Bryant 548F User Manual
Page 68
68
PHYSICAL DATA
549B036-072
LEGEND
BASE UNIT 549B
036
048
060
072
NOMINAL CAPACITY (tons)
3
4
5
6
OPERATING WEIGHT (lb)
Unit
500
550
590
630
Durablade Economizer
34
34
34
34
EconoMi$er
47
47
47
47
Roof Curb
115
115
115
115
COMPRESSOR
Scroll
Quantity
1
1
1
1
Oil (oz)
42
53
50
60
REFRIGERANT TYPE
R-22
Operating Charge (lb)
6.9
9.6
10.8
17.7
OUTDOOR FAN
Propeller
Quantity...Diameter (in.)
1...22
1...22
1...22
1...22
Nominal Cfm
3500
3500
3500
3500
Motor Hp...Rpm
1
/
8
...825
1
/
8
...825
1
/
4
...1100
1
/
4
...1100
OUTDOOR COIL
Enhanced Copper Tubes, Aluminum Fins, Fixed Orifice Metering Device
Rows...Fins/in.
1...17
2...17
2...17
2...17
Total Face Area (sq ft)
14.58
16.53
16.53
16.53
INDOOR FAN
Centrifugal
Size (in.)
10 x 10
10 x 10
10 x 10
10 x 10
Type Drive
Belt
Belt
Belt
Belt
Nominal Cfm
1200
1600
2000
2400
Maximum Continuous Bhp
1.20
1.20
1.80
2.40
Motor Frame
48
48
48
56
Fan Rpm
760-1090
840-1185
1020-1460
1120-1585
Motor Bearing Type
Ball
Ball
Ball
Ball
Maximum Fan Rpm
1725
1725
1725
1725
Motor Pulley Pitch Diameter A/B (in.)
1.9/2.9
1.9/2.9
2.4/3.4
2.4/3.4
Fan Pulley Pitch Diameter (in.)
4.5
4.0
4.0
3.7
Belt — Type...Length (in.)
A...33
A...33
A...38
A...38
Pulley Center Line Distance (in.)
10.0-12.4
10.0-12.4
14.7-15.5
14.7-15.5
Speed Change per Full Turn of
Movable Pulley Flange (rpm)
65
70
93
93
Movable Pulley Maximum Full Turns
From Closed Position
5
5
6
5
Factory Setting Full Turns Open
3
3
3
3
Factory Speed Setting (rpm)
890
980
1240
1305
Fan Shaft Diameter at Pulley (in.)
5
/
8
5
/
8
5
/
8
5
/
8
INDOOR COIL
Enhanced Copper Tubes, Aluminum Double Wavy Fins, Fixed Orifice Metering Device
Rows...Fins/in.
2...15
2...15
4...15
4...15
Total Face Area (sq ft)
5.5
5.5
5.5
5.5
HIGH-PRESSURE SWITCH (psig)
Standard Compressor Internal Relief
625
Cutout
428
Reset (Auto.)
320
LOSS-OF-CHARGE/LOW-PRESSURE SWITCH
(Liquid Line) (psig)
Cutout
7 ± 3
Reset (Auto.)
22 ± 5
FREEZE PROTECTION THERMOSTAT
Opens (F)
30
Closes (F)
45
OUTDOOR-AIR INLET SCREENS
Cleanable
Quantity...Size (in.)
1...20 x 24 x 1
RETURN-AIR FILTERS
Throwaway
Quantity...Size (in.)
2...16 x 25 x 2
Bhp — Brake Horsepower
50
T
F
Q
0
04
-0
12
5
49B
036
-120