Refrigerant Piping Connection; Note On Pipe Length - mundoclima MUCNR-H9M Manual De Instalación Y De Usario

Refrigerant Piping Connection

When connecting refrigerant piping, do not let substances or gases other than the specified
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)
Model
12
16 (18)
CAUTION
Mark the data plate with the Orifice installed (for some models).
Please purchase the fittings according to the requirements in the manual strictly.
Refer the diagram when installing.
Liquid side
Indoor
Pipes
Liquid Gas
1/4" 3/8"
1/4" 1/2"
Outdoor
Indoor
Max. Length Drop Height
(m) (m)
25 10
30 20
Liquid side
Outdoor
X
78
Refrigerant Additional
preload (m) refrigerant (g/m)
5 12
5 12
Liquid side
Indoor
X
Outdoor