SKS - Steam to Steam Humidifier
Installation Instructions and User Manual
26
Initial Verification
Initial verification and start-up - commissioning
– must be carried out by suitable
qualified personnel.
Clearance
1. Ensure that cabinet of the humidifier is installed in a location where the
humidifier can be serviced correctly.
Electrical Supply
2. Check that the power supply (voltage) conforms to the appliance name plate
on the humidifier side.
3. Confirm that 24Vac is present between tab 1&2 of Control terminal, located
on the control connection PCB. To get to this PCB remove the front top
cover.
Water Supply
4. Ensure that water is supplied to the humidifier. A shut-off valve must be
outside the humidifier.
Once the water shut-off valve is turned ON, ensure that there are no
apparent leaks.
5. Confirm that Drain piping is properly connected with a pitch of at least
6.5mm per 300mm.
Humidification
Clean Steam
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
in total length than 5m and properly sloped and have condensation P traps
wherever required.
HTHW / Raw
Steam Supply
8. Confirm that Raw steam or HTHW is supplied to the humidifier and the shut-
off valve located outside the humidifier is closed.
Once the shut-off valve is turned ON, check for leaks or hissing sound.
9. In case of raw steam supply, verify type and size of condensate return steam
trap. Steam trap must be of Float type and of sufficient dimension, according
to capacity.
Controls
10. Ensure that the control valve is properly connected to the output control
signal of humidifier.
11. Ensure that a High limit duct humidistat is installed, properly connected to
the humidifier and set point properly adjusted.
12. Verify that Room humidistat or returned air duct humidistat is installed,
properly connected to the humidifier and set point properly adjusted
13. Turn Power ON at the disconnect switch
14. Confirm the control set-up of the humidifier (step 7 of programming mode).
The humidifier is factory set with EXTERNAL control set-up, which means
that the humidity demand is controlled by the room or duct humidistat.
15. Ensure that the type of signal (0-10Vdc, 2-10Vdc or 4-20mA) of the
humidistat correspond to the type set in the humidifier control set-up menu,
step 7 of programming mode
!
Содержание SKS-100-SLP
Страница 38: ...Notes...
Страница 39: ......