Unical MODULEX EXT Series, Installation And Maintenance Instruction

Page 1: ...e n G l I S h 100 116 150 200 250 300 350 moduleX eXT INsTALLATION AND MAINTENANCE INsTRUCTIONs...

Page 2: ...te waste collection is mandatory for this type of waste in order to allow the recovery and reuse of the materials making up the appliance Please contact operators authorised for the disposal of this t...

Page 3: ...s 37 3 15 Programming operating parameters 38 3 16 Release and reset error codes 40 Attention this manual contains instructions for the exclusive use of the professionally qualified installer and or m...

Page 4: ...l with care for further consultation Your appliance must be installed and serviced in compliance with the standards in force according to the manufacturer instructions up to standard and by legally qu...

Page 5: ...rohibition of modifying them Inform the user on how to control the system s water pressure as well as operations to restore it Inform the user on correct temperature control control units thermostats...

Page 6: ...parts the boiler the gas air water and electricity supply lines the flue gas pipe the safety valve and the exhaust pipe the construction parts which affect the operating safety of the appliance ATTENT...

Page 7: ...ct 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 energy efficiency to heat the r...

Page 8: ...PH 6 5 8 5 Hardness fr 9 15 NOTE Further details in the section Technical Information on the boiler page of the www unicalag it website 1 7 WATER TREATMENT Feed water treatment prevents problems and...

Page 9: ...low pos 2 The heating system can be protected effectively from frost by using antifreeze products with inhibitor for heating systems specific for multi metal Do not use car engine antifreeze products...

Page 10: ...OF THE MAIN COMPONENTS KEY No C E S E Description 1 Ufly Control panel 2 VG Gas valve 3 Burner cover 4 E RIL Ignition electrode 5 E ACC Detection electrode 6 SR Local heating sensor 7 TL Limit Thermo...

Page 11: ...necessary to position the flue gas exhaust on the left side of the boiler it is necessary to move cover A with its wiring level sensor and pressure switch pipe to the rear side of the boiler The rear...

Page 12: ...64 764 764 1032 1032 1300 1300 Width L1 mm 706 706 706 974 974 1242 1242 Depth P mm 770 770 770 770 770 770 770 Depth P1 mm 705 705 705 705 705 705 705 Connection dimensions Gas Fitting G mm inch 50 2...

Page 13: ...erature C 100 Maximum operating temperature C 85 Flue gas mass flow rate min kg h 19 6 Flue gas mass flow rate max kg h 163 190 245 327 409 490 569 Excess air 25 5 Heat loss at chimney with burner on...

Page 14: ...r 30 C P1 kW 32 2 37 4 49 3 64 4 80 5 96 6 112 Performance at 30 of the rated heat output with low temperature capacity Tr 30 C 1 96 7 Boiler with output range adjustment YES NO NO NO NO NO NO NO NO A...

Page 15: ...ted rated flow rate in l h Dt 20K 4 180 MODULEX EXT 250 Maximum flow rate in l h Dt 15K 14 018 Requested rated flow rate in l h Dt 20K 10 514 MODULEX EXT 116 Maximum flow rate in l h Dt 15K 6 471 Requ...

Page 16: ...rements according to law 46 90 which under his own responsibility guarantees compliance with standards according to good practice rules Attention Mount the appliance respecting the minimum dis tances...

Page 17: ...ws necessary for fixing the flue gas terminal The sensors external heater The flue inspection cap Sheet and cable glands for power supply output On the right side of the boiler Condensate drain trap p...

Page 18: ...om condensate boilers and anything else applicable The boiler can be placed on a flat and sufficiently sturdy base with a size in the plan not inferior to that of the boiler and at least 100 mm high s...

Page 19: ...combustion products evacuation pipe outside the room the combustion air is taken directly from the room where the appliance is installed C63 ATTENTION For the C63 configuration you must order the opt...

Page 20: ...Rh side hole of the casing FOR MODELS 100 116 150 200 It is necessary to request the optional flue gas kit consisting of the closing plate of the Rh side hole of the casing The boiler leaves the facto...

Page 21: ...arks b Immediately open doors and windows to create air current to air out the room c Close the gas valves d Request the intervention of professionally qualified personnel As a precaution against gas...

Page 22: ...liance and the domestic wastewater system must be made in compliance with the specific reference standards H min 100 mm 150 C A B 150 25 If you do not want to or cannot create a base the boiler can be...

Page 23: ...a filling valve on the heating circuit or use the optional acces sories The boiler is equipped with its own draining valve 14 This valve can never be used to drain the sys tem since all the dirt in t...

Page 24: ...2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 Y1 1 2 3 4 A2 1 2 3 4 A3 A1 1 2 3 4 5 6 ROD1 ROD F1 A4 D 51 50 A8 3 2 1 4 7 6 5 8 3 2 1 A74 5 6 A5 2 1 A6 2 1 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 Y1 1 2...

Page 25: ...witch must be installed on the boiler power line with over 3 mm between contacts easy to access making maintenance quick and safe Electric power supply connection The power supply of the boiler single...

Page 26: ...ng terminal boards of the boards in the boiler 6 7 8 9 10 11 12 F L TA Y2 BCM 1 2 3 4 5 FL SE TA Alarm signal 0 10V GND P Mod C P M Alim 230V Stemp ACC P Coll P CH P Car DHW Modbus INAIL SAFE INPUT 0...

Page 27: ...nal contact Stemp ACC 6 8 Storage Tank Temperature Sensor FL FL 10 Flow switch remove jumper INAIL 11 12 Safety devices remove jumper TA TA 9 Room thermostat Clock remove jumper 1 2 3 Y5 0 1 2 3 4 5 6...

Page 28: ...28 PAGE LEF T INTEN TION ALL Y BLANK...

Page 29: ...max SAFE 6 7 8 9 10 11 12 F L TA INAIL Y2 BCM 1 2 3 4 5 1 Y3 BCM Y2 HSCP UFLY 5 6 8 4 3 Y1 BMM1 4 3 2 1 Y4 BCM 2 3 SE Menu B KEY No Description 1 INAIL Safety bodies 2 Main electrical panel not suppl...

Page 30: ...N 1 N PE L1 Menu 24 V eBUS 1 2 3 4 1 2 3 4 5 6 7 Menu 6 7 8 9 10 11 12 F L TA INAIL Y2 BCM 1 2 3 4 5 1 Y3 BCM Y2 HSCP UFLY 5 6 8 4 3 Y1 BMM1 4 3 2 1 Y4 BCM 2 3 eBUS eBUS FL 1 C C C NC NC NO 1 3 T S 1...

Page 31: ...on secondary loop Note In case of installation with single boiler the above connections must be made on the return terminal board BCM board inside the boiler Note To configure cascade boiler managemen...

Page 32: ...32 ON ON OFF 10V ON 10V Wilo Stratos modulating pump setting ext input enabling 0 10 V...

Page 33: ...em 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 this operation must be carried o...

Page 34: ...alysis sensor 4 in the cap hole Perform the measurement Remove the cap and close the flue gas exhaust inlet with the specific cap 2 All boilers leave the factory already calibrated and tested However...

Page 35: ...haust terminal see chap 3 12 2 All boilers leave the factory already calibrated and tested however if required recalibrate the gas valves MODULE 1 MODULE 2 etc 2 Minimum output adjustment Operate the...

Page 36: ...low the procedures below The VG must be calibrated with chimney pressure 0 Pa for this reason open the smoke duct 1 inspection door after calibration restore the door gasket NOZZLES PRESSURE CAPACITY...

Page 37: ...r to the BCM manual YELLOW LED flashing communication between BMM and BCM ok GREEN LED on Pump Active RED LED on Error code detected E Ufly control panel F TLG triggering lamp Main Limit Thermostat G...

Page 38: ...Modulation Gradient 1 0 100 0 526 FU Fan Max Max Hz 50 120 319 FH Maximum Modulation 1 0 100 0 346 FL Minimum Modulation 1 0 100 0 314 Sb Modulation on Standby 0 100 620 IP Postpurge Fan 0 100 617 IG...

Page 39: ...er Adjustment 0 15 656 drT DHW Temp Requested Differential K 20 20 657 drH DHW Requested Temp Hysteresis K 1 20 310 DpT DHW Pump Postcirc sec 5 600 660 dbT DHW Temp Maximum Boiler C 50 0 85 0 48 ChSet...

Page 40: ...ply or that the ignition detection electrode is working properly 4 05 FLAME LOSS DURING OPERATION Check the detection electrode 06 HIGH TEMPERATURE Boiler temperature too high Check pump operation and...

Page 41: ...NG 24 stop effect Try to Reset since the system automatically activates an antifreeze function therefore it could only be a warning 19 Flow overtemperature It is activated when the flow temperature is...

Page 42: ...if necessary restore the heating pressure until reaching a pressure of 0 8 1 0 bar Open the gas shut off valve Switch the boiler on Make sure the appliance is gas tight and watertight Failure to perfo...

Page 43: ...eaned Therefore the operation can be limited to cleaning the siphon ATTENTION A drop in thermal load may be caused by the obstruction of the exhaust duct or of the air inlet duct firstly check that th...

Page 44: ...pring right left side remove the red silicon pipes and then the fan chamber wiring release the wire ties at the top of the boiler do noT cuT remove the gas valve connector remove the fan connector rem...

Page 45: ...3 mm socket wrench 13 mm hex spanner and remove the fastening plates Element screws remove screws A for each element with 13 mm socket wrench remove the gas pipe fastening screws right and left sides...

Page 46: ...lightly lift the rear burner block and remove the 2 pins using a 4 mm hex spanner until you reach the holes C lift the burner block front part Insert the dowels in the holes D to support the burner bl...

Page 47: ...lean it if necessary Inspect the flue gas exhaust pipe and the flue Third phase Re assembly When reassembling proceed in reverse order taking care to tighten the fastening screws of the mixer fan unit...

Page 48: ...R WH WH SR WH WH WH BR BL BL PF minTL T 1 L BL BL ONLY AUSTRALIA MOD 1 PF min MOD 2 7 BL SR 2 7 PF min TL 2 7 WH WH WH WH BL A4 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 A1 VM R 1 7 8 2 3 4 5 eBUS eBUS 2...

Page 49: ...minTL T 1 L BL BL MOD 1 MOD 2 8 BL SR 2 8 PF min TL 2 8 WH BK WH BK BL A4 1 2 3 4 5 6 7 8 9 10 11 12 A8 3 2 1 4 7 6 5 8 3 2 1 A74 5 6 V2 VG 1 7 8 T ACC 1 7 8 1 E ACC 1 7 8 SILICON R Y G BR BL A5 A6 L1...

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Page 51: ...51 Maintenance instructions E N G L I S H...

Page 52: ...due to transcription or printing errors Furthermore it reserves the right to modify its products as deemed necessary or useful without affecting their essential features 46033 casteldario mantua Italy...