Nortec NH Series - Manual (Page 52)

49 | Maintenance and Servicing
Minor Maintenance

The NHRS will indicate “minor maintenance due” with a yellow flashing LED and a
message on the LCD.
1. Visual inspection must be performed before minor and major maintenance.
a. Inspect all water and steam installations for possible leakage or damage.
b. Inspect electrical installation for lose or frayed cables, as well as damaged
components.
c. Inspect the condition of the unit cabinetry for damage.
d. Survey the area surrounding the humidifier – make sure all clearances are met.
2. Maintenance
a. Manually drain the NHRS by pressing the drain button on the display.
b. Turn the unit power to the “off” position.
c. Switch the external electrical disconnect to the “off” position (open).
d. Remove the screw that holds the front door on the cabinetry in place.
e. Remove the Font Panel by sliding the panel upward and away from the unit.
f. Confirm that the high voltage feed to the unit is off, then remove the high voltage
wires that connect to the top of the steam tank.

The heating elements will not be affected if they are connected to different power lines
when re-installed. When re-connecting heating elements, ensure a tight engagement
with a “click” of the connectors.
g. Using a slotted screwdriver, loosen the gear clamps that hold the steam line in
place.
h. Remove the steam line.
i. Remove the zip-tie cylinder restraint.
j. Lift the cylinder upward, then out of the front of the unit.
WARNING: A qualified service person should perform all maintenance on the
humidifier and any other equipment provided by Nortec that requires maintenance.
NOTE: Instruction and details concerning the maintenance of the Nortec equipment
must be observed and adhered to without fail. Only the maintenance documented
in this manual must be carried out.
WARNING: The NHRS brings water up to boiling temperatures. The steam tank and
plumbing components may be hot. Allow the unit an appropriate amount of time to
cool before performing service.
WARNING: High voltage! Disconnect main power before servicing the unit