Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B User Manual page 11

UNIT SIZE 581B
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Unit
With Durablade Economizer
With EconoMi$er
With Perfect Humidity™ Dehumidification Package
Roof Curb*
COMPRESSOR
Quantity
Oil (oz) (each compressor)
REFRIGERANT TYPE
Operating Charge (lb-oz)
Standard Unit
Circuit 1
Circuit 2
Unit With Perfect Humidity Dehumidification
Package
Circuit 1
Circuit 2
CONDENSER FAN
Quantity...Diameter (in.)
Nominal Cfm
Motor Hp...Rpm
Watts Input (Total)
CONDENSER COIL
Standard Unit
Rows...Fins/in.
Total Face Area (sq ft)
Unit with Perfect Humidity Dehumidification
Package
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Size (in.)
Type Drive
Nominal Cfm
Maximum Continuous Bhp
Motor Frame
Fan Rpm Range
Motor Bearing Type
Maximum Fan Rpm
Motor Pulley Pitch Diameter
A/B (in.)
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)
Belt — 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 Setting — Full Turns Open
Factory Speed Setting (rpm)
Fan Shaft Diameter at Pulley (in.)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)
LEGEND
Bhp — Brake Horsepower
*Weight of 14-in. roof curb.
PHYSICAL DATA (cont)
090
7 1 /
2
870
914
932
899
143
2
53
7-10
8- 2
10-10
12- 8
2...22
6500
1 / ...1100
4
650
2...17
20.5
1...17
6.3
15 x 15
Belt
3000
Std 2.90
Hi-Static 4.20
56
Std 840-1085
Hi-Static 860-1080
Ball
2100
Std 3.4/4.4
Hi-Static 4.0/5.0
7 /
8
7.0
Std
Hi-Static 8.0
Std A...51
Hi-Static A...55
16.75-19.25
Std 50
Hi-Static 60
Std 5
Hi-Static 5
Std 5
Hi-Static 5
Std 840
Hi-Static 860
1
Enhanced Copper Tubes, Aluminum Double-Wavy Fins
3...15
8.9
†Rollout switch lockout is manually reset by interrupting power to unit or
NOTE: High-static motor not available on size 150 units.
11
102
8 1 /
2
880
924
942
909
143
Scroll
2
53
R-22
7-14
8- 5
10-11
10-10
Propeller
2...22
6500
1 / ...1100
4
650
Enhanced Copper Tubes, Aluminum Lanced Fins
2...17
20.5
1...17
6.3
Centrifugal
15 x 15
Belt
3400
2.90
4.20
56
840-1085
860-1080
Ball
2100
3.4/4.4
4.0/5.0
7 /
8
7.0
8.0
A...51
A...55
16.75-19.25
50
60
5
5
5
5
840
860
1
3...15
8.9
resetting thermostat.
120 150
10 12 1 /
2
1035 1050
1079 1094
1097 1112
1068 1083
143 143
2 2
50 60
9-10 9-8
10-10 9-5
13- 0 12-6
13- 5 12-2
2...22 2...22
7000 7000
1 / ...1100 1 / ...1100
4 4
650 650
2...17 2...17
25.0 25.0
1...17 1...17
8.4 8.4
15 x 15 15 x 15
Belt Belt
4000 5000
3.70 5.25
5.25 —
56 56
860-1080 900-1260
830-1130 —
Ball Ball
2100 2100
4.0/5.0 2.8/3.8
2.8/3.8 —
7 / 7 /
8 8
8.0 5.8
5.8 —
A...51 BX...46
BX...46 —
15.85-17.50 15.85-17.50
45 60
60 —
5 6
6 —
5 5
5 —
860 960
890 —
1 1
4...15 4...15
11.1 11.1