Operation – Multiquip ST3020BCUL User Manual
Page 23

st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 23
OperatiOn
Full Load Current (FLC) Amps Dial A Setting
1. Set dial
A pointer (Figure 16) to 10.5. This setting
represents the running amps of the pump. This
information can be located on the pump's nameplate
Reset Dial Setting
1. Depending on the application, Set
reset dial B
pointer (Figure 16) to either
aUto or man.
manual operation
1. From the voltage source set the circuit breaker or quick
disconnect switch to the
on position.
2. For manual operation of the pump, place the 3-position
operation switch (Figure 17) on the control box in the
manUaL position.
Figure 17. Manual-Off-On SW. (Man Position)
3. Verify that the
on indicator (Figure 18) on the control
box is LIT. This means that power is being supplied to
the control box.
Figure 18. Control Box Power ON Indicator
4. In the manual mode the pump will run continuously. Pay
close attention when running the pump in this mode.
Severe
damage to the pump may occur if pump is
not immersed in water.
automatic operation
1. From the voltage source set the circuit breaker or quick
disconnect switch to the
on position.
2. Make sure float switches have been connected to the
control box. References Figures 9,10 and 11.
3. For automatic operation of the pump, place the
3-position operation switch (Figure 19) on the control
box in the
aUto position.
Figure 19. Manual-Off-On SW. (AUTO Position)
4. In the
aUto mode the pump will run as long as there
is a sufficient amount of water for the
start float switch
to be activated. This water level is determined by the
setting of the float switches.
The
stop float switch contacts will open when the
water level is low and power will be removed from the
pump's motor.
5. Once the water level has risen back to the appropriate
level the
start float switch contacts will close and power
will be restored to the pump's motor.