Nortec NH Series - Manual (Page 54)

51 | Maintenance and Servicing
Major Maintenance
Major maintenance items include all those for the minor maintenance service, with the
exception that the steam tank must be cleaned at this point. The differences in maintenance
requirements are shown below.
Table 14: Minor and major maintenance
Maintenance Item
Unit has Scale
Management
System?
Minor
Maintenance
Interval
Major
Maintenance
Interval
Remove scale tank and empty
Yes Required Required
No N/A N/A
Remove steam tank - clean inside,
as well as heating elements
Yes Optional Required
No Required Required
Resetting Maintenance Indication (Major Maintenance Only)
1. Restore primary voltage to the unit.
2. With the unit in the “off” position, press and hold the drain activation switch.
3. Continue to hold the drain activation switch and turn the main power switch to the “on”
position.
4. Allow the unit to undergo initial startup diagnostics. When the diagnostics are complete,
release the drain activation switch. The unit maintenance should be cleared at this
point.
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.