Heat Pump Water Heaters

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Heat pump water heaters use electricity to move heat from one place to another instead of generating heat directly. Therefore, they can be two to three times more energy efficient than conventional electric resistance water heaters. To move the heat, heat pumps work like a refrigerator in reverse.

While a refrigerator pulls heat from inside a box and sends it into the surrounding room, a stand-alone air-source heat pump water heater pulls heat from the surrounding air and transfers it -- at a higher temperature -- to heat water in a storage tank. You can purchase a stand-alone heat pump water heating system as an integrated unit with a built-in water storage tank and back-up resistance heating elements. You can also retrofit a heat pump to work with an existing conventional storage water heater.

Heat pump water heaters require installation in locations that remain in the 40º&#;90ºF (4.4º&#;32.2ºC) range year-round and provide at least 1,000 cubic feet (28.3 cubic meters) of air space around the water heater. Air passing over the evaporator can be exhausted to the room or outdoors.

Heat pump water heaters will not operate efficiently in a cold space since they tend to cool the space they are in.  Installing them in a space with excess heat, such as a furnace room, will increase their efficiency.

You can also install an air-source heat pump system that combines heating, cooling, and water heating. These combination systems pull their heat indoors from the outside air in the winter and from the inside air in the summer. Because they remove heat from the air, any type of air-source heat pump system works more efficiently in a warm climate.

Homeowners primarily install geothermal heat pumps -- which draw heat from the ground during the winter and from the indoor air during the summer -- for heating and cooling their homes. For water heating, you can add a desuperheater to a geothermal heat pump system. A desuperheater is a small, auxiliary heat exchanger that uses superheated gases from the heat pump's compressor to heat water. This hot water then circulates through a pipe to the storage water heater tank in the house.

Desuperheaters are also available for tankless or demand-type water heaters. In the summer, the desuperheater uses the excess heat that would otherwise be expelled to the ground. With frequent operation during the summer, the geothermal heat pump may provide the majority of your hot water needs.  

During the fall, winter, and spring -- when the desuperheater isn't producing as much excess heat -- you'll need to rely more on your storage or demand water heater. Some manufacturers also offer triple-function geothermal heat pump systems, which provide heating, cooling, and hot water. They use a separate heat exchanger to meet all of a household's hot water needs.

Water Cycle Split Heat Pump Water Heater 

The split water heater adopts higher heating exchanger to provide you the most energy saving solution for sanitary hot water supply. With built-in water pump inside the outdoor unit, it is easy installation, just simply connect the water pipe and power, you can enjoy the constantly hot water supply for shower and bath. Suitable for villa, school, hotel, family, Spa and office.

Features:

• Mitsubishi or Panasonic Rotary type compressor, low vibration, low noise and high reliability. 

• Polyurethane insulated water tank.

• Intelligent EE valve, excellent efficiency at different ambient temperature. 

• Built-in famous water pump.

• Innovative W-A-R( Water, Air, Refrigerant) technology, higher efficiency up to COP 4.5.

• Energy saving up to 80% than traditional electric heater.

• Automatically defrosting.

Optional:

• Galvanized metal cabinet or stainless steel.

• R410a, R22, R407c refrigerant is available.

• Water tank volume options: 150/200/250/300/400/500L.

Specifications:

Water Cycle Split

 Heat Pump

Water Heater

Model
WBK003ARS8N WBK005ARS8N WBK007ARS8N Ambient Temp. Range &#; -15~+43&#; -15~+43&#; -15~+43&#; Rated Heating Capacity kW 3.7 5 7.5 COP W/W 4.25 4.35 4.38 Rated Power Input kW 0.87 1.15 1.71 Max. Running Current A 5.5 8.5 13.1 Power Supply / 220V 1N~50Hz
IP Code / IPX4
Safety Function /

High and Low Pressure Protection, Overload Protection, Temperature Protection

Refrigerant Type / R407C (R410A, R22 also available)
Compressor QTY pcs 1 Compressor Type / Scroll Max. Temp. Outlet Water &#; 60 Condenser Type / High Efficiency Tank
Waterpipe Nozzle Size inch G3/4" Internal thread G3/4" Internal thread G3/4" Internal thread Circulating Water Quantity m³/h 0.6 0.84 1.3 Air Out Type / Sideward
Fan Motor QTY pcs 1 1 1 Noise dB/(A) 51 53 54 Machine Dimension (WxDxH)) mm 750×264×505  930×282×550  ×300×620 Packing Dimension (WxDxH) mm 785×355×550 ×380×600 ×390×660 Net Weight kg 41 57 65 Gross Weight kg 46 63 72 Water Tank Volume
L 150L / 200L 150L / 250L / 300L 300L / 400L / 500L

Remarks:

1. Test conditions: dry bulb temperature 20°C/wet bulb temperature 15°C, initial water temperature 15°C/stop water temperature 55°C.

2. Models, parameters will be changed due to product improvements without notice. The specific parameters are based on the nameplate.

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16 Intelligent Protection Functions

Ground Protection

Overvoltage Protection

Leakage Protection

Temp Differential Protection

Hight Temp Protection

Losting-Phase Protection

Low-Voltage Protection

Dry Heat Protection

Over-Current Protection

Water Flow Protection

Intelligent Fault Automatic Detection

High/Low Voltage Protection

Automatic Monitoring

Communication Line Fault Protection

Frost Protection

Temp Sensor Fault Protection

How Does Heat Pump Work

The heat pump is an energy moving device.

• The refrigerant absorbs the free air source energy Q3 from the air by the evaporator.

• The compressor compresses the refrigerant into high temperature and pressure refrigerant via electric energy Q1.

• The heat energy Q4 transmits to water in the heat exchanger.

• According to the law of conservation of energy, heat energy Q4 = air energy Q3 + electric energy Q1.

Heat Pump Advantages

Safely

Energy Saving Up to 80% Adopt air source heat pump technology, not use hidden troubles created by electric heating and combustible gas for heating, separate water and electrics, safety is the greatest wealth for our life. Air source heat pump heats by absorbing the free energy surrounding air, without any waste emission, high efficiency and energy saving up to 80% compared with the traditional electric heating mode.

Comfort

Environmental Protection 24 hour unlimited central hot water system and floor radiant heating more comfortable for human body to supply a high quality life.

Heat comes from air for free of charge, no exhaust gas produced, use air source heat pump water heater and reduce CO2 emission and save the liquid gas and electricity source.

Protecting ecological sustainable development heat pump technology.

Intelligent Control Without Special Maintenance

Convenient Installation The heat pump equipment can realize automatic control without special maintenance, which saves the extra cost of manual maintenance. The installation site of the heat pump is convenient, so long as the air is fully flowing, such as the external wall, the roof or indoor is suitable.

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