Zodiac Heat Pumps

Description

Zodiac heat pumps are amongst the most energy efficient available without compromising on the heating performance. Available in a wide range of sizes and models to suit most pools and budgets.

Zodiac heat pumps use the same principle as reverse cycle air conditioners. They extract heat from the air (even down to sub zero temperatures) and through a series of compression and transference technology it then heats the pool water. These work in almost any temperature with some models available to cater for sub zero temperatures as well as indoor installations.

The great benefit of this technology is the very low running cost, in a side by side comparison a heat pump will cost around 60% less to run than a gas heater making them perfect for anyone that wants to have their pool available 24/7 365 days of the year.

What are heat pumps and how do they work?

Zodiac heat pumps use the same principle as reverse cycle air conditioners. They extract ambient heat from the air outside the unit to the pool water stored inside the heater through a heat exchanger system.

The external air is drawn into the heater via a fan into an evaporator containing a special type of refrigerant, which is stored in piping. The refrigerant Zodiac uses is called R410a, which isn’t a CFC, so it doesn’t negatively affect the earth’s ozone layer.

The air that has been drawn into the system, turns the refrigerant from a liquid into a gas inside the heat pump’s piping. The gaseous refrigerant is then compressed through a series of tubes within the heat pump; a process which generates a great deal of heat. A heat exchanger then transfers the heat from the heated refrigerant gas pipes to a tank where water is stored.

One of their key advantages over solar systems, is that they still work in cold or overcast conditions with some models available to cater for sub zero temperatures, as well as indoor installations. The other great benefit of this technology is the relatively low running cost. When used in conjunction with a solar blanket a small heat pump can cost as little as a few dollars per day to run. They are considerable cheaper to run than gas heaters and don’t require the sun to be shining to generate heat, making them the perfect solution for anyone that wants to use their pool for more than a few months of the year.

Understand the technical jargon to make better product comparisons

The key performance measure used to compare heat pumps is something called COP (co-efficient of performance). This is basically a heating efficiency measure. In simple terms, how much energy does it to take to produce a certain amount of heat. The higher the COP, the more efficient the heater is at generating heat.

For example, say a heat product uses 2kW of electricity to deliver 10kW of heat into the pool, the COP is 5.0 (2kW used ÷ 10kW delivered = COP 5). Any COP around 5 in real world conditions is considered the benchmark.

When making brand comparisons it is important to ensure that you are comparing apples with apples. Some companies overinflate their performance by measuring the COP under favourable conditions (ie. higher air temperatures). COP should be measured when the outside temperature is low, which is exactly when you need the best from your heat pump. COP reported for all Zodiac heat pumps and most of the other leading manufacturers is determined when the temperature is around 15°C.

Selecting the right model for your needs

The easiest way to find out the best heating solution for your pool is to use our easy calculation system. With just a few details about your pool and the way you would like to enjoy it, our Customer Service team can provide a list of the most suitable systems, and their approximate associated running costs. Email us at apac.aftersales@zodiac.com if you would like a sizing recommendation. You can then compare and make an informed decision about what is right for you. Key factors to consider are: What temperature is best for my pool?

Most people find 28°C to be the ideal temperature, but you can experiment and find the temperature that best suits you. Will you use a pool cover of some kind?Using a pool blanket or thermal cover is the most effective way to retain heat within the pool water. Not using a pool cover will mean that you need to use a bigger (more expensive) model heat pump to achieve the same heat.

How long do you want to be able to swim?

Depending on where you live, if you want to swim all-year-round you will need one of our larger (more expensive) heat pumps. If you are looking for a season extender, then the smaller entry level products are usually a great option.

Will I need help installing it?

Yes, solar, gas and electric heating systems all require a licensed tradesperson for correct installation. An electrician will always be required to install the larger 3 phase models. In some cases, where suitable electrical outlets already exist when you heat pump will be installed, the single phase models may not require a sparkie. In any case, you should seek advice from your pool care professional.

Models:

  • Power 7 and 9:  The smallest, and most compact heat pumps in the range. Perfect as an alternative to traditional solar units, the Power units produce warm reliable heat even when the sun isn’t shining. The Power units are cost-effective season extenders, but will not provide all year swimming.
  • Powerfirst:  Mid size, energy efficient yet powerful heat pumps suitable for most residential pools. Several models feature both heating and cooling functions. Can provide all year swimming for most domestic pools across Australia.
  • Powerforce 25 and 35:  The PowerForce range feature all-year-round heating models that will heat or cool the pool in almost any climate. Suitable for residential and commercial pools up to 150,000L.
  • Optipac:  Optipac 30 is designed for very large applications and is ideal for semi/commercial pools that have heavy bather loads. Great for council pools or resorts and holiday parks, the Optipac 30 delivers a whopping 90kW of heating power!

 

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