OPERATING AND MAINTENANCE MANUAL
BEDFORD W191 ELECTRONIC VARIABLE SPEED DRIVE
W191 Series Intelligent Controller for Water Pump User Manual
Function
Name
Code
Feedback
b00.15
Deviation
Correction
b00.16
Sleep Mode
b00.17
Sleep Rate
Sleep
b00.18
Detection
Cycle
Wake-up
b00.19
Deviation
Sleep
b00.20
Deviation
Terminal Input
b00.21
Control
Delay Time of
b00.22
Water Level
Recovery
Acceleration
b00.23
Time
Deceleration
b00.24
Time
Setting
Factory
Range
Default
Displaying during pressure calibration. If the
displayed value is smaller than the actual
value, increase this parameter value; if the
-0.9~0.9
0.0bar
displayed value is larger than the actual value,
decrease this parameter.
0: invalid;1: Automatic sleep;
0~4
1
2~4: reserved
Increase this value when there are frequent
0.5~20.0
6.0
starts and stops for small water usage; decrease
this value when it is difficult to sleep.
10.0~
20.0s
3600.0
0.0~
Permissible depth of pressure drop during
0.3bar
b00.02
sleep mode.
Permissible pressure fluctuation when sleeping
0.00~0.30
0.12bar
and increasing the value when it is difficult to
sleep
0: Invalid
1: Start-stop (closing indicates start)
2: Water level switch detection (closing
0~3
2
indicates water shortage)
3: Water level switch detection (disconnection
indicates water shortage)
0.0~
When b00.22=0.0, directly reset from fault
0.5min
1440.0
without any delay
5.0s
5.0s
Setting time from zero frequency to maximum
0.5~60.0
5.0s
frequency
5.0s
10.0s
5.0s
Setting timefrom maximum frequency to zero
0.5~60.0
5.0s
frequency
5.0s
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Description