ECR International ADWAL Serie Manuel D'installation page 37

Impedance Information
(Applicable to the following units only)
This appliance ADWAL09DA / ADWAL12DA can be connected only to a supply with system
impedance no more than 0.373 . In case necessary, please consult your supply authority for
system impedance information.
This appliance ADWAL18DA can be connected only to a supply with system impedance
no more than 0.210 . In case necessary, please consult your supply authority for system
impedance information.
This appliance ADWAL24DA can be connected only to a supply with system impedance
no more than 0.129 . In case necessary, please consult your supply authority for system
impedance information.
Page 36