Daikin VAM Series Engineering Data page 23

EDMMT712101
1.4.2 Based on Residential Building Room Size
A) Ventilation Rate. A mechanical exhaust system, supply system, or combination thereof, shall be installed to operate for each
dwelling unit to provide continuous dwelling-unit ventilation with outdoor air at a rate not less than specified in Section A-1.
A-1) Total Ventilation Rate. The total required ventilation rate (Q
alternatively calculated using Equation i (I-P) or ii (SI).
Q = 0.03A
tot floor
where
Q = total required ventilation rate, cfm
tot
A = dwelling-unit floor area, ft²
floor
N = number of bedrooms (not to be less than 1)
br
Q = 0.15A
tot floor
where
Q = total required ventilation rate, L/s
tot
A = dwelling-unit floor area, m²
floor
N = number of bedrooms (not to be less than 1)
br
The above equation (i) and (ii) conforms to ASHRAE Standard 62.2-2019
Table i (I-P) Ventilation Air Requirements, cfm
Floor Area, ft²
<500
501 to 1000
1001 to 1500
1501 to 2000
2001 to 2500
2501 to 3000
3001 to 3500
3501 to 4000
4001 to 4500
4501 to 5000
Table ii (SI) Ventilation Air Requirements, L/s
Floor Area, m²
<47
47 to 93
94 to 139
140 to 186
187 to 232
233 to 279
280 to 325
326 to 372
373 to 418
419 to 465
The values from Table (i) and (ii) are taken from ASHRAE Standard 62.2-2019
VAM-HVE/HVLT Series
+ 7.5(N + 1) (i)
br
+ 3.5(N + 1) (ii)
br
1
30
45
60
75
90
105
120
135
150
165
1
14
21
28
35
42
49
56
63
70
77
) shall be as specified in Table i (I-P) or ii (SI) or
tot
Bedrooms
2 3
38 45
53 60
68 75
83 90
98 105
113 120
128 135
143 150
158 165
173 180
Bedrooms
2 3
18 21
24 28
31 35
38 42
45 49
52 56
59 63
66 70
73 77
80 84
Product Introduction
4 5
53 60
68 75
83 90
98 105
113 120
128 135
143 150
158 165
173 180
188 195
4 5
25 28
31 35
38 42
45 49
52 56
59 63
66 70
73 77
80 84
87 91
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