Refrigerant Piping Connection; Note On Pipe Length; Connection Instructions -Refrigerant Piping; Cut Pipe - mundoclima MUPR-H11 Manuel D'installation Et L'utilisauter

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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

The length of refrigerant piping will affect the performance and energy efficiency of the unit. Nominal
efficiency is tested on units with a pipe length of 5 meters.
A minimum pipe run of 3 metres is required to minimise vibration & excessive noise.
Refer to the table below for specifications on the maximum length and drop height of piping.
Pipes requirements (R32 refrigerant)
Model
MUPR-09-H11
MUPR-12-H11
MUPR-18-H11
MUPR-24-H11
Connection Instructions – Refrigerant Piping
Step 1: Cut pipes
When preparing refrigerant pipes, take extra
care to cut and flare them properly. This will
ensure efficient operation and minimize the
need for future maintenance.
1. Measure the distance between the indoor
and outdoor units.
2. Using a pipe cutter, cut the pipe a little longer
than the measured distance.
3. Make sure that the pipe is cut at a perfect 90°
angle.
Pipes
Max. Length
(m)
Liquid
Gas
1/4"
3/8"
25
1/4"
3/8"
25
1/4"
1/2"
30
3/8"
5/8"
50
92
Drop Height
Refrigerant
(m)
preload (m)
10
5
10
5
20
5
25
5
DO NOT DEFORM PIPE
WHILE CUTTING
Be extra careful not to damage, dent, or
deform the pipe while cutting. This will
drastically reduce the heating efficiency
of the unit.
Additional
refrigerant (g/m)
12
12
12
24

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