Commissioning
33
Bosch Condens 5000W – 6 720 646 195 (2018/10)
5.4 Starting the boiler
WARNING:
Running the boiler
▶ Never run the boiler when the system is empty or partially filled.
Fig. 57 Control panel overview
[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 “optional
integral diverter valve” is fitted)
[9] System pressure gauge
Switching the boiler ON/OFF:
▶ Turn on mains power supply, the power on indicator [5] illuminates
blue.
▶ Turn on any external controls.
▶ Set the thermostatic radiator controls to maximum temperature.
▶ Set the clock/programmer to continuously ON and the room
thermostat to maximum temperature.
▶ 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.
Resetting the boiler if a fault occurs
▶ Do not press the blue power indicator [5] to reset the boiler.
▶ Press and hold the reset button [7] for more than two seconds to
reset the boiler if it fails to light.
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