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#29801 - 08/21/20 08:18 AM 1920 Otis Prints  
Joined: Jul 2014
Posts: 3
ProfBldg Offline
stranger
ProfBldg  Offline
stranger

Joined: Jul 2014
Posts: 3
Looking for 1920 Otis elevator prints. Have tried the Otis archives with my controller numbers, but the prints are not correct. If anyone has knowledge how the controller works,that would be a big help.
Thanks

#29822 - 08/26/20 11:55 PM Re: 1920 Otis Prints [Re: ProfBldg]  
Joined: Feb 2013
Posts: 595
john jay Offline
addict
john jay  Offline
addict

Joined: Feb 2013
Posts: 595
ohio
what is the number on the controller?

#30027 - 10/08/20 02:27 AM Re: 1920 Otis Prints [Re: ProfBldg]  
Joined: Jan 2012
Posts: 859
jkh Offline
4 Ever Learning.
jkh  Offline
4 Ever Learning.

Joined: Jan 2012
Posts: 859
In that era of Otis elevator there are many different versions of controllers I have information on.

The 3F, 3FA, 3FD, HK, HKB are DC resistance controllers

The 21ANS, 21ANAS 31ANS and 31ANAS AC/DC controllers which may have come with a 11NAM or 11ANAM micro controller

And the list goes on!

As JohnJay said “what is the number of the controller?”

If you would like send me a PM, I would be glad to speak with a mechanic from your elevator service Company.

JKH


Make good choices,

JKH

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