Bosch Greenstar Owner's Manual
Table Of Contents
- Contents
- 1 Key to symbols and safety instructions
- 1.1 Key to symbols
- 1.2 Safety instructions
- 2 Information about the appliance
- 3 Preparing the appliance for operation
- 4 Operation
- 4.1 Overview of controls
- 4.2 Switching the appliance ON/OFF
- 4.3 Turning the space heating ON
- 4.4 Programming the heating control unit
- 4.5 ZBR..-3A appliances with DHW tank: Setting the DHW temperature
- 4.6 ZWB..-3A appliances (combi boilers): Setting the DHW temperature
- 4.7 Setting manual summer mode
- 4.8 Setting frost protection
- 4.9 Activating the key pad lock
- 4.10 Display codes
- 5 Thermal disinfection
- 6 Energy saving tips
- 7 Troubleshooting
- 8 Maintenance
- 9 Environmental responsibility/disposal
- 10 Quick reference
- Index
20 | Operation
6 720 806 993 (2013/03)Greenstar
▶ Turn the boiler high limit dial counterclockwise to .
Fig. 9
For further information, see the operating instructions for the heating control unit
included in the scope of delivery.
4.8 Setting frost protection
Frost protection of the heating system:
▶ Leave the appliance switched ON; turn the boiler high limit dial at least to
position 1.
Fig. 10
For further information, see the operating instructions for the heating control unit
included in the scope of delivery.
Alternatively if you prefer switching the appliance OFF:
▶ Ask a trained and certified heating contractor to mix anti-freeze (see installation
instructions) into the heating water. All DHW pipes and DHW tank must be
completely drained.
6 720 641 933-82.1O
eco
reset
max
1
2
3
5
6
maxmin
1
2
3
4
e
6
eco
reset
max
1
2
3
5
6
max
1
2
3
4
e
6
6 720 641 933-68.1O
min