Table Of Contents - Viessmann SDIO Installation And Service Instructions For Contractors

Electronics module

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Table Of Contents

Table of Contents

Index

1. Information

2. Installation sequence

3. Commissioning

4. Troubleshooting

5. Function description - ver-

sion with SM1

6. Function description - ver-

sion with SDIO/SM1A

Disposal of packaging ............................................................................

Symbols .................................................................................................

Intended use ..........................................................................................

System examples ..................................................................................

Spare parts lists .....................................................................................

Overview of electrical connections ........................................................ 10

Power supply ......................................................................................... 11

Configuring the SDIO/SM1A electronics module ................................... 12

Automatic detection ............................................................................ 12

■

Changing the configured bus system ................................................. 12

■

Adjusting the codes/parameters ......................................................... 12

■

Configuring the SDIO/SM1A electronics module for KM-BUS (over-

■

view of coding addresses) .................................................................. 13

Configuring the SDIO/SM1A electronics module for PlusBus ............ 18

■

Faults displayed with a fault code .......................................................... 19

Errors without fault code display ............................................................ 19

Repairs .................................................................................................. 19

Check solar circuit pump at output

■

Check connection at output

■

Check temperature sensors ............................................................... 20

■

Incorrect circulation in the solar circuit ............................................... 21

■

Version with SM1 and KM-BUS (solar DHW heating) ........................... 22

Solar DHW heating ............................................................................. 22

■

Variable speed solar circuit pump ....................................................... 22

■

Suppression of DHW cylinder reheating by the heat generator ......... 23

■

Suppression of reheating by the boiler in relation to central heating

■

backup (not in conjunction with heat pumps) ..................................... 23

Maximum collector temperature ......................................................... 23

■

Minimum collector temperature limit ................................................... 23

■

Reducing the stagnation time ............................................................. 24

■

Target temperature control ................................................................. 24

■

Monitoring the flow rate ...................................................................... 24

■

Monitoring of night circulation (not in conjunction with heat pumps) .. 24

■

Heat statement (solar yield) ................................................................ 24

■

Interval function .................................................................................. 24

■

Collector frost protection function ....................................................... 25

■

Extended functions ............................................................................. 25

■

Additional function for DHW heating ................................................... 25

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Differential temperature control 2 ....................................................... 25

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Differential temperature control for central heating backup ................ 25

■

Thermostat function ............................................................................ 25

■

External heat exchanger ..................................................................... 26

■

Cylinder priority control ....................................................................... 26

■

Cyclical heating .................................................................................. 26

■

Relay kick .............................................................................................. 27

Version with SDIO/SM1A electronics module and PlusBus ................... 28

Solar DHW heating ............................................................................. 28

■

Variable speed solar circuit pump ....................................................... 28

■

Suppression of DHW cylinder reheating by the heat generator ......... 28

■

Maximum collector temperature ......................................................... 28

■

Minimum collector temperature limit ................................................... 29

■

Reducing the stagnation time ............................................................. 29

■

Monitoring the flow rate ...................................................................... 29

■

Heat statement (solar yield) ................................................................ 29

■

Collector frost protection function ....................................................... 29

■

................................................ 20

........................................................... 20

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