ARCA GRANOLA AUTOMATIC Series - Default Chapter; Table of Contents

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1. GENERAL WARNINGS ..............................................................................................................................6
2. TECHNICAL SPECIFICATIONS AND DIMENSIONS .................................................................................7
2.1. TECHNICAL SPECIFICATIONS AND DIMENSIONS OF MODELS GRA14RO,GRA20RO, GRA30RO ................7
2.2. TECHNICAL SPECIFICATIONS AND DIMENSIONS OF MODELS GRA40RO, GRA50RO .................................. 8
2.3. TECHNICAL SPECIFICATIONS AND DIMENSIONS OF MODELS GRA80RO .....................................................9
2.4. TECHNICAL SPECIFICATIONS AND DIMENSIONS OF MODELS GRA115RO, GRA150RO ..............................9
3. MAIN PARTS OF THE BOILER ................................................................................................................10
3.1. FUEL FEED SCREW FOR MODELS GRANOLA 14, 20, 30, 40, 50.....................................................................10
3.2. SCREW (CODE COC0502) FOR MODELS GRA80RO, GRA115RO & GRA150RO............................................ 11
3.3. TANK (CODE CON0600) FOR MODELS GRA80RO, GRA115RO & GRA150RO ............................................... 11
3.4. PELLET BURNER.................................................................................................................................................12
3.5. BOILER HEAT EXCHANGER AND FURNACE ....................................................................................................12
3.6. SMOKEBOX AND FAN .........................................................................................................................................13
3.7. WATER TEMPERATURE PROBE SOCKETS......................................................................................................13
3.8. RECIRCULATING PUMP (ANTI-CONDENSATION) ............................................................................................13
3.9. SUPPLY WATER ..................................................................................................................................................13
3.10. INSULATION.........................................................................................................................................................13
4. INSTALLATION.........................................................................................................................................14
4.1. POSITIONING IN THE BOILER ROOM................................................................................................................14
4.2. EXPANSION VESSELS ........................................................................................................................................14
4.3. CHIMNEY..............................................................................................................................................................14
5. SY400 ELECTRONIC PANEL (CODE PEL0100DUO)..............................................................................15
5.1. DISPLAY ...............................................................................................................................................................15
5.2. ELECTRONIC BOARD .........................................................................................................................................16
5.3. PROBE CONNECTIONS ......................................................................................................................................17
5.4. FLUE GAS PROBE CONNECTION ......................................................................................................................17
5.5. TERMINAL BLOCK WIRING CONNECTIONS .....................................................................................................18
6. COMMISSIONING AND OPERATION......................................................................................................19
6.1. BOILER IN STANDBY...........................................................................................................................................19
6.2. BOILER IGNITION ................................................................................................................................................19
6.3. FLAME STABILISATION.......................................................................................................................................19
6.4. NORMAL OPERATION.........................................................................................................................................20
6.5. BOILER TEMPERATURE SETTING.....................................................................................................................20
6.6. MODULATION ......................................................................................................................................................20
6.7. MAINTENANCE ....................................................................................................................................................20
6.8. TOTAL SHUTDOWN.............................................................................................................................................21
7. USER MENU.............................................................................................................................................21
7.1. WATER CIRCUIT CONFIGURATION MENU (ENABLE PROBES .......................................................................22
7.2. DISPLAY MENU (DISPLAY PROBE READINGS) ................................................................................................23
7.3. CLOCK MENU ......................................................................................................................................................25
7.4. TIMER PROGRAMMING MENU...........................................................................................................................26
7.5. MANUAL SCREW LOADING MENU.....................................................................................................................31
7.6. TEST MENU..........................................................................................................................................................31
7.7. SUMMER / WINTER OPERATION .......................................................................................................................34
8. WATER CIRCUIT DIAGRAMS..................................................................................................................34
8.1. EXAMPLE DIAGRAMS FOR HEATING-ONLY SYSTEM WITH OPEN VESSEL .................................................34
8.1.1. EXAMPLE DIAGRAM FOR HEATING-ONLY WITH OPEN VESSEL .......................................................................................35
8.1.2. EXAMPLE DIAGRAM FOR HEATING-ONLY WITH OPEN VESSEL WITH MIXING VALVE ..................................................35
8.1.3. EXAMPLE DIAGRAM FOR HEATING-ONLY WITH PLATE HEAT EXCHANGER ..................................................................36
8.2. EXAMPLE DIAGRAMS FOR HEATING SYSTEM WITH DOMESTIC HOT WATER STORAGE CYLINDER.......36
8.2.1. EXAMPLE DIAGRAM FOR HEATING WITH DOMESTIC HOT WATER STORAGE CYLINDER ............................................37
8.2.2. EXAMPLE DIAGRAM FOR HEATING WITH TWO-COIL DHW STORAGE CYLINDER AND SOLAR PANELS .................... 38