Carrier 50BV020-064 specifications 50BVU,X044-064 Low-BoyDimensions

Page 13
Fig. 11 — 50BVU,X044-064 (Low-Boy) Dimensions

NOTES:

1. Dimensions in inches.

2. All units are rear return airflow configuration.

3. Use proper piping practice for remote refrigerant connections. Refer to Carrier System Design Manual Part 3.

4.Recommended minimum service clearances are as follows:

a.Front and rear — 30 in. (762 mm)

b.Left and right sides — 65 in. (1651 mm) for coil removal

CONNECTIONS

 

UNIT SIZE

044

054

064

A

LIQUID LINE CIRCUIT 1, 2

7/8 in. OD

7/8 in. OD

7/8 in. OD

B

LIQUID LINE CIRCUIT 3, 4

7/8 in. OD

7/8 in. OD

7/8 in. OD

C

DISCHARGE LINE CIRCUIT 1, 2

1-1/8 in. OD

1-1/8 in. OD

1-1/8 in. OD

D

DISCHARGE LINE CIRCUIT 3, 4

1-1/8 in. OD

1-1/8 in. OD

1-1/8 in. OD

E

CONDENSATE DRAIN

1-1/4 in. FPT

1-1/4 in. FPT

1-1/4 in. FPT

F

ECONOMIZER DRAIN

1-1/4 in. FPT

1-1/4 in. FPT

1-1/4 in. FPT

REPLACEMENT FILTERS : SIXTEEN (16) AT 17 x 27 x 4 INCHES.

Fig. 11 — 50BVU,X044-064 (Low-Boy) Dimensions

13

Image 13
Contents CONTENTS Installation, Start-Upand Service InstructionsSAFETY CONSIDERATIONS GENERAL MAJOR SYSTEM COMPONENTS Constant Volume CV UnitsStep 1 - Complete Pre-InstallationChecks INSTALLATIONTable 2 - Modular Unit Shipping Table a50-7257efFig. 2 - 50BVC,J,Q020-034Dimensions Fig. 3 - 50BVE,K020-034Dimensions a50-8201 Fig. 4 - 50BVT,V,W034 High-BoyDimensionsFig. 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 a50-7306ef NOTES 1.Dimensions in inches mma50-7307ef NOTES 1.Dimensions in inches mma50-8235 Shipping Weights lbSize 034 Units Size 044-064Units Table 3A - Physical Data - 50BVC,E,J,K,Q Table 3B - Physical Data - 50BVT,U,V,W,X Multiple Fan Units Fig. 15 - Typical Fan Discharge Connections forFig. 16 - Duct Static Pressure Probe a50-7138efP/N 39EK20462 a50-7267efStep 4 - Make Piping Connections Fig. 19 - DHS Limit Switch P/Na50-8253 Fig. 18 - DHS Pressure Limit Location50BVC,J,Q Units Table 5A - Condenser Pressure DropTable 5B - Condenser Pressure Drop 50BVT,V,W Units50BVC,E,J,K,Q Units Table 6A - Hot Water Pressure DropTable 6B - Hot Water Pressure Drop 50BVT,U,V,W,X UnitsTable 7B - Economizer Pressure Drop Curve Step 5 - Complete Electrical Connectionsft wg, 50BVT,U,V,W,X Units a50-7270efTable 9A - Electrical Data - 50BVC,E,J,K,Q Table 9B - Electrical Data - 50BVT,U,V,W,X a50-7272ef Fig. 24 - Typical Wiring 18 to 30 Ton UnitsTwo-StageCooling Units Table 10 - Recommended Cables a50-7273efa50-7164tf Fig. 26 - Field Terminal Blocka50-7275ef Installation Unit Discharge LocationFig. 27 - Modular Unit VAV Control Panel a39-1867tTable 11 - Thermistor Resistance vs Temperature START-UPValues for Supply-AirTemperature Sensor 10 Kilo- ohmTable 13 - Fan Performance - 50BVC,E,Q020 CV Unit Start-UpTable 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 02-06-04 OMNIZONE VPACFig. 32 - LID a50-7425efFig. 33 - 50BV VFD Display The LID display will show Year Table 22 - Controller Hardware Points Table 21 - Controller Set PointsTable 23 - Software Points Table 24 - Configuration Parameters Unoccupied space or return air temperature demand MAINTENANCE SERVICEFig. 34 - Gravity Flow Method a50-186tfa50-187tf Fig. 35 - Forced Circulation MethodTROUBLESHOOTING Evaporator Fan Performance AdjustmentCharging the System a50-7135tfPOSSIBLE CAUSE PROBLEMPROBLEM Table 28 - Unit TroubleshootingCORRECTION PROCEDURE POSSIBLE CAUSETable 30 - Forcing an Input or Output Table 29 - CV Units LED Diagnostic CodesTable 31 - Clearing a Forced Input or Output Page Page Page Page UNIT WIRING FIELD WIRINGPage WIRE LEGEND FIELD WIRINGa50-7282ef TRANS-1PCB2 J1 FIELD WIRINGUNIT WIRING FIELD WIRINGPCB1 PCB1 FIELD WIRINGLEGEND AND NOTES FOR FIG Catalog No Copyright 2008 Carrier CorporationForm 50BV-3SI 10-08I. PRELIMINARY INFORMATION START-UPCHECKLISTII. PRE-START-UP CONTROLSIII.START-UP