LCAC R32 Series
70
Service manual
5.3 FOR UNITS WITH TWINS FUNCTION
5.3.1 Length and drop height permitted of the refrigerant piping
NOTE:
Reduced length of the branching tube is the 0.5m of the equivalent length of the pipe.
NOTE:
All used branch pipe must be produced by Rotenso, 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 (R32)
Capacity of indoor unit
(A)
Size of main pipe (mm)
Gas side
Liquid side
Available branching pipe
18K
Ø12.7
Ø6.35
CE-FQZHN-01C
24K
Ø15.9
Ø9.5
CE-FQZHN-01C
30K
Ø15.9
Ø9.5
CE-FQZHN-01C
PART 4. INSTALLATION
Содержание J100Wi
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