Table Of Contents - Ariston microCombi Servicing Instructions

TABLE OF CONTENTS

2
Supplied By www.heating spares.co Tel. 0161 620 6677
1. SERVICING INSTRUCTIONS
1.1 R
EPLACEMENT OF
1.2 T G G
O AIN ENERAL
- Removing the front panel
- Removing the sealed chamber front cover
- Removing the side panels
1.3 A C
CCESS TO THE
- Removing the combustion cover
- Removing the burner and jets
- Removing the electrodes
- Removing the heat exchanger
- Removing the air pressure switch
- Removing the fan
- Removing the venturi device
1.4 S R
ERVICING AND
- Setting the gas pressures
- Removing the spark generator
- Removing the gas valve
1.5 A W
CCESS TO THE
- Removing the pump pressure switch
- Removing the safety valve
- Removing the automatic air vent
- 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 diverter valve microswitch
- Removing the diverter valve
1.6 A C
CCESS TO THE
- Checking the fuses
- Removing the time clock
- Removing the P.C.B.
2. FAULT FINDING
2.1 F F G
AULT INDING UIDE
3. ELECTRICAL DIAGRAMS
4. SHORT SPARE PARTS LIST
P
ARTS
A
CCESS
C
OMBUSTION HAMBER
G V
EMOVAL OF THE AS ALVE
C
ATER IRCUIT
S
ONTROL YSTEM
(F - )
LOW CHART