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.
Summary of Contents for NHRS 010-090
Page 6: ...3 Introduction Humidifier Components Figure 2 NHRS Humidifier Components ...
Page 28: ...25 Installation Figure 17 Duct Sensor Wiring ...
Page 30: ...27 Installation Figure 20 Digital Wall Humidistat Remote Wall Sensor ...
Page 31: ...Installation 28 Transducer Control Wiring Figure 21 Transducers Figure 22 Digital Transducers ...
Page 58: ...55 Troubleshooting Wiring Diagrams Figure 34 Wiring Diagram NHRS 010 to 090 ...
Page 59: ...Troubleshooting 56 Figure 35 Wiring Diagram NHRS 135 to 180 ...
Page 65: ...Spare Parts 62 NHRS Plumbing Parts Figure 36 Exploded view NHRS plumbing parts ...
Page 67: ...Spare Parts 64 NHRS Electrical Parts Figure 37 Exploded view NHRS electrical parts ...
