1
CONTENTS Page
1 LIST OF COMPONENTS.........................................................................................................................................................................................................................................2
2 CONTROL ELEMENTS............................................................................................................................................................................................................................................3
3 INSTALLATION INSTRUCTIONS.........................................................................................................................................................................................................................4
3.1 L
OCATION.................................................................................................................................................................................................................................................................4
3.2 H
YDRAULIC INSTALLATION.....................................................................................................................................................................................................................................4
3.3 E
LECTRICAL CONNECTION......................................................................................................................................................................................................................................4
3.4 O
IL INSTALLATION...................................................................................................................................................................................................................................................4
3.5 R
EMOVAL OF COMBUSTION PRODUCTS................................................................................................................................................................................................................4
3.6 I
NSTALLING A SANIT STORAGE HEATER (OPTIONAL)...........................................................................................................................................................................................6
3.7 A
NTI-LEGIONNAIRE’S DISEASE FUNCTION (WITH STORAGE HEATER ONLY).......................................................................................................................................................6
3.8 I
NSTALLING THE UNDERFLOOR HEATING KIT SRAC2/EV (OPTIONAL)............................................................................................................................................................6
4 REMOVAL OF COMBUSTION PRODUCTS......................................................................................................................................................................................................7
4.1
Ø80 COMBUSTION PRODUCT EXHAUSTION AND AIR INTAKE DUAL DUCT SYSTEM (TYPE C
53
).......................................................................................................................7
4.2 C
HANGING FROM DUAL DUCT FUME REMOVAL TO COAXIAL FUME REMOVAL.................................................................................................................................................8
4.3
Ø80-125 CONCENTRIC HORIZONTAL DUCT FOR REMOVAL OF COMBUSTION PRODUCTS AND AIR INTAKE (TYPE
C
13
)..............................................................................9
4.4
Ø80-125 CONCENTRIC VERTICAL DUCT FOR REMOVAL OF COMBUSTION PRODUCTS AND AIR INTAKE (TYPE
C
33
)..................................................................................10
5 FILLING THE INSTALLATION............................................................................................................................................................................................................................11
6 DIGITAL DISPLAY ................................................................................................................................................................................................................................................11
7 TEMPERATURE SELECTION..............................................................................................................................................................................................................................12
7.1 S
ELECTING THE BOILER SET POINT TEMPERATURE.............................................................................................................................................................................................12
7.2 S
ELECTING THE HOT WATER SET POINT TEMPERATURE (WITH STORAGE HEATER ONLY)..............................................................................................................................12
7.3 S
ELECTING THE UNDERFLOOR HEATING OUTLET SET POINT TEMPERATURE (WITH SRAC2/EV KIT OPTION).............................................................................................13
8 FUNCTIONING......................................................................................................................................................................................................................................................13
8.1 F
UNCTIONING IN “HEATING ONLY” MODE........................................................................................................................................................................................................13
8.2 F
UNCTIONING WITH SANIT STORAGE HEATER (OPTIONAL).............................................................................................................................................................................14
8.3 F
UNCTIONING WITH THE UNDERFLOOR HEATING KIT SRAC2/EV (OPTIONAL) ..........................................................................................................................................14
9 ADDITIONAL FUNCTIONS................................................................................................................................................................................................................................15
9.1 P
UMP ANTI-BLOCK FUNCTION.............................................................................................................................................................................................................................15
9.2 A
NTI-FROST FUNCTION........................................................................................................................................................................................................................................15
9.3 B
OILER PRESSURE SENSOR FUNCTION................................................................................................................................................................................................................15
9.4 T
ELEPHONE RELAY CONNECTION........................................................................................................................................................................................................................15
9.5 R
OOM THERMOSTAT CONNECTION ....................................................................................................................................................................................................................16
9.6 A
NTI-LEGIONNAIRE’S DISEASE FUNCTION (OPTIONAL) (WITH STORAGE HEATER ONLY)..............................................................................................................................16
10 E20 REMOTE CONTROL (OPTIONAL).........................................................................................................................................................................................................16
10.1 F
UNCTIONING WITHOUT AN EXTERNAL SENSOR.............................................................................................................................................................................................17
10.2 F
UNCTIONING WITH AN EXTERNAL SENSOR (OPTIONAL)..............................................................................................................................................................................17
10.3 F
UNCTIONING WITH A DOMESTIC HOT WATER STORAGE HEATER (OPTIONAL)...........................................................................................................................................18
10.4 T
ELEPHONE RELAY FUNCTION ..........................................................................................................................................................................................................................18
11 SAFETY CUT-OUT SYSTEMS..........................................................................................................................................................................................................................18
11.1 T
EMPERATURE SAFETY CUT-OUT......................................................................................................................................................................................................................18
11.2 B
URNER CUT-OUT ..............................................................................................................................................................................................................................................18
11.3 L
OW PRESSURE CUT-OUT..................................................................................................................................................................................................................................19
12 DRAINING THE BOILER ...................................................................................................................................................................................................................................19
13 SWITCHING OFF THE BOILER .......................................................................................................................................................................................................................19
14 INITIAL START-UP.............................................................................................................................................................................................................................................19
15 DELIVERY AND INSTALLATION....................................................................................................................................................................................................................19
16 BOILER MAINTENANCE...................................................................................................................................................................................................................................20
16.1 C
LEANING THE BOILER.......................................................................................................................................................................................................................................20
16.2 A
NTI-FROST PROTECTION..................................................................................................................................................................................................................................21
16.3 B
OILER WATER CHARACTERISTICS ....................................................................................................................................................................................................................21
17 TECHNICAL CHARACTERISTICS...................................................................................................................................................................................................................22
18 CIRCULATING PUMP FLOW CURVES.........................................................................................................................................................................................................23
19 DIAGRAMS AND MEASUREMENTS ............................................................................................................................................................................................................23
20 CONNECTION DIAGRAM................................................................................................................................................................................................................................24
21 ELECTRICAL DIAGRAM ...................................................................................................................................................................................................................................25
22 ALARM CODES...................................................................................................................................................................................................................................................26
23 BURNER................................................................................................................................................................................................................................................................27
23.1 A
SSEMBLY...........................................................................................................................................................................................................................................................27
23.2 B
URNER START-UP .............................................................................................................................................................................................................................................27
23.3 A
DJUSTING THE COMBUSTION CONDITIONS...................................................................................................................................................................................................27
23.4 P
RIMARY AIR ADJUSTMENT...............................................................................................................................................................................................................................28
23.5 C
OMBUSTION LINE ADJUSTMENT.....................................................................................................................................................................................................................28
23.6 C
ORRECT POSITION OF ELECTRODES................................................................................................................................................................................................................28
23.7 O
IL PRESSURE ADJUSTMENT.............................................................................................................................................................................................................................29
23.8 O
IL SUPPLY PIPING DIAGRAMS..........................................................................................................................................................................................................................29
WARNING: C
HECK PERIODICALLY THE FLEXIBLE PIPES CONDITIONS. USING KEROSENE, THEY HAVE TO BE REPLACED AT LEAST EVERY 2 YEARS.....................................29
23.9 T
ECHNICAL SPECIFICATIONS .............................................................................................................................................................................................................................30
23.10 O
PERATING CURVES ........................................................................................................................................................................................................................................30
23.11 O
IL FLOW VERSUS NOZZLE AND PUMP PRESSURE........................................................................................................................................................................................30
23.12 N
OZZLES...........................................................................................................................................................................................................................................................30
23.13 E
LECTRICAL CONNECTION DIAGRAM.............................................................................................................................................................................................................31
23.14 Q
UICK CONNECTOR.........................................................................................................................................................................................................................................31
24 FAILURES..............................................................................................................................................................................................................................................................32
25 SPARES LIST........................................................................................................................................................................................................................................................33
26 GUARANTEE CONDITIONS............................................................................................................................................................................................................................36
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