We have an older MCC and need to replace the AHD1 fan speed controller. I understand it will be service affecting. Any thoughts on how long the cabinet will be down for this work?
power down the cabinet
remove fan from left front
screw holds ahd1 to left wall of fan assembly housing
remove screw, lift up on ahd1 and remove from socket.
replace ahd1 into socket, place screw and tighten.
power up.
MCC if PPN cabinet will be down 10 minutes, if EPN MCC cabinet, down about 2 minutes.
A great teacher, does not provide answers, but methods to teach others "How and where to find the answers"
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.