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Throw for Standard Diffusers — Tables 24 and 25
provide the suggested minimum and maximum coverages
the Moduline® air terminals can handle in a typical instal-
lation while maintaining the desired room conditions.
Table 24 — Air Throw Data —
1-Way and 2-Way Blow, 2-Slot Diffusers
37HS1 UNIT
AIRFLOW
(Cfm)
OPTIMUM AIR THROW (ft)
1-Way Blow 2-Way Blow
Min Max Min Max
40 2.0 7.0 2.0 5.0
50 4.0 9.0 3.0 6.0
60 7.5 12.0 3.5 7.5
70 8.0 15.0 4.0 9.0
80 9.0 18.0 4.5 10.5
90 10.0 20.0 5.0 11.5
100 11.0 22.0 6.0 13.0
110 12.0 24.0 7.0 15.0
37HS2 UNIT
AIRFLOW
(Cfm)
OPTIMUM AIR THROW (ft)
1-Way Blow 2-Way Blow
Min Max Min Max
80 2.0 7.0 2.0 5.0
100 4.0 9.0 3.0 6.0
120 7.5 12.0 3.5 7.5
140 8.0 15.0 4.0 9.0
160 9.0 18.0 4.5 10.5
180 10.0 20.0 5.0 11.5
200 11.0 22.0 6.0 13.0
220 12.0 24.0 7.0 15.0
37HS4 UNIT
AIRFLOW
(Cfm)
OPTIMUM AIR THROW (ft)
1-Way Blow 2-Way Blow
Min Max Min Max
160 8.5 16.0 5.0 7.0
200 10.0 20.0 6.0 10.0
250 11.0 21.0 7.0 13.0
300 12.0 22.0 8.0 17.0
350 14.0 23.0 9.0 19.0
400 15.0 25.0 10.0 21.0
440 17.0 29.0 13.0 24.0
NOTES:
1. Minimum air throw refersto the distance from the diffuser where the air ve-
locityis 150fpm. Inmaximum airthrow, thisvelocity hasdropped to50 fpm.
2. Datais based on anarea with a9-ft ceiling. For higherceilings, values may
be reduced by one foot for each foot of height increase. For specific instal-
lations, minimum values can be reduced if properly qualified. Values are
dependent on cfm only and are not affected by duct pressure.
The optimum air throw values given in the table are dis-
tances from the unit centerline to the outside wall or nearest
obstruction (wall, light fixture or opposing air stream).
Table 25 — Air Throw Data —
2-Way and 1-Way Director, 3-Slot Diffusers
37HS1 UNIT
AIRFLOW
(Cfm)
OPTIMUM AIR THROW (ft)
Heating Cooling
1-Way Blow 2-Way Blow
Min Max Min Max
40 2.0 7.0 2.0 5.0
50 4.0 9.0 3.0 6.0
60 7.5 12.0 3.5 7.5
70 8.0 15.0 4.0 9.0
80 9.0 18.0 4.5 10.5
90 10.0 20.0 5.0 11.5
100 11.0 22.0 6.0 13.0
110 12.0 24.0 7.0 15.0
37HS2 UNIT
AIRFLOW
(Cfm)
OPTIMUM AIR THROW (ft)
Heating Cooling
1-Way Blow 2-Way Blow
Min Max Min Max
80 2.0 7.0 2.0 5.0
100 4.0 9.0 3.0 6.0
120 7.5 12.0 3.5 7.5
140 8.0 15.0 4.0 9.0
160 9.0 18.0 4.5 10.5
180 10.0 20.0 5.0 11.5
200 11.0 22.0 6.0 13.0
220 12.0 24.0 7.0 15.0
37HS4 UNIT
AIRFLOW
(Cfm)
OPTIMUM AIR THROW (ft)
Heating Cooling
1-Way Blow 2-Way Blow
Min Max Min Max
160 8.5 16.0 5.0 7.0
200 10.0 20.0 6.0 10.0
250 11.0 21.0 7.0 13.0
300 12.0 22.0 8.0 17.0
350 14.0 23.0 9.0 19.0
400 15.0 25.0 10.0 21.0
440 17.0 29.0 13.0 24.0
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