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Cleaning Function - Mitsubishi Electric FR-F820-00046 Instruction Manual

Fr-f800 series.
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5.11.5 Cleaning function

This is a function to remove stains or foreign matter on the impellers or fans of pumps by setting a forward/reverse rotation
sequence.
Pr.
1469
Number of cleaning times
A420
monitor
1470
Number of cleaning times
A421
setting
1471
Cleaning trigger selection
A422
1472
Cleaning reverse rotation
A423
frequency
1473
Cleaning reverse rotation
A424
operation time
1474
Cleaning forward rotation
A425
frequency
1475
Cleaning forward rotation
A426
operation time
1476
Cleaning stop time
A427
1477
Cleaning acceleration time
A428
1478
Cleaning deceleration time
A429
1479
Cleaning time trigger
A430
 Outline of the cleaning operation
• Setting a number in Pr.1470 Number of cleaning times setting enables the cleaning function.
• The cleaning operation is started when the trigger set in Pr.1471 or Pr.1479 occurs, or when the X98 signal turns ON.
When the cleaning is started initially, the operation in the opposite direction to the start command is performed.
STF
Trigger
Y215
Output
frequency
Pr.1474
Normal
operation
0Hz
Pr.1476
Pr.1472
Pr.1469
0
• When the number of times of cleaning operation is an odd number, the operation in the opposite direction to the start
command is performed. When the number of cleaning times is an even number, the operation in the start command
direction is performed.
398
5. PARAMETERS
5.11 (A) Application parameters
Name
Initial value
0
0
0
30 Hz
5 s
9999
9999
5 s
9999
9999
0
ON
ON
ON
Pr.8
Pr.1476
Pr.1477
Pr.1478
Pr.1473
1
Setting range
0 to 255
Displays the number of cleaning times. (Read-only)
0 to 255
Set the number of cleaning times.
0 to 15
Select the condition to start cleaning.
0 to 590 Hz
Set the reverse rotation frequency for cleaning operation.
Set the operating time after the cleaning forward rotation
0 to 3600 s
frequency is reached.
0 to 590 Hz
Set the forward rotation frequency for cleaning operation.
9999
As set in Pr.1472.
Set the operating time after the cleaning forward rotation
0 to 3600 s
frequency is reached.
9999
As set in Pr.1473.
Set the stop time when the rotation is switched from
0 to 3600 s
forward to reverse or from reverse to forward.
0 to 3600 s
Set the acceleration time for cleaning.
9999
Acceleration time for normal operation.
0 to 3600 s
Set the deceleration time for cleaning.
9999
Deceleration time for normal operation.
0
Time trigger disabled
0.1 to 6000 h
Cleaning is performed at a set time interval.
A trigger generated during the
cleaning operation does not affect the
operation.
ON
Cleaning operation
Pr.1475
Pr.1477
Pr.1478
Pr.1476
2
Description
OFF
Pr.7
Pr.1476
Time
The cleaning operation is
terminated when the number of
cleaning operation times reaches
the Pr.1470 setting.
3

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