28
Set the rotary switch on each extension
kit to a consecutive number:
■ Heating circuit with mixer M2: Rotary
switch to 1
■ Heating circuit with mixer M3: Rotary
switch to 2
■ Heating circuit with mixer M4: Rotary
switch to 3
Note
If additional EM-P1 extensions are con-
nected, always set the subscriber num-
bers for the EM-P1 extensions to con-
secutive numbers after the mixer exten-
sion kits.
Connecting the PlusBus to the heat generator control unit
B
A
jF jF
[{][{][{]
DI1 DI2 DI3
1
2
3
4
1
2
3
4
5
6
A
Extension
B
PlusBus to heat generator
Note
If making the connection to the heat
generator with an external plug for the
bus connection, connect the wires
directly.
Heat generator installation and
service instructions
Extension kit with mixer PCB
(cont.)
5836498
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