Nortec livesteam, Installation And Operation Manual

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31 | LS Installation Manual
Humidifier Leaks Water From Tube Adapter 1. Tighten tube adaptor.
2. Defective o-ring in tube adapter - replace
o-ring.
3. Is the o-ring lubricated?
Over Humidifying 1. Valve stem adjusted too tight and sticking.
2. Valve spring broken.
3. Foreign matter is preventing the valve from
closing.
4. Valve is installed incorrectly.
5. Steam pressure exceeds rating of valve
spring.
6. Controller out of calibration.
Under Humidifying 1. Boiler pressure is inadequate.
2. Steam piping is either undersized or piped
incorrectly.
3. Strainer is plugged.
4. Valve is not fully opened. (Check for leaking
air in actuator.)
5. Humidifier is undersized.
6. Controller is out of calibration.
7. Excess amounts of outside air.
8. Open doors, window, loading / shipping
docks.
Humidity Swings 1. Controller is malfunctioning.
2. Poor location of humidity sensor.
3. Humidifier is oversized.
4. Boiler pressure swings too widely
5. Pressure reducing valve is not working
properly (if installed).
Spitting During Start-Up 1. Add temperature switch.
2. Are drip legs installed?
3. Was the piping supplied undersized?
4. Is the boiler carrying too much condensate?
5. Is the boiler undersized or does it have the
incorrect pressure?
Condensate In Duct 1. Mounting too close to devices (elbows,
dampers, etc.) in duct.
2. Duct surface temperature is too low.
3. Oversized humidifier.
4. Malfunctioning or lack of safety high limit
humidistat.