Domestic Household Air Conditioning System Performance Profile - Household Air Conditioning,

< BR> residential sub-

< BR> residential sub-

Household air conditioning

Winter heating system can

Heating

, But also air conditioning in summer.





1, household gas air conditioning gas air conditioning is the household use of gas as an energy source for cooling, heating facilities. Usually there are three types, namely, lithium bromide absorption air conditioning, ammonia absorption air-conditioning and gas heat pump gas. Lithium bromide and ammonia absorption gas air conditioning is the use of gas combustion, so that working pair (such as water - lithium bromide working pair) of the mass fraction of the changes in the refrigerant cycle to achieve, and are called absorption gas air conditioning. Gas heat pump with electric heat pumps currently on the market theory as to substitute for the refrigerant Freon or to gas engines as the driving force for refrigeration. Currently on the market for lithium bromide absorption air-based gas, usually talking i.e. gas lithium bromide absorption air-conditioning gas air conditioning, ammonia absorption gas air conditioning and heat pump applications are seldom. It is worth noting, because more electricity in summer air-conditioning, which led to electricity supply shortages, and reduce gas consumption led to a large number of surplus gas in the summer, using gas air conditioning can reduce power consumption in summer, reducing the peak power increase of gas consumption, gas filled low achieve energy balance, the effective use of national infrastructure, improve the use of funds.



2, air-source heat pump heating system is widely applied in the residential air-source heat pump air conditioning, most of it was known as the manufacturers and developers

Residential Air Conditioning

Or home central air conditioning, generally refers to the household as a unit focused set of air source heat pump. Currently, residential central air conditioning in the multi-

Room

Housing and wider application of a small villa, there are three main types: (1), household air-cooled heat pump type air-conditioning delivery

Fans

Group focused to produce heat (cold) air by ventilation into the room, compared to other household air conditioning heating system, which means less investment, and inject a new style of indoor and outdoor air circulation can be achieved, the room was no temperature difference, as improving the ecological environment of residential indoor air and thermal environment, effective technical means, but

Building

Storey duct layout requirements to be met. Fangzhuang Fang Guyuan such as Beijing, Beijing Dragon Villas. (2), air-cooled heat pump chiller, focused to produce heat (cold) water, and sent to the room fan coil heating (cooling), which means easy to control, matching the number of terminals and flexible, but there is condensed water discharge and water leakage problem. Such as Beijing River Garden. (3), VRV central air conditioning inverter is a fluorine Leone directly by the cooling and heating heat pump air conditioning, an outdoor unit with a number of indoor unit, each room controlled separately.



3, water source heat pump heating system



Water source heat pump for residential application in the whole building or district is usually a large central air conditioning units, heat can make use of low-grade waste heat, waste heat, electric hot water heating or urban heating networks, has two kind of systematic approach: closed water loop water source heat pump central air conditioning system (the central water source heat pump heat exchanger stations with decentralized units) and the central water source heat pump cooling

Hot water system

(Major source heat pump plus indoor fan coil). Water source heat pump (heating and air conditioning) system, is electricity as power, water as cold (hot) source. Compared with air source heat pump coefficient of performance is high and unaffected by temperature, is more suitable for northern areas. For example, Jinan Shun Lake community, Beijing Huating home. More applicable to the current water source heat pump water heating system is a closed loop water source heat pump system, which is a dual-tube closed water system, parallel connection of residential buildings located in each household's water source heat pump units, units with a cycle of summer ends water cooling, and winter heat removed from the circulating water. Indoor air flowing through the indoor unit side heat exchanger (evaporator in summer, winter

Condenser

), The through the main room into the duct system for air conditioning and heating. The system is installed in the indoor thermostat to unit commitment and adjust room temperature, and measured separately.



Closed water loop without heat, almost all the piping in the building, and the circulating water temperature is moderate, not in the control surface condensation of water or a lot of lost heat.



Water source heat pump is characterized by decentralized, divided into the main requirements for the extension of each air conditioning, a system to achieve the following advantages: (1), high efficiency water source heat pump to save energy with the ratio air-cooled heat pump's efficiency, it can reduce power consumption. Compared with conventional central air conditioning system with the characteristics of flexible regulation, will not be 12 to start the use of the central air conditioning system, resulting in waste of energy. (2), water source heat pump can be charged by operators and users to connect individual meters pay by the user's own air conditioning and heating tariffs.




by: gaga

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