Setting The Ebus Address For Cascade Mode - Wolf CGU-2-18 Installation And Maintenance Instructions Manual

When operating several boilers (up to 4 control units) in conjunction with a cascade controller KM, adjust
the eBUS address of the boilers in accordance with the table, below.
ON / OFF switch
- At the system ON / OFF switch, switch the boiler first OFF and then ON again. There must not be any fault
present at the boiler.
- Press reset button for between 30 and 60 seconds after turning on the mains and keep pressed down during
the next step. Setting the address is only possible during this time window.
- After 10 seconds the illuminated signal ring indicates the currently selected gas type (see table: eBUS address).
- Turn the DHW temperature selector towards the required address and check the setting by means of the colour
of the illuminated signal ring.
- The adjustment will only be activated when the reset button is released.
- A successful setting of the eBus address is indicated by a triple flashing yellow/red (0.4 s ON / 1.0 s OFF) of the
signal ring.
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Setting the eBUS address
for cascade mode
Reset
button
Illuminated
signal ring
Boiler in cascade
eBUS address
operation
1 (factory setting)
2
3
4
Table: eBUS address
DHW temperature
selector
Heating water
temperature
selector
Position
Rotary
selector, DHW
temperature
selection
1 1
2 2
3 3
4 4
Thermometer
Pressure
gauge
Illuminated ring
display
flashing red
flashing yellow
flashing yellow/red
flashing yellow/green
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