Carrier 48HC 04-28 Controls, Start-Up, Operation And Troubleshooting page 138

APPENDIX D — ENERGYX
2200
2000
1800
1600
1400
1200
1000
800
600
400
200
0
0.00 0.50
Fig. D — 6 Ton SRT Unit ERV Supply and Exhaust Fan Performance Curves
3500
3000
2500
2000
1500
1000
500
0
0.00 0.50 1.00
Fig. E — 7.5, 8.5 and 10 Ton SRT Unit ERV Supply and Exhaust Fan Performance Curves
®
EXHAUST FAN PERFORMANCE (cont)
1.00 1.50
External Static Pressure (in H
1.50 2.00 2.50
138
ECONOMIZER MODE
ERV MODE
2.00 2.50
0)
2
ECONOMIZER MODE
ERV MODE
3.00 3.50 4.00
O)
2
3.00
4.50 5.00