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Hot Water Heat Pump Solutions
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Mitsubishi Electric Hot Water Heat Pump Systems are designed to fulfil a large variety of hot water requirements.
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Spa Pools
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Spa pools consume more power when compared to standard swimming pool applications, as the water
temperature and potential heat losses are higher. Installing a Hot Water Heat Pump to an existing spa
pool can significantly reduce your heating costs. The resulting reductions in power consumption can be 3
to 4 times lower during winter, and 5 times lower during summer due to warmer outdoor temperatures.
When connecting a Mitsubishi Electric Hot Water Heat Pump to a spa pool it is recommended that a
secondary heat exchanger and circulating pump be installed to prohibit corrosion caused by any
aggressive chemical treatment in the water.
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Swimming Pools
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Many swimming pools are used in only the warmest summer months and often remain unused for
the rest of the year. Installing a Hot Water Heat Pump can enable you to enjoy your swimming
pool year-round!
When connecting a Mitsubishi Electric Hot Water Heat Pump to a swimming pool it is recommended
that a secondary heat exchanger and circulating pump be installed to prohibit corrosion caused
by any aggressive chemical treatment in the water.
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Underfloor Heating
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Under Floor Heating Systems are used in many new homes to heat either the entire home,
or in specific areas as required. These systems use warm water circulated through pipes
buried in the floor slab and deliver radiant energy to heat the rooms, providing the
ultimate in comfort for the occupants.
Connecting a Mitsubishi Electric Hot Water Heat Pump to an Underfloor Heating
System is simple, as most Underfloor Heating Systems include the necessary in-floor
water pipes, distribution manifolds, pumps and controls. The water from the Hot
Water Heat Pump is piped to the underfloor heating panel, and is circulated through
the Under Floor Heating System. The heating temperature is controlled by either
the underfloor system controller, which is supplied by the heating installer, or by the
Mitsubishi Electric Hot Water Heat Pump wall-mounted controller which provides
individual system set up requirements.
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Heating of Sanitary Hot Water
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The new Mitsubishi Electric PWFY-P~AU and PWFYP~BU Water Heating Units allow water to be preheated
and even heated by using the waste heat energy normally lost into the atmosphere from a commercial air
conditioning system. It is also possible to provide the same heating from a stand alone PWFY system
to heat water up to 70°C. Depending on the system required and whether an existing system is
used to recover energy, this offers energy savings from 300 – 550%.
Even a basic PWFY system will provide rapid payback on capital investment through
the significant running cost savings. These systems require engineering input from a
Mitsubishi Electric Specialist.
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Specialist Applications
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Hydroponics
Most hydroponic growing systems require the water or nutrient solutions to be heated to a specific
temperature dependant on the crop. The heated water is then pumped around the growing beds to provide
both heat and nutrients to the plants. As the Heat Pump controller can be set to accurately control the
water temperature, sensitive crops are easily cared for. With the ability to alter the temperature remotely
the Heat Pump can be interfaced with most green house controllers and hydroponic growing systems.
The advanced “Eco Mode” allows flow temperature compensation based on outside air temperature to
ensure the highest possible energy efficiency.
Aquaculture
Aquaculture systems often require both heating and cooling depending on the species and time of year.
For example, Paua cultivated on land and indoors will require some heat in winter and often an amount
of cooling in summer time. All of the PUHZ and the PWFY-P~AU models can provide either heating
or cooling as required. The range of units provide capacities from 4.5kW up and the modular design
means there is no maximum capacity!
Water Chilling
Water chilling is available down to a flow temperature of 6°C and from a capacity of 4.5kW to 14kW in the
PUHZ range and from 20kW up in the PWFY range. The systems require external pumps and, depending
on application, a brine or antifreeze solution will be required to prevent freezing of the plate heat exchanger.
Applications include small process cooling, liquid data cooling and even chilled water for selected fan coil
units These systems require engineering input from your Mitsubishi Electric Specialist.
Other
Hot Water Heat Pumps can be used for any application where water is required to be heated or cooled within
the capacity and temperature range of these units. The PUHZ is a unitary product where as the PWFY range
is unique as it can be stand-alone or part of a larger air conditioning system. Its modular design means it can
be applied collectively to give the correct capacity for any application.
Please contact your Mitsubishi Electric City Multi Specialist for a unique design solution.
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