34
OH8FA119D60
ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE
COOLING UNIT
HTG Speed by Input
Low Mid High
Fire Fire Fire
Recommended CLG Speed
36,000
L/ML
ML/MH
MH/H
Low (L)
42,000
L/ML
ML/MH
MH/H
Med Low (ML)
48,000
L/ML
ML/MH
MH/H
Med High (MH)
60,000
L/ML ML/MH
MH/H
High
(H)
Figure 19B: Heating speed by input
Speed vs. color code for PSC Motor:
Low = Red
Med-Low = Blue
Med-High = Yellow
High = Black
Furnace Airflow (CFM) vs. External Static pressure (in. WC.)
Speed Tap\ Static
Pressure
0.1 0.2 0.3 0.4 0.5 0.6
0.7
Low
1254 1254 1251 1246 1221 1189
1126
ML
1473 1464 1460 1437 1415 1377
1329
MH
1733 1731 1718 1705 1686 1660
1627
High
2300 2243 2224 2166 2099 2048
1754
Furnace Motor Current Draw (Amps)/Watts vs. External Static pressure (in. WC.)
Low
6.6/648 6.6/648 6.4/639 6.2/630 6.0/612 5.8/592
5.4/565
ML
7.6/772 7.2/739 7.1/730 6.8/704 6.6/683 6.3/661
6.1/641
MH
9.0/908 9.0/905 8.7/888 8.5/871 8.3/842 8.0/818
7.7/796
High
12.5/1270 11.7/1200 11.2/1150 10.7/1110 10.2/1060 9.7/1020 9.2/969
High Fire Temperature Rise vs. External Static pressure (in. WC.)
Speed Tap\ Static
Pressure
0.1 0.2 0.3 0.4 0.5 0.6
0.7
Low
98 98 98 99 101
103
109
ML
83
84
84
86
87
89
93
MH
71
71
72
72
73
74
76
High
53 55 55 57 59 60
70
Mid Fire Temperature Rise vs. External Static pressure (in. WC.)
Speed Tap\ Static
Pressure
0.1 0.2 0.3 0.4 0.5 0.6
0.7
Low
88
88
88
89
90
93
98
ML
75
75
75
77
78
80
83
MH
64 64 64 65 65 66
68
High
48 49 50 51 52 54
63
Low Fire Temperature Rise vs. External Static pressure (in. WC.)
Speed Tap\ Static
Pressure
0.1 0.2 0.3 0.4 0.5 0.6
0.7
Low
75
75
75
75
77
79
83
ML
64 64 64 65 66 68
70
MH
54 54 55 55 56 56
58
High
41 42 42 43 45 46
53
Содержание OH6FA072D48N
Страница 5: ...2...
Страница 33: ...30 Heating Speed Set ups 2 Stage OH6FX072DV4 Figure 18 2 ECM 2 stage blower motor speed chart...
Страница 64: ...61 VIII Sequence of Operations Flow Chart...
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Страница 66: ...63 IX Trouble Shooting Flow Chart...
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Страница 72: ...69 Appendix A Replacement Parts Replacement Parts for OH6FA072D...
Страница 73: ...70 Replacement Parts for OH8FA119D...
Страница 74: ...71 Appendix B Wiring Diagrams OH6FA072D48 PSC Wiring Diagram...
Страница 75: ...72 OH6FA072DV4 ECM Wiring Diagram...
Страница 76: ...73 OH6FX072DV4 ECM 2 Stage Wiring Diagram...
Страница 77: ...74 OH8FA1119D60 PSC Wiring Diagram...
Страница 78: ...75 OH8FA1119DV5 ECM Wiring Diagram...
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