How to refill Haier wall-hung boiler
With the arrival of winter, the frequency of use of wall-hung boilers gradually increases, and water replenishment is an important part of daily maintenance of wall-hung boilers. This article will introduce in detail the water replenishment method of Haier wall-mounted boiler, and attach relevant data to help users operate it better.
1. The importance of replenishing water for Haier wall-hung boilers

During the operation of the wall-mounted boiler, the water pressure will fluctuate due to heating and cooling. If the water pressure is too low, the wall-mounted boiler may not work properly; if the water pressure is too high, the equipment may be damaged. Therefore, regular inspections and refilling of water are key to ensuring the efficient operation of your wall-hung boiler.
| water pressure status | influence |
|---|---|
| Below 0.8bar | The boiler may not start |
| 1.0-1.5bar | normal range |
| higher than 2.5bar | May damage equipment |
2. Steps to replenish water for Haier wall-mounted boiler
The following are the specific steps for replenishing water in Haier wall-hung boilers:
1.Turn off the power to the wall-hung boiler: Before replenishing water, make sure the wall-hung boiler is turned off to avoid accidents during operation.
2.Find the refill valve: The refill valve is usually located at the bottom of the boiler and is a black or blue knob labeled "Refill".
3.Open the water replenishment valve: Rotate the water replenishing valve counterclockwise. After hearing the sound of water flow, observe the pressure gauge.
4.Observe the pressure gauge: When the pressure reaches 1.0-1.5bar, close the water replenishment valve clockwise.
5.Restart the boiler: After water replenishment is completed, restart the wall-mounted boiler and check whether it is operating normally.
| steps | Operation |
|---|---|
| 1 | power off |
| 2 | Find the refill valve |
| 3 | Open the water replenishment valve |
| 4 | Observe the pressure gauge |
| 5 | Close the water replenishment valve and restart |
3. Precautions for hydration
1.Avoid frequent rehydration: If the wall-mounted boiler requires frequent water replenishment, there may be a water leakage problem in the system. It is recommended to contact a professional for inspection.
2.Do not leave while hydrating: Pay close attention to the pressure gauge during the water replenishment process to avoid excessive water pressure.
3.Use pure water: It is recommended to use purified water or softened water to avoid scale clogging of pipes.
4. Frequently Asked Questions
Q: What should I do if the wall-mounted boiler still cannot be started after replenishing water?
A: It may be a pressure sensor failure or other problems. It is recommended to contact the Haier after-sales service center.
Q: What should I do if the water replenishment valve cannot be tightened?
A: Do not forcefully twist it. The valve core may be rusted. It is recommended to use lubricant or contact a professional to handle it.
| question | solution |
|---|---|
| Cannot start after replenishing water | Contact after-sales |
| The water replenishment valve cannot be turned on | Use lubricant or contact a professional |
5. Summary
The water replenishment operation of Haier wall-hung boiler is simple, but attention should be paid to the water pressure range and operation details. Regularly checking the water pressure and replenishing the water correctly can extend the service life of the wall-mounted boiler and ensure the comfort of winter heating. If you encounter a problem that cannot be solved, it is recommended to contact professional maintenance personnel in time.
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