Atlantic alfea extensa + - Page 57

Line Function Setting range
or display
Setting
increment
Basic
setting
Domestic hot water
1600 U Operating mode Off, On, Eco On
1610 U Nominal setpoint Reduced setpoint (line 1612)…
65 °C
1 55 °C
The backup electrical system is required to reach this level.
1612 U Reduced setting 8 °C...
Nominal setting (line 1610)
1 40 °C
1620 I Release of DHW load 24h / day
Heating circuit time programme
Programme 4 / DHW
Off-peak tariff (Off-peak)
Programme 4 / DHW
and Off-peak
Programme
4 / DHW
24h / day: The temperature of the DHW is constantly maintained at the DHW comfort setting.
Heating circuit time programme: The DHW is produced according to the programming for the ambient temperature
(with 1 hour in advance when switched on).
Programme 4 / DHW: The DHW programme is separate form the heating circuit programme.
Off-peak tariff* : The electrical backup heating is only authorised to operate during the off-peak period.
T'prog 4/DHW or low-tariff *: The electrical backup heating is authorised to operate during the comfort period or off peak.
* - Connect the "Power Provider" contact to input EX2 (see gure 41, page 42). In the case of a day /night contract,
the electric back-ups for the DHW tank are subject to the power supplier's tariffs. Switching on the electric back-up for
the DHW tank is only authorised during off-peak hours.
1640 I Legionella function Off,
Periodically (depending line setting 1641),
Fixed weekday (depending line setting 1642)
Off
1641 I Legionella function periodically 1 to 7 1 day 7
1642 S Legionella function weekday Monday, Tuesday,... Saturday
1644 S Legionella funct time
1645 S Legionella funct setpoint
1646 S Legionella funct duration
1647 S Legionella funct circ pump Off, On Off
1660 S Circulating pump release Time program 3/HCP,
DHW release,
Time program 4/DHW,
Time program 5
DHW release
Swimming pool (Only with swimming pool kit option)
2055 U Setpoint solar heating 8... 80 °C 26 °C
2056 U Setpoint source heating 8... 35 °C 22 °C
2057 S Swi diff source heating 0,5... 3 °C 0,5 °C
2065 S Charging priority solar Priority 1, Priority 2, Priority 3 Priority 1
2080 S With solar integration No, Yes Yes
Installation and operation manual "1734 - EN" - 57 -
Heat pump air/water split 1 service alféa extensa +