Unical KON 1 C24 Installation And Servicing Manual Download | Manualshive

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25

ENGLISH

Installation Instructions

Connection to remote control

Danger!

Only a qualified technician may per

-

form the electrical installation.

Before performing connections or

3.9 - ELECTRICAL CONNECTIONS

any type of operation on electrical parts, always

disconnect electrical power and make sure that

it cannot be reconnected accidentally.

Connect Bridge to

TA1 / OT

terminals after removing jumper from TA2.

To activate remote control (EASY

r) follow the instructions supplied with the remote control

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Summary of Contents for KON 1 C24

Page 1: ...C24 C28 C35 E N G L I S H INSTALLATION AND SERVICING MANUAL Note User Instructions are contained into Remote Control suppled with the boiler ...

Page 2: ...sed of as urban waste It can be taken to a special recycling centre managed by the local authorities or to a dealer who offers this service Separate disposal of a domestic appliance avoids possible negative consequences for the environment and human health deriving from inappropriate waste handling and allows the recovery of the materials of which it is made in order to obtain significant energy a...

Page 3: ...4 4 MAINTENANCE INSTRUCTIONS 34 4 1 Inspection and maintenance instructions 34 4 2 Remote control 36 4 3 TSp Parameters 37 4 4 Adaptation of the power to the heating system 39 4 5 Wiring diagram 40 4 5 Error Code 41 3 INSTALLATION INSTRUCTIONS 16 3 1 General warnings 16 3 2 Installation standards 16 3 3 Preventive system verification and adjustment operations 16 3 4 Packaging 17 3 4 Positioning th...

Page 4: ...t was expressly designed Any other use is to be considered improper and therefore dangerous 1 1 general warnings The instruction booklet is an integral and essential part of the product and must be kept by the user Read the warnings contained in this instruction booklet carefully as they provide important guidelines regarding installation use and maintenance safety Keep the booklet with care for f...

Page 5: ...ther documents concerning the appliance inserted in the envelope inside the packaging The user must keep this documentation safe for future consultation Inform the user about the importance of the air vents and the flue gas exhaust system high lighting their essential features and the absolute prohibition of modifying them Inform the user concerning controlling the system s water pressure as well ...

Page 6: ...ch affect the operating safety of the appliance Attention To tighten or loosen the screwed fittings use only appropriate fixed spanners Incompliant use and or inappropriate tools can cause damage e g water or gas leakage ATTENTION Indications for propane gas fired appliances Make sure that the gas tank has been deaerated before installing the appliance For state of the art tank venting contact the...

Page 7: ...c hot water temperature C Electrical characteristics 21 Electrical power supply 22 Consumption 23 Protection rating D Countries of destination 24 Direct and indirect countries of destination 25 Gas category 26 Supply pressure E Factory settings 27 Adjusted for gas type X 28 Space for national brands G ErP 29 Seasonal space heating energy efficiency 30 Energy efficiency in DHW production mode The r...

Page 8: ...wa ter will not be covered by the warranty The treatment of the supply water allows to prevent inconveniences and maintain the functionality and efficiency of the generator over time The ideal water pH in heating systems must be within To minimise corrosion it is crucial to use a corrosion inhibitor in order for it to work properly the metal surfac es must be clean see system protection ACCESSO RI...

Page 9: ...E N G L I S H KON 1 C24 2 TECHNICAL FEATURES AND DIMENSIONS 2 1 TECHNICAL FEATURES 2 2 VIEW WITH THE INDICATION OF THE MAIN COMPONENTS AND DIMENSIONS NOTE For more information See Technical Info from site indicated at pag 2 ...

Page 10: ...10 KON 1 C24 View from above View from below ...

Page 11: ...11 Technical Features E N G L I S H KON 1 C28 KON 1 C35 ...

Page 12: ...12 79 143 KON 1 C28 KON 1 C35 View from above View from below ...

Page 13: ...e 17 Plate heat exchanger 18 FL FH VM Fan 20 Safety valve 22 rb SRR Return temperature sensor 23 tf TLC Flue gas collector safety ther mostat 24 Aluminium Heat Exchanger Ca pacitor 25 Vent valve 26 Condensation drain trap 35 Service panel 36 Manometer C Domestic hot water outlet G G Gas inlet G F Cold water inlet G M Heating system flow G R Heating system return G Rc Filling valve Sc Boiler drain ...

Page 14: ...4 KON 1 C24 C28 C35 MODULATING PUMP 2 3 DIAGRAM OF FLOW RATE PRESSURE AVAILABLE FOR INSTALLATION DIAGRAM OF FLOW RATE PRESSURE AVAILABLE FOR INSTALLATION Flow rate l h Avaible Head m c a metres of water ...

Page 15: ...nsumptionl Qfuel kWh 22 07 23 05 23 13 Inside sound power level Lwa dB A 51 55 2 55 2 Seasonal efficiency class in DHW production mode A A A KON 1 C24 KON 1 C28 KON 1 C35 Nominal heat input in CH DHW mode kW 23 4 23 4 28 0 28 0 33 0 33 0 Minimum heat input with Nat Gas Propane kW 3 0 4 4 4 4 5 6 4 4 5 6 Nominal heat output kW 22 6 27 2 32 0 Minimum heat output kW 2 9 4 3 4 3 Nominal output in cond...

Page 16: ...ic hot water circuit pressure bar 6 6 6 Domestic hot water specific flow rate t 30 C D l min 11 2 13 16 Domestic hot water flow rate limiter l min Production of D H W in continuous operation with t 45 K l min 7 34 8 6 10 1 Production of D H W in continuous operation with t 40 K l min 8 26 9 7 11 4 Production of D H W in continuous operation with t 35 K l min 9 44 11 1 13 0 Production of D H W in c...

Page 17: ...lue be mounted Attention If there is dust and or if there are aggressive corrosive vapours present in the installation room the appliance must be protected suitably and must be able to operate independently from the air in the room Attention Only mount the appliance on a closed wall made of non flammable materi al flat vertical so that the minimum distances required for installation and maintenanc...

Page 18: ... Bracket for fixing E Chimney spacer F Remote control EASYr G Gateway optional Clearance The boiler is supplied completely assembled in a sturdy cardboard box After having removed the appliance from the pack aging make sure that the supply is complete and undamaged The packaging elements cardboard box straps plastic bags etc must be kept out of the reach of children as they are potential sources o...

Page 19: ...l which can support its weight The wall must not be made of flammable material 3 5 POSITIONING THE BOILER Since the temperature of the wall on which the boil er is installed and the temperature of the coaxial exhaust pipe do not exceed in normal operating conditions a room temperature beyond 60 K it is not necessary to observe the minimum distances from flammable walls For boilers with double inta...

Page 20: ...Horizontal exhaust and intake terminals directed outside via coaxial or double pipes C33x C33 TOTAL LENGTH LA intake L Exhaust COAXIAL Ø60 100 DOUBLE Ø80 FROM m TO m FROM m TO m 1 7 0 5 0 5 40 20A 20S COAXIAL Ø80 125 DOUBLE Ø60 FROM m TO m FROM m TO m 1 9 1 1 20 10A 10S ertical exhaust and intake terminals directed out side via coaxial or double pipes C53x C53 C53 NOT ALLOWED C53 TOTAL LENGTH LA i...

Page 21: ...or siphon at the base of the smoke kit because the boiler is not fitted to receive the condensate drain from the evacuation system of combustion products B23P TOTAL LENGTH LS DOUBLE Ø80 FROM m TO m 1 30 Connection to a combustion products evacuation pipe outside the room the combustion air is tak en directly from the room where the appliance is installed C83x C83 Connection to a terminal for combu...

Page 22: ...ENERAL INFORMATION ON THE FLUE GAS EXHAUST SYSTEM It is recommended to only use original Unical exhaust pipes The supplier will have no contractual or extra contractual liability for damage caused due to incorrect installation and use and in any case failure to comply with the instructions provided by the manufacturer NOTE For further details relating to pressure drops of the individual components...

Page 23: ...pliance check that the trap is assembled properly fill the trap and check that the condensation is drained properly If the appliance is used with an empty condensation drain trap there is an intoxication hazard due to the release of exhaust gasses M FLOW 3 4 R RETURN 3 4 G GAS 3 4 C HOT 1 2 F COLD 1 2 3 7 CONNECTION Danger The gas connection must be carried out only by a qualified installer who mu...

Page 24: ... tap Rc and bleed air once again through the radiator air release valves make sure that all the connections are watertight after commissioning the boiler see par 3 10 and bringing the system to the operating temperature stop the boiler and repeat the air bleed operations let the system cool down and if necessary return the water pressure to 0 8 1 bar See par 4 4 CHECK PRESSURE VALUE Press several ...

Page 25: ...Before performing connections or 3 9 ELECTRICAL CONNECTIONS any type of operation on electrical parts always disconnect electrical power and make sure that it cannot be reconnected accidentally Connect Bridge to TA1 OT terminals after removing jumper from TA2 To activate remote control EASYr follow the instructions supplied with the remote control ...

Page 26: ...uired the regula tions in force Remember that a bipolar switch must be installed on the boiler power line with over 3 mm between contacts easy to access making maintenance quick and safe The power cable must be replaced by technical personnel authorised by UNICALAG S p A using original spare parts only Failure to comply with the above can jeopardise the safety of the appliance If necessary the shi...

Page 27: ... are any system shut off gate valves open does the gas to be used correspond to the boiler calibration gas otherwise perform the boiler conversion in order to use the gas available see section 4 3 this operation must be carried out by technical staff qualified in compliance with the standards in force is the gas supply valve open has the system been checked for gas leaks is the outside main switch...

Page 28: ... the Authorized Service Centers KEY B Summer Winter Selector Room heating temperature regulator request from ON OFF thermostat C Domestic hot water temperature regulator D Unblock calibration diagnosis button E Display info F Heating function active G Domestic hot water function active I Block symbol L Burner in operation symbol M Fault symbol N Temperature of fault code indication If remote contr...

Page 29: ...domestic hot water request 2 MAXIMUM OUTPUT By turning the knob B onto MAX the boiler will operate at maximum output 3 illuminated symbols 4 DISABLING The calibration function stays active for 15 minutes To disable the CALIBRATION function before the time elapses switch the boiler on and off again by acting on the main switch 3 MINIMUM OUTPUT By turning the knob B in position the boiler will opera...

Page 30: ... A B C 2 2 To determine the combustion efficiency one must make the following measurements measurement of the combustion air temperature taken in the relevant hole 1 Coaxial pipes SEPARATE pipes Pipes Ø 80 type B23 measurement of the flue gas temperature and content of CO2 taken in the relevant hole 2 Take the measurements with the generator in steady state conditions see par 3 11 1 3 12 2 Positio...

Page 31: ... the timed calibration function by switch ing off the main switch close the flue gas inspection sample points of the intake and exhaust terminal check that there are no gas leaks 3 13 ADJUSTING THE BURNER 2 Minimum output adjustment Operate the boiler in calibration mode at MINI MUM OUTPUT see 3 10 1 Once the burner is on check that the CO2 MINI MUM value corresponds to that indicated in the table...

Page 32: ...pane G31 5 4 27 2 5 6 28 0 37 1400 5900 9 8x25 6 10 5 10 5 0 43 kg h 2 17 kg h 60 8 9 9 7 cceptable range for G20 10 0 11 0 Acceptable range for G31 KON 1 C35 Type of Gas Effective Output kW Heating Thermal kW Capacity Supply Press mbar Fan speed rpm Collector diaphragm Ø n holes CO2 levels Con sumption Con sumption Start up power IG min max min max min max Nat gas G20 4 3 32 0 4 4 33 20 1200 7000...

Page 33: ...meter HP about 68 E g KON 1 C24 to decrease the output of the boiler to 17 5 kW edit parameter HP about 68 ATTENTION Function reserved for Authorised Assistance Centres only It is possible to adjust the maximum thermal capacity in heating mode by decreasing the burner pressure value Act on parameter HP par 4 2 SE parameters list to achieve the value corresponding to the desired output The user is ...

Page 34: ... the temperature C and the nom resistance Ohm of the heating probe SR and of the domestic hot water probe SS Example At 25 C the nominal resistance is 10067 Ohm At 90 C the nominal resistance is 920 Ohm 4 1 INSPECTION AND MAINTE NANCE INSTRUCTIONS To assure long term functioning of your appliance and to avoid altering its approved status only original Unical AG S p A spare parts must be used If a ...

Page 35: ...e water pressure is below 0 4 bar Without request close the shut off valves of the heating circuit open the drain valve to make the water pressure decrease Before pressurising again check the pressure of the expansion vessel Expansion vessel 8 Does the vessel contain the right amount of air Check the pressure in expansion vessel 1 bar when the boiler is empty Pressurise the boiler open the pump au...

Page 36: ...temperature adjustment button KEY DISPLAY 11 Heating programme time bands 12 Day of week 13 Hours and minutes 14 Programs OFF HEATING MANUAL HEATING AUTOMAT HOLYDAY 15 Winter mode 16 Heating demand 17 Summer mode 18 DHW demand 19 Flame presence and level 20 Room temperature 21 Outside temperature Only with external probe avaible 22 Room antifreeze 23 Fault 24 Batteries flat 25 Flashing Finding syn...

Page 37: ... OE Reserved Parameters not editable Press button indicated user information setting button the first parameter is displayed P01 TSP Press again Reset button to select manù TS OE To change value wait until flashing the parameter press button up down No confirmation is required Press button indicated to show other parameters P02 P TSP To exit the Menu press the Reset button for 10 seconds In any ca...

Page 38: ...TSp Parameter EASYr Desciption Min Max P11 IgL GPL Modulation level at start 0 100 P12 FL NAT Min Fan Speed 60 40 P13 FLL GPL Min Fan Speed 10 40 P14 FH NAT Max Fan Speed 41 70 P15 FHL GPL Max Fan Speed 41 70 P16 HL CH 1 Min Set point 20 45 P17 HH CH 1 Max Set point 50 85 P18 dL Min ACS Set point 25 45 P19 dH Max ACS Set point 50 65 P20 FSt Flame stabilization time after ignition 0 30 P21 Tpe Pre ...

Page 39: ...ng the appli ance For state of the art deaeration of the tank contact the LPG supplier or a person qualified in compliance with law If the tank has not been professionally deaerated ignition problems could arise In that case contact the supplier of the LPG tank To convert the boiler from one type of gas to another proceed as follows Disconnect the appliance from the elctrical power supply Access t...

Page 40: ...ctrode MVD Domestic hot water request flow switch P Pump SPI Pressure Sensor System SR Flow heating sensor SRR Return heating sensor SS Domestic hot water probe Pred for R models TL Limit thermostat TLC Flue gas collector limit thermostat VG Gas valve VM Modulating fan SE External probe connection terminals TA1 OT Modulating TA connection terminals TA2 On off TA connection terminals ...

Page 41: ...xiliary SRR sensor inter rupted Check the wiring if needed re place the auxiliary sensor 22 45 2 OVER PRESSURE WATER Detected if pressure transdu cer is present H2 O di 2 5 bar is reset automatically when pressure is H2 O 2 bar Wait values return to the stan dard limits Replace Transdu cer Check expansion vessel pre load 30 30 SERVICE PARAMETERS Service parameters altered due to possible electroma...

Page 42: ... chap 3 8 and wait for the values to return within default limits If needed check the electrical connections and replace the minimum water pressure switch 44 12 WATER PRESSURE Faulty transducer Assistance Wait values return to the stan dard limits Replace Transdu cer 16 16 EXCHANGER FREEZING 24 Exchanger freezing is de tected If the heating sensor detects a temperature below 2 C burner ignition is...

Page 43: ... if the anomaly persists replace the electrode 4 20 20 PARASITE FLAME Flame detected after swtich off Check the wiring and for any leaks from the gas valve 3 3 if needed replace the gas valve 46 CAMINO 5 FLUE GAS COLLECTOR SAFETY THERMOSTAT Intervention of the flue gas col lector safety thermostat 23 Rearm the thermostat man ually and press the unblock button on the panel Check the connections 19 ...

Page 44: ...nical eu AG S p A 00337169 1 st ed 03 17 www unical eu Unical declines every responsibility for the possible inaccuracies if owed to errors of transcript or press Also reserves the right to bring those changes that it will hold necessary to it own products or profits without jeopardizing its essential characteristics ...

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