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Bosch KBR42-3A User Manual

Bosch KBR42-3A
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Contents
Greenstar FS/Combi FS – 6720810589 (2021/01)
2
Contents
1 Explanation of symbols and safety instructions . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Information about the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2.1 Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2.2 Proper use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2.3 Overview of boiler types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3 Prepare for operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.1 Checking the boiler water pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.2 Topping up the heating system water . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
4.1 Overview of controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
4.2 Switching the appliance ON/OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
4.3 Turning the space heating ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.4 Programming the heating control unit. . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.5 KBR..-3A appliances with DHW tank:
Setting the DHW temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
4.6 KWB..-3A appliances (combi boilers):
Setting the DHW temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4.7 Setting manual summer mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
4.8 Setting frost protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
4.9 Activating the key pad lock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
4.10 Display codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
5 Thermal disinfection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

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Bosch KBR42-3A Specifications

General IconGeneral
BrandBosch
ModelKBR42-3A
CategoryBoiler
LanguageEnglish

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