Italtherm CITY CLASS 20 F, Руководство по обслуживанию, Страница: 6 / 32

Green Heating Technology
6 SERVICE
Manual City Class F-FR
User Guide
The front control panel: PUSHBUTTONS AND KNOBS
Stand-by / Functioning mode
At every press, the boiler switches its mode from
to
summer or winter mode.
00357 00
CH setting knob
To set the CH system temperature. If the Outdoor Sensor
Kit was installed, see also “Outdoor Sensor Kit”
DHW setting knob
To set the DHW temperature.
RESET
Press to reset the boiler in case of breakdown.
See further details in “Alarms - boiler block”
DISPLAY - symbols enabled in this model and their description
CH – winter mode indication
If flashing, it means that the boiler is functioning in CH mode. See also the remark in the descrition
of symbol .
Burner ON
It indicates the presence of the flame in the burner.
DHW mode indication
If flashing, it means that the boiler is functioning to produce domestic hot water.
If both and symbols flash at the same time, a Technician-reserved function has been activated.
In this case, turn immediately the boiler off - and then turn it on again - by means of the button .
Two digit display under the symbol
Normally, it displays the CH flow temperature, i.e the temperature of the liquid on boiler’s outlet that is sent to
the CH system.
During the CH temperature setting (by rotating the knob
), it shows the temperature value changing; in
case of alarm it displays “E”; during the setting (reserved to the Technician) it displays the chosen parameter
ID number (see “PCB parameters settings (technician menu)”
Three digit display under the symbol
Normally, it displays the temperature of the hot water on boiler’s outlet. When the boiler is in stand-by mode,
it displays .
During the DHW temperature setting (by rotating the knob ), it shows the temperature value changing; in
case of alarm it displays the ID number of the alarm (see “Alarms - boiler block” on page <?>); during the
setting (reserved to the Technician) it displays the value of the chosen parameter.
RESET It appears when the boiler is locked or anyway is present an error that the user could manage. See “Alarms -
boiler block” to identify the problem and the relevant actions to be carried out.
SERVICE It appears when the boiler has detected an error (mainly a fault) that has to be managed by the Technician. The
User can anyway see “Alarms - boiler block” to get information about and the eventual actions to be carried
out.
It informs that the outdoor probe (accessories) is installed.
Note: In this case the CH system temperature is automatically set and so the use of the knob
is different
from the standard way: for deeper details rely on kit instruction and see “Outdoor Sensor Kit”
F FR