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ecotwin
COSMOGAS
6.16 - Refrigerant connections
To connect the refrigerant gas between the indoor and outdoor
units, proceed as follows:
1.-Install the refrigerant connection pipes between the
hydraulic module and the outdoor unit (section 6.16.1);
2.- Make sure that the dimensions of the pipes are respected,
following section 6.13.
The refrigerant pipes carry the heat throughout the system. An
incomplete vacuum or refrigerant gas leak will lead to a loss
of performance, so pay close attention to the following points:
a.- Use a quality refrigerant pipe compliant with the use of
R410A gas.
b.- Perfectly insulate the pipe before connection.
c.- Check the joints to avoid leaks.
d.- Avoid excessive bending of the pipe to ensure smooth
circulation of the refrigerant (Figure 6-14).
e.- Dry the refrigerant pipe to avoid humidity inside the
refrigerant pipe.
f.- In the case of walls between the indoor and outdoor unit, drill
a hole in the wall and install a sleeve. Route the refrigerant
piping through a sleeve.
g.- The insulation of the pipes must be single for each pipe.
Do not insulate the pipes together (Figure 6-15).
The radius of the curve pipes must not be less than 10-15 cm.
Use a template to check it. Create the curves gradually and
carefully, do not use edges to bend the tube.
6 - INSTALLATION
Figure 6-14 - Curve of the pipe
Figure 6-15 - Pipe insulation
10 -15 cm
