User's Manual

5
Rinnai Corporasion RHFE-263FAⅡ Conversion Manual
Adjust Gas Pressure Settings
The LED display turns blank and the unit
returns to the normal off mode. While
programming the correct low fire and high fire
gas pressure settings, do not adjust gas
pressure on this appliance using the screw on
top of the gas valve.
11. Press the ON/OFF button to operate the
appliance.
12. Press the SW1 switch. The LED will display “78”
or “7” followed by a symbol.
13. Press the SW1 switch again to change to the low
pressure mode. The LED will display “PL”.
14. 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.
15. Press the Economy button. The LED will display
“18” indicating that the low pressure has been
recorded into memory.
16. Press the SW1 switch TWICE. This puts the
appliance into the high fire mode. The LED will
display “PH”.
17. 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.
18. Press the Economy button to enter the high fire
pressure into memory. The LED display will
display “78”. If the LED shows any thing other
than “78” call Rinnai Technical Support at 1-800-
621-9419 for assistance.
19. Press the ON/OFF button again. The LED
display turns blank and the appliance returns to
the normal OFF mode.
20. 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
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
through the louvers.
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.
Final Assembly
1㧚Install the front panel and bottom cover.
2㧚Place the conversion plate (label) on the front
cover.
NORMAL
ABNORMAL
Flame Rod
Yellow flames or
orange color
Long, clear, blue,
stable flames
Flame Rod
Do not touch the areas at or near the glass panel or
exhaust. These areas become very hot and could
cause burns.