Bryant 581B Gas Heater 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 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 111
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
580F036-151