SEALED SYSTEMS
The Robokit Extra Sealed System Kit.
WHAT SHOULD I DO IF THE PRESSURE GAUGE SHOWS HIGH PRESSURE IN MY SEALED SYSTEM? If the pressure gauge indicates high pressure: • Check if the filling loop has been left open and is continually adding water to the system. • Inspect the expansion vessel for proper air charge; it may need to be recharged or replaced. • Verify that the pressure relief valve is functioning correctly and not blocked or faulty. WHAT COULD CAUSE THE BOILER TO MAKE UNUSUAL NOISES? Unusual boiler noises can be caused by: • Air trapped in the system, which can be released by bleeding the radiators and the system. • Low water pressure, which may need to be adjusted. • A failing pump or other mechanical issues within the boiler. • Scale buildup within the boiler or heat exchanger.
WHY IS MY EXPANSION VESSEL NOT WORKING CORRECTLY? Issues with the expansion vessel can include: • Loss of air charge in the vessel, which can be checked and recharged if necessary. • A damaged or worn-out diaphragm, which may require the vessel to be replaced. • Incorrect sizing of the expansion vessel for the system, which might necessitate installing a correctly sized vessel. WHAT SHOULD I DO IF THE SAFETY RELIEF VALVE IS DISCHARGING WATER? If the safety relief valve is discharging water: • Check the system pressure; it may be too high, requiring the system to be depressurised. • Inspect the safety valve for dirt or debris that may be causing it to stick open. • Ensure the expansion vessel is functioning properly, as an issue with the vessel can cause pressure fluctuations.
WHY IS MY SYSTEM NOT HEATING UP PROPERLY? Insufficient heating can be due to: • Air trapped in the system, which can be resolved by bleeding radiators and the system. • Incorrect system pressure, which should be checked and adjusted as necessary. • Blockages or sludge buildup in the pipes or radiators, which might require a system flush. • A faulty pump or other components that need inspection and potential replacement. WHAT SHOULD I DO IF THE PRESSURE GAUGE DOES NOT MOVE? If the pressure gauge is unresponsive: • Verify that the gauge itself is not faulty and is correctly connected. • Check the system pressure; if it is extremely low or high, the gauge might not register properly. • Inspect the connecting pipes and fittings for blockages or damage that could affect gauge readings. • If the gauge remains unresponsive, it may need to be replaced.
For further information, visit www.altecnic.co.uk
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