Figure 36: Typical SPD Series Junction Box Wiring Diagram

 

 

 

 

 

 

 

 

3 PHASE / 4 WIRE SERVICE AND

 

 

 

 

 

 

FUSED DISCONNECT SWITCH TO

 

 

 

 

 

 

BE PROVIDED BY CUSTOMER

 

 

 

 

 

 

DISC

 

 

 

 

GRD

 

L1

FU

M

OL

 

 

 

 

L1

T1

 

 

 

 

L2

FU

L2

T2

 

 

 

 

 

MTR

5 H.P. PUMP

 

 

 

 

 

 

 

 

 

 

 

 

L3

FU

L3

T3

 

 

 

 

 

 

 

L1

L2

L3

 

POWER WIRING

 

 

 

 

GRD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

115VAC

 

VS

 

 

TO CONTROLLER INPU

 

 

 

 

 

 

 

 

 

FOR PUMP HIGH VACU

 

 

 

 

 

 

 

N.O.

 

 

 

 

 

 

 

 

 

 

 

 

 

NEUTRAL

 

 

 

 

 

FROM CONTROLLER OUTPUT

 

0L

J1

 

VACUUM PUMP

 

 

 

 

 

 

 

M

 

 

 

 

 

 

 

 

 

 

 

 

 

FOR PUMP MOTOR STARTER

96

95

A2

A1

MOTOR STARTER

 

TEST

RESET

 

FROM CONTROLLER OUTPUT

 

 

SOL A

VACUUM/VENT

J1

 

 

 

 

 

 

 

 

 

 

 

 

 

SOLENOID ON PUMP

 

96

TRIPPED

 

OL

FOR PUMP VACUUM/VENT

 

 

 

 

95

97

98

SOLENOID

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VS

 

 

SOL B

 

 

 

 

 

 

FROM CONTROLLER OUTPUT

 

 

BLOWBACK SOLENOI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON FILTER CHAMBER

 

 

 

 

 

FOR FILTER CHAMBER

 

 

 

 

 

 

 

 

 

BLOWBACK SOLENOID

115V AC CONTROL VOLTAGE

 

T1

T2

T3

 

 

 

 

 

 

 

 

 

 

 

TO MOTOR

 

 

 

 

 

 

 

 

 

(MTR)

 

 

 

 

 

 

 

 

 

 

0 VDC

 

VS

 

 

TO CONTROLLER INPUT

 

 

 

 

 

FOR PUMP HIGH VACUUM

 

 

 

N.O.

 

 

 

 

 

 

 

 

 

+24 VDC

LEGEND

 

 

0L

J1

 

VACUUM PUMP

FROM CONTROLLER OUTPUT

 

 

M

 

 

 

 

96

95

A2

MOTOR STARTER

 

FOR PUMP MOTOR STARTER

A1

 

 

 

 

 

 

FIELD WIRING

 

 

 

SOL A

VACUUM/VENT

 

FROM CONTROLLER OUTPUT

 

 

 

 

 

 

 

 

 

SOLENOID ON PUMP

INTERNAL

FOR PUMP VACUUM/VENT

 

 

 

 

 

 

 

 

 

WIRING

SOLENOID

 

 

 

 

 

 

 

 

SOL B

 

WIRE LUG

 

 

 

BLOWBACK SOLENOID

FROM CONTROLLER OUTPUT

 

 

 

 

 

 

 

 

ON FILTER CHAMBER

 

 

 

 

 

 

FOR FILTER CHAMBER

24 VDC CONTROL VOLTAGE

 

 

 

BLOWBACK SOLENOID

 

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

71 of 138

Page 71
Image 71
Sterling 882.00379.00 manual Typical SPD Series Junction Box Wiring Diagram