Rinnai RHFE-551FA Service Manual page 109

Removal of "OF" on New PC Board Installation
1. Turn Power and Gas off and replace PCB. The
Pressure Sensor (Part #1004F-2051), Sensor Lead
Assembly (Part #1004F-2053) and Igniter (Part
#205000037) will need to be transferred from the
original PCB.
2. Turn on power to the unit, there will be an "OF" in
the units display.
With the unit in the "Off" position press and hold
•
the Test Switch at the top of the PC board until
it beeps.
The unit will display a "0"; press the Test Switch
•
once more. To display the Altitude/Gas Type.
*Note: You will be unable to adjust those pa-
rameters.
3. With the Altitude/Gas Type in the display press and hold the "Set Back" button. The
"Economy" Button will flash. While still holding "Set Back" Press and hold "Economy". The
unit will beep and "- : -" will be in the units display.
4. With the unit in the Off position you can now press and hold the Test Switch until it beeps.
You will be able to adjust your Altitude/Gas Type now using the
5. Turn on gas to the unit and start the Gas Pressure Setting procedure. ***Note before com-
pleting step #12 in the Gas Pressure Settings, you must set your High and Low fan set-
tings.
After setting the "PH" (High Fire), press the Test Switch until the number "7" is dis-
•
played. That is your High Fan speed. Verify that the pressures on your manometer
match your "PH" (High Fire) settings. Using the
"7" to number "1". This is your Low fan speed. Verify that the pressures on your ma-
nometer match your "PL" (Low Fire) settings.
You can now proceed to step #12.
•
Rinnai Direct Vent Service Manual
RHFE-202FTA
RHFE-265FTA
RHFE-434FTA
RHFE-559FTA
and
and buttons reduce the number
buttons.
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