Rinnai Infinity 26i Installation And User Manual page 30

GAS PRESSURE SETTING
11. Remove rubber access plug and adjust the
regulator screw on the modulating valve (fig. 4) as
required to the pressure below. Replace rubber
access plug.
N.G
LPG
12. Set the Rinnai Infinity to 'Forced High'
combustion by setting no. 7 and no. 8
dipswitches of the top set of switches (SW1) to
'ON'. (fig.5) Ensure maximum water flow.
13. Check the burner test point pressure.
14. Adjust the high pressure potentiometer on
the Printed Circuit Board above SW1 (fig. 6) to
the pressure shown below. The potentiometer
is very sensitive, turn no more than a few
degrees at a time; then let the pressure settle
down before turning it more.
N.G
LPG
15. IMPORTANT: Set dip switch no. 7 and no. 8
on the top set of switches (SW1) to 'OFF'
to return the appliance to 'Normal' combustion.
16. Close hot water tap.
17. Turn OFF the gas supply and 230V power
supply.
18. Remove pressure gauge, and replace sealing
screw
19. Turn 'ON' the gas supply and 230V power
supply.
20. Operate unit and check for gas leaks at test
point.
21. Replace the front cover of the appliance.
1.9 mbar
2.3 mbar
8.5 mbar
10.8 mbar
30
off on
fig. 5
High Press.
Potentiometer
fig. 6
CAUTION
SW1
1
2
3
4
5
6
7
8