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Carrier 50EY, 50EJ, 50EW, 50EK installation instructions 150/150

Models: 50EK 50EY 50EW 50EJ

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Table 4 Ð Electrical Data Ð 50EJ,EK,EW,EY024-048 (cont)

UNIT	NOMINAL	VOLTAGE			COMPRESSOR					OFM			IFM		POWER		ELECTRIC			POWER SUPPLY
	NOMINAL	VOLTAGE								OFM			IFM		POWER		ELECTRIC			POWER SUPPLY
	VOLTAGE	RANGE		No. 1		No. 2									EXHAUST			HEAT*
SIZE	(3 Ph 60 Hz)
		Min	Max	RLA	LRA	RLA		LRA	Qty	Hp	FLA (ea)	Hp		FLA	FLA	LRA	kW	FLA		MCA			MOCP²
															Ð	Ð	Ð	Ð		122.8/120.6	150/150
															23.6	41.6	Ð	Ð		146.4/144.2		175/175
												7.5		24.2/	Ð	Ð	29/36	75.1/ 86.6		124.1/135.8		150/150
												7.5		22.0	23.6	41.6	29/36	75.1/	86.6	153.6/165.3		175/175
														22.0	23.6	41.6	29/36	75.1/	86.6	153.6/165.3		175/175
															Ð	Ð	59/72	150.1/173.2		180.4/200.7		200/225
															23.6	41.6	59/72	150.1/173.2		209.9/230.2		225/250
															Ð	Ð	Ð	Ð		129.4/126.6	150/150
															23.6	41.6	Ð	Ð		153.0/150.2		175/175
	208/230	187	254	39.1	228	39.1		228	2	1	5.3	10		30.8/	Ð	Ð	29/36	75.1/ 86.6		132.3/143.3		150/150
	208/230	187	254	39.1	228	39.1		228	2	1	5.3	10		28.0	23.6	41.6	29/36	75.1/	86.6	161.8/172.8		175/175
														28.0	23.6	41.6	29/36	75.1/	86.6	161.8/172.8		175/175
															Ð	Ð	59/72	150.1/173.2		188.6/208.2		200/225
															23.6	41.6	59/72	150.1/173.2		218.1/237.7		225/250
															Ð	Ð	Ð	Ð		144.8/140.6	175/175
															23.6	41.6	Ð	Ð		168.4/164.2		200/200
												15		46.2/	Ð	Ð	29/36	75.1/ 86.6		151.6/160.8		175/175
												15		42.0	23.6	41.6	29/36	75.1/	86.6	181.1/190.3		200/200
														42.0	23.6	41.6	29/36	75.1/	86.6	181.1/190.3		200/200
															Ð	Ð	59/72	150.1/173.2		207.9/225.7		250/250
															23.6	41.6	59/72	150.1/173.2		237.4/255.2		275/275
															Ð	Ð	Ð	Ð		61.2		80
															12.6	23.6	Ð	Ð		73.8		90
												7.5		11	Ð	Ð	36	43.3		67.9		70
												7.5		11	12.6	23.6	36	43.3		83.6		90
															12.6	23.6	36	43.3		83.6		90
															Ð	Ð	72	86.6		100.4		110
															12.6	23.6	72	86.6		116.1		125
															Ð	Ð	Ð	Ð		64.2		80
															12.6	23.6	Ð	Ð		76.8		90
028	460	414	508	19.9	114	19.9		114	2	1	2.7	10		14	Ð	Ð	36	43.3		71.6		80
028	460	414	508	19.9	114	19.9		114	2	1	2.7	10		14	12.6	23.6	36	43.3		87.4		90
															12.6	23.6	36	43.3		87.4		90
															Ð	Ð	72	86.6		104.1		110
															12.6	23.6	72	86.6		119.9		125
															Ð	Ð	Ð	Ð		71.2		90
															12.6	23.6	Ð	Ð		83.8		100
												15		21	Ð	Ð	36	43.3		80.4		90
												15		21	12.6	23.6	36	43.3		96.1		100
															12.6	23.6	36	43.3		96.1		100
															Ð	Ð	72	86.6		112.9		125
															12.6	23.6	72	86.6		128.6		150
															Ð	Ð	Ð	Ð		49.8		60
															12.6	23.6	Ð	Ð		62.4		70
												7.5		9	Ð	Ð	36	34.6		54.6		60
												7.5		9	12.6	23.6	36	34.6		70.3		80
															12.6	23.6	36	34.6		70.3		80
															Ð	Ð	72	69.3		80.5		90
															12.6	23.6	72	69.3		96.3		100
															Ð	Ð	Ð	Ð		51.8		60
															12.6	23.6	Ð	Ð		64.4		80
	575	518	632	16.0	91	16.0		91	2	1	2.4	10		11	Ð	Ð	36	34.6		57.1		60
	575	518	632	16.0	91	16.0		91	2	1	2.4	10		11	12.6	23.6	36	34.6		72.8		80
															12.6	23.6	36	34.6		72.8		80
															Ð	Ð	72	69.3		83.0		90
															12.6	23.6	72	69.3		98.8		100
															Ð	Ð	Ð	Ð		57.8		70
															12.6	23.6	Ð	Ð		70.4		80
												15		17	Ð	Ð	36	34.6		64.6		70
												15		17	12.6	23.6	36	34.6		80.3		90
															12.6	23.6	36	34.6		80.3		90
															Ð	Ð	72	69.3		90.5		100
															12.6	23.6	72	69.3		106.3		110

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Image 18

Carrier 50EY, 50EJ, 50EW, 50EK installation instructions 150/150

Contents

INSTALLATION Step 1 Ð Provide Unit Support CONTENTSIMPORTANT Ð READ BEFORE INSTALLING SAFETY CONSIDERATIONSFig. 1 Ð Roof Curb Sizes UNIT LEVELING TOLERANCES DIMENSIONSDegrees and Inches Fig. 2 Ð Roof Curb Sizes UNIT LEVELING TOLERANCES DIMENSIONSDegrees and Inches Fig. 3 Ð Base Unit Dimensions, 50EJ/EK024-034 UNIT SIZE Fig. 5 Ð Base Unit Dimensions, 50EW/EY024-034 UNIT SIZE WHEN RIGGING NOTICE TO RIGGERS ALL PANELS MUST BE IN PLACEFig. 7 Ð Rigging Label Factory Speed Setting rpm Table 1 Ð Physical DataOPERATING WEIGHT lb HIGH-PRESSURESWITCH psigFactory Speed Setting rpm Table 1 Ð Physical Data contOPERATING WEIGHT lb HIGH-PRESSURESWITCH psigFig. 8 Ð Air Distribution Ð Thru-the-Bottom Step 4 Ð Make Unit Duct ConnectionsTable 2 Ð Evaporator Fan Motor Data Fig. 9 Ð Air Distribution Ð Thru-the-SideFeatures with Thermostat Control of Unit Fig. 11 Ð Field Control Remote Start/Stop Fig. 12 Ð Control Board Diagram Fig. 13 Ð Field Power Wiring Connections Step 7 Ð Make Electrical Connections1.Remove cap from red 208-vwire Table 4 Ð Electrical Data Ð 50EJ,EK,EW,EY024-048 150/150 200/200 225/200 225/225 23.6 23.6 PEC − Power Exhaust Controller Fig. 14 Ð Control Box Diagram SizesFig. 15 Ð Control Box Diagram Sizes PEC Ð Power Exhaust ControllerFig. 17 Ð Field Control Temperature Sensor Wiring Step 8 Ð Make Outdoor-AirInlet AdjustmentsFig. 16 Ð Field Control Thermostat Wiring Table 5 Ð CCN Connection Approved Shielded CablesFig. 18 Ð Adding Seal Strip to Top of Hood Sides Fig. 20 Ð Adding Seal Strip toMounting Flange of Hood Sides Hood Top Mounting Flange Attached to Filter Track AssemblyFig. 21 Ð Adding Seal Strip to Fig. 22 Ð Adding Foam Strip to Cross MemberFig. 27 Ð Attaching Seal Strip to Filter Cover Fig. 29 Ð Wire Connections for Solid StateFig. 30 Ð Psychrometric Chart for Fig. 28 Ð Differential Enthalpy ControlFig. 31 Ð Barometric Relief Damper and Power Exhaust Mounting DetailsFig. 32 Ð Pressure Transducer Locations Fig. 33A Ð Motormaster III Sensor Location SizesFig. 33C Ð Motormaster III Sensor Location START-UP Direct Digital Controls DIP Switch Congura Table 8 Ð Potentiometer Signal LevelsTable 9 Ð Power Exhaust Default Set Points SETTING Sequence of Operation AIRFLOW AVAILABLE EXTERNAL STATIC PRESSURE in. wg Table 15 Ð Air Quantity Limits Table 16 Ð Motor Limitations Table 17 Ð User Dened Set PointsThe control module will operate economizer, run diag- nostics to monitor alarms/alerts at all times, and respond to CCN communications to perform any congured network POC product outboard control functions such as time/ outdoor-airtemperature broadcast and global occupancy broad- cast. When the optional expansion I/O board is employed, it will perform a periodic scan and maintain a database of ex- panded I/O points perform Fire/Smoke control power ex- haust required if in Occupied mode, perform IAQ control and monitor the fan, lter, demand limit, and eld-appliedstatus with accessories Fig. 35 Ð Heat Interlock Relay Wiring Fig. 36 Ð Space Temperature Sensor WiringCV Units with 2 Compressors SERVICETable 18 Ð Cooling Capacity Staging Table Table 19 Ð Cooling Capacity Staging TableLubrication Evaporator Fan Service and Replacementand Adjustment Fig. 38 Ð Evaporator-FanPulley AlignmentEvaporator-FanMotor Replacement Belt Tension Adjustment Ð To adjust belt tensionCondenser-FanAdjustment Fig. 39 Ð Belt Tension AdjustmentFig. 41 Ð Cooling Charging Chart Sizes Fig. 42 Ð Cooling Charging Chart SizesTROUBLESHOOTING Fig. 43 Ð Typical Refrigerant Circuiting50EJ,EK,EW,EY024-034 LEGEND FPS Ð Freeze Protection Switch Fig. 44 Ð Typical Refrigerant Circuiting50EJ,EK,EW,EY038,044 HPS Ð High-PressureSwitchLEGEND FPS Ð Freeze Protection Switch Fig. 45 Ð Typical Refrigerant Circuiting50EJ,EW048 HPS Ð High-PressureSwitchTable 20 Ð Control Board LED Alarms Table 22 Ð I/O Channel Designations Table 21 Ð I/O Channel DesignationsBase Module Ð CV Base Module Ð VAVTable 23 Ð I/O Channel Designations Expansion Module Ð CV and VAVPage Page PACKAGED SERVICE TRAINING PRE-START-UP START-UPCHECKLISTTEMPERATURES ELECTRICALSTART-UPCHECKLIST cont GENERAL