Pure Humidifier INSTY-PAC, Инструкция по установке и сборке

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7
Troubleshooting
Too Much Humidity
1. Humidity controller out of calibration.
2. Valve stem sticking.
3. Valve spring broken.
4. Foreign matter preventing valve from closing.
Too Little Humidity
1. Strainer screen plugged.
2. Stop valve not fully open.
3. Humidity controller out of calibration.
4. Inadequate steam pressure.
5. Undersized humidifier.
6. Automatic control valve not opening fully.
A) Pneumatic valve operator leaking air.
B) Valve stem sticking.
Humidifier Discharges Water
1. Faulty drainage:
A) Return line pressure greater than humidifier pressure.
B) Return line flooded.
C) Dirty steam trap.
D) Vertical lift.
E) Wrong type steam trap, float type must be used.
F) Tube assembly not level.
2. Faulty steam supply:
A) Humidifier supply not taken from top of main.
B) Long, un-trapped supply line.
C) Steam main flooded due to priming boiler.