4
1 Introduction
The present service manual is meant for the Nordmann service technician
and assumes a profound knowledge on the Nordmann AT4 D. It is also as-
sumed that the Service technician has notice of the mounting instructions
as well as of the operating instructions of the Nordmann AT4 D and that he
is familiar with the dangers when working on the unit.
The present service manual includes the following information:
– Description of the settings in the engineering level of the Nordmann AT4
D control.
– Information on operational malfunctions
– Information on the control matrix of the steam bath control
– Information on the water management
– Block diagrams of the control electronics