9
1.3.
BOILER STATUS – LCD ACTIVATION CORRESPONDENCE
1.3.1.
Normal operation
Boiler selector on OFF
Boiler selector on ANTI-FREEZE
Boiler selector on SUMMER or WINTER
Aqua Premium system disabled, no function active
The water flow temperature is displayed
Boiler selector on SUMMER or WINTER
Aqua Premium system enabled, no function active
The water flow temperature is displayed
Boiler selector on SUMMER or WINTER
DWH function active (with Aqua Premium system disabled)
The water flow temperature is displayed
Boiler selector on WINTER
CH function active
The water flow temperature is displayed
Table 1
1.3.2.
Malfunction
Boiler not powered on
Boiler shutdown due to flame absence
Boiler shutdown due to safety thermostat activation
Boiler shutdown due to flue gas thermostat activation (BTN)
Boiler shutdown due to air pressure switch activation (BTFS)
Low system pressure alarm
CH probe failure
DHW probe failure
Storage probe fault
Gas valve modulator malfunction alarm
Remote control connection failure
External probe failure
Table 2
