Gas Pressure Setting Procedure For Rce 606A - Rinnai RCE-606A Manual

GAS PRESSURE SETTING PROCEDURE
All settings/adjustments must be performed by a qualified Service Technician
NOTE: WITH THE UNIT IN THE OFF POSITION, PRESS THE BLUE TEST SWITCH ON THE TOP
CORNER OF THE PCB BOARD. USING THE UP AND DOWN TEMPERATURE BUTTONS ON THE
CONTROL, SELECT LP FOR PROPANE OR 13 FOR NATURAL GAS. PRESS THE TEST SWITCH
AGAIN TO LOCK IN THE GAS TYPE.
THESE UNITS ARE PROGRAMMED FOR THE TYPE GAS ON
THE RATING PLATE AND CAN NOT BE CONVERTED!!!
DO NOT make adjustments in any mode other than the "PL" and/or "PH" mode of operation. Follow the
procedure below; if "PL" or "PH" does not appear in the display DO NOT make any adjustments. If you do not
understand the following procedures contact Rinnai America for assistance at 1(800) 621-9419. This unit is
designed to operate only on the gas type shown on the rating plate attached to the unit.
1. Next start the unit by pressing the "ON/FF" button. Once the unit has fired, press the "TEST" button
on the P.C. board twice. The LED indicator will display "PL", low fire mode. With your manometer
connected to the manifold pressure test port record low fire manifold pressure. If the low fire pressure
is incorrect, adjust it by the screw on top of the modulation valve. Once the pressure has been set,
lock the adjustment screw down with the lock nut and then reconfirm the low fire manifold pressure.
Low fire pressure should be 0.24" W.C., (6 mm) on Natural gas.
Low fire pressure should be 0.75" W.C., (19 mm) on Propane gas.
2. Next press the "TEST" button again, this will put you into the "PH" high fire mode. If the high fire
pressure is incorrect, it can be adjusted by using the " " and " " buttons. Adjust high fire pressure
to correct setting. After you have set unit to the correct manifold pressure, press the "ON TIMER"
button to enter your setting into memory. Next press the "ON/OFF" button to exit the programming
mode.
3. High fire pressure should be 4.2" W.C., (106 mm) on Natural gas.
High fire pressure should be 9.1" W.C., (230 mm) on Propane gas.
TDM-VF 2004
RCE-606A only
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