Gas Pressure Setting Procedure - Rinnai REU-2018W Service Manual

24. Gas Pressure Setting Procedure

Position gas selection switches to the correct position.
(see diagram opposite).
Remove pressure point screw and attach pressure
gauge.
Turn water ON.
Adjust pressure
1) Low
a. Position No. 2 of the bottom set of dip switches
to ON.
b. Remove the plug in the base of the appliance for
access to the regulator screw (modulating
valve).
Unlock screw and adjust to:
• Natural - 0.8 kPa
• Propane - 0.17 kPa
• LPG (NZ) - 0.15 kPa
c. Lock regulator screw (modulating valve).
2) High
d. Position No. 3 of the bottom set of dip switches
to the ON position (leaving No.2 ON).
e. The HI potentiometer on the PCB, adjust the
pressure to:
Natural - 0.90 kPa
Propane - 2.26 kPa
LPG (NZ) 1.90 kPa
f. Position switch No.2 and No.3 of the bottom set
of dip switches to the "OFF" position.
g. Turn water OFF. Replace plug in base.
h. Replace protective plastic cover over PCB.
Infinity REU-2425W - 44 - Issue 2 - 5/07/04 ©Rinnai