Question about Jandy Laars Lt 250,000 Btu Heater
I have just lit the teledyne (12 yr old) pool heater at a house I recently bought in UK - have no previous experience of this unit. After three hours the boiler is very hot (too hot to touch some parts of panels) but the outlet pipe is not much warmer to touch than the inlet pipe though I know that water is circulating. Is that right or is there some internal bypass possible that is failing to pass the heat into the circulated water? HELP PLEASE!
Sounds like manual bypass spring broken or weak remove inspect if ok see if you have valve bypass should only be open half way or close all the way
Posted on Jan 30, 2016
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Posted on Jan 02, 2017
Pull the cover off the control panel. You will probably find a button which would be accessible from outside the panel with a paper clip or pencil but is unlabeled. On the board itself by the button, in small letters it should say "reset". Push the button and see what happens.
Posted on Oct 09, 2009
If the unit is lighting then shutting off then repeating it isn't rectifying, means not sensing the flame. May have a bad flame sensor or ignition control. I'm guessing your AGS is indicated on the GUI also.
Posted on Mar 07, 2010
SOURCE: I have a Jandy Lite
This sounds very much like spider webs in the gas orfaces. If you shut the power off and remove the wires to the gas valve then shut the gas down and remove the fed pipe from the gas valve you should be able to pull the burner tray out of the heater. Now if you remove the burners you should be able to remove the brass orfaces connected to the main gas feed pipe. If you use an air hose or a can of compressed air you can blow this out now. Now take the orfaces you removed and clean them with a tooth pick or a small piece of wire. The webs will look like small cotton balls or lint. They don't stop the gas they just slow it or disperse it and keep it from firing clean and evenly.
At this point you can reassemble the tray and install. This should fix your problem.
Posted on Nov 14, 2010
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