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8. Commissioning
Warning:
This unit is only to be started by qualified personnel.
Switching off steam humidifier
Warning:
Before starting up the unit, make sure you know how
to switch it off.
»
Switch off unit by setting control switch to “0”
»
Close water supply stopcock valve.
Check of electrical wire connections
»
Check that all electrical wire connections, including
heater element wire connections, are tight and secure.
»
Check cylinder seating, and if necessary steam and
condensate hose clamps.
Switching on Steam Humidifier
»
Switch on main breaker.
»
Open water supply stopcock valve. Operating pressure
100 x 10
3
to 100 x 10
4
Pa (1 to 10 bar overpressure).
»
Switch on unit by setting control switch to “I”.
»
Set control of initial operation check to humidity
demand.
The following functions are operating:
•
The unit performs a self-test. If the control includes a
display, the message “self-test“ is displayed.
•
When there is a demand for humidity, the water inlet
solenoid valve opens and feeds water into the steam
cylinder.
•
Initiation of steam production can take up to 20 min-
utes.
Let all electrically-driven operations run to completion.
As soon as the solenoid valve begins replenishing the water
periodically, the steam humidifier operates at steady nominal
output and the cold start sequence is complete.
»
Monitor the unit and let it operate for 15 to 30 minutes.
If leaks appear, switch off the unit.
»
Repair leaks, and in doing so:
Attention, Hazardous Voltage!
Follow safety instructions for
work on live components.
