Viessmann EM-EA1 extension - Table of Contents

4
1. Information Disposal of packaging ............................................................................ 5
Symbols ................................................................................................. 5
Intended use .......................................................................................... 5
Product information ................................................................................ 6
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System examples ............................................................................... 6
■
Spare parts lists .................................................................................. 6
2. Installation sequence Wall mounting ........................................................................................ 7
Overview of electrical connections ........................................................ 7
Electrical connections ............................................................................ 8
Connecting external functions ............................................................... 8
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Connecting external default set flow temperature: 0 - 10 V IN ........... 8
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Connecting an external default output: 0 - 10 V IN ............................. 9
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Connecting the operating mode changeover: DI1 to DI3 ................... 10
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Connecting external demand:
fD
....................................................... 10
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Connecting external blocking:
fD
....................................................... 11
Connecting the fault message input and fault message output ............. 11
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Connection without system blocking via 230 V fault message input:
fD
....................................................................................................... 11
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Connection with system blocking via 230 V fault message input:
fD
. 12
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Connection with system blocking via 24 V fault message input: DI1 .. 12
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Connecting only message facility:
hH
................................................. 13
Connecting the external LPG valve:
fD
................................................. 13
Connecting the external extractor interlock:
hH
..................................... 13
Connecting the PlusBus to the heat generator ...................................... 14
Power supply ......................................................................................... 14
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Power supply at heat generator .......................................................... 14
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Separate power supply ....................................................................... 14
3. Commissioning and
adjustment
Rotary switch S1 for subscriber number addressing ............................. 17
Configuring functions ............................................................................. 17
4. Connection and wiring dia-
gram
................................................................................................................ 18
5. Specification ................................................................................................................ 19
6. Disposal Final decommissioning and disposal ..................................................... 20
7. Declaration of Conformity Declaration of conformity ....................................................................... 21
Index
Index
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