Carrier 48PG Series - Page 18

0.22
0.20
,m
,e
,e
.£
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
0
/
/
/
/
/
/
/
/
/
250 500 750 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250
CFM (Cubic Feet Per Minute)
NOTE: Economizer damper pressure drop is with outdoor air damper totally closed and return air damper fully open.
Fig. 24 -- Pressure Drop for Vertical Economizer
0.34
,e
,e
0.32
0.30 /
0.28
0.26
0.24 /
0.22
0.20
0.18 /
0.16
0.14 /
0.12
0.10 /
0.08 /
0.06
0.04 /
0.02 /
0.00
0 280 800 780 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250
CFM (Cubic Feet Per Minute)
NOTE: Economizer damper pressure drop is with outdoor air damper totally closed and return air damper fully open.
Fig. 25 -- Pressure Drop for Horizontal Economizer
18