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Side (bottom) connection
Remove the knockout hole on the bottom frame and lead out the
piping from the bottom frame.
1
4
6
7
8
1 Liquid pipe stop valve
2 Suction gas pipe stop valve
3 High/low pressure gas pipe stop valve
4 Filed connection piping kit (accessory)
5 Knockout hole
6
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8
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INFORMATION
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NOTE
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fi
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≤φ1 in. (25.4 mm)
1
1
NOTE
Be sure to use the supplied accessory pipes when carrying out pip-
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connection, be sure to protect the piping with suitable insulation, to
prevent it from coming into contact with the casing generated.
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ing accessory pipes supplied as accessory.
NOTE
Make sure that the onsite piping does not come in contact with other
piping, the bottom frame or side panels of the unit.
The connections to the branch kits are the responsibility of the installer
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8.2.4. Precautions when connecting piping between outdoor
units (multiple outdoor units system)
To connect the piping between outdoor units, an optional multi con-
nection piping kit BHFP26P100U/BHFP26P100UA and
BHFP26P151U/BHFP26P151UA are always required. When install-
ing the piping, follow the instructions in the installation manual that
comes with the kit.
3P362438-5N English
2
3
5
Open knockout
hole here
4
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c
cc
or
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r i
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>φ1 in. (25.4 mm)
1
2
2
1
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Only proceed with piping work after considering the limitations on
installing listed here and in the chapter 8.2. Connecting the refriger-
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delivered with the kit.
8.2.5. Possible installation patterns and configurations
The piping between the outdoor units must be routed level or
slightly upward to avoid the risk of oil retention into the piping.
Pattern 1
1
2
1
2
1
To indoor units
2
Piping between outdoor units
Prohibited patterns: change to pattern 1 or 2
1
2
1
To indoor units
2
Piping between outdoor units
To avoid the risk of oil retention to the outmost outdoor unit, always
connect the stop valve and the piping between outdoor units as
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Prohibited patterns: change to pattern 1 or 2
1
2
1
2
1
To indoor units
2
Oil collects to the outmost outdoor units
-
Change to configuration as in figure belo
1
2
1
To indoor units
2
Oil collects to the outmost outdoor units
Correct configuration
1
1
To indoor units
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Pattern 2
1
2
1
2
1
2
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2
2
2
2
1
1
2
2
1
1
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