Bryant 581A/B Accessory Dimensions, Horizontal Supply/Return Adapter Installation 581A155,180

ACCESSORY DIMENSIONS (cont)

a48-7457

NOTE: CRRFCURB013A00 is a fully factory preassembled horizontal adapter and includes an insulated transition duct. The pressure drop through the adapter curb is negligible.

For horizontal return applications: The power exhaust and barometric relief dampers must be installed in the return air duct.

			a48-7458
			FULLY INSULATED
			SUPPLY PLENUM
3 1/2"	2" X 1/4		1" INSULATION
	SUPPORT TYP.		1 1/2 # DENSITY,
	STITCH WELDED		STICK PINNED & GLUED
14 3/4"			23"
6"
a48-7459		12" WIDE STANDING
		SEAM PANELS
ACCESSORY		CURB	DESCRIPTION
PACKAGE NO.		HEIGHT
CRRFCURB013A00		1′ -11″Pre-Assembled, Horizontal
		(584)	Adapter Roof Curb

581A155-300

Horizontal Supply/Return Adapter Installation (581A155,180)

2'-1 5/8"

2'-2 1/16"	48-1169df
1'-6 5/16"

For horizontal return applications: The power exhaust relief must be installed in the return air duct.

Barometric Relief/Power Exhaust

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