3 Piping work and refrigerant charge
Refrigerant piping range
SMGB0136 rev.0 - 07/2021
58
Horizontal
To indoor
unit
To outdoor unit
Vertical
To Indoor unit
Fixing the branch pipe to the
surface of pillar or wall
Horizontal
Horizontal
Fixing the branch pipe to
ceiling or beam
? NOTE
Fix the piping from outside of insulation or inserting absorber between the pipe and a xing metal.
3 Correct position of distributor (available also for quad installation)
This is the correct position This is wrong position
Greater
than 0.5 m
Main pipe
Refrigerant direction
Up
Branch pipe
Main pipe
Refrigerant
direction
Down
Main pipe
Refrigerant direction
Branch pipe
Branch
pipe
Refrigerant
direction
Branch pipe
Main pipe
4 Correct position of Triple Branch Pipe (Standard series only).
• Install the header horizontally
Sample: Triple Branch pipe
Gas piping
Liquid piping
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