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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 2222
Number of Refrigerant Circuits 2222
Oil (ounces) Ckt 1…Ckt 2 85…85 110…110 110…110 140…140
REFRIGERANT TYPE R-22 or R-410A
Expansion Device TXVTXVTXVTXV
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 2222
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.) 1111
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