180
ACCESSORY DIMENSIONS — 579F180-300 (cont)
Horizontal Supply/Return Adapter Installation (579F180-300)
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.
23"
14 3/4"
6"
3 1/2"
FULLY INSULATED
SUPPLY PLENUM
1" INSULATION
1 1/2 # DENSITY,
STICK PINNED & GLUED
2" X 1/4
SUPPORT TYP.
STITCH WELDED
12" WIDE STANDING
SEAM PANELS
ACCESSORY
PACKAGE NO.
CURB
HEIGHT
DESCRIPTION
CRRFCURB013A00
1
′
-11
″
(584)
Pre-Assembled, Roof Curb,
Horizontal Adapter
For horizontal return applications: The power exhaust
relief must be installed in the return air duct.
2'-1 5/8"
2'-2 1/16"
1'-6 5/16"
Barometric Relief/Power Exhaust
a48-7457
a48-7458
a48-7459
48-1169df
579
F18
0
-300
Summary of Contents for 581A
Page 30: ...30 BASE UNIT DIMENSIONS 580F036 072 a48 8195 580F036 151 ...
Page 31: ...31 BASE UNIT DIMENSIONS 580F073 a48 8196 580F036 151 ...
Page 32: ...32 BASE UNIT DIMENSIONS 580F090 120 150 a48 8197 580F036 151 ...
Page 33: ...33 BASE UNIT DIMENSIONS 580F091 103 121 151 a48 8198 580F036 151 ...
Page 91: ...91 BASE UNIT DIMENSIONS 581B036 072 a48 8199 581B036 150 ...
Page 93: ...93 ACCESSORY DIMENSIONS 581B036 072 a48 8201 581B036 150 ...
Page 94: ...94 ACCESSORY DIMENSIONS 581B090 150 a48 8202 581B036 150 ...
Page 150: ...150 BASE UNIT DIMENSIONS 581C024 060 581C024 060 ...
Page 198: ...198 TYPICAL WIRING SCHEMATICS 579F 579F240 208 230 V Shown a48 7929 ...
Page 205: ...205 BASE UNIT DIMENSIONS 580F180 210 a48 8203 580F180 300 ...
Page 206: ...206 BASE UNIT DIMENSIONS 580F240 a48 8204 ...
Page 207: ...207 BASE UNIT DIMENSIONS 580F300 a48 8205 580F180 300 ...
Page 209: ...209 ACCESSORY DIMENSIONS 580F300 Vertical Roof Curbs 580F300 a48 7456 580F180 300 ...
Page 233: ...233 BASE UNIT DIMENSIONS 581A210 300 a48 8206 581A155 180 ...
Page 237: ...237 ACCESSORY DIMENSIONS 581A210 300 a48 8234 581A155 180 ...
Page 280: ...280 TYPICAL PIPING AND WIRING 581A 581A155 Shown LEGEND NEC National Electrical Code b48 1258 ...
Page 297: ...297 ...