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Maintenance instructions

ENGLISH

4.4 - wIRING DIAGRAM

Practical connection board

MVD

Diverter valve motor

MDV (**)

Control predisposition diverter (external water

heater) only Heating boilers

Circolatore Modulante

SPI

Pressure Sensor System

Flow heating sensor

SRR

Return heating sensor

Domestic hot water probe (Pred. for R models)

Limit thermostat

TLC

Flue gas collector limit thermostat

Gas valve

VM (A)

Soupply modulating fan

VM (R)

Rilev./Reg. Modulating Fun

Scheda GATEWAY

Y1....Y3

Services connectors

230 V - 50 Hz

Boiler Supply

EXT DEVICE

External devices: SHC (eBUS+/eBUS-)

Terminal Room sensor

Terminal Outer sensor

/TA

Terminal TA on-off /

OT disabled)

UFLY

connection

U-fly BOX supply

Содержание S 24

Страница 1: ...E N G L I S H INSTALLATION AND SERVICING MANUAL S 24 S 28 S 35 TOUCH CONTROL Ufly BOX integrate...

Страница 2: ...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 inap...

Страница 3: ...di Ufly BOX 33 4 2 Parameters that can be edited from the control panel 35 4 3 Adaptation of the power to the heating system 38 4 3 1 GAC adjustment 39 4 4 Wiring diagram 43 4 5 Error Code 44 4 5 1 Fi...

Страница 4: ...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 kep...

Страница 5: ...her 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...

Страница 6: ...h 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 w...

Страница 7: ...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 cat...

Страница 8: ...e clean see system protection ACCESSO RIES sect in domestic price list VALUE MIN MAX PH 6 5 8 Hardness fr 9 15 1 8 BOILER ANTIFREEZE PROTECTION P O S ANTIFREEZE FUNCTION Power supplies 11 SR Status fu...

Страница 9: ...N G L I S H 2 OSA S 24 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 si...

Страница 10: ...10 OSA S 28 OSA S 35...

Страница 11: ...11 OSA S 24 OSA S 28 OSA S 35 View from above View from below...

Страница 12: ...afety 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 33 Ufly BOX retractable...

Страница 13: ...PUMP OSA S 24 OSA S 28 OSA S 35 2 3 DIAGRAM OF FLOW RATE PRESSURE AVAILABLE FOR INSTALLATION Flow rate l h Flow rate l h Avaible Head m c a metres of water Avaible Head m c a metres of water DIAGRAM O...

Страница 14: ...energy efficiency s 94 94 94 Seasonal efficiency class in heating mode A A A Integrated Weather compensator and room sensor Classe VI 4 4 4 Seasonal space heating energy efficiency of package s Packa...

Страница 15: ...with t 35 K l min 9 4 13 3 13 3 Production of D H W in continuous operation with t 30 K l min 11 0 15 5 15 5 Production of D H W in continuous operation with t 25 K l min 13 2 18 6 18 6 Voltage Freque...

Страница 16: ...ion 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 i...

Страница 17: ...must be kept out of the reach of children as they are potential sources of danger Unical AG S p A will not be held liable As well as the appliance the packaging contains A DOCUMENTATION ENVELOPE User...

Страница 18: ...upport its weight The wall must not be made of flammable material 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 n...

Страница 19: ...in 250 mm max 500 Horizontal exhaust and intake terminals directed outside via coaxial or double pipes C33x C33 TOTAL LENGTH LA intake L Exhaust COAXIAL 60 100 DOUBLE 80 FROM m TO m FROM m TO m 1 7 0...

Страница 20: ...t Subtracting the values of LT reported at values of bends terminals extensions you get the value if 0 OK POSSIBLE configuration if 0 NO WRONG configuration Values in the MT018 available on the websit...

Страница 21: ...ORMATION 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 incorr...

Страница 22: ...forms inside the boiler flows into a suitable drain via pipe B Condensation outlet pipe to be connected to the drainage system Danger Before commissioning the appliance check that the trap is assemble...

Страница 23: ...reaches approximately 0 8 1 bar close the filling tap Rc and bleed air once again through the radiator air release valves make sure that all the connections are watertight after commissioning the boi...

Страница 24: ...om thermostat OT OpenTherm is not enabled The external connections have to be made on the GATEWAY connector Y3 the cable exits wil be made in groves on cover A Optional Danger Only a qualified technic...

Страница 25: ...g 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 sa...

Страница 26: ...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 c...

Страница 27: ...IVATION OF THE calibration function 1 Insert psw and select sweeper again 4 Activation Vary mod request from 10 to 100 2 Activation 3 Chose burner among those available eg usually 1 modulex from 1 to...

Страница 28: ...the relevant hole 1 Take the measurements with the generator in steady state conditions see par 3 11 1 3 11 2 Positioning the probes Air probe Air probe Flue gas probe Flue gas probe It s important t...

Страница 29: ...h Propano G31 4 3 27 3 4 4 28 0 37 10 4 10 5 0 34 kg h 2 17 kg h 9 0 9 8 Acceptable range for G20 10 0 11 0 Acceptable range for G31 OSA S 35 Type of Gas Effective Output kW Heating Thermal kW Capaci...

Страница 30: ...next level by pressing Ignition If the CO2 value is not as expected when appears box you can retouch the value of the Minimum Power If the CO2 value is not as expected when appears box you can retouch...

Страница 31: ...NG SYSTEM Act on parameter 792 par 4 2 SE parameters list to achieve the value corresponding to the desired output The user is NOT authorised to activate the func tion described below E g OSA S 24 to...

Страница 32: ...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 Oh...

Страница 33: ...icated General Operating Instructions for Ufly BOX are contained in specific manual provided with the boiler This section only lists the steps requi red to Adjustment maintenance of the boiler Chimney...

Страница 34: ...he 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 pressur...

Страница 35: ...scans devices if new devices are recognized such as hcm bcm Heating Burner Control Manager shc Slave Heating Controller Multifunction module bmm Burner Modul Manager They are displayed on the next scr...

Страница 36: ...1 Minimum Set point 30 20 45 39 CH 1 Max Set point 85 50 85 650 ACS Set point Min 35 25 45 385 ACS Set point Max 60 50 65 48 CH 1 Set point C 70 20 85 832 Access Code 0 0 199 To change the following...

Страница 37: ...CH ACS 0 0 100 2590 Burner power 0 9 619 Modulation and ignition 10 70 Historical Error Clean display Error with CLEAR 346 Fan min speed 0 199 319 fan max speed 0 199 353 Regolation Proportional 1 20...

Страница 38: ...fired appliances Make sure that the gas tank has been deaerated before installing the appli ance For state of the art deaeration of the tank contact the LPG supplier or a person qualified in complian...

Страница 39: ...estic hot water mode as well Make sure that there are no heating requests pre sent and that all the valves of the heating system are open If during this stage one wishes to disperse the heat on the do...

Страница 40: ...40 Step 2 CALIBRATION POWER START Step 3 CALIBRATION MIN POWER Step 1 CALIBRATION MAX POWER The automatic calibration is completed To perform the calibration adjustment of combu stion see par 3 12 1...

Страница 41: ...41 Maintenance instructions E N G L I S H This page is intentionally left blank...

Страница 42: ...A9 Services connectors ALIM P sup Supply Pump Extra CMP Control modulating Pump E ACC RIL Ignition detection electrode EVCI Caricamento Impianto Only OSA S FLS Domestic hot water request flow switch...

Страница 43: ...ow 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 A Soupply modulating fan VM R Rile...

Страница 44: ...nimum water pressure pressure switch 13 Fill the heating circuit as described in chap 3 8 and wait for the values to return within default limits If needed check the electrical connections and replace...

Страница 45: ...Ufly restore the altered parameters 31 System configuration invalid or corrupted 32 Low line voltage Correction if the line voltage is 190 Vac the line voltage is really below the minimum limit other...

Страница 46: ...46 94 Gas valve wiring 95 Frequent loss of flame 99 Internal error 100 General Lockout not listed 101 Ignition failure 102 Short circuit of the iono electrode 103 Gas valve open delay...

Страница 47: ...THE SYSTEM If the system does not reach 1 2 bar pressure within 60 seconds activate the fill manually by pressing LOAD icon By pressing reset icon start the automatic filling up to a pressure of 1 2 b...

Страница 48: ...ARD A universal board B memory board The memory board is programmed by de fault for METHANE gas operation In the event of LPG operation the 778 pa rameter must be edited Factory parameters see Chap 4...

Страница 49: ...of the service inner panel Remove the screws indicated to ex tract the panel and turn Indications related to programming with the emergency panel can be found at the address indicated on page 2 or on...

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Страница 52: ...ical eu AG S p A 00336315 2 nd ed 05 21 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...

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