Carrier Omnizone 50BVC, Installation, Start-Up, Service And Controls Operation And Troubleshooting

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20
LEGEND
TXV — Thermostatic Expansion Valve
LEGEND
TXV — Thermostatic Expansion Valve
Table 2 — Physical Data — 50BVC,J,Q
UNIT 50BVC,J,Q 020 024 028 034
NOMINAL CAPACITY (Tons)
18 20 25 30
OPERATING WEIGHT (lb)
50BVC,Q…50BVJ
1090 1310 1530 1650
COMPRESSOR Copeland Scroll
Quantity
2 2 2 2
Number of Refrigerant Circuits
2 2 2 2
REFRIGERANT TYPE
R-410A
Expansion Device
TXV TXV TXV TXV
Operating Charge (oz) per Ckt
130 145 145 288
CONDENSER (50BVC,Q,J only)
Tube-in-Tube Coaxial
Quantity of Manifolded Coils
2 2 2 2
Nominal Flow Rate (gpm)
50 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)
450 450 450 450
Water Connection Size (in.)/Type (Qty)
2 FPT(1) 2 FPT(1) 2 FPT(1) 2 FPT(1)
Volume (gal)
3.0 3.4 3.4 3.3
EVAPORATOR COIL
Rows…Fins/in.
3…14 3…14 3…14 3…14
Total Face Area (sq ft)
18.1 18.1 18.1 27.1
EVAPORATOR FAN
(Quantity) Size
(2)15x15 (2)15x15 (2)15x15 (2)15x15
Type Drive
Belt Belt Belt Belt
Nominal cfm
7000 8000 10,000 12,000
Motor Quantity
2 2 2 2
Motor HP Options
1.5, 2, 3, 5 2, 3, 5 3, 5 5
Motor Nominal RPM (1.5, 2, 3 RPM)
1725 1725 1725 —
Motor Nominal RPM (5 HP)
3450 3450 3450 3450
RETURN AIR FILTERS
(Quantity) Size (in.)
(4) 20x32.5x1 (4) 20x32.5x1 (4) 20x32.5x1 (4) 20x32.5x1
Table 3 — Physical Data — 50BVT, V, W
UNIT 50BVT,V,W 034 044 054 064
NOMINAL CAPACITY (Tons)
30 40 50 60
OPERATING WEIGHT (lb)
50BVT,V…50BVW
2650 4750 5500 5500
COMPRESSOR
Copeland Scroll
Quantity
2 4 4 4
Number of Refrigerant Circuits
2 4 4 4
REFRIGERANT TYPE
R-410A
Expansion Device
TXV TXV TXV TXV
Operating Charge (oz per Ckt)
288 160 288 288
CONDENSER (50BVT,V,W only)
Tube-in-Tube Coaxial
Quantity of Manifolded Coils
2 4 4 4
Nominal Flow Rate (gpm)
90 120 150 180
Water Flow Range (gpm)
60-120 80-160 100-200 120-240
Max Water Working Pressure (psig)
400 400 400 400
Max Refrig. Working Pressure (psig)
450 450 450 450
Water Connection Size (in.)/Type (Qty)
2.5 FPT(1) 2.5 FPT(1) 3 FPT(1) 3 FPT(1)
Volume (gal)
5.4 7.2 10.8 10.8
EVAPORATOR COIL
Rows…Fins/in.
4…12 3…12 4…12 4…12
Total Face Area (sq ft)
22.4 44.8 44.8 44.8
EVAPORATOR FAN
Quantity…Size
1…18x18 2…18x18 2…18x18 2…18x18
Type Drive
Belt Belt Belt Belt
Nominal cfm
12,200 16,000 20,000 24,000
Motor HP Options
1 2 2 2
Supply Fan Motor HP Range
10,15, 20 7.5, 10, 15 7.5, 10, 15, 20 7.5, 10, 15, 20
Motor Nominal RPM
1750 1750 1750 1750
Fan RPM Range)
794-1256 794-1256 794-1256 794-1256
Motor Bearing Type
Ball Ball Ball Ball
RETURN AIR FILTERS
Quantity…Size (in.)
8…17x27x4 16…17x27x4 16…17x27x4 16…17x27x4