Refrigerant Piping Connection - EAS ELECTRIC ECM Serie Manual De Instrucciones

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Refrigerant Piping Connection

Safety Precautions
WARNING
All eld piping must be completed by a
licensed technician and must comply with
the local and national regulations.
When the air conditioner is installed in a
small room, measures must be taken to
prevent the refrigerant concentration in
the room from exceeding the safety limit
in the event of refrigerant leakage. If the
refrigerant leaks and its concentration
exceeds its proper limit, hazards due to
lack of oxygen may result.
When installing the refrigeration system,
ensure that air, dust, moisture or foreign
substances do not enter the refrigerant
circuit. Contamination in the system may
cause poor operating capacity, high
pressure in the refrigeration cycle,
explosion or injury.
Ventilate the area immediately if there is
refrigerant leakage during the installation.
Leaked refrigerant gas is both toxic and
flammable. Ensure there is no refrigerant
leakage after completing the installation
work.
Refrigerant Piping with Twin Indoor Units
When installing multiple indoor units to a single
outdoor unit, ensure that the length of the
refrigerant pipe and the drop height between
the indoor and outdoor
units meets the following
requirements:
The drop height
between indoor
unit
and outdoor unit
must be less than
or equal to 20m
(65.6')
Page 18
Ensure that the length of the refrigerant pipe, the
number of bends, and the drop height between
the indoor and outdoor units meets the
requirements shown in Table 7.1:
Indoor
Outdoor unit
L
H2
The line branch pipe
Notes On Pipe Length and Elevation
Table 7.1: The Maximum Length And Drop
Height Based on Models. (Unit: m/ft.)
Type of model
Capacity
(Btu/h)
<52
North America,
Australia and the
52 - <71
eu frequency
71- <105
conversion Split
Type
105 - 170
35
52-71
Other Split Type
90-105
125-170
CAUTION
Mark the data plate with the Ori ce
installed(for some models).
Please purchase the ttings according to the
requirements in the manual strictly.
Refer the diagram when installing.(See Fig. 7.2)
Liquid side
Indoor
Outdoor
Liquid side
Outdoor
X
Indoor unit
L1
The drop height
H1
L2
than or equal to
Indoor unit
7
Length of
Maximum drop
piping
height
25/82
10/32.8
30/98.4
20/65.6
50/164
25/82
65/213
30/98.4
15/49
8/26
25/82
15/49
30/98.4
20/65.6
50/164
30/98.4
Liquid side
Indoor
X
Fig. 7.2
between two
indoor units
must be less
Fig. 7.1
50cm (19.6")
V.2
Outdoor

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