Bryant 581A Gas Heater User Manual


 
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PHYSICAL DATA — 580F036-073 (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.
**Single phase/three-phase.
††Rollout switch lockout is manually reset by interrupting power to unit or reset-
ting thermostat.
***Three-phase standard high heat models have heating input values as shown.
Single-phase standard high heat models have one-stage heating with heating
input values as follows:
580F036 — 115,000 Btuh
580F048,060 — 150,000 Btuh
†††California SCAQMD compliant Low NO
x
models have combustion products
that are controlled to 40 nanograms per joule or less.
NOTES:
1. High-static motor not available on single-phase units.
2. An LP kit is available as an accessory. Kit may be used at elevations as high
as 2000 ft. LP kit is not used with Low NOx units.
UNIT SIZE 580F 036 048 060 072 073
FURNACE SECTION
Rollout Switch Cutout
Temp (F)†† 195 195 195 195 195
Burner Orifice Diameter
(in. ...drill size)
Natural Gas Std 074 .113...33 .113...33 .113...33 .113...33
115 .113...33 .113...33 .113...33 .113...33 .113...33
150 .113...33 .129...30 .129...30 .129...30 .129...30
060N .102...38 .102...38
090N .102...38 .102...38 .102...38
120N .102...38 .116...32 .116...32
Liquid Propane Alt 074 .089...43 .089...43 .089...43 .089...43
115 .089...43 .089...43 .089...43 .089...43 .089...43
150 .089...43 .104...37 .104...37 .102...38 .104...37
Thermostat Heat Anticipator
Setting (amps)
208/230 v and 575 Stage 1 .14 .14 .14 .14 .14
Stage 2 .14 .14 .14 .14 .14
460 v Stage 1 .14 .14 .14 .14 .14
Stage 2 .14 .14 .14 .14 .14
Gas Input (Btuh) Standard Units 074 —/74,000 —/74,000 —/74,000 —/74,000
(Stage 1/Stage 2) 115 —/74,000 —/115,000 —/115,000 —/115,000 —/115,000
150*** 82,000/115,000 120,000/150,000 120,000/150,000 120,000/150,000 120,000/150,000
Low NOx Units 060N††† 60,000 60,000
090N††† 60,000 90,000 90,000
120N††† 90,000 120,000 120,000
Efficiency (Steady
State) (%) 80 80 80 80 80
Temperature Rise Range 074 15-45 15-45 15-45 15-45
115 15-45 35-65 35-65 35-65 35-65
150 55-85 50-80 50-80 50-80 50-80
060N 20-50 20-50
090N 20-50 30-60 30-60
120N 30-60 40-70 40-70
Manifold Pressure (in. wg)
Natural Gas Std 3.5 3.5 3.5 3.5 3.5
Liquid Propane Alt 3.5 3.5 3.5 3.5 3.5
Gas Valve Quantity 11111
Gas Valve Pressure Range (Min-Max Allowable)
Psig 0.180-0.470 0.180-0.470 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 5.0-13.0 5.0-13.0
Field Gas Connection
Size (in. FPT)
1
/
2
1
/
2
1
/
2
1
/
2
1
/
2
HIGH-PRESSURE SWITCH (psig)
Standard Compressor 450 ± 50 500 ± 50 500 ± 50
Internal Relief (Differential)
Cutout 428 428 428
Reset (Auto.) 320 320 320
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.) 2...16 x 25 x 2
Al Aluminum
Bhp Brake Horsepower
Cu Copper
580F036-151