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Instruction manual SGE 101
s
Take the rate of scale formation into account when deciding on the service
interval. Scale formation depends on the local water composition, the water
consumption and the water temperature setting. A water temperature setting of
maximum 60°C is recommended for the prevention of excessive scale build-up.
To guarantee a good, watertight seal around the cleaning opening, replace the
gasket, washers, bolts and, if necessary, the lid with new parts before
reassembly (see the figure). A special set is obtainable from the
supplier/manufacturer.
To simplify descaling and cleaning of the tank, the water heater is equipped with
two cleaning openings.
1. Remove the cover plate (1) on the outer jacket (see the figure).
2. Undo the bolts.
3. Remove the cover and the gasket.
4. Inspect the tank and remove the loose scale deposits and contamination.
5. If the scale cannot be removed by hand, descale the water heater with a
descaling agent. Contact the supplier/manufacturer for advice on what
descaling agent to use.
6. Close the cleaning opening. To avoid damage to the tank, tighten the bolts
that fasten the lid with a torque no greater than 50 Nm. Use suitable tools for
this.
15.3.3 Clean condensation water discharge
To prevent blockages, it is essential to clean the condensation water discharge
and condensation trap regularly.
15.4 Gas-side
maintenance
15.4.1 Introduction
The following steps must be carried out on the gas side:
1. Cleaning the burner
.
2. Clean heat exchanger
.
3. Finalizing maintenance
.
15.4.2 Cleaning the burner
1. Detach the burner.
2. Remove all contamination present on the burner.
3. Fit the burner.
1
IMD-0080 R1