YASKAWA JEPMC-BU3301-E Instruction Manual page 17

Control Panels with Forced-air Cooling
For either of the following methods, install a fan near the center of and at
the top or bottom of the MP3300.
• Forced draft method (A fan or a similar device is used to circulate the air
in the interior and the exterior of the panel.)
• Forced circulation method (A fan or a similar device is mounted to the
airtight panel to circulate the air inside.)
1. Use the following guideline when selecting the fan:
• 80 × 80 mm min., Maximum air flow: 0.9 m
mum static pressure: 26.5 Pa or higher
Note
2. Adjust the fan installation location and the direction of air
flow as shown in the following diagram.
Approx.
40 mm
10 mm
min.*
Approx.
40 mm
* For a control panel with natural cooling and any Base unit except for the
JEPMC-BU3304-E Base Unit: 30 mm min.
Direction
Fan
of air flow
40 mm min.
40 mm min.
Direction
of air flow
Fan
10 mm
min.*
2 Installation
3
/min, Maxi-
E-15