Viessmann Vitocrossal CM2 High Gas Pressure Switch Instructions
![Viessmann Vitocrossal CM2 High Gas Pressure Switch Accessory manual cover](/images/lAVGXpFIuTqoNHhKXxZgmtJG/thumbs/thumb175x175.webp)
To install the high gas pressure switch, first ensure the boiler is powered off. Locate the designated mounting point on the gas train. Secure the switch using the provided brackets and connect the wiring according to the installation manual.
The high gas pressure switch is a safety device that monitors the pressure of the gas entering the boiler. If the pressure exceeds a set limit, it will shut down the boiler to prevent damage or unsafe conditions.
To test the switch, simulate a high-pressure condition by slowly increasing the gas pressure. The switch should trigger and shut down the boiler. Reset the system afterwards to ensure it returns to normal operation.
If the switch keeps tripping, check for blockages or obstructions in the gas line, ensure the gas supply pressure is within specifications, and inspect the switch for any signs of damage. Consult a professional if the issue persists.
Regular maintenance should include checking the switch for physical damage and ensuring it is free from debris. An annual inspection by a qualified technician is recommended for optimal performance.
Yes, the switch can be adjusted, but it is crucial that adjustments are made by a qualified technician to ensure safety and compliance with local regulations.
Signs of a faulty switch include frequent tripping without cause, inability to reset, or visible damage such as cracks or corrosion. If any of these occur, the switch may need replacement.
No, bypassing the high gas pressure switch is not recommended as it compromises the safety of the boiler system. Always address the root cause of the issue instead.
A maintenance checklist should include inspecting the switch for damage, testing its operation, verifying electrical connections, and ensuring the pressure settings are correct.
Technical specifications can be found in the product manual or on the Viessmann website under the Vitocrossal CM2 documentation section.