User`s manual

43
Floor
Floor
Floor
Good
No
No
Good
Floor
Vertically
Horizontally
Outdoor unit (HP) 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48
Liquid pipe
ø9.52
Suction Gas pipe
Furthest indoor unit
ø19.05
ø15.88
ø15.88
ø22.22
ø22.22
ø28.58
ø28.58
ø34.92
ø22.22 ø28.58
ø19.05
ø19.05 ø22.22
ø34.92
ø28.58
ø12.7 ø15.88 ø19.05 ø22.22
ø12.7 ø15.88 ø19.05
Discharge Gas Pipe
=<90m
Liquid pipe
Suction Gas pipe
Furthest indoor unit
Discharge Gas Pipe
>90m
DIS-22-1-R/DIS-180-1-R DOS-2A-1-R
Oil equalisation
pipe(1)
Outdoor unit branch
pipe set (DOS-2A-1-R)
PFD1123-E PFD1123X4-E PFD2803-E
90
56
28 90
36 140 90 90
Oil equalisation
pipe(1)
Outdoor unit branch
pipe set (DOS-2A-1-R)
PFD1123X4-EPFD1123X4-E PFD1123-EPFD1123-E
56
28 90
36 56 56
28 90
36
90 90
Indoor unit's first branching piping
Total capacity of indoor units
~179
180~370
371~539
540~
Branch piping set
DIS-22-1-R
DIS-180-1-R
DIS-371-2-R
DIS-540-2-R
For Down Stream of PFD box
Total capacity of indoor units
~179
180~370
371~539
Branch piping set
DIS-22-1
DIS-180-1
DIS-371-1
Outdoor unit's branching piping
Outdoor unit
2 units (for 735~1360)
Branch piping set
DOS-2A-1-R
mm inchmm inch
ø9.52 3/8"
ø12.7 1/2"
ø15.88 5/8"
ø19.05 3/4"
ø22.22 7/8"
ø25.4 1"
ø28.58 1
1/8
"
ø31.8 1
1/4
"
ø34.92 1
3/8
"
ø38.1 1
1/2
"
ø44.5 1
3/4
"
ø50.8 2"
PFD1123-E
Pipe sizes applicable to European installations.
refrigerant piping