Electrical Diagram - Bosch US3 Installation Manual And Operating Instructions

6 | Information about the heater
2.6

Electrical diagram

DANGER: Risk of electric shock!
B Always switch off the electrical supply to
the unit before removing cover or
performing any maintenance and service.
Power selector
and Flow switch
Fig. 2 Internal wiring plan
6 720 647 005 (2011/09)
Heating elements
Neon
Manual reset Thermal cut-out
US
Electrical
supply