Connection And Wiring Diagram - Viessmann EM-M1 Installation And Service Instructions Manual

Specification

Connection and wiring diagram

Fig. 23
A1 Mixer extension kit PCB
A2 PCB
F1 Fuse
230 V~ plugs
P1 Heating circuit pump (on site)
sÖ
P3 Mixer motor
gS
Power supply 230 V/50 Hz
fÖ
fÖ A Power supply for accessories
LV plugs
PWM1 No function
TS1 Flow temperature sensor
?
24
S1 Rotary switch for subscriber number addressing
Mixer motor if wall mounted
A
Mixer motor if mixer mounted
B
TS2 No function
TS3 Temperature sensor, low loss header
)
PlusBus connection for connecting to the heat
jF
generator and another accessory