21
11.Check the burner test point operating pressure.
12. 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.
13. Set the Rinnai Infinity to 'Forced High'
combustion by setting no. 7 and no. 8
dipswitches to 'ON'. (Fig.5) Ensure maximum
water flow.
14. Check the burner test point pressure.
15. Adjust the high pressure potentiometer on
the Printed Circuit Board above SW1 (Fig. 6)
to the pressure shown below. The potentiome-
ter is very sensitive, turn no more than a few
degrees at a time; then let the pressure settle
down before turning it more.
16.
IMPORTANT
: Set dip switch no. 7 and no. 8
to 'OFF' to return the appliance to 'Normal'
combustion.
17. Close hot water tap.
18. Turn OFF the gas supply and 230V power
supply.
19. Remove pressure gauge, and replace sealing
screw.
20. Turn 'ON' the gas supply and 230V power
supply.
21. Operate unit and check for gas leaks at test
point.
22. Replace the front cover of the appliance.
Gas Pressure Setting
N.G
1.8 mbar
1.8 mbar
LPG
2.2 mbar
2.2 mbar
G20
G25
G30
G31
N.G
9.0 mbar
9.0 mbar
LPG
14.2 mbar
14.2 mbar
G20
G25
G30
G31
off on SW
1
2
3
4
5
6
7
8
Fig. 5
CAUTION
Fig. 6
Adjustment Point
Fig. 4
High Press.
Potentiometer
Summary of Contents for FUA-E
Page 1: ......
Page 5: ...5 Glossary of Terms and Symbols ...
Page 9: ...9 Dimensions ...
Page 11: ...11 Structure Diagram ...
Page 17: ...17 Gas Conversion Procedure ...
Page 18: ...18 Gas Conversion Procedure ...
Page 25: ...25 Operational Flow Chart ...
Page 26: ...26 Time Charts ...
Page 39: ...39 Diagnostic Checks Fault Finding Chart ...
Page 40: ...40 Fault Finding Chart ...
Page 41: ...41 Fault Finding Chart ...
Page 42: ...42 Fault Finding Chart ...
Page 43: ...43 Fault Finding Chart ...
Page 44: ...44 Fault Finding Chart ...
Page 45: ...45 Fault Finding Chart ...
Page 46: ...46 Wiring Diagram ...
Page 49: ...49 Dismantling for Service ...
Page 50: ...50 Dismantling for Service ...
Page 51: ...51 Dismantling for Service ...
Page 52: ...52 Dismantling for Service ...
Page 53: ...53 Dismantling for Service ...
Page 54: ...54 Dismantling for Service ...
Page 55: ...55 Dismantling for Service ...
Page 56: ...56 Exploded Diagram ...
Page 57: ...57 Exploded Diagram ...
Page 58: ...58 Exploded Diagram ...
Page 59: ...59 Exploded Diagram ...
Page 60: ...60 Exploded Diagram ...
Page 61: ...61 Parts List ...
Page 62: ...62 Parts List ...
Page 63: ...63 Parts List ...
Page 64: ...64 Parts List ...
Page 65: ...65 Letter of Compliance ...
Page 66: ...66 CE Certificate ...
Page 67: ......