49
caldaie
Delay in ignition with spluttering burner Inadequate gas pressure Check pressure of gas supply and to burner.
See section 2.4 page 13
Efficiency of igniter-control Check position and working condition
electrode See section 1.5.4 page 4
Irregular combustion Check pressure of gas supply and to
burner
See section 2.4 page 13
Check working condition and diameter of nozzles
See section 2.3 page 13
Check working condition of burner
See section 2.3 page 13
Check working condition of gas valve
Best
to install a suitably sized filter on gas
supply
Check modulator resistance
(70-80 OHM)
See section 1.5.17 page 6
Low production sanitary water Selected temperature Check position of corresponding potentiometer
See section 2.2.3 page 12
Limescale or deposits in Clean the exchanger
exchanger
See the table 4.4.8 page 28 C.A.I. - page 30 C.S.I.
Excessive sanitary water Check mains pressure and flow capacity
See APPENDIX - C page 79
Irregular combustion Check pressure of gas supply and to
burner
See section 2.4 page 13
Check working condition and diameter of nozzles
See section 2.3 page 13
Check working condition of burner
See section 2.3 page 13
Check working condition of gas valve
Best
to install a suitably sized filter on gas
supply
Check modulator resistance
(70-80 OHM)
See section 1.5.17 page 6
PROBLEM CAUSE REMEDY
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