Bryant 581A Installation And Service Instructions Manual page 6

UNIT 581A
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Unit
Al/Al*
Al/Cu*
Cu/Cu*
Economizer
Roof Curb†
COMPRESSOR
Quantity
Number of Refrigerant Circuits
Crankcase Heater Watts
Oil (oz) (Ckt 1, Ckt 2)
REFRIGERANT TYPE
Expansion Device
Operating Charge (lb oz)
Circuit 1**
Circuit 2
CONDENSER COIL
Rows...Fins/in.
Total Face Area (sq ft)
CONDENSER FAN
Nominal Cfm
Quantity...Diameter (in.)
Motor Hp...Rpm
Watts Input (Total)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Type Drive
Nominal Cfm
Std Motor Hp
Opt Motor Hp
Motor Nominal Rpm
Std Maximum Continuous Bhp
Opt Maximum Continuous Bhp
Motor Frame Size
Fan Rpm Range
Motor Bearing Type
Maximum Allowable Rpm
Motor Pulley Pitch Dia.
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)
Nominal Fan Shaft Diameter (in.)
Belt, Quantity...Type... Length (in.)
Pulley Center Line Distance (in.)
Speed Change per Full Turn of
Movable Pulley Flange (Rpm)
Movable Pulley Maximum
Full Turns From Closed Position
Factory Speed
Factory Speed Setting (Rpm)
FURNACE SECTION
Rollout Switch Cutout Temp (F) ll
Burner Orifice Diameter (in...drill size)
Natural Gas
Thermostat Heat Anticipator Setting
Stage 1 (amps)
Stage 2 (amps)
Gas Input (Btuh) Stage 1
Stage 2
Efficiency (Steady State) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas
Gas Valve Quantity
Gas Valve Pressure Range (in. wg)
(psig)
Field Gas Connection Size (in.-FPT)
HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto.)
LOW-PRESSURE SWITCH (psig)
Cutout
Reset (Auto.)
FREEZE PROTECTION THERMOSTAT (F)
Opens
Closes
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)
LEGEND
Al — Aluminum
Bhp — Brake Horsepower
Cu — Copper
TXV — Thermostatic Expansion Valve
Table 1 — Physical Data
155
12
1725
1875
2005
110
200
70
60,66
20.7
11.9
Cross-Hatched
4...15
21.7
10,500
3...22
1
/ ...1050
2
1100
Cross-Hatched
4...15
17.5
2...10 X 10
Belt
5200
2.9
3.7
1725
3.13
4.38
56H
Low-Medium Static 834-1064
High Static 1161-1426
Ball
1550
Low-Medium Static 3.1/4.1
High Static 3.7/4.7
7
Low-Medium Static 6.0
High Static 5.2
3
1
Low-Medium Static 1...BX...42
High Static 1...BX...42
13.5-15.5
Low-Medium Static 58
High Static 67
4††
3.5
Low-Medium Static 978
High Static 1327
190
0.1285...30/ 0.136...29
0.98
0.44
172,000/230,000
225,000/300,000
81
15-45/30-60
3.3
5.5-13.5
.235-.487
3
180
15
1800
1950
2080
110
200
2
2
70
85,60
R-22
TXV
19.5
13.45
3
/ -in. Copper Tubes, Aluminum Lanced, Aluminum Pre-Coated, or Copper Plate Fins
8
4...15
21.7
Propeller Type
10,500
3...22
1
/ ...1050
2
1100
3
/ -in. Copper Tubes, Aluminum Lanced or Copper Plate Fins, Face Split
8
4...15
17.5
Centrifugal Type
2...12 x 12
Belt
6000
1745
6.13
184T
873-1021
1025-1200
Ball
1550
4.9/5.9
4.9/5.9
/ 1
8
9.4
8.0
7
/ 1
16
1...BX...50
1...BX...48
13.3-14.8
37
44
4††
3.5
965
1134
190
0.1285...30/ 0.136...29
0.8 0.98
0.44 0.44
206,000/275,000
270,000/360,000
81
15-45/20-50
3.3
1
5.5-13.5
.235-.487
3
/
4
426
320
30 ± 5
45 ± 5
Cleanable
2...20 x 25 x 1
1...20 x 20 x 1
Throwaway
4...20 x 20 x 2
4...16 x 20 x 2
*Evaporator coil fin material/condenser coil fin material.
†Weight of 14-in. roof curb.
**Circuit 1 uses the lower portion of condenser coil and lower portion of evaporator coils, and
Circuit 2 uses the upper portion of both coils.
††Pulley has 6 turns. Due to belt and pulley, moveable pulley cannot be set to 0 to 1 turns open.
llRollout switch is manual reset.
—6—
240
1900
2050
2180
2
2
110,110
18.5
13.3
4...15
21.7
14,200
2...30
1...1075
3400
4...15
17.5
2...12 x 12
Belt
8000
5 7.5
1745
9.47 (208 v)
213T
1002-1151
1193-1369
Ball
1550
5.4/6.6
5.4/6.6
1
/ 1
8
9.4
7.9
/ 1
16
1...BX...54
1...BX...50
14.6-15.4
4††
3.5
1095
1303
190
0.1285...30/ 0.136...29
0.8 0.98
0.44 0.44
206,000/275,000
270,000/360,000
15-45/20-50
3.3
1
5.5-13.5
.235-.487
/
4
27
44
20
110
200
2
2
70
10.33
(230 and 460 v)
3
/
8
7
/
16
37
44
0.8
0.44
81
1
3
/
4