20
Series GEN 2 Ultrasonic Humidifier IOM Manual
Electrical Parts
1. Stop the humidifier.
2. Set the control box disconnect switch to Off.
3. Close the water supply valve.
4. Drain the water tank.
NOTE: Do not to splash water on the electrical parts.
5. Loosen the mist guide cover mounting screws from the top
of the humidifier and remove it (Photo 1).
6. Remove the terminal box cover and disconnect the
electrical connector.
7. Remove the screws (4 pieces) holding the electrical box
access cover (Photo 2).
8. Remove the electrical box access cover (Photo 3) and
inspect the interior and verify the following:
• No water leakage from the solenoid valve joint.
• No damage to electrical wires or cables.
• No parts abnormalities.
9. Slide the board out and ensure there is no discoloration,
deformation or deterioration of the printed circuit (Photo 4).
10. Remove the terminal connectors (4 each) from the sides of
the level control board (Photo 5).
If any defects are found with the electrical parts, take remedial steps.
Refer to Common Repairs/Parts Replacement.
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