10
/08.2014/
humidifier
EN
12.1.4.5 Replacement of fine-wire fuse on the control unit ECCM/S
If the fine-wire fuse on the control unit ECCM/S blows this is usually due to a faulty coil of the inlet or drain valve or
the main contactor. Therefore you should test these components before replacing the fuse.
12.1.4.6 Resetting fault indication (red LED lights in normal operating mode)
To reset the error indication:
Disconnect the steam air humidifier from the mains. Wait approx. 5 seconds, then reconnect the unit to the mains.
Note
: If the fault has not been eliminated, the error indication reappears after a short while.
2 A, time-lag
12.1.5 Maintenance
You find a detailed description of the maintenance procedures in chapter 5 of the humidifier service manual. This
manual is available on the website www.stulz.com in the e-Stulz area under „Downloads/Precision A/C“ as a pdf
document.
Here you can only see a diagram, which shows the average life cycle of a steam cylinder in dependance of the
runtime and the total hardness.
The humidifier runtime can be read in the Info menu of the C7000AT or by the command "humi h" in the C7000.
To replace the fine-wire fuse proceed as follows:
1. Set the steam humidifier OEM2 out of operation as de-
scribed in chapter 12.1.3.5, separate the unit from the
mains and secure it against unintentional switching on.
Take care that the electricity supply to the control unit
ECCM/S is disconnected (check with voltage tester).
2. Replace fine-wire fuse (see figure below) with a fuse
of the given type with the specified nominal current
rating.
CAUTION!
It is not permitted to use repaired fuses or to short-circuit
the fuse holder.
GH: Gesamthärte
DT: Dureté totale
TH: Total hardness
Service intervals for steam cylinder
depending on steam production in hours
Life time
range
Time/
hours
