Operation – Multiquip ST3020BCUL User Manual
Page 22
page 22 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10)
OperatiOn
electronic overload module settings
Cb200 Control box old style electronic overload
Module
There are two dials on the Electronic Overload Module
(Figure 14) that require setting before the pump can be
used with the control box.
These dials are located on top of the overload module and
are labeled CLASS and FLC (A).
Use a phillips-head screw driver to adjust the dials to the
correct settings.
Full Load Current (FLC) Amps Dial Setting
1. Set the FLC (A) dial pointer (Figure 14) to 10.5. This
setting represents the running amps of the pump. This
information can be located on the pump's nameplate.
Figure 14. Electronic Overload
Module (Old Style)
Class Dial Setting
1. Depending on the application, Set the
CLASS dial
pointer (Figure 14) to either
Hand (manual) or aUto.
2. There are 3 groups of numbers on the
CLASS dial that
range from 10 to 30. These numbers represent the trip
class of the thermal overload device.
3. Set the
CLASS dial pointer to position 10. This setting
controls the reset function only. It does not affect the
ability of the pump to run with or without float switches.
NOTICE
aLWaYs make sure that the electronic overload
module supplied with the control box is set to the correct
amperage. This overload module must
matCH the
amperage requirements of the pump motor.
Using an electronic overload unit with incorrect settings
may result in serious damage to the pump.
aLWaYs
check the nameplate on the pump to determine the
required amperage settings for the overload module.
reset operation
This electronic control unit has two modes of reset. The
modes are defined as follows:
MODE 1
When the
CLASS dial on the electronic overload module
is in the
Hand position (manual) the reset button (Figure 15)
on the front of the control box must be pushed to reset the
unit (restore power) in the event of an overload.
Figure 15. Control Box Reset Button
MODE 2
When the
CLASS dial on the electronic overload module
is in the
aUto position (automatic mode) the unit will
automatically be reset in the event of an overload
Cb200 Control box new style electronic overload
Module
There are two dials (A and B) on the Electronic Overload
Module (Figure 16) that require setting before the pump
can be used with the control box.
Figure 16. Electronic Overload
Module (New Style)
NOTICE
The CB200 Control Box (old style) is shipped from the
factory with the
CLASS dial set to the Hand position.