EQUIPMENT SELECTION PROCEDURE
Table 100:
Multi F MAX Outdoor Unit to Branch Distribution Unit Refrigerant Line Length Derates.
Main Piping Length (feet)
16.4
32.8
49.2
65.6
82.0
98.4
114.8
131.2
147.6
164.0
180.4
Cooling Capacity (%)
100.0
98.8
97.3
95.8
94.3
92.8
91.3
89.8
88.3
86.8
85.3
Heating Capacity (%)
100.0
99.6
99.2
98.7
98.3
97.8
97.4
96.9
96.5
96.0
95.6
0
32.8
65.6
98.4
131.2 164.0 180.4
Main piping length (ft.)
70.0
75.0
80.0
85.0
90.0
95.0
100.0
Capacity (%
)
Heating
capacity
Cooling
capacity
Figure 247:
Multi F MAX Outdoor Unit to Branch Distribution Unit Refrigerant Line Length Derate Chart.
Table 101:
Multi F MAX Branch Distribution Unit to Indoor Unit Refrigerant Line Length Derates.
Piping Length (feet)
Cooling Capacity (%)
Heating Capacity (%)
7,000 Btu/h Indoor Unit Models
16.4
100.0
100.0
32.8
98.0
99.5
49.2
96.0
98.9
9,000 Btu/h Indoor Unit Models
16.4
100.0
100.0
32.8
97.5
98.8
49.2
95.0
97.5
12,000 Btu/h Indoor Unit Models
16.4
100.0
100.0
32.8
97.0
98.3
49.2
94.0
96.5
15,000 Btu/h Indoor Unit Models
16.4
100.0
100.0
32.8
97.2
98.2
49.2
93.0
95.4
18,000 Btu/h Indoor Unit Models
16.4
100.0
100.0
32.8
98.3
99.5
49.2
96.5
99.0
24,000 Btu/h Indoor Unit Models
16.4
100.0
100.0
32.8
97.8
99.2
49.2
95.5
98.4
36,000 Btu/h Indoor Unit Models
16.4
100.0
100.0
32.8
97.9
98.8
49.2
95.7
97.6
Due to our policy of continuous product innovation, some specifications may change without notification.
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178 | APPLICATION GUIDELINES
Multi F and Multi F MAX Indoor Unit Engineering Manual
MULTI
F
MAX
MULTI
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