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9 Piping work and
refrigerant charge
TCGB0070 rev.3 - 04/2012
118
Do not fix the refrigerant and water pipes directly with the metal fittings (refrigerant piping may expand and contract). Some
examples for suspension method are shown below.
For Suspending
Heavies
For piping along
the wall
For instant insta-
llation work
9.5.3
Pipe work and connection
Before performing the pipe work and pipe connections, the unit cover must be removed (follow chapter
Indoor Unit Insta
-
llation
in reverse).
Piping location
Refer to the figure below detailing the location of the refrigerant pipes, dimensions and connection sizes.
N O T E
There is a label behind the pipes indicating its circuit connection.
Refrigerant
liquid pipe
Refrigerant gas
pipe
Refrigerant liquid pipe
Refrigerant gas piping
Water inlet/outlet pipe
Water inlet
Water outlet
•
Refrigerant Pipe Connections
-
The indoor unit is set up to be connected by Flare Nut (factory supplied). Perform the indicated pipe work by
maintaining the dimensions indicated in the following tables.