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Thank you for correcting my ineptness!

Freonguy CM

Thanks for the heads up - If a Moderator wants to move it - no problem!

Freonguy

Just a flyer here -

I have a NIB York E Prom Chip - Part # 031 00928 001 that I have had kicking around - it was from a York Recip Chiller and as I recall was worth a few bucks - for the price...

I guess what I am saying, before you try to get the DS to properly control the humidity in any mode, DO YOU HAVE A PROPER vapor barrier??

Read ICOM manual, 3.7.2 of the Humidity Sensor Reading...

It doesn't matter where and what the DH ' styles ' are selected - crappy vapor barrier, nothing can catch up.

I can't answer why the DH goes off at the 60 range, but what tells me a lot is the...

Techie:

A bit sparse on info, but the humidity problems I see usually stem from poor to no vapor barrier.

The only true Data Centre I worked in was double vapor barrier(ed ), air lock double...

Looks normal to me - ' seamed ' pipe will split like that - -

Do what HVAC_Marc says - call it a day.

Freonguy

Greetings:

We have a RITTAL TOPTHERM spot cooler ( M/N # SK3384500 )air cooled A/C that was installed about a year ago.
It replaced a similar unit that was over 12 years old - I was not involved...

Like Doublebogey said - recover it into a tank with some integrity - a butt joint, soft solder assembly on the side of a can is asking for trouble.

I have silver soldered the copper ' saddle '...

LU91tech:

Yes, this is a new version compared to 2 others I commissioned less than 6 months ago - - -

Freonguy CM

Push It :

Yeah, it throws a guy for a loop, especially when you have worked on so many that were all the same ( in the pump down regard ).

After a long and hot installation, one system has no...

Gentle(persons):

Just got off the phone with Liebert - Tech Support.

Seems as though the ' pump down ' mode has been disabled for about a year or so, scrolls or Carlyle - I suppose they should...

Six:
As noted, AFTER 20 minutes of running, it still dumps the compressor immediately on shutting off the control OFF / ON @ the iCOM touch pad.
I have worked on / commissioned well over 200...

Greetings:

Just a brain picking exercise - ( I have been working on Lieberts for nearly 30 years - iCOM trained , couple of AM/AG training sessions etc. )

Just comissioning a VS053WUA000266A...

[QUOTE=SuperStar79;4402902]Im guessing the compressor blew a gasket.

SS79:
I 'll send you 5 bucks if the compressor really blew a gasket. Just doesn't happen.
Chillerwhisperer makes a good point...

[QUOTE=Tech Rob;14036911]Wow! Not many of them around! I think I have seen one or two in my travels. Oldest one I take care of at the moment is a 1991 model with the Level 10 controls. I upgraded...

ZW17:
I have a few 1989/1990 vintage units here and they all have the ' 00 ' board which is the version just after what you have - I have worked on units like the one you listed, but I am inclined...

Glennhvac:

Without getting in to it, what a bout a spring wound timer ( 15 minute version ).

It could be used to energize the CC, as it is rated for 230v, and you may even find one that handles...

Thanks Toptech!!

FreonguyCM

Thanks for the feedback so far gentlemen ( women ) - this Forum is a wealth of knowledge if we all share.

Freonguy CM

Boilerman:

We are located on the West Coast where it never gets really warm - yes, I was aware that the capacity drop was in the 5% range, but, in my situation, most of the equipment in the Mill...

Toptech:

Do you have the Copeland bulletin of which you refer to? Or it's number?

We have used it in 7 systems so far at the Mill I work at, with good results. All A/C systems - Six Lieberts...

Genduct:

Yes, the copper gets attacked - but to a lesser degree.

First off, copper and brass components turn black - a thick, scaly oxide forms, especially on suction lines where there is...

JSWIN:

I am at a Pulp and Paper Mill - all coils are Heresite coated, and, unfortunately all equipment comes with Silfos joints. THe H2S is the culprit to be sure - I suggest using Easy Flo 45 as...

Ryan:

Yes, it looks a whole lot different - I printed out a couple of the manuals - thanks; will give it ago!! Thanks Ryan and freonrick - - - -

Freonguy CM

Greetings Guys:

I have a buddy who is starting up a McQuay AGZ090B5512-ER11 ( R-410a) air cooled chiller that has been in service about 5 years. He asked me to come along as I have ( in a past...

Danny:

What exactly do you do now? I have been in the trade for over 30 years in Western Canada and cannot imagine doing it without doing gas work.

Do you have a gas ticket?

PM me if you...

Sorry, my bad - will get the proper designation -

Freonguy

I work at a Pulp and Paper Mill - we use activated carbon ( Westvaco ) units to neutralize chemicals.

I was once talking to a somewhat unsavoury chap - when he found out I worked at a P & P Mill,...

HVACkid:

What about ultra sonic? The ones sold by the HVAC wholesalers are fair at best; I am at a Pulp and Paper Mill where the instrumentation guys have a $2300.00 unit that is unbelievable -...

Thanks, and a good thread !!


Freonguy

Mr.Kev -

Agreed on the Bible - I have one to be sure.

Do you have a link for the rebuild manual? I have one, but it got badly water damaged and some of it is illegible.

As for the valve...

Yes, WD-40 works pretty well; laquer thinner works better, however, it is more toxic.
I too use never seize on the shafts - makes doing it the next time a nicer experience.

Freonguy

Captain 123

Sounds like you may have it - what I was going to throw in the ring was to reverse the direction of the compressor - I have, over the years , seen a few cases where the oil pump won't...

Pascone makes a good point - I have a Ritchie # 93560 @ 6CFM - really like it.

Use a good vacuum gauge, and above all - CHANGE THE OIL REALLY OFTEN - the pump lasts, and gives good performance.
...

Tassajara:

That should be enough - - -

I will look at the differences between the II and III - but what is there will likely suffice.

Thanks for the help!!

Freonguy

Greetings:

My apprentice picked up a nice used Fluke 79, series III DMM, without a manual.

Fluke.com does not list info that I can seem to get ahold of; does anyone have a pdf of a manual for...

All my units here at work ( except new stuff in the last year + ) are R-22 - Air Conditioning application. That is 150 A/C s and a 134a 125 ton Carrier screw chiller.

I am just about sold on MO-99...

+1 on what Flange says - - - -

'' How do you eat an elephant ?? One bite at a time. '' Remeber that when tackling this one - think out carefully each thing you are about to do - there will be a...

Regulators are rated in BTUs - you have to have a regulator that will pass in excess of the 1.6 million you require.

If the size of the tank(s) is not large enough ( surface area ) @ a certain...

HVAC 1966:

Low ambient, line size too small, reg. locking up, iced up tanks, not large enough tank(s) ( surface area too small for load and vaporization rate ), new system ( has it worked in past...

Thanks Icemeister - gets the mind working again!!

I installed the R-22 TXV and pulled a vacuum on the thing - the old TXV was internally equalized, and the suction line is literally 12 '' long -...

Thanks for the replies -

No R-500 to be easily found here; what I am in the process of doing is:

1) Found leak on hi side schrader - easy fix

2) Unit has a JRR4-0100 compressor ( hi-temp....

Stebs:

Good advice from Flange and Mikey - forgot to mention; if you run remote sensor(s) make sure they are a seperate pair of wires ( not in the same bundle as the rest ) - When I was FTC for...

Wellllll, in 32 years in the trade, I have seen three R-500 ( Carene 7 ) jobs; a couple 20 ton Carrier DX splits, a Carrier Transport reefer, and, today at work, a 3/4 ton, custom built up system...

Steb:

IMHO, go to the Honeywell Vision Pro 8000 series - great bang for the buck, it will do everything you need it to, including narrowing the temperature settings to a real level if you so wish...

HVACDougie:

From my experience, you will feel ' heavy chested ' for 24 hours or so, and the symptoms will go away.
If you have trouble catching your breath, coughing up, shortness of breath,...

LOL !!

I rebuilt several of these years ago - there was a learning curve to be sure, but I probably did half a dozen.

Best one was a 75 hp ( ?? ) on a water cooled chiller I rebuilt in place at...

We had a large fibre optics plant that had a 750,000 btu DFMUA for the fibre storage room. They changed the air over several times per hour as the finished, coated fibre was in 1 km lengths on...

Are you sure your safety glasses / camera don't have cracked lens' ?

Check that temperature rise !!

Freonguy