Recent content by tilhasbb

  1. tilhasbb

    Help Heatpump freezing

    I will check on Sunday as it's raining cats and dogs outside all day. I kept checking the multimeter and it did go to 0V.
  2. tilhasbb

    Help Heatpump freezing

    Ill look for the reversing valve. As I'm doing that here is two videos http://youtu.be/9gDwKJL5NnM (Turning AC on and Off) http://youtu.be/CzyxIcZMbVs (Turning on Heat from Off)
  3. tilhasbb

    Help Heatpump freezing

    This is weird. System on AC, I got 27.6Volts. turn off system and wait 15minutes, check voltage is still 27.6V Turn Heat on, I get 27.1Volts. But I check the temperature of the coils and it's working perfectly. 3C (37F) Coils, 10C (50F) from Compressor, 60C (140F) to house. Hot air is coming...
  4. tilhasbb

    Help Heatpump freezing

    Thank you! Here is the HP19 Manual on page 5-6 they talk about the defrost board http://www.completeheating.ca/manuals/LennoxHP19.pdf I found the 24Volt pin. So what I should do is check it with a volt meter now and see if it's 0-24V then, check it again when it is in defrost mode if it is...
  5. tilhasbb

    Help Heatpump freezing

    I'm searching to see how I can test the board. I hope it is that because I found the "Lennox Defrost Kit Control Board Thermostat " kit for under 200$ and it seems easy to replace. If not I searched and there are only two Lennox authorized repair guys in my area and both want 150$ for diagnostic...
  6. tilhasbb

    Help Heatpump freezing

    Thank you. What bothers me is that it ran for the first 2 days I switched the system to heating. I was getting 50C (122F) till the house warmed up. I checked the lines and one line was very hot and other was cool. Now one is frozen and other is very cold So I waited about 5hrs for everything...
  7. tilhasbb

    Help Heatpump freezing

    Hello, I have a Lennox HP19 system that is around 15 years old. The compressor died 5 years ago and it was replaced. Last year this same issue started happening at the end of winter and we never fixed it. In summer it cools perfectly and uses minimal electricity. I've washed, cleaned...
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