Starting The Boiler - Bosch CONDENS 5000W User, Installation And Servicing Instructions

36 | Commissioning
5.4

Starting the boiler

CAUTION: Running the boiler
B Never run the boiler when the system is
empty or partially filled.
1
Fig. 56 Control panel
Switching the boiler on/off:
B Turn on mains power supply, the power on indicator
(5) illuminates blue.
B Turn on any external controls
B Set the thermostatic radiator controls to maximum
temperature
B Set the clock/programmer to continuously ON and the
room thermostat to maximum temperature
1 Central heating temperature control
2 Burner indicator (green)
3 Service button
4 Cover or optional Programmer
5 Power ON and fault indicator (blue)
6 ECO button - not used
7 Reset button
8 DHW temperature control (only operational
when option integral diverter valve is fitted)
9 System pressure gauge
Tab. 23 Control panel legend
6 720 646 195a (2010/11)
2 3 4 5 6 7
Turn the boiler CH temperature control (1) to maximum.
The burner on indicator (2) illuminates green when the
burner has lit.
If the boiler fails to light, the blue power indicator (5)
and reset button (7) will flash.
NOTE: Reset
B Do not press the blue power indicator (5)
to reset the boiler.
To reset press and hold the reset button (7) for more
than two seconds. The boiler will be reset.
8 9
AU/NZ