Yaskawa V1000 Finless Type - Manual (Page 9)

3 Conditions of Acceptability
YASKAWA ELECTRIC TOBP C710606 21E YASKAWA AC Drive - V1000 Finless Installation Guide 9
Figure 2
Figure 3 Output of Heatsink Plate Temperature by Analog Output
Note: 1. Accuracy of the temperature reading may vary ±5 ºC between 50 and 100 ºC.
2. The heatsink temperature is affected by the ambient temperature. Never exceed the allowable maximum
heatsink plate temperature.
■ Drive Overheat Alarm (oH)
Use parameter L8-02 to cause the drive output an alarm when the heatsink plate exceeds the
specified temperature.
L8-03 determines the action taken by the drive when an oH alarm is triggered. Refer to the
V1000 Technical Manual for more details.
◆
Installation to Metallic Surface
The mating surface shall have the following properties:
• Surface flatness shall not exceed 0.2 mm across the entire mating surface.
• Surface roughness shall not exceed 25 S.
Note: A surface roughness of 25 S means “Ra” (average roughness) is not greater than 6.3 a and “Ry”
(maximum peak) is not greater than 25 μm.
◆
Thermal Compound
Apply a thermal compound between the heatsink plate and the mating surface. The thermal
compound assists in drive heat dissipation.
Yaskawa recommends the thermal compounds in
Table 2 .
0
Output Voltage㧔V㧕
10.0
9.0
5.0
90 50 100 Temperature（°C）