Commissioning / Setting The Bus Address - Wolf CGB-75 Installation And Technical Manual

Only qualified personnel must carry out the
commissioning and initial start-up of the boiler
as well as instruct the user.
- Check the boiler and system for leaks;
NB
Normal operating pressure when system is cold
1.5 - 2.0 bar; prevent water leaks
- Check location and seating of fitted parts
- Check all connections and component unions
for leaks
- If tightness cannot be ensured then there is
a risk of water damage
- Check that all flue gas accessories have been correctly
installed
- Open the flow and return shut-off valves
- Open the gas shut-off valve
- Switch ON the ON/OFF switch on the control unit
- Ignite and check the regular flame structure of the main
burner
- The illuminated ring shows a yellow colour, if the boiler starts
correctly
- Check the condensate drain
- Instruct the customer in the operation of the boiler, with the
aid of the operating instructions
- Complete the commissioning report and hand over the
instructions to the customer
BUS address setting:
When operating several boilers (number of boilers >1) in conjunction with a cascade module, set the BUS address of each boiler
in accordance with the table below.
Hold down the reset button; after 5 seconds, the corresponding flashing code will be displayed (see table). Select the corresponding
address with the DHW temperature rotary selector; then release the reset button again.
Boiler BUS address
Single boiler 0
Boiler cascade
Boiler 1 1
Boiler 2 2
Boiler 3 3
Boiler 4 4
26
Commissioning /
BUS address adjustment
Figure: Control unit overview
Saving energy
- Instruct the customer about energy saving options.
- Refer your customer to section "Information
regarding energy efficient operation" in the operating
instructions.
Rotary selector position
DHW
6
1
2
3
4
ON/OFF
Reset button
switch
Illuminated signal ring
Illuminated signal ring indication
flashing green (factory setting)
flashing red
flashing yellow
flashing yellow/red
flashing yellow/green
Thermometer
30 62 555_0709