Application details
Application
Switch
setting
Application
Input
Changeover (C/O)
Comfort Mode**
Heating mode
S1 S2 S3 S4
Action
Ventilation
(3 speeds)
LED
A
ON ON ON OFF 2 Pipes (without valve)
Closed or the sensor detects hot water No valve Ventilation ON ON ON OFF
Open or the sensor detects cold water ON OFF OFF
The sensor detects neither hot nor cold water ON OFF OFF
B
ON ON ON ON
2 Pipes (without valve)
+ electric heater
for main heating
Closed or the sensor detects hot water No valve Ventilation ON ON ON OFF
Open or the sensor detects cold water ON OFF OFF
The sensor detects neither hot nor cold water Electric heater Ventilation ON ON ON OFF
C
OFF OFF ON ON
2 Pipes (without valve) +
auxiliary electric heater
Closed or the sensor detects hot water
Electric heater
as 2nd stage
Ventilation ON ON ON OFF
Open or the sensor detects cold water ON OFF OFF
The sensor detects neither hot nor cold water ON OFF OFF
D
ON ON OFF ON
2 Pipes (without valve)
+ electric heater used as main
heater
and also auxiliary
Closed or the sensor detects hot water
Electric heater
as 2nd stage
Ventilation ON ON ON OFF
Open or the sensor detects cold water ON OFF OFF
The sensor detects neither hot nor cold water
Electric heater
as main stage
Ventilation ON ON ON OFF
E
ON OFF ON ON
2 pipes (cold only)
+ electric heater,
with control line, without valve
LP contact closed Electric heater Ventilation ON ON ON OFF
LP contact open ON OFF OFF
F
OFF OFF OFF OFF 2 pipes (with valve)
Closed or the sensor detects hot water Valve Ventilation ON ON ON OFF
Open or the sensor detects cold water ON OFF OFF
The sensor detects neither hot nor cold water ON OFF OFF
G
OFF ON ON OFF
2 pipes (with valve)
+ electric heater
in main heating
Closed or the sensor detects hot water Valve Ventilation ON ON ON OFF
Open or the sensor detects cold water Electric heater Ventilation ON ON ON OFF
The sensor detects neither hot nor cold water Electric heater Ventilation ON ON ON OFF
H
OFF OFF ON OFF
2 pipes (with valve)
+ auxiliary electric
heater
Closed or the sensor detects hot water
Valve + electric heater as 2nd
stage
Ventilation ON ON ON OFF
Open or the sensor detects cold water ON OFF OFF
The sensor detects neither hot nor cold water ON OFF OFF
I
ON ON OFF OFF
2 pipes (with valve)
+ electric heater used as main
and auxiliary heater
Closed or the sensor detects hot water
Valve + electric heater as 2nd
stage
Ventilation ON ON ON OFF
Open or the sensor detects cold water
Electric heater
as main stage
Ventilation ON ON ON OFF
The sensor detects neither hot nor cold water
Electric heater
as main heater
Ventilation ON ON ON OFF
J
ON OFF ON OFF
2 pipes (cold only)
+ electric heater,
with control line and valve
LP contact closed Electric heater Ventilation ON ON ON OFF
LP contact open ON OFF OFF
K
OFF ON OFF OFF
2 pipes (cold only)
+ radiator
Heating valve Ventilation OFF ON ON OFF
L
OFF ON OFF ON
2 pipes (cold only)
+ radiator with control line
LP contact closed Heating valve Ventilation OFF ON ON OFF
LP contact open ON OFF OFF
M
ON OFF OFF OFF 4 pipes Heating valve Ventilation ON ON ON OFF
N
ON OFF OFF ON 4 pipes with control line
LP contact closed Heating valve Ventilation ON ON ON OFF
LP contact open ON OFF OFF
LP = control line *BL. : Flashing
** In economy mode: operation identical to Comfort mode with:
- Setpoint offset by +/-5°C
- LED
: OFF