Carrier 50XJ064-104 specifications PCB2 J1, 50BVJ,K,W,X Field-Installed Low Voltage Schematic

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34

PCB2 J1

SW1

1 2 3 4 5 6 7 8	1
	0
SW2
1 2 3 4 5 6 7 8	INT
	EXT

SW3	J4
SW3
1 2 3 4 5 6 7 8	20MA
	OTHER
SW4

1 2 3 4 5 6 7 8 10VDC

OTHER

SW5
1	2	3	4	DO
				AO
SW6
1	2	3	4	DO
				AO

J3

J7

3 2 1

TO PCB1 (J7)

1	TRANS-2 (24VAC)		11	TRANS-1 R		TRANS-1 C	10
1		CBR
20	BLU	YEL		20
2			PHASE		PHASER
21		TB1-1		TB1-3	PHASER		WIRE LEGEND
21		TB1-1		TB1-3	A B	10	WIRE LEGEND
3		21	C NO	236	A B	10

			TB1-2															UNIT WIRING
			TB1-2															FIELD WIRING
16		CDWFS	237 A	B														FIELD WIRING
16
235			CDWF
235			CDWF
15									5	3				BLU
14		Factory Jumper *							5	3				BLU
		Factory Jumper *								DIS-7
								MSR1	5	DIS-7				DIS-8
233										3				DIS-8
233		A								3
13		A	B					233		234	+		-
13		235	B					MSR2			+		-	BPS_S
12		+	-					MSR2			A		B	BPS_S
12		A	TRMOP
232		A	B
232		232	-
11		+	-
11		+	HIR								ECONO MBV
10		11	HIR
		11	AQUA		RAT
			AQUA		RAT		TRANS-3 R					1		24VAC
9							TRANS-3 R							24VAC
228
8					MBVR					1		2		Close				COMMON TB
8				A	MBVR	B	TRANS-3 C		MBVR			3		Close				COMMON TB
7				A		B			7	4				Open



6											ECONO Modulating
231												1
5					TRANS-1 C							1	COMMON
5					TRANS-1 C								COMMON
4					TRANS-1 R							2		24VAC			10
4					TRANS-1 R									24VAC
230
3												4		0-20 MA
2		A	B
2		+	- TRMCT
229		A	B
1		A	B
1		+	-
		+	-															FIELD CONN
			VENTR															FIELD CONN
18																		TB2
17																207		RESET
17																		RESET
16																210		SPT
16																		SPT
15																10		C
212	3	5														228		HWV
14		BYPAS													5	3	227	HWV
211		BYPAS															227
13		BYPASS OPTION											TRMOP				226	TRMOP
12															5	3	225
210														VENTR				VENTR
11														VENTR			224	VENTR
209															5	3
10				11	A		B								5	3	223
10				11	A		B	219									223
208													TRMCT				222	TRMCT
9		FREEZ			ROCC								TRMCT			3	222	TRMCT
8		FREEZ													5		221
		ECONO OPTION													5		221
		ECONO OPTION
					A		B	216						HIR
207					A		B	216									220	HIR
207																	220	HIR
7	3	5
206	3	5			FSD												102
206																	102
6		PHASER					B	RED LOCAL MODE						To PCB1			101	SAT
205		PHASER			A		B	RED LOCAL MODE						To PCB1			101	SAT
								DIS-5
5			BRN				218			SW							219
204					MSR2			OFF									219	ROCC
204								OFF		BLU
4										BLU
203		FLTS			A			DIS-6		DIS-111				10				C
3		FLTS		11	A		B 217	YEL		To 111	DIS-C						216	FSD
202								REMOTE										FSD
2					MSR1			REMOTE									215
2		MA_RA															215	ALM-CM
201
201
1												ALARM			5	3	214	ALARM
NOTES:												ALARM			5	3	213	ALARM
NOTES:												WARN			5	3	213	WARN
* JUMPER INSTALLED FOR THIS DEVICE WHEN NOT SUPPLIED												WARN						WARN
* JUMPER INSTALLED FOR THIS DEVICE WHEN NOT SUPPLIED
SEE W/D NUMBER CNTL0038A FOR PCB1 LOW VOLTAGE WIRING.
SEE W/D NUMBER CNTL0038C FOR HIGH VOLTAGE WIRING.
SEE W/D NUMBER CNTL0038D FOR LEGEND.

50BVJ,K,W,X Field-Installed Low Voltage Schematic

Image 34

Contents Controls Operation Troubleshooting Page Control Inputs and Outputs SW2 SW3 SW1Communication Cable Recommendations Manufacturer Part NumberWhen the unit is off, both valves are closed Field Terminal Blocks for 50XJ Unit Space Temperature Sensor Typical Wiring 33ZCT55SPT Numeric Keys LID Function KeysOperative Keys Operative USE KeysOmnizone Vpac Quick Access Chart KEY Algo Stat Hist Srvc Alrm SETOmnizone Page SETPT01 Controller Set Points OMNIZONESETPT02Controller Hardware Points Configuration ParametersSoftware Points Operation Page Page RUN Keys and Functions for 50XJ VFD VFD Non-Trip Messages for 50XJ UnitVFD Trip Messages for 50XJ Unit KEY Operaton LED Message Explanation VFD Mode Summary for 50XJ UnitDown 50BV VFD Display Non-Trip Messages for the 50BV VFD Trip Messages for 50BV VFDEpho OL1OL2 EPH1Error Communication Problem Possible Causes Remedies Code Forcing an Input or Output Run Test TroubleshootingClearing a Forced Input or Output Alarms Displayed at Unit LID Compressor MUX Board Voltages Comp Volts Range50BVJ,K Low Voltage Schematic Unit Wiring50BVJ,K High Voltage Schematic 50BVW,X Low Voltage Schematic TRANS-3 24VAC BLU50BVW,X High Voltage Schematic 50BVJ,K,W,X Field-Installed Low Voltage Schematic PCB2 J150BVJ,K Field-Installed Low Voltage Schemtic 3 4 5 6 750BVW,X Field-installed Low Voltage Schematic Field WiringSPT RoccAqua Bpss50XJ Low Voltage Control Wiring LOW Voltage Control Wiring50XJ 115V Control Wiring BLK VIO Switch Settings50XJ Power Wiring Power Wiring50BV,XJ Accessory Control Module PCB3 Schematic PCB3HRN HeatCdwfs IFMDescription Value Units Status Force Name Cdwf 0=NO,1=YES Cdfwswt Econ 0=NO,1=YES Ewtsns NumcmpRsetrto EwtrstDescription Value Units Name SENSDI00 PntnameSETPT09 SETPT00High Conversion Endpoint 309.77 Comparison Point OMNIZONEDSALM02 Phase Protection Monitored Input Point OMNIZONEDSALM05 Fire alarm Monitored Input Point OMNIZONEDSALM08 Compressor 1 Alarm Monitored Input Point DISCRO00 LINK09 OMNIZONEINTLK02 Ok to Cool Discrete Output Point NTFC00 VOLTI00SETPT03 HCVAV01OMNIZONELMALM02 Entering WaterTemp Monitored Input Point DOW3 DOW1DOW2 DOW4Maintenance Screens ADAPT03 FalseCcvvrf LMALM03Eeprom ADAPT02ADAPT01 RAMDodxrf Description Value Units Status Force Name ANCTL01 CCVAV01Tasktimr LMALM02Resched Taskstat Exetime

50XJ064-104 specifications

The Carrier 50XJ064-104 is a high-efficiency rooftop air conditioning system designed to deliver exceptional cooling and heating capabilities for diverse commercial applications. One of the standout features of this model is its robust cooling capacity of 64,000 BTUs, making it suitable for mid to large-sized spaces. The 50XJ064-104 is engineered using advanced technologies to ensure energy efficiency and reliable performance, contributing to reduced operational costs and environmental sustainability.

One of the primary technologies employed in the Carrier 50XJ064-104 is the high-efficiency scroll compressor. This component plays a pivotal role in optimizing energy usage while delivering consistent cooling output. The system also incorporates an economizer that allows for enhanced energy savings by utilizing outdoor air for cooling when conditions are favorable. This not only decreases reliance on the compressor but also improves indoor air quality.

The microprocessor-based controls in the 50XJ064-104 provide precise temperature regulation, ensuring optimal comfort levels in various applications. These controls allow for easy programming and can be integrated into building management systems for centralized oversight. Additionally, the unit features a built-in fault detection and diagnostic system that aids in identifying potential issues before they escalate, minimizing downtime and maintenance costs.

The Carrier 50XJ064-104 is designed with durability in mind. It features a weather-resistant cabinet, designed to withstand harsh outdoor conditions and prolong service life. The high-quality insulation within the unit not only enhances energy efficiency but also minimizes noise levels, making it an ideal choice for urban environments where sound control is critical.

Another important characteristic is its environmentally friendly R-410A refrigerant, which has a lower impact on ozone depletion compared to older refrigerants. This aligns with Carrier's commitment to creating sustainable HVAC solutions that comply with current environmental regulations.

Overall, the Carrier 50XJ064-104 stands out for its combination of efficiency, advanced technologies, and durable construction. Whether for commercial buildings, retail spaces, or industrial applications, this rooftop air conditioning unit is designed to provide reliable performance and comfort year-round.