Nortec NH-EL Series - Manual (Page 70)

67 | Maintenance and Servicing
Figure 50: Drain Valve Actuator Assembly
Installing the New Cylinder
1 Insert cylinder into drain valve. Tilt cylinder forward and fit end of steam hose to steam
outlet. Tip cylinder back into place.
2 Secure cylinder with the reusable cable tie. Hand tighten hose clamp being careful not to
over tighten and crush the plastic cylinder steam outlet. The Maximum torque is 12 in-lbs
for 7/8”Nortec steam hose and 16 in-lbs for 1 3/4" Nortec steam hose.
3 Attach color coded cylinder plugs to the corresponding color coded cylinder pin. Push down
completely. Connect high water sensor plug. Spring loaded plugs should fit snuggly onto
the cylinder pin. Replace if they are loose or damaged.
4 Replace the humidifier door and secure with door screw.
5 Turn on power to humidifier with the external disconnect.
6 Open supply water shut off valve.
7 Turn the humidifier On/Off switch to On.
8 After the software has completed its start up self check reset the cylinder by pressing in the
cylinder box of the status screen and confirming the cylinder was replaced in the following
screen.
CAUTION: Make sure the new cylinder is the same model as the one that was removed. Model number
is on top left corner of cylinder label.
Sleeve
and
Solenoid
Spring
Plunger
(Note Orientation)
NOTE: If the “Cylinder Reset” is not performed the humidifier will operate for 72 hours and then fault
on cylinder spent!