Honeywell HM506 Owner's Manual - Page 9

Cleaning and maintenance TrueSTEAM Direct-Injection Humidifier 2. Turn the manual shutoff valve at the bottom of the tank to the "Unlock" position. 3. Grip the white water valve arm and slide it back within the bracket to disengage from the tank. 4. Firmly grip the tank bottom. Push down the cover's safety button and pull the latch forward to release the tank. Note: Latch does not come off humidifier with tank. M24777 M24779 5. Use tap water to flush loose minerals from the tank. Sediment screen at tank's bottom is removable. For a more thorough cleaning, soak tank in warm, soapy water, then rinse clean. Tank is also dishwasher-safe. M24778 6. Carefully rub minerals off of the heating element and reservoir walls. Scouring pads suitable for non-stick pots or pans are suitable for cleaning the TrueSTEAM reservoir walls and components within the tank. Sediment screen M24856 M24857 Once clean, reattach tank by securing the latch. Engage the water valve to the cam shaft, and "Lock" the shut-off valve. The "Press Reset" light will blink at start-up. Push the RESET button to ready the humidifier.  69-2035EFS-05