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