Question about Pentair MINIMAX MODULE, IGNITION CONTROL
Pool heaters are exposed to the elements all year round, and it is common for the thermocouples to tarnish.
The thermocouple converts the pilot flame into energy and the regulator opens when it senses this miniscule amount of energy.
This is a safety feature so gas does not spew out of the regulator without a pilot to ignite it.
Clean the thermocouple with fine grit sandpaper, and adjust the pilot so just the tip of the flame is touching it.
Here are a few more troubleshooting guidelines for your pool heaters:
• The heater will not ignite.
If you are having a problem simply being able to ignite the heater and getting it to work properly, there are actually many things that you can do to try to remedy the problem.
One of the very first things you need to check in order to avoid spending a lot of unnecessary time is to make sure the switch is turned on. If it is turned on, you should move on and check the thermostat to make sure it is turned up to the desired temperature.
If this appears to be in working order, you then should check to make sure that the pump is running with a clean filter that has less than or equal to 16-psi on the pressure gauge. You may also want to check to make sure the gas valve is in the proper position and that the pilot light is lit.
You also should check that the plumbing and valves are all open and that the bypass has not only been installed, but also that it is properly adjusted. If you have checked on all of these things and still do not know what to do, you may want to contact a technician to take a look at the pool heater for you.
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Posted on May 14, 2009
The switch needs replacement is sure but the exact schematics is not provided by the company.
click this link directly
Posted on May 12, 2009
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Posted on Jan 02, 2017
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you for posting your question here on Fixya.com.
First you will need to get a hold of a digital or analog multimeter and set it for the lowest range of Ohms you can. Your safety circuit is a string of several switches all strung together in a row with the gas valve at the end and the beginning of said string. Any one switch being open or a bad connection anywhere in the circuit and the heater will not fire.
You task is to remove one end of the circuit from the valves TH or TT post and put one end of you meter on that wire and the other end on the TH/PP terminal. It will likely read infinite resistance. Leave one meter lead where it is and remove the other. Follow the circuit from the connected lead up to the first switch. Check continuity from the lead left connected to both sides of the switch. If there is continuity to both sides the switch is fine. Keep moving from switch to switch until you find the bad switch or connection. There may be more than one. When the circuit is working properly and there is nothing within the heater to cause it to shut off you should have 5 ohms or less across the entire circuit. Once you get the reading to that level the heater will work as it should
If you are not familiar with the process I described you would be better served hiring a pool technician to perform this repair as you can cause significant damage to the heater if you do not repair it properly.
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