71
Fig. 49
Rotary switch S1 settings:
■
EM-S1 extension (system with solar collectors):
0
■
EM-EA1 extension (max. 3 extensions in one sys-
tem)
Consecutive no. (any sequence):
1
up to
3
■
EM-P1 extension
–
If no heating circuits with mixer are available in the
system:
1
–
If heating circuits with mixer (EM-M1 or EM-MX
extensions) are present in the system: Always set
subscriber number for EM-P1 extension to the con-
secutive number after EM-M1 or EM-MX exten-
sions.
■
EM-M1 or EM-MX extensions
–
Heating circuit 2 with mixer: Rotary switch on
extension kit to 1
–
Heating circuit 3 with mixer: Rotary switch on
extension kit to 2
Note
EM-EA1 extensions may have the same subscriber
number as the EM-P1, EM-M1 or EM-MX extensions.
The following table shows an
example
of how a sys-
tem may be equipped.
Function
Electronics mod-
ule
Extension
Setting
Rotary switch S1
System with solar collectors
ADIO
EM-S1
0
Heating circuit 2 with mixer
ADIO
EM-M1/EM-MX
1
Heating circuit 3 with mixer
ADIO
EM-M1/EM-MX
2
Heating circuit 1 without mixer (circulation
pump downstream of low loss header)
ADIO
EM-P1
3
Function extensions (e.g.):
■
Fault message input
■
Fault message output
■
Operating mode changeover
DIO
EM-EA1
1
DIO
EM-EA1
2
DIO
EM-EA1
3
System configuration (parameters)
Subscriber numbers of connected extensions
(cont.)
6151778
Parameter