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4
Outdoor Unit Installation Drawings
NOTE
• Installation shall be done by an installer, the choice of materials and installation shall comply with the applicable
legislation. In Europe, the EN378 is the applicable standard that shall be used.
• Ensure that the field piping and connections are not subjected to stress.
• After installation works, attach stop valve cover on the unit to protect flare connections and terminal strip.
353
600
125
**
*
*
**
(Foot bolt-hole
centres)
Allow space for piping
and electrical servicing.
CAUTION
** Set the piping length
from 3m to 30m.
Wrap the insulation
pipe with the finishing
tape from bottom to top.
Stop valve cover
Service lid
Where there is a danger of
the unit falling, use foot bolts,
or wires.
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.
(Foo
t bolt-hole c
entres)
(From
unit’s side)
Max. allowable piping height
Min. allowable piping length
Max. allowable piping length
30m
3m
20m
Liquid pipe
Gas pipe
O.D. 6.4mm
O.D. 15.9mm
20g/m
Additional refrigerant
required for refrigerant
pipe exceeding 10m in
length.
Be sure to add the proper amount of additional refrigerant.
Failure to do so may result in reduced performance.
The suggested shortest pipe length is 3m, in order to avoid
noise from the outdoor unit and vibration.
(Mechanical noise and vibration may occur depending on how
the unit is installed and the environment in which it is used.)
unit: mm
Allow 300mm of
work space below
the ceiling surface.
250mm fr
om wall
3PEN386698-3K.book Page 4 Friday, February 3, 2017 1:18 PM