55Operation
6.2 Commissioning
Proceed as follows when putting the unit into operation:
1. Examine the steam generator and installation for possible damage.
DANGER!
Damaged devices or devices with damaged installation may present danger to human life or cause
severe damage to material assets.
Damaged units and/or units with damaged or faulty installation must not be operated.
2. Check whether the front panel is mounted and xed with the two screws.
3. Open the shut-off valve in the water supply line.
4. Verify the set humidity value at the humidity controller or at the humidistat, and readjust as required.
5. Switch on the electrical isolator(s) for mains supply/supplies (heating and control voltage).
6. Actuate the unit switch of the steam generator.
The steam generator carries out a system test, during which all the LED’s light up.
If, after the system test:
– the yellow LED lights permanently, the steam cylinder maintenance is due (see chapter 7) or the
maintenance indication has not been reset (see chapter 7.6).
– the red LED lights permanently, a fatal malfunction has occurred (see chapter 8).
After the system test the unit is in normal operation mode.
As soon as the humidity controller or the humidistat requires humidity, power is switched on for heating.
The inlet valve opens (slight delay) and the steam cylinder lls with water. As soon as the submerged
electrodes heat the water up the green LED lights up and after a few minutes (approx. 5–10 minutes,
depending on the conductivity of the water) steam is produced.
Note: If the Condair Sigma is operated with water of low conductivity it may happen that the maximum
steam capacity is not reached in the rst few hours of operation. This is normal. As soon as the con-
ductivity has reached a sufcient level (due to the vaporisation process) the humidier will reach the
maximum steam capacity.
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