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9
1.3.
BOILER STATUS – LCD ACTIVATION CORRESPONDENCE
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 (KC model only)
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
External (optional) water heater enabled, no function active
The flow water temperature is displayed
(Only for KR and KRB models connected to an optional water heater)
Table 1 - BOILER STATUS - LCD visualisation correspondence (normal operation)
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
DHW probe failure
KC model only
Water heater probe fault
(Only for KR and KRB models connected to an optional water heater with NTC probe)
Shutdown due to a water circulation malfunction in CH system or minimum pressure gauge
(pump ON – main flow switch OPEN)
Shutdown due to a water circulation malfunction in CH system
(pump OFF – main flow switch CLOSE)
Fan failure
Remote control (optional) connection failure
External probe (optional) failure
Table 2 - BOILER STATUS - LCD visualisation correspondence (malfunction)
Содержание TAHITI CONDENSING IST 03 C 298 - 02
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