Variable frequency controller (vfc), Motor control box – and ist pump, Interface schematic to ts-lld - 13 – Franklin Fueling Systems TS-LLD Installation Manual User Manual
Page 47: Control unit installation page 2.3 - 13
Figure 2.3-12 Three Phase 240 VAC Supply – FE PETRO Variable Frequency Controller,
Motor Control Box – and IST Pump
Install Line Filter Cap at L1 and L2
DANGER ELECTRICAL SHOCK HAZARDS. TURN OFF AND LOCK-OUT THE SUBMERSIBLE PUMP POWER SOURCE (L1, L2, L3 - AT THE CIRCUIT BREAKER) - BEFORE - WORKING ON THIS EQUIPMENT. FAILURE TO TURN OFF THE THREE PHASE POWER SOURCE WILL RESULT IN SEVERE INJURY OR DEATH.
Conduit to pump Junction Box
FE PETRO IST three phase
pump motor
Overloads (OLs)
are in series w/ M1 & M3 )
Red
ORG
BLK
Variable Frequency Controller (VFC)
HOOK
(Dispense
Signal)
M3
M2
M1
L3
L2
L1
TS-LLD LSU (Leak Sensing Unit) at IST Pump Housing Leak Detection Port
BLK
Dispense Switches
GND
N
N
GND
GND
N
L3 is optional Three Phase wiring
L3
L2
L1
Electrical Power Panel
P/N
020-0028
S1
S2
M2
NL
2
M1
L1
Aux. Control Relay Box (remove dashed wires)
2 NEU
Neutral (WHT)
1) Observe color code L1 L2 L3 phase sequence for proper rotation of motor.
2) All conduit fittings, EYS seal fittings, and junction boxes in manholes or other Hazardous areas are to be explosionproof rated for: Class 1, Div 1, Group D and wet locations
INCON TS-LLD & FE PETRO IST (or STPs with VS2 suffix) Three Phase or Single Phase Wiring Diagram
NOTES
GND
RLY COIL (RED)
S2 (BRN) Pump On Sig. See Note 5
TB1
SIG RTN
3 P-OUT
4 P-IN
TS-LLD Control Unit (CU)
Power Source = L1
No connection. Wire is routed through the donut-shaped Pickup Coil
Pickup Coil
L1 Line (BLK)
RLY N.O. (ORG)
M1 (ORG)
2 485B
4 DSY2
F1
5 ALARM
3 DSY1
1 110V
TB2
1 485A
GND