Table Of Contents - Ariston ecoGENUS 24 MFFI Servicing Instructions

TABLE OF CONTENTS

2
1. SERVICING INSTRUCTIONS
1.1 R
EPLACEMENT OF
1.2 T G G
O AIN ENERAL
- Lowering the control panel and removing the front panel
- Removing the side panels
1.3 A
CCESS TO THE
- Removing the sealed chamber front cover
- Removing the fan
- Removing the burner
- Removing the electrodes
- Removing the heat exchanger inspection panel
- Removing the condensate collector
- Removing the condensate trap
- Removing the injector
1.4 A
CCESS TO THE
- Removing the gas valve
1.5 A
CCESS TO THE
- Removing the D.H.W. (secondary) exchanger
- Removing the safety valve
- Removing the automatic air vent
- Removing the main circuit flow switch
- Removing the diverter valve actuator
- Removing the D.H.W. flow switch
- Removing the pump
- Removing the pressure gauge
- Removing the expansion vessel
- Removing the D.H.W. temperature sensor (N.T.C.)
- Removing the C.H. flow temperature sensor (N.T.C.)
- Removing the C.H. return temperature sensor (N.T.C.)
1.6 A
CCESS TO THE
- Checking the fuses
- Removing the time clock
- Removing the P.C.B.s
2. FAULT FINDING
2.1 F F
AULT INDING
3. ELECTRICAL DIAGRAMS
4. SHORT SPARE PARTS LIST
P
ARTS
A
CCESS
C C
OMBUSTION HAMBER
G V
AS ALVE
W C
ATER IRCUIT
C S
ONTROL YSTEM
G (F - )
UIDE LOW CHART