EXTREMA
5
EN
cod. 3540S060 - 04/2010 (Rev. 00)
Indication during operation
Heating (fig. 2)
A heating demand (generated by the Room Thermostat or Remote Timer Control) is indicated by flashing of the hot air
symbol (details
24
and
25
of fig. 1).
The display (detail
23
- fig. 1) shows the actual heating delivery temperature and the message "
d2
" during heating
standby time.
The heating graduation marks (detail 26 - fig. 1) light up as the heating sensor temperature reaches the set value.
fig. 2
Domestic hot water (DHW) fig. 3
A DHW demand (generated by drawing domestic hot water) is indicated by flashing of the hot water symbol (details
12
and
13
of fig. 1).
The display (detail
14
- fig. 1) shows the actual hot water outlet temperature and the message "
d1
"during DHW standby
time.
The DHW graduation marks (detail
11
- fig. 1) light up as the DHW sensor temperature reaches the set value.
fig. 3
Comfort (fig. 4)
A Comfort demand (for maintaining the temperature inside the boiler) is indicated by flashing of the COMFORT symbol
(details 15 and 13 - fig. 1). When in Comfort mode, the DHW within the boiler is kept warm for rapid delivery to the taps.
fig. 4
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