.
Local pipes can project in any of four directions.
•
Make holes in the pipe panels for the pipes to pass through.
•
Be sure to install the pipe panels to prevent rain from getting
inside the outdoor unit.
[Removing the service panel].
(1) Remove the three mounting screws.
(2) Slide the service panel downward to release the pawls.
After this, pull the service panel toward you to remove it.
Forward
direction
Mounting
screws
Close the tube joining area with
putty heat insulator (local supply)
without any gap as shown in right
fi gure. (To prevent insects or small
animal entering.)
8
CAUTION
Piping size (Torque)
Gas
ø12.7mm
(1/2")
[55 N•m]
Service panel
Rear direction
Rear pipe panel
Side panel
Front pipe panel
Downward
direction
Putty or Heat
insulator
(local supply)
CUTTING AND FLARING
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 fl are after inserting the fl are nut onto the copper
pipes.
Liquid
ø6.35mm
(1/4")
[18 N•m]
Point
down
1. To cut 2. To remove burrs
 Improper fl aring 
Inclined Surface
damaged
THE PIPING
Pipe
Handle
Reamer
Bar
Yoke
Core
Clamp
Red arrow mark
handle
3. To fl are
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
Cracked Uneven
fi nish.
thickness
0 – 0.5 mm
Bar
Copper
pipe