Riello RESIDENCE HM Series Instructions For The User page 25

8.2 Operating status
By pressing button 1, the type of operation changes cyclically from
OFF - SUMMER - WINTER and finally OFF again.
If no key is pressed for 60 seconds, the interface goes into stand-by
mode. Normally the pressure value is displayed, unless there has
been a request for heat (in which case the temperature is displayed).
If the time is set, the pressure value is replaced by the current time.
heating delivery
stand-by
WINTER MODE
The boiler activates the heating and DHW function, the presence of the
icon indicates a heat request and burner ignition.
WINTER
MODE
SUMMER MODE
The boiler activates the traditional DHW-only function.
SUMMER
MODE
8.3 Heating setpoint setting
first press
If no key is pressed for 5 sec., the set value is taken as the new heating
setpoint.
OFF
DHW
temperature
temperature
or
second press
set CH setpoint value in steps of 0.5 °C
8.4
temperature sensor
With the outdoor temperature sensor connected (optional) and tempera-
ture control enabled (parameter P4
ature value is chosen automatically by the system, which quickly adjusts
the room temperature according to changes in the outdoor temperature.
M heating setpoint
With parameter P4
8.5 DHW setpoint adjustment
or
first press
If no key is pressed for 5 sec., the set value is taken as the new DHW
setpoint.
8.6 Safety stop
If faults arise in ignition or operations, the boiler makes a "SAFETY
"5.14 Signalling and faults".
Reset function
Contact the Technical Assistance Centre if unlocking attempts fail to re-
activate regular operation.
8.7 Temporar
In the event of temporary absences (weekends, short breaks, etc.) set
the status of the boiler to OFF.
While the electrical supply and the fuel supply remain active, the system
is protected by the following functions:
heating anti-freeze: the function starts if the temperature detected
by the flow sensor falls below 5°C. In this phase a heat request is gen-
erated with burner ignition at minimum output, which is maintained
until the water delivery temperature reaches 35°C; the display shows
AF1
DHW anti-freeze: the function starts if the temperature detected by
the DHW probe falls below 5°C. In this phase a heat request is gener-
ated with burner ignition at minimum output, which is maintained until
or
the water delivery temperature reaches 55°C; the display shows AF2
a stop period of 30 seconds.
25
, the delivery temper-
or
or
second press
set DHW setpoint value in steps of 0.5 °C
>2 sec
HEATING
ANTI-FREEZE
DHW
ANTI-FREEZE
the circulator is activated every 24 hours for
or
.