SIRe Advanced Fan Heater Water
29
GB
Operating modes
Operating modes (without mixing cabinet)
Control is based on the four operating modes:
• Auto
• Thermostat / Manual fan
• Thermostat / Automatic fan
• Manual
Auto
When the set point value is undercut by 0.5 K
the fan starts at speed 1 and the valve motor
starts to open stepless. If a fully open valve is
not sufficient to maintain the temperature,
the fan control increases to a max of step 4.
The difference between the setpoint value and
the room temperature for the fan to increase
one step is set under Heating step diff., see
Installer menu > Settings heating > Heating
step diff.
When Auto is active the fan speed and heating
cannot be changed in the status window.
Thermostat / Manual fan
The thermostat just controls the heating and
the fan runs continually. The fan speed is set
manually. The fan symbol is marked in the
status window, select desired speed with the
rotary dial and confirm.
Thermostat / Automatic fan
The thermostat controls both the heating and
the fan. The fan speed is set manually in the
status window. [Installer menu > Settings fan
> Fan mode.]
[Installer menu > Settings fan > Fan mode.]
Manual
The fan speed and heating is set manually in
the status window. Heating can be set to 3
steps (33%, 66% and 100%). Heating is blocked
by the outdoor temperature, see: [Installer
menu > Settings heating > Outdoor temp.
limit]
Operating modes (with mixing cabinet)
The control is based on two operating modes:
Thermostat / Manual fan
Manual
Thermostat / Manual fan
The thermostat just controls the heating and
the fan runs continually. The fan speed is set
manually. The fan symbol is marked in the
status window, select desired speed with the
rotary dial and confirm.
Day mode
In day mode or if no week program is
activated, the fan runs continuously at the
fixed fan control and the damper is open
according to the setting under Day damper
pos.. The heating is controlled via the room
temperature. If the inflow temperature drops
below the set minimum value, heat connects
even if it is sufficiently warm in the premises.
Night mode
Night time (when the week program is
activated or via external signal for night
reduction) the damper is fully closed or
open according to the setting under Night
damper pos. Heating is controlled by the
room temperature and the fan is running
continously.
Manual
The fan speed and heating is set manually in
the status window. Heating can be set to 3
steps (33%, 66% and 100%). Heating is blocked
by the outdoor temperature, see: [Installer
menu > Settings heating > Outdoor temp.
limit]
When the mixing cabinet is activated
the Return temp. sensor SIReWTA is also
activated. If this sensor is not installed an
alarm is indicated. The return temperature
sensor must be installed to reset the alarm
[Settings heating> Return water temp.
