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IM 893-10 • ROOFPAK SINGLEZONE UNITS 30 www.DaikinApplied.com
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Piping Connections, RFS/RCS Units
Figure 35: Refrigerant Piping Connection Locations Example
Table 9: 015D – 140D Connection Sizes and Locations*
Dimension
Component
Circuit
Piping Dimension (inches)
015D - 026D
030D - 042D
045D - 068D
070D - 079D
080D - 105D
110D - 140D
A
Liquid line #1/#2
Ckt.1 & 2
16.7
12.9
12.0
13.5
11.2
20.8
B
HGBP line #1/#2
Ckt.1 & 2
24.0
25.4
25.9
25.9
28.1
25.9
C
Suction line #1/#2
Ckt.1 & 2
32.7
29.3
29.4
32.3
32.3
32.4
D
Liquid line #1/#2
Ckt.1 & 2
8.38
8.38
8.38
8.38
8.38
8.38
E
HGBP line #1/#2
Ckt.1 & 2
6.02
6.02
6.02
6.02
6.02
6.02
F
Suction line #1/#2
Ckt.1 & 2
6.62
6.62
6.62
6.62
6.62
6.62
Table 10: 015D – 140D Piping Diameter*
Component
Circuit
Piping Diameter (inches)
015D -
016D
020D -
021D
025D -
026D
030D -
031D
035D
042D
045D
050D -
051D
061D
063D
068D
Liquid line #1/#2
Ckt.1 & 2
5/8
5/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
HGBP line #1/#2
Ckt.1 & 2
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
Suction line #1/#2
Ckt.1 & 2
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
Component
Circuit
Piping Diameter (inches)
070D -
071D
075D -
079D
080D -
081D
085D
090D -
091D
100D -
101D
105D
110D
120D
125D
140D
Liquid line #1/#2
Ckt.1 & 2
7/8
7/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
HGBP line #1/#2
Ckt.1& 2
7/8
7/8
7/8
7/8
7/
7/8
7/8
7/8
7/8
7/8
7/8
Suction line #1/#2
Ckt.1& 2
2-5/8
2-5/8
2-5/8
2-5/8
2-5/8
2-5/8
2-5/8
2-5/8
2-5/8
2-5/8
2-5/8
* For fixed speed compressors only
A
B
A
B
C
C
D
D
E
E
F
F