SIRe Advanced Fan Heater Water
41
GB
7
8
9
10
11
12
15
16
19
20
+
-
COM
1C
OM 2
BUS
(not in use)
ROOM
SIReA1X
12
3
4
5
6
13
14
+
-
+
-
21
22
+
-
12
+
-
15
16
13
14
+
-
19
20
21
22
4
-
3
+
6
5
7
8
10
9
11
12
+
-
Alarm outgoing (BMS) (potential-
free switch, max 3A, 230V)
Outgoing alarm indication.
Always active.
Closed = buzzer alarm
Open = no alarm
Operation indication OUT (BMS)
(potential free contact) max 3A,
230V)
Outgoing operation indication.
Always active.
ALARM OUT (BMS)
External night reduction
External alarm IN
External ON/OFF
Ext. Heating control 0-10V DC IN
Ext. speed ctrl. 0-10V DC IN
Heating indication
Outdoor temp. sensor
RPM indication
Operation indication OUT (BMS)
Connecting external control - including BMS functions
RPM indication
0-10V DC OUT (max 5 mA)
Signal from SIRe indicates fan
control, corresponds to 0-100% fan
control. Always active.
Heating indication
0-10V DC OUT (max 5 mA)
Signal from SIRe indicates connected
heating step. Always active. Control
signal to modulating actuator.
Outdoor temp. sensor
(obligatory)
SIReOTX
External night reduction
on/off (potential-free switch)
Closes to activate the night reduction
function. Always active.
External alarm IN
(potential free contact)
An external filter guard closes to
indicate an alarm. Set Parameter: >>
Installer menu > Filter guard >
External filter guard = On
External rpm control 0-10V DC
Control fan control 0-100%.
Set parameter: >> Installer menu >
External control > 0-10V Fan control
= On
Ext. Heating control 0-10V DC IN
Activates heating. Set parameter:
>> Installer menu > External
control> 0-10V heating control. =
On
External ON/OFF
External signal activates the unit.
Set parameter: >> Installer menu
> External control > External On/
Off= On
