OLD LIFT CONTROL CABINET - and what is the mystery motor?

Back to the old Schindler lift motor room - this time we work through the Floor Selector and the Control Cabinet!
Many thanks to Pete Lomas (ex-Express Lifts engr) and Tony Baines for your help.
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Links:
THE 'MYSTERY MOTOR' VIDEO: • PHASE LOSS/REVERSAL - ...
SCHINDLER WHEEL SELECTOR: • The SCHINDLER WHEEL SE...
HARRIHEALEY02 channel: / @harrisonhealey1679
Coming soon:
SCHINLDER WHEEL VIDEO 2, explaining the rotary 'dial' circuitry - it's quite interesting!!
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THE MRMATTANDMRCHAY CHANNEL, established 2008:
I'm passionate about uploading quality and interesting videos for YOU, my audience.
What is my channel about? "Old lift machinery made interesting", old air-raid sirens, prehistoric alarm equipment. If "I" don't find it interesting ...then IT DOESN'T GET UPLOADED!
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This channel does not promote dangerous activities such as lift surfing.

[@texfax]

This kind of bottle fuses is the one that was standard in each and every house in Switzerland till the advent of automatic circuit breakers. Being Schindler a Swiss company, probably they built the cabinet in Switzerland with the materials available there. You don't replace the wire, you replace the whole ceramic bottle with the wire inside.

[@daicekube]

Standard in Sweden as well and some households still have them. That little end cap wasn't (Isn't?) plastic but metal and painted in a colour matching the current like 4 amps or 6 the fuse would pass. Also, the "bottle neck" came in at least two different sizes depending on the current. You couldn't put a 20A fuse in a 6A slot. It would be too big even though the bottle was the same size. Fuses filled with fine sand to prevent plasma discharge.

[@Ragnar8504]

@@daicekube The system is called Diazed, a terrible German acronym for "Diametral abgestufter, zweiteiliger Edison-Schraubstöpsel", which loosely translates into "diametre-coded two-piece Edison screw plug" and was invented by Siemens in 1909. It spread quickly across most of continental Europe except France and Belgium because it was considerably more practical than most other systems in use at that time. Technically they're cartridge fuses, not rewireable like the old Wylex ones in the UK. There are six sizes, DI to DV plus the additional DL invented after WWII in eastern Germany. DII (2-25 amps) and DIII (35-63 amps) are by far the most common types, DIV (80-100 amp I think) and DV (up to 200 amps) are quite rare and DI I've only ever seen in Ireland. The smaller sizes (DII and DIII) use Edison screw bases, the larger ones are imperial Whitworth threads. Expect for sizes 6 amps and smaller, the tip diametre corresponds to the fuse size so it's impossible to use larger fuses than intended by the manufacturer, that's the "diametre-coded" part of the name. Each size has a unique colour seen both on the indicator and the key screw in the base. 2 amp = pink, 4 amp = brown, 6 amp = green, 10 amp = red, 16 amp = grey, 20 amp = blue, 25 amp = yellow, etc. These fuses were reasonably popular until they were all but replaced by MCBs in most applications. In the 1960s Siemens developed the smaller Neozed or D0 system, which only goes up to 63 amps. D0 fuses are still fairly common as main fuses in various places. Perhaps the biggest advantage of bottle fuses over rewirable fuses is that they can be unscrewed under load and even replaced with a short present without too much risk of injury. I've shorted Neozed fuses dead across two phases (pinched wire in a consumer unit) and didn't hear as much as a pop when they went.

[@simeonminkov6058]

bottle fuses are really common in Bulgaria and we even have automatic versions for the same holders

[@andreasstrom6391]

My bet for the floating outer roller is a floorzone contact. Because the lift has automatic doors you have two seperate signals that give permission to open the cabin doors only within the doorzone (+-200mm) from the actual floor position.

[@KJ7BZC]

Rather interesting motor contraption there, cant wait to find out why! Also those old relay logic controllers are really awesome.

[@henrybowden9907]

Fascinating! I served my apprenticeship with Otis between 1972 and 1976 and we tended to regard Schindler lifts as the Rolls-Royce of lifts. I don't know if that was really the case but that was how we saw them. Unfortunately I never got the chance to look in the motor room of a Schindler lift so this video was an eye opener. Sadly I have no idea what that small motor in the controller was for.

[@ZZ9ProductionsOFFICIAL]

so much to see in that cabinet! Also seeing all of those old parts littered about the room was really odd, i wonder if at some point water got into one of the cabinets and most of the components had to be replaced?

[@DatamasterCorporation]

Very cool to still see HarryHeaealy02 around, one of the first youtubers I watched

[@mrmattandmrchay]

I'm sure he'll be very happy with this comment! I've known Harri since he was about 12 years old! A long long time ago!

[@DatamasterCorporation]

@@mrmattandmrchay Yeah! Hard to believe how long ago that was now. I do miss his videos a lot, they were a staple of the beginning of my interest in Elevators. Yours and his. Always thought it was interesting to see the difference in Elevators in North America and here.

[@alancamilleri]

In the 60's Italians used that selector wheel quite common

[@julianpiper240]

11:11 When levelling, i imagine they are using an "open delta" connected set of windings on a transformer to reduce the voltage applied to the motor's windings, dropping the torque output of the motor. This will of course reduce the speed of the motor. I would think the motor attached to the back of the main motor is a fan? Maybe a Dynamic Brake? (DC Supplied to windings via that selenium rectifier you mentioned)

[@misterwint]

Great video. Very informative! Thanks for all the work you put into your channel.

[@mrmattandmrchay]

Cool... glad you like them and thanks

[@MichalM]

15:50 Recommend clean down! 😂

[@joris3842]

Very, very informative and well made video! Just outstanding! Thanks for posting and I'm looking forward for more :-)

[@hariranormal5584]

15:48 WOW SUCH A OLD RECORD BOOK. LOL, that engineer "UGH. WHAT A MESS" xDDDD

[@bjorn-7744]

Amazing, thanks for your hard work on all these videos!

[@mrmattandmrchay]

cool, thanks! Glad you like them :)

[@firestorm9209]

Waits pationtly for the next video with more action of these cool lifts. Best Regards from germany!

[@mrmattandmrchay]

Thank you very much!

[@ag6371]

1:56 Best motor startup ever!

[@agems56]

I really like the bullet proof design of relay switched logistics! I love listening to all of the clicking sound when an elevator is first engaged! And cable lifts are generally much faster than the hydraulic like lifts!

[@nicolamarini]

19:02 ... that was a way to make a soft landing at the right floor. And it works in both direction.

[@agems56]

That strip of metal with the slots could have been a way for an electric eye to see dim light as the slots are far apart, and gets brighter as the slots passed the eye where the slots are closer, away to put more power to whatever it was controlling, maybe for a door motor to anticipate when the door was in the near closed or open positions so that the door closes gently near the end of travel or near the end of travel in the open position!

[@PracticalCat]

The only thing I can imagine that motor/actuator arrangement is doing is some sort of threshold devise. I.e. when the motor gets more current it's torque increases and finally "pops" the switch. So it only actuates when there is a high load. Maybe it's an old door obstruction detector? Just my guess! Awesome video:)

[@aprilkolwey4779]

It's just a reverse phase relay - it's a 3-phase motor designed to survive being stalled, and it's holding the switch down. If any of the 3 incoming power phases are lost or the rotation is wrong, the motor lets go of the switch and the whole thing stops. Rather common things but they don't normally look quite like that.

[@allmycircuits8850]

From that little 'teaser' of mystery motor video, I presume it is protection from wrong phase order. If phases are correct, it goes down keeping button pushed, but if they are in wrong order, it goes up and breaks the circuit or even replaces 'up' and 'down' contactors so it works right at any phase order :) Because without electronics available, it could easily be the simplest solution to detect phase order.

[@ArthursLiftAdventures]

Amazing, and so interesting

[@mrmattandmrchay]

Cool, thanks Luke!

[@ArthursLiftAdventures]

mrmattandmrchay No problem!

[@Egress.]

ah I think i understand what the cabinet motor is there for. it prevents "single phasing" which is what would happen if one of the 3 power phases was interrupted. it probably is sent a very low current, only enough to keep the button pressed. in the event a phase drops the motor can no longer apply force and the button pops up, and tada no more lift.

[@hariranormal5584]

That Motor Start, and motor run relay runs so beautifully haha

[@Lift.Tracker]

Great premiere! I suppose they haven't changed the way the chat works then LOL!

[@mrmattandmrchay]

Yeah... just got in the ""if it doesn't end then I'd feel bad about ending it myself" and a split second later it ended!

[@yap65]

Working with schindler AC 2, relay controller but never come across with motor at cabinet, we have phase relay at cabinet.

[@CrazyPlayer-pf2hv]

NICE

[@robertgibson8820]

The motor, in the panel I think is to detect phase reversal Robert Gibson ex ECM LIFT MAKERS

[@CrazyPlayer-pf2hv]

@@robertgibson8820 Yes he said that.

[@denistheelevatormaster]

I like your videos!!!!

[@idl3k_elev]

Excellent video as always, very detailed and entertaining! Those unused old button panels look interesting enough to be in my private collection lol :D Those bottle fuses used to be common in many households in my homeland (Indonesia) before the arrival of modern day circuit breakers, and they can still be found today in some old households. Last time I saw them was in my great grandmother's house in Central Java, and that house is so old that it dates back to the colonial days.

[@bread_cat__]

sorry i was not at this live :(

[@mima85]

Maybe the thing with slots is a part of an optical device used for leveling the car to the floors when it stops?

[@mrmattandmrchay]

Yep, you agree with me then ;) Must be something on top of the lift car which we haven't seen

[@liftguy30wellington45]

Many of these lifts also had two centrifugal switches on the gearbox end of the motor shaft to aid soft starting and prevent overspeed, the earlier models had rotary mechanical clock timers, not many left now or people that know how to fix them

[@mrmattandmrchay]

oh yes!! I think I've seen a video (can't remember who uploaded it now) where I think they show this mechanical device. The whole thing rotates and operates what looks like a piston (or the piston does the rotating - can't remember). But basically the whole thing does a rotation then resets. Wish I could find it again.

[@alancamilleri]

The resistors are for starting motor to correct the current set of 3 and other 3 used during slow speed

[@mrmattandmrchay]

thanks! I realised this only after the video :) Thanks for the info

[@abpsd73]

Motor in the cabinet is for phase failure/rotation switch?

[@vrryan6]

I was there at the premiere i just did not comment @mrmattandmrchay

[@michaelweidmann266]

rju contactor for Revision Ru 1 is breakmotor left Side Ru 2 is breakmotor right side RR is start contactor Rv control contactor ( from door) Lift Motor right and left is UA ( Six contacts for the brake)

[@mrmattandmrchay]

Interesting, thanks. Very difficult to work out what those relays do, without some kind of chart!

[@michaelweidmann266]

@@mrmattandmrchay I practically grew up with the systems and had many of those where I started at schindler. The troubleshooting of the systems was a big challenge for me at the time, but I was always happy when I found the error :)

[@stephenhunter70]

Did or does the building have a basement?

[@dominicarceo9637]

What the model of this lift is called? Also do you like Schindler Mobile lift? It is a MRL (Machine Room Less) lift made by Schindler. Unlike any MRLs the motor is located under the lift car. It is rare to find one.

[@alancamilleri]

It's sort of overload safety motor

[@mrmattandmrchay]

Great guess, but not right! See video uploading tomorrow!

[@OLIBAHN475]

Top, ich gerne Schaltplan copymachen.. ich mag gerne Schaltwerk

[@ag6371]

1:56 Why does the motor sometimes takes long to start up and sometimes starts up quickly as in 10:51?

[@Lift.Tracker]

I’d say it’s because of the direction of travel. If the lift is empty, when it goes up it will be much easier for the lift to start because of the counterweight helping to pull it up. When the lift is empty and is going down, the motor is using its energy to lift the counterweight which makes it struggle a bit. You can see in those 2 clips that the selector wheel is spinning in the opposite direction. :-)

[@alancamilleri]

If it's a two speed the other is slow down before stopping

[@julianpiper240]

Motor looks like a phase failure / phase reversal "relay".

[@brunoais]

Where is part 3? Or... Is there a part 3? I thought there was one also explaining the wheel (besides the behind the door with harri @ kzbin.info/www/bejne/hWqUpZWPbdWJgJI). was it forgotten in "Coming soon"? Is it still Coming soon or just moved on?

[@user-ut4ft6wx1r]

This motor is phase loose mechanism