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Table 1. Airflow Balancing Reference HRV3−150−TPD & HRV3−150−TPF
Speed 5 (factory setting)
Speed 4
Speed 3
Pressure Drop
Fresh Air
CFM
Stale Air
CFM
Pressure Drop
Fresh Air
CFM
Stale Air
CFM
Pressure Drop
Fresh Air
CFM
Stale Air
CFM
"w.g.
Pa
"w.g.
Pa
"w.g.
Pa
0.470
118
176
0.300
75
159
0.260
65
139
0.480
120
173
0.310
78
156
0.270
68
135
0.490
123
170
0.320
80
153
0.280
70
131
0.500
125
167
0.330
83
150
0.290
73
127
0.510
128
164
0.340
85
147
0.300
75
124
0.520
130
161
0.350
88
144
0.310
78
120
0.530
133
158
0.360
90
142
0.320
80
116
0.540
135
155
0.370
93
139
0.330
83
113
0.550
138
152
0.380
95
136
0.340
85
109
0.560
140
149
0.390
98
133
0.350
88
138
106
0.570
143
146
0.400
100
130
0.360
90
133
102
0.580
145
143
0.410
103
127
0.370
93
129
99
0.590
148
140
0.420
105
125
0.380
95
124
96
0.600
150
137
0.430
108
122
0.390
98
120
93
0.610
153
134
0.440
110
119
0.400
100
116
90
0.620
155
131
0.450
113
116
0.410
103
112
87
0.630
158
128
0.460
115
113
0.420
105
107
84
0.640
160
125
0.470
118
110
0.430
108
104
81
0.650
163
122
0.480
120
108
0.440
110
100
78
0.660
165
119
0.490
123
105
0.450
113
96
75
0.670
168
117
0.500
125
102
0.460
115
92
72
0.680
170
114
0.510
128
156
99
0.470
118
89
70
0.690
173
111
0.520
130
148
96
0.480
120
86
67
0.700
175
108
0.530
133
139
93
0.490
123
82
64
0.710
178
105
0.540
135
132
91
0.500
125
79
62
0.720
180
176
102
0.550
138
125
88
0.510
128
76
60
0.730
183
165
99
0.560
140
119
85
0.520
130
73
57
0.740
185
156
96
0.570
143
113
82
0.530
133
71
55
0.750
188
148
93
0.580
145
107
79
0.540
135
68
53
0.760
190
140
90
0.590
148
103
77
0.550
138
65
51
0.770
193
133
87
0.600
150
98
74
0.560
140
63
49
0.780
195
127
84
0.610
153
94
71
0.570
143
61
47
0.790
198
122
81
0.620
155
90
68
0.580
145
58
45
0.800
200
117
78
0.630
158
87
65
0.590
148
56
43
0.810
203
113
75
0.640
160
84
62
0.600
150
54
41
0.820
205
109
72
0.650
163
81
60
0.610
153
53
39
0.830
208
106
69
0.660
165
79
57
0.620
155
51
37
0.840
210
103
66
0.670
168
76
54
0.630
158
49
0.850
213
100
0.680
170
74
51
0.640
160
48
0.860
215
98
0.690
173
72
48
0.650
163
46
0.870
218
96
0.700
175
71
0.660
165
45
0.880
220
94
0.710
178
69
0.670
168
44
0.890
223
93
0.720
180
67
0.680
170
43
0.900
225
89
0.730
183
66
0.690
173
42
0.910
228
87
0.740
185
64
0.700
175
41
0.920
230
85
0.750
188
62
0.710
178
40
0.930
233
83
0.760
190
61
0.940
235
81
0.770
193
59
0.950
238
79
0.780
195
57
0.960
240
78
0.790
198
55
0.970
243
76
0.800
200
53
0.980
245
75
0.810
203
50
0.990
248
74
0.820
205
48
1.000
250
73
Refer to ˆInstaller Selectable High Speed Settings˜ in this manual for more information.
NOTE − Door port balancing on the HRV3−150−TPD and HRV3−150−TPF requires a Magnehel-
ic Gauge with a scale of 0 to 1.00" w.c.