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I have repaired a pin hole leak in my radiant floor heat and now need to restart the system. What is the next step

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Isolate that loop and perge the air or hope your system can do it for you dan

Posted on Jul 18, 2008

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Posted on Jan 02, 2017

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What is Radiant Floor Heating System anyone can tell me?


I think the concept behind the Radiant Floor Heating System is that Installed tubes or heating element, which contains water beneath the floor, which warm our floor. For more information about Radiant Floor system you can check this site.http://www.ps2i.biz/

May 28, 2013 | Mountain Plumbing Plumbing

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The rear heater does not heat up when switch is on


Troubleshooting by Symptom Poor Heater System Performance
  1. Start the engine. Allow the engine to idle. Does the engine reach normal operating temperature? If yes, go to the next step. If no, go to step 8.
  2. Allow the engine to idle. Select the FLOOR mode. Select the minimum blower speed and the warmest temperature setting. Feel the temperature of the inlet and outlet heater hoses at the heater core. Does the inlet heater hose feel warmer than the outlet heater hose? If yes, go to step 6. If no, go to the next step.
  3. Install a thermometer into the center I/P PANEL air outlet. Secure a thermometer to the heater core outlet heater hose. Select the PANEL mode. Select the maximum blower speed. Select the warmest temperature setting. Record the temperature at the center I/P PANEL air outlet and at the heater core outlet heater hose. Are the two temperature readings about equal? If yes, go to the next step. If no, go to step 5.
  4. Inspect and repair the cowl, recirc door, and the HVAC module case for cold air leaks. If problems are found and repaired, go to step 9.
  5. Inspect the temperature door operation. Perform any necessary repairs. When repairs are made, go to step 9.
  6. Turn OFF the engine. Backflush the heater core. Start the engine. Select the FLOOR mode and the lowest blower speed. Select the warmest temperature setting. Feel the temperature of the inlet and outlet heater hoses at the heater core. Does the inlet heater hose feel warmer than the outlet heater hose? If yes, go to the next step. If no, go to step 9.
  7. Replace the heater core. When the repair is complete, go to step 9.
  8. Repair the low engine temperature concern. When the repair is complete, go to step 9.
  9. Operate the system in order to verify the repair. If the system operates properly, the repair is complete. If the heater still does not work properly, repeat the entire procedure.
Insufficient Defrosting
  1. Start the engine, select the DEFROST mode, and select the maximum blower speed. Does sufficient air flow from the defroster outlets? If yes, go to the next step. If there is insufficient airflow, go to step 9.
  2. Measure the engine operating temperature. Does the engine reach normal operating temperature? If yes, go to the next step. If the engine does not reach normal operating temperature, go to step 7.
  3. Select the minimum blower speed. Select the warmest temperature setting. Feel the temperature of the inlet and outlet heater hoses at the heater core. Does the inlet heater hose feel warmer than the outlet heater hose? If yes, go to step 10. If the hose temperature is not right, go to the next step.
  4. Test the operation of the A/C compressor clutch. Does the A/C compressor clutch engage? If yes, go to the next step. If the compressor clutch does not engage, go to step 6.
  5. Repair or replace the A/C compressor clutch. When the repair is complete, go to step 13.
  6. Repair the A/C compressor clutch concern and determine if the A/C system is operating within specifications. If yes, go to step 8. If no, go to step 11.
  7. Repair the low engine temperature concern. When the repair is complete, go to step 13.
  8. Inspect for correct operation of the recirculation door. If the door is operating correctly, go to step 13. If the door is not operating properly, go to step 12.
  9. Repair the air delivery concern. When the repair is complete, go to step 13.
  10. Repair the heating concern. When the repair is complete, go to step 13.
  11. Repair the A/C performance concern. When the repair is complete, go to step 13.
  12. Repair the recirculation door concern. When the repair is complete, go to step 13.
  13. Operate the system in order to verify the repair. If the system is operating properly, the procedure is complete. If the system is still not providing proper defrosting, repeat the entire test
. Noise from the HVAC Module
  1. Start the engine. Cycle through all blower speeds, A/C mode settings and temperature control settings. Determine the type of noise, whether it is a scraping, popping, ticking, clicking, chirping or groaning, or an air rush or whistle. Is a scrape or pop noise evident when selecting modes or temperature settings? If yes, go to step 5. If no, go to the next step.
  2. Is a tick/click, chirping, groaning or scraping noise present, but decreases as blower motor speed is decreased? If yes, go to step 5. If no, go to the next step.
  3. Is an air rush/whistle noise evident in all modes but not all temperature settings? If yes, go to step 5. If no, go to the next step.
  4. Is an air rush/whistle noise evident only in defrost or floor mode? If yes, go to step 5. If no, examine for other sounds, repeat step 1.
  5. Remove the I/P trim pad. When complete, go to the next step.
  6. Inspect the airflow doors for proper operation and the ducts for obstructions or foreign materials. Were any of these conditions found? If yes, go to step 9. If no, go to the next step.
  7. Inspect the mode and temperature doors and seals for warping or cracking. Are the doors in normal condition? If yes, go to step 9. If no, go to the next step.
  8. Replace the appropriate door and/or seals. When the repair is complete, go to step 10.
  9. Remove any obstructions or foreign material found. When the repair is complete, go to step 10.
  10. Install the I/P trim pad. When complete, go to the next step.
  11. Operate the system to verify the repair. If system operates without noise, the repair is complete. If noise still exists, repeat the entire procedure.

Jul 21, 2010 | 1999 Chevrolet Astro

1 Answer

I have a radiant floor heating system with a wirsbo control system, i keep having to reset the system to get the zones to heat up again. The broiler is working fine. The first time I reset the radiant heat...


Is this a water circulating system? If so there are bleeder ports on your radiant heating zones on the floor that you can bleed the air out of the system. They look like a tire air pressure valve. Depress the valve core with a small screwdriver or something of the same nature. You will hear air coming out and water will come out. This is done while system is running. Also it may maybe under pressurized, circulating pump could be shutting down. Does the boiler keep running or shut down on reset. If it does could be within the boiler itself. Please rsvp with more info.

Oct 02, 2008 | Heating & Cooling

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