Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B User Manual page 10

UNIT SIZE 581B
FURNACE SECTION
Rollout Switch Cutout Temp (F)†
Burner Orifice Diameter (in. ...drill size)**
Natural Gas — Std
Liquid Propane — Alt††
Thermostat Heat Anticipator Setting (amps)
(208/230/460/575 V)
Gas Input (Btuh)
First Stage/Second Stage
Efficiency (Thermal) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas — Std
Liquid Propane — Alt††
Maximum Static Pressure (in. wg)
Field Gas Connection Size (in.)
HIGH-PRESSURE SWITCH (psig)
Standard Compressor Internal Relief
Cutout
Reset (Auto.)
LOSS-OF-CHARGE SWITCH/LOW-PRESSURE SWITCH
(Liquid Line) (psig)
Cutout
Reset (Auto.)
FREEZE PROTECTION THERMOSTAT
Opens (F)
Closes (F)
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)
LEGEND
Bhp — Brake Horsepower
*Single phase/three phase.
†Indicates automatic reset.
**581B 072 unit size 036-072 (72,000 Btu heat input) have 2 burners.
581B 115 unit size 036-072 (115,000 Btu heat input) have 3 burners.
581B 150 unit size 048-072 (150,000 Btu heat input) have 3 burners.
††An LP kit is available as an accessory.
llCalifornia compliant three-phase models.
PHYSICAL DATA (cont)
036
195
071/072 .113...33
114/115 .113...33
149/150 —
060N .102...38
090N .102...38
120N —
071/072 .089...43
114/115 .089...43
149/150 —
060N .082...45
090N .082...45
120N —
.14
071II —/ 72,000
114II —/115,000
149II —
072*** 50,000/ 72,000
115*** 82,000/115,000
150*** —
060N††† —/ 60,000
090N††† —/ 90,000
120N††† —
071 82
114 80
149 —
072 82
115 80
—
150
060N 81
090N 81
120N —
071 15-45
114 55-85
149 —
072 15-45
115 55-85
150 —
060N 20-50
090N 30-60
120N —
3.5
3.5
1.0
1 /
2
***Three-phase standard models have heating inputs as shown. Single-
phase standard models have one-stage heating with heating input values
as follows:
581BJV036-060072, 72,000 Btuh
581BJV036-060115, 115,000 Btuh
581BJV048-060150, 150,000 Btuh
†††California SCAQMD compliant Low NO
ucts that are controlled to 40 nanograms per joule or less.
10
048 060
195 195
.113...33 .113...33
.113...33 .113...33
.129...30 .129...30
.102...38 .102...38
.102...38 .102...38
.116...32 .116...32
.089...43 .089...43
.089...43 .089...43
.102...38 .102...38
.082...45 .082...45
.082...45 .082...45
.094...42 .094...42
.14 .14
—/ 72,000 —/ 72,000
—/115,000 —/115,000
—/150,000 —/150,000
50,000/ 72,000 50,000/ 72,000
82,000/115,000 82,000/115,000
120,000/150,000 120,000/150,000
—/ 60,000 —/ 60,000
—/ 90,000 —/ 90,000
—/120,000 —/120,000
82 82
81 81
80 80
82 82
81 81
80 80
81 81
81 81
82 82
15-45 15-45
35-65 35-65
50-80 50-80
15-45 15-45
35-65 35-65
50-80 50-80
20-50 20-50
30-60 30-60
40-70 40-70
3.5 3.5
3.5 3.5
1.0 1.0
1 / 1 /
2 2
450 ± 50
428
320
7 ± 3
22 ± 5
30 ± 5
45 ± 5
Cleanable
1...20 x 24 x 1
Throwaway
2...16 x 25 x 2
models have combustion prod-
x
072
195
.113...33
.113...33
.129...30
—
—
—
.089...43
.089...43
.102...38
—
—
—
.14
—
—
—
50,000/ 72,000
82,000/115,000
120,000/150,000
—
—
—
—
—
—
82
81
80
—
—
—
—
—
—
15-45
35-65
50-80
—
—
—
3.5
3.5
1.0
1 /
2