A water cooler is an appliance that dispenses water for drinking and kitchen use after cooling it. The principal advantages of a water cooler include multiple servings of water with a fresh taste. The bottleless variety of water coolers are connected to the main drinking water supply, whereas the freestanding bottled water coolers have steel reservoirs attached to bottles of varied dimensions. If you notice that your water cooler does not dispense ice-cold water, there are steps you can take to make your water cooler colder.
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Keep the cold power button on at all times. This will ensure an unremitting supply of colder water. Turning the button off every now and then increases the burden of the cooling compressor to lower the temperature of the water in the reservoir; this lowers the machine's efficiency.
You can also set the number shown by the temperature controller at the back of the processor higher to make the cooler give out water colder than the factory-set temperature.
Keep a distance of about 6 inches between the wall and the cooler's rear side. The water cooler tends to serve warmer water if kept very close to the wall.
Place the cooler in a well-ventilated spot. Avoid keeping your water cooler near a stove or exposed to sunshine near a window to protect it from high temperatures.
For point-of-use (bottleless) water coolers, ensure that the pipe work that connects the cooler to the main water supply does not run along warmer areas of the house.
Have your water cooler checked and possibly serviced by your water cooler vendor or a refrigerator and air-conditioning service person to ensure that your cooler has sufficient refrigerant. Your water cooler may not provide very cold water if it has an insufficient supply of refrigerant.
Clean the condenser wire, on the back of the cooler, every three months. Use a vacuum cleaner for this purpose. A dusty and dirty condenser wire may be the culprit.
Cover the water bottle with an inexpensive water bottle cover or hood. This will protect the water from heat from the sunlight or from fluorescent or incandescent light bulbs that you use to light your home.
Turn the hot water button off. When your water cooler has to make hot water, the heat from the hot water will not allow your cold water to be its coolest.