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

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Table 9B — Electrical Data — 50BVT,U,V,W,X

		NOMINAL	VOLTAGE				COMPRESSOR				INDOOR FAN MOTOR			POWER		DISCONNECT
UNIT SIZE		NOMINAL	RANGE			No. 1 / No. 2		No. 3 / No. 4			INDOOR FAN MOTOR			SUPPLY		SIZE
UNIT SIZE		VOLTAGE	RANGE			No. 1 / No. 2		No. 3 / No. 4						SUPPLY		SIZE
50BVT,U,V,W,X		VOLTAGE
50BVT,U,V,W,X		(3 Ph, 60 Hz)	Min	Max		RLA	LRA	RLA		LRA	Qty	HP	FLA	MCA	MOCP	FLA
		(3 Ph, 60 Hz)										HP	FLA
												(ea)	(ea)
												(ea)	(ea)
												7.5	19.4	159.4	200	143.8
		208/230	187	253		62.2	376	—		—	1	10	25.8	165.8	225	150.2
		208/230	187	253		62.2	376	—		—	1	15	38.6	178.6	225	163.0
												15	38.6	178.6	225	163.0
												20	49.6	189.6	250	174.0
												7.5	9.7	71.8	90	64.9
	034	460	414	506		27.6	178	—		—	1	10	12.9	75.0	100	68.1
	034	460	414	506		27.6	178	—		—	1	15	19.3	81.4	100	74.5
												15	19.3	81.4	100	74.5
												20	24.8	86.9	110	80.0
												7.5	7.8	53.9	70	48.8
		575	518	633		20.5	148	—		—	1	10	10.3	56.4	70	51.3
		575	518	633		20.5	148	—		—	1	15	15.4	61.5	80	56.4
												15	15.4	61.5	80	56.4
												20	19.8	65.9	80	60.8
												7.5	19.4	217.3	250	206.8
		208/230	187	253		42.0	239	42.0		239	2	10	25.8	230.1	250	219.6
												15	38.6	255.7	250	245.2
												7.5	9.7	101.0	110	96.2
	044	460	414	506		19.2	125	19.2		125	2	10	12.9	107.4	125	102.6
												15	19.3	120.2	125	115.4
												7.5	7.8	68.3	80	65.2
		575	518	633		12.4	80	12.4		80	2	10	10.3	73.3	80	70.2
												15	15.4	83.5	90	80.4
												7.5	19.4	239.0	250	227.2
		208/230	187	253		47.1	318	47.1		318	2	10	25.8	251.8	250	240.0
		208/230	187	253		47.1	318	47.1		318	2	15	38.6	277.4	300	265.6
												15	38.6	277.4	300	265.6
												20	49.6	299.4	300	287.6
												7.5	9.7	115.5	125	109.8
	054	460	414	506		22.6	158	22.6		158	2	10	12.9	121.9	125	116.2
	054	460	414	506		22.6	158	22.6		158	2	15	19.3	134.7	150	129.0
												15	19.3	134.7	150	129.0
												20	24.8	145.7	150	140.0
												7.5	7.8	89.1	100	84.8
		575	518	633		17.3	125	17.3		125	2	10	10.3	94.1	110	89.8
		575	518	633		17.3	125	17.3		125	2	15	15.4	104.3	110	100.0
												15	15.4	104.3	110	100.0
												20	19.8	113.1	125	108.8
												7.5	19.4	303.2	350	287.6
		208/230	187	253		62.2	376	62.2		376	2	10	25.8	316.0	350	300.4
		208/230	187	253		62.2	376	62.2		376	2	15	38.6	341.6	400	326.0
												15	38.6	341.6	400	326.0
												20	49.6	363.6	400	348.0
												7.5	9.7	136.7	150	129.8
	064	460	414	506		27.6	178	27.6		178	2	10	12.9	143.1	150	136.2
	064	460	414	506		27.6	178	27.6		178	2	15	19.3	155.9	150	149.0
												15	19.3	155.9	150	149.0
												20	24.8	166.9	175	160.0
												7.5	7.8	102.7	110	97.6
		575	518	633		20.5	148	20.5		148	2	10	10.3	107.7	125	102.6
		575	518	633		20.5	148	20.5		148	2	15	15.4	117.9	125	112.8
												15	15.4	117.9	125	112.8
												20	19.8	126.7	125	121.6
			LEGEND
FLA	— Full Load Amps		MCA		— Minimum Circuit Amps
HP	— Horsepower		MOCP		— Maximum Overcurrent Protection
LRA	— Locked Rotor Amps		RLA		— Rated Load Amps

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Contents SAFETY CONSIDERATIONS Installation, Start-Upand Service InstructionsCONTENTS 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 a50-7307efSize 034 Units Size 044-064Units Shipping Weights lba50-8235 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 Two-StageCooling Units Fig. 24 - Typical Wiring 18 to 30 Ton Unitsa50-7272ef 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 23 - Software Points Table 21 - Controller Set PointsTable 22 - Controller Hardware 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 31 - Clearing a Forced Input or Output Table 29 - CV Units LED Diagnostic CodesTable 30 - Forcing an Input or Output Page Page Page Page FIELD WIRING UNIT WIRINGPage a50-7282ef FIELD WIRINGWIRE LEGEND TRANS-1FIELD WIRING PCB2 J1PCB1 FIELD WIRINGUNIT WIRING 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