Time Delay Relays Explained - How timing relays work hvacr

[@EngineeringMindset]

⚠️ *This video took a long time to make* if you would like to buy Paul a coffee to say thanks, link below: ☕ PayPal: www.paypal.me/TheEngineerinMindset Channel membership: kzbin.info/door/k0fGHsCEzGig-rSzkfCjMwjoin Patreon: www.patreon.com/theengineeringmindset

[@yelloweater5506]

In my mom’s office I noticed a component was installed to the ceiling, and I just realized that its tiny LEDs would turn on for a sec and as I counted it had a time delay of 12 seconds ( probably)

[@yelloweater5506]

And also I see that you almost turned analog signal of capacitor into digital by the transistor.

[@VideoStefan17]

writing this comment while the add is still running, i like your choice of fields you cover! one by one you explain all the stuff in detail and every question i still have left gets awnsered!! you rock man!!

[@EngineeringMindset]

Glad you enjoy it!

[@Nathan-dn2nq]

Yeah its so detail

[@michaeltarasenkoop2389]

For my final exam in my journeyman Final exam after six years of studying to get my electrical license! I built a time delay project from start to finish with all the bells and whistles! It worked thank goodness!

[@blitzblutz]

I am starting my refrigeration mechanic's apprenticeship and I am relying on your videos to help me along the way. Thank you!

[@prettycureforever7102]

Have you been to school?

[@blitzblutz]

Yup, And I wish I had these videos back then!

[@Adventures_with_Grant]

Can’t believe these videos are free!

[@Steven22453]

This same information would cost thousands of dollars at a university. This is one of the best channels on KZbin.

[@samrob5557]

I must say your videos are amazing, and easy to understand. I wish I had this when I was in college.

[@heatsingh2205]

I have been using time delays in controll panels to adjust the switch of timing when energized by a limit switch we use select timers heavy duty

[@vittoriopiaser9233]

Useful video, I’m an engineer in the industrial refrigeration industry and I have seen many of these but I’ve never known How these worked si far. Thanks

[@fatihsoy3443]

This is the best explanation i have ever seen. I am so happy to find this channel.

[@Elfnetdesigns]

Time delays are used in modern US locomotives to control the ditch light flasher when the horn button is pressed, these are usually integrated into the whole light system though, however older locomotives owned by shortline railroads retrofitted to FRA guidelines use separate control devices for flashing and delays rather than a whole new system. Another place where time delays and relays (namely solid state relays) are used is in communications tower beacon flasher circuits.

[@biglouie69]

I will put a time delay relay to delay starting of a vent fan until the duct damper has opened. Thanks for the clear explanation!

[@MandeepSingh-sq1wd]

Thanks for the video. This was very useful for me.

[@EngineeringMindset]

Glad it was helpful!

[@Richie_]

I was a machine setter and our rotary transfer machines had loads of relays. Wurth & Gruffat machines. I was a trainee at the time and didn't know much about them as the only one ever changed was the cycle time relay.

[@geetacreation5731]

YOUR EXPLANATION WAS ASOME 👌🏻👌🏻 Sir you do video about CD4017

[@Gomepez]

Thanks for the expanation! Im going to delay the power cut to my car radio after the ignition power is cut. Music can keep playing for 10-15 seconds after shutoff so I can walk away in style.

[@coldfinger459sub0]

Excellent presentation and gradual increase in knowledge how every component interact with each other. This kind of knowledge used to be taught in middle school electronica class. Nowadays a student has to elect to take a electronics class in college by choice to get this knowledge.

[@EngineeringMindset]

Glad it was helpful!

[@allmightjunior6917]

This circuit is brilliant, thanks for the video

[@SDHVAC]

Great video. With awesm. Explanation .u r awesm. Dear. M from. India salauddin khan

[@EngineeringMindset]

Thank you, do you know we also have a Hindi channel? kzbin.info/door/g4k338hz9U8jnD5SXPO5jQ

[@jeffreyhueseman7061]

I've seen these used in control panels for hospitals for preventing short-cycling of equipment as minimum run timers, stagger the starting of equipment to prevent excessive current draw, allow equipment to switch to auxiliary power after the generator gets up to operating speed and to keep sensitive equipment from tripping alarms.

[@EngineeringMindset]

Nice information

[@OlympusHeavyCavalry]

I have seen these in an operational and maintenance capacity at Water/Sewerage Pumping Stations within their Cupboards/Closets and at Power Distribution Rooms for WTPs and WWTPs for various MOs.

[@davidmoran4471]

A company where I worked built a training simulator for a ship console. This required several industrial computers to control the console, the switching power supplies of the computers act as a direct short, momentarily, so a number of delay relays were utilized to sequence the computers startup.

[@manzarazam8661]

Wonderfull..God bless U. I was unable to understsnd Z diode before.

[@kunalkashyap5807]

Hi Paul thanks for video

[@EngineeringMindset]

Thanks for watching!

[@GrumpyLantern]

I've had to set up time delays for security access so the building is open during a certain time frame for the employees to all get in and then the card access kicks in after a designated time.

[@EngineeringMindset]

Nice use of relay

[@TELEControlsInc]

That's a very common application, well done!!

[@KirstyTube]

Very good video ! Out PIR activated security lights use a time delay relay.

[@EngineeringMindset]

Sure do, well spotted

[@rossgorman2198]

excellent video, I have used timer for exterior heating

[@samuelhepburn2636]

Excellent, just Excellent,thank you.....

[@atsimas]

I'd like you to cover variable time relays, also.

[@bwh6163]

Hey u ar the best👍👌

[@chandandey5770]

You are great sir👍

[@safdarkt1]

I m ATS installer and I use 2 sec veriable timer for natural gas power generators that push solinoid gas volve before self start.

[@TELEControlsInc]

That's a brilliant application, hope they are #TELE timers :D

[@wikusrautenbach4302]

It is used in vehicles as well, for, heater plugs on diesel, Ign-off on vehicle after set time goes to "sleep", dash board or acc lighting switches off after set time, & so on

[@RobertL78]

We use these for controlling star/delta starters as well as controlling condensation dumps on compressor intercoolers for how often they open and for how long.

[@noelswai4913]

Super understandable explanations... better than scott.

[@kristianbarrett7215]

Brilliant video thank you 👍

[@EngineeringMindset]

Glad you enjoyed it

[@charlesdlamini8126]

Thanks well explained than what i learned at college

[@kevin00861]

amazingly explained !

[@sakibthakor897]

Amazing bro plzz make videos on smd device

[@pakitech3413]

Amazing video sire. ❤️

[@thutzperez3379]

Great explanations.. Good job.. Salute👏👏🤝🤝

[@josephshaff5194]

Paul Please ! What are Pull Up / Pull Down Resistors how do they work ? What's the flow of electricity through them ? Thanks! If you do a vid on it. GOD BLESS YA! gawd I wish we had this 20 yrs ago! I'll thank ya when I'm back to work.

[@EngineeringMindset]

Check out NEW resistor video, everything covered! ➡️ kzbin.info/www/bejne/eorGfXl-nLt2pJI

[@ricardorojas8133]

Deberías hacer tus vídeos en español. Nos ayudarías mucho, eres en crack. Saludos desde México

[@MaxPowerElectric]

Would love to see communications as a future topic...telephone, cable, ethernet, fiber optic, radio, cell phones, wifi, electromagnetic spectrum etc. I feel I know a ton about more traditional circuits but when it comes to signals and transmitting information it all seems so mysterious to me...

[@prabalchoudhary6864]

Comment down brother, when he upload videos on these topic

[@Elfnetdesigns]

Namely non ham radio comms too but rather the more commercial types

[@tralala4176]

M. Po qp jo zk 0:(

[@SHIVSHANK]

Yess

[@femboyelectronics6441]

yes

[@kluisx6417]

your videos are amazing

[@MaxPowerElectric]

Since you did a few automotive videos recently-- are time delay relays used in cars to control interior lighting? (ie. lights turn on when doors are opened, but turn off after a period of time)

[@EngineeringMindset]

Yes, that's a good idea they could be used

[@Echo51]

It can be, but generally it's all done electronically with a programmable timer in the body control module

[@makcimenuka7904]

Amazing. Thank you.

[@Durga189]

Great effort

[@Holler_Rat]

I have a compressor that I’d like to run for a brief period of time, but I don’t want to have it powered constantly- I think these would be great for my needs.

[@TELEControlsInc]

Hi James, check this out: www.tele-online.com/en/produkt/e3zi20-12-240vac-dc/ This item makes sure that your compressor is running for e.g. 5hrs and then pauses for one. Commonly used to cyclically get rid of vaporized water in the compressor system

[@highminded5569]

DIY Mini inverter try Pannanuga bro

[@dreamyrhodes]

pls make a video about the 555.

[@ecoeycho390]

wow.. amazing.. thanks for this.. 👍

[@michaelathens953]

Does the DW01 on a TP4056 module count? If so that's definitely my favorite; cutting power above 4.2 volts or below 2.8 automatically is just stupid crazy useful.

[@heatsingh2205]

Please teach me whole electronics I'll pay you any amount awesome content

[@philochristos]

I have a time delay relay on my air conditioner blower motor where most people have a board with a relay. I need to find a replacement for it, but it's really old.

[@fakrulislam5404]

thanks a lot.

[@TheUnknownCatWarrior]

Premium level content: can you make your own units with the 555 timer and other complementary components?

[@larrybud]

Yes, take a look at the data sheet for the 555. Pretty simple to hook up.

[@anamikadas5818]

I think it can be used to make an LED on of off alternately

[@ketanmorajker]

*DAMM AMAZING VIDEO 🤗👌🏻*

[@EngineeringMindset]

Glad you liked it!!

[@mr.sayemsirmr.sayemsir9302]

Good

[@Mr.smarter]

Nice

[@gandalf87264]

You asked for an example? Star Delta motor starter motor starter comes to mind.

[@skoylux]

Yes, this principal circuits works for many years. But, calendars show 2022. For digital age, this topic can be achieved simple microcontrollers, such as pic10f200.

[@sufyanparkar9790]

You're the Best

[@dojob8204]

I saw many on motor's control panels

[@techware5701]

Hello. Please how do we design complex relay delay circuits that: • Instantly switches OFF a relay immediately the relay coil is energized, waits for a few seconds (while the relay coil is still energized), then switches the relay ON again, and remains ON till the relay coil is disenergized (by maybe annual switch)? AND • Instantly switches ON a relay immediately the relay coil is energized, waits for a few seconds (while the relay coil is still energized), then switches the relay OFF again, and remains OFF till the relay coil is disenergized (by maybe annual switch)? Please, it would be really helpful if you could make a video on how to build circuits like this. Thanks

[@italianstallion6929]

11:01 In this example, does an increase in capacitance for the capacitor lead to an increased amount of time before the light is electrified?

[@wzpu3283]

Yes, I think you are correct.

[@techware5701]

Hello. Please how do we design complex relay delay circuits that: • Instantly switches OFF a relay immediately the relay coil is energized, waits for a few seconds (while the relay coil is still energized), then switches the relay ON again, and remains ON till the relay coil is disenergized (by maybe annual switch)? AND • Instantly switches ON a relay immediately the relay coil is energized, waits for a few seconds (while the relay coil is still energized), then switches the relay OFF again, and remains OFF till the relay coil is disenergized (by maybe annual switch)? Please, it would be really helpful if you could make a video on youtube on how to build a circuit like this. Thanks

[@larrybud]

Would like to have seen one more step in the video, showing how the circuit would be set up to automatically toggle between open and closed.

[@EngineeringMindset]

Seen our new Transformer video? here kzbin.info/www/bejne/oJS8ZYSEbMaqe8U

[@khaledalaryani776]

Seen them in irrigation controllers

[@balajigunjurge3864]

Bro Make videos on Microcontrollers

[@alializadeh8195]

Thanx

[@kapsshorts2694]

Thank

[@ethangreenyt]

4:40 ELEVATORS (I found this out by there is this one room at my school anf in a building when the elevator gets called and stuff there is a lot of clicking noise coming from it and I saw videos about it too)

[@philochristos]

This is like an electrical Rube Goldberg machine.

[@ulisesbriones7933]

Hello, what kind of relay you recomend to turn a light on every 15 minutes for a period of 5 seconds? Thanks

[@shafayethossain131]

I want to make an automated baord where i will test 6 mosfets to check whether they trigger in high current, high voltage and low voltage. I have a device that gets powered up through these mosfets. So for maintaing my device quality i need to check the switches whether they are perfectly triggering or not? I want to run the test for 6 switches together. Is it possible?

[@EngineeringMindset]

See my new MOSFET explained video here➡️: kzbin.info/www/bejne/d6i1e6awmsRso5Y

[@zhiweiluo4189]

good

[@imtrue2132]

Capacitor based relay in the shower, the fan stops after a while after the lights are turned off.

[@adrianmutsune533]

Awesome

[@EngineeringMindset]

Thanks, Adrian

[@pranavjs]

Can we use time delay to turn on a fan,controllable throuh remote control ,which won't automatically turn on after a power cut?

[@caffeinatedinsanity2324]

Timing relays are often used in HVAC. Here where I work, I often see them being used for operations like bypassing a freezestat for a short amount of time, the time a unit typically takes to warm up. I also often see them in wired logic for resetting things like freezestats and pressure switches from a command via an operator station.

[@yottawatts9470]

At 8:43 would the power source continually charge the capacitor keeping the circuit closed indefinitely? Would there need to be a switch to remove the capacitor from the circuit after it was charged? (e: The path was shown in conventional which threw me off a bit, but there is still a main path through the circuit to charge the capacitor, perhaps it discharges faster than it charges causing voltage to drop below the setpoint needed which would be the timer.)

[@saravanasweet7310]

Bro make video on how do gates (AND ,OR ,NOT ...) works🇮🇳🇮🇳🇮🇳

[@96thelycan]

Spending 3+ hrs troubleshooting a pedestrian gate entry into a residential area just to find the digital time relay reset to 0 and nothing was actually shorting or broken

[@iss-hogaishamu5862]

Hey, can you do how a dc motor controller works pliz... Thanx. Love your videos.

[@nameless5r]

How do you differentiate a relay from a contactor

[@TELEControlsInc]

Switching capacity and also the load ratings :)

[@prateeksingh3697]

When will you make a video on deep cycle batteries

[@StrangerHappened]

Thanks but what if the voltage spike will blow up the capacitor @11:14? Then the equipment is still not safe. This means that only specific types of capacitors can be used.

[@EngineeringMindset]

Yes, we can add additional safety features, arc protection etc.

[@alionaliin2640]

I didnt get the purpose of doing last circuit, I mean what will the delay help to achieve Can you please give a quick explanation?

[@zawilious]

Does this method work with AC triggered relay instead of DC relay ?

[@wehaveasaying]

Turn signals

[@StigDesign]

with your quality videos you only need a teacher when wants to ask questions hehe :D is it true that in industrial ussaged Relays/timed Relays and pls are more often used since they are more stabel to work for long time rather than let say arduino etc? in lov dc i can se arduino maby be used more easy with programming on leds but if using 120 or 240v ac then relay&timed Relay is better and also pls :D tip for a video: electrical resistance VS Heat Resistance like in wiring cpu cooler etc, only thing ihave grapsed is that whats makes a cettle/water heater not to short-circuit is that it used special mettal Wolframe steel?

[@Prof_gLX]

Pretty sure arduino isn't rated for industrial use. Anyways a modular design with relays and time delays is easy to troubleshoot and components are easy to replace. Replacing an arduino and it's programmation would be terribly ineficient. Also, what's the most inputs/outputs possible on arduino, I'm not that familiar? On a modular PLC you can mix inputs and output types and voltages, have multiple analog input/ouput cards, and have plenty of different functions pre-programmed and usable in a ladder schematic program, which is, once again, pretty easy to troubleshoot for anyone who knows what they're doing.

[@thelz7909]

In industrial usage related to automation, PLCs are a lot more common that time delay relays and hardly anyone would use an Arduino. Not that a microcontroller couldn't be made to work but in the real working world (i.e., as compared to the educational environment) an engineer rarely has the time to customize anything and can actually get in quite a lot of trouble with their employer if they don't choose the most efficient method of solving a problem. Most problems have more than one possible solution. I do still see TDRs used in electrical (power) control circuits.

[@StigDesign]

@@thelz7909 Oh i see, thank you for the info :D

[@Prof_gLX]

@@thelz7909 I totally agree. I still see TDRs in small uncomplicated control circuits and in older factories, where the mentality is "if it works, don't replace it".

[@EngineeringMindset]

PLC video now live: kzbin.info/www/bejne/q4DXlYp-grCbpNk

[@karloaldrichpimentel866]

Does this work on DC applications? And does this work with a sensor as a trigger?

[@angelobryan4699]

In the automotive industry

[@xerwinxpl]

11:06 this is polarized capacitor , but normal this circuit is used in AC

[@dougsteere6814]

I would like to delay a to come on after someone breaks into my house to get a good picture of the person is it possible to make one thank you

[@LTVoyager]

Your graphic label is incorrect. Conventional current is the flow of positive charges, not electrons.

[@khem428]

wowww 👌👌👌👌👌👌

[@shaymapervin3902]

Sir plz make a video on circuit breaker

[@EngineeringMindset]

Coming soon

[@shaymapervin3902]

Thank you ☺☺

[@EngineeringMindset]

Seen our new incredibly detailed MCB video? link: kzbin.info/www/bejne/naKopmyqba2qjZI

[@WendyGameing]

I wanna make a toy gun, where I apply a red LED into the barrel, pull the trigger what is a NO button so the gun makes a sound and lights up the LED for like half a second. But I want it "semi auto" so even if i hold the switch button the RED light will be triggered only for half a second. On top of it is a toy gun, so I'll use 3xAA battery (4.5V) to power the whole circuit up. It's hard to find anything what fits into that size and does this xD