condair Electrode Steam Humidifier EL30

Refer to Figure 13 for visual guidance.

Fill hose disconnected from the drain valve

Electrical connectors and ground wire disconnected from the drain valve

Two screws securing the drain valve to the cabinet removed

O-ring in the drain valve removed and discarded

Valve disassembled by loosening the brass nut and removing the solenoid assembly from the valve body

Solenoid assembly disassembled and all components cleaned

Sign off on the drain valve removal

DANGER! Risk of electric shock! The Nortec EL steam humidifier is mains powered. Live parts may be exposed when the door panels are removed. Touching live parts may cause severe injury or even death.

Prevention: Shut down the unit as described in 'Shutting Down' on page 62 before replacing the backup battery or fuses.

CAUTION! Electrostatic discharge (ESD)! The electronic components inside the control cabinet in the humidifier are sensitive to electrostatic discharge (ESD).

Prevention: Take appropriate measures to protect the electronic components inside the unit against damage caused by electrostatic discharge (ESD). Refer to ANSI/ESD-S20.20.

Only a qualified service technician authorized by the customer should replace the backup battery in the control board and the fuses in the driver board(s).

Always replace defective fuses with new fuses that match the specification given in the procedure below. Never short-circuit and bypass the fuses.

Replace the backup battery in the control board, and the fuses in the driver board(s) as follows. Refer to Figure 14 on page 70.

Remove the door panel on the control cabinet. Remove the locking screw and swing the front panel open.

Replace the backup battery in the control board with a new 3V battery (CR 2032).

WARNING! Risk of severe burns from contact with hot surfaces, steam or hot water! The steam cylinder temperature may be up to 212°F (100°C), and may contain steam or hot water at up to 212°F (100°C). Contact with the hot surfaces, steam vapors or hot water can result in severe burns. Prevention: Avoid touching any components in the plumbing cabinet until the unit has cooled down to room temperature.

Shut down the humidifier as described in 'Shutting Down' on page 62.

Remove the door panels – refer to 'Removal and Installation of Door Panels' on page 65.

Loosen the hose clamp that secures the steam hose to the steam outlet in the cylinder, and slide the clamp up on the hose.

Disconnect all the electrode plugs from the electrodes in the steam cylinder.

Disconnect the plug from the high water level sensor.

Release the tab in the strap that secures the steam cylinder, and pull the strap open.

Tilt the steam cylinder forward so the steam outlet disengages from the steam hose, then remove the cylinder from the drain valve.

Remove and discard the O-ring in the drain valve.

Water Hoses: Use a rubber mallet to knock out any scale buildup in the hoses. Rinse the hoses thoroughly with hot tap water.

Fill valve: Use a soft-bristled brush (not wire brush) to carefully remove any scale buildup inside the fill valve and in the strainer.

Drain Valve - Valve Body: Use a soft-bristled brush (not wire brush) to remove any scale buildup inside the valve body of the drain valve.

Release the two tabs and remove the cover on the fill cup.

Use a soft-bristled brush (not wire brush) to remove any scale buildup inside the fill cup.

Install the cover on the fill cup.

Use a soft-bristled brush (not wire brush) to carefully remove any scale buildup inside the drain cup.

Refer to Figure 11 for visual guidance.

Turn the captive screw in each door panel counter-clockwise with a screwdriver.

Lift up the door panel slightly so that the tabs clear the notches in the cabinet.

Sign off on the door panel removal