Ariston microGENUS 23 MFFI Servicing Instructions - Page 2

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Also for Ariston microGENUS 23 MFFI: Installation Instructions Manual (25 pages), User Manual (24 pages), Servicing Instructions (28 pages)

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Ariston microGENUS 23 MFFI Servicing Instructions

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TABLE OF CONTENTS

2

1.

SERVICING INSTRUCTIONS

1.1

1.2

- Removing the front panel

- Removing the sealed chamber frontal cover

- Removing the side panels

1.3

- Removing the combustion cover

- Removing the burner and jets

- Removing the electrodes

- Removing the main heat exchanger

- Removing the air pressure switch

- Removing the fan

- Removing the venturi device

1.4

S

- Setting the gas pressures

- Removing the spark generator

- Removing the gas valve

1.5

- Removing the D.H.W. (secondary) exchanger

- Removing the safety valve

- Removing the automatic air vent

- Removing the main circuit flow switch

- Removing the pump

- Removing the pressure gauge

- Removing the expansion vessel

- Removing the overheat thermostat

- Removing the heating temperature sensor (N.T.C.)

- Removing the D.H.W. temperature sensor (N.T.C.)

- Removing the divertor valve actuator

- Removing the D.H.W. flow switch

1.6

- Checking the fuses

- Removing the time clock

- Removing the P.C.B.

2.

2.1

3.

ELECTRICAL DIAGRAMS

4.

SHORT SPARE PARTS LIST

R

G

V

-

)

B063

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