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  4. Pool Heat Pump Freezing up in Summer...

Pool Heat Pump Freezing up in Summer

Why does my heat pump freeze in summer?

On a hot summer day, you adjust the pool heat pump to cooling mode. But you find that your swimming pool heat pump freezes in the summer. Please don't worry too much. In fact, this is a problem that homeowners who use air source heat pumps often encounter in summer!


When the air source swimming pool heat pump freezes, the heat pump will have to consume more electricity to run, and it will still not be able to effectively cool your swimming pool. If left unattended, the frozen coil can severely damage the rest of your heat pump.


How do I know that the heat pump freezes in summer?

In fact, the swimming pool heat pump should be placed where it is easier to see. Or you need to overhaul the swimming pool heat pump for 1 month. If you find ice on the evaporator coil or refrigerant line of the heat pump, even if there are only a few drops or a thin layer, you should immediately turn off the heat pump. Try to switch the fan of the system from "Auto" to "On" to see if it will thaw the ice.


If the ice on the heat pump has not melted. At this time, you need to call HVAC professional technicians for professional repairs.


Why does your heat pump freeze in the summer?

The pool heat pump cools your swimming pool by absorbing heat through the cold refrigerant flowing through the evaporator coil. When warm air hits the coil, condensed water is formed. If the coil temperature is too low, the condensate will freeze, causing your heat pump to "freeze" in the summer.


Why is my heat pump coil too cold?

1. The coil is too dirty

The more dirt accumulates on the coil, the higher the insulation from the hot air blown on it, and the moisture in the air will condense into ice instead. On the contrary, the cleaner the coil, the higher the efficiency of the heat pump, and it will not form ice. To avoid this problem, please replace the air filter regularly and clean the coil professionally from time to time.


2. Your system has poor airflow

Dirty air filters, clogged air outlets, or blower failure may all be the cause of insufficient air flow. Moreover, the lack of hot air blowing through the coil will cause the periphery of the coil to freeze.


3. Insufficient refrigerant in heat pump

When the refrigerant is insufficient, the system pressure will drop, which will make the coil colder than usual. This is also the most common reason for heat pump freezing in summer.


Run the defrost cycle:

Modern heat pumps have the function of a defrost cycle because they are prone to freezing. The defrost cycle works by switching the valve to air conditioning mode, which turns off the outdoor fan and turns the outdoor evaporator into a condenser. This warms the high-pressure refrigerant. As it circulates through the outdoor coil, it melts the ice.


Even older models may have defrost settings, although they may use mechanical timers instead of convenient temperature sensors and control modules. If your heat pump is an old model and you are having difficulty running the defrost cycle, it may be time to upgrade.


Schedule annual HVAC maintenance

Some of the problems that cause the heat pump to freeze may also be the failure of the defrost relay, the failure of the defrost control or timer, the stuck reversing valve, the failure of the throttle valve or the fan motor. Therefore, the annual HVAC inspection service for your heat pump when using the heat pump can help you avoid these common problems.


If you encounter other situations when using a swimming pool heat pump, you don't know how to solve it. You can contact Leomon Technology. We are a professional HVAC manufacturer. We have professional HVAC engineers. We will give you the best answer.

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  • Air Source Heat Pumps
    • Domestic Heat Pumps
    • Commercial Heat Pumps
    • Industrial Heat Pumps
  • Heat Pump Cylinders
  • Air to Water Heat Pumps
  • Swimming Pool Heat Pump
    • Residential Swimming Pool Heat Pump
    • Commercial Swimming Pool Heat Pump
    • Spa Heat Pump
  • Hot Water Heat Pumps
    • Domestic Hot Water Heat Pumps
    • Commercial Hot Water Heat Pumps
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  • High Temperature Heat Pumps
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  • +86 15603721115

    +86 15603721115

    tyler@lnashp.com

    Cihu Technical Area, Maanshan. China

    LatestPost

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    tyler@lnashp.com

    Cihu Technical Area, Maanshan. China

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