Neptronic SKG4-E Startup Procedure

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.

Initial Verification

1. Ensure that the humidifier cabinet is installed in a location in which

Clearance

2. Verify that the power supply (voltage) conforms to the appliance
Electrical
3. Confirm that 24Vac is present between terminals TB4 1&2 on the
Supply
4. Ensure that water is supplied to the humidifier and that a shut-off
5. With the water shutoff valve turned on, check that the drain

Water Supply

6. Confirm that the drain piping is properly connected with a pitch of at
7. Verify that the steam distributors are properly installed into the

Steam

8. Verify that the flexible steam hoses and rigid steam supply pipes
9. Confirm that a proper regulator and gas test point have been

Gas Supply

10. Confirm that gas is supplied to the humidifier and that the shut-off
11. Verify that the flue gas venting is as follows:
Flue Gas
Venting
Note: Aluminum B vent is not acceptable.
12. Ensure that the Airflow switch is properly installed and connected to
13. Ensure that the High limit duct humidistat is properly installed and
14. Ensure that the Interlock is properly connected to the printed circuit

Controls

15. If a room or duct humidistat is used, verify that it is correctly
16. Turn the power on using the circuit breaker.
17. Confirm the control set-up of the humidifier and verify that the
SKG4-E Start-up Check List - 180807
the humidifier can be serviced correctly.
name plate on the side of the humidifier.
control connection PCB. Remove the front top cover to get to this
PCB.
and a non-return valve are placed outside the humidifier.
connections are connected to the main drain line with sufficient
diameter. Ensure that there are no apparent leaks.
least 6.5mm per 300mm horizontal run.
ventilation duct.
are shorter than 5 m in total, are properly sloped and have
condensation "S" traps wherever required.
installed on the gas line to the humidifier.
valve located outside the humidifier is closed. With the shut-off
valve is turned on, check for leaks, gas, smell or hissing sounds.
a) Ensure that a tee is installed with a drain trap for the flue gas
condensate.
b) Check that all connections are air tight.
c) Ensure that the total length of the flue gas venting pipe is no
longer than 30 meters.
d) Verify that an approved venting system has been used.
the printed circuit board. If an Airflow switch is not used, verify that
a jumper is connected between terminals TB3 1&2.
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.
board. If the Interlock is not used, verify that a jumper is connected
between terminals TB3 1&4.
installed and properly connected to the humidifier. Verify that the
setpoints are properly adjusted.
setpoints are properly adjusted.
SKG4-E Gas Fired Humidifier
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Start-up Check List
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