Infinity REU-V1616W / REU-V1620W / REU-V2018W / REU-V2020W - 35 -Issue 2 - 21/03/06 ©Rinnai
11) Remove rubber access plug and adjust the regulator
screw on the modulating valve (fig. 4) as required to the
pressure. Table 1. Replace rubber access plug.
12) Set the Infinity to 'Forced High' combustion by setting
both No. 3 and No. 4 dip switches of the bottom (SW1)
set to 'ON'. (fig. 5) ensure maximum water flow.
13) Check the burner test point pressure.
14) Adjust the high pressure
Potentiometer (POT) on the Printed
Circuit Board (PCB) as required to the
pressure shown Table 2. (fig. 1).
15) IMPORTANT: Set dip switches No's 3 and 4 on the
bottom (SW1) set of dip switches to 'OFF' to return the
appliance to 'Normal' combustion. (fig. 6).
16) Close hot water tap.
17) Turn OFF the gas supply and 240V power supply.
18) Remove pressure gauge, and replace sealing screw.
19) Turn 'ON' the gas supply and 240V power supply.
20) Operate unit and check for gas leaks at test point.
21) Replace the front cover of the appliance.
Warning
DURING PRESSURE TESTING OF THE INSTALLATION ENSURE GAS
COCK SITUATED BEFORE UNIT IS SHUT OFF.
FAILURE TO DO SO MAY RESULT IN SERIOUS DAMAGE TO THE
APPLIANCE AND POSSIBLE INJURY.
fig. 4
Pressure Setting High (kPa)
Natural Gas LPG (Propane Gas)
REU-V1616W
REU-V1620W
0.88 0.81
REU-V2020W
REU-V2020W
0.92 0.84
Table 2
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