Limited Warranty - Rinnai E75CN Installation & Servicing Instructions Manual

Inspection glass figure 39
Water filter figure 40
i
NOTICE
13.3.1

13.4 Limited warranty

Visual inspection of the fl ame (2 and 4 year maintenance)
The burner must fl ame evenly over the entire surface when operating correctly. The
fl ame must burn with a clear, blue, stable fl ame.
Check the fl ame through the inspection glass in the ignition probe (fi g. 38).
The fl ame pattern should be as shown in the fi gures below.
SATISFACTORY
Ignition probe
UNSATISFACTORY
Ignition probe
Further checks:
- Inspect the pressure relief valve
- Clean the water fi lter in the return pipe
- Check the pH of the water or glycol/water mixture.
The combustion must be checked and adjusted if required at both the 2
year/4000 hour and 4 year/8000 hour service intervals with a properly working
combustion analyzer.
Verify proper operation after servicing. Always reset the service interval counter after
full maintenance interval (every 4 years or 8000 hours of operation).
Reset service interval counter
At 8000 hours of use, "SERVICE" will scroll across the display. "Good" will display
as well alternatively.
To reset the 8000 hour service notifi cation:
- Enter the 1st Tier Settings: 123 Code
- Briefl y press "Mode" again until the Service Chapter is displayed (SERV)
- Hold the "Store" button until SERV fl ashes once—the service notifi cation will no
longer show during normal operation and the countdown to service will reset to
8000.
For warranty conditions refer to the warranty supplied with the boiler.
blue fl ame
yellow fl ame
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