Engineering

Options for BP Unit EDUS181520C
476 Options
Joint
GAS SIDE
LIQUID SIDE
"A" ARROW VIEW
INSTALLATION PRECAUTIONS
±30˚
A
Vertical
Insulation of Joint
Part A
Connections
Connections
Part A
Joint JointJoint
Part B
To outdoor unit
LIQUID SIDE JOINT2
Inlet
Connections
GAS SIDE JOINT1
According to SELECTION PROCEDURE, cut the pipe with a pipe cutter for use.
Outlet (2)
Outlet (1)
• Make sure to flow nitrogen gas through the pipe when brazing.
Inlet
• (Ex.) FOR KHRP26A33T
Outlet (1)
Outlet (2)
To outdoor unit
Field pipe
φ19.1 or φ15.9
Field pipe
φ15.9 or φ12.7
Field pipe
φ9.5 or φ6.4
Field pipe
φ9.5
Field pipe
φ19.1 or φ15.9
Field pipe
φ22.2 or φ19.1
Field pipe
φ12.7 or φ9.5
Field pipe
φ22.2 or φ19.1
To next joint or
indoor unit
To next joint or
indoor unit
Note) For the size of inlet is φ19.1 or
the size of outlet (1) is φ19.1,
the size of outlet (2) is φ15.9.
Note) For the size of inlet is φ9.5 or
the size of outlet (1) is φ9.5,
the size of outlet (2) is φ9.5.
Note) For the size of outlet (1) is φ22.2 or
the size of outlet (2) is φ19.1.
• Cut the pipe with a pipe cutter. • Cut the pipe with a pipe cutter.
Cut in the center of the connections. Cut in the center of the connections. Cut in the center of the connections.
Pipe size reducer
(Supplied)
Cut in the center of the part A
and connect a field pipe.
Cut in the center of the part A
and connect a field pipe.
Cut in the center of the part B,
use Pipe size reducer (supplied)
and connect a field pipe.
Be sure to insulate the gas and liquid side Joint.
Note) The insulation of the refrigerant piping must be reinforced based on the environment of installation.
Otherwise, dew may condensate on the surface of the insulation. For details, see Engineering Data.
• Set the insulation matching the joint and wind the field supplied tape from the center without any
clearances on the matching face of insulation.
• Seal the insulation and field piping insulation joint with the field supplied tape.
• Insulate by the same method as gas side joint.
Insulation
(Supplied)
Tape
(Field supply)
Field piping
insulation
• Install the Joint so that it is branched vertically or horizontally.
Horizontal
(Inclination 30˚ Max.)
Max.
±30˚
• Do not apply extra force on the piping part. The brazed part may be damaged and it may result in gas leakage.
2P182411-1