Rinnai Infinity 20e Installation And User Manual page 74

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.
Service Manual Infinity 16e and 20e Service Manual Infinity 16e and 20e
Infinity REU-V2626W / HD200E REU-V2632WC
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.
- 34 -
fig. 4
Unit Nat G LPG
16e 8.8 8.1
20e 9.2 8.4
all units in mbar
Issue 1 - 10/10/03 ©Rinnai