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I-33

Z-038791_EN • Rev A

roduct

nstallatIon

Isolating valve

Filling valve

Draining valve

Check valve

Fig. 12. Cascaded Boilers, with External Domestic Hot Water Tank and Low Loss Header

Expansion vessel

Removable filling hose

Heating circuit pump

DHW circuit pump

Motorised 3-way valve

Heating circuit

Low loss header

Drain

External DHW tank

Safety group (automatic pressure relief valve, ma-

nometer, safety valve), connected to the drain.

Hydraulic Connections - Cascaded boilers, with External Domestic Hot Water Tank and

Low Loss Header

Содержание N 100 WH

Страница 1: ...h e a t i n g s y s t e m s EN installation and maintenance manual FOR THE INSTALLER AND THE USER 60 80 100 120 kW WALL HUNG CONDENSING BOILER Z 038791 Rev A NESTA CHROME ...

Страница 2: ...with External Domestic Hot Water Tank and Low Loss Header I 33 Safety Instructions for the Gas Connection I 34 Safety Instructions for the Chimney Connections I 35 General Instructions for the Installation of AIC approved Chimney Components I 36 Chimney Connection I 37 AIC Approved Chimney Components I 40 Engineering the Chimney System I 41 Accessories I 41 Calculation of the Chimney Length I 41 S...

Страница 3: ...ow Loss Header I 33 FIG 13 NESTA CHROME Gas Valve I 34 Fig 14 Routing the Electrical Cables I 43 Fig 15 Accessing the High and Low Voltage Terminal Strips and Electronic Board I 44 Fig 16 Filling the System Typical I 46 Fig 17 Combustion Adjustment on Gas Valve I 47 Fig 18 Draining the Boiler Typical I 50 Fig 19 Removing and Installing the Electrodes I 51 Fig 20 Removing and Installing the Fan and...

Страница 4: ... provided herein î The applicable regulations and standards The installer shall provide the end user with î Any relevant explanation about the op eration of the appliance and the heat ing system as well as the safety devices that are provided î Any instruction regarding periodic checks to be performed and possible anomaly to be reported î All the documentation delivered with the appliance and inst...

Страница 5: ...tuation 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 equip ment and or injuries Indicates an essential instruction in relation with the presence of electrical power and a danger of electrical shock The appliance must be started stopped using the ON OFF ...

Страница 6: ...ldren shall not play with the appliance î Any modiﬁcation to the appliance and its components is strictly forbidden without the prior written consent of the manufacturer î If components need to be replaced only genuine factory parts or compo nents approved by the manufacturer must be used î When working on the appli ance and the system make sure to use the appropriate tools to avoid damaging the p...

Страница 7: ...efore 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 I3P G31 37 mbar BE II2H3P G20 G31 20 37 50 mbar CH SK II2H3P G20 G31 20 37 mbar CZ ES GB GR HR IE IT LT PT SI II2H3P G20 G31 20 30 mbar RO FI II2E3P G20 G31 20 50 mbar DE II2E3P G20 G3...

Страница 8: ...stem possibilities Frost Protection The NESTA CHROME boilers have a built in an ti frost protection The pump and the burner are started as required when the return water temper ature drops below 5 C as measured by the boiler internal sensor installed on the return circuit Product Description The pump and or burner will turn off when the re turn temperature reaches the required setpoint The anti fr...

Страница 9: ...er pressure sensor 12 On Off switch 13 Control panel with LCD display 14 Electronic junction box with main board not shown 15 Optional electronic box for optional extension modules 16 Heating supply tube 17 Supply temperature sensor 18 Flame sight glass 19 Ignition electrode 20 Air vent 21 Ionisation electrode 22 Gas valve with throttle for combustion adjustment 23 Burner assembly with fan and air...

Страница 10: ...de 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 6 Manual operation mode button The operation de pends on the function defined for the relays Expert Lev el It can also be used to activate the bleeding function using an air purge installed at all h...

Страница 11: ...is 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 continuously no scheduler It also allows the anti frost and overheating protec tions to be active When the mode is activat ed a black line is displayed under the sym bol Protection mode In this mode the heat...

Страница 12: ...Technical Specifications Dimensions and Clearances Clearances Min Recommended top mm 400 1 000 bottom mm 400 700 front mm 700 1 000 sides mm 40 In a cascade configuration boilers can be installed side by side with a 40 mm clearance between them Wall bracket location 550 mm 136 mm 115 mm 511 mm N 60 80 WH 645 mm 1 065 mm 980 mm 562 mm N 100 120 WH ...

Страница 13: ...ons N 60 WH N 80 WH N 100 WH N 120 WH dry weight kg 83 87 104 107 connections Ø supply return M in 11 4 gas M in 3 4 chimney mm 100 150 224 mm 242 mm 447 mm 501 mm 496 mm 420 mm 447 mm 208 mm 310 mm 344 mm 297mm 103 mm Dimensions for N 100 120 WH ...

Страница 14: ...93 0 93 0 93 0 boiler type and model N 60 WH N 80 WH N 100 WH N 120 WH condensing boiler Y N Y Y Y Y low temp boiler Y N Y Y Y Y combination heater Y N N N N N useful heat output at 30 of rated heat output P1 kW 19 5 26 0 32 6 39 1 at rated output and high temp regime P4 kW 58 3 77 8 97 5 117 1 useful efficiency at 30 of rated heat output η1 97 6 97 6 97 4 97 5 at rated output and high temp regime...

Страница 15: ...ength 100 150 m 25 mass flow rate of flue gases g s 3 5 26 0 3 5 35 3 5 1 43 5 5 3 51 8 max condensate volume kg h 7 6 10 2 12 7 15 3 CO emissions mg kWh 64 8 32 0 80 2 69 7 CO2 contents G20 0 1 8 3 8 6 8 3 8 6 8 3 8 7 8 3 8 7 CO2 contents G25 0 2 8 5 9 0 CO2 contents G31 0 2 10 0 10 5 NOx level weighted mg kWh 32 6 32 1 39 8 37 0 NOx class 6 gas type s G20 G25 G25 3 G31 gas categories I2E S II2E3...

Страница 16: ... 2 87 4 minimum operating pressure bar 0 6 maximum operating pressure bar 6 maximum boiler temperature C 85 Pressure Drop Curve Flow Rate N 60 WH N 80 WH N 100 WH N 120 WH minimum water flow rate at T 20k l min 42 57 70 83 00 20 40 60 80 100 120 140 0 10 20 30 40 50 60 70 80 90 100 110 120 Pressure mbar water flow l min hydraulic pressure drop N60 WH N80 WH N100 WH N120 WH ...

Страница 17: ... Do not modify or deactivate any compo nent nor any safety device in the system î Do not operate the appliance when the casing is open IF YOU SMELL GAS DO NOT î Use an open flame î Smoke î Use electrical devices phones doorbells etc or switches DO î Close the gas supply î Open all doors and windows to ven tilate the room î Inform your neighbours of the dan ger by knocking at the doors î Get out of...

Страница 18: ...nstaller î 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 abrasive cleaning agents Wipe the sur faces using a soft clean cloth water and soap i î If works need to be per formed close to the appli ance e g in the boiler room or close to the air inlets make...

Страница 19: ... Low water pressure Refill the heating system Starting the Appliance 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 47 Conditions Procedure 1 Make sure that the power supply cable is connected to the boiler 2 Press the On Off switch located on the right side of the co...

Страница 20: ...o 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 to validate the selection 6 Rotate the knob to increase decrease the temperature to the desired value 7 Press the OK button 2 to save the setting 8 Rotate the knob 1 to select Room reduced setpoint 9 Press t...

Страница 21: ...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 Date 6 is highlighted 3 Press the OK button 2 to validate the selection 4 Rotate the knob 1 to select Hours minutes 7 5 Press on the OK button 2 to validate the selection 6 Rotate the knob 1 to set the hour...

Страница 22: ... 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 on the Heating Mode Selection button 4 to go back to the home screen Unit Selection 1 Repeat steps 1 to 3 of above procedure 2 Rotate the knob 1 to select the required unit C bar or F PSI 3 Press the OK button 2 to validate the selection 4 Press on the Heating Mode Selection button 4 to go ba...

Страница 23: ...ar Time Program heating circuit 1 Ҙ Ҙ Preselection Mo Su Mo Su Mo Fr Sa Su Mo Tu We Th Fr Sa Su Mo Su Ҙ Ҙ day or range selection 1st phase on 6 00 Adjust as required Ҙ Ҙ day or range selection 1st phase off 22 00 Adjust as required Identical menus for 2nd and 3rd phase adjustment Ҙ Ҙ Default values No Yes No Time Program 5 Ҙ Ҙ Preselection Mo Su Mo Su Mo Fr Sa Su Mo Tu We Th Fr Sa Su Mo Su Ҙ Ҙ day...

Страница 24: ... Burn ctrl phase lockout pos Service special operation Ҙ Ҙ Chimney sweep function Off On Off Ҙ Ҙ Burner output Partial load Full load Max heating load Max heating load Ҙ Ҙ Manual control Off On Off Diagnostics heat genera tion Ҙ Ҙ Hours run heating mode Ҙ Ҙ Hours run DHW Ҙ Ҙ Total gas energy heating Ҙ Ҙ Total gas energy DHW Ҙ Ҙ Total gas energy Ҙ Ҙ Gas energy heating Reset Yes No Ҙ Ҙ Gas energy DH...

Страница 25: ...appliance with any wet body parts when it is supplied with electrical power î Before performing any operation on the electrical circuit isolate the electri cal supply of the appliance through the external power cutting device fuse circuit breaker etc î All connections electrical flue pipe hydraulic gas must be carried out in accordance with current standards and regulations in force î If the appli...

Страница 26: ...installation refer to Dimensions and Clearances on page G 12 2 With the help of a second person install the boiler on the wall bracket and make sure it is secured Follow on task s 1 Install the condensate trap see Installing and Removing the Condensate Trap on page I 27 2 Perform gas conversion using the option al kit as required Please contact your AIC representative Fig 7 Wall bracket Installati...

Страница 27: ...ate trap connection 4 OFF When installing the hose make sure that it goes down wards to prevent conden sates from being stuck in the hose i 1 6 2 8 7 4 5 2 Holding the condensate trap body 6 with one hand rotate the locking ring 7 coun terclockwise to unlock Retain ring for rein stallation 3 Pull the condensate trap body 6 away from the fitting 8 At removal make sure not to lose the condensate tra...

Страница 28: ...de panels outwards to prevent the panels from warp ing Failure to comply can damage the boiler casing permanently 4 Lift the top panel from the front section and slide it out from under the rear top panel Installation procedure The top panel must be installed be fore installing the front panel Top panel 1 Locate top panel into position by pulling slightly outwards the side panels Do not use too mu...

Страница 29: ...ion vessel that is appropriate for the appliance power and the system size and the increase in temperature and pressure î The use of antifreeze in the pri mary circuit will lead to a reduc tion in the heating performance The higher the concentration of antifreeze in the circuit the lower the performance Maxi mum output must be adjusted accordingly î The circuit diagrams are theoretical representat...

Страница 30: ...m needs to be refilled frequently check for leaks in the primary circuit î Inhibitors may be used according to stand ard EN 14868 î An air separator on the appliance supply circuit combined with a dirt separator up stream of the appliance must be installed according to the manufacturer s instructions î Additives can be used to keep the oxygen in solution in the water î Use the additives in accorda...

Страница 31: ...Connections Heating Circuit Fig 10 Typical Heating System Isolating valve Filling valve Draining valve Check valve Expansion vessel Removable filling hose Circulating pump Drain Safety group automatic air relief valve manometer safety valve con nected to the drain ...

Страница 32: ... filling hose Heating circuit pump DHW circuit pump Motorised 3 way valve Heating circuit Plate heat exchanger Drain Safety group automatic pressure relief valve ma nometer safety valve connected to the drain External DHW tank I 32 Z 038791_EN Rev A Product Installation Hydraulic Connections Cascaded boilers with External Domestic Hot Water Tank and Plate Heat Exchanger ...

Страница 33: ...and Low Loss Header Expansion vessel Removable filling hose Heating circuit pump DHW circuit pump Motorised 3 way valve Heating circuit Low loss header Drain External DHW tank Safety group automatic pressure relief valve ma nometer safety valve connected to the drain Hydraulic Connections Cascaded boilers with External Domestic Hot Water Tank and Low Loss Header ...

Страница 34: ...nnecting the gas circuit make sure to comply with all applica ble local regulations and standards The circuit will be equipped with a meter and a gas pressure regulator if required î The conversion of the appliance from natural gas to liquid gas or the reverse can only be performed by a qualified professional î Gas conversion shall be performed according to applicable local regula tions It is proh...

Страница 35: ...gulations and stand ards It must be cleaned and serviced regularly î Make sure to secure the flue piping to a solid structure î Exclusively use the provid ed brackets to support the flue system î When assembling the pipes make sure not to put any stress on the com ponents î Install the horizontal flue pipes with a slight slope of 5 cm per meter 3 back towards the appliance so that the acid condens...

Страница 36: ...ed with an inspection opening î Do not exceed the maximum length rec ommended for the product when con necting the flue pipes or the system pow er might decrease î For C type appliances the flue gas exhaust pipes must at least comply with the cate gory T120 H1 W1 2 O30 LI E U when using parallel piping and T120 H1 W1 2 O00 LI LE E U0 when using concentric piping EN 14471 Metallic piping must compl...

Страница 37: ...ng B23 B23 Make sure that the ventilation openings remain unobstructed at all times Make sure that the ventilation openings remain unobstructed at all times Combustion circuit Open Flue Discharged to the outside through posi tive pressure Combustion air Drawn from the boiler room Remark Can be used for cascading B23p Make sure that the ventilation openings remain unobstructed at all times Make sur...

Страница 38: ...ric to a terminal for admission of combustion air from the outside AND flue discharge to the outside OR Close enough to come under similar wind conditions fitting in î a square of 50 cm if appliance 70 kW with distance between planes of orifices 50 cm î a square of 100 cm if appliance is between 70 kW and 1000 kW with distance between planes of orifices 100 cm Combustion circuit Sealed Connection ...

Страница 39: ...tion circuit Sealed Connection To a system that is approved and sold separately external supplier Air inlet flue outlet orifices May terminate in zones of different pressure Additional requirement î Maximum allowable draught is 200 Pa î Maximum allowable pressure difference between combustion air inlet and flue gas outlet including wind pressures is indicated in the technical spec ifications î Con...

Страница 40: ...7 Support strip TBD 41 008 74 37 Chimney shaft cover 100 TBD 41 008 74 13 Shaft distance holder PP 100 2 pcs TBD 41 008 75 04 Wall bracket 100 PP TBD 41 007 19 02 M G Concentric System 100 150 mm Roof terminal skyline std pp 100 150 TBD 41 008 48 62 Weather slate steep lead 100 150 25 45 TBD 41 008 79 13 Weather slate flat al 100 150 0 TBD 41 008 73 79 Wall terminal mugro std 100 150 incl Wall pla...

Страница 41: ...ocal standards and regulations The overall installation resistance of each boiler should not exceed the value indicated in the combustion table including maxi mum wind condition measured at the outlet of each boiler at maximum output Refer to Combustion and Gas Data on page G 15 Please contact your AIC representa tive for more information Engineering the Chimney System î î The flue system length m...

Страница 42: ...al draught only î Condensate flow is not allowed into the appliance C43 x C43 Combustion circuit Sealed Connection Through î a single duct system OR î a common duct system part of the building designed for more than one appliance Air inlet flue outlet orifices î Flue is discharged to the roof î Combustion air is taken from the outside Additional requirement î Condensate flow is not allowed into th...

Страница 43: ...outside the appliance to allow electri cal isolation î Do not touch the appliance with any wet body parts when it is supplied with electrical power î Before performing any operation on the electrical circuit isolate the electri cal supply of the appliance through the external power cutting device fuse circuit breaker etc î When routing the cables through sharp edged holes in the panels make sure t...

Страница 44: ...ctronic Board Make sure that the power sup ply to the appliance is deactivat ed power supply cable discon nected from the boiler before accessing the high voltage ter minal strip Also see Optional Modules on page I 57 for more infor mation on available optional electronic components i 3 Lower the main electronic casing along with optional extension module casing if it is in stalled 4 Release four ...

Страница 45: ... Signal GND H1 H4 H5 X6a X10a 1 2 Signal GND Signal GND Signal GND Signal GND Signal GND Signal GND H6 BX1 BX2 BX3 B38 B9 X5a X17 X3 2 3 5 4 1 Ionization Ignition module Gas valve X2 N L N L 2 1 STB 230V 1 2 3 4 6 7 N AC Fan N L L N L 5 X1f AUX2 QX1 1 5 QX2 QX3 X1b 2 3 L N 1 PE Mains Voltage X1a Inlet Temperature Sensor High Voltage Cable Flue Gas Temperature Sensor Ionization Electrode L N Displa...

Страница 46: ...se of repeated indication of low pressure in the water circuit check for leaks and repair as required î Once the ﬁlling of the heating circuit is complete close the ﬁlling valve î Check that all connections electrical ﬂue pipe hydraulic gas have been carried out and that they are tight and secure î Ensure that the condensate trap is full of water before starting up the appli ance Conditions Proced...

Страница 47: ...and go back to the home screen 3 Activate the required heating mode by press ing on the heating mode selection button 1 4 Allow the boiler to operate for a few minutes 5 Connect the flue gas analyser probe to the measuring port of the flue gas pipe 6 Press the heating mode selection button 1 for more than 3 seconds 7 Check CO2 contents in the flue gas at max output as follows î î Press the Informa...

Страница 48: ...pliance permanently î Inspection and maintenance tasks must be carried out by a qualiﬁed and certiﬁed professional at least once a year î Water ﬂowing out of the drain valve can be extremely hot Use extreme caution when draining a hot appliance î Once the inspection and maintenance tasks are complete ensure that all re moved components are reinstalled and all connections are tight and se cured î B...

Страница 49: ...least 1 2 bar when cold Top up the system with water if required X X Check the operation 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 the gas supply shut off devices are operating properly X Check that the pump s is are operating properly X Check that ...

Страница 50: ...elect the required heating mode as re quired 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 leak in the water and gas circuits 2 Check the combustion values according to Combustion and Gas Data on page 23 3 Record values in Combustion Parameters Log Sheet on page 75 4 Check the heating c...

Страница 51: ...ket must be discarded and replaced by new ones 2 Release two screws 1 from the electrode flange 3 Remove the electrode and screws from the burner plate 3 Discard as required 4 Remove electrode gasket 2 and discard as required OFF i Installation procedure 1 Install new gasket 2 on the burner plate 3 2 Insert the electrode and fasten with 2 screws 1 3 Torque screws at 2 7 Nm 4 Reconnect all connecto...

Страница 52: ...ndition Discard and re place the gasket if it is cracked or torn 7 Remove the electrodes as required refer to Removing and Installing the Ignition and Ionisation Electrodes on page I 51 8 Remove the burner as required refer to Removing and Installing the Burner on page I 54 9 Clean the combustion chamber as required refer to Checking and Cleaning the Com bustion Chamber on page I 56 OFF i Installa...

Страница 53: ...X3 3 4 5 6 2 1 Fig 20 Removing and Installing the Fan and Air Gas Mixer Assembly I 53 Z 038791_EN Rev A Maintenance ...

Страница 54: ...lly check the condition of the burner tube 3 2 Clean with compressed air to remove residues If it is in bad condition after cleaning replace it 3 Visually check the condition of the burner door insulation plate 4 If the fabric cover is damaged replace the insulation plate 4 Clean the combustion chamber see Check ing and Cleaning the Combustion Cham ber on page I 56 OFF Installation procedure 1 Ins...

Страница 55: ...X6 X6 3 4 5 6 2 1 Fig 21 Removing and Installing the Burner I 55 Z 038791_EN Rev A Maintenance ...

Страница 56: ...sure meter to one of the T piece connections 4 Blow air in the hose while it is connected to sensor and to the measuring device 5 Verify that sensor switches at the set pres sure 500 Pa and that the controller displays error 193 6 In case of malfunction replace the sensor Follow on tasks 1 Reconnect hose to condens dish 2 Check that the connection is not leaking ON Checking and Cleaning the Combus...

Страница 57: ...rough the use of this module you can connect to an Ethernet and get remote access to the boiler and all the heating system via the Internet Using a computer or mobile devices you can monitor and control the installation remotely Management takes place via a web browser Cascading module standard from NESTA CHROME 100 This module allows the installation of several boil ers in a cascade to increase t...

Страница 58: ...h 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 the cascaded system This boiler has all the logic control of the cascaded system and also regulates the stop start sequence of each boiler according to the demand of the in stallation The boilers are ...

Страница 59: ...sure sensor 14 Room unit Room thermostat 15 Mixing valve 16 Consumers 17 Cascade return sensor 18 DHW Circulation pump with timer 19 HC Pump 20 System supply sensor 21 HC1 HC2 HC3 temperature sensor Fig 28 Cascade System with Plate Heat Exchanger Low Loss Header 1 1 B 12 18 10 11 12 16 19 12 16 19 12 16 19 3 12 9 21 21 21 15 15 15 4 4 HC1 HC2 HC3 17 A A 5 A A 1 2 2 1 13 13 12 14 14 14 20 7 6 6 P P...

Страница 60: ... com missioning screen will 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 parameters are set and saved Menus and Settings The following table contains the menus and sub menus for the installer End user Commissioning and Engineer levels The last colu...

Страница 61: ...election 2nd phase off h min Eu 505 Ҙ Ҙ day or range selection 3rd phase on h min Eu 506 Ҙ Ҙ day or range selection 3rd phase off h min Eu 516 Ҙ Ҙ Default values No Yes No Time Pro gram 5 Eu 600 Ҙ Ҙ Select Mo Su Mo Su Mo Fr Sa Su Mo Tu We Th Fr Sa Su Mo Su Eu 601 Ҙ Ҙ day or range selection 1st phase on 6 00 h min Eu 602 Ҙ Ҙ day or range selection 1st phase off 22 00 h min Eu 603 Ҙ Ҙ day or range s...

Страница 62: ...Ҙ Swi on ratio room stat C 746 Ҙ Ҙ Delay heat request 0 s E 750 Ҙ Ҙ Room influence 20 E 760 Ҙ Ҙ Room temp limitation 1 C E 770 Ҙ Ҙ Boost heating 3 C E 780 Ҙ Ҙ Quick setback Off To reduced setpoint To frost prot setpoint Off E 790 Ҙ Ҙ Optimum start control max 0 min E 791 Ҙ Ҙ Optimum stop control max 0 min E 800 Ҙ Ҙ Reduced setp increase start 5 C E 801 Ҙ Ҙ Reduced setp increase end 15 C E 809 Ҙ Ҙ ...

Страница 63: ...tection Reduced Comfort Automatic Protection Boiler Eu 2214 Ҙ Ҙ Setpoint manual control 60 C Fault Eu 6705 Ҙ Ҙ SW Diagnostic code Eu 6706 Ҙ Ҙ Burn ctrl phase lockout pos Service spe cial opera tion Eu 7130 Ҙ Ҙ Chimney sweep function Off On Off Eu 7131 Ҙ Ҙ Burner output Partial load Full load Max heating load Max heat ing load Eu 7140 Ҙ Ҙ Manual control Off On Off Diagnostics heat gener ation Eu 83...

Страница 64: ...error Short circuit or Open circuit boil er return sensor Check connection and sensor Replace as required 46 Cascade return tempera ture sensor error Check connection and sensor Replace as required 47 Common return tempera ture sensor error Check connection and sensor Replace as required 50 DHW temperature 1 sensor error Check connection and sensor Replace as required 52 DHW temperature 2 sen sor ...

Страница 65: ...formation 109 Supervision boiler temper ature Contact AIC technical support 110 STB SLT lockout No heat removal STB interrup tion possible short circuit in the gas valve internal fuse faulty Allow device to cool down and carry out reset if the fault occurs several times in form AIC technical support 111 Temperature limiter safety shutdown Contact AIC technical support 117 Water pressure too high R...

Страница 66: ...eed threshold not reached Fan possibly defective speed threshold set wrongly Check parameters connections and component Replace as required 162 Air pressure switch error Air pressure switch does not close Check connection and adjustments on air pressure switch Replace as required 164 Flow pressure switch heat ing circuit error Check connection and switches in HC Replase as required 166 Air pressur...

Страница 67: ...e difference heat exchanger too large Check the heating system external hy draulic components 317 Mains frequency outside permissible range Check correct electric supply in boiler terminals 320 DHW charging tempera ture sensor error Check connection and sensor Replace as required 321 DHW outlet temperature sensor error Check connection and sensor Replace as required 322 Water pressure 3 too high R...

Страница 68: ...ommon flow sensor missing Check parameters connection and com ponent 371 Flow temperature heating circuit 3 Check the circuit for fault insulation and heat losses 372 Temperature limiter heating circuit 3 Allow the circuit to cool down and carry out reset if the fault occurs several times inform AIC technical suport 378 Internal repetition Contact AIC technical support 382 Repetition speed Contact...

Страница 69: ...heat exchanger too high Check the heating system external hy draulic components Maintenance Messages Code Meaning Action 1 Number of burner hours run exceeded Contact Maintenance service 2 Number of burner starts exceeded 3 Maintenance interval exceeded 5 Water pressure 1 heating circuit too low Fill the circuit to reach acceptable pressure 18 Water pressure 2 heating circuit too low dropped below...

Страница 70: ...ghtness 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 the flue system 3 Check the quality of combustion Irregular combustion Wrong combustion settings Check the values with a gas analyser and readjust as required Combustion air circulation Check that the ...

Страница 71: ... burner Wrong chimney pressure drop Check chimney pressure drop Temperature too high compared to setpoint Boiler controller malfunction 1 Check temperature setpoint 2 Check 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 air present in the heating ...

Страница 72: ...heating 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 regulator installed Y N Type Hydraulics Heating circuit normal pressure bar Air purged from the system Y N Safety valve installed Y N rating bar or kW Expansion tank s installed Y N Type s Size L Prech...

Страница 73: ...terial of flue piping Diameter and length of piping sys tem mm m Chimney system engineered by Calculated pressure drop in cluding maximum wind condition 200 Pa Pa Cascade Y N Flue damper or non return valve installed Y N Type Condensates Condensate discharge slope or cm m Condensate trap filled Y N Neutralisation system installed Y N Type Condensate pump installed Y N Condensate pump control line ...

Страница 74: ...nal Information for the Installer Unit Values Comments Room unit s Y N Type Others Miscellaneous The end user has received all rele vant information Y N The end user has received all rele vant documents Y N Name Date Signature NOTES ...

Страница 75: ...I 75 Z 038791_EN Rev A Additional Information for the Installer CO2 Flue gas T Remarks Name Date Signature Combustion Parameters Log Sheet ...

Страница 76: ...I 76 Z 038791_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 ...

Страница 77: ...tage Directive 2014 35 EU EMC Electromagnetic Compatibility 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 Kiwa Nederland B V Wilmersdorf 50 7323 AC APELDOORN Netherlands ID no 0063 Name address identification number of the notified body Module D SZUTEST E...

Страница 78: ...I 78 Z 038791_EN Rev A NOTES ...

Страница 79: ...I 79 Z 038791_EN Rev A NOTES ...

Страница 80: ...www myaic eu AIC Europe B V Graafschap Hornelaan 163A NL 6001 AC Weert The Netherlands ...

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