T-ONE C HE
5EN
cod. 3541D730 - Rev. 00 - 05/2013
Indication during boiler operation
Central Heating mode
The Central Heating heat demand (generated by the OpenTherm Remote Control, the Room Thermostat or the Clock)
is indicated by the flashing of the Hot Air symbol over the radiator (part. 13 and 14 - fig. 1). The display indicates the
actual Central Heating water temperature (part. 11 - fig. 1) and during central heating off time the text “d2”.
fig. 2
Domestic hot water mode
The Domestic Hot Water heat demand (generated by the DHW flow sensor or due to a Comfort request) is indicated by
the flashing of the Hot Water symbol under the tap (part. 8 and 9 - fig. 1). The display indicates the actual Domestic Hot
Water temperature (part. 11 - fig. 1) and during domestic hot water off time the text “d1”.
fig. 3
1.3 Turning ON and OFF
Without main power supply
fig. 4 - Boiler without main power supply
B
To avoid damage caused by freezing during long shutdowns in winter, it is advisable to drain all water from
the system.
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