Bosch 30" Single Wall Oven Gebrauchsanweisung und Handbuch für die Kundenbetreuung - Seite 9

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General notes

With all mains fed systems the flow of water from individual taps

will vary with the number of outlets operated simultaneously and

the cold water mains supply pressure to the property.

Flow balancing using "ball-o-fix" type valves is recommended to

avoid an excessive reduction in flow to individual outlets.

For further information contact Worcester Heat Systems Ltd.

Technical Services Department.

Hot and cold flow – Combination Boilers

The flow of water demanded from both hot and cold service out-

lets is dependent upon the mains supply, it may not be possible in

some installations to operate all outlets simultaneously.

Water mains failure – Combination Boilers

If there is a failure of the mains water supply then no water will be

available at a tap or shower until the mains supply is restored. The

appliance will still operate in the central heating mode.

Use in hard water areas – Combination Boilers

In exceptionally hard water areas a device to prevent scale forma-

tion may be fitted. Installation of a scale inhibitor assembly should

be in accordance with the requirements of the local water com-

pany. An isolating valve should be fitted to allow for servicing.

Alternatively the maximum temperature of the domestic hot water

may be reset to about 45 °C which will reduce the risk of scale

formation in these hard water areas.

Ventilation

This is a room sealed appliance and does not require any air for

combustion from inside the house. If the appliance is fitted into a

cupboard or a compartment is built around the appliance after

installation then the compartment must be separated from the

boiler space by a perforated non-combustible partition as

described in BS 6798.

Notwithstanding the requirements of BS 6798, there is no need

for ventilation openings to be provided in the compartment

because of the low heat loss from the casing.

6 720 610 598 GB (03.11) TD