Aprilaire 8100 Installation Instructions Manual page 11

SySTEM START-Up
Table 2 – Ventilation Air Requirements, CfM
Home Size (ft )
2
≤ 1500
1501 – 3000
3001 – 4500
4501 – 6000
6001 – 7500
> 7500
Table 3 – Cycle Time Setting (minutes)
CfM Delivered
(refer to Table 1)
20
100
15
120 10
140 10
160 10
Example: For a 4,000 ft home with 5 bedrooms, the required mechanical ventilation rate from Table 2 is 90 cfm . If the ERV is operating at 120
2
cfm, set the cycle time on the control for at least 45 minutes/hour .
(CONTINUED)
< 2 2 - 3
30
45
60
75
90
105
30 40 50
20 25 30
15 20 25
15 15 20
10 15 20
Number of bedrooms
4 - 5
45 60
60 75
75 90
90 105
105 120
120 135
CfM Required (from Table 2)
60 70 80
35 40 50
30 35 40
25 30 35
25 25 30
6 - 7
75
90
105
120
135
150
90 100 110
55 60
45 50 55
40 45 50
35 40 45
> 7
90
105
120
135
150
165
120
60
55
50
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