Bryant 581C User Manual
Page 27
27
PHYSICAL DATA — 580F090,120,150 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.
NOTE: High-static motor not available on size 150 units.
UNIT SIZE 580F
090
120
150
FURNACE SECTION
Rollout Switch Cutout
Temp (F)**
195
195
195
Burner Orifice Diameter
(in. ...drill size)
Natural Gas
Std
125
.120...31
180
.120...31
224
.120...31
180
.120...31
224
.120...31
250
.129...30
224
.120...31
250
.129...30
—
—
Liquid Propane
Alt
125
.096...41
180
.096...41
224
.096...41
180
.096...41
224
.096...41
200
.102...38
224
.096...41
250
.102...38
—
—
Thermostat Heat Anticipator
Setting (amps)
208/230 v and 575 Stage 1
.14
.14
.14
Stage 2
.20
.20
.20
460 v
Stage 1
.14
.14
.14
Stage 2
.20
.20
.20
Gas Input (Btuh) Stage 1
125
125,000
180
120,000
224
180,000
180
120,000
224
180,000
250
200,000
224
180,000
250
200,000
—
—
Stage 2
125
—
180
180,000
224
224,000
180
180,000
224
224,000
200
250,000
224
224,000
250
250,000
—
—
Efficiency (Steady
State) (%)
80
80
80
Temperature Rise Range
125
20-50
180
35-65
224
35-65
180
35-65
224
35-65
250
40-70
224
45-75
250
40-70
—
—
Manifold Pressure (in. wg)
Natural Gas
Std
3.5
3.5
3.5
Liquid Propane
Alt
3.5
3.5
3.5
Gas Valve Quantity
1
1
1
Gas Valve Pressure Range (Min-Max Allowable)
Psig
0.180-0.470
0.180-0.470
0.180-0.470
in. wg
5.0-13.0
5.0-13.0
5.0-13.0
Field Gas Connection
Size (in. FPT)
1
/
2
/
3
/
4
/
3
/
4
3
/
4
/
3
/
4
/
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
LOSS-OF-CHARGE (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
Al
—
Aluminum
Bhp —
Brake Horsepower
Cu
—
Copper
58
0
F
03
6-
15
1