REMEHA BL 150-2, Инструкция по установке, эксплуатации и обслуживанию

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6.5 Descaling
In regions with hard water, annual descaling of the appliance is
recommended in order to maintain its performance.
1. Remove the inspection hatches.
¼
See chapter: "Removing the inspection hatches", page
24.
2. Check the magnesium anode each time the hatch is opened.
¼
See chapter: "Checking the magnesium anode", page 23.
3. Remove limescale deposits in the form of sludge or strips in the
bottom of the tank. On the other hand, do not touch limescale
adhering to the walls of the tank as it provides effective protection
against corrosion and improves the insulation of the DHW
calorifier.
4. Remove limescale deposits from the exchanger to guarantee its
performance.
5. Fit the unit together.
¼
See chapter: "Remounting the inspection hatches", page
25.
6.6 Removing and remounting the inspection hatches
CAUTION
To guarantee tightness, the gasket unit must be replaced
each time the hatch is opened.
4
Use a new lip gasket and retainer ring for the top
inspection hatch.
4
Have a new gasket on hand for the side inspection
hatch.
6.6.1. Removing the inspection hatches
1. Turn off the domestic cold water inlet.
2. Drain the calorifier.
The domestic cold water inlet is also the drain opening.
3. Remove the inspection hatches.
BL 150...500-2 6. Checking and maintenance
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