6
Section 3 (continued)

Diagram#2showsaset-upformunicipalwaterconnection.

System Design
FLOW
AIR
48
6
3 PHASE OUTPUT
TO MOTOR
5
1
2
SUCTION
3
8
9
7
1SPD CONTROLLER 6AIR DIAPHRAGM TANK
2FUSIBLE DISCONNECT 73 PHASE MOTOR
3CENTRIFUGAL PUMP 8GATE VALVE (BALL VALVE)
4CHECK VALVE 9PRESSURE GAUGE
5PRESSURE TRANSDUCER (CABLE ASSEMBLY) 10 PRESSURE RELIEF VALVE
NOTES: For single phase input power, use L1 and L3 terminals and adjust motor overload switches to
50% of controller rating or lower.
9
T1 T2
T3
L1
L2
L3
SUPPLY POWER
GND
GND
10