Control / Function / Operation - Wolf CGB-75 Installation And Technical Manual

Setting
Anti-seizing pump protection
Note:
30 62 555_0709

Control / Function / Operation

Winter mode (settings 2 to 8)
In winter mode, the boiler heats to the temperature selected at the heating water
temperature controller. According to the pump operating mode, the circulation pump
operates constantly (factory setting) or only in parallel with the burner activation / run-
on period.
Summer mode
Winter mode is disabled by rotating the heating water temperature selector into position
. The boiler then operates in summer mode. Summer mode (heating OFF) means only
DHW heating. Frost protection for the heating system and pump anti-seizing protection,
however, remain enabled.
Emissions test mode
Emissions test mode is activated by rotating the heating water temperature selector into
position . The illuminated signal ring flashes yellow. After the emissions test mode
has been activated, the boiler will heat with the selected maximum heating output.
Any previous cycle block will be cancelled. The emissions test mode terminates after
15 minutes or when the maximum flow temperature has been exceeded. To reactivate,
turn the heating water temperature selector anti-clockwise and then back to
In summer mode, the circulation pump operates for approx. 30 seconds after a maximum
idle period of 24 hours.
The number of times the condensing boiler can be started in heating mode is limited
electronically. This limit can be bypassed by pressing the reset button. Then, the boiler
starts immediately, as soon as there is a heating demand.
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