User`s manual

27
Combination outdoor unit piping examples:
Branch pipes Header pipe
Combination outdoor unit manifold
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 ø12.7 ø15.88 ø19.05
Gas pipe ø19.05 ø22.22 ø28.58 ø34.92
Liquid pipe ø12.7 ø15.88 ø19.05 ø22.22
Gas pipe ø22.22 ø28.58 ø34.92
DIS-22-1/DIS-180-1
DIS-371-1/DIS-540-2
HEAD6-180-1
DOS-2A-1
Oil equalisation
pipe
Outdoor unit branch
pipe set (DOS-2A-1)
112 112 90 90 90 140 140 140
HEAD8-540-2
112 112 90 90 140 140
Oil equalisation
pipe
Outdoor unit branch
pipe set (DOS-2A-1)
90 140
Indoor unit's first branching piping
Total capacity of
indoor units
~179
180~370
371~539
540~
Branch piping set
DIS-22-1
DIS-180-1
DIS-371-1
DIS-540-2
Header set
Model
HEAD4-22-1
HEAD6-180-1
HEAD8-371-1
HEAD8-540-2
Branches
Max 4 branches
Max 6 branches
Max 8 branches
Max 8 branches
Piping arrangement using header
Piping arrangement using
branch pipe kits
Floor
Floor
Floor
Good
Good
No
No
Floor
Vertically
Horizontally
Outdoor unit's branching piping
Outdoor unit
2 units (for 735~1360)
Branch piping set
DOS-2A-1
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"
Furthest indoor unit
=<90m
Furthest indoor unit
=>90m
Pipe sizes applicable to European installations.
refrigerant piping