Ashrae 90.1 compliant units (cont) – Bryant 581A/B User Manual
Page 25
25
PHYSICAL DATA — 580F091,103,121,151 UNITS (cont)
ASHRAE 90.1 COMPLIANT UNITS (cont)
LEGEND
*Evaporator coil fin material/condenser coil fin material. Contact your local repre-
sentative for details about coated fins.
†Weight of 14-in. roof curb.
**Rollout switch lockout is manually reset by interrupting power to unit or resetting
thermostat.
UNIT SIZE 580F
091
103
121
151
FURNACE SECTION
Rollout Switch Cutout
Temp (F)**
195
195
195
195
Burner Orifice Diameter
(in. ...drill size)
Natural Gas
Std
Low
.120...31
.120...31
.120...31
.120...31
Med
.120...31
.120...31
.120...31
.129...30
High
.120...31
.120...31
.129...30
—
Liquid Propane
Alt
Low
.096...41
.096...41
.096...41
.096...41
Med
.096...41
.096...41
.096...41
.102...38
High
.096...41
.096...41
.102...38
—
Thermostat Heat Anticipator
Setting (amps)
208/230 v and 575 Stage 1
.14
.14
.14
.14
Stage 2
.20
.20
.20
.20
460 v
Stage 1
.14
.14
.14
.14
Stage 2
.20
.20
.20
.20
Gas Input (Btuh) Stage 1
Low
125,000
125,000
120,000
180,000
Med
120,000
120,000
180,000
200,000
High
180,000
180,000
200,000
—
Stage 2
Low
—
—
180,000
224,000
Med
180,000
180,000
224,000
250,000
High
224,000
224,000
250,000
—
Efficiency (Steady
State) (%)
80
80
80
80
Temperature Rise Range
Low
20-50
20-50
35-65
35-65
Med
35-65
35-65
35-65
40-70
High
45-75
45-75
40-70
—
Manifold Pressure (in. wg)
Natural Gas
Std
3.5
3.5
3.5
3.5
Liquid Propane
Alt
3.5
3.5
3.5
3.5
Gas Valve Quantity
1
1
1
1
Gas Valve Pressure Range
Psig
0.180-0.487
0.180-0.487
0.180-0.487
0.180-0.487
in. wg
5.0-13.5
5.0-13.5
5.0-13.5
5.0-13.5
Field Gas Connection
Size (in.)
Low
1
/
2
1
/
2
3
/
4
3
/
4
Med
3
/
4
3
/
4
3
/
4
3
/
4
High
3
/
4
3
/
4
3
/
4
—
HIGH-PRESSURE SWITCH (psig)
Standard Compressor
450 ± 50
500 ± 50
Internal Relief (Differential)
Cutout
428
428
Reset (Auto.)
320
320
LOW-PRESSURE SWITCH (psig)
Cutout
7 ± 3
Reset (Auto.)
22 ± 7
FREEZE PROTECTION
THERMOSTAT (F)
Opens
30 ± 5
Closes
45 ± 5
OUTDOOR-AIR INLET SCREENS
Cleanable
Quantity...Size (in.)
Varies by Option Selected
RETURN-AIR FILTERS
Throwaway
Quantity...Size (in.)
4...16 x 20 x 2
4...20 x 20 x 2
4...20 x 20 x 2
4...20 x 20 x 2
Al
—
Aluminum
Bhp —
Brake Horsepower
Cu
—
Copper
58
0
F
03
6-
15
1