Useful Functions; Cooling Fan Operation Selection (Pr. 244) - Mitsubishi Electric FR-F720P-0.75K to 110K Instruction Manual

Fr-f700p series
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4.22 Useful functions

Purpose
Increase cooling fan life
To determine the maintenance time
of parts.
Freely available parameter
To initiate a fault alarm
To save time for parameter setting

4.22.1 Cooling fan operation selection (Pr. 244)

You can control the operation of the cooling fan (FR-F720P-2.2K or higher, FR-F740P-3.7K or higher) built in the
inverter.
Parameter
Name
Number
244
Cooling fan operation selection
The above parameters can be set when Pr. 160 User group read selection = "0". (
⋅ In either of the following cases, fan operation is regarded as faulty, [FN] is shown on the operation panel, and the fan
alarm output (FAN) and alarm (LF) signals are output.
⋅Pr. 244 = "0"
When the fan comes to a stop with power ON.
⋅Pr. 244 = "1"
When the fan stops during the fan ON command while the inverter is running.
⋅ For the terminal used for the FAN signal output, set "25" (positive logic) or "125" (negative logic) in any of Pr. 190 to
Pr. 196 (output terminal function selection), and for the LF signal, set "98" (positive logic) or "198" (negative logic).
CAUTION
⋅ Changing the terminal assignment using Pr. 190 to Pr. 196 (output terminal function selection) may affect the other functions.
Set parameters after confirming the function of each terminal.
♦ Parameters referred to ♦
Pr. 190 to Pr. 196 (output terminal function selection)
Parameter that must be Set
Cooling fan operation selection
Inverter part life display
Maintenance output function
Current average value monitor
signal
Free parameter
Fault initiation
Automatic parameter setting
Initial Value
Setting Range
1
Refer to page
Refer to page 140
Pr. 244
Pr. 255 to Pr. 259
Pr. 503, Pr. 504
Pr. 555 to Pr. 557
Pr. 888, Pr. 889
Pr. 997
Pr. 999
Description
Operates at power ON
0
Cooling fan ON/OFF control invalid (The
cooling fan is always ON at power ON)
Cooling fan ON/OFF control valid
The fan is always ON while the inverter is
1
running. During a stop, the inverter status
is monitored and the fan switches ON-
OFF according to the temperature.
201)

Useful functions

Refer to
Page
281
282
285
286
288
289
290
281
4

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