UPDATED A5 Panasonic technical handbook F 2025 - Flipbook - Page 60
PACi NX Elite Twin Splits Ð Pipework
Pipe sizes
Twin split ÐU-71PZH4E5/8
(2 X 3650 indoor units)
L
L2
Pipe parameters
1/2Ó & 1/4 Ò
Total pipe length
L + L1 + L2
< 60m
Maximum branch length
L1 or L2
< 15m
Maximum branch length
differences
L1> L2:
L1 Ð L2
< 10m
Height diff, outdoor above
H1 above
< 30m
Height diff, outdoor below
H1 below
< 15m
Height diff, indoor to
indoor
H2
< 0.5m
L1
5/8Ó & 3/8Ó
Additional charge Ð 30g/m
L
CZ-P155BK1
H1
L2
L1
H2
Twin split ÐU-100PZH4E5/8
(2 X 3650 indoor units)
Pipe
sizes
L
5/8Ó & 3/8Ó
L1
L2
1/2Ó & 1/4
Additional charge Ð 40g/m
L
CZ-P155BK1
H1
L1
Total pipe length
L + L1 + L2
< 85m
Maximum branch length
L1 or L2
< 20m
Maximum branch length
differences
L1> L2:
L1 Ð L2
< 10m
Height diff, outdoor above
H1 above
< 30m
Height diff, outdoor below
H1 below
< 15m
Height diff, indoor to
indoor
H2
< 0.5m
Use the main pipe to gain any rise or fall required for the pipes.
" The number of bends should be 8 or less in a single system,
and 15 or less overall.
" Branch pipes should be positioned horizontally.
L2
H2
60
Pipe parameters