Control / Function / Commissioning - Wolf CGU-2-18 Installation And Maintenance Instructions Manual

ON / OFF switch
Signal ring as
status display
5
6
4
7
3
2 8
1 9
5
6
4
7
3
2 8
20

Control / Function / Commissioning

Reset
button temperature
Illuminated
signal ring
Display
Flashing green
Constant green light
Flashing yellow
Constant yellow light
Flashing red
DHW temperature selector
Settings 1-9 correspond with a DHW temperature of 40-65 °C with gas combi
boilers, or 15-65 °C with gas boilers with a cylinder. Combined with a control
thermostat for wall mounted gas fi red boilers, the adjustment at the DHW
temperature selector is disabled; instead the temperature is selected at the
boiler control thermostat.
Heating water temperature selector
Settings 2-8 correspond to a heating water temperature of 40-80 °C. Combined
with a temperature controller for wall mounted gas fi red boilers, the adjustment
at the heating water thermostat is disabled; instead the temperature is selected
at the boiler temperature controller.
Reset
A fault is reset by pressing the reset button which will also restart the system.
Pressing the reset button reactivates the system, if there was no fault.
DHW
selector
Heating water
temperature
selector
Explanation
Standby (power supply ON, burner OFF)
Heat demand: pump running, burner OFF
Emissions test mode
Burner ON, fl ame steady
Fault
Thermometer
Pressure
gauge
3062347_0309