SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Start-up Procedure
Initial verification and start-up must be carried out by suitably qualified personnel.
It is strictly recommended to follow this start-up procedure in order to avoid any anomaly resulting from
inaccurate installation of the components. In case of any problems or discrepancies, consult the
Troubleshooting section (see page 67).
Initial Verification
Clearance
1. Ensure that the humidifier cabinet is installed in a location in which the
humidifier can be serviced correctly.
Electrical
Supply
2. Verify that the power supply (voltage) conforms to the appliance name plate
on the side of the humidifier.
3. Confirm that 24Vac is present between terminals TB4 1&2 on the printed
circuit board.
Water
Supply
4. Ensure that water is supplied to the humidifier and that a shutoff valve is
placed outside the humidifier.
5. With the water shutoff valve turned on, check that the drain connections are
connected to the main drain line with sufficient diameter. Ensure that there
are no apparent leaks.
6. Confirm that the drain piping is properly connected with a pitch of at least
6.5mm per 300mm horizontal run.
Steam
7. Verify that the steam distributors are properly installed into the ventilation duct
or that the SDU is properly installed and connected to the humidifier.
8. Verify that the flexible steam hoses and rigid steam supply pipes are shorter
than 5
a , a e
e
ed a d ha e c
de a
S a
wherever required.
Controls
9. Ensure that the Airflow switch is properly installed and connected to the
printed circuit board. If an Airflow switch is not used, verify that a jumper is
connected between terminals TB3 1&2.
10. Ensure that the High limit duct humidistat is properly installed and connected
to the printed circuit board. Verify that the setpoint is properly adjusted. If a
High limit duct humidistat is not used, verify that a jumper is connected
between terminals TB3 1&3.
11. Ensure that the Interlock is properly connected to the printed circuit board. If
the Interlock is not used, verify that a jumper is connected between terminals
TB3 1&4.
12. If a room or duct humidistat is used, verify that it is correctly installed and
properly connected to the humidifier. Verify that the setpoints are properly
adjusted.
13. Turn the power on using the disconnect switch or circuit breaker.
14. Confirm the control set-up of the humidifier and verify that the setpoints are
properly adjusted.
