CH Demand
Only OTC
Room thermostat
0-10V
(power or temperature)
AT contact
closed
Scheduler
ENABLED
The heating unit follows
the Timer settings, ob-
serving the bands set as
ON, ECO and OFF.
The temperature is mod-
ulated on the basis of the
outside temperature.
The heating unit follows the
Scheduler settings, observ-
ing the bands set as ON,
ECO and OFF.
If = OFF => Request
disabled, heating unit on
stand-by;
If = ON => Request enabled,
fixed setpoint at set Tmax*;
If = ECO => Request ena-
bled, fixed setpoint at the
temperature corresponding
to ECO mode
Request enabled,
setpoint depending on
0-10V signal
Scheduler
DISABLED
Request enabled, set-
point corresponding to
ON mode (comfort). The
temperature is modulat-
ed on the basis of the
outside temperature.
Request enabled, fixed set-
point at set Tmax*;
AT contact
open
Scheduler
ENABLED
Request disabled, heat-
ing unit on stand-by
Request disabled, heating
unit on stand-by
Request disabled,
heating unit on stand-
by
Scheduler
DISABLED
Request enabled, set-
point corresponding to
ECO mode. The temper-
ature is modulated on
the basis of the outside
temperature.
DHW REQUEST TYPE
Depending on the selected device used (parameter Heating 1.6), the following table shows the priorities according to the
conditions of the room thermostat and Scheduler settings.
(*) Tmax = Set maximum temperature (see parameter
1.2.2
technician menu)
b
This operating mode applies regardless of whether the AT is high voltage or low voltage (see page 47)).
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INST
ALLA
TION
Summary of Contents for S-AF
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