28
3062547_201802
0
I
0
°C
20
40
60
80
100
120
ON/OFF switch
ON/OFF
DHW
temperature
selector
Reset button
Heating water
temperature
selector
Illuminated ring
Thermometer
21 Control - control system
description
ON/OFF
switch
The condensing boiler is OFF in position 0.
Reset
A fault is reset by pressing the reset button which will also restart the system. If the boiler
is in a cycle block, this is reset by pressing the button (2 seconds)
Heating water temperature selector
The setting range 2-8 corresponds to a heating water temperature of 20-80 °C. In
combination with a BM programming unit, adjustment at the heating water temperature
selector is disabled.
DHW temperature selector
When oil boilers are combined with a DHW cylinder, setting 1-9 corresponds to a cylinder
temperature of 15-65 °C.
DHW temperatures of over 60 °C are not permissible in
conjunction with a TS stratification cylinder.
In combination with a BM programming
unit, adjustment at the DHW temperature selector is disabled. The temperature is set
at the BM programming unit.
Illuminated ring for status display
Display
Meaning
Flashing green
Stand by (ON/OFF switch ON, no heat demand,
pump 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
Summary of Contents for COB
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