Daikin RR20AVAK9 Installation & Service Reference page 33

Unit Suction
(Btu) Dia. (in)
1/2 0.99
18000
5/8 1.00
3/4
1.00
5/8 0.99
3/4
24000 1.00
2
1.00
7/8
5/8 0.99
30000 3/4 1.00
7/8 1.00
5/8 0.99
3/4 1.00
36000
3
1.00
7/8
3/4 1.00
42000 7/8 1.00
1 1/8 1.00
3/4 0.99
48000 7/8 1.00
4
1.00
1 1/8
3/4 0.99
60000 7/8 1.00
4
1 1/8 1.00
1
Equivalent length is to be used for capacity multiplier reduction.
2
7/8" suction line is not approved for 2-ton two stage heat pump applications.
3
7/8" suction line is not approved for 3-ton two stage heat pump applications over 80 feet.
4
1-1/8 suction line is not approved for 4-ton and 5-ton two stage heat pump applications over 80 feet.
Unit Suction
(Btu) Dia. (in)
1/2
18000
5/8
3/4
5/8
3/4
24000
2
7/8
5/8
30000
3/4
7/8
5/8
36000 3/4
3
7/8
3/4
42000 7/8
1 1/8
3/4
48000 7/8
4
1 1/8
3/4
60000 7/8
4
1 1/8
Capacity Multiplier for Given Length (ft)
25 50 75 100
0.97 0.96 0.94
0.99 0.99 0.99
1.00 1.00 1.00
0.99 0.98 0.98
1.00 0.99 0.99
1.00 1.00 1.00
0.99 0.98 0.97
1.00 0.99 0.99
1.00 1.00 1.00
0.98 0.96 0.95
1.00 0.99 0.99
1.00 1.00 1.00
0.99 0.99 0.98
1.00 0.99 0.99
1.00 1.00 1.00
0.99 0.98 0.97
0.99 0.99 0.99
1.00 1.00 1.00
0.98 0.97 0.96
0.99 0.98 0.98
1.00 1.00 0.99
Table 5-3. Capacity Multipliers (feet)
Capacity Multiplier for Given Length (m)
7.6 15.2 22.9 30.5
0.99 0.97 0.96 0.94
1.00 0.99 0.99 0.99
1.00 1.00 1.00 1.00
0.99 0.99 0.98 0.98
1.00 0.99 0.99
1.00
1.00 1.00 1.00 1.00
0.99 0.99 0.98 0.97
1.00 1.00 0.99 0.99
1.00 1.00 1.00 1.00
0.99 0.98 0.96 0.95
1.00 1.00 0.99 0.99
1.00 1.00 1.00 1.00
1.00 0.99 0.99 0.98
1.00 1.00 0.99 0.99
1.00 1.00 1.00 1.00
0.99 0.99 0.98 0.97
1.00 0.99 0.99 0.99
1.00 1.00 1.00
1.00
0.99 0.98 0.97 0.96
1.00 0.99 0.98 0.98
1.00 1.00 1.00 0.99
Table 5-4. Capacity Multipliers (meters)
125 150 175
0.94 0.93 0.93
0.98 0.98 0.98
0.99 0.99 0.99
0.97 0.97 0.97
0.99 0.99 0.99
0.99 0.99 0.99
0.96 0.96 0.96
0.99 0.98 0.88
1.00 0.99 0.99
0.94 0.93 0.92
0.98 0.98 0.97
0.99 0.99 0.99
0.97 0.97 0.96
0.99 0.99 0.98
1.00 1.00 1.00
0.96 0.96 0.95
0.98 0.98 0.98
1.00 1.00 1.00
0.94 0.93 0.93
0.97 0.97 0.96
0.99 0.99 0.99
38.1 45.7 53.3
0.94 0.93 0.93
0.98 0.98 0.98
0.99 0.99 0.99
0.97 0.97 0.97
0.99 0.99 0.99
0.99 0.99 0.99
0.96 0.96 0.96
0.99 0.98 0.88
1.00 0.99 0.99
0.94 0.93 0.92
0.98 0.98 0.97
0.99 0.99 0.99
0.97 0.97 0.96
0.99 0.99 0.98
1.00 1.00 1.00
0.96 0.96 0.95
0.98 0.98 0.98
1.00 1.00 1.00
0.94 0.93 0.93
0.97 0.97 0.96
0.99 0.99 0.99
33
1
200 225 250
0.92 0.91 0.89
0.98 0.97 0.97
0.99 0.99 0.99
0.96 0.95 0.95
0.99 0.97 0.97
0.99 0.99 0.99
0.94 0.93 0.92
0.98 0.98 0.97
0.99 0.99 0.99
0.91 0.90 0.88
0.97 0.96 0.96
0.99 0.98 0.98
0.96 0.95 0.94
0.98 0.98 0.97
1.00 1.00 1.00
0.95 0.94 0.93
0.98 0.97 0.97
1.00 0.99 0.99
0.91 0.90 0.89
0.94 0.95 0.95
0.99 0.99 0.99
1
61.0 68.6 76.2
0.92 0.91 0.89
0.98 0.97 0.97
0.99 0.99 0.99
0.96 0.95 0.95
0.99 0.97 0.97
0.99 0.99 0.99
0.94 0.93 0.92
0.98 0.98 0.97
0.99 0.99 0.99
0.91 0.90 0.88
0.97 0.96 0.96
0.99 0.98 0.98
0.96 0.95 0.94
0.98 0.98 0.97
1.00 1.00 1.00
0.95 0.94 0.93
0.98 0.97 0.97
1.00 0.99 0.99
0.91 0.90 0.89
0.94 0.95 0.95
0.99 0.99 0.99