-2
6-
REGULAR MAINTENANCE
PREVENTIVE MAINTENANCE
Hot Surface
Ignitor
X
- Check for continuity 50-300 ohms.
- Check that Flame Sensor is straight.
- Clean sensor with fine steel wool.
- Remove from the unit and clean with compressed
air from outside matting.
NOTE: It is recommended to replace the burner
gasket
(PN1708206) each time a burner is removed.
Drain Lines
X
- Switch to drain and make sure water flows freely.
Unit should be completely drained after a maximum
of 10 min.
- 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.
Float Chamber
X
X
X
- Ensure floats move freely.
- Clean scale from float chamber and hose
connecting to hit. (Replacement hose
P/N 150-4443 P/N 150-4442)
Fill Lines
X
X
X
- Inspect for leaks. (P/N 150-4443 for hose set).
Drain Lines
X
X
X
- Inspect for leaks at the drain pump, fill cup and float
chamber. (P/N 150-4444 for hose set).
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.
- Replace hot surface ignitor and flame sensor
with replacement kit P/N 150-3884.
MANDATORY MAINTENANCE SCHEDULE
WHAT NEEDS TO BE DONE?
Flame Sensor
X
X
X
X
Tank
END OF
SEASON
MID
30 DAYS
after initial
start-up
PARTS
X
Gas Burner
Содержание GH 100
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