Unical MODULEX EXT 150 Installation And Servicing Instructions Download Page 34 | Manualshive

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34

Instructions for the installer

3.21 - FUNCTIONAL WIRING DIAGRAM

Note: The pictures shown on the actual wiring
diagram, is purely indicative.

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Summary of Contents for MODULEX EXT 150

Page 1: ...E N G L I S H 100 150 200 250 300 350 INSTALLATION AND SERVICING INSTRUCTIONS MODULEX EXT...

Page 2: ...ngs 14 3 2 Packaging 15 3 3 Removal from the bed and insert foot 16 3 4 Boiler location in a boiler room 16 3 6 Boiler connection 18 3 7 Gas connection 19 3 8 Connection return and flow system pipes 2...

Page 3: ...o be instructed on the use and operation of his heating system in particular Hand over these instructions to the end user together with any other literature regarding this appliance placed inside the...

Page 4: ...ipe connections use only adequate fork spanners The improper use and or the use of inadequate equipment can cause damages for example water or gas leakages WARNING Indications for appliances operating...

Page 5: ...uit could lead to system gathering in the boiler body causing damage UNICAL recommends contacting a specialised company for water treatment Instead if installing a Modulex boiler in a new system it is...

Page 6: ...NOx Class A Heating circuit characteristics 9 Pn Effective nominal output 10 Pcond Effective output in condensation 11 Qn Maximum heat output 12 Adjusted Qn Adjusted for rated heat output 13 PMS Max...

Page 7: ...freeze or in several cases it is due to the natural formation of alkaline in the system Vice versa if the pH value is between 6 5 and 8 the aluminium surfaces of the boiler body are passivated and pro...

Page 8: ...leaning or servicing turn off the electrical supply to the boiler by means of the ON OFF switch and or by means of the appropriate shutdown devices Do not obstruct the intake outlet terminal ducts In...

Page 9: ...temperature flow Operation modes Ability to control power of the individual heating elements for any calibration and or assistance with access code confi dential Production of A C S by NTC of prioriti...

Page 10: ...he rear side of the boiler The rear side cover just re moved has to be re placed on the right side of the boiler Smoke and condensate evacuation connection on the R H side forniture condition L H side...

Page 11: ...n D mm Condensate drain diameter mm LEFT HAND SIDE VIEW M CH flow system R CH safety system return 2 3 DIMENSIONS G Gas inlet S Outlet condensate drain 150 3 1150 764 706 770 705 50 2 64 2 64 2 150 40...

Page 12: ...rating temperature C 85 85 85 85 85 85 Flue gas mass flow rate min kg h 19 6 19 6 19 6 19 6 19 6 19 6 Flue gas mass flow rate max kg h 163 245 327 409 490 569 Excess air 25 5 25 5 25 5 25 5 25 5 25 5...

Page 13: ...ure capacity Tr 30 C P1 kW 32 2 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 96 7 96 7 96 7 96 7 96 7 Boiler with output range adjust...

Page 14: ...the chimney flue pipe has an ade quate draught does not have any constrictions and that no other appliance s flue outlets have been fitted unless the chimney is serving more than one heating applianc...

Page 15: ...rminal The sealing gasket for flue socket 2 bends 1 Tee piece 1 plastic plug 40 mm for condensate drain the screws necessary for fixing the smoke chamber terminal The Outer sensor Flow sensor and the...

Page 16: ...he boiler can be put on a flat and sufficiently strong base with the same dimensions as the boiler ones and at least 100 mm high see fig 2 in order to assemble the condensate drain siphon An alternati...

Page 17: ...17 Instructions for the installer Give the boiler the minimum clearances as shown in the drawing in order to be able to make the normal service and cleaning operations...

Page 18: ...R H side panel To move the C H Flow Return connections from the R H side std delivery position to the L H side it is necessary to change each other the two flanges screwed on the C H Flow or Return m...

Page 19: ...it is recommended to thoroughly clean all the supply piping in order to remove any eventual residual grime which could compromise the boilers correct functioning If you smell gas a Do not turn on or o...

Page 20: ...IS ABSOLUTELY FORBIDDEN TO FIT ON OFF VALVES ON THE GENERATOR TO THE FORE OF THE SAFTEY DEVICES WARNING Before installing the boiler we recommend that the system is flushed out with a suitable produc...

Page 21: ...y valve with manometer control 14 Thermometer it indicates the effective water temperature contained in the generator It must be graduated in degrees Celsius with a temperature scale not exceeding 120...

Page 22: ...wo hydraulic circulation circuits balancing of the circuits mod EXT 100 150 DN 50 EXT 200 250 DN 50 EXT 300 350 DN 50 Recomended installation Mixing HeaderModulex Ext 100 350 cod 00361976 M DN 100 G 4...

Page 23: ...stallation has a mixing header NOTE The use of a mi xing header fitted bet ween the boiler circuit and the system circuit is always advisable It becomes INDISPENSABLE if the system requires flow rates...

Page 24: ...ditional plates to adjust the system as needed Modulex Modulex Ext 100 cod 00362087 Ext 100 cod 00362080 Ext 150 cod 00362088 Ext 150 cod 00362081 Ext 200 cod 00362089 Ext 200 cod 00362082 Ext 250 cod...

Page 25: ...00 350 00361944 PREMO S MODULEX 100 116 150 00362062 MODULEX 200 150 00362063 MODULEX 300 350 00362064 PREMO C MODULEX 100 116 150 00362015 MODULEX 200 150 00362014 MODULEX 300 350 00362013 WITH MIXIN...

Page 26: ...rain pipe will be on the same side of the smoke chamber passing below the smoke chamber Before commissioning the boiler fill the con densate siphon with water from the dedicated filling up plug Min he...

Page 27: ...a condensate evacuation system discharging according to the installation condition in the boiler condensate tray or in another dishpan separated from it In the construction of the flue duct it is nec...

Page 28: ...50 300 350 Flue gas mass flow rate max kg h 163 4 245 2 326 9 408 6 490 3 572 0 Esemple MODULEX 250 Flue gas mass flow rate 408 6 Kg h Chimney height 25 m Chimney connection 250 mm NOTE The diagram su...

Page 29: ...30 V 50 Hz is required The wiring to the boiler must be in accordance with the current CEI regulations WARNING We remind you that upstream of the electrical connection it will be necessary to foresee...

Page 30: ...upply Gas valve ISPESL Modulating pump outside sensor flow switch In the case of intervention of the safety devices the pump ON OFF continues to work to promote the disposal of high temperature In the...

Page 31: ...31 Instructions for the installer CONNECTING RING PRIMARY SUPPLIED WITH MODULAR PUMP THERMOSTAT ON OFF CONNECTIONS...

Page 32: ...32 Instructions for the installer THERMOSTAT FBR 2 CONNECTION room sensor...

Page 33: ...33 Instructions for the installer MODULATING THERMOSTAT CONNECTIONS...

Page 34: ...34 Instructions for the installer 3 21 Functional wiring diagram Note The pictures shown on the actual wiring diagram is purely indicative...

Page 35: ...35 Instructions for the installer...

Page 36: ...which one is for the mains 230 V connections and the other one is for the low tension connections The main controls necessary for the C H system management and for the boiler control as well some comp...

Page 37: ...37 Instructions for the installer Sensor terminal assignments Terminal assignments BCM...

Page 38: ...G ZONES D H W PRODUCTION 9 10 outdoor sensor 6 7 Storage tank sensor 4 Pump heating circuit 1 5 Pump heating circuit 2 6 Cylinder charging pump 5 Re circulation pump storage tank 4 5 Flow sensor heati...

Page 39: ...ONNECTION TO ONE MIXED AND ONE DIRECT HEATING ZONES D H W PROD 1 Mixer motor heating circuit 1 OPEN 2 Mixer motor heating circuit 1CLOSE 5 Re circulation pump storage tank 7 Mixer motor heating circui...

Page 40: ...40 Instructions for the installer Connection to seondary circuit Connection to section B Heating circuit 1 Connection to section C Heating circuit 2...

Page 41: ...the installer For the connection to a solar installation it is necessary to change some parameters See Table Expert AREA Level SOLAR MF MF 4 FUNCTION 23 Connection to section D DHW Connection to sect...

Page 42: ...42 Instructions for the installer CONNECTION BATTERY 2 MODULEX managed by an external regulator E8 RING PRIMARY See manual supplied E8...

Page 43: ...be connected to the automation system of a boiler plant via one of its interfaces eBUS for connection to the series of E8 heating controllers or to an additional BCM Modbus application in PLC controll...

Page 44: ...the system capacity The application of a filter on the return pipe to the boiler is advisable EXAMPLE OF FILLING UP SYSTEM MANIFOLD Filling group with PRV IMPORTANT NOTE Once the system has been fill...

Page 45: ...ressures If necessary correct the value by turning the adjustment screw B in a CLOCKWISE direction to increase the value and in an ANTICLOCKWISE direction in order to decrease it A MAXIMUM OUTPUT ADJU...

Page 46: ...djusting screw In case of gas valve replacement or difficult ignition Tighten the maximum adjustment screw A in a clockwise direction until you arrive to the abutting end than slacken for 9 turns Veri...

Page 47: ...after that the planned parameters are restored MODULEX EXT 100 150 200 250 300 350 Gas Type Supply pressure Injectors Diaphragm Fan Speed CO2 levels Starting power mbar mm mm min max FL FU FU Hz min...

Page 48: ...t Thermostat when it acts it cuts the power supply to the boiler the warning lamp E lights To reset remove the cap and push the reset button Note The switches are positioned under the front panel Note...

Page 49: ...on through the filling hole and check the correct drainage of the condensate If the appliance is used with the condensate drain siphon empty this could cause poiso ning caused by the leakage of the fl...

Page 50: ...it cannot be switched ON acciden tally Switch off the gas gate valve upstream the boiler If necessary and in function of the type of work to be carried out close any on off valves fitted on the CH flo...

Page 51: ...nput can be caused by the obstruction of the evacuation duct or of the air intake Check first of all that this is not the reason If the actual input with the correct CO2 is within 5 of the value shown...

Page 52: ...and left side Remove the red silicone pipes and then the air manifold left right side Wiring Release the plastic bands fixing the harness in the upper part of the boiler do not to cut the plastic ban...

Page 53: ...r open wrengh and remove the fixing plates Screws on thermal elements Remove the screws A fixing the burner covers with a 13 mm socket wrengh Remove the screws gas collector left and right side Remove...

Page 54: ...ightly lift the rear burner assembly and remove the 2 pins with an open wrengh of 4 mm up to reach the holes C Lift the burner assembly front part Insert the small pins in the D holes in order to supp...

Page 55: ...evacuation pipe and the chimney Third phase Reassembly When reassembly proceed in the reverse order taking care to tight the fixing screws of the mixer fan group to the body with a tightening torque...

Page 56: ...es the right to bring those changes that it will hold necessary to it own products or profits without jeopardizing its essential characteristics 46033 casteldario mantova italia tel 39 0376 57001 fax...

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