5
Pump/
Motor
120/240 VAC
Supply
Power
120/240 VAC
Flush
Valve
120/240
VAC
Inlet
Valve
120/240
VAC
Pressure
Switch
Pretreat
Switch
Tank Lo
Switch
Tank Hi
Switch
Inlet Power Switch
Motor Relay
(1.0HP 120VAC)
(2.0HP 240VAC)
Dry Contacts.
Do not apply external voltage
Alternate wiring for
single level switch.
Tank Lo Tank Hi
240 VAC
120 VAC
F2 Controller
Power Fuse
F3 Solenoid
Power Fuse
F1
Main
Power Fuse
Inlet Valve
Relay
Flush Valve
Relay
Switch LEDs
Illuminate when
switches close.
Feed and Flush
Solenoid LEDs
Illuminate when
the relay is
energized.
Pump LED
Illuminates when the
motor relay is energized.
Transformer
Figure 4 - Controller Detail:
Terminal Board, TB-1 (See Fig. 1 for schematic)