Refrigerant pipe installation
Installation 107
Note: All used branch pipe must be produced by Midea, otherwise it causes malfunction.
The indoor units should be installed equivalently at the both side of the U type branch
pipe.
Permitted Value Piping
Pipe
Length
Total pipe length (Actual)
18K+18K 30m
L+L1+L2 24K+24K 50m
30K+30K 50m
Max. branch pipe length 15m L1, L2
Max. branch pipe length difference 10m L1-L2
Drop
Height
Max. height difference between
indoor unit and outdoor unit
20m H1
Max. height difference between
indoor units
0.5m H2
5.3.2 Size of joint pipes for indoor unit (R410a)
5.3.3 Size of joint pipes for outdoor unit (R410a)
5.3.4 The branching pipe must be installed horizontally, error angle of it should not large than 10°. Otherwise,
malfunction will be caused.
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