Although many households now use gas water heaters, most households also have solar water heaters. As the usage time becomes longer and longer, you will find that the hot water from the solar water heater is not as hot as before. When this happens, it means that the solar water heater needs to be cleaned. you how to clean it.
1. Drain the water heater
Drain all the water from the solar water heater first to avoid splashing or even being burned by water from the water heater during disassembly and cleaning.
2. Disassemble the water heater
It is better to prepare a pair of thicker gloves when disassembling the water heater, because the water heater pipes have good heat absorption properties, so avoid touching them with bare hands, time has been burned.
After wearing gloves, remove the dust ring from the solar water heater pipe. If he is nott not convenient to disassemble, you can use a plastic piece to scrape the dust ring along the dust ring gap; be careful not to touch the glass water pipe during operation to avoid damage to the water pipe. Be careful when removing water lines and don't use too much force. Some water lines are more difficult to separate after prolonged use. Don't worry and patiently remove the water pipes one by one and store them. .
3. Clean the collector tube
Usually, after removing the glass collector tube, you can hear a clicking sound inside. Slowly raise the collection tube and shake it. the inside is poured. If scale is stubbornly attached to the inner wall of the pipe, you can use a water pipe to remove the scale inside through water flow. Be careful not to hold the water hose and applyUse pressure when rinsing to avoid damaging the collection tube.
If clean water fails to remove the scale, you can pour a little descaling agent into the collection tube, wait for a while, then rinse it with clean water to remove the scale. tartar inside.
It is best to clean not only the collection tube, but also the water tank of the solar water heater together. The water tanks of many water heaters are removable. After detaching the water tank, use a stick to remove the scale little by little. If the water tank cannot be separated, first use a curved stick to clean visible scale, and then use scale remover for further cleaning.
After cleaning the water tank and collection tube, clean the seal ring and dust ring. After cleaning, slowly install the accessories according to the disassembly steps.
WhatAbove are some personal suggestions made by the editor on cleaning solar water heaters. I hope they can be of great help to everyone.
The steps of solar cleaning and descaling are as follows:
①Open the solar water inlet and pour in the descaling liquid. The quantity depends on the solar water capacity. water heater;
② After pouring the descaling liquid, let the water heater circulate naturally for about half an hour, so that the descaling liquid comes into contact evenly with all parts of the water heater
④Preliminary cleaning and descaling in the vacuum tubes;
⑤Individual cleaning and descaling of the vacuum tubes;
⑥Descaling liquid containingu scale in the vacuum tubes;
⑦Clean the vacuum tube several times for descaling;
⑧Close-up of the scale on the vacuum tube;
⑨After descaling, install the vacuum tube and debug the system, add and drain water for flushing, cleaning ends.
Instructions for descaling evacuated tube solar water heaters
① It is best to use the water from the water heater the day before and to clean it the day before. morning, which will not cause The vacuum tube heats up a lot;
② It is best to use diluted hydrochloric acid liquid for descaling
③Be sure to wear gloves during the cleaning process; to prevent the vacuum tube from suddenly breaking and scratching your hands or getting burned;
④ After cleaning is completed, test the water in the system to ensure there are no problems before the cleaning job is completed.