condair Electrode Steam Humidifier EL75

Fill valve strainer removed and cleaned

Fill valve strainer inspected and cleaned, if necessary

Steam and condensate hoses in the humidifier inspected for cracks and securely fastened

Water hoses inspected for cracks and securely fastened

Water filter in the supply line cleaned

All cables inspected for damage and insulation breakdown

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 13 for visual guidance.

Remove the steam cylinder – refer to 'Removal and Installation of Steam Cylinder' on page 66.

Release the hose clamp, and disconnect the fill hose (fill cup to cylinder) from the drain valve.

Disconnect the electrical connectors and the ground wire from the drain valve.

Remove the two screws that secure the drain valve to the cabinet.

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

To disassemble the valve, loosen the brass nut and remove the solenoid assembly from the valve body.

Disassemble the solenoid assembly, and clean all components.

Sign off on the drain valve removal

The Nortec EL steam humidifier control software monitors the performance of the cylinder and indicates when a cylinder is full of scale and no longer able to achieve full output.

When the control software detects the cylinder can no longer achieve full output, the "Cylinder Spent" warning message appears on the Home screen. Replace the steam cylinder(s) – refer to "Removal and Installation of Steam Cylinder" on page 66.

Note: If the steam cylinder is not replaced, and the maintenance counter is not reset within 72 hours (run time), a corresponding fault message appears.;

DANGER! Risk of electric shock! Shut down the unit before replacing the backup battery or fuses.

CAUTION! Electrostatic discharge (ESD)! Take appropriate measures to protect the electronic components inside the unit.

Are ESD protection measures in place?

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).

Are you a qualified service technician authorized by the customer?

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

Door panel on the control cabinet removed

Backup battery in the control board replaced with a new 3V battery (CR 2032)