Separate Power Supply - Viessmann EM-EA1 Installation And Service Instructions Manual

Power supply
Power supply at the heat generator control unit
L N N
? ?
N
156
Extension
A
Power supply
fÖ
fÖA Power supply for further accesso-
ries
aBH Plug for power supply to accesso-
ries in the heat generator control
unit

Separate power supply

If the power supply for the extension is
not made at the heat generator control
unit.
6
L
L
Create the power supply connection.
Route the power cable to the heat gen-
erator control unit and connect to plug
aBH.
If power is supplied to a further acces-
sory, use plug fÖA provided
Heat generator installation and
service instructions
Danger
Incorrect core assignment can
result in serious injury and dam-
age to the appliance.
Take care not to interchange
wires "L1" and "N".
Danger
Incorrect electrical installations
can lead to serious injury from
electrical current and result in
appliance damage.