Daikin Air Conditioner Instrukcja instalacji - Strona 2
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Outdoor Unit Installation Drawings
Model
15 class
18 class
Max. allowable length
98.4 ft
Min. allowable length
4.9 ft
Max. allowable height
65.6 ft
Additional refrigerant
required for refrigerant
0.22 oz/ft
pipe exceeding 33 ft in
length.
Gas pipe
O.D. 1/2"
Liquid pipe
O.D. 1/4"
In sites with poor drainage,
use block bases for outdoor
unit.
Adjust foot height until the
unit is leveled. Otherwise,
water leakage or pooling of
water may occur.
Installation Guidelines
• Where a wall or other obstacle is in the path of outdoor unit's intake or exhaust airflow, follow the installation
guidelines below.
• For any of the below installation patterns, the wall height on the exhaust side should be 4 ft or less.
Wall facing one side
More than 3 15/16
More than 13 3/4
47 3/16
or less
Side view
Walls facing three sides
More than
3 15/16
More
than 13 3/4
More than 1 15/16
Top view
Unit: in
Wrap the insulation
pipe with the finishing
tape from bottom to top.
24 class
O.D. 5/8"
CAUTION
Set the piping length to
4.9 ft or longer.
Service lid
Allow space for piping
and electrical servicing.
Where there is a danger of
the unit falling, use foot bolts,
or wires.
Walls facing two sides
More than 13 3/4
More
than 3 15/16
More than 1 15/16
More than 1 15/16
Top view
Outdoor Unit Installation
1.
Installing Outdoor Unit
1) When installing the outdoor unit, refer to "Precautions for Selecting the Location" and the "Outdoor Unit
Installation Drawings."
2) If drain work is necessary, follow the procedures below.
2.
Drain Work
1) Use drain plug for drainage.
2) If the drain port is covered by a mounting base or floor surface, place additional
foot bases of at least 1 1/4" in height under the outdoor unit's feet.
3) In cold areas, do not use a drain hose with the outdoor unit.
(Otherwise, drain water may freeze, impairing heating performance.)
3.
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) Put the flare nut on the pipe.
4) Flare the pipe.
5) Check that the flaring is properly made.
Warning
1) Do not use mineral oil on flared part.
2) Prevent mineral oil from getting into the system as this would reduce the unit life.
3) Never use piping which has been used for previous installations. Only use parts which are provided with the unit.
4) Do never install a refrigerant drier to this unit.
5) The drying material may dissolve and damage the system.
6) Incomplete or improper flaring may cause refrigerant gas leakage.
4.
Refrigerant Piping
Caution
1) Use the flare nut fixed to the main unit. (To prevent cracking of the flare nut by aged deterioration.)
2) To prevent gas leakage, apply refrigeration oil only to the inner surface of the flare. (Use refrigeration oil for
R410A.)
3) Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage.
Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand. Then tighten them fully with the
torque wrenches.
[Apply oil]
Do not apply refrigeration
oil to the outer surface.
Flare nut
Do not apply refrigeration oil to the flare
nut avoid tightening with over torque.
Flare nut tightening torque
Gas side
Liquid side
1/2 inch
5/8 inch
1/4 inch
36.5~44.5ft • Ibf 45.6~55.6ft • Ibf
10.4~12.7ft • Ibf
Bottom frame
Drain plug
Hose (available commercially,
inner dia. 16mm)
(Cut exactly at
right angles.)
Remove burrs
Flaring
Set exactly at the position shown below.
A
Flare tool for R-410A
Conventional flare tool
Clutch-type
Clutch-type (Rigid-type)
A
0 ~ 0.020"
0.039 ~ 0.059"
Die
Flare's inner
surface must
be flaw-free.
[Tighten]
Apply refrigeration oil to the
Torque wrench
inner surface of the flare.
Spanner
Piping union
Flare nut
Valve cap tightening torque
Gas side
Liquid side
1/2 inch
5/8 inch
1/4 inch
35.5~44.0ft • Ibf 32.5~39.7ft • Ibf
15.9~20.2ft • Ibf
Service port cap tightening torque
7.9~10.8ft • Ibf
Drain-water hole
Wing-nut type (Imperial-type)
0.059 ~ 0.079"
Check
The pipe end must
be evenly flared in
a perfect circle.
Make sure that the
flare nut is fitted.