Bryant SINGLE PACKAGE ROOFTOP ELECTRIC COOLING/GAS HEATING UNITS 581A User Manual
Page 4

—4
—
581A180 ONLY
FIELD
SUPPLIED
POWER EXHAUST/
BAROMETRIC RELIEF
(ACCESSORY ONLY)
POWER EXHAUST/
BAROMETRIC RELIEF
(ACCESSORY ONLY)
Fig. 4 — Base Unit Dimensions; 581A155 and 180
NOTES:
1. Refer to print for roof curb accessory dimensions.
2. Dimensions in (
) are in millimeters.
3.
Center of Gravity.
4.
Direction of airflow.
5. Ductwork to be attached to accessory roof curb only.
6. Minimum clearance:
•
Rear: 7 ft-0 in. (2134) for coil removal. This dimension can be reduced
to 4 ft-0 in. (1219) if conditions permit coil removal from the top.
•
4 ft-0 in. (1219) to combustible surfaces, all four sides (includes between
units).
•
Left side: 4 ft-0 in.(1219) for proper condenser coil airflow.
•
Front: 4 ft-0 in. (1219) for control box access.
•
Right side: 4 ft-0 in. (1219) for proper operation of damper and power
exhaust if so equipped.
•
Top: 6 ft-0 in. (1829) to assure proper condenser fan operation.
•
Bottom: 14 in. (356) to combustible surfaces (when not using curb).
•
Control box side: 3 ft-0 in. (914) to ungrounded surfaces, non-combustible.
•
Control box side: 3 ft-6 in. (1067) to block or concrete walls, or other
grounded surfaces.
•
Local codes or jurisdiction may prevail.
7. With the exception of clearance for the condenser coil and the damper/
power exhaust as stated in Note no. 6, a removable fence or barricade
requires no clearance.
8. Dimensions are from outside of corner post. Allow 0 ft-
5
/
16
in. (8) on each
side for top cover drip edge.
UNIT
581A
STD UNIT
WEIGHT
ECONO-
MIZER
WEIGHT
CORNER
A
CORNER
B
CORNER
C
CORNER
D
DIM A
DIM B
DIM C
Lb
Kg
Lb
Kg
Lb
Kg
Lb
Kg
Lb
Kg
Lb
Kg
ft-in.
mm
ft-in.
mm
ft-in.
mm
155
1725
782
110
50
427
194
390
177
438
199
470
213
3-3
991
3-5
1051
1-10
559
180
1800
816
110
50
417
189
399
181
481
218
503
228
3-2
961
3-6
1070
1-10
559