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1. Information Disposal of packaging ............................................................................ 5

Symbols ................................................................................................. 5

Intended use .......................................................................................... 5

Product information ................................................................................ 6

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System examples ............................................................................... 6

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Spare parts lists .................................................................................. 6

2. Installation sequence Wall mounting ........................................................................................ 7

Overview of electrical connections ........................................................ 7

Electrical connections ............................................................................ 8

Connecting external functions ............................................................... 8

■

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

■

Connecting external demand:

....................................................... 10

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Connecting external blocking:

....................................................... 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:

....................................................................................................... 11

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Connection with system blocking via 230 V fault message input:

. 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:

................................................. 13

Connecting the external LPG valve:

................................................. 13

Connecting the external extractor interlock:

..................................... 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

6131087

Brand	Viessmann
Model	EM-EA1 extension
Category	Control Unit
Language	English

Viessmann EM-EA1 extension User Manual

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Viessmann EM-EA1 extension Specifications

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