Ariston ACO 32 RFFI SYSTEM User Manual

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TABLE OF CONTENTS
1. GENERAL INFORMATION
1.1. GENERAL INFORMATION 3
1.2. TECHNICAL INFORMATION 4
1.3. OVERALL VIEW 6
2. INSTALLATION
2.1. REFERENCE STANDARDS 7
2.2. SITING THE APPLIANCE 7
2.3. OVERALL DIMENSIONS 8
2.4. MINIMUM CLEARANCES 8
2.5. MOUNTING THE APPLIANCE 9
2.6. ELECTRICAL CONNECTION 9
2.7. GAS CONNECTION 9
2.8. WATER CONNECTIONS 10
2.9. FLUE CONNECTIONS 13
2.9.1 FITTING THE COAXIAL FLUE
(Ø 60 / 100 HORIZONTAL) 14
2.9.2 FITTING THE 5” FLUE
(Ø 80 / 125 Horizontal/Vertical) 15
2.9.3 FITTING THE COAXIAL FLUE
(Ø 60 / 100 VERTICAL) 16
2.9.4 FITTING THE TWIN PIPE (Ø80 / 80) 17
2.10. FITTING THE MECHANICAL/DIGITAL
TIME CLOCK 20
2.11. SETTING THE MECHANICAL TIME CLOCK 22
2.11.1. SETTING THE DIGITAL TIME CLOCK 22
2.12. ACCESSORY CONNECTION 24
2.13. ELECTRICAL DIAGRAM 26
2.14. WATER CIRCUIT DIAGRAM 28
3. COMMISSIONING
3.1. INITIAL PREPARATION 30
3.2. REMOVING THE CASING 32
3.3. CONTROL PANEL 33
3.4. INITIAL START-UP 35
3.5. DISPLAY: MESSAGES SHOWN DURING
NORMAL OPERATION 36
3.6. OPERATING PARAMETERS 37
3.6.1. REGULATION MENU TABLE 37
3.6.2. SETTINGS DISPLAY 43
3.6.3. GAS REGULATION CHECK 44
3.6.4. IGNITION DELAY ADJUSTMENT 45
3.6.5. ADJUSTING THE MAXIMUM HEATING
POWER 45
3.6.6. SOFT LIGHT ADJUSTMENT 45
3.7. CHANGING THE TYPE OF GAS 45
3.8. ADJUSTING THE DOMESTIC HOT
WATER FLOW RATE 45
3.9. BALANCING THE CENTRAL
HEATING SYSTEM 45
3.10. BOILER SAFETY SYSTEMS 46
3.11. COMPLETION 47
3.12. DRAINING 47
4. ZONE VALVES 48
5. SEQUENCE OF OPERATION 51
5.1 CENTRAL HEATING MODE 51
5.2 DOMESTIC HOT WATER MODE 51
6. MAINTENANCE 52
6.1. GENERAL REMARKS 52
6.2. CLEANING THE PRIMARY EXCHANGER 52
6.3. CLEANING THE CONDENSATE TRAP 52
6.4. OPERATIONAL TEST 52
7. SERVICING INSTRUCTIONS 53
7.1. REPLACEMENT OF PARTS 53
7.2. TO GAIN GENERAL ACCESS 53
7.3. ACCESS TO THE COMBUSTION
CHAMBER 54
7.3.1. REMOVING THE FAN 54
7.3.2. REMOVING THE AIR PRESSURE SWITCH 55
7.3.3. REMOVING THE BURNER 55
7.3.4. REMOVING THE ELECTRODES 56
7.3.5. REMOVING THE HEAT EXCHANGER 56
7.3.6. REMOVING THE CONDENSATE
TRAP (TUBE)58
7.3.7. REMOVING THE CONDENSATE TRAP 58
7.4. ACCESS TO THE GAS VALV E 59
7.4.1. REMOVING THE GAS VALVE 59
7.4.2. REMOVING THE SPARK GENERATOR 60
7.5. ACCESS TO THE WATER CIRCUIT 60
7.5.1. REMOVING THE D.H.W.
(SECONDARY) EXCHANGER 60
7.5.2. REMOVING THE SAFETY VALVE 61
7.5.3. REMOVING THE AUTOMATIC AIR VENT 61
7.5.4. REMOVING THE DIVERTER VALVE
ACTUATOR 62
7.5.5. REMOVING THE DHW FLOW SWITCH
(MFFI ONLY) 62
7.5.6. REMOVING THE PUMP 62
7.5.7. REMOVING THE PRESSURE GAUGE 63
7.5.8. REMOVING THE EXPANSION VESSEL 64
7.5.9. REMOVING THE D.H.W. TEMPERATURE
PROBE (N.T.C. - MFFI ONLY)64
7.5.10. REMOVING THE C.H. FLOW
TEMPERATURE PROBE (N.T.C.) 65
7.5.11. REMOVING THE C.H. RETURN
TEMPERATURE PROBE (N.T.C.) 65
7.6. ACCESS TO THE CONTROL SYSTEM 66
7.6.1. CHECKING THE FUSES 66
7.6.2. REMOVING THE PRINTED CIRCUIT
BOARDS 66
7.6.3. REMOVING THE TIME CLOCK 67
8. FAULT FINDING 68
8.1 FAULT FINDING GUIDE
(FLOW-CHARTS) 68
9. SHORT SPARES PARTS LIST 72
10. ANNUAL MAINTENANCE CHECKLIST 76
11. BENCHMARK COMMISSIONING
CHECKLIST 78
12. SERVICE INTERVAL RECORD 79
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Ariston ACO 32 RFFI SYSTEM Specifications

General

Brand	Ariston
Model	ACO 32 RFFI SYSTEM
Category	Boiler
Language	English