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As an efficient and environmentally friendly heating equipment, Vaillant wall-hung boiler is widely welcomed. However, during use, the regulation of water pressure is essential. Too high or too low water pressure will affect the normal operation of the wall-hung boiler and may even cause safety issues. So, how to correctly adjust the water pressure of Vaillant wall-hung boiler?This article will provide you with detailed operation steps.
1. Confirm the water pressure status of the wall-hung boiler.
Before adjusting the water pressure, first check the water pressure gauge of the wall-hung boiler. Observe the position of the needle of the water pressure gauge to determine whether the current water pressure meets the standard. The normal water pressure value is generally 10-1.5 bar. If the pointer position is much higher than this range, a drain depressurization is requiredIf the pointer position is well below this range, hydration and pressurization are required.
2. Drainage and pressure reduction.
Turn off the power of the wall-hung boiler and make sure the equipment is in a power-off state.
Open the drain valve under the wall-hung boiler to drain the water. Pay attention to the change of the pointer of the pressure gauge when the pointer points to 10-1.When in the range of 5 bar, close the drain valve.
Turn on the power again, start the wall-hung boiler, and check if the equipment is operating normally.
3. Hydration and pressurization.
Turn off the power of the wall-hung boiler and make sure the equipment is in a power-off state.
Open the water injection valve under the wall-hung boiler and fill the system with water. Also observe the pointer change of the water pressure gauge when the pointer points to 10-1.When in the range of 5 bar, close the water filling valve.
Turn on the power again, start the wall-hung boiler, and check if the equipment is operating normally.
It should be noted that in the process of adjusting the water pressure, it is necessary to ensure that the wall-hung boiler is turned off to avoid unnecessary damage. In addition, if the equipment still does not operate normally after adjusting the water pressure, it may be due to other failures, and it is recommended to contact a professional for maintenance.
By following the above steps, you should have mastered the water pressure adjustment method of Vaillant wall-hung boiler. In daily use, it is advisable to check the status of the water pressure gauge regularly to ensure that the equipment is always in good operating condition. If you have any other questions or concerns, you can refer to the user manual of the wall-hung boiler or contact Vaillant customer service for assistance.