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Power Adjustment; Temperature/Flow Adjustment; Purge The Appliance; Cleaning - Bosch WR11B series Installation Manual And Operating Instructions

Gas instantaneous water heater
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Turning off
B Press the switch
, position
3.4

Power adjustment

Lower water temperature.
Less power.
Fig. 8
Higher water temperature.
More power.
Fig. 9
3.5

Temperature/flow adjustment

B Turn anti-clockwise
Increases flow and decreases water temperature.
Fig. 10
B Turn clockwise.
Decreases flow and increases water temperature.
Regulating the temperature to the minimum required
value reduces energy consumption as well as the
.
possibility of limescale deposits in the heat exchanger.
3.6
If there is a risk of freezing, proceed as follows:
B Remove the retaining clip from threaded bushing
B Remove threaded bushing ( Fig. 11, pos. 2) from
B Empty the appliance of all water.
Fig. 11
1
2
3.7
B Clean the front cover using a damp cloth and

Purge the appliance

( Fig. 11, pos. 1).
water valve.
1
2
Purge
Retaining clip
Threaded bushing

Cleaning

detergent.
Do not use abrasive or corrosive cleaners.
Use | 11
6720617434-02. 1 Av
6 720 648 592 (2011/06)

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