Rotary Switch S1 For Subscriber Number Addressing - Viessmann EM-M1 Installation And Service Instructions Manual

Rotary switch S1 for subscriber number addressing

Fig. 13
Connecting the PlusBus to the heat generator
A
jF jF
1 2 3 4
Fig. 14
Extension (electronics module)
A
PlusBus to heat generator
B
B
Note
The rotary switch can be found on the PCB of the elec-
tronics module.
Set rotary switch S1.
System with one heating circuit with mixer:
Heating circuit 2 with mixer: Rotary switch on exten-
■
sion kit to 1
■ EM-P1 extension (heating circuit 1 without mixer):
Rotary switch to 2
System with several heating circuits with mixer:
Heating circuit 2 with mixer: Rotary switch on exten-
■
sion kit to 1
■ Heating circuit 3 with mixer: Rotary switch on exten-
sion kit to 2
■ Heating circuit 4 with mixer: Rotary switch on exten-
sion kit to 3
EM-P1 extension (heating circuit 1 without mixer):
■
Rotary switch to 4
Note
If making the connection to the heat generator with an
external plug for the bus connection, disconnect plug
and connect the wires directly.
jF
Heat generator installation and service instruc-
tions
Installation sequence
13