Nortec GS Series - Manual (Page 48)

45 | GS Series Installation
Table 9: Mandatory Maintenance Schedule
Parts
30-days
after
initial
start-up
Mid
End of
Season
(2000
hours)
What needs to be done?
Regular Maintenance Preventive Maintenance
Hot Surface
Ignitor
X Check for continuity.
Replace hot surface igniter
and flame sensor with
replacement kit.
Flame Sensor X
Check that Flame Sensor is
straight.
Clean sensor with fine steel
wool.
Gas Burner X
Remove from the unit and
clean with compressed air
from outside matting.
NOTE: It is recommended to
replace the burner gasket
each time a burner is
removed.
Drain Lines X
Switch to drain and make
sure water flows freely.
Tank X X X
Adjust blow down time when
required. Check that scale
has not accumulated above
2".
Drill out tank nipples when
required to ensure nipples
are not blocked with scale.
Clean tank when required. Clean tank.
Magnesium
Anode
x
Check for severe corrosion
or scale build up on anode.
Replace or scrape off scale
if necessary.
Float Chamber X X X Ensure floats move freely.
Clean scale from float
chamber and hose
connecting to it.
Fill Lines X X X
Adjust blow down time when
required. Check that scale
has not accumulated above
2".
Drain Lines X X X Clean tank when required.
Gas Venting X X X
Inspect for leaks. Ensure
terminal cap is clear and any
condensation produced flows
to condensate traps. Flue
temp should be between
350-400ºF.
Direct Vent X X
Inspect for leaks. Ensure
intake terminal is clear.
H/L Stack
Sensor
X X X
Visual check that sensor is
intact, wired and attached to
the exhaust.