Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 1054

FDC-HKXR
(2) Refrigerant piping size selection
Outdoor unit
connection pipe
FDCP2001 FDCP2501
type type
×
Liquid φ12.7 φ12.7
1.0
piping
mm mm
×
φ25.4 φ28.58
Intake gas
1.4
piping
mm mm
×
φ19.05 φ19.05
Discharge 1.2
gas piping mm mm
Notes (1) This shows the total capacity of the indoor units connected after indicated branch pipe.
(2) 1 flow divider pipe set is required for each division.
Branch pipe set part shapes
Symbol Name
ID
φ 19.05
φ 15.88
1
ID
φ 15.88
2
φ 12.7
Branch pipe
3
a Reducer
Shapes of accessory parts for brunch pipe set for vertical divides (DIS-V1KXR3-E)
Classifi-
Symbol Branch pipe
cation
ID
1
ID φ15.88 φ19.05
2
φ12.7
424
3
1052
Branch line
Downstream indoor
unit capacity total
less than 160
160 or
(not including 160)
more
90 or more
× × ×
φ12.7 φ9.52
1.0 1.0 0.8
mm mm
× × ×
φ25.4 φ19.05
1.4 1.4 1.2
mm mm
× × ×
φ19.05 φ15.88
1.2 1.2 1.0
mm mm
(DIS-1KXR3-E)
Part shape Quantity
φ 15.88
φ 25.4
φ 25.4
φ 12.7
φ 19.05
φ 25.4
φ 12.7
φ 19.05
φ 15.88
519
φ 15.88
φ 19.05
φ 19.05
φ 12.7
φ 19.05
φ 12.7
φ 15.88
424
247
OD
ID
25.4
28.58
100
Classifi-
cation
285 120
φ15.88
φ19.05
φ12.7
φ19.05
φ15.88 φ12.7
247
Indoor unit
connection pipe
(1)
22,28,36,45 56,71,90
less than 90
(not including 90) type type
× × ×
φ9.52 φ6.35 φ9.52
0.8 0.8
mm mm mm
×
φ15.88
1.0
× ×
φ12.7 φ15.88
mm
1.0
mm mm
×
φ12.7
1.0
mm
Remarks
1 Intake gas piping
1 Discharge gas piping
1 Liquid piping
Intake gas piping
1
(FDCP2501HKXRE2)
Symbol Branch pipe
100
—
ID28.58
OD25.4
100
—
OD
ID
19.05 φ25.4
Reference 1: Be sure to install the
vertical flow divider
coupling (both) for
gas and liquid) as
"vertical divide" as
illustrated below.
Floor
Flow divide controller
connection pipe
models
112,140
Outdoor
Indoor
type
side
× ×
φ9.52 φ9.52 φ9.52
0.8 0.8 0.8
mm mm
φ15.88
× ×
φ19.05 φ15.88
1.0 1.2 1.0
mm mm
φ12.7
Notes (1) Each flow divider pipe is
surrounded with insulation.
(2) Each pipe is cut off in the
middle of the diameter that
is used in that locality.
Notes (1) Insulation is provided to
all flow divider pipes.
(2) Cut off the flow divider
pipes in the center to
match the diameter of the
piping used on site.
side
×
0.8
mm
×
1.0
mm
×
1.0
mm