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Air Conditioning Installation Manual

All In One Installation Manual

Inverters

Mitsubishi Electric Super High COP Inverter Heat-pump Air Conditioning unit

Portable Server Room Air Conditioning Unit

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Mitsubishi SRK20ZIX AIR TO AIR Heat pump with 5.45 C.O.P

Air Conditioning Information

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Air Source Heat Pump's explained

We have been a great believer in air heat pump technology and for many years and were one of the first on-line shops to market them in the UK. We could see air to water heat pump's were going to be a viable option. We offer branded air to water heat pump units for commercial and residential use.

A overview of the technology

Air conditioning heat pump technology has incorporated heat pump technology for over 30 years now after Sanyo produced the first heat pump in the late 70's. Air to water heat pumps are a decendant of this technology but instead of air to air transfer heat is transfered into the water. Air to water units are now starting to become a viable option for home and commcial heating and domestic hot water and all the Air source heat pump outdoor unit mounted on a wall at customers housemain manufactures such as LG, Daikin, Fujitsu and Mitsubishi are bringing systems to the market. Many renewable show's such as the EcoBuild are full of manufactures showing their latest air to water heat pump's. After being in homes and commercial buildings they are becoming a tried and tested technology. Air source heat pump's are easy to install and require minimal maintenance once installed. A box style outdoor unit is mounted on the outside of the building and collects the heat from the outside ambient air to a heat exchanger coil at the rear of the unit where air is passed over by a fan to transfer heat in the system. The air heat pump will use a refrigerant gas such as R410a, R417a for the heat transfer medium which has a very low boiling point (-48.5DegC R410a) and is compressed into another state by the compressor. Most heat pump compressor's are DC inverter driven so are very economical with COP's of around 4 (4 x initial input of power). Therefore a air heat pump with a efficiency of 4 will produce 4000 watts of heat from 1000 watts of electricity input. In comparison to ground source heat pump's air heat pumps are slightly less efficient because ground source heat pumps have a steady heat source from the pipes buried in the ground (usually 10DegC)

Where use air to water heat pumps

Air to water heat pumps are a good option if you have no main's gas supply. The air to water heat pump units will operate on minimum power consumption so don't require a large power source so will no use your entire electrical supply up. If there is no option for ground source heat pump's then air source can work out very well. Because there is not a need to dig huge trenches for ground source piping it is also a compact and cost effective installation process with only the need for a plumber and a refrigeration engineer to complete. As long as there is a electrical supply air to water heat pump's are a simple, compact and efficient way of heating an entire home even when temperatures go below -15DegC.

Air to water limitations

Air to water heat pump have a few limitations. Because the ambient air temperature is variable most air to water heat pumps offer a rating of -15DegC to -20DegC which is a basic figure for the limitations of the refrigerant used either R410a or R417a. The COP coefficient of performance will drop the colder the outside temperature is but manufactures don't usually show data on this. The outdoor unit will require mounting on a wall or 100mm from the floor to avoid ice up and must have 200mm breathing space around it. Periodically the outdoor unit will go on a defrost which de-ices the coil which in turn drips water. This will require a drain point to safely drain the water so there are no icy pathways in the winter months.

Air to water heat pump feature's:

■ Optimal annual heating factor thanks to the inverter
controlled compressor.
■ Outdoor unit with compact dimensions and no bore holes required
■ Speed controlled system pump that supplies the heat pump
with suitable system flow.
■ Optimized operating costs. The speed of the compressor is
adjusted according to the demand.

■ Integrated coil water heater with some models
■ Integrated clock for scheduling extra hot water and temperature
lowering/increasing the supply water temperature with some models
■ Prepared for controlling of two heating systems.
■ Integrated active cooling function.
■ Possible to connect external heat sources.

What we consider to be the best options for a home air source heat pump

In our opinion the Mitsubishi Heavy Industries Air To Water Heat Pump Model: FDCW100VNX is one of the best value easy to instal air to water heat pumps for the home use. The unit is a complete system with integral water tank and relatively compact single fan outdoor unit. This is a complete modern heat pump system that offers effective technical energy saving and reduced carbon dioxide emissions. Heat production is safe and economical with integrated hot water heater, immersion heater, circulation pump and climate system in the indoor unit. The Mitsubishi Heavy Industries Air To Water Heat Pump Model: FDCW100VNX has the option to connect a external heat source such as a solar water heater system such as the Worcester Solar FKC-1S 2 Panel On Roof Installation Package