Mechanical Timer - Worcester Bosch - MT10

The MT10 Mechanical Timer is the simplest Worcester control device which plugs into the boiler via...

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Product Information

Full details

This guide is for users of the Worcester Bosch MT10 Mechanical Timer, a simple control device designed to manage your heating and hot water. The MT10 offers straightforward control over your boiler's schedule, helping you improve system efficiency and potentially lower energy bills. Please note that the MT10 is compatible with specific Worcester Greenstar gas-fired combination boilers; ensure compatibility with your system before installation.

All features

Model Part NumberMT10
BrandBosch

Extended Product Information

FAQs

How do I set the heating times?

Use the teeth on the dial to set the desired on/off periods for your heating and hot water. Each tooth represents a period of time, typically 15 minutes.

Is the MT10 compatible with all Worcester Bosch boilers?

No, it is only compatible with specific Worcester Greenstar gas-fired combination boilers, including i Junior, Si Combi, and CDi combi models.

How do I adjust the time on the clock?

Rotate the central dial on the MT10 to set the current time.

What happens if there's a power outage?

The MT10 may need to be reset after a power outage. Check the time and heating schedule after the power is restored.

Can I use the MT10 with an FR10 room thermostat?

Yes, the MT10 can be used in conjunction with the FR10 intelligent room thermostat for more advanced control.

Where can I find the MT10 manual?

Refer to the Worcester Bosch website or your boiler's documentation for the MT10 manual.

How do I know if my boiler is compatible?

Check your boiler's model number against the list of compatible models provided in the product information.

What should I do if the timer malfunctions?

Contact a qualified heating engineer to diagnose and resolve the issue. Do not attempt to repair the unit yourself.

Troubleshooting

Heating or hot water not turning on at the set time.

Check that the timer is set to the correct time and that the on/off periods are correctly programmed. Ensure the boiler is powered on and functioning.

The clock is not keeping accurate time.

Check the power supply to the boiler. If the issue persists, the unit may need to be replaced.

Pros and Cons

Pros

  • Simple to operate and understand.
  • Quick and easy installation process.
  • Helps improve system efficiency.
  • Potential for lower energy bills.
  • Offers precise control over heating and hot water schedules.

Cons

  • Limited to 24-hour programmable periods.
  • Not compatible with all Worcester Bosch boiler models.
  • Analogue clock may be less precise than digital timers.
  • Requires manual adjustments for seasonal changes.
  • Does not offer advanced features found in more sophisticated controls.

Setup, Compatibility & Care

Setup

  1. Compatibility Check: Confirm that your boiler is compatible with the MT10 (i Junior, Si Combi, and CDi combi models).
  2. Plug-in Installation: The MT10 plugs directly into the boiler via a pre-prepared plug and socket. No complex wiring is required.
  3. Setting the Time: Set the current time on the analogue clock.
  4. Programming: Use the teeth on the dial to set the desired heating and hot water on/off periods.

Compatibility

The MT10 is specifically designed for use with Worcester Greenstar gas-fired combination boilers. Ensure compatibility with your boiler model before installation.

Care

  • Cleaning: Clean the unit with a dry cloth. Avoid using liquids or harsh chemicals.
  • Maintenance: The MT10 requires minimal maintenance. Regularly check the time settings to ensure accuracy.

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