Activating The Key Pad Lock - Bosch Greenstar ZBR16-3A Operating Instructions Manual

Frost protection of the DHW tank:
▶ Turn the DHW thermostat
Fig. 10

4.9 Activating the key pad lock

The key pad lock affects the supply temperature dial, the DHW thermostat, the
service button and the ECO button.
Activating the key pad lock:
▶ Press the key pad lock button until
alternating on the display.
Fig. 11
Unlocking the key pad:
▶ Press the key pad lock button until the display shows only the supply
temperature.
6 720 818 061 (2015/11)
counterclockwise to min (59 °F (15 °C)).
3 4
2 5
1 6
max
3 4
2 5
1
6
max
reset
eco
3
e
2
1 6
min max
and the heating supply temperature are
reset
eco
3 4
e
2
6
1
max
min
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Operation | 21
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Greenstar