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How do you pipe a LA14-20x heat exchanger playe

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My furnace is a Rheem has issues of pilot light not staying lite the flame blows out won't stay on long enough to heat house


First thing I do, especially if the furnace is an older one, is to light a match or long end lighter(like for BBQ pits), hold it inside the opening on the front of the furnace heat exchanger, where you would normally see the burner flames, then turn on the fan only. If you see the "flame dance/flame disturbance", then that furnace may be unsafe due to a cracked heat exchanger. Holes or cracks in heat exchanger will blow out the pilot by allowing the air that we breathe to enter the heat exchanger and mix with the combustion process. AND may cause carbon monoxide poisoning. In that scenario, I would call in a professional. Now if it's not a heat exchanger issue, the flue pipe may have a back draft issue. Again, call a professional! Play it safe with that issue. Hope this helps!

Mar 14, 2017 | Heating & Cooling

Tip

Air To Water Heat Pipe Heat Exchanger


General Information
Air to water heat pipe heat exchanger is mainly to heat water using the hot air from heat recovery, it can be used for domestic water, water for boilers or production process. The exchanger is constructed using a partition in the middle to separate the exchanger, both sides are independently sealed. A single heat pipe can be replaced. While working the hot air flows from one side to the other side, the heat pipe absorbs heat. Meanwhile, cold water flows from the reverse side, the heat pipe releases heat, thus heating the cold water from the reverse side. The outlet temperature is not lower than dew temperature.
Field of Application
-feed drying
-cereals and oil processing
-chemical industry
Specification

Advantage:
-high heat recovery efficiency
-seldom temperature difference, fast heat starting, good isothermal
-the speciality of the heat pipe results in a high wall temperature, exhaust gas temperature can be reduced without reaching the acid dew point, avoid the corrosion of the equipment.

Core tube material: stainless steel, carbon steel
Fin material: aluminum, stainless steel
Tube/fin bond: extruded, high-frequency welding
Tube arrangement: staggered
Core tube external diameter: ?25
Core tube wall thickness: 2-3mm
Fin thickness: 0.4mm
Fin height: 12.5mm
Fin spacing: 3mm
Temperature range: 20~150?
Order Information
P/N Description: HP-XYZ-N
Note: X should be replaced into S, C
Y should be replaced into S, A
Z should be replaced into ET, W
N means the power needed
S-stainless steel
C-carbon steel
A-aluminum
ET- extruded
W- high frequency welding Air To Water Heat Pipe Heat Exchanger

on Dec 14, 2016 | Miscellaneous

1 Answer

Hi there, I have a H23 fault code up on my CS-E24PKR Panasonic inverter AC. Could you please advise what to check relating to the Indoor heat exchanger temperature sensor?


The system has already determined that the thermistor is faulty so I wouldn't bother checking it as they are cheap and easy to obtain. The thermistor in question is one of two located at the right hand side of the indoor heat exchanger (the metal radiator-like assembly). One is the air temperature sensor and the other is the pipe/heat exchanger sensor. The air temp. thermistor is the one just in front of the heat exchanger held by a plastic clip. The pipe/heat exchanger sensor is the one that sits in a small metal tube near the copper pipes leading to the heat exchanger. It is usually a fairly tight fit because of a small metal insert to keep it in place. Use some small needle nose pliers on the metal insert to pull the thermistor out - NOT THE WIRES! Of course, make sure power to the A/C is completely off first.
You will probably have to replace both of the thermistors as they usually have the wires going to the same single plug on the controller board.

Dec 17, 2016 | Panasonic Heating & Cooling

1 Answer

My furnace is telling me that i have an open pressure switch via the trouble code on the circut board. its a weatherking furnace jmercadante01@hotmail.com


Hi,
If the pressure switch is open, that means that the inducer is not moving enough air to close it, the pressure switch is bad, or the heat exchanger may be cracked.

Check for air flow...go outside and see if air is coming out the vent pipe....make sure there is no water built up inside the vent pipe.
Make sure the air intake pipe is ope and not clogged if you have a two pipe system...

Check the small hoses by the furnace for cracks or water in the hoses...
Check for condensate buildup inside the heat exchanger...

A cracked heat exchanger can also cause a lack of pressure and or pressure differential....

If everything else checks out then you may have a bad pressure switch... they DO go bad...

Here is a tip that will help you try to figure out why yourfurnace is not working.

BasicFurnace or Heating System Troubleshooting

heatman101

Mar 24, 2011 | Heating & Cooling

2 Answers

Flame rollout on ignition causing rollout switch to fail, prior technician to me feels it is the heat exchanger. I feel that if it was the heat exchanger the rollout would occur after the indoor blower...


roll out occurs if there is not enough combustion air at the burners or there is a blockage of the vent pipe. check both for problem. a blocked heat exchanger can also cause a roll out.

Oct 10, 2010 | Heating & Cooling

1 Answer

014 code


A 14 code means the thermal fuse (white wire which wraps around the heat exchanger) has snapped. This occurs if the heat exchanger reaches a dangerously high temperature. To correct this error code you need to replace the thermal fuse and keep the heat exchanger from over heating. Typical reasons the heat exchanger over heats are:

1) scaling in the heat exchanger
2) combustion chamber dirty and burning hot

Oct 07, 2010 | Noritz N-069M-DV, N-084M, and N-084M-DV...

2 Answers

Water is flowing out of the exhaust for the heat exchanger. The tank is overfilling. we have checked all the pipes going into and out of the heater and they are clear.


The heat exchanger under the fan is leaking and filling the heaters lower cavity with water. It can not get out so eventually it backs all the way up to and out of the fan. The heat exchanger is an expensive repair but they do not 'fix' well due to the curved pipes. You can try a radiator shop but most likely you will end up buying a new exchanger.

John

Aug 19, 2010 | Sta Rite MaxETherm Pool Heaters 200K BTU...

1 Answer

My hayward model H350 will heat the pipes up so fast it will melt the cpvc fittings out of the supply lines. How high should the flame be and how close should the flame be to the heat exchanger pipes...


Where was the 7in reading taken? Inlet or Manifold? With or without the burners running? You probably want to look at the manifold side and adjust the regulator in the valve to get pressure on the manifold side down based on the assumption your pressure is to high somewhere to get a 7-10" tall flame on the burners.

Dec 02, 2009 | Pool & Spa

2 Answers

Coolant leaking into car from passenger side


Coolant passes through the heat exchanger below the dashboard heating the interior air from the engine heat. The heat exchanger or its pipe is leak somehow.
A temporary measure is to change the heat/cool knob to cold position. This disconnects the radiator.
Note: If the leak is before the valve then it will not stop leaking.
Also if you use the heater then You need to get the pipe repaired.

Aug 12, 2009 | 1986 Chevrolet Cavalier 2 Door

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