Installation Manual

120 Rinnai I-Series Condensing Boiler Solo Manual
3. Reinstall the boiler front panel using the four screws to secure it.
1. Check the normal operang sequence:
a. When you press the ON/OFF buon, the LED display will illuminate, the combuson fan
will begin to run if water is owing, and the spark will ignite the main burner.
b. This boiler has an automac ignion system. When the main burner has lit, the In Use
lamp will glow red and the spark will stop.
2. Visual inspecon of ame:
a. Check that the burner ames are operang normally. The ame can be seen through the
circular window above the burner. When operang normally, the burner ame should
burn evenly over the enre surface. The ame should be clear, blue, and stable. A yellow
ame is abnormal and maintenance is required (Figure 4).
SATISFACTORY
Front View
Blue Flame
UNSATISFACTORY
Flame
Rod
Flame
Rod
Yellow or
Green Flame
Figure 4
WARNING
Combuson analysis must be performed by a trained and
qualied professional.
To perform a combuson analysis:
1. Remove the boilers front panel by removing the four screws
that secure the panel.
2. Remove the clamp holding the combuson analysis port cap.
3. Remove the combuson analysis port cap and insert the gas
analyzer probe into the port.
4. Put the boiler into operaon in forced high re or low re as
necessary (see secon “12.7 Forced Hi/Lo Fire Modes”).
Measure CO
2
or O
2
, as applicable, in the exhaust system.
5. Aer measurement, remove the gas analyzer probe, place
the combuson analysis port cap back on, and reinstall the
clamp to secure the cap in place.
Insert gas analyzer probe into
combuson analysis port