Appendix B Accessories
 VFD-EL-W 
B-10 
 
B.4 Optional Fan Kit 
After  you  install  the  cooling  fan  to  the  VFD007EL21W(-1),  you  can  increase  the  ambient 
temperature of the operating environment up to 50°C without derating. If you choose not to install 
the cooling fan, the ambient temperature of the operating environment is only up to 40°C  without 
derating. The power supply of the cooling fan is 24V
DC. 
Internal power is applied from terminal +24V/ 
DCM.  Once  you  install  this  cooling  fan  on  the  motor  drive,  do  not  connect  any  other  external 
accessory  to  avoid  overload  on  terminal  +24V  which  will  damage  the  motor  drive.  Use  only 
terminals MI after your install the cooling fan. 
 
Cooling Fan Model 
Applicable Motor 
Drive 
Product Appearance 
MKEL-AFKM1  VFD007EL21W(-1) 
 
Note: the power cable of the cooling fan is about 150mm. 
 
Cooling Fan Installation 
1.  
Follow the direction of the arrow to remove 
the top cover. 
 
2. 
As shown in the image on the right, the 
direction pointed by the arrow on top of the 
cooling fan should face the heat sink. 
 
Fix the cooling fan and its grill by fastening 
screws on the heat sink. 
Positive pole of the cooling fan: Connect the 
red cable to terminal +24V. 
 
Negative pole of the cooling fan: Connect the 
black cable to terminal DCM.