Related Manuals for Unical modulex 630
Summary of Contents for Unical modulex 630
- Page 1 MODULEX 360 - 450 540 - 630 MODULAR CONDENSING BOILER Uniservice Kft. 1106 Budapest, Maglódi út 16. tel.: (06-1) 433 2612 fax: (06-1) 431 8349 INSTALLATION, USE AND MAINTENANCE 00332210 - 2 edition - 09/05...
- Page 2 Damage and/or injury caused by incorrect installation or use and/or damage and/or injury due to non-observance of the manufacturer’s instructions shall relieve UNICAL from any and all contractual and extracontractual liability. Before installing the boiler, check that the technical data corresponds to requirements for its correct use in the system.
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Page 3: Data Plate
DATA PLATE ® IT ES IE II 2H3+ 20 ; 28-30/37 mbar PT GR II 2H3+ 20 ; 28-30/37 mbar TR HR II 2H3B/P 20 ; 50 mbar CZ SK II 2H3P 18 ; 50 mbar II 2HS 3B/P 25 ; 30 mbar mbar 20 - 25 II 2E3P... -
Page 4: Table Of Contents
TECHNICAL FEATURES AND DIMENSIONS ............pag. Technical Features ..............pag. Dimensions ................pag. Technical Data and Main Components ........pag. Side View ................. pag. INSTRUCTIONS FOR INSTALLERS ....pag. Instructions for installation ............pag. Installation ................pag. 2.2.1 Packing ............... pag. 2.2.2 Boiler Location inside a Heat Power Plant .... - Page 5 3.2.8 “Parameter” Mode ........... pag. 3.2.8.1 Installer and User programmable Operation Parameters ..........pag. 3.2.8.2 Installer programmable Operation Parameters by previously entering the service code ........pag. 3.2.9 “Data” Mode ............pag. 3.2.9.1 Installer and User programmable parameters ..........pag. 3.2.9.2 Installer programmable parameters by previously entering the service code ..........
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Page 6: Technical Features
GENERAL DESCRIPTION 1.1 - TECHNICAL / perature. cal temperature control and safety Adjustments: flow temperature, fan FEATURES thermostat, can deliver an output speed, max/min. output percentage. between a maximum of 90 kW and a Access to all testing/programming minimum of 22 kW. parameters of each module: operation MODULEX is a compact, gas fired, test, operation time, boiler anti-frost... -
Page 7: Dimensions
1.2 - DIMENSION MODULEX 360 L.H. SIDE VIEW FRONT VIEW ® ATTENTION CHIMNEY CONNECTION INDIFFERENT POSITION FROM THE ONE SHOWN ARE NOT ALLOWED. REAR VIEW UPPER VIEW Øi D fig. 1-a MODULEX Dimension No. of Modules 1372 Height Width ''L'' net... - Page 8 MODULEX 450 - 540 - 630 R.H. SIDE VIEW FRONT VIEW (D) 1520 (E) 425 ® ATTENTION CHIMNEY CONNECTION REAR VIEW INDIFFERENT POSITION FROM THE ONE SHOWN ARE NOT ALLOWED. UPPER VIEW Øi D fig. 1-b MODULEX Dimension 1372 No. of Modules 1372 1372 Height...
- Page 9 1.3 - TECHNICAL DATA The Technical data plate is placed under the front jacket next to the control panel. BOILER TYPE MODULEX Nominal Heat Input on P.C.I Qmin Minimum Heat Input on P.C.I Nominal Output (Tr 60 / Tm 80 °C) 353,9 442,5 531,8...
- Page 10 1.4 - SIDE VIEW WITH MAIN COMPONENTS GAS VALVE GAS PIPE BURNER C.H. FLOW ALUMINIUM/ SILICON HEAT EXCHANGER C.H. RETURN CONDENSATE COLLECTING TRAY- SMOKE MANIFOLD CONDENSATE DRAIN SIPHON BOILER FRAME FILLING-UP ELBOW Min. Depth 100 mm fig. 2 2.1 - COMPOSITION OF THE temperature ket: SUPPLY...
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Page 11: Instructions For Installers
Ø 40 mm for condensate drain. DIMENSIONS For the pallet removal is necessary to lift • the screws necessary for fixing modulex 360 1650 1200 1020 the boiler: it’s necessary to use a jib cra- - A plate for the jacket closing, only for... - Page 12 BOILER UNLOADING AND PACKAGE REMOVAL PALLET REMOVAL fig. 4...
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Page 13: Boiler Connection
2.2.3 - BOILER CONNECTION The boiler Modulex leaves the factory pre- of the boiler for MODULEX 360; it's pla- screws and gaskets included into the in- disposed for the hydraulic and gas con- ced on the R.H. side of the boiler for MO- struction bag, and a cross screwdriver at nection on the back side of the boiler. -
Page 14: Notes On Condensate Drain
2.2.5 NOTES ON CONDENSATE DRAIN boiler is operating, which can cause the Avoid the condensate stagnation inside chines, etc., which normally have a stop of the boiler, the whole condensate the combustion products evacuation basic pH. The connection to the sewer evacuation system has to be well insu- system, (for this reason the evacuation will be through a visible drain. - Page 15 2.3 - EXAMPLES OF The following system figures are to illus- systems. HEATING SYSTEMS trate some, but not all types of heating ® Mixing bottle Heating system pump Heating circuit Flow See fig. 16 11 12 13 Return Filter Boiler pump Fig.
- Page 16 Heating Circuit Heating system pump ® Mixing bottle D.H.W. Circuit Flow See fig. 16 11 12 13 Return Filter Boiler pump No return valve Fig. 6.4 D.H.W. storage tank with loading pump installed on the secondary circuit, in parallel with the heating circuit. Note: The Pr pump (heating pump) shall be off while the storage tank pump is running.
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Page 17: Max Allowable Working Pressure
Due to the presence of a min. gas pres- UNICAL suggests one further filter easy sure switch, the gas main diameter shall to be checked, to be installed on the be calculated carefully. Even though the 2.3.6 - HYDRAULIC COMPENSATOR... -
Page 18: Filter
2.3.7 - FILTER from the heating system dirt. Its regular UNICAL suggests the installation of a Y filter with two gate valves on the return cleaning has to be foreseen. pipe so that it can be cleaned if neces- sary. Such filter shall protect the boiler 2.3.8 - BALL VALVES... -
Page 19: Boiler Operation
2.3.11 - MINIMUM WATER FLOW RATE kW output A minimum water flow rate, as shown in 30,96 38,70 46,44 54,18 the table on the right, is to be guaranteed through the boiler at any time. 20,64 25,80 30,96 36,12 RICIRCULATION PUMP The recirculation pump shall have a 15,48 19,35... -
Page 20: General Description
When the output has been determined, the 360 kW = 400%. Modulation, i.e. output reduction, is based boiler pump (not supplied by Unical) is set If it is requested to operate at 200% out- on the difference between the set temper-... -
Page 21: Ignition Sequence
Fig. 9 Ignition diagram, for Modulex 630, with 7 burners. (6 are working, 1 is during ignition procedure). 2.4.2 IGNITION SEQUENCE IGNITION SEQUENCE DIAGRAM 5 seconds after the switch ON-OFF is ON, the pump is set up together, even- tually, with the 3-way valve in the case of a heat request from the Room Ther- mostat. -
Page 22: Supplementary Board
The supplementary boards have two The Modular Boiler Drive (MBD) in fig. X3 = 230 V electrical supply from mains 9, supplied for each boiler by Unical, small dip-switches, which shall be po- X7 = to MDB by flat cable... -
Page 23: Domestic Hot Water (Dhw) Mode Operation
D.H.W If we combine a 90 kW storage tank to a Modulex 360, setting the dip-switch 1 to tank and to receive a 0 - 10V signal from “OFF “ and the dip-switch 2 to “OFF”, so an outer compensator (se fig. -
Page 24: Electric Connections
The boiler electrical supply (230 V – 50 UNICAL is not liable for any damage Hz – single phase) is to be done direct- caused by unproper earthing system. ly on the three pole plug A (fig. 12) sup- The gas and water feeding pipes and plied with the boiler. -
Page 25: Wiring Diagram
2.6.1 - WIRING DIAGRAM BROWN Fig. 14... - Page 26 2.6.2 - WIRING CONNECTIONS OF THE IGNITION ELECTRONIC CARD Connections detail to the ignition electronic card for each modul. E. ACC.Ignition electrode E. RIV Ionisation electrode Rest button (on main board) Lockout warning light (on main board) High limit thermostat (local) Fan air pressure switch...
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Page 27: Dhw Storage Tank
2.6.4 - DHW STORAGE TANK ELECTRICAL CONNECTION OF THE THREE WAY VALVE DHW production by an outer storage tank connected to the boiler can be car- 16 17 18 16 17 18 ried out by an electric diverting valve or 3-WAY VALVE CONNECTION 3-WAY VALVE CONNECTION DHW tank... -
Page 28: Operation
OPERATION OF THE MAIN PCB, NAMED MBD (MODULAR BOILER DRIVE) 3.1 - GENERAL DESCRIPTION The Standby mode is on 5 sec. after performed every 24h (automatic anti-jam- storage tank loading pump, such a pump starting or resetting the boiler. Subse- ming system for boiler pump or re-circu- is set up for 1 min every 24h if no heat is quently the pump is set up for 1 min. -
Page 29: Mode" Key
3.2.1 - “MODE” KEY By slightly pressing the mode key again, The default set mode of the boiler is After entering the access code, strictly the 4-digit display will show stand-by mode. By this mode, the 4- reserved to the installer and the service In this mode it is possible to check, only digit (letters or figures) display shows technicians, it is possible to go into the... -
Page 30: Programming Access Procedure
3.2.6 - PROGRAMMING ACCESS PROCEDURE +/- : it selects: It displays when it increases - parameters in DATA mode. Reset or decreases chooses - data (all/single) It stores when the boiler the displayed the mode - test (all/single) in PARA mode. value It shows the number of step (from 0 to 9 –... -
Page 31: Parameters
3.2.6 - Continuous +/- : it selects: It displays when it increases - parameters in DATA mode. Reset or decreases chooses - data (all/single) It stores when the boiler the displayed the mode - test (all/single) in PARA mode. value are flashing alternately. - Page 32 3.2.7 - STAND-BY MODE the water flow temperature. Should the element starting steps are displayed in- first digit be 4, the last two digits would stead of the flow temperature. The first digit indicates the number of indicate the loading temperature of the The following table is a list of all the the step in which the boiler is;...
- Page 33 5 to 14 K Type of burner control and number of thermal elements digit of the parameter 3x = Unical standard regulation digit of the parameter x1-x7 = No. of boiler burners (*) Should the outer sensor (terminals 3-4) and the ON-OFF room thermostat or a timer (terminals 5-6) be connected, on opening the thermostat or the timer (terminals 5-6) with parameter A in 0x, the boiler will be switched off;...
- Page 34 tents concerning the whole boiler. When the operation state of the boiler and of 3.2.9 - DATA MODE entering the service code, all other data each thermal element. By using the step (from 1 to 7 burners) are also program- key it is possible to scroll all values.
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Page 35: Test Mode
Test mode is accessible only after store , it is possible to store the choice 3.2.10 - TEST MODE entering the service code. and make it operative. The following table is a general list of all test modes. Test mode can be used for service pur- The burner No. -
Page 36: Heating Mode Operation
A the value 0 (e.g. A-0x) it means that To this purpose Unical offers an inter- gone under the pre-set value (Param- the request for more heat is driven by a... -
Page 37: Dhw Mode Operation
Flow temperature increase : the boiler water modulated The storage tank NTC sensor, availa- temperature is equal to parameter 1 + parameter b. ble at UNICAL’s, is connected to termi- Parameter J: Storage tank loading pump post-circulation (max. 270 sec) nals 7-8 (fig. - Page 38 3.5 - BUNER PRESSURE ADJUSTMENT Smoke sampling point Unscrew the sampling point cap. Insert the analyser sensor into the sam- pling point and adjust the burner to test to low flame operation (test mode). Read the percentage of CO , which must be between 8,9 and 9,2%.
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Page 39: Errors
replace the 2 AF fuse. Moreover check if The boiler does not fulfil the heat request ERRORS the display flat cable is properly connect- for the heating system: check if all elec- ed to the MBD (the main PCB) and the trical connections of the room ther- display. -
Page 40: Error Codes
4.5 - ERROR CODES listed in the table 4.5.1 here below, the ALARM means that the alarm signal is minals 14-15 (tension free contacts). alarm signal can be coupled with them. When the display shows the error codes on if a signal relay is connected to ter- 4.5.1 - ERROR CODES BY ALARM Error code Description... -
Page 41: Error Codes Related To Gas Pressure, Mbd, Am-4 And Am-5
Error code Description Alarm L1 2 Local Flow Temperature of Component 1 > 98°C L2 2 Temperatura locale di mandata dell’elemento 2 > 98°C L3 2 Temperatura locale di mandata dell’elemento 3 > 98°C L4 2 Temperatura locale di mandata dell’elemento 4 > 98°C L5 2 Temperatura locale di mandata dell’elemento 5 >... -
Page 42: Maintenance
Modulex 450-540-630 the opening will be done on the opposite side. • Remove all the mixer inner fixing screws “F” with 14 mm pipe tool. • Remove the cover in order to access to the electric section Only for Modulex 360, remove the... - Page 43 • Set the support bar “L” in the provi- phase – Cleaning phase ded for position on frame support “M”, • Blow into the burners compressed air baffle removal locking it with the spring “H” from flame side (metallic spounge) to •...
- Page 44 (06-1) 431 8349 S.P.A. The Unical declines every responsibility for the possible inaccuracies if owed to errors of tran- script 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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