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WARNING
Annual Maintenance must
only be done by a qualified
service technician.
12
TANKLESS WATER HEATER 199
MAINTENANCE
General Care
•
Keep combustible materials and flammable liquids and vapors away from the unit.
•
Keep vent terminals clear of obstructions (snow, dirt, etc .) .
Regular Maintenance
Regular
•
Check the domestic hot water temperature at the faucet to ensure the
temperature is not too hot . If the temperature is too hot, you can adjust the
water temperature with the unit's controller . If these adjustments are not
correcting the issue, call your qualified service technician for service.
•
Check the pressure relief valve and discharge piping for signs of leakage
or moisture. If water or moisture is found, contact your qualified service
technician as soon as possible for service .
•
Regularly check the condensate trap and outlet pipe . The condensate trap
must be full of water . The outlet hose may be connected to a condensate
neutralizer, and if so, check that the pH of the water coming out of the
neutralizer is above 6 .0pH . If the pH is below 6 .0 then the neutralizer will need
to be re-charged or replaced. Contact your qualified service technician for
service .
Annual Maintenance
The unit must be inspected by your qualified service technician for the following:
•
Inspect the flue gas exhaust and air intake connections. All connections
should be tight and leak free .
•
Inspect flue gas exhaust piping, combustion air piping and terminations.
•
Inspect the unit's interior and vacuum if required .
•
Check for water, gas and condensate leaks in the unit and around the unit .
•
Check the condensate trap and clean if required. Re-fill the trap and re-install.
•
Check the water pressure .
•
Check the electrical connections .
•
Check the ignition electrode and remove oxidation from the electrode .
Replace if necessary .
•
Check the gas valve and ignition cable .
•
Check the controller settings .
•
Check the burner's flame. Should be a quick and quiet ignition across the full
burner .
•
If required, clean the heat exchanger and the burner .
USER'S INFORMATION MANUAL
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