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8.3.1.  Example diagram for heating with combi buffer tank and solar panels 

 

Key: 
 
PI 

System pump 

S1 

Solar panel probe 

PR 

Recirculating pump 

S2 

Storage cylinder bottom probe 

PB 

DHW storage cylinder pump 

S3 

Storage cylinder top probe 

PS 

Solar panel pump 

S4 

Boiler outlet probe 

IR 

Central heating system 

S5 

Boiler return probe 

V 

Check valve 

 

 

 
8.3.2.  Example diagram for heating with closed vessel, plate heat exchanger, combi buffer tank and solar 

panels 

 

Key: 

 
PI 

System pump 

S1 

Solar panel probe 

PR 

Recirculating pump 

S2 

Storage cylinder bottom probe 

PB 

DHW storage cylinder pump 

S3 

Storage cylinder top probe 

PS 

Solar panel pump 

S4 

Boiler outlet probe 

IR 

Central heating system 

S5 

Boiler return probe 

V 

Check valve 

SP 

Plate heat exchanger 

 

Содержание GRA115RO

Страница 1: ...I In ns st ta al ll la at ti io on n U Us se e M Ma ai in nt te en na an nc ce e www arcacaldaie com G GR RA AN NO OL LA A A AU UT TO OM MA AT TI IC C ...

Страница 2: ......

Страница 3: ...s the right to make any changes to its products that it considers necessary or useful without these affecting the essential features of such products This documents is also available as a PDF file To request a copy contact the ARCA s r l technical department code MAN1037 pages 48 edition V EDITION revision June 2010 ...

Страница 4: ...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 CONFIGUR...

Страница 5: ...L PLATE HEAT EXCHANGER COMBI BUFFER TANK AND SOLAR PANELS 40 8 4 EXAMPLE DIAGRAMS FOR HEATING SYSTEM WITH DOMESTIC HOT WATER STORAGE CYLINDER AND BUFFER TANK 41 8 4 1 EXAMPLE DIAGRAM FOR WITH BUFFER TANK TWO COIL DHW STORAGE CYLINDER AND SOLAR PANELS 42 9 CENTRAL HEATING SYSTEM CONNECTION TO N ZONES 43 10 MAINTENANCE AND CLEANING 44 10 1 WEEKLY CLEANING 44 10 2 MONTHLY MAINTENANCE 44 12 3 ANNUAL M...

Страница 6: ...ronment or left within the reach of children Before performing any settings maintenance or cleaning operations disconnect the appliance from the mains power supply using the system switch and or the corresponding on off devices In the event of faults and or malfunctioning of the appliance it should be deactivated Do not attempt to repair the appliance Contact professionally qualified personnel onl...

Страница 7: ...w gear motor fuel supply Model Minimum heat output kcal h kW Maximum heat output kcal h kW Minimum heat input kcal h kW Maximum heat input kcal h kW Weight kg Fuel container capacity kg Boiler capacity litres Water side pressure drop mbar Flue gas side pressure drop mbar Operating pressure bar Max test pressure bar GRA14RO 5 040 6 12 068 14 6 020 7 13 330 15 5 200 110 47 10 0 03 3 4 5 GRA20RO 8 60...

Страница 8: ...be socket attachment S5 9 Fuel container screw gear motor fuel supply Model Minimum heat output kcal h kW Maximum heat output kcal h kW Minimum heat input kcal h kW Maximum heat input kcal h kW Weight kg Fuel container capacity kg Boiler capacity litres Water side pressure drop mbar Flue gas side pressure drop mbar Operating pressure bar Max test pressure bar GRA40RO 25800 30 34400 40 28380 33 378...

Страница 9: ...essure drop mbar Flue gas side pressure drop mbar Operating pressure bar Max test pressure bar GRA80RO 60200 70 68800 80 66220 77 75680 88 400 190 5 0 03 3 4 5 Model A mm B mm C mm D mm H mm F mm G mm E mm L mm A1 A2 ø A3 ø A4 ø A5 ø A6 ø A7 ø A8 ø A9 ø GRA80RO 768 1120 1129 190 1035 870 380 376 260 1 178 28 2 4 Technical specifications and dimensions of models GRA115RO and GRA150RO Key 1 Fuel inl...

Страница 10: ... 0 05 3 4 5 Model A mm B mm C mm D mm H mm F mm G mm E mm L mm A1 A2 ø A3 ø A4 ø A5 ø A6 ø A7 ø A8 ø A9 ø A10 ø GRA115RO 862 1130 1352 190 1253 1030 350 376 260 2 3 4 200 28 1 GRA150RO 862 1480 1352 190 1253 1030 350 376 260 2 3 4 200 28 1 3 MAIN PARTS OF THE BOILER 3 1 Fuel feed screw for models GRANOLA 14 20 30 40 50 Key 1 Screw gear motor 2 Pellet container 3 Fuel feed screw 4 Pellet burner The...

Страница 11: ... on request 1694 1920 1 2 2 3 3 Tank CODE CON0600 for models GRA80RO GRA115RO GRA150RO When starting the boiler for the first time the screw should be powered directly USER MENU LOAD so as to load the screw and ensure a regular flow of fuel thus optimising boiler operation Key 1 Screw gear motor 2 Fuel feed screw WARNING for correct screw operation this should be kept at the maximum possible incli...

Страница 12: ...late 8 Pellet inlet 3 5 Boiler heat exchanger and furnace Key 1 Screw 9 Ash dump 2 Fuel supply 10 Smokebox 3 Flame inspection opening 11 Fan 4 Secondary air 12 Furnace with dry heat exchanger 5 Ignition heater 13 Flue gas outlet 6 Electric heater housing 14 Dry heat exchanger 7 Primary air 15 Safety heat exchanger 8 Burner draught tube WARNING The cover on inspection opening 7 must be kept closed ...

Страница 13: ...tion the recirculating pump must be installed THE WARRANTY WILL BE VOID IF THE RECIRCULATING PUMP IS NOT INSTALLED 3 9 Supply water For correct operation and safety of the central heating system information must be available on the chemical physical characteristics of the system and top up water The main problem caused by using very hard water is fouling of the heat exchange surfaces It s well kno...

Страница 14: ...al loading must be installed in systems fitted with open expansion vessels For automatic loading systems with closed vessels are permitted 4 3 Chimney The chimney plays a fundamental role in ensuring good boiler operation the chimney must be impermeable and well insulated Old or new chimneys not built in compliance with the above specifications can be used however with special modifications A meta...

Страница 15: ...Y400 ELECTRONIC PANEL CODE PEL0100DUO Key 1 Main switch 2 Safety thermostat 3 Display keypad 5 1 Display The figure below shows the control unit operator panel with the key to the functions of each component ...

Страница 16: ...16 5 2 Electronic board inside the panel ...

Страница 17: ...48 page 15 the return probe S5 3 m of cable terminals 45 46 page 15 and the safety thermostat terminals 63 64 page15 These must be positioned as shown in the following figure 5 4 Flue gas probe connection The flue gas probe is already wired on the electronic board to terminals 31 32 as shown in the figure on page 15 This must be fitted at the rear of the boiler near the chimney attachment is a soc...

Страница 18: ...allow continuous operation of the system pump if the room thermostat is not connected WARNING If a room thermostat is connected remove the jumper and make sure the two connectors are attached to the device Failure of the system pump to operate may be due to incorrect wiring to the device or the device itself being faulty Make sure that the room thermostat connection has a voltage free contact The ...

Страница 19: ...ompletely filled with fuel 6 1 Boiler in standby When the boiler is at rest the fan is off and the top display shows the time The bottom right display always shows the outlet temperature 6 2 Boiler ignition Press button 7 for around 5 seconds to start the ignition cycle When the operating cycle starts the top display shows CHEC and the fan operates at maximum speed to vent the pellet burner draugh...

Страница 20: ...et temperature WARNING the operating temperature setting must be within a minimum and maximum value i e cannot be below 65 C nor exceed 80 C 6 6 Modulation On reaching the set temperature and more precisely 5 C below the operating temperature the top display will show the text MOD indicating modulating operation in this stage the fan operates at minimum speed This message may also be shown when th...

Страница 21: ...This can be accessed by pressing the MENU button 2 on the front panel Procedure for accessing the menu and the submenus Enter the user menu by pressing MENU 2 Once having entered the menu the 4 digit top display shows the names of the various submenus To scroll the submenus forwards and backwards press the menu up 3 or menu down 4 button To enter a submenu press MENU 2 To exit a submenu and return...

Страница 22: ...d for managing the pump electrical signals PROCEED AS FOLLOWS 1 Press MENU 2 The top display shows CONF 3 Press MENU 4 The bottom display shows the parameter being set while the top display shows its value which by default is always 0000 5 Press MENU 6 The value 0000 flashes use button 3 to set the value as shown in the table below 7 Once the value has been set press MENU to confirm the changes 8 ...

Страница 23: ...cylinder top probe S3 DHW cylinder bottom probe S2 Solar panel probe S1 System pump PI Anti condensation pump PR DHW cylinder pump PB Solar panel pump PS Heating Buffer tank Solar panels Boiler outlet probe S4 Boiler return probe S5 Buffer tank top probe S3 Buffer tank bottom probe S2 Solar panel probe S1 System pump PI Anti condensation pump PR Buffer tank pump PB Solar panel pump PS 7 2 Display ...

Страница 24: ...N 1 FLAME BRIGHTNESS always displayed 2 FLUE GAS TEMPERATURE IN C always displayed 3 OUTLET WATER TEMPERATURE IN C always displayed 4 RETURN WATER TEMPERATURE IN C always displayed 5 CYLINDER BUFFER TANK TOP TEMPERATURE IN C only displayed if enabled 6 CYLINDER BUFFER TANK BOTTOM TEMPERATURE IN C only displayed if enabled ...

Страница 25: ... displayed if enabled 10 BOARD PROGRAM VERSION always displayed 7 3 Clock menu The clock menu is used to set the current time and day of the week PROCEED AS FOLLOWS 1 Press MENU 2 Press button 3 repeatedly until the top display shows OROL 3 Press MENU 4 The bottom display shows the day of the week while the top display shows the hours and minutes 5 Press MENU the hours value starts flashing 6 Use ...

Страница 26: ...ed to set a time program for automatically starting and stopping the boiler The timer thermostat can be programmed in different ways according to the requirements of the user The following programs are available Manual start stop using button 7 Daily programming Weekly programming Weekend programming manual operation is set as default SELECTING THE TYPE OF PROGRAM 1 Press MENU 2 Press button 3 rep...

Страница 27: ...ndicates the OFF time 1 Press MENU 2 Press button 3 repeatedly until the top display shows CRON 3 Press MENU 4 The display shows PROG 5 Press button 3 repeatedly until the top display shows GIOR 6 Press MENU 7 The top display shows 4 dashes the bottom right display shows the program number from 1 to 3 the bottom right display shows the day in question from Monday to Sunday and the ON light comes o...

Страница 28: ... times if programming is enabled The ON light indicates the ON time while the OFF light indicates the OFF time 1 Press MENU 2 Press button 3 repeatedly until the top display shows CRON 3 Press MENU 4 The display shows PROG 5 Press button 3 repeatedly until the top display shows SETT 6 Press MENU 7 The top display shows 4 dashes the bottom right display shows the program number from 1 to 3 the bott...

Страница 29: ...ay and Sunday Three time bands are available each has an ON time and an OFF time The top display shows 4 dashes if programming is not enabled or displays the ON and OFF times if programming is enabled The ON light indicates the ON time while the OFF light indicates the OFF time 1 Press MENU 2 Press button 3 repeatedly until the top display shows CRON 3 Press MENU 4 The display shows PROG 5 Press b...

Страница 30: ...e second time band for Saturday and Sunday 16 The top display shows 4 dashes the bottom right display shows the program number from 1 to 3 the bottom right display shows SD indicating Saturday and Sunday The ON light comes on 17 Enable the time band and clear the dashes by holding button 7 for 5 seconds Set the ON time which will be the same for Saturday and Sunday 18 Press MENU 19 Set the hours u...

Страница 31: ...OFF after 40 seconds 7 6 Test menu This menu is used to test the individual outputs on the board and consequently the connected loads when the boiler is OFF PROCEED AS FOLLOWS 1 Make sure the boiler is OFF 2 Press MENU 3 Press button 3 repeatedly until the top display shows TEST 4 Press MENU 5 The top display shows the parameter being tested FUM1 FUM1 is the boiler flue gas fan 6 Press MENU the to...

Страница 32: ...nly be tested if its function is featured i e on DUO TECH or GRANOLA AUTOMATIC boilers 15 Press button 3 16 The top display shows the parameter being tested POMP POMP is the system pump PI 17 Press MENU the top display shows OFF flashing 18 Use buttons 3 and 4 to set the value to ON and check the system pump PI output at terminals 4 5 6 on the terminal block 19 Press ESC 20 Press button 3 21 The t...

Страница 33: ...ess button 3 36 The top display shows the parameter being tested VALV VALV is the selector valve VD 37 Press MENU the top display shows OFF flashing 38 Use buttons 3 and 4 to set the value to ON and check the selector valve VD output at terminals 23 24 25 on the terminal block Parameter VALV should only be tested if its function is featured i e on ASPIRO REGOVENT COMBI boilers 39 Press ESC 40 Pres...

Страница 34: ...eating only system with open vessel The heating only system consists of the following parts 1 Boiler outlet probe S4 this is located in the socket near the boiler outlet attachment A6 and its reading is used to change operating mode and enable operation of the pumps 2 Boiler return probe S5 this is located in the socket near the boiler return attachment A7 and is used for operation of the recircul...

Страница 35: ...culating pump S4 Boiler outlet probe IR Central heating system S5 Boiler return probe 8 1 2 Example diagram for heating only with open vessel with mixing valve Key PI System pump V Check valve PR Recirculating pump S4 Boiler outlet probe IR Central heating system S5 Boiler return probe VM Mixing valve ...

Страница 36: ...ove the value of TH SYSTEM PUMP A01 with the cylinder pump off however it s effectively activated based on the signal from the room thermostat This always operates i e ignores the room thermostat in the event of a frost alarm outlet water temperature less than the value of TH BOILER ICE A00 or anti inertia operation outlet water temperature greater than the value of TH BOILER SAFE A04 7 Recirculat...

Страница 37: ... stop for safety reasons In the event of a solar panel frost alarm panel water temperature less than the value of thermostat TH SOLAR ICE A48 the pump will be activated intermittently with off times equal to the value of parameter TIME SOLAR ICE OFF t37 and on times equal to TIME SOLAR ICE ON t36 8 2 1 Example diagram for heating with domestic hot water storage cylinder Key PI System pump V Check ...

Страница 38: ...let probe IR Central heating system S5 Boiler return probe V Check valve 8 2 3 Example diagram for heating with closed vessel plate heat exchanger two coil DHW storage cylinder and solar panels Key PI System pump S1 Solar panel probe PR Recirculating pump S2 Storage cylinder bottom probe PB DHW storage cylinder pump S3 Storage cylinder top probe PS Solar panel pump S4 Boiler outlet probe IR Centra...

Страница 39: ...r operation above the value of TH RECIRC PUMP A14 however it s only activated when the outlet water temperature exceeds the return temperature by a delta equal to the value of parameter RECIRCULATION DIFFERENTIAL d00 in the protected menu This always operates in the event of a frost alarm outlet water temperature less than the value of TH BOILER ICE A00 or anti inertia operation outlet water tempe...

Страница 40: ...let probe IR Central heating system S5 Boiler return probe V Check valve 8 3 2 Example diagram for heating with closed vessel plate heat exchanger combi buffer tank and solar panels Key PI System pump S1 Solar panel probe PR Recirculating pump S2 Storage cylinder bottom probe PB DHW storage cylinder pump S3 Storage cylinder top probe PS Solar panel pump S4 Boiler outlet probe IR Central heating sy...

Страница 41: ...or operation above the value of TH RECIRCPUMP A14 however it s only activated when the outlet water temperature exceeds the return temperature by a delta equal to the value of parameter RECIRCULATION DIFFERENTIAL d00 in the protected menu This always operates in the event of a frost alarm outlet water temperature less than the value of TH BOILER ICE A00 or anti inertia operation outlet water tempe...

Страница 42: ...ng system pump indicated on the diagram is the pump that fills the home s central heating system This pump must therefore be controlled from outside of the boiler panel and connected directly to the room thermostat The boiler panel electrical output at terminals 16 and 17 must be jumpered to enable operation of the buffer tank fill pump according to the boiler temperature parameters A minimum buff...

Страница 43: ...43 9 CENTRAL HEATING SYSTEM CONNECTIONS TO N ZONES Arca S r l supplies a control unit for managing 4 zones as an accessory code SCH0005C This is connected to the SY400 boiler panel ...

Страница 44: ...ombustion residues WARNING the presence of combustion residues on the grid plate 4 after 8 20 hours of operation indicates poor quality pellets have been used containing a large amount of soil or bark resins etc or other non combustible material These types of residue cause considerable ignition and combustion problems if not frequently removed from the grid plate 4 therefore it s strongly recomme...

Страница 45: ...he display The top display shows ALT alternating with the time and the error code The following codes may be shown Error ER01 Excess boiler temperature with activation of the safety thermostat To reset the error wait for the boiler temperature to fall below 90 press the safety thermostat button and hold button 7 for 5 seconds Error ER09 The backup battery on the main board is discharged To replace...

Страница 46: ...al or electrical reasons call a service centre b The electric heater doesn t heat up b Replace the electric heater The boiler won t start or tends to shut down c The burner grid plate is blocked by combustion residues c Open the top door on the boiler and inspect the inside of the draught tube If necessary clean the ignition air passage and the entire surface of the grid plate ...

Страница 47: ...VAT no IT 01588670206 Phone 0376 273511 Fax 0376 373386 E mail arca arcacaldaie com Tlx 301081 EXPMN I Sales Phone 0376 273511 Customer order management Phone 0376 273511 Technical department biomass boilers Phone 0376 371454 Produzione caldaie a gas Via Papa Giovanni XXIII 105 20070 San Rocco al Porto Lodi Phone 0377 569677 Fax 0377 569456 ...

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