Initial Verification & Start-Up - Neptronic SKE90 Installation Instructions Manual

!
Initial verification and start-up – commissioning – must be carried out by suitable
qualified personnel.
1. Ensure that the humidifier cabinet is installed in a location where the
Clearance
2. Check that the power supply (voltage) conforms to the appliance name plate
Electrical
3. Confirm that 24Vac is present between tab 1&2 of Control terminal, located
4. Ensure that water is supplied to the humidifier. A shut-off valve must be
Water
5. Confirm that Drain piping is properly connected with a pitch of least 6.5mm
6. Check that steam distributors are properly installed into the ventilation duct.
7. Verify that the flexible steam hoses and rigid steam supply pipes are shorter
Steam
8. Ensure that an air flow switch is installed and properly connected to the
9. Ensure that a High limit duct humidistat is installed, properly connected to
10. Verify that a Room humidistat or returned air duct humidistat is installed,
Controls
11. Turn Power ON at the disconnect switch.
12. Confirm the control signal is matching control signal jumper on Main PCB.
13.
Start-up
14. Check the location of the air flow switch in the system and its operation by stopping the
Safety Test
15. Turn the humidifier OFF, by putting rocker switch of the control panel to the 0 (middle)
16. Execute a manual drain, by putting rocker switch of the control panel to the Drain
Drain and Reset
17. Reset Air flow switch and humidistat(s) to the proper value, if needed.
18. Humidifier is ready for normal operation.
End
humidifier can be serviced correctly.
on the humidifier side.
on the control connection PCB. Remove the front top cover to get to this
PCB.
placed outside the humidifier.
Once the water shut-off valve is turned ON, ensure that there are no
apparent leaks.
per 300mm horizontal run.
length than 5m in total and properly sloped and have condensation S traps
wherever required.
humidifier.
the humidifier and set point is properly adjusted (recommended value: 80%).
properly connected to the humidifier and set point is properly adjusted.
Proceed to start-up the Humidifier, as follows:
a) Open the front access door of the humidifier cabinet; make sure that manual drain
valve is closed.
b) Verify that there is a humidity demand.
Humidity demand is displayed on the humidifier LCD screen.
c) Start up the humidifier by putting rocker switch located on the humidifier control
panel at the ON position
d) Water will start to flow in and slowly rise in the water level sight glass located on
the side of the evaporation chamber.
Observe for water leak along the water line.
e) Humidifier LCD screen will display the water level with 3 levels of information:
Alarm level / Control level / High level
f) As soon as Control level is reached, contact will be activated and heater elements
powered.
From a cold start steam will be produced 3 to 5 minutes after contactors closing
g) Observe for water and steam leaks.
fan.
With no air movement in the air duct, the humidifier will automatically stop.
position
position
A water jet directed on the water level sensor located in the water level sight glass will
start and create bubbles around it.
SKE-XL BACnet Steam Humidifier
Installation Instructions and User Manual
Initial Verification & Start-up
21