Yaskawa Varispeed 626M5 - Manual (Page 36)

2.3 CLEARANCES
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2.3 CLEARANCES
Install the Inverter and Converter vertically and allow sufficient clearances for effective cooling as shown in
Fig. 2.9 and Fig. 2.10.
1. For the external dimensions and mounting dimensions, refer to 14.1.3 Dimensions.
2. Allowable intake air temperature to the Inverter and the Converter:
S Open chassis type : 0_C to +45_C (32_F to 113_F)
S External heatsink cooling type
Inside of heatsink : 0_C to +45_C (32_F to 113_F)
Inside of unit : 0_C to +55_C (32_F to 131_F)
3. Near the heatsink, cooling air speed should be 2.5 m/s for effective cooling (for external heatsink cooling).
2.3.1 External Heatsink Cooling Type
5 mm (0.20 inches)
or more
120 mm ( 4.72 inches)
or more
Converter Inverter
Max. 70 mm
(2.76 inches) Heatsink
(a) Front View (b) Side View
Air
Air
120 mm ( 4.72 inches)
or more
Fig 2.9 Installation Orientation and Space of Models with External Heatsink Cooling
2
IMPORTANT