Sequencer Facts - They Aren’t All The Same

Kaleb is back with a Sequencer Facts - They Aren’t All The Same video.
Read all the tech tips, take the quizzes
and find our handy calculators at www.hvacrschool.com/

[@jeffb8437]

A well sequenced video about the sequence of sequencers!

[@southtexasprepper6605]

Wow, i did not know this about the sequencers, you learn something everyday.

[@evaristosalazar9169]

A (first stage) sequencer is called a FAN sequencer and a (second stage) sequencer is called a heat sequencer

[@HsingSun]

Than you for your a little more detail. So, the first one (top) is controlled the fan, right?

[@jericosha2842]

thanks for this, I really appreciate the careful details like this. will save me a headache in the field. Love and respect!

[@HVACS]

Glad it was helpful!

[@Paul8259]

When you have a two element furnace or 'Heat Pump' (both are coils, an inductive/resistive load) if both see 220VAC at the same time the mains could see up to 14 X the running current. So the idea is to prevent both being energized at the same instant causing a possible breaker overload. I tested my 2 Stage and both stages close at once and go open close together. I have a 200 Amp panel so no issue except a power spike I would rather avoid. The blower fan is only on a 24 Vac relay -- so I control its speed (CFM) with an external VFD device.

[@j.r.1223]

Cool. Like the OL on/in some compressors. Or a basic version of a sequencer

[@hozerhvac4406]

Just learned something. Thank you

[@user-mr8uv6ue4h]

Very educational video Where should I wire my slow speed fan?

[@bikerbobcat]

Going in to "Angry at Heat Pumps Season" this is very useful, thank you.

[@HVACS]

Glad it helped

[@KDR-ql4td]

Good lesson

[@ALLin-one1]

Fantastic big thumb from all the way somalia

[@philochristos]

Is there a difference between a sequencer and a time delay relay?

[@HsingSun]

Thank you very much for your video. My Sequencer PN# is 14HS22 H24V 305886 (4/5 H1-15 C45-100, 1/3 H20-45 C1-30) which is very close to the one on this video. Question 1: Where can I buy a new Sequencer? Can I replace the same one (305858) you have on this video? Question 2: Is the Sequencer related to fan cooling system?

[@namskramskram6009]

What happens if you mix two different ones? Anything bad or is the timing of the sequence just slightly off?

[@akkinojohnsoncaribbeanac1980]

Good information sir 👍

[@HVACS]

Thanks and welcome

[@thefreshride1510]

May you activate the cc? please

[@smacleod69]

can here the beep on the meter becasue of the music. So tha didn't tell me nothing!

[@eva_in_the_rain]

You didn't show the sequencer coming on and off. You just showed yourself testing it w/ your leads w/out the results.

[@frankshiffer588]

Quit shaking the device, it is impossible to see the device you are showing. Also, when you go to test I know what leads are, perhaps considering showing the testers readings and settings.

[@ragextico]

I still don’t get it. I’m gonna fail

[@Justarandomspacemonkey]

I hate sequencers