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CONTENTS Page
1 LIST OF COMPONENTS ......................................................................................................................................................................................... 2
2 CONTROL COMPONENTS .................................................................................................................................................................................... 3
3 INSTALLATION INSTRUCTIONS .......................................................................................................................................................................... 4
3.1 LOCATION ................................................................................................................................................................................................................................................ 4
3.2 HYDRAULIC INSTALLATION ..................................................................................................................................................................................................................... 4
3.3 ELECTRICAL CONNECTION ....................................................................................................................................................................................................................... 4
3.4 FUEL INSTALLATION ................................................................................................................................................................................................................................ 4
3.6 INSTALLING THE SRAM2/EV UNDERFLOOR HEATING KIT (OPTIONAL) ............................................................................................................................................... 5
3.7 INSTALLING HEATING CIRCUIT 2 (OPTIONAL) ......................................................................................................................................................................................... 5
4 COMBUSTION PRODUCTS EXHAUSTION ....................................................................................................................................................... 6
4.1 EXTERNAL POSITION OF THE GAS EVACUATION PIPES TERMINAL ............................................................................................................................................................ 6
4.2 PREPARATION OF THE BURNER AIR INTAKE FOR BALANCED FLUE OPERATION MODE ............................................................................................................................. 7
4.3 COMBUSTION PRODUCTS EXHAUSTION AND AIR INTAKE DUAL-DUCT DEVICE Ø80 (TYPR C
53
) ............................................................................................................. 8
4.4 DOUBLE CONDUIT TO COAXIAL EXHAUSTION TRANSFORMATION .......................................................................................................................................................... 9
4.5 COMBUSTION PRODUCTS EXHAUSTION AND AIR INTAKE HORIZONTALLY-ARRANGED COAXIAL DEVICE Ø80-125 (TYPE C
13
) ......................................................... 10
4.6 COMBUSTION PRODUCTS EXHAUSTION AND AIR INTAKE VERTICALLY-ARRANGED COAXIAL DEVICE Ø80-125 (TYPE C
33
) ............................................................... 11
5 FILLING THE INSTALLATION ............................................................................................................................................................................ 12
6 DRAINING THE BOILER ....................................................................................................................................................................................... 12
7 SHUTTING DOWN THE BOILER ........................................................................................................................................................................ 12
8 FIRST START-UP ................................................................................................................................................................................................... 12
9 INSTALLATION DELIVERY .................................................................................................................................................................................. 12
10 DIGITAL DISPLAY .............................................................................................................................................................................................. 13
11 TEMPERATURE SELECTION ............................................................................................................................................................................ 15
11.1 SELECTING THE BOILER SETPOINT TEMPERATURE ............................................................................................................................................................................... 15
11.2 SELECTING THE DHW SETPOINT TEMPERATURE ............................................................................................................................................................................... 15
11.3 SELECTING THE UNDERFLOOR HEATING FLOW SETPOINT TEMPERATURE (WITH SRAM2/EV KIT OPTION) .................................................................................... 16
12 OPERATION ......................................................................................................................................................................................................... 16
12.1 HEATING FUNCTION .......................................................................................................................................................................................................................... 16
12.2 DOMESTIC HOT WATER PRODUCTION FUNCTION ............................................................................................................................................................................. 17
12.3 FUNCTIONING WITH AN SRAM2/EV UNDERFLOOR HEATING KIT (OPTIONAL) ............................................................................................................................. 17
12.4 HEATING CIRCUIT 2 FUNCTIONING (OPTIONAL) ................................................................................................................................................................................ 18
13 ADDITIONAL FUNCTIONS .............................................................................................................................................................................. 18
13.1 PUMP ANTI-BLOCK FUNCTION ........................................................................................................................................................................................................... 18
13.2 ANTI-FROST FUNCTION ...................................................................................................................................................................................................................... 18
13.3 BOILER PRESSURE SENSOR FUNCTION ................................................................................................................................................................................................ 18
13.4 TELEPHONE RELAY CONNECTION ....................................................................................................................................................................................................... 18
13.5 ROOM THERMOSTAT CONNECTION .................................................................................................................................................................................................... 18
13.6 KEYPAD BLOCK FUNCTION ................................................................................................................................................................................................................. 19
14 SAFETY CUT-OUTS ............................................................................................................................................................................................ 20
14.1 TEMPERATURE SAFETY CUT-OUT........................................................................................................................................................................................................ 20
14.2 BURNER CUT-OUT .............................................................................................................................................................................................................................. 20
14.3 LOW PRESSURE CUT-OUT ................................................................................................................................................................................................................... 20
15 BOILER MAINTENANCE ................................................................................................................................................................................... 21
15.1 CLEANING THE BOILER ....................................................................................................................................................................................................................... 21
15.2 ANTI-FROST PROTECTION .................................................................................................................................................................................................................. 22
15.3 BOILER WATER CHARACTERISTICS ...................................................................................................................................................................................................... 22
16 CIRCULATING PUMP FLOW CURVES ........................................................................................................................................................... 23
16.1 CHARACTERISTIC CURVES OF THE PUMP ............................................................................................................................................................................................ 23
16.2 REGULATION OF THE CIRCULATION PUMP ......................................................................................................................................................................................... 23
16.3 PRESSURE DROP ................................................................................................................................................................................................................................. 23
17 DIAGRAMS AND MEASUREMENTS .............................................................................................................................................................. 24
18 TECHNICAL CHARACTERISTICS .................................................................................................................................................................... 25
19 ALARM CODES ................................................................................................................................................................................................... 26
20 CONNECTION DIAGRAM ................................................................................................................................................................................ 27
21 ELECTRICAL DIAGRAM .................................................................................................................................................................................... 28
22 BURNER ................................................................................................................................................................................................................ 29
22.1 ASSEMBLY .......................................................................................................................................................................................................................................... 29
22.2 BURNER START-UP ............................................................................................................................................................................................................................. 29
22.3 ADJUSTING THE COMBUSTION CONDITIONS ...................................................................................................................................................................................... 29
22.4 OIL PRESSURE ADJUSTMENT .............................................................................................................................................................................................................. 31
22.5 OIL SUPPLY PIPING DIAGRAMS ........................................................................................................................................................................................................... 31
22.6 TECHNICAL SPECIFICATIONS .............................................................................................................................................................................................................. 32
22.7 NOZZLES ............................................................................................................................................................................................................................................ 32
22.8 ELECTRICAL CONNECTION DIAGRAM ................................................................................................................................................................................................. 32
22.9 QUICK CONNECTOR ........................................................................................................................................................................................................................... 33
22.10 BURNER CONTROL OPERATING SEQUENCE ...................................................................................................................................................................................... 34
23 FAILURES ............................................................................................................................................................................................................. 35
24 SPARES LIST ........................................................................................................................................................................................................ 37
BOILER ......................................................................................................................................................................................................................................................... 37
BURNER ....................................................................................................................................................................................................................................................... 39
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