Riello 20122798, Инструкция по установке и эксплуатации, Страница: 15 / 56

START KI - KIS
14
ENGLISH
15
HEATING WATER
TEMPERATURE
DOMESTIC HOT WATER
TEMPERATURE
Summer mode
By turning the function selector to the Summer symbol , the con-
ventional function of only DHW is activated. In the event of a DHW
request, the boiler turns on. The digital display indicates the domestic
hot water temperature.
SUMMER
FUNCTION
Heating Temperature Control function (C.T.R.)
When the heating water temperature selector is positioned in the sec-
tor indicated in the figure , the C.T.R. self-control function is activated.
According to the temperature set on the room thermostat and the time
taken to reach this value, the boiler automatically varies the heating
water temperature, reducing operating time and enabling increased
comfort and energy savings.
D -
C.T.R.
FUNCTION
Heating temperature adjustment
To adjust the temperature of the heating water, turn the function
selector within the adjustment range (clockwise to increase and anti-
clockwise to decrease).
E -
- +
DHW temperature adjustment
To adjust the domestic hot water temperature (bathrooms, showers,
kitchens etc.), turn the dial with the symbol :
- clockwise to increase the value;
- anti-clockwise to decrease the value (min. 37°C, max. 60°C).
- +
The boiler remains on standby until the burner ignites following a
heat request.
The boiler operates until the controlled temperatures are reached or
the heat demand is met, after which it returns to standby status.
F - Temporary shutdown
During temporary absences, weekends, short trips, etc.:
- set the function selector to (OFF).
With the power mains connected and the gas supply active, the boiler
is protected by the systems:
Anti-freeze
This function is activated if the boiler water temperature falls below
5°C. The pump runs a 15 minute cycle every 2 hours as follows: the
pump stops when the boiler water temperature exceeds 10°C; the
burner is ignited to the minimum in heating mode when the boiler water
temperature falls below 5°C until the water temperature reaches 30°C,
after which a post-pump phase runs for 30 seconds.
During the anti-freeze cycle, the symbol is shown on the digital
display.
Pump anti-block function
The pump is activated every 24 hours of standby and, in any event,
3 hours after the last DHW request.
G - Shutdown for long periods
If the boiler is not used for a long period of time, proceed as follows:
- set the function selector to (OFF).
- turn the main system switch to “OFF”.
- close the heating and domestic hot water system gas and water
cocks.