Mitsubishi Q172CPU User Manual page 119

2 SYSTEM CONFIGURATION
(3) In point of the layout design within the control panel
Leave 50mm (1.97inch) or more clearance between the top of the modules and
structures or parts.
Cooling fan unit
(Q170FAN)
Top of panel or wiring duct
The wind blows lies
2 - 100
50mm
(1.97inch) min.