Carrier 48HC 04-28 Controls, Start-Up, Operation And Troubleshooting page 140

APPENDIX D — ENERGYX
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
0.00 0.50 1.00
Fig. H — 20 and 25 Ton Unit ERV Supply Exhaust Fan Performance Curves
®
EXHAUST FAN PERFORMANCE (cont)
1.50 2.00 2.50
140
ECONOMIZER MODE
ERV MODE
3.00 3.50 4.00
O)
2
4.50 5.00