Cooling Fan Operation Selection (Pr. 244) - Mitsubishi Electric 700 Series Instruction Manual

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

5.19.1 Cooling fan operation selection (Pr. 244)

You can control the operation of the cooling fan built in the inverter (FR-E720-1.5KNF or higher, FR-E740-1.5KNF or
higher).
Parameter
Number
Cooling fan operation
244
selection
The above parameters can be set when Pr.160 User group read selection = "0". (Refer to page 167)
In either of the following cases, fan operation is regarded as faulty and [FN] is shown on the operation panel.
Pr. 244 = "0"
When the fan comes to a stop with power ON.
Pr. 244 = "1"
When the inverter is running and the fan stops during fan ON command.
176
Cooling fan operation
selection
Inverter part life display
Maintenance output
function
Free parameter
Name Initial Value
Parameter that should be Set
Pr. 255 to Pr. 259
Setting Range
0
1
1
Pr. 244
Pr. 503, Pr. 504
Pr. 888, Pr. 889
Description
Operates in power-ON status.
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
running. During a stop, the inverter status
is monitored and the fan switches ON-
OFF according to the temperature.
Refer to Page
176
177
180
181