Heat Pump Frozen Up
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Heat Pump Frozen Up (by Roy [AL]) Jan 24, 2023 12:54 PM
       Heat Pump Frozen Up (by Sisco [MO]) Jan 24, 2023 1:11 PM
       Heat Pump Frozen Up (by Allym [NJ]) Jan 24, 2023 2:17 PM
       Heat Pump Frozen Up (by LisaFL [FL]) Jan 24, 2023 4:17 PM
       Heat Pump Frozen Up (by Robert,OntarioCanada [ON]) Jan 24, 2023 4:34 PM
       Heat Pump Frozen Up (by Bonanza [NC]) Jan 24, 2023 5:32 PM
       Heat Pump Frozen Up (by Vee [OH]) Jan 24, 2023 6:26 PM
       Heat Pump Frozen Up (by Roy [AL]) Jan 24, 2023 6:52 PM
       Heat Pump Frozen Up (by Pat [VA]) Jan 24, 2023 8:15 PM
       Heat Pump Frozen Up (by myob [GA]) Jan 24, 2023 10:00 PM
       Heat Pump Frozen Up (by DJ [VA]) Jan 24, 2023 10:48 PM
       Heat Pump Frozen Up (by Wilma [P]) Jan 25, 2023 3:04 PM

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Heat Pump Frozen Up (by Roy [AL]) Posted on: Jan 24, 2023 12:54 PM
Message:

Why does a Heat Pump that is less than a year old freeze up with visible ice on the outside unit? Is this considered normal? --71.207.xxx.x




Heat Pump Frozen Up (by Sisco [MO]) Posted on: Jan 24, 2023 1:11 PM
Message:

Lack of air flow (dirty, fan problem ) lack of Freon (leak) --149.76.xxx.x




Heat Pump Frozen Up (by Allym [NJ]) Posted on: Jan 24, 2023 2:17 PM
Message:

Isnt there a temperature that is too low for them to work at all? How cold is it there? --71.188.xx.xxx




Heat Pump Frozen Up (by LisaFL [FL]) Posted on: Jan 24, 2023 4:17 PM
Message:

Bad defrost board? --24.96.xx.xxx




Heat Pump Frozen Up (by Robert,OntarioCanada [ON]) Posted on: Jan 24, 2023 4:34 PM
Message:

Check drainage fitting on the bottom as the condensate needs to drain. --68.69.xxx.xxx




Heat Pump Frozen Up (by Bonanza [NC]) Posted on: Jan 24, 2023 5:32 PM
Message:

Dollars to donuts its low on gas because the guy who installed it didn't do it correctly or the cheap parts from overseas had a pin hole leak and gradually let all the expensive freon out. You will quickly find out your 10 year warranty will cover the leaky coil but not the labor or the gas to go in it. :-( --65.188.xxx.xxx




Heat Pump Frozen Up (by Vee [OH]) Posted on: Jan 24, 2023 6:26 PM
Message:

If it that new look for the purple sticker - 410, the freon cost won't send you crying in your beer. But heat pumps run backwards of A/C - you prolly knew that, so it is common to see frost form on the lines, you will need heat pump gauges to get an idea of the charge value left - both the blue and red will have 7 or 800 lb readings possible but you should see 100 low side and at least double the outdoor temp plus 100 on the high side. A common failure item is the outdoor unit capacitor, it operates both the fan and the pump, keep a spare in a sandwich bag once you know the value (45-5 or similar). --76.190.xxx.xxx




Heat Pump Frozen Up (by Roy [AL]) Posted on: Jan 24, 2023 6:52 PM
Message:

My HVAC man just left the scene and said something (thermostat on the outside unit) had prevented the heat strips from coming on. System is working fine now.

I think I am going to start using gas fired units for heat instead of heat pumps which seem to have an excessive amount of nickel and dime repair issues. --71.207.xxx.x




Heat Pump Frozen Up (by Pat [VA]) Posted on: Jan 24, 2023 8:15 PM
Message:

We keep our HVAC man on speed dial! Seriously, he is so good to us, we just had the second electric furnace to keep running and not cut off. Tenant was lucky it was only 83 when he came home. The first one was a high limit switch, he hasn't come by to get paid for the last one yet but I imagine it was the same thing. --216.126.xx.xxx




Heat Pump Frozen Up (by myob [GA]) Posted on: Jan 24, 2023 10:00 PM
Message:

in summer the ac cycles through the system like any other unit that cools.

In winter when you select heat the shuttle valve goes to the heat side. So now freon is cycling the opposite direction so rather than cool freon its the HOT freon pipe running through the system. Basic system the shuttle valve is a reversing flow valve--

THEY get stuck--- sometimes if you can see the valve hit it with the wooden handle of a hammer and it will cycle.

No it's not normal for the unit to ice up in winter-- but when it doesn't shuttle over your AC'ing the house not heating it.

Don't you have a selection on your thermostat that says emergency heat stripes? --98.97.xxx.xxx




Heat Pump Frozen Up (by DJ [VA]) Posted on: Jan 24, 2023 10:48 PM
Message:

I had this happen once when a worker crushed the return duct in the crawlspace, so there was no air flow. --68.229.xxx.xxx




Heat Pump Frozen Up (by Wilma [P]) Posted on: Jan 25, 2023 3:04 PM
Message:

We've used heat pumps here in the north for years. We've learned two things:

1. Buy a couple of steps up from contractor grade, and go with either Trane or Lennox.

2. Remember that heat pumps for the northern states are "heat biased", and for southern states are "cooling biased". Be sure that you get the right bias for your area.

We just put in a Trane XL series 18 that is one step below the top of the line for a B+ 3br sfh. It has 2 stages for both the compressor and the indoor blower unit, plus the usual radiant backup heat. This is the first heat pump that we've ever had that actually pumps out air that feels warm WITHOUT the backup heat running (we made the installer take the cover off of the backup heat strips to be sure when we felt warm air from the vents)! When our home Trane quits (16+ years with only minor repairs), we'll go to one of these. --96.245.xx.xx



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