28
Airflow Information
Table 8. Cooling Airflow Settings
SWITCH
SETTING
RECOMMENDED
AIRFLOW (CFM)
SWITCH
SETTING
RECOMMENDED
AIRFLOW (CFM)
5 6 7 8
5 6 7 8
0 0 0 0
2
T
O
N
800
0 0 0 0
800
1 0 0 0
875
1 0 0 0
2.5
T
O
N
875
0 1 0 0
925
0 1 0 0
925
1 1 0 0
1000
1 1 0 0
1000
0 0 1 0
1075
0 0 1 0
1075
1 0 1 0
1125
1 0 1 0
1125
0 1 1 0
1175
0 1 1 0
1175
1 1 1 0
1225
1 1 1 0
1225
0 0 0 1
1300
0 0 0 1
1300
1 0 0 1
1350
1 0 0 1
1350
0 1 0 1
1400
0 1 0 1
1400
1 1 0 1
1450
1 1 0 1
1450
0 0 1 1
1500
0 0 1 1
1500
1 0 1 1
1525
1 0 1 1
1525
0 1 1 1
1560
0 1 1 1
1560
1 1 1 1
1600
1 1 1 1
1600
SWITCH
SETTING
RECOMMENDED
AIRFLOW (CFM)
SWITCH
SETTING
RECOMMENDED
AIRFLOW (CFM)
5 6 7 8
5 6 7 8
0 0 0 0
3
T
O
N
1110
0 0 0 0
1180
1 0 0 0
1145
1 0 0 0
3.5
T
O
N
1250
0 1 0 0
1180
0 1 0 0
1320
1 1 0 0
1215
1 1 0 0
1380
0 0 1 0
1250
0 0 1 0
1440
1 0 1 0
1285
1 0 1 0
1500
0 1 1 0
1320
0 1 1 0
1560
1 1 1 0
1355
1 1 1 0
1610
0 0 0 1
1390
0 0 0 1
1660
1 0 0 1
1430
1 0 0 1
1710
0 1 0 1
1480
0 1 0 1
1740
1 1 0 1
1525
1 1 0 1
1770
0 0 1 1
1575
0 0 1 1
1800
1 0 1 1
1625
1 0 1 1
1830
0 1 1 1
1675
0 1 1 1
1860
1 1 1 1
1725
1 1 1 1
1895
SWITCH
SETTING
RECOMMENDED
AIRFLOW (CFM)
SWITCH
SETTING
RECOMMENDED
AIRFLOW (CFM)
5 6 7 8
5 6 7 8
0 0 0 0
1180
0 0 0 0
1180
1 0 0 0
4
T
O
N
1250
1 0 0 0
1250
0 1 0 0
1320
0 1 0 0
1320
1 1 0 0
1380
1 1 0 0
5
T
O
N
1380
0 0 1 0
1440
0 0 1 0
1440
1 0 1 0
1500
1 0 1 0
1500
0 1 1 0
1560
0 1 1 0
1560
1 1 1 0
1610
1 1 1 0
1610
0 0 0 1
1660
0 0 0 1
1660
1 0 0 1
1710
1 0 0 1
1710
0 1 0 1
1740
0 1 0 1
1740
1 1 0 1
1770
1 1 0 1
1770
0 0 1 1
1800
0 0 1 1
1800
1 0 1 1
1830
1 0 1 1
1830
0 1 1 1
1860
0 1 1 1
1860
1 1 1 1
1895
1 1 1 1
1895
NOTE:
Factory settings & recommended operating range are
highlighted in bold.
SWITCH
SETTING
2 & 2.5 TON
CFM
SWITCH
SETTING
3.5 TON
CFM
LOW
HEAT
HIGH
HEAT
LOW
HEAT
HIGH
HEAT
39,000
60,000
52,000
80,000
1 2 3 4 CFM RISE CFM RISE
1 2 3 4 CFM RISE CFM RISE
0 0 0 0 600
57
800
66
0 0 0 0 885
55
1180 64
1 0 0 0 656
52
875
60
1 0 0 0 938
52
1250 61
0 1 0 0 694
49
925
57
0 1 0 0 990
49
1320 58
1 1 0 0 750
46
1000 53
1 1 0 0 1035
47
1380 55
0 0 1 0 806
43
1075 49
0 0 1 0 1080
45
1440 53
1 0 1 0 844
41
1125 47
1 0 1 0 1125
43
1500 51
0 1 1 0 881
39
1175 45
0 1 1 0 1170
42
1560 49
1 1 1 0 919
37
1225 43
1 1 1 0 1208
41
1610 47
0 0 0 1
975
35
1300 40
0 0 0 1 1245
40
1660 45
1 0 0 1 1013
34
1350 39
1 0 0 1 1283
39
1710 44
0 1 0 1 1050
33
1400 38
0 1 0 1 1305
38
1740 43
1 1 0 1 1088
32
1450 36
1 1 0 1
1328
37
1770 42
0 0 1 1 1125
30
1500 35
0 0 1 1 1350
36
1800 41
1 0 1 1 1144
30
1525 35
1 0 1 1 1373
35
1830 40
0 1 1 1 1170
29
1560 34
0 1 1 1 1395
34
1860 39
1 1 1 1 1200
29
1600 33
1 1 1 1 1421
34
1895 39
SWITCH
SETTING
3 TON
CFM
SWITCH
SETTING
4 & 5 TON
CFM
LOW
HEAT
HIGH
HEAT
LOW
HEAT
HIGH
HEAT
52,000
80,000
62,400
96,000
1 2 3 4 CFM RISE CFM RISE
1 2 3 4 CFM RISE CFM RISE
0 0 0 0 833
55
1110 63
0 0 0 0 885
62
1180 73
1 0 0 0 859
53
1145 61
1 0 0 0 938
59
1250 70
0 1 0 0 885
52
1180 60
0 1 0 0 990
55
1320 67
1 1 0 0 911
50
1215 58
1 1 0 0 1035
53
1380 65
0 0 1 0 938
49
1250 56
0 0 1 0 1080
51
1440 63
1 0 1 0 964
47
1285 55
1 0 1 0 1125
49
1500 61
0 1 1 0 990
46
1320 53
0 1 1 0 1170
47
1560 59
1 1 1 0 1016
45
1355 52
1 1 1 0 1208
46
1610 57
0 0 0 1 1043
44
1390 50
0 0 0 1 1245
45
1660 55
1 0 0 1 1073
43
1430 49
1 0 0 1 1283
44
1710 54
0 1 0 1 1110
41
1480 48
0 1 0 1 1305
43
1740 53
1 1 0 1
1144
40
1525 46
1 1 0 1 1328
42
1770 52
0 0 1 1 1181
39
1575 45
0 0 1 1 1350
41
1800 51
1 0 1 1 1219
38
1625 43
1 0 1 1 1373
40
1830 50
0 1 1 1 1256
36
1675 42
0 1 1 1 1395
39
1860 49
1 1 1 1 1294
35
1725 41
1 1 1 1
1421
39
1895 48
NOTES:
1. Factory settings are bold. Use of any other switch setting may result in nuisance
trips and should be verified for the application.
2. Temperature rises in tables are approximate. Actual temperature rises may
vary.
3. Shaded areas are not approved for proper operation of equipment.
Table 9. Heating Airflow Settings