Flaring The Pipe End - Daikin R32 Split Series Installation Manual

Indoor Unit Installation (1)
4-2. Installation
• Secure using 6 screws for floor installations. (Do not forget to secure to the rear wall.)
• For wall installations, secure the
Do not install the unit more than 6 cm above the floor.
• The mounting plate should be installed on a wall which can support the weight of the indoor unit.
1) Temporarily secure the mounting plate to the wall, make sure that the panel is completely level, and mark the boring
points on the wall.
2) Secure the mounting plate to the wall with screws.
Floor Installation
6 screws (M4 × 25L)(Field supply)
3) Once refrigerant piping and drain piping connections are complete, fill in the gap of the through hole with putty.
A gap can lead to condensation on the refrigerant pipe, and drain pipe, and the entry of insects into the pipes.
4) Attach the front panel and front grille in their original positions once all connections are complete.
5.

Flaring the pipe end

1) Cut the pipe end with a pipe cutter.
2) Remove burrs with the cut surface facing downward so that the chips do not enter the pipe.
3) Fit the flare nut on the pipe.
4) Flare the pipe.
5) Check that the flaring is properly made.
Set exactly at the position shown below.
(Cut exactly
at right
Remove
angles.)
burrs
WARNING
1) Do not use mineral oil on flared part.
2) Prevent mineral oil from getting into the system as this would reduce the lifetime of the units.
3) Never use piping which has been used for previous installations. Only use parts which are delivered with the unit.
4) Do never install a drier to this R32 unit in order to guarantee its lifetime.
5) The drying material may dissolve and damage the system.
6) Protect or enclose the refrigerant tubing to avoid mechanical damage.
7) Incomplete flaring may cause refrigerant gas leakage.
10
mounting plate using 5 screws and the indoor unit using 4 screws.
A
Casing
Flaring
A
Flare tool for R32
Clutch-type Clutch-type (Ridgid-type)
Die A 0-0.5mm
Wall Installation
4 screws (M4 × 25L)(Field supply)
Conventional flare tool
Wing-nut type (Imperial-type)
1.0-1.5mm 1.5-2.0mm
The mounting plate
should be installed on a
wall which can support the
weight of the indoor unit.
A Mounting plate
5 screws
(M4 × 25L)
(Field supply)
Molding
The pipe end must
Flare's inner
be evenly flared in
surface must
a perfect circle.
be scratch-free.
Make sure that the
flare nut is fitted.
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English