Handling Precautions - Mitsubishi Electric KD Series User Manual

2-7 Handling precautions

【Thermal management 】
2-7-1 Thermal management
This product can be operated under an environmental
temperature (Ta) between +5 and +50℃ (in case of L4) ,
+5 and +40℃ (in case of L5/L6) under natural air cooling
circumstance.
In other circumstance that the product temperature may
be raised by the incoming heat from the peripheral
Tw = Case temperature
devices and/or the connecting part, check the case
temperature Tw (refer left diagram), and control the
temperature Tw to be between +5 and +70℃ (in case of
L4) , +5 and +60℃ (in case of L5/L6) .
【Precaution on the inlet hole 】
The air flow taken in through inlet holes and vented out
through cooling fan enables this product cooled down.
Therefore, when installing the product to your system, do
not to block the inlet holes and the cooling fan.
Cooling fan
Cooling fan
Inlet hole
TM-XJ959A 39
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