Nordmann DC4 - Remote Operating And Fault Indication; Inspections During Operation; Carrying Out Manual Draining

16
4.2.3 Inspections during operation
During operation the Nordmann RC4/DC4 and the humidication system have to be inspected weekly.
On this occasion check the following:
• the water and steam installation for any leakage.
• the steam humidier and the other system components for correct xing and any damage.
• the electric installation for any damage.
If the inspection reveals any irregularities (e.g. leakage, error indication) or any damaged compo-
nents take the Nordmann RC4/DC4 out of operation as described in chapter 4.3. Then, contact your
Nordmann representative.
4.2.4 Carrying out manual draining
Proceed as follows to drain the unit manually:
Briey press the drain key.
The heating voltage is interrupted and the drain pump starts. As long as the
manual drain cycle is in progress the three LED light up successively.
To stop the drain cycle press the drain key again.
To Stop Press
Manual Drain
Manual Drain Key!
Menu Set
4.2.2 Remote operating and fault indication
If your unit is equipped the optional remote operating and fault indication PCB the following operat-
ing status are shown remotely:
Activated remote
indication relay
When? Display on unit
“Error” A error is present, further operation
is normally not possible any longer,
the heating voltage is interrupted.
Red LED lights and an error mes-
sage is shown in the display.
“Service” The steam cylinder is spent and
must be replaced. The unit remains
operational for a certain time.
Yellow LED lights and the service
warning message is shown in the
display.
“Steam” Steam demand/Steam production Green LED lights and the standard
operating display is shown.
“Unit on” Unit is switched on. Unit switch lights and the standard
operating display is shown.