Alpha E-Tec Plus 28NX - Page 42

Alpha E-Tec Plus 28NX, 33NX and 38NX - Commissioning
ID
Parameter Description Range
-
0 - 4
0 - 4
0 - 3 *
0 - 4
0 - 2
0 - 36
0 - 1
1 - 3
-
-
-
-
Max. power
correction for flow
rate regulator
Configuration input 1
(40 - 41)
low voltage
Configuration input 2
(14 - 15)
(Low voltage)
Configuration input 3
(1 - 2)
(230V)
Alpha Bus input
configuration
(44 - 41)
(Low voltage)
Sensor configuration
(47 - 48)
Service call
reminder
Remote control
protocol
(Low voltage)
Modbus protocol
Slave address
(for BMS)
Baud rate (for BMS)
Stopbits (for BMS)
Paritybit (for BMS)
P.10
P.11
P.12
P.13
P.14
P.15
P.16
P.17
P.18
P.19
P.20
P.21
P.22
Default
-
0
4
2
1
0
0
0
1
-
-
-
-
Not used
Setting a value other than zero is not acceptable if the function
is already present in another input:
0 - Off
1 - Room thermostat zone1 in AND Alpha Bus input (44 - 41)
2 - Room thermostat zone 1 in OR Alpha Bus input (44 - 41)
3 - Room thermostat zone 2 in OR Alpha Bus input (44 - 41)
4 - Safety thermostat (low temperature). Volt free input only
See notes P.11
0 - Off
1 - Room thermostat zone1 in AND Alpha Bus input (44 - 41)
2 - Room thermostat zone 1 in OR Alpha Bus input (44 - 41)
3 - Room thermostat zone 2 in OR Alpha Bus input (44 - 41)
Setting a value other than zero and one is not accepted if
already present in another input:
0 - OFF
1 - Alpha Bus
2 - Room thermostat zone 1
3 - Room thermostat zone 2
4 - Safety thermostat (low temperature)
0 - OFF
1 - DHW inlet probe
2 - System flow probe
Set the value in months at scheduled maintenance
Set the dialogue protocol with the remote device:
0 - Alpha Bus - Select this mode when connecting an Alpha
remote control (e.g. Climatic) to terminals 44 - 41
1 - Open therm type remote control - Boiler terminal block link
1 to 2 should be removed (depending on parameter P.13)
Modbus port setting:
1 - OFF
2 - Not used
3 - Not used
Not used
Not used
Not used
Not used
Customised
value
* Setting a value other than 0 is not possible if the function is active on another input.
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