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The chiller is a ykgkgmp9cxf
the compressor model is ydhe-62vdd gear RL

Hello ykleung,

The york chiller i was just on has a liquid level sensor in the condenser as you mentioned. There is a liquid level setpoint that controls that position of the valve to maintain...

And the answer is............ so we found that control shaft for the pre rotation vanes seperated from the internal lever which was not opening the vanes. I replaced the control shaft and o-rings and...

Sorry i have not had a chance to get back on, we are swamped at work. Anyway I will finally have a chance to get back down to work on the chiller on Monday. I was also waiting for a new shoulder bolt...

I didnt take it personal JayGuy sorry if it came across that way. I looked in the evaporator sight glass and could tell that the evap was flooded with refrigerant. I thought it was empty as first but...

Good thing I verified all the sensor readings before I started asking questions or I would just be another statistic for jayguy!!!!!!! DFZ- the control valve does start to modulate close to bring the...

Hello All,

Got a interesting problem with a york centrifigual and want to see if anyone else seen this and can give me some input. Anyway got a York YTH with a variable speed motor that does not...

we have a contract that requires to overhaul 1 chiller a year and it is this chillers turn. We all agree that it does not need to be torn down but they are insisting on this one

Hello All,


Does anyone have a copy or know where I can get a tear down manual for a Carrier 19XR with a #5 frame?


Thanks in advance

Does anyone have or know where I can get a tear down manual for a York YK chiller. Thanks in advance

that would be great, doppler21@hotmail.com

thanks again

I am looking for a rebuild manual for a York JK642 recip compressor, does anyone know where I could get one? Any help would be greatly appreciated.


thanks in advance

I have a Carrier 30HXA chiller with remote air cooled condenser. We keeping getting a T099 alert which is the economizer pressure transducer failure-2. The description in the manual states that the...

Thanks, the honeywell valve in there now does not seem to be shutting off 100% and the generator is getting hot during the off cycle so know I know I have to replace the valve.
Thanks Again

We have a account that has a York YIA absorber and I am looking for a little info about the steam valve operation. Does anyone know if the Honeywell steam valves are 100% shut off? I contacted York...

oil00057

Got a problem with a 19XR on one of our accounts. It seems like when the chiller sits for a while and then we try to start it the oil pressure drops and the machine falls on its face and gives a low...

YES!!! Thank you I sat there for fifteen minutes and just could not think of it. Thanks

open the pulley on the motor a little to slow the fan down, there is a word that describes what the fan is doing but I am drawing a blank right now. Had the same problem on two air handlers. As soon...

I am thinking of putting a UV light on my furnace, I am just wondering if anyone knows if they actually work and if it is worth my time and money to put it in? Any info would be greatly appreciated....

Got a question for anyone that can help.This is not a commercial question but I trust the techs in this forum rather then those in the residential forum. Anyway I am thinking of putting a UV Light on...

We have gone to Danfoss for training and they put on a great class, give them a shot

I am looking for a Moore xtc temperature transmitter:
M#343FA5YN13
B/M K070652-001
input type 100 ohm PLT RTD
FACTORY CAL 0-400F
Anyone know where I can find one?
Any help would be greatly...

just putting a piece of 3/8 copper tubing?

DOES ANYONE KNOW ANY TRICKS TO KEEPING THE SCALE OFF THE HUMIDIFIER PANS IN LIEBERT UNITS. WE TRIED USING VAPURE FROM OUR LIEBERT REP. BUT IT DOES NOT WORK, AT LEAST FOR US IT DIDN'T. ANY HELP WOULD...

I have replaced 7 or 8 in the past 2 years but the units were at least 14 years old. Those are the only ones I have had to change.

I heard that Europe is already phasing out 134A and California is not far behind, anyone else hear that?

I had a bunch a year or two ago but none recently, I think they had a bad batch of motors. Have not seen any service bulletins on them.

The head that is cool has busted valves, I agree with nyrb in that you should remove all three heads and inspect all for any damage. You should just replace all the valves while it is apart.

this is your friendly spelling bee cvhcr1...........starting not sarting.

Any Trane Part Centers by you?

Your on the right track with evacuating the barrel. The IOM will tell you how to pump down the circuit, you may have to transfer the rest with a recovery machine. Also I recommend not splicing the...

If you do change the sensors be careful not to over tighten the nut, I can't prove this but it seems when the nut is over tightened the sensors fail quickly after they are installed.

I would check your sensors and compare the ohm readings to the book. Also check the sensors to ground, any reading at all replace the sensors. I also had a Rtaa tripping on on that same fault, I...

I am working on a old make up air unit with a Maxitrol MR212E-1616 gas valve.
I cannot get the unit to fire on low fire/ bypass.I am pretty sure the valve is bad does anyone know where I can get...

If the circuit runs with no laod for a extended period of time that will also cause the oil to get hot.

what office in Florida did you work for?

For the high oil temp diagnostic, are all your condenser fans operating. I assume the consensers are clean? And for circuit 2 check the sensors to ground any reading at all replace the sensors!

No oil lines need changed, just the hand hole cover.

Just changed a model "E" last monday, it came with a mechanical unloader even though we needed the electric ones so we just had to change the hand hole cover. Model "E" and "F" compressors are no...

I have a Robinair analog micron gauge, I really like it and it is very accurate. It cost me around $450.00

R-134A is not a blend, You can just add refrigerant to the chiller.

Thanks for the info I will try calling the factory and see what they say.

Does anyone know where I can get parts for Dunham Bush? Our local rep here in Pittsburgh is terrible!!!!!!!!!!

Thanks for the info, it is very helpful. From what I have been hearing sounds like it is a bad slipper ring!

I have had copper shavings get into the valve and jam the cage assembly not allowing the valve to open, but I think that is the only time I had to replace the whole valve. I just change the guts and...

LOL.........Good point never thought about it that way

Thanks HeyBob, Glad I am not a DIY

What is DIY

21Degrees, not sure why you are telling me to be careful, just trying to help