COMMISSIONING
1. Check default setting is compatible with connection of performed signal; if different,
correctly configure electronics before powering, as described in chapter 2.
2. Before powering the humidifier, check correct connection of the phases and type of input
signals; check correct connection of mains water, excess water discharge and steam tube.
If the mains water connection line has been made with piping that may contain oily residues
or other substances generating foam, it is essential to wash the same leaving water to run for
a few minutes.
3. Check for water leaks inside the humidifier.
4. Power the humidifier.
5. The humidifier will perform water discharge for a few second emitting a prolonged beep.
6. Humidifier is now in STAND-BY mode; to switch-on press ON/OFF – STAND-BY key, the
humidifier will display the humidity value measured by the probe for models configured with
PROPORTIONAL 4-20mA mode, or current absorption for those configured in ON/OFF and
PROPORTIONAL 0-10V mode.
7. For the humidifier to work it requires enabling to digital input 1 by means of a potential free
contact (clamps 24 and 25 on the MasterHUM2 microprocessor board), regardless of the
selected functioning mode. Without enabling, the display alternates the OFF writing with
normal displaying.
STEAM OUTPUT
1. Set the wanted humidity value by pressing the SET key and increasing value using the
UP key in PROPORTIONAL 4-20mA models (if set value is above that recorded by
the probe, steam output starts); or given ON/OFF or 0-10V consent in ON/OFF or
PROPORTIONAL 0-10V models.
2. Leave the cylinder to be filled until water starts boiling, completely drain the cylinder with the
MANUAL DISCHARGE key, to trigger the pump and repeat operation 1-2 times.
3. The humidifier is now operational and can correctly and autonomously function.
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