Refrigerant Piping Connection; Note On Pipe Length - Pioneer FYB018GMFILCAD Owners And Installation Manual

Refrigerant Piping Connection

When connecting refrigerant piping, do not let substances or gases other than the speci ed
refrigerant enter the unit. The presence of other gases or substances will lower the unit' s capacity,
and can cause abnormally high pressure in the refrigeration cycle. This can cause explosion and
injury.

Note on Pipe Length

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 the following table :
The Maximum Length And Drop Height Based on Models. (Unit: m/ft.)
Type of model
North America,
Australia and the
eu frequency
conversion Split
Type
Other Split Type
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.
Liquid side
Indoor
Outdoor
Capacity (Btu/h) Length of piping
<15K
≥15K - <24K
≥24K - <36K
≥36K - ≤60K
12K
18K-24K
30K-36K
42K-60K
Indoor
25/82
30/98.4
50/164
75/246
15/49
25/82
30/98.4
50/164
Liquid side
Outdoor
X
Maximum drop height
10/32.8
20/65.6
25/82
30/98.4
8/26
15/49
20/65.6
30/98.4
Liquid side
Indoor
Outdoor
X
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