Bryant 581B036--072 Installation Instructions Manual page 12

UNIT SIZE 581C
FURNACE SECTION
Rollout Switch Cutout Temp (F)†
Burner Orifice Diameter (in. ...drill size)**
Natural Gas —Std
Propane —Alt††
Thermostat Heat Anticipator Setting (amps)
208/230/460 v
First Stage
Second Stage
Gas Input (Btuh)
First Stage/Second Stage (3 ---phase units)
Efficiency (Steady State) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas —Std
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
(Liquid Line) (psig)
Cutout
Reset (Auto.)
FREEZE PROTECTION THERMOSTAT
Opens (F)
Closes (F)
OUTDOOR-AIR INLET SCREENS
RETURN-AIR FILTERS
Quantity...Size (in.)
LEGEND
Bhp — Brake Horsepower
**60,000 and 72,000 Btuh heat input units have 2 burners. 90,000 and 120,000 Btuh
heat input units have 3 burners. 115,000 Btuh heat input units and 150,000 Btuh
Heat input units have 3 burners.
††A propane kit is available as an accessory. Kit may be used at elevations as high as
2000 ft. If a propane kit is used with Low NOx units, the Low NOx baffle must be
Table 2 — Physical Data 581C (cont)
024
195
071/072 .113...33
114/115 .113...33
149/150 —
060N .102...38
090N .102...38
120N —
071/072 .089...43
114115 .089...43
149/150 —
060N .082...45
090N .082...45
120N —
.14
.14
072 50,000/ 72,000
115 82,000/115,000
150 —
071II —/72,000
114II —/115,000
149II —
060N*** —/ 60,000
090N*** —/ 90,000
120N*** —
072 82
115 80
150 —
071 82
114 80
149 —
060N 80
090N 80
120N —
072 15 ---45
115 55 ---85
150 —
071 15 ---45
114 55 ---85
149 —
060N 20 ---50
090N 30 ---60
120N —
3.5
3.5
1.0
1/2
Cleanable. Screen quantity and size varies with option selected.
removed and the units will no longer be classified as Low NOx units.
ll Three-phase standard models have heating inputs as shown. Single-phase stan-
dard models have one-stage heating with heating input values.
***California compliant three-phase models.
†††California SCAQMD compliant low NO
controlled to 40 nanograms per joule or less.
12
036 048
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
.14 .14
50,000/ 72,000 50,000/ 72,000
82,000/115,000 82,000/115,000
120,000/150,000 120,000/150,000
—/72,000 —/72,000
—/115,000 —/115,000
—/150,000 —/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
80 80
80 80
80 80
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
1/2 1/2
450 ± 50
428
320
7 ± 3
22 ± 5
30 ± 5
45 ± 5
Throwaway
2...16 x 25 x 2
models have combustion products that are
x
060
195
.113...33
.113...33
.129...30
—
—
—
.089...43
.089...43
.104...39
—
—
—
.14
.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
4...16 x 16 x 2