Carrier XCT7 Installations- Und Benutzerhandbuch Seite 26

Installation Procedure
Pipe length and drop (m)
Total pipe length
Outdoor to the farthest
indoor length
The outdoor unit to the first branch pipe length
(main piping)
The first branch pipe to the farthest indoor
unit pipe length
The distance between the nearest indoor
unit and the farthest indoor
The height difference
between
the indoor and outdoor
H
Indoor machine maximum drop h
The indoor unit and the nearest branch length
Note:
The equivalent length of pipe is divided in to equivalent pipe length of 0.5 meters.
As much as possible, the indoor unit should be installed on both sides of the differences between the two sides.
Branch pipe
Branch pipe selection:
Total indoor capacity (100W)
less than 335
more than 335, less than 506
more than 506, less than 730
more than 730, less than 1360
more than 1360
Outdoor unit type
The master unit will be the closest one to the 1st branch pipe. Note:
1. When connecting the gather pipe and the outdoor unit, please pay attention to the outdoor pipe dimension.
2. When adjusting the diameter among gather pipes and the units, please execute from the branch pipe side.
3. Please install the gather pipe (gas/liquid side) in horizontal or vertical direction.
4. When welding with hard solder, please blow nitrogen. If not, a number of oxides will be produced and cause
heavy damage. Besides, to prevent water and dust into the pipe, please make the brim as outer roll.
Adhesives
Cut off the pipe with the cutter
Allowable
value
1100
Actual length 220
Equivalent length 260
130
90
Outdoor unit 90
above
Outdoor unit
under
Model (optional)
40VJO12M7-HQEE
40VJO18M7-HQEE
40VJ026M7-HQEE
40VJ048M7-HQEE
40VJ072M7-HQEE
Prepare on field
Cut off at the middle
For example
L1+(L2+L3+L5+L6+L9+L25+L13+L15+L16+L18+L22) x2+ ...+L24.
L1+L2+L3+L6+L8
L2+L3+L6+L8
L2+L3+L6+L8-L2-L5-L10
L4\L8\L9\L10\L11\L12\L14\L17\L19\L20\L21\L23\L24
Seal the connection and wrap the
heat insulator with an adhesive tape
Horizontal
Floor
Right
19
L1
H
h
Wrong
Remarks
Floor