Carrier 42C Series Product Data page 122

Performance data (cont)
1 1
0.9 0.9
0.8 0.8
0.7 0.7
0.6
0.6
0.5 0.5
0.4 0.4
0.3 0.3
0.2
0.1
0
600 800
PSC Motor Fan Curve:
LEGEND
ECM — Electronically Commutated Motor
ESP — External Static Pressure
PSC — Permanent Split Capacitor
SCFM — Square Cubic Feet Per Minute
NOTE: The Mega Stack unit with an ECM can operate at any airflow and static pressure combination within the shaded area.
For high-static PSC and ECM fan performance data, refer to Carrier Electronic Selection Program.
122
AIR DELIVERY (cont)
42S SERIES — UNIT SIZE 20 (SGM)
Low
1000 1200 1400
3 row 4 row
Medium
1600 1800
SCFM
5 row
ECM Operating Range:
High
2000 2200 2400
a42-4280