Sterling 882.00379.00 manual SUB Panel Layout and Connection Diagram

Figure 37: Typical SPD Series Junction Box with Fused Disconnect Wiring Diagram

3 PHASE / 4 WIRE SERVICE

DISC TO BE PROVIDED BY CUSTOMER

				TO TERMINAL A1 (NEUTRAL)
GRD				ON MOTOR STARTER (M)
				FROM CONTROLLER OUTPUT	(FROM DISC-3)
	(NEUTRAL)			FOR BLOWBACK
FROM L1, L2 AND L3				SOLENOID	FROM CONTROLLER OUTPUT
AT BOTTOM OF				FROM CONTROLLER	FOR MOTOR STARTER
DISCONNECT SWITCH					(115VAC)
(DISC)	L1	L2	L3	OUTPUT FOR VACUUM/
				VENT SOLENOID	L2	L3
				L1
		A1
	1	3	5
		L2	L3
	L1			13
				M

L1	FU	L1	M	OL
				T1
L2	FU	L2		T2
					MTR	5 H.P. PUMP
L3	FU	L3		T3

POWER WIRING WITH DISCONNECT SWITCH

T1	T2			T3	14		TO SOL A
2	4			6
			A2				TO SOL B
	A2
J1		TEST		RESET			TO TERMINAL #96
			TRIPPED
95		96	97		98		OL ON OVERLOAD (OL)
FROM DISC-2							TO		DISC
2	T	4	T	6	T		VACUUM
	1		2		3				L2 L3
							SWITCH	L1
							(VS)	TO L1, L2 AND L3
T1		T2			T3
							ON MOTOR STARTER (M)
TO MOTOR
(MTR)
							FROM DISC-1		VS
						TO CONTROLLER INPUT
							FOR HIGH VACUUM
SUB PANEL LAYOUT AND CONNECTION DIAGRAM

(115V AC)

FROM CONTROLLER OUTPUT FOR PUMP MOTOR STARTER

FROM CONTROLLER OUTPUT FOR PUMP VACUUM/VENT SOLENOID

FROM CONTROLLER OUTPUT FOR FILTER CHAMBER BLOWBACK SOLENOID

DISC

DISC-1

DISC-2

DISC-3

DISC-4

VS

	N.O.
	0L	J1
			M
96	95	A2	A1

SOL A

SOL C

SOL B

TO CONTROLLER INPUT FOR PUMP HIGH VACUUM

(NEUTRAL)

VACUUM PUMP

MOTOR STARTER

VACUUM/VENT

SOLENOID ON PUMP

OPTIONAL ATMOSPHERIC VALVE ON FILTER CHAMBER

BLOWBACK SOLENOID ON FILTER CHAMBER

				(115V AC)
GRD				TO TERMINAL A1 (+24VDC)
				ON MOTOR STARTER (M)
				FROM CONTROLLER OUTPUT FOR
				VACUUM/VENT SOLENOID
FROM L1, L2 AND L3	(FROM DISC-1)
AT BOTTOM OF				(+24VDC)
DISCONNECT SWITCH
(DISC)
	L1	L2	L3		L2	L3
				L1

	JUNCTION BOX ON VACUUM PUMP
CONTROL WIRING	115V AC CONTROL VOLTAGE

		A1
1	3			5
	L2			L3
L1					13
						M
T1	T2			T3	14
2	4			6		TO TERMINAL A1
			A2			(+24VDC) ON
	A2					MOTOR STARTER (M)
J1		TEST		RESET
		96	TRIPPED			OL
95			97		98
FROM CONTROLLER OUTPUT								DISC
FOR PUMP MOTOR STARTER
	T		T		T
2	1	4	2	6	3	L1	L2	L3
T1		T2			T3	TO L1, L2 AND L3
						ON MOTOR STARTER (M)
TO MOTOR
(MTR)
						(0VDC)		VS
				TO CONTROLLER INPUT FOR
						HIGH VACUUM

(0V DC)	VS
	N.O.
	0L	J1
			M
96	95	A2	A1

SOL A

SOL C

SOL B

DISC-1

TO CONTROLLER INPUT FOR PUMP HIGH VACUUM

(+24V DC)

VACUUM PUMP

MOTOR STARTER

VACUUM/VENT

SOLENOID ON PUMP

OPTIONAL ATMOSPHERIC VALVE ON FILTER CHAMBER

BLOWBACK SOLENOID ON FILTER CHAMBER

CONTROL WIRING

SUB PANEL LAYOUT AND CONNECTION DIAGRAM	JUNCTION BOX ON VACUUM PUMP
(24V DC)	24V DC CONTROL VOLTAGE

Note: This information is shown for reference only. Refer to the electrical Schematics that were supplied with your equipment and controls for specific wiring information.

Conveying System Mechanical Components Chapter 3: Installation 72 of 138