Filter
Top Products
Conveying System Mechanical Components Chapter 3: Installation 71 of 138
Figure 36: Typical SPD Series Junction Box Wiring Diagram
T3T2T1
J1
L3L2
L1
95
96
97
98
TEST
TRIPPED
RESET
LEGEND
FIELD WIRING
INTERNAL
WIRING
VS
MTR
3 PHASE / 4 WIRE SERVICE AND
FUSED DISCONNECT SWITCH TO
BE PROVIDED BY CUSTOMER
OL
M
T1
T2
T3
POWER WIRING
FU
FU
FU
L3
L2
L1
5 H.P. PUMP
OL
L2
L3
L1
FOR PUMP VACUUM/VENT
FOR PUMP MOTOR STARTER
FROM CONTROLLER OUTPUT
FROM CONTROLLER OUTPUT
BLOWBACK SOLENOID
FOR FILTER CHAMBER
FROM CONTROLLER OUTPUT
SOLENOID
115VAC
115V AC CONTROL VOLTAGE
0L
96 95
J1
SOL B
SOL A
M
A2 A1
VS
N.O.
ON FILTER CHAMBER
BLOWBACK SOLENOID
MOTOR STARTER
SOLENOID ON PUMP
VACUUM PUMP
VACUUM/VENT
TO CONTROLLER INPUT
FOR PUMP HIGH VACUUM
NEUTRAL
0 VDC
SOL B
BLOWBACK SOLENOID
ON FILTER CHAMBER
VS
96 95
0L
J1
N.O.
SOL A
M
A2 A1
VACUUM/VENT
SOLENOID ON PUMP
VACUUM PUMP
MOTOR STARTER
+24 VDC
24 VDC CONTROL VOLTAGE
TO MOTOR
DISC
GRD
(MTR)
GRD
FROM CONTROLLER OUTPUT
FOR PUMP MOTOR STARTER
FROM CONTROLLER OUTPUT
FROM CONTROLLER OUTPUT
FOR PUMP VACUUM/VENT
BLOWBACK SOLENOID
FOR FILTER CHAMBER
SOLENOID
TO CONTROLLER INPUT
FOR PUMP HIGH VACUUM
WIRE LUG
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.