581a210-300 – Bryant 581C User Manual
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PHYSICAL DATA — 581A210-300
LEGEND
UNIT 581A
210
240
300
NOMINAL CAPACITY (tons)
18
20
25
OPERATING WEIGHT (lb)
Al/Al
2224
2272
2526
COMPRESSOR
Quantity
3
3
2
Number of Refrigerant Circuits
3
3
2
Oil (ounces) Ckt A...Ckt B...Ckt C
68...68...90
90...90...90
110...110...NA
REFRIGERANT TYPE
Expansion Device
TXV
TXV
TXV
Operating Charge (lb)
Circuit A
13.1
13.8
21.8
Circuit B
12.7
13.9
20.3
Circuit C
15.2
15.5
NA
CONDENSER FAN
Nominal Cfm (Total, all fans)
14,000
14,000
21,000
Quantity...Diameter (in.)
4...22
4...22
6...22
Motor Hp...Rpm
1
/
4
...1100
1
/
4
...1100
1
/
4
...1100
Watts Input (Total)
1400
1400
2100
CONDENSER COIL
Rows...Fins/in.
2...17
2...17
2...17
Total Face Area (sq ft)
57.78
57.78
66.67
EVAPORATOR FAN
Quantity...Size
2...15x11
2...15x11
2...15x11
Type Drive
Belt
Belt
Belt
Nominal Cfm
7000
8000
10,000
Motor Bearing Type
Ball
Ball
Ball
Maximum Allowable Fan Rpm
1400
1400
1400
EVAPORATOR COIL
Rows...Fins/in.
3...15
4...15
4...15
Total Face Area (sq ft)
23.33
23.33
27.22
FURNACE SECTION
Rollout Switch Cutout Temp (F)
225
225
225
Burner Orifice Diameter (in. ...drill size)
0.136...29
0.136...29
0.136...29
Gas
Natural
Natural
Natural
Thermostat Heat Anticipator Setting
Stage 1 (amps)
0.98
0.98
0.98
Stage 2 (amps)
0.44
0.44
0.44
Gas Input (Btuh) HIGH HEAT
Stage 1
317,000
317,000
317,000
Stage 2
400,000
400,000
400,000
Efficiency (Steady State) %
Vertical
82
82
82
Temperature Rise Range
25-55
25-55
25-55
Gas Input (Btuh) MEDIUM HEAT
Stage 1
281,000
281,000
281,000
Stage 2
365,000
365,000
365,000
Efficiency (Steady State) %
Vertical
81
81
81
Temperature Rise Range
25-55
25-55
25-55
Gas Input (Btuh) LOW HEAT
Stage 1
199,000
199,000
199,000
Stage 2
250,000
250,000
250,000
Efficiency (Steady State) %
Vertical
82
82
82
Temperature Rise Range (F)
15-45
15-45
15-45
Manifold Pressure
Natural Gas (in. wg)
Vertical
3.00
3.00
3.00
Natural Gas (in. wg)
Horizontal
2.95
2.95
2.95
Gas Valve Quantity
1
1
1
Gas Valve Pressure Range
(in. wg)
5.5-13.0
5.5-13.0
5.5-13.0
Min-Max Allowable
(psig)
.235-.469
.235-.469
.235-.469
Field Gas Connection Size (in. FPT)
3
/
4
3
/
4
3
/
4
HIGH-PRESSURE SWITCH (psig)
Cutout
426
426
426
Reset (Auto)
320
320
320
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
3...20x25
3...20x25
3...20x25
RETURN-AIR FILTERS
Quantity...Size (in.)
9...16x25
9...16x25
9...18x24
TXV — Thermostatic Expansion Valve