5
3062087_0207
Control / Function / Operation
ON / OFF switch
DHW
temperature
selector
Pressure
gauge
Reset
button
Heating water
temperature selector
Illuminated
signal ring
Thermometer
In conjunction with the accessory controllers BM / AWT / ART, the settings at the boiler
relating to DHW and heating water are disabled.
Note:
Signal ring as
status display
Display
Explanation
Flashing green
Standby (power supply ON, burner OFF)
Constant green light
Heat demand: pump running, burner OFF
Flashing yellow
Emissions test mode
Constant yellow light
Burner ON, flame steady
Flashing red
Fault
9
1
2
8
3
7
4
6
5
DHW temperature selector
The settings 1-9 correspond to a DHW temperature of 40 to 60 °C. Combined with a
control thermostat for wall mounted gas fired boilers, the adjustment at the DHW
temperature selector is disabled; instead the temperature is selected at the boiler control
thermostat.
2
8
3
7
4
6
5
Heating water temperature selector
The setting range 2-8 corresponds to a heating water temperature of 40 to 80 °C. Combined
with a control thermostat for wall mounted gas fired boilers, the adjustment at the heating
water temperature selector is disabled; instead the temperature is selected at the boiler
control thermostat.
Emissions test mode
Turning the switch to position lets the boiler operate at maximum output. The illuminated
signal ring flashes yellow for 15 minutes or until the maximum flow temperature has been
exceeded.
Summer mode
Switch set to circulation pump OFF (heating OFF); only DHW heating, frost protection,
pump anti-seizing protection enabled, i.e. the circulation pump runs for approx. 30 s every
24 hours.
°C
0
120
bar
0
4
2
1
3
Thermometer/pressure gauge
The heating water temperature is displayed in the upper half, the heating system water
pressure in the lower half.
Setting
Winter mode (position 2 to 8)
The circulation pump operates in heating mode.