Bryant 581A/B Heating System User Manual


 
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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 Low .120...31 .120...31 .120...31
Med .120...31 .120...31 .129...30
High .120...31 .129...30
Liquid Propane Alt Low .096...41 .096...41 .096...41
Med .096...41 .096...41 .102...38
High .096...41 .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 Low 125,000 120,000 180,000
Med 120,000 180,000 200,000
High 180,000 200,000
Stage 2 Low 180,000 224,000
Med 180,000 224,000 250,000
High 224,000 250,000
Efficiency (Steady
State) (%) 80 80 80
Temperature Rise Range Low 20-50 35-65 35-65
Med 35-65 35-65 40-70
High 45-75 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 111
Gas Valve Pressure Range
Psig 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
Field Gas Connection
Size (in.)
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...Screen size and quantity 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
580F036-151