3.6
3.6.1
3.6.1.1
3.6.1.2
3.6.1.3
0311720_SUF_120-500_III_UKUK_V2.0 , 2017-08-01
Status of the water heater
During operation, the display shows the status of the water heater.
Operating modes
When running, the water heater has four basic operating modes, namely:
•
OFF (see section 3.6.1.1)
•
ON (see section 3.6.1.2)
•
EXTRA (see section 3.6.1.3)
•
PROG (see section 3.6.1.4)
OFF
In this mode, the frost protection is activated. The figure shows the display with the
following information:
•
line one: the text OFF;
•
line two: the time, the day and T
•
lines three and four: the text FROST PROTECTION ACTIVATED.
ON
In this mode, the water heater continually responds to the hot water demand. The figure
shows the display with the following information:
•
line one: the text ON;
•
line two: the time, the day and T
•
line three: the programmed water temperature T
•
line four: is empty when the water heater is idle, or depending on the operating cycle
(see section 4.1.1), displays a text such as HEAT DEMAND.
EXTRA
In this mode, one extra period is programmed and activated. In this mode, the OFF or
PROG mode is temporarily overruled to fulfill a single period of demand. When the period
has passed, the water heater automatically returns to the previous operating mode. The
figure shows the display with the following information:
•
line one: the text EXTRA;
•
line two: the time, the day and T
•
line three: the switch-on time and the related water temperature setting;
•
line four: the text PERIOD ACTIVATED.
(see section 4.1.1).
1
(see section 4.1.1).
1
;
set
(see section 4.1.1);
1
21