When a new house is renovated, some people will choose to install central air-conditioning. Some owners may not be eager to buy air-conditioners when they do not understand the situation. When they intend to wait for the installation of ceilings, they will buy a central air-conditioning installation. In fact, by that time it was too late to install, not only to remove the ceiling, but also to re-plan to make up for circuit defects. When we installed central air-conditioning, there were three time points that could not be delayed, namely, the purchase time, design time, and installation time. Let's take a look at these three time nodes now!
First, buy timeBefore the interior decoration, we must buy air-conditioning, because the central air-conditioning is different from other air-conditioning, before the decoration needs to design the shop line, in advance purchase, according to the model of the central air-conditioning design. Central air-conditioning is a large-scale temperature control device. It is best to purchase new houses according to the size of the new houses and the type of houses. Moreover, the central air-conditioning is hidden in the ceiling of the house. If central air-conditioning is not selected between the interiors, then the line cannot be designed. Therefore, before the renovation must be a good purchase of the appropriate central air-conditioning products, and according to the size of the house type and the use of needs, establish a good central air-conditioning host, indoor machine model, and prepare the relevant auxiliary materials, such as the condenser, brass and so on.
Compared with general air conditioning, central air conditioning has the advantage of being able to hide inside the ceiling and make it more beautiful. This kind of installation requires prior design. The design of the central air-conditioning should be coordinated with the interior decoration design, that is to achieve the hidden effect, but also beautiful and natural. The so-called “beautiful and natural†refers to the orientation of the indoor unit tuyere, the location of the host, and the direction of the pipeline, which are coordinated with the layout and decoration of the house. Here to consider the indoor interior height, housing units, decoration style and other issues.
After choosing a central air conditioner and designing a good fit, we have to carry out the most important step, namely installation! The quality of the installation has a great influence on the effect of the central air conditioning and the decoration effect. Before the installation of central air-conditioning, it is necessary to pre-arrange the strong wires required for use. Generally, after the demolition and renovation is completed, the factory can be arranged for door-to-door installation. The best time for central air-conditioning installation is: central air-conditioning and construction of water and electricity at the same time. This will facilitate the coordination of workers and cross-construction. After all the indoor units and walk-out pipes are completed, the whole or part of the ceiling is suspended to hide the indoor units and pipes so that the interior can be kept beautiful.
Regarding when the central air conditioner installed the relevant content, Xiao Bian introduced it to everyone here. If you plan to install a large temperature-controlled device such as a central air conditioner in your home, you must determine the installation time. Otherwise, once you miss the time, you will not be able to install it if you miss the time, and you may not be able to install it properly. For more information, please follow this site!
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A dumbwaiter is a small freight elevator or lift intended to carry objects rather than people. Dumbwaiters found within modern structures, including both commercial, public and private buildings, are often connected between multiple floors. When installed in restaurants, schools, kindergartens, hospitals, retirement homes or in private homes, the lifts generally terminate in a kitchen.
The term seems to have been popularized in the United States in the 1840s, after the model of earlier "dumbwaiters" now known as serving trays and lazy Susans. The mechanical dumbwaiter was invented by George W. Cannon, a New York City inventor. Cannon first filed for the patent of a brake system (US Patent no. 260776) that could be used for a dumbwaiter on January 6, 1883. Cannon later filed for the patent on the mechanical dumbwaiter (US Patent No. 361268) on February 17, 1887.Cannon reportedly generated a vast amount of royalties from the dumbwaiter patents until his death in 1897.
A simple dumbwaiter is a movable frame in a shaft, dropped by a rope on a pulley, guided by rails; most dumbwaiters have a shaft, cart, and capacity smaller than those of passenger elevators, usually 45 to 450 kg (100 to 1000 lbs.) Before electric motors were added in the 1920s, dumbwaiters were controlled manually by ropes on pulleys.
Early 20th-century codes sometimes required fireproof dumbwaiter walls and self-closing fireproof doors and mention features such as buttons to control movement between floors and locks on doors preventing them from opening unless the cart is stopped at that floor. Dumbwaiter Lifts in London were extremely popular in the houses of the rich and privileged. Maids would use them to deliver laundry to the laundry room from different rooms in the house. They negated the need to carry handfuls of dirty washing through the house, saving time and preventing injury.
A legal complaint about a Manhattan restaurant's dumbwaiter in 1915, which also mentions that food orders are shouted up and down the shaft, describes its operation and limitations as follows:
[There is] ... great play between the cart of the dumb-waiter and the guides on which it runs, with the result that the running of the cart is accompanied by a loud noise. The rope which operates the cart of the dumb-waiter runs in a wheel with a very shallow groove, so that the rope is liable to and does at times slip off. ... The cart has no shock absorbers at the top, so that when it strikes the top of the shaft or wheel there is a loud report. ... [T]he ropes of the dumb-waiter strike such wall at frequent intervals with a loud report. ... [T]he dumb-waiter is often negligently operated, by running it faster than necessary, and by letting it go down with a sudden fall.
More recent dumbwaiters can be more sophisticated, using electric motors, automatic control systems, and custom freight containers of other kinds of elevators. Recently constructed book lifts in libraries and mail or other freight transports in office towers may be larger than many dumbwaiters in public restaurants and private homes, supporting loads as heavy as 450 kg (990lbs)
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