Marco MIX PB3, Руководство по обслуживанию

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1000870,871,875,878,879,880,887 MIX Service Manual.b
Page 37 of 69
8.13 De-scaling the tank:
Descaling the tank in the Mix range is a little different to other water boilers as the boiler now
includes a collapsible funnel for pouring in the pre-mixed descale solution.
1. Disconnect machine from mains power supply and water supply.
2. Allow machine to cool .
3. Remove Top Lid as per section 8.1
4. Drain off a sufficient amount water from the boiler that will be replaced by the descale solution,
through the drain hose – see section 8.3.
5. Remove the descale funnel bung.
6. Pull funnel into raised position.
7. Pour in descale solution slowly into funnel.
8. Allow descale solution to work for required time to dissolve scale – as per descale product
instructions.
9. Flush tank thoroughly to flush out limescale and descale solution though the drain hose before
re-use at least 4 times.
10. If limescale build up is severe, the Tank Lid Sub-assembly may need to be removed and large
deposits of scale removed by hand.