8
1.3. Boiler status – Message display
Normal operation
Boiler selector on OFF
Boiler selector on ANTI-FREEZE
Boiler selector on SUMMER or WINTER
No function active
The flow water temperature is displayed
Boiler selector on SUMMER or WINTER
DHW system enabled (*)
The flow water temperature is displayed
Boiler selector on WINTER
CH function active
The flow water temperature is displayed
Boiler selector on SUMMER or WINTER
Water heater enabled, no function active (*)
The flow water temperature is displayed
Table 1 – Boiler Status-Message Display with normal operation
(*) If the boiler is connected to a separate water heater.
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
CH probe failure
Water heater probe fault
Only if the boiler is connected to a separate water heater (optional) with an NTC probe
(10 kΩ @ ß=3435; refer to the water heater handbook).
Low primary fluid circulation alarm
(pump ON – flow switch OPEN)
Allarme circolazione fluido primario insufficiente
(pompa OFF – flussostato CLOSE)
Low primary fluid circulation alarm (pump OFF – flow switch CLOSED)
Remote control connection failure
External probe failure
Table 2 - Boiler status-Message display with malfunction
Содержание KR 55
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