Nortec NH-EL Series - Manual (Page 68)

65 | Maintenance and Servicing
Manual Drain Switch
On/Off Switch
Door Screw
Cylinder Plug
Lift vertically
Hose Clamp
Tilt cylinder
forward to clear
hose and then
lift from drain
valve.
Cylinder
SPACE
SPACE
Removing the Cylinder
1 Drain the existing cylinder. Press Drain Icon on the display. If asked for a password enter
0335 and press the checkmark. Either press “Yes” to confirm the cylinder should be
drained or, for a double unit, select which cylinder(s) should be drained and then press
“Yes”. The display will show that the unit is being drained. Let the humidifier drain until no
more water is flowing out to drain. The NH-EL will count down the drain time with a 20
minute timer.
2 Close supply water shut off valve.
3 Turn the humidifier On/Off switch off.
4 Turn off power to the humidifier with the external disconnect.
5 Loosen the plumbing door screw and remove the door.
6 Remove the cylinder plugs from the cylinder pins by pulling vertically.
7 Using a flat screwdriver, loosen the hose clamp where the hose is connected to the cylinder.
8 Using a small flat screwdriver, press the tab on the cable tie holding the cylinder in place
and pull the cable tie open.
9 Tip the top of the cylinder forward to pivot it out of the steam hose. When free of steam
hose lift the cylinder out.
Figure 48: Cylinder Removal
Warning
 Disconnect main power at the external disconnect before any servicing.
 The plumbing and electrical compartments contain high voltage components and
wiring. Access should be limited to authorized personnel.
 Cylinder may be hot, take care when handling.