12 08/54070/0 (Issue 5)
8.2 Controller Overview
Before general use, please follow these important commissioning steps:
• Ensure boiler is connected to the mains water supply.
• Turn on the mains power and press and hold the power button for 10 seconds. The boiler
should begin filling and heating.
• Ensure boiler is set to 98˚C, fully drain the boiler contents from the tap and repeat. Boiler should
be fully drained twice before general use.