Vaillant scheme. Note: No receipt will be issued. Immediate help If your Vaillant boiler develops a fault your first action should be to contact your installer, as his professional assessment is needed under the terms of our Guarantee.
Operation Initial checks before turning ON • Check the water contents of the system on the pressure gauge (4). Open the service valves • The needle on the pressure gauge should be within • Ensure the cold water service valve is open. This can the green band (between 1 and 1.5 bar).
The pump and Hint! fan will continue to operate for a short period. Vaillant offer room thermostat/time control accessories which give accurate and economic room temperature control as well as improved comfort. Ask your installer! Fig.
If the device still shuts off after a third attempt, then please consult your installer or Vaillant Service Solutions. Fig. B.11: Shutting down the unit completely • Turn the main ON/OFF control (2) to the „0“ position.
• Is the gas supply turned on? (see page 4) Vaillant Ltd. For further details please contact Vaillant • Is the water supply turned on? (see page 4) Service Solutions: 0870 6060777.
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