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Emerson scroll condensing unit start up cycle 

Nor-Cal Refrigeration & H.V.A.C
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21 окт 2024

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Комментарии : 45   
@JCR6910
@JCR6910 8 лет назад
I believe it only does that after a power loss, not every time thermostat calls for cooling. It's a safety built in to the Emerson controller. I definitely scratched my head the first time I saw it a few years back. Appreciate your videos brother! Keep up the good work.
@hvacrjunky6119
@hvacrjunky6119 8 лет назад
I am glad you posted this video. If I did a start up on one of these then I would be stressing thinking that I made a mistake. 😎
@m0fr3sh90
@m0fr3sh90 4 года назад
Jeez your the man Dave just installed a freezer and encountered same thing and thought the low pressure transducer was wacky but noticed it did it everytime I cycled the disco. Thanks for sharing.
@SlackJones1
@SlackJones1 6 лет назад
I know nothing about a/c, but owned a rheem scroll condensing unit for 20 years. Worked like a dog all those years, with no problems. It finally blew up a couple days ago.
@tcphvacr9950
@tcphvacr9950 8 лет назад
Good to know, that's for sure. Trying to get management to change out a 25 year old Bohn water cooled system (R502), and was looking into the scroll, but they were 3 HP and up, and this is a 2 HP set up, so no dry heave for me! Thanks for posting, Dave.
@NorCal-refrigeration
@NorCal-refrigeration 8 лет назад
I think you can get them tom. It's a freezer right? It will be liquid injected scroll time. Neat stuff.
@steverosen8644
@steverosen8644 3 месяца назад
Do these units have fuses and if so where are they found? Thank you!
@philltafolla
@philltafolla 8 лет назад
Damn Dave I've installed 3 of those Copeland scroll's, so far and they all did the same thing they started fine after the 3rd time, and I've wanted to ask you if you were dealing with the same issue, but I guess I wasn't the only one!
@jonhvac
@jonhvac 8 лет назад
Good info Mr. Dave👍
@RobHVAC
@RobHVAC 8 лет назад
Great tip. Thanks for sharing
@meerscan9101
@meerscan9101 8 лет назад
always love to see california landscape/farmland, can you do more farmland in your vids?
@samsonleung989
@samsonleung989 2 года назад
Is it the first time it power up or every time it starts, Thankyou!
@NorCal-refrigeration
@NorCal-refrigeration 2 года назад
1st time after power.
@navjotsingh-lr6nn
@navjotsingh-lr6nn 11 месяцев назад
Hey sir , with what stick you brazed suction valve with copper pipe .
@NorCal-refrigeration
@NorCal-refrigeration 11 месяцев назад
amzn.to/3QzzcqO
@greggarcia9842
@greggarcia9842 2 года назад
Amigo I have a question hope you can reply im working with a similar condensing unit . New condensing for a walk inn cooler. Im using 407c what would be the right set up cut inn and cut out on the Emerson control. Right now they’re set at cut inn 65 and cut out 25 but I feel like compressor keeps shirty cycling
@NorCal-refrigeration
@NorCal-refrigeration 2 года назад
Is it on a pump down ( Tstat/solenoid)?
@hvac01453
@hvac01453 7 лет назад
I bumped into one of these today and Ill give you guys a heads-up... carry a black tarp to put over your head or you'll never see the display. Unless your inside or at night.....
@keithrichards6816
@keithrichards6816 8 лет назад
Thats good to know,thanks for the info.
@murrayreilly7607
@murrayreilly7607 8 лет назад
I have seen this feature on other units. The purpose is to reduce the crankcase pressure prior to starting. It is a safety feature to prevent damage from pumping liquid.
@NorCal-refrigeration
@NorCal-refrigeration 8 лет назад
Thanks for the info Murray, that makes perfect sense. 👍
@OcRefrig
@OcRefrig 8 лет назад
I guess it's cheaper than putting in a Suction accumulator. Those cheap bastards.
@murrayreilly7607
@murrayreilly7607 8 лет назад
+OcRefrigeration,Hvac & Electrical. It's also for the situation where there's a power outage and the crankcase heater hasn't been on. The unit could start up with liquid refrigerant in the compressor oil.
@polishtheturdmickelson5473
@polishtheturdmickelson5473 7 лет назад
Even cheaper would be to put a crankcase heater on the compressor.
@polishtheturdmickelson5473
@polishtheturdmickelson5473 7 лет назад
That unit didn't appear to have a crankcase heater. Manufactures think scrolls are so tough. No need for cch. Just as long as they never run in a vacuum they are bulletproof.
@WillieMakeit
@WillieMakeit Год назад
Thank you very much
@tazzman2288
@tazzman2288 8 лет назад
That's crazy shank what dose the factory say about that? Is the transducer cutting out the comp I know the controller has the ultimate say so but that's funky?
@NorCal-refrigeration
@NorCal-refrigeration 8 лет назад
That's the cycle on power up. I wanted to show it so people can see this is what they do at start up. The dry heave then run. Lol
@dennisnoone7427
@dennisnoone7427 8 лет назад
thanks for the tip
@hvactechpr7872
@hvactechpr7872 7 лет назад
good vid!!
@jimbola77
@jimbola77 8 лет назад
thank's for sharing!!!!
@ritewayguy
@ritewayguy 8 лет назад
Isn't there a notice of this startup procedure in the paperwork?
@NorCal-refrigeration
@NorCal-refrigeration 8 лет назад
I never read that stuff. Lol. It's in the vangina I'll have to see if says anything about start up cycle.
@NorCal-refrigeration
@NorCal-refrigeration 8 лет назад
There is nothing on the info that comes with unit about the start up cycle.
@ritewayguy
@ritewayguy 8 лет назад
+Nor-Cal Refrigeration & H.V.A.C Hey, thanks for the reply. Will try to remember that one.
@popsmccartney435
@popsmccartney435 8 лет назад
It does that every time it starts?
@NorCal-refrigeration
@NorCal-refrigeration 8 лет назад
Only the first time at power up. After every pump down it has a time delay then turns on.
@nunyabusiness6746
@nunyabusiness6746 5 лет назад
And what's the point ?
@rodneythornhill9526
@rodneythornhill9526 8 лет назад
a little 311 in the back ground
@NorCal-refrigeration
@NorCal-refrigeration 8 лет назад
Yep
@gurcanemekdurmus6975
@gurcanemekdurmus6975 6 лет назад
intervall condensing unit
@hvac01453
@hvac01453 7 лет назад
That should be stenciled on the unit.....
@hvac01453
@hvac01453 7 лет назад
what ever happened to dials and switches??? now you need to read a manual for everybody Gizmo....this gets old.
@OcRefrig
@OcRefrig 8 лет назад
Thanks for making this video ! I have not installed any of these type of scroll units yet, So thanks for the heads up. I Would think the Start up instructions would Mention this Weird unit start up scenario. Maybe if u can find the paperwork in the Vangina , that would make a good video of instruction paperwork Notifications.
@polishtheturdmickelson5473
@polishtheturdmickelson5473 7 лет назад
The Vangina has a lot of stories too tell. Some should not be shared, lol. But thanks for the video on that set up. I am commenting on a 9 month post. Beat me up in it.
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