Bard MV4000 installation instructions HOOK-UP Diagram Selection Table Reference Shown

TABLE 1

HOOK-UP DIAGRAM SELECTION TABLE — REFERENCE FIGURE 1 SHOWN

		MV4000-B	MV4000-BC with	MV4000-B	MV4000-BC Newer
System	Model			Newer ECONWMT	ECONWMT Economizer
		No	Communication Board –
Type	Series			Economizer — No	with CB4000
		Economizer	No Economizer
				Communication Board	Communication Board
A/C with 1-Stage	H**A / H**L	1	3	5	7
Compressor
A/C with 2-Stage	HA*S / HL*S	2	4	N/A	N/A
Compressor

Figure 1

MV4000-B controller connections

1-stage (H**A/H**L series) air conditioners – no economizer

	AC UNIT 1		MV4000 UNIT 1				MV4000
		TERMINAL BLOCK
	R		R
	C		C
	Y		Y
	F		F
	A		A
	4		4	DIRTY FILTER
	5		5	ALARM (NC)
	6		6				MV4000
	7						MAIN BOARD
	8		8					R
	9		9					C
	W							W	UNIT 1
	Y1							Y1
	Y2							Y2
	G			NOTE: DC BACK-UP POWER				G
	E							+
	2			IS POLARITY SENSITIVE AND			48VDC
				MUST BE CONNECTED AS SHOWN				_
	3			OR CONTROLLER WILL NOT					OPTIONAL
				OPERATE ON DC POWER ONLY
	10								48VDC
	1					E
					1	F
				LOCKOUT ALARM		2
						3
						E
					1	F
	REFRIGERANT PRESSURE LOCKOUT			LOCKOUT ALARM		2
1						3
	ALARM - REQUIRES "J" CONTROL MODULE IN
	A/C UNITS				2	ALARM
						BOARD	FIRE/SMOKE
2	THE "E" AND "F" CONNECTION FOR EMERGENCY		GEN RUN ALARM/				ALARM CIRCUIT
							"NC" CONTACTS -
	VENTILATION ARE AVAILABLE		ECON SHUTDOWN
							OPEN ON ALARM
		NC CONTACTS							FIRE/
								F1	SMOKE
		OPEN ON ALARM			REMOVE
		NC CONTACTS
			2 COMP RUN ALARM		JUMPER			F2
		OPEN ON ALARM
			TERMINAL BLOCK
							REMOVE
							JUMPER
	AC UNIT 2							R
	1
								G
	E
								Y2
	2								UNIT 2
								Y1
	3
	10							W
								C
	G				NOTE: ALL SENSORS ARE
	Y2			POLARITY SENSITIVE. COPPER			LOCAL	CU	COPPER
					LEAD MUST CONNECT TO
	Y1		MV4000 UNIT 2		CU, AND SILVER MUST			AG	SILVER
	W	TERMINAL BLOCK			LEAD TO AG			CU	COPPER
	9		9		OPTIONAL FIELD INSTALLED		REM 1
	8		8		25 FOOT TEMPERATURE			AG	SILVER
					SENSORS, BARD PART			CU
	7				NUMBER 8612-023		REM 2		COPPER
	6		6					AG	SILVER
	5		5	DIRTY FILTER				G2
	4		4	ALARM (NC)
								G1
	A		A
				OPTIONAL FIELD INSTALLED			HUMIDITY
	F		F					H1
	Y		Y	HUMIDITY CONTROLLER			CONTROLLER H2
				"NO" CONTACTS - CLOSE ON RISE
	C		C				ADVANCE
	R		R

MIS-3065

Manual	2100-571A
Page	16 of 31