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Unical MODULEX EXT Series, Installation And Maintenance Instructions Manual, Page: 11 / 54

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Unical MODULEX EXT Series Installation And Maintenance Instructions Manual Download Page 11

11

Technical Features

ENGLISH

KeY
no.

c.e. 

S.e.

description

1

Ufly

control panel  

2

VG

Gas valve

3

 

 

Burner cover

4

 

e. Acc.

Ignition electrode

5

 

e. rIl.

detection electrode

7 

Tl

limit Thermostat   

8

 

 

Burner

9

Silicon Aluminium heat exchanger

10

 

Sl

condensate level sensor

11

 

 

condensate collection pan / 

Chimney fitting

12

frame

13

condensation drainage outlet  

14

drain valve

15

Srr 

Global return Sensor

16

SmG 

Global flow Sensor

17

Automatic air vent

18

 

fan 

19

Pf min

Smoke pressure minimum pressure 

switch

20

Pf

Smoke pressure switch

Flue gas outlet

 lefT, rIGhT, reAr side 

Flow

 lefT side  

Return

 lefT side

Gas inlet

 lefT side

Bcm: under the front casing 

Summary of Contents for MODULEX EXT Series

Page 1: ...e n G l I S h INsTALLATION AND MAINTENANCE INsTRUCTIONs 348 440 550 660 770 900 moduleX eXT...

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: ...nd safety devices 39 3 15 Programming operating parameters 40 3 16 Release and reset error codes 43 Attention this manual contains instructions for the exclusive use of the professionally qualified in...

Page 4: ...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 qua...

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: ...X PH 6 5 8 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 m...

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: ...FEATURES AND DIMENSIONS 2 1 TECHNICAL FEATURES NOTE Further details in the section Technical Information on the boiler page of the www unicalag it website 2 2 INTERNAL VIEW WITH THE INDICATION OF THE...

Page 11: ...eat Exchanger 10 SL Condensate level sensor 11 Condensate collection pan Chimney fitting 12 Frame 13 Condensation drainage outlet 14 Drain valve 15 SRR Global Return Sensor 16 SMG Global Flow Sensor 1...

Page 12: ...6 Connection dimensions Gas Fitting G mm inch 80 3 80 3 80 3 80 3 80 3 80 3 System flow M mm inch 100 4 100 4 100 4 100 4 100 4 100 4 System return R mm inch 100 4 100 4 100 4 100 4 100 4 100 4 Chimne...

Page 13: ...oss at chimney with burner on max 2 40 2 58 2 53 2 51 2 58 2 58 Minimum heating circuit pressure bar 0 5 Maximum heating circuit pressure bar 6 Water content L 67 67 80 94 108 122 Methane gas consumpt...

Page 14: ...e at 30 of the rated heat output with low temperature capacity Tr 30 C 1 96 2 Boiler with output range adjustment YES NO NO NO NO NO NO NO Auxiliary electricity consumption With a full load elmax kW 0...

Page 15: ...low rates according to the circuit s t The pump is not an integral part of the boiler It is recommended to select a pump with a flow rate and head of approximately 2 3 of its characteristic curve MODU...

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: ...transport To remove the boiler from the pallet it is necessary to have a rocker crane to avoid damage during gripping Remove the casings and harness with the straps A taking care to pass the straps on...

Page 18: ...temperature lower than 5 C 23 F superior than 50 C 122 F T max 50 C 122 F T min 5 C 23 F 2 Max admitted boilers stacked Do not turn upside down Do not expose to rain Fragile Do not expose to sunlight...

Page 19: ...densate 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 see fig...

Page 20: ...vacuation 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 optional air intake kit w...

Page 21: ...C 3 7 BOILER CONNECTION The MODULEX boiler leaves the factory ready for hydraulic flow and return gas connections on the left side of the boiler To fix the flue gas exhaust manifold use the screws an...

Page 22: ...diately 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 leaks we re...

Page 23: ...ction between the appliance and the domestic wastewater system must be made in compliance with the specific reference standards H min 100 mm 150 C B 150 25 A If you do not want to or cannot create a b...

Page 24: ...on the heating circuit or use the optional accessories The boiler is equipped with its own drain valve 14 This valve can never be used to drain the system since all the dirt in the system can accumul...

Page 25: ...25 Installation instructions E N G L I S H PAGE LEF T INTEN TION ALL Y BLANK...

Page 26: ...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 3 4 A2 1 2 3 4 A3 A1 1 2 3 4 5 6 ROD1 ROD F1 A4 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...

Page 27: ...itch 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 28: ...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 29: ...ontact 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 7 8...

Page 30: ...30 PAGE LEF T INTEN TION ALL Y BLANK...

Page 31: ...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 32: ...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 33: ...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 34: ...34 ON ON OFF 10V ON 10V Wilo Stratos modulating pump setting ext input enabling 0 10 V...

Page 35: ...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 36: ...ng measurements measurement of the combustion air temperature measurement of the flue gas temperature and content of CO2 taken in the relevant hole 2 Take the measurements with the generator in steady...

Page 37: ...however if required recalibrate the gas valves MODULE 1 MODULE 2 etc A B B B ATTENTION To access the gas valves more easily release the electrical panel A by means of the springs B right and left Sli...

Page 38: ...1 Maximum output adjustment Operate the boiler in calibration mode at MAXIMUM OUT PUT see 3 12 1 Once the burner is on check that the MAXIMUM CO2 output value corresponds to that indicated in the NOZZ...

Page 39: ...NO 28 73 10 2 10 4 50 Follow this procedure to also adjust the other modules If the capacity read is too low make sure the power feed and drain system feed and drain pipes are not clogged If they are...

Page 40: ...Thermostat G Fuse H Main Switch I TLG Main Limit Thermostat when it triggers it cuts power to the boiler the F lamp lights up To rearm remove the cap and press NOTE The devices are positioned under th...

Page 41: ...ximum Control 0 100 31 HL CH 1 Minimum Set point C 20 85 39 HH CH 1 Maximum Set point C 20 85 792 CHP CH Max Modulation 0 100 619 IG Ignition Modulation 30 80 527 PU Fan PPR 0 3 486 FP Fan Reg Prop 0...

Page 42: ...56 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 CH 1 Set point C 20...

Page 43: ...on Check the gas supply 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 Chec...

Page 44: ...y 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 95 Resetting is aut...

Page 45: ...previously Vent and 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 waterti...

Page 46: ...not need to be cleaned 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 firs...

Page 47: ...ctions e n G l I S h release the fan chamber fastening spring right left side remove the red silicon pipes and then the fan chamber Element screws remove screws A for each element with socket wrench a...

Page 48: ...3 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 remove the four scre...

Page 49: ...h Slightly lift the rear burner block and remove the 2 pins using a 5 mm hex spanner until you reach the holes C left and right side lift the burner block front part Remove the gas fittings from the g...

Page 50: ...ary 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 to the body with...

Page 51: ...51 Installation instructions E N G L I S H PAGE LEF T INTEN TION ALL Y BLANK...

Page 52: ...R 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 24 V MOD 1 KIT SHC 24...

Page 53: ...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 A7 4 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 N BL BR...

Page 54: ...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...

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