User manual

55
EN
“UEX-PLUS” +030220621 - rel. 1.1 - 30.05.2008
installeruserservice
CAREL reserves the right to modify or change its products without prior notice.
14.6 Automatic insu cient supply water
management
The humidi er checks whether there is no supply water or the  ow-rate
of supply water is too low, by controlling if the current at the electrodes
increases after opening the  ll solenoid valve.
In this case, the humidi er:
activates the alarm relay,
•
opens the contactor and closes the  ll solenoid valve for 10 minutes•
After the 10 minutes, the  ll solenoid valve is opened, the contactor closed
and the phase current measured: if it increases the alarm is deactivated,
otherwise the procedure is repeated.
NOTE: the alarm is reset automatically and is managed according to the
procedure described above.
14.7 Cylinder “exhaustion” and cylinder “ pre-
exhaustion” alarms
To disable the “cylinder exhaustion” alarm: installer menu > options >
cylinder pre-exhaustion alarm
To set “cylinder exhaustion warning” (maximum operating hours): installer
menu > options > cylinder lifetime warning (setting “0” disables the
alarm).