60
Maintenance
2583701_C_EN_1812_Nortec-GS_OM
Nortec GS
Do not
use solvents, aromatized or halogenized hydrocarbons, or other harsh chemicals for clean
-
ing.
Disinfectants may only be used if they do not leave behind toxic residue. Rinse all parts thor
-
oughly with clean tap water after cleaning.
1. Shut down the humidifier as described in
.
2. Remove the side panel – refer to
"Removal and Installation of Access Panels" on page 54
.
3. Remove the float chamber from the fill box weldment, the three screws, and the float sleeve.
4. Carefully remove the two floats. Make a note of the orientation of the floats.
5. Use a soft-bristled brush (not wire brush) to remove all scale build-up on the floats, the inside of the
float sleeve and the float chamber. Rinse with clean tap water.
6. Visually check each float for cracks or other damage. Place the two floats in a container filled with
clean water, and check that they both have equal buoyancy. If necessary, replace the floats.
IMPORTANT!
When assembling the float sleeve, make sure that the floats are in the same ori
-
entation as when they were disassembled – opposing poles of the magnet within the floats must
face up.
7. Assemble the float sleeve making sure that the floats are installed correctly. Install the float sleeve
and secure it to the fill box with the three screws.
8. Re-start the humidifier – refer to
"Restarting After Shutdown" on page 48
9. Ensure that the Float Check is enabled in the features menu – refer to
10. Check for leaks.
6.5.5
Cleaning Hoses, Dual Fill Valves and Drain Pump
Clean the fill and drain hoses, the dual fill valves and the drain pump as follows. Refer to
.
CAUTION!
Risk of damage to the humidifier components!
Do not
use solvents, aromatized or halogenized hydrocarbons, or other harsh chemicals for clean
-
ing.
Disinfectants may only be used if they do not leave behind toxic residue.
1. Shut down the humidifier as described in
"Restarting After Shutdown" on page 48
.
2. Remove the side panel – refer to
"Removal and Installation of Access Panels" on page 54
.
3. Loosen the hose clamps and remove the fill and drain hoses from the humidifier.
4. Carefully remove the strainer in the dual fill valves. Use a soft-bristled brush (not wire brush) and
carefully remove any scale build-up on the strainer in the dual fill valve. Assemble the dual fill valves
after cleaning, taking care not to damage the strainer.
5. Remove the setscrew, and rotate the drain pump assembly to disengage it from the drain fitting.
Rotate and separate the pump cover from the pump housing. Use a soft-bristled brush (not wire
brush) to remove any scale build-up on the inside of the pump cover, impeller, large O-ring and pump
housing. Assemble all drain pump components in reverse order after cleaning. Install the pump as
-
sembly in the drain fitting, making sure that the small O-ring is installed in the drain fitting. Secure
the drain pump in place with the setscrew.
6. Use a rubber mallet to knock out any scale build-up in the fill and drain hoses. Rinse the hoses
thoroughly with hot tap water before installing the hoses. Secure the hoses with clamps.
7. Re-start the humidifier – refer to
"Restarting After Shutdown" on page 48
8. Check for leaks.
