Bryant 558D Ð PARABLADE Economizer Installed in Unit, Ð Panels Reinstalled On Unit

Fig. 28 Ð PARABLADE Economizer Installed in Unit

CONTROL	CONTROL POINT
	F (C) APPROX.
CURVE
	AT 50% RH

A73 (23)

B70 (21)

C67 (19)

D63 (17)

RH Ð Relative Humidity

Fig. 29 Ð Enthalpy Settings for PARABLADE Economizer

Fig. 30 Ð Panels Reinstalled On Unit

Ð16Ð

Fig. 31 Ð Outdoor-Air Hood Installed On Unit

Fig. 32 Ð Filter Installed on Outdoor-Air Hood

0.90

	0.80
wg)	0.70
	0.60
(in.
DROP	0.50
PRESSURE	0.40
	0.30
	0.20
	0.10
	0.00
		100	200	300	400	500	600	700	800

CFM

Fig. 33 Ð PARABLADE Economizer Barometric

Relief Damper Characteristics