Useful Functions; Cooling Fan Operation Selection (Pr. 244) - Mitsubishi Electric FR-A700 Instruction Manual

Useful functions

6.25 Useful functions
Purpose
Increase cooling fan life
To determine the maintenance time
of parts.
Freely available parameter
6.25.1

Cooling fan operation selection (Pr. 244)

You can control the operation of the cooling fan (00083 or more) built in the inverter.
Pr. No. Name
Cooling fan operation
244
selection
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 minor fault "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.196 "Output terminal function selection", and for the LF signal, set "98" (source
logic) or "198" (sink logic).
NOTE When terminal assignment is changed using Pr. 190 to Pr. 196 "Output terminal function
selection", the other functions may be affected. Please make setting after confirming the
function of each terminal.
6 - 526
Parameters that must be set
Cooling fan operation selection
Inverter part life display
Maintenance output function
Current average value monitor signal
Free parameter
Initial Setting
Description
Value Range
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
1
The fan is always on while the inverter
is running. During a stop, the inverter
1
status is monitored and the fan
switches on-off according to the tem-
perature of the heatsink.
Parameter
Refer to
Section
Pr. 244 6.25.1
Pr. 255–Pr. 259 6.25.2
Pr. 503–Pr. 504 6.25.3
Pr. 555–Pr. 557 6.25.4
Pr. 888–Pr. 889 6.25.5
Parameters referred to
190–196 Output terminal
function selection
Refer to
Section
6.14.5