Rinnai Energysaver EX17C Conversion Manual page 5

6. Press the test switch twice to record the gas type
code into memory. .
7. Press the ON/OFF button to operate the
appliance.
8. Press the test switch twice. The LED will display
"PL" indicating low fire mode.
9. Compare the pressure reading on the manometer
to the desired manifold test pressure (low) for your
gas type and altitude. If necessary adjust the low
fire pressure using the ▲ and ▼ buttons.
10. Press the test switch. The LED will display "PH"
indicating high fire mode.
11. Compare the pressure reading on the manometer
to the desired manifold test pressure (high) for
your gas type and altitude. If necessary adjust
the high fire pressure using the ▲ and ▼ buttons.
12. Press the ON/OFF button again. The LED display
turns blank and the appliance returns to the
normal OFF mode.
13. Remove manometer and install Allen head
screws. Operate the unit and
• check the normal operating sequence
• visually inspect the flame
• check for gas leaks at the test points
Adjust Gas Pressure Settings
Rinnai Corporation EX17C / EX22C Conversion Manual
Normal Operating Sequence
When you press the ON/OFF button, the LED display
will illuminate, the combustion fan will begin to run,
and the spark will ignite the main burner.
This heater has an automatic ignition system. When
the main burner has lit, the combustion lamp will glow
red, and the spark will stop.
Visual Inspection of Flame
Check that the burner flames are operating normally.
The flame can be seen through the circular window.
When operating normally the burner flame should
appear as long, clear, blue, stable, streaks. Yellow
flames or an orange color is abnormal and
maintenance is required.
NORMAL
Flame Rod
Long, clear, blue,
stable flames
ABNORMAL
Flame Rod
Yellow flames or
orange color
Final Assembly
1. Install the front panel and bottom cover.
2. If doing a gas type conversion, place the new
conversion plate (label) on the front cover.
CAUTION
When attaching the front panel, do not clip or pinch
any of the electrical wires in order to prevent any
electrical shock.
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