Carrier 48HC 04-28 Controls, Start-Up, Operation And Troubleshooting page 137

APPENDIX D — ENERGYX
2000
1800
1600
1400
1200
1000
800
600
400
200
0
0.00 0.20
Fig. C — 4 and 5 Ton SRT Unit ERV Supply and Exhaust Fan Performance Curves
®
EXHAUST FAN PERFORMANCE (cont)
0.40 0.60 0.80
External Static Pressure (in H
137
ECONOMIZER MODE
ERV MODE
1.00 1.20 1.40
0)
2
1.60