Inspection And Maintenance Schedule; Annual Servicing; Maintenance Report; Maintenance Schedules - Navien NCB-24LSWE Service Manual

8. Inspection and Maintenance Schedule

8.1 Annual Servicing

In order to maintain its safe and efficient operation, it is
recommended that the boiler is serviced annually.
CAUTION
Servicing must be performed by a
qualified service agency or gas
supplier
Inspection
 Visual inspection for general signs of corrosion
 Checking and adjusting the gas/air ratio
 Checking flue gas
 Carrying out a water leak test in operation
 Carrying out a gas leak test in operation
 Checking hot water temperature and flow
 Checking noise
 Checking flue systems
 Checking the remote controller
Maintenance
 Draining the boiler and cleaning the inlet water filter
 Cleaning the Return Filter
 Cleaning the intake air filter
 Flushing the heat exchanger
 Replacement of parts

8.2 Maintenance Report

Inspection Items
Draining the Boiler and
Cleaning the Inlet
Water Filter
Cleaning the Return
Filter
Checking the Intake
Air Filter
Flushing the Heat
Exchanger
Replacement of Parts
Version 1.0
Record Date: Date:
YES / NO
YES / NO
YES / NO
YES / NO

8.3 Maintenance Schedules

Owner maintenance
 Check boiler area
Daily
 Check pressure / temperature
gauge
 Check flue piping
 Check air piping (if installed)
 Check air and flue termination
Monthly
screens
 Check relief valve
 Check condensate drain
 Check air ducts
 Test low water cut-off (if used)
Periodically
 Reset button (low water cut-off)
Every 6
 Check boiler piping (gas and water)
months
for leaks Operate relief valve
End of heating
 Shut boiler down (unless boiler
season
used for domestic hot water)

8.4 Inspection Report

Inspection Items
Visual Inspection for
General Signs of
Corrosion
Checking and
Adjusting the Gas/Air
Ratio
Checking Flue Gas
Carrying Out a Water
Leak Test in Operation
Carrying Out a Gas
Leak Test in Operation
Checking Hot Water
Temperature and Flow
Checking Noise
Checking Flue Systems
Checking the front
panel.
Record Date: Date:
YES / NO
YES / NO
YES / NO
YES / NO
YES / NO
YES / NO
YES / NO
YES / NO
YES / NO
NCB Service Manual 137