Operating Status - Riello RESIDENCE HM Series Instructions For The User

The DHW time programming is signaled to the user by turning off the
DHW icon when the DHW time slot is OFF.
When heating time programming is enabled, pressing the buttons C+D
allows you to switch between AUTO and MAN ON or MAN OFF time
programming.
8.2

Operating status

ƒ By pressing button 1, the type of operation changes cyclically from
OFF - SUMMER - WINTER and finally OFF again.
ƒ 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
OFF
DHW
temperature
temperature
SUMMER MODE (only with water tank connected)
The boiler activates the traditional DHW-only function. In case of water
tank with thermostat or a DHW request in progress, the boiler flow tem-
perature is displayed, in the case of a water tank with probe, the tempe-
rature of the water stored in the water tank is displayed.
SUMMER
MODE
C C
D D
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.
8.4 Heating setpoint setting with outdoor
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.
Modification of the heating setpoint
The setpoint correction is in the range (-5 - +5 °C)
With parameter P4
8.5 DHW setpoint adjustment
A CASE: heating only with no external water tank connected - regulation
not applicable
B CASE: heating only with an external water tank managed by a thermo-
stat - regulation not applicable
C CASE: heating only with an external water tank (accessory kit avai-
lable by request) managed by a temperature probe - to adjust the tem-
perature of the domestic hot water stored in the water tank, proceed as
follows:
or
first press
If no key is pressed for 5 sec., the set value is taken as the new DHW
setpoint.
25
or
second press
set CH setpoint value in steps of 0.5 °C
P418=1), the delivery temper-
or
P418=0 the boiler works at a fixed point.
or
second press
set DHW setpoint value in steps of 0.5 °C
or
or