Bryant 551B Series Installation, Start-Up And Service Instructions Manual page 6

BASE UNIT 551B
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Unit
With Varislide™ Economizer
With PARABLADE Economizer
Roof Curb
COMPRESSOR
Quantity
Oil (oz)
REFRIGERANT TYPE
Operating Charge (lb-oz)
CONDENSER FAN
Qty...Diameter (in.)
Nominal Cfm
Motor Hp...Rpm
Watts Input (Total)
CONDENSER COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Qty...Size (in.)
Nominal Cfm
Maximum Continuous Bhp
Motor Frame
Fan Rpm Range (Nominal)
Motor Bearing Type
Maximum Fan Rpm
Motor Pulley Pitch Diameter A/B (in.)
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)
Belt, Qty...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)
HIGH-PRESSURE SWITCH (psig)
Standard Compressor Internal Relief (Differential)
Cutout
Reset (Auto.)
LOSS-OF-CHARGE/LOW-PRESSURE
SWITCH (Liquid Line)(psig)
Cutout
Reset (Auto.)
FREEZE-PROTECTION THERMOSTAT
Opens (F)
Closes (F)
OUTDOOR-AIR INLET SCREENS
Qty...Size (in.)
RETURN-AIR FILTERS
Qty...Size (in.)
LEGEND
Bhp — Brake Horsepower
Table 1 — Specifications
036
3
435
469
477
115
1
42
5-8
1...22.0 1...22.0
3000 3000
1 ⁄ ...825 1 ⁄
8 8
450
High-Efficiency Enhanced Copper Tubes, Lanced Aluminum Fins
1...17 2...17
14.58 16.53
1...10 x 10 1...10 x 10
1200 1600
1.20 1.20
48
760-1090 840-1185
Ball
2100 2100
1.9/2.9 1.9/2.9
1 ⁄
2
4.5
1...A...33 1...A...36
10.0-12.4 10.0-12.4
65
5
3
890
5 ⁄
8
High-Efficiency Enhanced Copper Tubes, Aluminum Double-Wavy Fins,
2...15 2...15
5.5
—6—
048 060
4 5
445 465
479 499
487 507
115 115
Scroll
1 1
53 50
R-22
8-6 10-0
Propeller Type
1...22.0
4000
...825 1 ⁄ ...1100
4
450 450
2...17
16.53
Centrifugal Type, Belt Drive
1...10 x 10
2000
1.80
48 56
1020-1460
Ball Ball
2100
2.4/3.4
1 ⁄ 1 ⁄
2 2
4.0 4.0
1...A...40
14.7-15.5
70 75
5 6
3 3
980 1240
5 ⁄ 5 ⁄
8 8
Acutrol™ Feed Device
4...15
5.5 5.5
450 ± 50
428
320
7 ± 3
22 ± 7
30
45
Cleanable
1...20 x 24 x 1
Throwaway
2...16 x 25 x 2
072
6
520
554
562
115
1
60
9-10
1...22.0
4000
1 ⁄ ...1100
4
450
2...17
16.53
1...10 x 10
2400
2.40
56
1120-1585
Ball
2100
2.4/3.4
5 ⁄
8
3.7
1...A...38
14.7-15.5
93
5
3
1305
5 ⁄
8
4...15
5.5