Question about Heating & Cooling

1 Answer

Freezing up -liqued line preasure dosn't change seems to have something to do with txv value

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Master
  • 2,359 Answers

Please email me the high and low pressure line PSI readings form the manifold set.

I also need the make and model number.

On the body of the AC unit (depend on model) it will list the pound of R-134 capacity.

The first thing to inspect is the compressor operation.

Locate the pressure switch on the accumulator and make sure the switch is not defective.

A defective pressure will keep the compressor working continuously and cause over pressurization and eventually cause icing condition.

Do a quick clean up of dust and dirt around the coil.


Please email me the make and model number on reply.

Posted on Apr 26, 2010

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
New users get 2 Free calls (no credit card required) and instant help on almost anything you can think of (from cars to computers, appliances, handyman, and even pets).
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

What range should your super heat be on txv ?


I normally don't take a superheat reading when I have a txv. That can fool you. A sub cooling reading is the best when a txv has been installed. I've seen normal temp readings of 0° superheat and 16-20° sub cooling with "factory specs". And that was normal! That valve will open and close changing superheat values. Sub cooling is the way to go! Find some manufacturer specs if possible.

May 27, 2015 | Heating & Cooling

1 Answer

What range should your super heat be on the txv ?


I normally don't take a superheat reading when I have a txv. That can fool you. A sub cooling reading is the best when a txv has been installed. I've seen normal temp readings of 0° superheat and 16-20° sub cooling with "factory specs". And that was normal! That valve will open and close changing superheat values. Sub cooling is the way to go! Find some manufacturer specs if possible.

May 27, 2015 | Heating & Cooling

2 Answers

Ineed info on changing a expansion valve ona split a/c unit


If indoor coil TXV then start by pumping system down-while system is running in the cool mode close discharge line valve at outdoor unit (the small line) watch low pressure side of gauges as needle falls start closing the other valve idealy u want valve completely closed around the same time the PSI reaches "0" and kill power at disconnect by unit at the same time. Now your refrigerant is in the outdoor unit. However if TXV was completely closed off you may have refrigerant between the TXV and outdoor unit in the little line in which case that would have to be recovered into a cylinder. Now you can remove old TXV also remove filter drier if is one and install new one just before TXV either way this is to catch any trash or moisture left in system. Next pull a vacuum on the system perferably down to 500 microns if not pull for 45min close gauges and let sit 10min or so and see that needle doesnt rise if it does u have a leak find leak and repair start process over. Its best if u have nitrogen or CO2 to put some pressure on lines before pulling vacuum upto about 100PSI and bubble soap joints see that pressure doesnt drop then release pressure and start vacuum once vacuum complete open valves on outdoor unit.(do not remove hoses from lines until valves opened or u loose vacuum and have to start over) reconnect power and check charge by subcooling method add or remove refrigerant if needed. ADD:if u have to braze TXV in then wrap it with a wet rag so it doesnt get to hot and damaged.

Aug 27, 2012 | Goodman Heating & Cooling

1 Answer

We have a model ubha-17j10nuca evaporator .we are installing a 12 seer condensor unit and they sent a KIT RXCTCHKM3306 TO CHANGE PISTON FEED TO A EXPANSION VALVE TO MAKE OLD 10 SEER UPGRADE TO 12 SEER ....


liquid line to inlet of txv. outlet of txv to inlet of evaporator. outlet of evaporator to suction line. does txv have a equializing line? strap bulb to outlet of evaporator, at either 11 oclock or one oclock and insulate bulb.

Apr 26, 2011 | Ruud Heating & Cooling

2 Answers

Walk in chiller.Evap freezing up, Appears to start freezing just after the TX valve.R22 HP 235psi LP 40psi. Sight glass no bubbles. Suspect TX valve. Have adjusted in and out with no change. Any...


First front seat the valve stem on the expansion valve (in all the way), then backseat the valve (out) six turns. Next pump the system down and change the drier, evacuate, open the "King-Valve" on the receiver and allow refrigerant to circulate. Rule of thumb (ole school) measure ambient temperature add 25*F convert this temperature to pressure for head pressure. Also check RLA (running load amperage).
Allow system to run about 2 hours then check TXV Superheat should be 6*F for low temperature.

Dec 14, 2010 | Traulsen Commercial 2 Door Cooler /...

2 Answers

3.5 TON GSH14 GOODMAN WITH TXV


is it a heat pump? or the furnace cutting out?

Jun 03, 2008 | Goodman GMS90703BXA Heater

Not finding what you are looking for?
Heating & Cooling Logo

Related Topics:

29 people viewed this question

Ask a Question

Usually answered in minutes!

Top Heating & Cooling Experts

Paul Carew

Level 3 Expert

2550 Answers

Dan Webster
Dan Webster

Level 3 Expert

8220 Answers

Donni Steen

Level 3 Expert

659 Answers

Are you a Heating and Cooling Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...