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Refrigerant Piping Connection; Notes On Pipe Length And Elevation - INVENTOR V7DI-12WiFiR/U7RS-12 Installationshandbuch

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Refrigerant Piping Connection

Safety Precautions
WARNING
• All field 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.
Page 18
ƒPage 18

Notes On Pipe Length and Elevation

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:
Table 7.1: The Maximum Length And Drop
Height Based on Models. (Unit: m/ft.)
Type of model
Capacity
(Btu/h)
<15K
North America,
Australia and the
≥15K - <24K
eu frequency
≥24K - <36K
conversion Split
Type
≥36K - ≤60K
12K
18K-24K
Other Split Type
30K-36K
42K-60K
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

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