pentair mastertemp 400 control board troubleshooting

The thermal regulator is sensitive to water chemistry and can get erosion. The Max-E-Therm is still in production under the Sta-Rite name. For 120 volts, the windings are in parallel. Pentair has a wide selection of pool control systems to put the power in your hands. I ordered this control board… The black wire doesn't get power until the blower is supposed to be on. Pentair recommends a manual bypass when the water flow rate exceeds the maximum 120 GPM. You will need to turn it back up to correct this ! If you feel it and it seems to be solid, then you are good with that.[15]. More Pentair Manuals . Only do what you know that you can do safely. If the sensor does not open and the heater shuts off with an AGS light, the board is bad. Turn the heater on. The control enables the user to select between pool and spa heating, and features a digital display thatindicates the water temperature. A thermal regulator and an internal bypass regulate the water flow through the heat exchanger to maintain the correct outlet temperature. Two inch PVC water piping connects directly to the manifold/header on the heat exchanger using 2" PVC slip unions provided with the heater. An E06 is a shorted sensor, or if the board thinks it is a switch, and not a thermistor (didn't get programmed when it was installed). If the bypass valve is broken the heater will short cycle and make noise. Troubleshooting ... Water Pump Water Filtration Systems Control Unit Controller Swimming Pool Vacuum. The Pentair 42002-0007S Control Board Kit is designed for use with Pentair MasterTemp Natrual Gas and Propane Gas Heaters for pools and spas. The display will flash once and change modes (°C to °F or vice versa). There are two designators for each heater, one is the Model Number and the other is the Heater Identification Number (HIN). 4a. If the sensor opens, it might be a bad sensor or the water is overheating. either supply of fresh air or exhaust, or both. For 240 volts, Black to hot leg, Red to the other hot leg, blue and yellow connected together. Also fits Pentair Sta-Rite Max-E-Therm NA and LP Series pool and spa heater electrical systems. [3], The MasterTemp heater is a compact, lightweight, efficient, induced-draft, gas fired high performance pool and spa heater that can be directly connected to schedule 40 PVC pipe. If you are getting the AFS error, that means the safety switches have been satisfied, and the board should be telling the blower to start (power to relay coil). It is being practiced by thousands of pool owners just like you. After start-up, the outlet water pipe should feel slightly warmer than the inlet pipe. Water is moving too slowly through the exchanger, gathering or absorbing too much heat, and is not carrying it away quickly enough to keep the heater at a workable temp. 4.5 out of 5 stars 256. If you look in the water inlet, you should be able to see the spring. If the exhaust gas temperature is higher then normal then water may be bypassing the heat exchanger through a broken bypass valve. In my experience, it will most likely be the control board. $372.80 $ 372. Right after the heater fires up, if you add a jumper from the ignition module VAL terminal to the TH terminal on the gas valve and the heater keeps firing then the problem is either with the AGS switch or the operating control. Make sure that the filter is not plugged. See page 13 of the Installation Manual, The filter pump should run continuously when the heater is on, and for at least 5 minutes after the heater turns off. A few weeks ago it stopped lighting off. Replace Control Board. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. After installing the valve, adjust the valve to bring the flow rate within the acceptable range. If the air/gas mixture is incorrect you will have an orange yellow flame instead of a good blue flame. For a better experience, please enable JavaScript in your browser before proceeding. the stack flue sensor (SFS), which shuts down the heater if the flue gas temperature reaches 480° F (249° C). Heater is being starved of air and the resulting air/fuel mix is too rich (fat). Heater will not start. Opt-Out of the sale of personal information, 120/240 vac natural gas/lp gas mastertemp pool & spa heater, Please give this manual to the owner and/or, Please retain this manual for future reference, it, contains important information that will help you in. [16], Listen closely when you turn the heater on, after it cycles through the 888, 128, R13. You should check the blower rotates freely and may need to take the blower motor off and clean that out probably. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. A time clock controlling the filter pump should have a low-voltage Fireman’s Switch that switches off the heater at least 15 minutes before shutting off the pump. As soon as there is sufficient air flow,the AFS closes, closing the circuit to the hot surface igniter (HSI), which ignites the fuel mixture. A natural gas or propane heater needs an optimum mixture of air and gas. IntelliCenter: Insert the conductors into the GAS HEATER two-screw terminals (J2) on the upper right of the mother board. When the heater tries to start, power is applied to black and you should get 240 from red to black. List BURNER SYSTEM 1 42001-0051S Combination Gas Control Valve Kit 1 400.73 412.75 2 38404-4097S 3/4 in. One of the winterizing steps in the manual is to remove the water pressure switch.[19]. Sometimes the blower has began running by simply cleaning debris from the fan area or removing the cover to the blower motor and using a screwdriver to manually turn it. Any switches in the pump circuit (including circuit breakers) that can disconnect the pump must also disconnect the heater. This should start the ignition trial.[12]. The values should be the same. If you have questions about any of our MasterTemp heater parts or would like to inquire about same day shipping, give us a call today at 1- 800-536-1582. For indoor or outdoor installations on pools and spas. Note: No guarantees on anything. This is your ignition module Fenwal 35-662944-013 and it is user specifically modified which is why you don't see a W terminal. Note: Not necessarily right now, but at some point in the past, and for a while. MK Rat Proofing sells wire mesh kits to cover the vents of your can fabricate your own using 1/4" mesh wire screen or simple chicken wire and some sheet metal. A sealed heat exchanger surrounds the flame holder, discharging exhaust gases out the flue. Normal boot up is 888, 128 and then rX where X is the software revision number. Then Pentair immediately put the heater into their "cube" design and began selling the heaters both ways. Here is what the normal exhaust temperature should be: Note: HD models can be up to 75 degrees higher. Rats and mice often make their home in the electrical box and chew up the wiring. EasyTouch Control System: Insert the conductors into the GAS HEATER two-screw terminals (J19) on the motherboard. This click will be more subtle than the click you normally hear when the gas valve opens (you wont hear that one though if the blower never starts).[18]. The MasterTemp heater also comes equipped with the Pentair multifunction temperature controller which shows, at a glance, the proper functioning of the heater. Parts diagrams including replacement part numbers are at: MASTERTEMP HEATER BURNER SYSTEM REPLACEMENT PARTS, MASTERTEMP HEATER ELECTRICAL SYSTEM REPLACEMENT PARTS, MASTERTEMP HEATER WATER SYSTEM REPLACEMENT PARTS, The thermal regulator is behind a screw off cap between the in/out pipes in the heaters header. Pentair Technical Support: 800-831-7133. See page 29 of the Installation Manual. Problem - Heat will not fire, blower does not even turn... heat is set at 89*. You can get an E05(open sensor) if a rat chews through the wire(s). You will notice that all of the safeties and gas valve are run through the operating control and ignition module. The Mastertemp heater is a re-packaged Sta-Rite Max-E-Therm heater. If water temperature remains high but the unit continues to operate, turn off the appliance and call your service technician. 2012-2021 ManualsLib. 80. Connect the multimeter to the two contacts on the air flow switch after removing the heater wires. Control Board Kit (NA, LP Series) part number is 42002-0007S. Most visitors online was 3404 , on Jan 24 2020, https://www.pentair.com/content/dam/extranet/aquatics/commercial-pool/literature-and-brochures/brochures/heaters/mastertemp-maxetherm-commercial-heater-brochure-english.pdf, https://www.pentair.com/en/products/commercial-pool-spa-equipment/pool-heaters/mastertemp--high-performance-asme--certified-heaters.html, https://www.pentair.com/en/products/pool-spa-equipment/pool-heaters/mastertemp_heater/sku/460805.html, https://www.pentair.com/content/dam/extranet/product-related/product-manuals/pool-and-spa-equipment/mastertemp/MasterTemp_Pool_and_Spa_Heater_Installation_and_Users_Guide_English.pdf, https://www.troublefreepool.com/threads/heater-integration-with-easytouch-and-new-pump.202123/post-1784068, https://www.troublefreepool.com/threads/gas-pool-heater-and-elevation-altitude.39163/post-327562, https://www.troublefreepool.com/threads/mastertemp-400-shutdown-issue-e05-error.193404/post-1704484, https://www.troublefreepool.com/threads/pentair-mastertemp-400-error-code-e05.73905/post-1191649, https://www.troublefreepool.com/threads/mastertemp-400-e05-error.171793/post-1517990, https://www.troublefreepool.com/threads/mastertemp-400-e05-error.171793/post-1514855, http://www.pentairpoolme.com/uploads/document/file/554/Manual_MasterTemp.pdf, https://www.troublefreepool.com/threads/another-mastertemp-400-with-ags-led-service-heater-led.196702/post-1734928, https://www.troublefreepool.com/threads/mastertemp-400-humming-already-replaced-the-run-cap-still-humming.199621/post-1762831, https://www.troublefreepool.com/threads/mastertemp-400-humming-already-replaced-the-run-cap-still-humming.199621/post-1765494, https://www.troublefreepool.com/threads/pentair-master-temp-400-problems.113128/post-1001404, https://www.pentair.com/content/dam/extranet/product-related/product-manuals/pool-and-spa-equipment/mastertemp/MasterTemp_and_Max-E-Therm_Bypass_Access_Plug_Kit_Instructions_ASME_Models_Only_English.pdf, https://www.troublefreepool.com/threads/mastertemp-400-ng-bad-board.192416/, https://www.troublefreepool.com/threads/mastertemp-400-issue.151028/post-1341812, https://www.troublefreepool.com/threads/water-pressure-switch-removal-pentair-heater.153252/post-1355449, https://www.troublefreepool.com/wiki/index.php?title=Pentair_MasterTemp_Heaters&oldid=4116, New bronze header design for easy access to the thermal regulator and bypass valve service without use of special tools, Upgrades to thermal regulator include a governing stainless steel sleeve for better wear protection, All internal components of the bronze header are plastic for lightweight, corrosion and wear protection. Troubleshooting Guide For Pentair Pool Heat Pumps. FREE Shipping. When the inlet water temperature drops below the temperature set on the operating control, the burner controller supplies power to the combustion air blower through a series of safety interlocks. The heater operator control panel board assembly is located on top of the heater. [5], The MasterTemp can connect to Pentair control systems via a 3 wire RS-485 connection. Pentair will not be liable for any costs or expenses related to an extended warranty provided to a customer beyond the 60-day limited warranty that Pentair provides for such sales. This would be an issue with either the control board or the sensor. An electronic temperature sensing thermistor in the manifold adapter inlet controls the heater operation.

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