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Comparison Cooper&Hunter CH-HP07UMPNK 7 kW vs Nibe F2040-8 8 kW

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Cooper&Hunter CH-HP07UMPNK 7 kW
Nibe F2040-8 8 kW
Cooper&Hunter CH-HP07UMPNK 7 kWNibe F2040-8 8 kW
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Main
The heat pump has 5 operating modes: heating, cooling, DHW, heating + DHW, Cooling + DHW. An inverter driven scroll compressor with EVI technology is used. Pipe connection diameter 1".
Heat sourceair-waterair-water
Suitable forheating and DHWheating and DHW
In box
In box
 
outdoor unit (monoblock)
outdoor unit
 
Specs
Operating modeheating and cooling
Max. heat output7.4 kW8.2 kW
Max. cooling output5.9 kW
Power consumption (heating)1.8 kW
Power consumption (cooling)2.3 kW
Power source230 V230 V
Minimum operating temperature-15 °C-15 °C
Max. water temperature60 °C58 °C
Compressor
inverter
 
Energy efficiency
t°C outside77
Supply t°C35 °C35 °C
COP4.114.65
t°C outside-15
Supply t°C45 °C
COP1.95
More specs
RefrigerantR410A
Noise level56 dB54 dB
Country of brand originUSASweden
Outdoor unit dimensions1048x1605x445 mm895x1035x422 mm
Outdoor unit weight70 kg90 kg
Added to E-Catalogjanuary 2020january 2018

In box

Indoor unit (hydromodule). The part of a heat pump that is installed indoors. By definition, it is included in the delivery set of "ground-water" units (see "Heat source") — the indoor unit, in this case, is the actual heat pump, only the collector and connecting pipes are brought out. But air models may not have this module.

Outdoor unit. It is not used in ground-to-water models. However, it is an almost obligatory element of a complete set for air-to-water units. Usually, the outdoor unit also includes a collector for heat extraction. However, there are air heat pumps that can be installed indoors, with air supply and exhaust through ventilation ducts. — however, for such models, only the indoor unit is indicated in the package, although the device can usually be installed outdoors. And there are even monoblock models that combine an indoor and outdoor unit in one case.

Water heater. A device for heating water and supplying it to the DHW system; see "Water heater" for details. The presence of a built-in water heater, on the one hand, simplifies the installation of the pump and eliminates the need to purchase additional equipment; on the other hand, when buying such a pump, you have to rely on the choice of the manufacturer, while an external water heater can be purchased separately.

Operating mode

Heating and cooling. Heat pumps that work on pumping heat in two directions. The main heating function is usually used for the water circuit of floor heating or radiator heating, and for cooling, such devices can replace fan coil units. It is worth noting that models with this mode can be used, for example, only for heating. For example, if the cooling system already exists, which will simplify the installation of communications in general.

Heating only. There are heat pumps that operate only in heating mode, which is important if the room already has an air conditioning system and cooling is not required.

Max. heat output

The maximum heat output generated by a heat pump is the amount of heat it can transfer from the outdoors into the heating system and/or domestic hot water.

The heat output is the most important spec of a heat pump. It directly determines its efficiency and ability to provide the required amount of heat. Note that this spec is shown for optimal operating conditions. Such conditions are rare, so the actual output heat is usually noticeably lower than the maximum; this must be taken into account when choosing. There are special formulas for calculating the optimal value of the maximum heat output, depending on the specific condition.

Max. cooling output

Maximum cooling output delivered by the pump.

The pump operates in the cooling mode removing excess heat from the room to the environment — it plays the role of an air conditioner. The required cooling capacity depends on the area of the building, the specs of its thermal insulation and some other factors; methods of its calculation can be found in special sources. Also note here that conventional heating equipment (radiators, underfloor heating) is not suitable for cooling, for this it is necessary to use special equipment (for example, fan coil units).

Power consumption (heating)

Electric power consumed by the heat pump when operating only for heat transfer, without the use of an additional heating element (if any, see below). The ratio of thermal power to power input determines the thermal coefficient COP (see below) and, accordingly, the overall efficiency of the unit. It also affects overall power consumption (and therefore electricity bills), as well as some power and connection requirements — for example, models powered by 230 V and with a power of more than 5 kW cannot work from an outlet and require a special connection to the mains.

Power consumption (cooling)

For more information on power consumption, see the paragraph above. Here is indicated the consumption of electricity during operation in the cooling.

Max. water temperature

The highest temperature to which the pump can heat the coolant. It is worth noting that such indicators can be achieved at a fairly high temperature of air or ground. And since heat pumps are used during the cold season, the actual maximum temperature, usually, is less than theoretically achievable. Nevertheless, this parameter makes it possible to evaluate the capabilities of the unit or its suitability for certain tasks.

Compressor

The compressor is the main element, the "heart" of the unit: it circulates the coolant through the heat pump circuits and transfers heat from outdoors to the room. Knowing the name of the compressor, you can find detailed information about it and find out some features of the heat pump as a whole. Note that the name is usually indicated if the device uses a high-end compressor, often an inverter one.

— Inverter. The presence of a compressor with inverter power control in the heat pump. Models without an inverter have only two modes of operation — either on or off; and the set intensity of heating/cooling is provided by turning the compressor on and off for certain periods. In turn, the principle of inverter control is to smoothly change the compressor power, which avoids constant switching on and off. It provides many advantages: minimal wear, no power surges and unnecessary load on the electrical mains, as well as a comfortable (low and stable) noise level.

COP

The COP (coefficient of performance) is a key characteristic that describes the overall efficiency of a heat pump. It represents the ratio between the thermal power and power consumption of the unit (see above) – in other words, how many kilowatts of thermal energy the pump produces per 1 kW of electricity consumed. In modern heat pumps, this figure can exceed 5.

However, note that the actual COP value may vary depending on the outside temperature and the supply temperature. The higher the difference between these temperatures, the more resources are needed to “pump” thermal energy and the lower the COP will be. Therefore, in the specifications it is customary to indicate the COP value for specific temperatures (and in many models – two values, for different options) – this allows you to evaluate the actual capabilities of the unit.
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