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50
36
A
IRFLOW
C
HARTS
(205MAX)
The 205MAX units have three airflow charts for their installer adjustable fan curves. Refer to
in this manual for instructions on how to adjust the circuit board DIP switches.
Hi 3
Hi 2
Hi 1
Pressure
Drop
Supply
Airflow
Exhaust
Airflow
Pressure
Drop
Supply
Airflow
Exhaust
Airflow
Pressure
Drop
Supply
Airflow
Exhaust
Airflow
(“w.g.) (Pa) (cfm)
(cfm)
(“w.g.) (Pa) (cfm)
(cfm)
(“w.g.) (Pa) (cfm)
(cfm)
1.03
257
124
128
0.85
212
88
90
0.78
194
63
65
1.04
259
122
126
0.86
214
86
88
0.79
197
61
63
1.05
262
120
124
0.87
217
84
86
0.80
199
60
62
1.06
264
117
121
0.88
219
82
83
0.81
202
58
60
1.07
267
115
119
0.89
222
80
82
0.82
204
56
59
1.08
269
113
117
0.90
224
78
80
0.83
207
54
57
1.09
272
111
115
0.91
227
76
78
0.84
209
53
56
1.10
274
108
113
0.92
229
74
76
0.85
212
51
55
1.11
277
106
110
0.93
232
72
74
0.86
214
49
53
1.12
279
104
108
0.94
234
70
72
0.87
217
48
52
1.13
282
102
106
0.95
237
69
70
0.88
219
46
51
1.14
284
99
104
0.96
239
67
69
0.89
222
45
50
1.15
287
97
101
0.97
242
65
67
0.9
224
43
49
1.16
289
95
99
0.98
244
63
65
0.91
227
42
48
1.17
292
92
97
0.99
247
61
63
0.92
229
40
47
1.18
294
90
95
1.00
249
59
62
0.93
232
-
46
1.19
297
88
92
1.01
252
58
60
0.94
234
-
45
1.20
299
86
90
1.02
254
56
59
0.95
237
-
45
1.21
302
83
88
1.03
257
54
57
0.96
239
-
44
1.22
304
81
86
1.04
259
53
56
0.97
242
-
43
1.23
306
79
84
1.05
262
51
54
0.98
244
-
43
1.24
309
77
81
1.06
264
49
53
0.99
247
-
42
1.25
311
74
79
1.07
267
48
51
1.00
249
-
42
1.26
314
72
77
1.08
269
46
50
1.01
252
-
41
1.27
316
70
75
1.09
272
44
49
1.02
254
-
41
1.28
319
68
72
1.10
274
43
47
1.03
257
-
41
1.29
321
65
70
1.11
277
41
46
1.04
259
-
41
1.30
324
63
68
1.12
279
40
45
1.05
262
-
40
1.31
326
61
66
1.13
282
-
44
-
-
-
-
1.32
329
58
63
1.14
284
-
43
-
-
-
-
1.33
331
56
61
1.15
287
-
41
-
-
-
-
1.34
334
54
59
1.16
289
-
40
-
-
-
-
1.35
336
52
57
-
-
-
-
-
-
-
-
1.36
339
49
54
-
-
-
-
-
-
-
-
1.37
341
47
52
-
-
-
-
-
-
-
-
1.38
344
45
50
-
-
-
-
-
-
-
-
1.39
346
43
48
-
-
-
-
-
-
-
-
1.40
349
40
46
-
-
-
-
-
-
-
-
1.41
351
-
43
-
-
-
-
-
-
-
-
1.42
354
-
41
-
-
-
-
-
-
-
-