Panasonic S-45PU1E5 Technical Data & Service Manual page 378

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1
Piping Connections
For PE1 Type
The following table shows the pipe diameter. (Branch pipe kit should be used)
Outdoor unit main pipe
diameter (mm)
Liquid side : ø9.52
Gas side
: ø15.88
Branch pipe kit (option)
The following table shows the equivalent pipe lengths and height differences.
Total pipe length
Maximum branch pipe length
Maximum branch pipe length difference
Maximum pipe length difference of branch pipe 1
(DOUBLE TWIN)
Maximum pipe length difference of branch pipe 2
(DOUBLE TWIN)
Outdoor located higher installation
Height
difference
Outdoor located lower installation
Height difference between indoor units
For PEY1 Type
The following table shows the pipe diameter. (Branch pipe kit should be used)
Outdoor unit main pipe
diameter (mm)
Liquid side : ø9.52
Gas side
: ø15.88
Branch pipe kit (option)
The following table shows the equivalent pipe lengths and height differences.
Total pipe length
Maximum branch pipe length
Maximum branch pipe length difference
Outdoor located higher installation
Height
difference
Outdoor located lower installation
Height difference between indoor units
Branch pipe diameter
Liquid side
Gas side
TWIN, DOUBLE TWIN
TRIPLE
TWIN
TRIPLE
L+La+Lb
L+La+Lb+Lc
La or Lb
La or Lb or Lc
La > Lb > Lc
La > Lb
La - Lb
Lb - Lc
La - Lb
La - Lc
_____
_____
_____
_____
H2
H2 or H3 or H4
Branch pipe diameter
Liquid side
Gas side
TWIN
SYMBOLS
TWIN
L+La+Lb
Less than 50m
La or Lb
Less than 15m
La > Lb
Less than 10m
La - Lb
H1
Less than 30m
H1
Less than 15m
H2
Less than 0.5m
1-368
Indoor unit combination
S-36
S-45
S-50
ø6.35
ø6.35
ø6.35
ø12.7
ø12.7
ø12.7
CZ-P155BK1
CZ-P3HPC2
SYMBOLS
DOUBLE TWIN
L+La+Lb+Lc+Ld+Le+Lf
La+Lc or La+Ld or Lb+Le
or Lb+Lf
Lb+Lf
MAX
La+Lc
MIN
(Lb + Lf) - (La + Lc)
Lb > La
Lb - La
Ld > Lc
Lf > Le
Ld - Lc
Lf - Le
H1
H1
H2 or H3 or H4 or
H5 or H6 or H7
Indoor unit combination
S-50
S-60
ø6.35
ø9.52
ø12.7
ø15.88
CZ-P155BK1
SPEC
(unit: mm)
S-60
S-71
ø9.52
ø9.52
ø15.88
ø15.88
SPEC
U-60/71P : 50m
U-100/125/140P : 75m
Less than 15m
Less than 10m
Less than 10m
Less than 10m
Less than 30m
Less than 15m
Less than 0.5m
(unit: mm)
S-71
ø9.52
ø15.88

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