Carrier 50BV020-064 specifications B - Physical Data - 50BVT,U,V,W,X

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Table 3B — Physical Data — 50BVT,U,V,W,X

UNIT 50BVT,U,V,W,X

034

 

044

 

054

 

064

NOMINAL CAPACITY (Tons)

30

 

40

 

50

 

60

OPERATING WEIGHT (lb)

 

 

 

 

 

 

 

50BVT,V…50BVW

2580…2645

 

4334…4404

 

5198…5298

 

5230…5330

50BVU…50BVX

2420…2485

 

4094…4164

 

4938…5038

 

4970…5070

COMPRESSOR

 

 

Copeland Scroll

 

 

Quantity

2

 

4

 

4

 

4

 

 

 

Number of Refrigerant Circuits

2

 

4

 

4

 

4

Oil (oz.)

 

 

 

 

 

 

 

Circuit 1…Circuit 2

140…140

 

110…110

 

140…140

 

140…140

Circuit 3…Circuit 4

 

110…110

 

140…140

 

140…140

REFRIGERANT TYPE

 

 

R-22

 

 

Expansion Device

TXV

 

TXV

 

TXV

 

TXV

 

 

 

Operating Charge (lb)

 

 

 

 

 

 

 

Circuit 1…Circuit 2

18.0…18.0

 

10.0…10.0

 

18.0…18.0

 

18.0…18.0

Circuit 3…Circuit 4

 

10.0…10.0

 

18.0…18.0

 

18.0…18.0

CONDENSER (50BVT,V,W only)

 

 

Tube-in-Tube Coaxial

 

 

Quantity of Manifolded Circuits

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

Min. Entering Water Temp. (°F)

50

 

50

 

50

 

50

Max. Entering Water Temp. (°F)

110

 

110

 

110

 

110

Waterside Volume (gal)

6.0

 

9.0

 

11.3

 

13.5

EVAPORATOR COIL

 

 

 

 

 

 

 

Rows…Fins/in.

4…12

 

3…12

 

4…12

 

4…12

Total Face Area (sq ft)

23.2

 

46.4

 

46.4

 

46.4

EVAPORATOR FAN

 

 

 

 

 

 

 

Quantity…Size

1…18x18

 

2…18x18

 

2…18x18

 

2…18x18

Type Drive

Belt

 

Belt

 

Belt

 

Belt

Nominal CFM

12,000

 

16,000

 

20,000

 

24,000

Motor Option 1 Qty…HP…Frame Size

1…7.5…213T

 

2…7.5…213T

 

2…7.5…213T

 

2…7.5…213T

Motor Option 2 Qty…HP…Frame Size

1…10…215T

 

2…10…215T

 

2…10…215T

 

2…10…215T

Motor Option 3 Qty…HP…Frame Size

1…15…254T

 

2…15…254T

 

2…15…254T

 

2…15…254T

Motor Option 4 Qty…HP…Frame Size

1…20…256T

 

 

2…20…256T

 

2…20…256T

Motor Nominal RPM

1750

 

1750

 

1750

 

1750

Fan Drive RPM Range

 

 

 

 

 

 

 

Standard (7.5 HP)

780-960

 

780-960

 

780-960

 

780-960

Standard (10, 15, 20 HP), Med Static (7.5 HP)

805-991

 

805-991

 

805-991

 

805-991

Med Static (10, 15, 20 HP), High Static (7.5 HP)

960-1146

 

960-1146

 

960-1146

 

960-1146

High Static (10, 15, 20 HP)

1119-1335

 

1119-1335

 

1119-1335

 

1119-1335

Motor Bearing Type

Ball

 

Ball

 

Ball

 

Ball

Maximum Allowable RPM

1450

 

1450

 

1450

 

1450

Motor Pulley Pitch Diameter

 

 

 

 

 

 

 

Std Fan Drive (7.5 HP)

5.2-6.4

 

5.2-6.4

 

5.2-6.4

 

5.2-6.4

Std Fan Drive (10, 15, 20 HP), Med Static (7.5 HP)

4.8-6.0

 

4.8-6.0

 

4.8-6.0

 

4.8-6.0

Med Static Fan Drive (10, 15, 20 HP), High Static (7.5 HP)

5.8-7.0

 

5.8-7.0

 

5.8-7.0

 

5.8-7.0

High Static Fan Drive (10, 15, 20 HP)

5.8-7.0

 

5.8-7.0

 

5.8-7.0

 

5.8-7.0

Motor Shaft Diameter (in.) (7.5, 10 HP)

13/8

 

13/8

 

13/8

 

13/8

Motor Shaft Diameter (in.) (15, 20 HP)

15/8

 

15/8

 

15/8

 

15/8

Belt, Qty…Type…Length (in.)

 

 

 

 

 

 

 

Std Fan Drive (7.5 HP)

2…B…48

 

2...B...48

 

2…B…48

 

2…B…48

Std Fan Drive (10, 15, 20 HP), Med Static (7.5 HP)

2…B…46

 

2…B…46

 

2…B…46

 

2…B…46

Med Static Fan Drive (10, 15, 20 HP), High Static 7.5 HP)

2…B…48

 

2…B…48

 

2…B…48

 

2…B…48

High Static Fan Drive (10, 15, 20 HP)

2…B…45

 

2…B…45

 

2…B…45

 

2…B…45

Pulley Center Line Distance (in.)

10.2-11.4

 

10.2-11.4

 

10.2-11.4

 

10.2-11.4

Speed Change Per Full Turn of Moveable Pulley Flange (RPM)

 

 

 

 

 

 

 

Std Fan Drive (7.5 HP)

36

 

36

 

36

 

36

Std Fan Drive (10, 15, 20 HP), Med Static (7.5 HP)

31

 

31

 

31

 

31

Med Static Fan Drive (10, 15, 20 HP), High Static (7.5 HP)

31

 

31

 

31

 

31

High Static Fan Drive (10, 15, 20 HP)

36

 

36

 

36

 

36

Fan Shaft Diameter (in.)

17/16

 

17/16

 

17/16

 

17/16

HIGH PRESSURE SWITCHES (PSIG)

 

 

 

 

 

 

 

Cutout

380 ± 10

 

380 ± 10

 

380 ± 10

 

380 ± 10

Reset (Auto)

300 ± 15

 

300 ± 15

 

300 ± 15

 

300 ± 15

LOW PRESSURE SWITCHES (PSIG)

 

 

 

 

 

 

 

Cutout

20 ± 3

 

20 ± 3

 

20 ± 3

 

20 ± 3

Reset (Auto)

40 ± 5

 

40 ± 5

 

40 ± 5

 

40 ± 5

REMOTE REFRIGERANT CONNECTIONS (50BVU,X Only)

 

 

 

 

 

 

 

Discharge (Hot Gas) Connection (in.) Qty…Size

2…11/8

 

4…11/8

 

4…11/8

 

4…11/8

Liquid Connection (in.) Qty…Size

2…7/8

 

4…7/8

 

4…7/8

 

4…7/8

RETURN AIR FILTERS

 

 

 

 

 

 

 

Quantity…Size (in.)

8…17x27x4

 

16…17x27x4

 

16…17x27x4

 

16…17x27x4

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Image 18
Contents Installation, Start-Upand Service Instructions CONTENTSSAFETY CONSIDERATIONS MAJOR SYSTEM COMPONENTS Constant Volume CV Units GENERALTable 2 - Modular Unit Shipping Table INSTALLATIONStep 1 - Complete Pre-InstallationChecks a50-7257efFig. 2 - 50BVC,J,Q020-034Dimensions Fig. 3 - 50BVE,K020-034Dimensions Fig. 4 - 50BVT,V,W034 High-BoyDimensions a50-8201Fig. 5 - 50BVT,V,W034 Low-BoyDimensions Fig. 6 - 50BVT,V,W044-064 High-BoyDimensions Fig. 7 - 50BVT,V,W044-064 Low-BoyDimensions Fig. 8 - 50BVU,X034 High-BoyDimensions Fig. 9 - 50BVU,X034 Low-BoyDimensions Fig. 10 - 50BVU,X044-064 High-BoyDimensions Fig. 11 - 50BVU,X044-064 Low-BoyDimensions NOTES 1.Dimensions in inches mm a50-7306efNOTES 1.Dimensions in inches mm a50-7307efShipping Weights lb a50-8235Size 034 Units Size 044-064Units Table 3A - Physical Data - 50BVC,E,J,K,Q Table 3B - Physical Data - 50BVT,U,V,W,X Fig. 15 - Typical Fan Discharge Connections for Multiple Fan UnitsP/N 39EK20462 a50-7138efFig. 16 - Duct Static Pressure Probe a50-7267efa50-8253 Fig. 19 - DHS Limit Switch P/NStep 4 - Make Piping Connections Fig. 18 - DHS Pressure Limit LocationTable 5B - Condenser Pressure Drop Table 5A - Condenser Pressure Drop50BVC,J,Q Units 50BVT,V,W UnitsTable 6B - Hot Water Pressure Drop Table 6A - Hot Water Pressure Drop50BVC,E,J,K,Q Units 50BVT,U,V,W,X Unitsft wg, 50BVT,U,V,W,X Units Step 5 - Complete Electrical ConnectionsTable 7B - Economizer Pressure Drop Curve a50-7270efTable 9A - Electrical Data - 50BVC,E,J,K,Q Table 9B - Electrical Data - 50BVT,U,V,W,X Fig. 24 - Typical Wiring 18 to 30 Ton Units a50-7272efTwo-StageCooling Units a50-7164tf a50-7273efTable 10 - Recommended Cables Fig. 26 - Field Terminal BlockFig. 27 - Modular Unit VAV Control Panel Installation Unit Discharge Locationa50-7275ef a39-1867tValues for Supply-AirTemperature Sensor START-UPTable 11 - Thermistor Resistance vs Temperature 10 Kilo- ohmCV Unit Start-Up Table 13 - Fan Performance - 50BVC,E,Q020Table 14 - Fan Performance - 50BVC,E,Q024 Table 15 - Fan Performance - 50BVC,E,Q028 Table 16 - Fan Performance - 50BVC,E,Q034 Table 17 - Fan Performance - 50BVT,U,V034 Table 17 - Fan Performance - 50BVT,U,V034 cont Table 18 - Fan Performance - 50BVT,U,V044 Table 19 - Fan Performance - 50BVT,U,V054 Table 19 - Fan Performance - 50BVT,U,V054 cont Table 20 - Fan Performance - 50BVT,U,V064 Table 20 - Fan Performance - 50BVT,U,V064 cont VAV Unit Start-Up Fig. 32 - LID OMNIZONE VPAC02-06-04 a50-7425efFig. 33 - 50BV VFD Display The LID display will show Year Table 21 - Controller Set Points Table 22 - Controller Hardware PointsTable 23 - Software Points Table 24 - Configuration Parameters Unoccupied space or return air temperature demand SERVICE MAINTENANCEa50-187tf a50-186tfFig. 34 - Gravity Flow Method Fig. 35 - Forced Circulation MethodCharging the System Evaporator Fan Performance AdjustmentTROUBLESHOOTING a50-7135tfPROBLEM POSSIBLE CAUSECORRECTION PROCEDURE Table 28 - Unit TroubleshootingPROBLEM POSSIBLE CAUSETable 29 - CV Units LED Diagnostic Codes Table 30 - Forcing an Input or OutputTable 31 - Clearing a Forced Input or Output Page Page Page Page FIELD WIRING UNIT WIRINGPage a50-7282ef FIELD WIRINGWIRE LEGEND TRANS-1FIELD WIRING PCB2 J1FIELD WIRING UNIT WIRINGPCB1 FIELD WIRING PCB1LEGEND AND NOTES FOR FIG Form 50BV-3SI Copyright 2008 Carrier CorporationCatalog No 10-08II. PRE-START-UP START-UPCHECKLISTI. PRELIMINARY INFORMATION CONTROLSIII.START-UP