2
1.1A
GAS APPLIANCES 3
1.2A ELECTRICAL SUPPLY 3
1.3A WARRANTY REGISTRATION 3
1.4A APPLIANCE COMMISSIONING CHECKLIST (UK ONLY) 3
1.5A HOW DOES IT WORK? 3
1.6A DIMENSION 3
1.7A CLEARANCES REQUIRED 3
1.8A FROST PROTECTION SYSTEM 3
1.9A CONTROL PANEL 4
2a GETTING STARTED 5
2.1A PARAMETERS ACCESS 5
2.2A PROGRAMMING THE BOILER 5
2.3A OPERATING MODE 6
2.4A BOILER FAULT CODES 8
2.5A INFO MENU 8
3a HOW TO... 9
3.1A HOW TO TOP-UP THE SYSTEM PRESSURE 9
3.2A HOW TO
RESET THE APPLIANCE 9
3.3A HOW TO SHUT DOWN THE SYSTEM FOR SHORT PERIODS 9
3.4A HOW TO SHUT DOWN THE SYSTEM FOR LONG PERIODS
9
3.5A HOW TO CARE FOR THE APPLIANCE 9
3.6A KEYBOARD LOCKOUT FUNCTION 9
3.7A INTERFACE STAND BY 9
4a WHAT IF... 10
4.1A WHAT IF I SUSPECT A GAS LEAK 10
4.2A WHAT IF I HAVE FREQUENTLY TO TOP-UP THE SYSTEM10
4.3A WHAT IF THE APPLIANCE IS DUE ITS ANNUAL SERVICE 10
4.4A WHAT IF I NEED TO CALL AN ENGINEER 10
1 INTRODUCTION 11
2 DESIGN PRINCIPLES AND OPERATING SEQUENCE 12
2.1 PRINCIPLE COMPONENTS 12
2.2 MODE OF OPERATION (AT REST) 12
2.3 MODE OF OPERATION (HEATING) 12
2.4 MODE OF OPERATION (HOT WATER) 12
2.5 SAFETY DEVICES 12
2.6 TECHNICAL DATA 13
2.7 PUMP DUTY 15
2.8 HOW TO FREE THE PUMP 15
3 GENERAL REQUIREMENTS (UK) 16
3.1 RELATED DOCUMENTS 16
3.2 LOCATION OF APPLIANCE 16
3.3 GAS SUPPLY 16
3.4 FLUE SYSTEM 16
3.5 AIR SUPPLY 16
3.6 WATER CIRCULATION 16
3.7 ELECTRICAL SUPPLY 17
3.8 MOUNTING ON A COMBUSTIBLE SURFA
CE 17
3.9 TIMBER FRAMED BUILDINGS 17
3.10 WATER TREATMENT 17
3.11 SHOWERS 17
3E GENERAL REQUIREMENTS (EIRE) 17
3.1E RELATED DOCUMENTS 17
3.2E LOCATION OF APPLIANCE 17
3.3E GAS SUPPLY 18
3.4E FLUE SYSTEM 18
3.5E AIR SUPPLY 18
3.6E WATER CIRCULATION 18
3.7E ELECTRICAL SUPPLY 18
3.8E MOUNTING ON A COMBUSTIBLE SURFACE 18
3.9E TIMBER FRAMED BUILDINGS 18
3.10E WATER TREATMENT 18
3.11E SHOWERS 18
3.12E DECLARATION OF CONFORMITY 18
4 INSTALLATION 19
4.1 PREPARATION FOR MOUNTING THE APPLIANCE 19
4.2 FITTING THE FLUE 19
4.3 CONNEC
TING THE GAS AND
WA
TER (“FIG. 17”) 21
4.4 INSTALLATION OF CONDENSATE DRAIN PIPE 21
4.5
INSTRUCTION FOR CONDENSATION EXHAUST CONNECTION
22
4.6 ELECTRICAL CONNECTIONS 22
4.7 CASING REMOVAL 22
4.8 CONNECTING THE MAINS (230V) INPUT 22
5 OPERATION 23
5.1 ACCESS TO THE PARAMETERS 23
5.2 CONTROL PANEL 23
5.3 SETTINGS MENU TREE STRUCTURE 24
5.4 STARTING THE BOILER 25
5.5 BOILER CONFIGURATION 26
5.6 FIRST COMMISSIONING 28
5.7 VENT CYCLE 28
5.8 OPERATING STATUS 28
6 COMMISSIONING 30
6.1 GAS SUPPLY INSTALLATION 30
6.2 THE HEATING SYSTEM 30
6.3 INITIAL FILLING OF THE SYSTEM 30
6.4 PRE-OPERATION CHECKS 30
6.5 INITIAL LIGHTING 30
6.6
CHECKING GAS PRESSURE AND COMBUSTION ANALYSIS
30
6.7 FINAL FLUSHING OF THE HEATING SYSTEM 30
6.8 SETTING THE FLOW OUTLET TEMPERATURE 30
6.9 SETTING THE SYSTEM DESIGN PRESSURE 30
6.10 REGULATING THE CENTRAL HEATING SYSTEM 31
6.11 FINAL CHECKS 31
6.12 INSTRUCTING THE USER 31
7 SERVICING INSTRUCTIONS 31
7.1 GENERAL 31
7.2 ROUTINE ANNUAL SERVICING 31
7.3 CLEANING THE PRIMARY HEAT EXCHANGER 32
7.4 CLEANING THE BURNER 32
7.5 CLEANING THE SIPHON 32
7.6 MAINTENANCE OF THE IONISATION ELECTRODE 32
7.7 CLAPET 32
7.8 REPLACEMENT OF COMPONENTS 33
7.9 COMPONENT REMOVAL PROCEDURE 33
7.10 CASING REMOVAL (“FIG. 25”) 33
7.11 PUMP ASSEMBLY (“FIG. 26”) 33
7.12 SAFETY VALVE (“FIG. 27”) 33
7.13 LOWER ATOMATIC AIR RELEASE VALVE (“FIG. 26”) 33
7.14 WATER PRESSURE TRANSDUCER
(FIG. 28) 33
7.15 FLOW THERMISTOR
(FIG. 3 - POS. 7) 33
7.16 RETURN THERMISTOR
(FIG. 3 - POS. 21) 33
7.17 PRINTED CIRCUIT BOARD
(FIG. 29) 33
7.18 GAS VALVE
(FIG. 30) 34
7.19 ELECTRODES
(FIG. 31) 34
7.20 EXPANSION VESSEL (FIG. 32) 34
7.21 HEAT EXCHANGER (FIG. 33) 34
7.22 COMBUSTION UNIT 35
7.23 FAN AND MIXER 35
7.24 REMOVING THE SIPHON FIG. 37) 35
7.25 REPLACING INTERFACE 35
7.26 REPLACING PCB OR INTERFACE 35
8 CHECKS, ADJUSTMENTS AND FAULT FINDING 36
8.1 CHECKING APPLIANCE OPERATION 36
8.2 APPLIANCE MODES OF OPERATION 36
8.3 HEATING MODE 36
8.4 CHECKING THE CO
2
AND ADJUSTING THE GAS VALVE 36
8.5 CHECKING THE EXPANSION VESSEL 37
8.6 EXTERNAL FAULTS 37
8.7 ELECTRICAL CHECKS 38
8.8 FAULT FINDING 38
8.9 COMPONENT VALUES & CHARACTERISTICS 38
8.10 ADJUSTMENTS 38
8.11 GAS VALVE CALIBRATION 39
8.12 RANGE RATED 39
8.13 SETTING THE THERMOREGULATION 39
8.14 LIGHTS AND FAULTS 40
8.15 BOILER FAULT CODES 42
8.16 INFO MENU 42
8.17 EMBEDDED CLOCK 43
8.18 CLOCK FUNCTIONALITY 43
8.19 PROGRAMMING THE EMBEDDED CLOCK 43
9 WIRING DIAGRAMS 44
9.1 EXTERNAL WIRING 44
9.2 OTHER DEVICES 44
9.3 OTBUS CONNECTION 44
9.4 RELATED DOCUMENTS 46
10 LPG INSTRUCTIONS 46
10.1 TECHNICAL DATA 46
10.2 GAS CONVERSION 46
10.3 COMPLETION 46
