Fujitsu UTW-SCBYA Installation And Operating Manual page 22

Control Box
Line Function
Domestic Hot Water (Only with the DHW kit option)
1610 U Nominal setpoint
The backup electrical system is required to reach this level.
1612 U Reduced setpoint
1620 I Release (of DHW load)
24h / day : The temperature of the DHW is constantly maintained at the DHW nominal setting.
Time programs HCs : The DHW is produced according to the programming for the ambient temperature (with 1 hour
in advance when switched on).
Time program 4/DHW : The DHW programme is separate form the heating circuit programme.
Low-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 nominal period or off peak.
* - Connect the "Power Provider" contact to input EX5 or EX4. (See
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
1641 I Legionella funct periodically
1642 I Legionella funct weekday
1644 I Legionella funct time
If no value is entered, no anti-legionella cycle has been run.
I
1645 Legionella funct setpoint
1646 I Legionella funct duration
1647 I Legionella funct circ pump
1660 I Release of circulating pump
Swimming pool (Only with swimming pool kit option)
2056 U Setpoint source heating
Heat pump
2844 S Switch-off temp max
Floor heating system = 55 °C / Higher temperature radiator = 65 °C
2882 S Release integr electric flow
Electric back-up for the heat pump is not equiped in the heat pump.
2884 S Release el flow below OT
(Electrical release - start-up with outdoor
temperature)
Electric back-up for the heat pump is not equiped in the heat pump.
2910 S Release above outdside temp
2920 S With electrical utility lock (EX4)
Released : HP = On _ Back-up DHW = Off _ Boiler = On
Locked (Blocked on standby) : HP = Off _ Back-up DHW = Off _ Boiler = On
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Setting range or display
Reduced setting (line 1612)...
to 65 °C
8 °C...
to Nominal setpoint (line 1610)
24h / day
Time programs HCs
Time program 4/DHW
Low-tariff
T'prog 4/DHW or low-tariff
figure 8, page
Off,
Periodic (depending on the line
setting 1641)
Set day of the week (depending
on the line setting 1642)
1 to 7
Monday, Tuesday,...
--:--, 00:00... 23:50
55 °C... 95 °C
--:--, 10 min... 360 min
On, Off
Time program 3/HCP,
DHW release,
Time program 4/DHW
8... 35 °C
8... 100 °C
0... 500 °Cmin
-30... 30 °C
-30... 30 °C
Locked (Blocked on standby),
Released
Installation and operating manual "1395 - EN"
Setting Basic setting
increment
1 50 °C
1 25 °C
Time program
4/DHW
8). In the case of a day /night
Off
1 day 7
Saturday
--:--
65 °C
30
On
DHW release
22 °C
1 °C 55 °C
1 °Cmin 100 °Cmin
2 °C
--
Released