Swegon LUNAd MB Instructions For Use Manual

LUNAd MB
Instructions for Use
Content
Introduction ....................................................... 3
1.1 Introduction .......................................................... 3
1.2 Selection of room temperature ............................. 3
1.3 LED status lamp .................................................... 3
System overview and installation. .................... 3
2.1 System overview ................................................... 3
2.2 Terminal functions ................................................ 3
2.3 Invert heating outputs ........................................... 4
2.4 Resetting .............................................................. 4
2.5 Hand-held terminal LUNAd T-CU........................... 4
Control functions ................................................ 5
3.1 Operating modes .................................................. 5
3.2 Setting room temperatures ................................... 5
3.3 Deadband ............................................................. 5
3.4 Control process ..................................................... 5
3.5 P-function ............................................................. 5
3.6 I-function .............................................................. 5
Inputs and sensors .............................................. 6
4.1.1 Sensor type ........................................................ 6
4.1.2 Average value measurement ............................... 6
4.2 Occupancy sensor ................................................. 6
4.2.1 Switch-on delay ................................................. 6
4.2.2 Switch-off delay ................................................. 6
4.2.3 Inverting the occupancy signal ........................... 6
4.3 Overriding the operating mode ............................. 6
4.3.1 Forced output when external contact function
is activated ................................................................. 6
4.4 Condensation sensor ............................................ 7
4.4.1 Select effect of output A1 .................................. 7
Outputs and actuators ....................................... 8
5.1 Actuators .............................................................. 8
5.2 Output signals ...................................................... 8
5.3 Heating, cooling or direct temperature regulation
of output .................................................................... 8
5.4 Limitation of control range .................................... 9
5.5 Temperature limits for "direct temperature control" 9
5.6 Setting the voltage limits for outputs A1 and A2 ... 9
The document was originally written in Swedish
5.7 Inverting the output .............................................. 9
5.8 Periodic valve operation ........................................ 9
Data communication......................................... 10
6.1 Modbus protocol ................................................ 10
6.1.1 Modbus RTU protocol ....................................... 10
6.1.2 Data bits and bytes .......................................... 10
6.1.3 Data rate .......................................................... 10
6.1.4 Modbus RTU protocol ...................................... 10
6.1.5 Modbus address ............................................... 10
6.1.6 Modbus register ................................................11
6.1.7 Modbus command ............................................11
6.1.8 Modbus RTU over Ethernet ................................11
6.1.9 Error messages ..................................................11
6.1.10 Delays and communication errors ................... 12
6.1.11 Monitoring program ....................................... 12
6.2 RS-485 network ................................................. 12
6.2.1 Nodes, server and clients .................................. 12
6.2.2 Transceiver ....................................................... 12
6.2.3 Bits and signal levels ........................................ 13
6.2.4 Converter ........................................................ 13
6.2.5 Repeater .......................................................... 13
6.2.6 Screw terminals for network cable ................... 13
6.2.7 Twisted pair cabling ......................................... 13
6.2.8 Galvanic isolation ............................................. 13
6.2.9 Polarisation ...................................................... 13
6.2.10 Termination .................................................... 13
6.2.11 Electromagnetic interference .......................... 14
6.2.12 Shielded cable ................................................ 14
6.3 Network structure ............................................... 14
6.3.1 Segments ......................................................... 14
6.3.2 Number of nodes ............................................. 14
6.3.3 Network cable ................................................. 14
6.3.4 Shielded cable.................................................. 15
6.3.5 Earth wire ........................................................ 15
6.3.6 Polarisation ...................................................... 16
6.3.7 End termination ............................................... 16
6.4 Network troubleshooting .................................... 16
08/04/2021