AIC Nesta N 120 FS Installation And Maintenance Manual Download Page 7

Fig. 1.  Boiler Packaged for Transport

N 120 FS

EN 15502-1/EN 15502-2-1

CE-1015CU0749

230V

/ 50Hz

11,2

10,2

12

115,5

112,8

124

178W

IPX4D

6 bar

90°C

6

B23, B23P, C43, C53, C83

Year built:

1015 19

2019

MASTER:

SLAVE:

Nominal Heat Input

Nominal Useful Output at [80°C/60°C]

Nominal Useful Output at [50°C/30°C]

Qn Min. [kW]:

Pn Min. [kW]:

P Min. [kW]:

QN Max. [kW]:

Pn Max. [kW]:

P Nom. [kW]:

Nesta

MODEL:

PIN:
Serial no. :

Standards:

Power Supply:
Power Consumption:
IP Class:

Max. Working Pressure [PMS]:
Max. Working Temperature:
Flue appliance type:

NOx Class:

Floor-Standing Condensing Boiler

kW

120

h e a t i n g s y s t e m s

AIC Europe B.V.

Graafschap Hornelaan 163A

NL-6001 AC Weert

The Netherlands

The boiler shall be installed by a qualified installer in accordance with

provided installation and maintenance technical manual, national and

local requirements, gas safety regulations and relevant standards.

Please read installation and

maintenance manual before

installing the boiler.

The boiler is pre-adjusted in

the factory to the gas pressure

of 20mbar for gas type G20.

Gas appliance

category

Gas type

Gas appliance

pressure

Country of destination

I2E(S)

G20

20 mbar

BE

I2H

G20

20 mbar

AT, CH, CZ, DK, EE, FI, ES, GB, GR, HR

IE, IT, LT, LV, PT, NO, RO, SE, SI, SK, TR

I2E

G20

20 mbar

DE, LU, PL, RO

I2L

G25

25 mbar

NL

I2ELL

G25

20 mbar

DE

I2HS

G20/G25.1

25 mbar

HU

I2N

G20/G25

20/25 mbar

BE, DE, ES, FR, GR, PT, SI

I2EK

G20/G25.3

25 mbar

NL

EXAMPLE

Fig. 2.  Data Plate - Typical

G-7

A-070336_EN • Rev. A

G

eneral

 I

nformatIon

 

Boiler Marking

The data plate is located at the back of the boiler.

Package Contents 

 

î

A Nesta boiler

 

î

An Installation and Maintenance manual

Refer to 

“Unpacking the Product” on 

page I-26

 for the complete unpacking 

and installation instructions.

i

Summary of Contents for Nesta N 120 FS

Page 1: ...EN installation and maintenance manual FOR THE INSTALLER AND THE USER 120 160 200 250 kW FLOOR STANDING CONDENSING BOILER A 070336 Rev A NESTA h e a t i n g s y s t e m s...

Page 2: ...boilers with External Domestic Hot Water Tank and Low Loss Header I 32 Safety Instructions for the Gas Connection I 33 Safety Instructions for the Chimney Connections I 34 Chimney Connection I 36 Acc...

Page 3: ...ilers with External Domestic Hot Water Tank and Low Loss Header I 32 Fig 13 Accessing the High Voltage Terminals I 38 Fig 14 Accessing the Low Voltage Terminals and Electronic Board I 39 Fig 15 Routin...

Page 4: ...ons provided herein The applicable regulations and standards The installer shall provide the end user with Any relevant explanation about the op eration of the appliance and the heat ing system as wel...

Page 5: ...ation that can cause serious damage to equip ment and or injuries or death Indicates an important instruction which if not followed could re sult in a hazardous situation that could cause damage to eq...

Page 6: ...shall not play with the appliance Any modi cation to the appliance and its components is strictly forbidden without the prior written consent of the manufacturer If components need to be replaced only...

Page 7: ...ntenance technical manual national and local requirements gas safety regulations and relevant standards Please read installation and maintenance manual before installing the boiler The boiler is pre a...

Page 8: ...pump and the burner are started as re quired when the return water temperature drops below 5 C as measured by the boiler internal sen sor installed on the return circuit The pump and or burner will t...

Page 9: ...ee Optional Modules on page I 53 15 Electronic junction box 16 Control panel with LCD display 17 Burner plate temperature limit switch 18 Air adapter 19 Gas valve 20 Ionization electrode 21 Manual air...

Page 10: ...e messages and INFO lines It also allows to access the various user lev els of the controller menus 5 Chimney sweep function button This button allows to perform a measurement of the flue gas contents...

Page 11: ...s mode is activated a black line is displayed under the symbol Reduced mode This mode operates the appliance up to the temperature setpoint defined for the reduced operation and main tains it continuo...

Page 12: ...FS A mm 671 671 671 671 B mm 787 787 859 859 C mm 528 528 534 534 D mm 471 479 479 485 E mm 164 164 164 164 F mm 1 320 1 320 1 320 1 320 G mm 1 306 1 319 1 308 1 312 H mm 1 098 1 098 1 098 1 098 I mm...

Page 13: ...1 gas connection M in 3 4 1 flue gas exhaust connection mm 130 180 combustion air inlet connection mm 125 125 condensate drain connection mm 25 25 min cross section area of air inlet mm2 12 000 12 000...

Page 14: ...S N 200 FS N 250 FS supply voltage frequency current V Hz A 230 50 3 protection class IP X4D boiler type and model N 120 FS N 160 FS N 200 FS N 250 FS condensing boiler Y N Y Y Y Y low temp boiler Y N...

Page 15: ...ss flow rate of flue gases g s 6 47 9 64 12 80 9 101 max condensate volume kg h 14 4 18 6 24 0 30 0 CO emissions mg kWh 64 5 64 5 64 5 64 5 CO2 contents Min output 8 2 Max output 9 2 NOx level mg kWh...

Page 16: ...0 FS N 250 FS water content l 51 47 66 62 hydraulic pressure drop at T 20k mbar 80 88 101 109 minimum operating pressure bar 0 8 maximum operating pressure bar 6 maximum boiler supply temperature C 90...

Page 17: ...appliance Do not modify or deactivate any compo nent nor any safety device in the system Do not operate the appliance when the casing is open IF YOU SMELL GAS DO NOT Use an open flame Smoke Use elect...

Page 18: ...nstaller Check regularly that there is no error code displayed on the control panel screen Call your installer as required When cleaning the appliance cabinet panels do not use sol vents or aggressive...

Page 19: ...The first start up of the boiler after its installation must be performed by a qualified professional according to the procedure in Start up and Combus tion Adjustments on page I 43 Conditions Procedu...

Page 20: ...ob 1 to scroll through the menu until Heating circuit 1 3 is highlighted 3 Press the OK button 2 to validate the selection 4 Rotate the knob 1 to select Room comfort setpoint 5 Press the OK button 2 t...

Page 21: ...ess the Heating Mode Selection button 4 to go back to the home screen Date and time 1 Press the OK button 2 to access the end user menu 2 Rotate the knob 1 to scroll through the menu until Time and Da...

Page 22: ...ect the required language DE EN FR IT NL ES DA SV FI PT 5 Press the OK button 2 to save the selection 6 Press the Heating Mode Selection button 4 to go back to the home screen Unit Selection 1 Repeat...

Page 23: ...ange selection 1st phase on 6 00 Adjust as required day or range selection 1st phase off 22 00 Adjust as required Identical menus for 2nd and 3rd phase adjustment Default values No Yes No Time Program...

Page 24: ...Diagnostic code Burn ctrl phase lockout pos Service special operation Chimney sweep function Off On Off Burner output Partial load Full load Max heating load Max heating load Manual control Off On Off...

Page 25: ...ppliance with any wet body parts when it is supplied with electrical power Before performing any operation on the electrical circuit isolate the electri cal supply of the appliance through the externa...

Page 26: ...pplicable local regulations 3 Remove bottom front panel Refer to Re moving and Installing the Access Panels on page I 27 4 Using an hex head size 5 wrench remove four screws See Fig 8 from the bottom...

Page 27: ...the studs from their receptacles Side Panels 1 Top remove four screws Retain hardware for reinstallation 2 Bottom remove six screws Retain hardware for reinstallation Installation procedure Bottom Fro...

Page 28: ...n vessel that is appropriate for the appliance power and the system size and the increase in temperature and pressure The use of antifreeze in the pri mary circuit will lead to a reduc tion in the hea...

Page 29: ...tem needs to be refilled frequently check for leaks in the primary circuit Inhibitors may be used according to stand ard EN 14868 An air separator on the appliance supply circuit combined with a dirt...

Page 30: ...n vessel Removable filling hose Circulating pump Drain Safety group automatic air relief valve manometer safety valve con nected to the drain Fig 10 Typical Heating System To make maintenance easier w...

Page 31: ...it pump DHW circuit pump Motorised 3 way valve when needed for low temp systems Heating circuit Plate heat exchanger Drain Safety group automatic air relief valve manome ter safety valve connected to...

Page 32: ...Low Loss Header Expansion vessel Heating circuit pump DHW circuit pump Heating circuit Low loss header Drain External DHW tank Safety group automatic air relief valve manome ter safety valve connecte...

Page 33: ...n countries or jurisdictions Please refer to applicable local regula tions The gas orifice installed on the appli ance must never be modified or re placed with a di erent size orifice When connecting...

Page 34: ...to the applicable local regulations and stand ards It must be cleaned and serviced regularly Make sure to secure the flue piping to a solid structure Exclusively use provided brackets to support the f...

Page 35: ...the pipe and the sleeve end stop The flue system should be fitted with an inspection opening Do not exceed the maximum length rec ommended for the product when con necting the flue pipes or the system...

Page 36: ...ucts connected to a terminal which at the same time admits fresh air to the burner and discharges the products of combustion to the outside through orifices that are either concentric or close enough...

Page 37: ...g the Chimney System Thefluesystemlengthmustbecal culated so as to ensure a safe per formance of the system Makesuretoinstalltheboilerwiththeshort est length of combustion air and flue ducts When seve...

Page 38: ...igh voltage terminal strip When the appliance is con nected to the electrical net work it must be earthed Make sure that a fuse or circuit breaker of the recommended rating is installed outside the ap...

Page 39: ...e opt Location for Web Server opt cable Hub used to connect additional modules Location for Cascading module opt Low Voltage Terminal Stickers proposed location for optional modules Grounding strip Ma...

Page 40: ...onal Main Power Boiler Pump X15 Boiler pump PWM H1 Enable Disable B9 Outside sensor B38 DHW Sensor BX1 System temp sensor Multifunctional BX2 Cascade return temp sensor Multifunctional UX2 Analog outp...

Page 41: ...Z4 3 S 4 GND Optional item Outside temperature sensor opt X5a H1 B9 11 S 12 GND Front panel 1 FP1 B9 H5 5 S 6 GND Optional item Enable Disable multifunc tional X6a L1 H1 1 S 2 GND Front panel 1 FP1 H1...

Page 42: ...sure in the water circuit check for leaks and repair as required Once the lling of the heating circuit is complete close the lling valve Check that all connections electrical ue pipe hydraulic gas hav...

Page 43: ...e the selection by pressing OK 3 Press the heating mode selection button 1 to exit and go back to the home screen 3 Activate the required heating mode by press ing the heating mode selection button 1...

Page 44: ...ppliance permanently Inspection and maintenance tasks must be carried out by a quali ed and certi ed professional at least once a year Water owing out of the drain valve can be extremely hot Use extre...

Page 45: ...tion of the burner flame through the sight glass and that the combustion parameters CO CO2 are according to requirements See Combustion and Gas Data on page G 15 X X Check the gas pressure and that th...

Page 46: ...the desired heating mode if required 3 Activate the DHW mode as required 4 Allow the appliance to operate for a few min utes then bleed the air from the system Follow on tasks 1 Check there is no lea...

Page 47: ...Release two screws 3 and open the con densate trap cover 4 Retain cover and hardware for reinstallation OFF 7 Remove the cover gasket 5 Discard 8 Wipe clean the condensate level switch 7 attached to...

Page 48: ...adapter assembly 1 and its hardware Retain for reinstallation OFF i i 10 Remove the fan gasket 6 Discard 11 Remove the electrodes as required refer to Removing and Installing the Ignition and Ionizati...

Page 49: ...X4 X4 X4 Nesta 120 Nesta 160 200 Nesta 250 9 8 4 2 7 1 5 3 6 6 4 2 7 1 5 3 4 2 7 1 5 3 6 I 49 A 070336_EN Rev A Maintenance...

Page 50: ...k remove insulation from the upper plate Re tain for reinstallation OFF i 3 Release two screws 1 from the electrode flange 4 Remove the electrode and screws from the burner plate 3 Discard as required...

Page 51: ...es and a face mask clean with compressed air to remove residues If it is in bad condition after cleaning replace it OFF 3 Clean the combustion chamber see Check ing and Cleaning the Combustion Cham be...

Page 52: ...ould be per formed through the burner open ing Do not remove the burner plate as it could damage the seals and insulation 1 Using a torch lamp visually check the condi tion of the combustion chamber I...

Page 53: ...extension supply needs to be provided with power supply and a bus connection Web Server Module Through the use of this module you can connect to an Ethernet and get remote access to the boiler and all...

Page 54: ...device address 1 assumes the role of the cascade master and the others are slaves The master boiler activates the required functions and shows the additional menus with the parame ters for use with t...

Page 55: ...e heat exchanger Low loss header 8 Air vent 9 DHW Pump 10 DHW Storage tank 11 DHW Storage tank temperature sensor 12 Check valve 13 Water pressure sensor 14 Room unit Room thermostat 15 Mixing valve 1...

Page 56: ...l come up It can be exited without adjustments by pressing the ESC 3 button If the parameters are not set and saved the screen will open automatically the next time the boiler is turned on until the p...

Page 57: ...tion 2nd phase off h min Eu 505 day or range selection 3rd phase on h min Eu 506 day or range selection 3rd phase off h min Eu 516 Default values No Yes No Time Pro gram 5 Eu 600 Select Mo Su Mo Su Mo...

Page 58: ...C E 744 Swi on ratio room stat C 746 Delay heat request 0 s E 750 Room influence 20 E 760 Room temp limitation 1 C E 770 Boost heating 3 C E 780 Quick setback Off To reduced setpoint To frost prot se...

Page 59: ...angeover None Protection Reduced Comfort Automatic Protection Boiler Eu 2214 Setpoint manual control 60 C Fault Eu 6705 SW Diagnostic code Eu 6706 Burn ctrl phase lockout pos Service spe cial opera ti...

Page 60: ...place as required 50 DHW temperature 1 sensor er ror Check connection and sen sor Replace as required 78 Water pressure sensor error Check connection and sen sor Replace as required 82 LPB address col...

Page 61: ...uired Check connection and chim ney 132 Gas pressure switch safety shut down Lack of gas Check gas supply and pres sure Check connection and com ponent 133 Safety time for establishment of flame excee...

Page 62: ...ating circuit configuration Reset to default parameters 217 Sensor error Check connection and sen sor Replace as required 218 Pressure supervision Check system pressure 243 Swimming pool sensor error...

Page 63: ...act AIC technical sup port 384 Extraneous light Shut off gas supply and con tact AIC technical support 385 Mains undervoltage Check electric supply in boil er terminals 386 Fan speed tolerance Check a...

Page 64: ...htness of connections and circuit 2 Check that pressure measuring points are closed Unburned gas smell Leak in flue gas circuit 1 Check tightness of connections 2 Check there are no obstructions in th...

Page 65: ...controller operation 3 Check position of temperature sensors Heat exchanger reaches temperature setpoint but radiators are cold Radiator valves closed Open radiator valves Air in the system Bleed the...

Page 66: ...ating Radiators Other Cascade Y N Number of boilers Water Water hardness at start up mol m or mg l System volume L Additive s Antifreeze Y N Type Quantity Gas Type Heating value kWh m Gas pressure reg...

Page 67: ...e Flue gas Open or closed system Dimensions of combustion air open ings if closed system cm2 Material of flue piping Diameter and length of piping sys tem mm m Chimney system engineered by Calculated...

Page 68: ...controller Other controller Y N Type Optional modules installed Y N Type Optional items installed Y N Outdoor sensor Y N Type Room unit s Y N Type Others Miscellaneous The end user has received all r...

Page 69: ...I 69 A 070336_EN Rev A Additional Information for the Installer CO2 Flue gas T Remarks Name Date Signature Combustion Parameters Log Sheet...

Page 70: ...I 70 A 070336_EN Rev A Additional Information for the Installer Water Filling Date Water Top up Date Water Quality Water Treatment Remarks Name signature Water Parameters Log Sheet...

Page 71: ...bility Directive 2014 30 EU RoHS Restriction of Hazardous Substances Directive 2011 65 EU Conformity assessment procedure Module B D Name address identification number of the notified body Module B SZ...

Page 72: ...AIC Europe B V Graafschap Hornelaan 163A NL 6001 AC Weert The Netherlands www myaic eu...

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