User manual

REU-V1616W/REU-V2018W/REU-V2020W - 33 - Issue 1 - 10/10/03 ©Rinnai
17. Gas Pressure Setting Procedure
The regulator on the Infinity is electronically controlled and factory pre-set. Under normal
circumstances it does not require adjustment during installation. Perform this procedure only if the unit
is not operating correctly and all other possible causes for incorrect operation have been eliminated.
1) Turn 'OFF' the gas supply
2) Turn 'OFF' 240V power supply.
3) Remove the appliance cover.
4) Check gas type switches (fig. 1) are in the correct
position (dip switch 1 of SW2 ‘ON’ = NG, ‘OFF’ = LPG).
5) Attach pressure gauge to burner test point, located on the
gas control. (fig. 2).
6) Turn 'ON' the gas supply.
7) Turn 'ON' 240V power supply.
8) If remote controllers are fitted, turn the unit 'ON' at the
kitchen controller, select the maximum delivery
temperature of 55°C and open a hot water tap fully.
(CAUTION: Ensure building occupants do not have
access to hot water outlets during this procedure).
9) Set the Infinity to 'Forced Low' combustion by setting
No. 3 dipswitch of the (SW1) set of dip switches to 'ON'.
(fig 3)
10) Check the burner test point pressure.
Unit Nat. G LPG
16e 1.8 1.8 
20e 1.8 1.9 
all units in mbar
Service Manual Infinity 16e and 20e
Service Manual Infinity 16e and 20e