Viessmann EM-EA1 extension User Manual

17
Fig. 17
Set rotary switch S1 to a consecutive numbers as
shown in the example below:
■
1st EM-EA1 extension: Rotary switch to 1
■
2nd EM-EA1 extension: Rotary switch to 2
■
3rd EM-EA1 extension: Rotary switch to 3
Note
These settings are independent of the settings made
at other extensions, such as EM-MX (mixer). If an
EM-EA1 extension (DIO electronics module) has the
setting 1, an EM-MX, EM-M1 or EM-P1 extension
(ADIO electronics module) can also have the setting 1.
Configuring functions
Set the connected function during commissioning of
the heat generator.
Commissioning assistant
Heat generator installation and service instruc-
tions
Setting for the connected function in the commissioning assistant:
Function Setting
External functions
■
External default set flow temperature "External set flow temperature 0 to 10 V"
■
External default output "External default output 0 to 10 V"
■
Operating mode changeover "Operating mode changeover"
■
External demand "External demand"
■
External blocking "External blocking"
Fault message input and fault message output
■
Connection without system blocking "Fault message input 230 V and fault message out-
put"
■
Connection with system blocking, 230 V "Fault message input 230 V and block system"
■
Connection with system blocking, 24 V "Fault message input 24 V and block system"
■
Connecting only message facility (e.g. buzzer) "Fault message output 230 V"
External LPG valve "LPG valve"
External extractor interlock "Cooker hood"
Commissioning and adjustment
Rotary switch S1 for subscriber number addressing
6131087
Commissioning

Viessmann EM-EA1 extension Specifications

General

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