2012年3月29日星期四

How to choose a wonderful heat pump water heater

The composition and function of heat pump water heater
Air source heat pump water heater is composed mainly of two parts: First, air source heat pump main unit, also known outside host machine, and its shape and structure essentially same as the outdoor unit of the air conditioners, mainly composed by the compressor and the evaporator. Heat exchange between Medium and the air by the host machine, media will quickly evaporate vaporization absorbs heat in the air, which is the essence of eletricity saving of heat pump water heater . Second, the tank of heat pump water heater, it’s functions similar to the other type water heater tank, hot water is reserved, but the structure and size is different, there are different length brass hovering in the internal air source heat pump water heater tank, high temperature medium flowing through the copper tube to exchange heat between high temperature working fluid and water in the storage tank.

Meanwhile, heat pump water heater tanks are generally pressurized liner, you can ensure that when the water pressure sufficient to carry out the central heating water. In addition, between the tank shell and the liner is made of high density polyurethane foam for the constant temperature constant pressure quantitative treatment, to ensure good insulation effect, is the best insulation method.

Different power of air source heat pump water heater
Air source heat pump water heater, under the same refrigerant and compressor and configuration and same technology and other related circumstances hosts, the power greater, the heating faster, more efficient and convenient in use. Power consumption will not cause the difference, because the same amount of heat required to heat hot water is same value, the difference is how long to make water hot, of course, the prices of large power machines more highter than the small power. Many friends have mistakenly thought that the machine will result in large power consumption increases, which is a recognition on the small errors.

Applicable specifications of heat pump water heater.
 Everyone’s habit of using hot water is not the same! Some people like to bath water tap has been open all the time, some people click on the red smear soap or shower gel and other toiletries, so that a big diffience. And some people take a bath time is very short, only a few minutes, but some people it is necessary to fully enjoy the fun of bath, time to reach more than 30 minutes. Usually a shower with hot water about 30-40 liters of water, take a hot bubble bath 80-100 liters. Three to four people small household if only take shower, 100 liters water tank capacity is enough to use; five or six people household 150 liters water tank is enought; while the family have a bathtub at least 200 liters of water tanks used to meet, home heat pump storage tank there are 260 l water tank, 320 liters, 400 liters capacity of 500 different upgrades. But in fact we will use water when more than calculated, because there is no washing, laundry and other areas with hot water into account. Modern standard of living has been greatly improved than in the past, and with hot water good for health promotion but also accepted by the majority of people, affect our hot water use from an objective view. If the family’s economic condition is fine, we recommend using bigger water heater. Capacity are mentioned here refers to the actual water tank capacity, to deduct insulation thickness, however, many brands of air source heat pump water tank nominal capacity is not real, the calculation is very simple cylinder volume (area square multiplied by the height).


Technical parameters of heat pump water heater
About the compressor of the air source heat pump water heater, the air source heat pump water heater designed to achieve high efficiency, and stable and durable. Air source heat pump water heaters are generally required to use brand-name compressor, because the key to a good quality compressor core technology in the foreign manufacturers are more well-known manufacturers, quality and service guaranteed. A good quality products it needs is a good composite indicator, we know the composition of the heat pump compressor, a control system, there is the evaporator, a condenser, a water tank, a steel material, a welding process, a sheet metal process , there must be follow-up professional installation and quality service to form a good quality product. If anyone thinks they have a healthy heart is healthy on the identification, it is very ridiculous! In addition to heart because you, you have other body systems and organs; the central nervous system, a brain, a limb, there are facial features, there are internal organs, and bones, etc., any system or organ lesions so that people can not be called healthy.


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