Mitsubishi Electric FREQROL Manuel d'instructions Page 435

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Parameter Useful functions
FR-E700 EC 6 - 295
6.21 Useful functions
6.21.1 Cooling fan operation selection (Pr. 244)
You can control the operation of the cooling fan (FR-E740-040 or more, FR-E720S-050 or more)
built in the inverter.
The above parameter 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 oper-
ation panel, and the fan fault "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 FAN signal output, set "25" (source logic) or "125" (sink logic) to any
of Pr. 190 to Pr.192 "Output terminal function selection", and for the LF signal, set "98" (source
logic) or "198" (sink logic).
Increase cooling fan life Parameters that must be set
Refer to
Section
To determine the maintenance time
of parts.
Cooling fan operation selection Pr. 244 6.21.1
Inverter part life display Pr. 255–Pr. 259 6.21.2
Maintenance output function Pr. 503–Pr. 504 6.21.3
Freely available parameter Current average value monitor signal Pr. 555–Pr. 557 6.21.4
Increase cooling fan life Free parameter Pr. 888–Pr. 889 6.21.5
Pr. No. Name
Initial
Value
Setting
Range
Description Parameters referred to
Refer to
Section
244
Cooling fan operation
selection
1
0
Operates at power on
Cooling fan on/off control invalid (The
cooling fan is always on at power on)
190–192 Output terminal
function selection
6.10.5
1
Cooling fan on/off control valid
The fan is always on while the inverter
is running. During a stop, the inverter
status is monitored and the fan
switches on-off according to the tem-
perature of the heatsink.
NOTE When terminal assignment is changed using Pr. 190 to Pr. 192 "Output terminal function
selection", the other functions may be affected. Please make setting after confirming the
function of each terminal.
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