17
Table 3A — Physical Data — 50BVC,E,J,K,Q
LEGEND
*R-410A models.
UNIT 50BVC,E,J,K,Q
020
024
028
034
NOMINAL CAPACITY (Tons)
18
20
25
30
OPERATING WEIGHT (lb)
50BVC,Q…50BVJ
1192…1227
1378…1413
1428…1473
1680…1725
50BVE…50BVK
1110…1145
1290…1325
1320…1365
1520…1565
COMPRESSOR
Copeland Scroll
Quantity
2
2
2
2
Number of Refrigerant Circuits
2
2
2
2
Oil (ounces) Ckt 1…Ckt 2
85…85
110…110
110…110
140…140
REFRIGERANT TYPE
R-22 or R-410A
Expansion Device
TXV
TXV
TXV
TXV
Operating Charge (lb) Ckt 1…Ckt 2
8.1…8.1
9.1…9.1
9.1…9.1
18.0…18.0
CONDENSER (50BVC,Q,J only)
Tube-in-Tube Coaxial
Quantity of Manifolded Circuits
2
2
2
2
Nominal Flow Rate (GPM)
54
60
75
90
Water Flow Range (GPM)
36-72
40-80
50-100
60-120
Max. Water Working Pressure (PSIG)
400
400
400
400
Max. Refrig. Working Pressure (PSIG)
450 (600*)
450 (600*)
450 (600*)
450 (600*)
Min. Entering Water Temp. (°F)
50
50
50
50
Max. Entering Water Temp. (°F)
110
110
110
110
Waterside Volume (gal)
3.6
4.0
5.0
6.0
EVAPORATOR COIL
Rows…Fins/in.
3…14
3…14
3…14
3…14
Total Face Area (sq ft)
18.1
18.1
18.1
22.0
EVAPORATOR FAN
Quantity…Size
2…15x15
2…15x15
2…15x15
2…15x15
Type Drive
Belt
Belt
Belt
Belt
Nominal CFM
7200
8000
10,000
12,000
Std Motor Qty…HP…Frame Size
2…1.5…56
2…2…56H
2…3…56HZ
2…5…56HZ
Alt 1 Motor Qty…HP…Frame Size
2…2…56H
2…3…56HZ
2…5…56HZ
—
Alt 2 Motor Qty…HP…Frame Size
2…3…56HZ
2…5…56HZ
—
—
Alt 3 Motor Qty…HP…Frame Size
2…5…56HZ
—
—
—
Motor Nominal RPM (1.5, 2, 3, HP)
1725
1725
1725
—
Motor Nominal RPM (5 HP)
3450
3450
3450
3450
Fan Drive RPM Range
Std Fan Drive (1.5, 2, 3 HP)
753-952
753-952
753-952
—
Std Fan Drive (5 HP)
967-1290
967-1290
967-1290
967-1290
Med Static Fan Drive (1.5, 2, 3 HP)
872-1071
872-1071
872-1071
—
Motor Bearing Type
Ball
Ball
Ball
Ball
Maximum Allowable RPM
1300
1300
1300
1300
Motor Pulley Pitch Diameter
Std Fan Drive (1.5, 2, 3 HP)
3.7-4.7
3.7-4.7
3.7-4.7
—
Std Fan Drive (5 HP)
2.9-3.9
2.9-3.9
2.9-3.9
2.9-3.9
Med Static Fan Drive (1.5, 2, 3 HP)
4.3-5.3
4.3-5.3
4.3-5.3
—
Motor Shaft Diameter (in.) (1.5, 2 HP)
5
/
8
5
/
8
—
—
Motor Shaft Diameter (in.) (3, 5 HP)
7
/
8
7
/
8
7
/
8
7
/
8
Belt, Qty…Type…Length (in.)
Std Fan Drive (1.5, 2 HP)
1…B…39
1…B…39
—
—
Std Fan Drive (3 HP)
2…B…39
2…B…39
2…B…39
—
Std Fan Drive (5 HP)
2...BX…42
2...BX…42
2...BX…42
2...BX…42
Med Static Fan Drive (1.5, 2 HP)
1…B…40
1…B…40
—
—
Med Static Fan Drive (3 HP)
2…B…40
2…B…40
2…B…40
—
Pulley Center Line Distance (in.)
10.1…10.9
10.1…10.9
10.1…10.9
10.1…10.9
Speed Change Per Full Turn of
Moveable Pulley Flange (RPM)
Std Fan Drive (1.5, 2, 3 HP)
33
33
33
—
Std Fan Drive (5 HP)
54
54
54
54
Med Static Fan Drive (1.5, 2, 3 HP)
33
33
33
—
Fan Shaft Diameter (in.)
1
1
1
1
HIGH PRESSURE SWITCHES (PSIG)
Cutout
380 (420*) ± 10
380 (420*) ± 10
380 (420*) ± 10
380 (420*) ± 10
Reset (Auto)
300 (420*) ± 15
300 (420*) ± 15
300 (420*) ± 15
300 (420*) ± 15
LOW PRESSURE SWITCHES (PSIG)
Cutout
20 (40*) ± 3
20 (40*) ± 3
20 (40*) ± 3
20 (40*) ± 3
Reset (Auto)
40 (60*) ± 5
40 (60*) ± 5
40 (60*) ± 5
40 (60*) ± 5
REMOTE REFRIGERANT CONNECTIONS
(50BVE,K Only)
Discharge (Hot Gas) Connection (in.) Qty…Size
2…1
1
/
8
2…1
1
/
8
2…1
1
/
8
2…1
1
/
8
Liquid Connection (in.) Qty…Size
2…
7
/
8
2…
7
/
8
2…
7
/
8
2…
7
/
8
RETURN AIR FILTERS
Quantity…Size (in.)
4…20x34.5x1
4…20x34.5x1
4…20x34.5x1
4…30x34.5x1
TXV —
Thermostatic Expansion Valve