Panasonic WH-UD03JE5 Installationshandbuch Seite 8

DISPOSAL OF OUTDOOR UNIT DRAIN WATER
•
When a Drain elbow 1 is used, please ensure to follow below:
- the unit should be placed on a stand which is taller than 50 mm.
- cover the ø20mm holes with Rubber cap 2 (refer to illustration below).
- use a tray (fi eld supply) when necessary to dispose the outdoor unit drain water.
•
If the unit is used in an area where temperature falls below 0°C for 2 or 3 consecutive days, it is recommended not to use the Drain elbow 1
and Rubber cap 2 , for the drain water freezes and the fan will not rotate.
2
Rubber cap
WH-UD03JE5 and WH-UD05JE5
CONNECTING THE PIPING
3
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.
Model
WH-UD03JE5 and
WH-UD05JE5
WH-UD07JE5 and
WH-UD09JE5
Please cut using pipe cutter and then remove the burrs.
1.
Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
2.
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.
Point down
1. To cut
8
Drain elbow
x 7
Piping size (Torque)
Gas Liquid
ø12.7mm (1/2") ø6.35mm (1/4")
[55 N•m] [18 N•m]
ø15.88mm (5/8") ø6.35mm (1/4")
[65 N•m] [18 N•m]
CUTTING AND FLARING THE PIPING
Pipe
Reamer
Bar
Clamp
handle
2. To remove burrs
1
Rubber cap
WH-UD07JE5 and WH-UD09JE5
Spanner or
Wrench
Be sure to use two spanners to tighten.
(If the nuts are overtightened, it may cause the fl ares to break or leak.)
Handle
0 – 0.5 mm
Bar
Yoke
Core
Copper pipe
Red arrow mark
3. To fl are
Drain elbow
2
x 3
Torque
wrench
 Improper fl aring 
Inclined Surface
damaged
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.
1
Cracked Uneven
thickness