| Currently, the market Sell Home Solar water | | | | general standard is appropriate. In addition, the |
| heaters Variety, in accordance with the Solar | | | | nominal water capacity of many products is by |
| Energy To distinguish between types of collectors | | | | calculating the capacity of each tube and the |
| can be divided into vacuum tube and a plate; in | | | | water container capacity calculated from the sum, |
| accordance with the structural distinction can be | | | | but in fact the following water heater and vacuum |
| divided into integrated and split; in accordance with | | | | tube outlet water is not released for use, the |
| the distinction between production process can be | | | | user truly The water is only used to the inlet and |
| divided into pressurized and non-pressurized. | | | | the overflow of water between the mouth, so in |
| Currently, the market for solar home Water | | | | choosing vendors should be asked clearly, their |
| heater The most common type of household | | | | nominal water capacity refers to the capacity of |
| most non-pressure vacuum tube solar water | | | | all the water is actually available water capacity, |
| heaters. We buy home solar water heater should | | | | the difference between the two. |
| note the following: | | | | 7. If you buy enough of household solar water |
| 1. Thermal performance indicators, "the average | | | | heater need to configure the electric heating |
| daily efficiency," the higher the better, "the | | | | device should be selected with Electric Product |
| average heat loss coefficient" lower the better. | | | | safety design. |
| 2. A key component of domestic solar water | | | | 8. The purchase of other related accessories, |
| heater is the all-glass vacuum tube solar collectors | | | | such as automatic water feeding device, |
| (the vacuum), vacuum tube quality directly | | | | temperature and water level indicator, Solenoid |
| affects the performance of domestic solar water | | | | valve And so the choice for these devices should |
| heaters. Purchase within the glass tube should be | | | | be careful, some features seem advanced, but |
| closely observed on the coating, which is called | | | | too many component parts, reliability is not high, |
| solar selective absorbing coating layer coating, as | | | | over time, it is easy to go wrong, a choice sure |
| the manufacturers of different manufacturing | | | | to ask life and warranty. |
| process, coating color will be different, but usually | | | | 9. Buy a home well after the solar water heaters, |
| black, deep blue or dark gray color uniform | | | | the installation process should pay attention to |
| coating of good quality, Membrane Layer no | | | | whether the installation bracket firm, all bolts and |
| scratches, no peeling or shedding phenomenon, | | | | fittings are tightened, the upper and lower pipe |
| the glass section and no stones or tumors | | | | installation location is reasonable, water heater |
| phenomenon, supporting the supporting pieces of | | | | itself has reinforced measures, etc. . In addition, |
| glass placed in correct, not loose. | | | | Sheung Shui pipe must be installed only back into |
| 3. Buy vacuum tubes should also pay attention to | | | | the unit to prevent water reflux, flow backward |
| spacing between the pipes, the general two | | | | into the cold water pipe. |
| around the center distance is appropriate in | | | | 10. Domestic solar water heaters after-sales |
| 70mm. | | | | service is also very important. Select the best |
| 4. Stent design for domestic solar water heaters | | | | known brands of products and good after-sales |
| should be reasonable and should have sufficient | | | | service dealers. Because domestic solar water |
| strength and rigidity to ensure an adequate | | | | heaters are durable consumer goods, and usually |
| load-bearing capacity. Daily wind in some large | | | | installed in the roof, once a fault, the user is |
| regions, especially coastal areas, in the purchase | | | | difficult to themselves, so after-sales service |
| of household solar water heater should also note | | | | must be protected. Currently, the market |
| that the product is designed to have wind | | | | machine free warranty period is generally 3 to 5 |
| resistance. | | | | years. |
| 5. Currently on the market, domestic solar water | | | | 11. As domestic solar water heater is installed |
| heater reflectors variety of forms, with flat | | | | outdoors, prolonged use, the vacuum tube will be |
| reflectors, curved reflectors, embossed aluminum, | | | | contaminated dust or impurities, resulting in lower |
| etc., in the purchase of the reflectors should pay | | | | heat-absorbing efficiency. Therefore, the vacuum |
| attention to product design can fully use of the | | | | tube on the water heater should be cleaned |
| vacuum tube absorber, the greatest degree of | | | | regularly, especially in the winter snowy regions, |
| vacuum can be light. | | | | snow is more need for timely clean up after. |
| 6. In the purchase consideration should be given | | | | Affected by the housing design as their own can |
| permanent home in the population, to determine | | | | not be cleaned, should ask dealers, after-sales |
| the capacity to buy water for household solar | | | | service is included in a regular cleaning. |
| water heater size. 40 liters of water per person a | | | | |