Bryant 558D - Page 16

Fig. 28 — PARABLADE Economizer Installed in Unit
CONTROL
CURVE
CONTROL POINT
F (C) APPROX.
AT 50% RH
A 73 (23)
B 70 (21)
C 67 (19)
D 63 (17)
RH — Relative Humidity
Fig. 29 — Enthalpy Settings for PARABLADE Economizer
Fig. 30 — Panels Reinstalled On Unit
Fig. 31 — Outdoor-Air Hood Installed On Unit
Fig. 32 — Filter Installed on Outdoor-Air Hood
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
100
200
300
400
500
600 700
800
CFM
PRESSURE DROP (in. wg)
Fig. 33 — PARABLADE Economizer Barometric
Relief Damper Characteristics
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