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http://www.unicalag.it/prodotti/professionale-300/commercial-condensazione-inox/1963/xc-k-oil Provisions for proper disposal of the product. At the end of its life cycle the product must not be disposed of as urban waste. It can be taken to a special recycling centre managed 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 inappropriate waste handling and allows the recovery of the materials of which it is made, in order to obtain significant energy and resource savings.
INDICE 1 GENERAL INfORMATION ...............................4 1.1 General warnings...................................4 1.2 Symbols used in the manual..............................4 1.3 Water treatment ..................................4 1.4 Information for system manager ............................5 1.5 Safety warnings ..................................6 1.6 Technical data plate ................................7 1.7 General Info ...................................8 2 TEChNICAL fEATURES AND DIMENSIONS ........................9 2.1 Technical features .................................9 2.2 Main components ..................................9 2.3 Smoke turbolator .................................10...
The appliance is intended to operate in hot air circulation heating systems. Any other use must be considered improper. UNICAL shall not held be liable for any damage resulting from improper use; in this case the user is fully responsible for the risk.
1.5 - SAFETY WARNINGS Attentione! The appliance must be installed, adjusted and maintained by professionally qualified personnel, in compliance with standards and provisions in force. Incorrect installation can cause damage to persons, animals and objects for which the manufacturer cannot be held responsible. DANGER! NEVER attempt performing maintenance or repairs on the boiler on your own initiative.
1.6 - TECHNICAL DATA PLATE The technical data plate is adhesive and is included in the document case; it must be applied by the installer on the outside of the casing. The serial number of the boiler is on the riveted plaque on the front plate of the body (front right bottom side). The CE marking certifies the compliance of the equipment with the essential safety requirements defined in the directives and applicable...
Any repairs must be performed solely by personnel authorised by and maintenance safety. Unical using original spare parts only. Failure to comply with the above can jeopardise the safety of the appliance. Keep the booklet with care for further consultation.
TECHNICAL FEATURES AND DIMENSIONS NOTE! further details in the section ‘‘Technical Information’’ on the boiler 2.1 - TECHNICAL FEATURES page of the www.unicalag.it website R bt R at fig. 1 2.2 - MAIN COMPONENTS N° Description XC-K oil boilers are equipped with a blind cylindrical furnace, Furnace in which the central flame of the burner is reversed peripherally towards the front.When the combustion gases have reached the...
2.3 - SMOKE TURBOLATOR XC-K oil boilers are designed to be used within an output range must not be less than those indicated on page 14 and 15. in order to improve seasonal efficiency and coupling with each Otherwise, first contact our After Sales Service, make sure that heating system.
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DETAIL FOR DOOR DRILLING DETAIL FOR DOOR DRILLING DETAIL FOR DOOR DRILLING XC-K oil 150 XC-K oil 230 ÷ 300 XC-K oil 350 ÷ 400 B lind burner plate 250x250 B lind burner plate 250x250 B lind burner plate 280x280...
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XC-K oil 500 ÷ 1550 T 2 - T 1 - T 4 T 2 - T 3 3° fig. 8 T3 Ritorno riscaldamento alta temperatura T7 Attacco camino 1 Quadro comandi T4 Attacco vaso espansione T8 Scarico condensa 2 Spia controllo fiamma T5 Scarico caldaia T1 Mandata riscaldamento T6 Attacco bruciatore...
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TEChNICAL DATA ACCORDING ErP DIRECTIVE OIL fIRED XC-K oil 69 oil 100 oil 150 oil 230 oil 300 oil 350 oil 400 Element Symbol Unit Effective nominal output Prated Efficienza energetica stagionale del ƞ riscaldamento d’ambiente Season efficiency class to discharge for boilers to heat the room and mixed boilers: useful heat output Useful heat output with...
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OIL fIRED XC-K oil 500 oil 650 oil 850 oil 1000 oil 1300 oil 1550 Element Symbol Unit Effective nominal output Prated Efficienza energetica stagionale del ƞ riscaldamento d’ambiente Season efficiency class to discharge for boilers to heat the room and mixed boilers: useful heat output Useful heat output with high temperature capacity (Tr 60 °C / Tm 80 °C)
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GAS fIRED XC-K oil 69 oil 100 oil 150 oil 230 oil 300 oil 350 oil 400 Element Symbol Unit Effective nominal output Prated Efficienza energetica stagionale del ƞ riscaldamento d’ambiente Season efficiency class to discharge for boilers to heat the room and mixed boilers: useful heat output Useful heat output with high temperature capacity (Tr 60 °C / Tm 80 °C)
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GAS fIRED XC-K oil 500 oil 650 oil 850 oil 1000 oil 1300 oil 1550 Element Symbol Unit Effective nominal output Prated Efficienza energetica stagionale del ƞ riscaldamento d’ambiente Season efficiency class to discharge for boilers to heat the room and mixed boilers: useful heat output Useful heat output with high temperature capacity (Tr 60 °C / Tm 80 °C)
INSTALLATION INSTRUCTIONS standards and regulations in force. Only 3.1 - GENERAL WARNINGS after this check can the fitting between the boiler and chimney be mounted; ATTENTION! This boiler is intended solely for the use for which it was expressly designed. Any other use is to be considered improper and there- ATTENTION! fore dangerous.
3.3 - HANDLING The boiler can be handled easily, lifting it by means the smoke chamber can be removed to make it easier to enter of upper hooks or shifting it on rollers underneath the boiler room. the sturdy base longerons. If necessary for clearance purposes, the door and 3.4 - POSITIONING IN BOILER ROOM...
3.7 - FURNACE DOOR: ADJUSTMENT, OPENING AND CLOSING 3.7.1 - “XC-K oil 100 ÷ 650” BOILERS For all these models, the door is hinged and fixed according to the layout in fig. 14. In these cases, the door is mounted with four equal hinges: the two on the left side are normally used as rotation hinges (from right to left), while the two on the right side are used as...
3.7.3 - “XC-K oil 1300 ÷ XC-K 1550” BOILER For all these models, the door is hinged and fixed according to the layout in fig. 16. In these cases, the two hinges on the left are normally used as rotation hinges (from right to left), while the two on the right side are used as closing hinges.
3.8 - CONNECTING FLUE EXHAUST PIPE To connect the flue gas exhaust pipe, local and national Use only exhaust pipes suitable for the type standards must be respected. of fuel used. The XC-K boiler can be attached to the chimney in different The supplier will have no contractual or ex- ways;...
Unical will not be held liable for damage to make sure that all the connections are watertight. persons, animals or objects due to failure to after commissioning the boiler and bringing the system to comply with the instruction above.
ATTENTION! The water pressure in the heating system must not be drop below 1 bar; open the filling tap when After removing the protective screw, a small pressure is too low. amount of water could leak out. This operation must be performed with the system Dry off all wet surfaces before powering the boiler.
The panel and accessories are inside the combustion chamber. Unical will not be held liable for damage to Before starting installation, make sure that the length and width persons, animals or objects due to failure to of the boiler body received correspond respectively to the comply with the instruction above.
3.14 - ASSEMBLING CASING XC-K oil 100 fig. 18 7 12 Assembly sequence (Ref. fig. 18, 21) A) Mount the insulation jackets (pos. 1 and 2) of the boiler Fit the panel board to the upper panel (pos. 9). body and secure the 2 edges with the elastic straps Fit the upper panel (pos.
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XC-K oil 150 ÷ XC-K oil 850 fig. 19 Assembly sequence (Ref. fig. 19, 21) G) Insert into the conduits the bulbs of the instruments as A) Mount the insulation jackets (pos. 1 and 2) of the boiler body indicated in fig. 21 and, depending on the panel board and secure the 2 edges with the elastic straps (pos.
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XC-K oil 1000 ÷ XC-K oil 1550 fig. 20 Assembly sequence (Ref. fig. 20, 21) indicated in fig. 21 and, depending on the panel board A) Mount the insulation jackets (pos. 1 and 2) of the boiler body installed on the boiler, the probes as illustrated in the and secure the 2 edges with the elastic straps (pos.
1 Thermometer probe (where included) 2 Working thermostat probe 3 Contact spring 4 Safety spring fig. 21 5 Safety thermostat probe 3.15 - ELECTRICAL CONNECTIONS 230V electric power supply connection General warnings The electrical connections are illustrated in chapters 3.16, 3.17, 3.18, 3.19 and 3.21 for modulating burners and chapters 3.22, 3.23, 3.24, 3.25 and 3.27 for dual-stage burners.
3.16 - MODULATING MASTER PANEL BOARD code 37892 The main switch 14 powers the board and the equipment connected to it. The switches 18 and 19 control the burner and P1 pump if the boiler operates in cascade. The switches 20 and 21 control the Z1 pump (direct) and Z2 pump (mixed).
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PARAMETERS PROGRAMMABLE BY TECHNICIAN AND PROTECTED BY ACCESS CODE FOR HEATING CONTROLLER type E8.5064 INSTALLATION Value range Individual values Description Default CODE NUMBER 0000 - 9999 ENTRY CODE NUMBER (adjustment) 0000 - 9999 0000 BOILER BUS ID .., 01 - 08 ---- (00), 01 - 015 BUS ID 1...
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Description Value range Default Individual values SEQUENCE MODE 01 - 06 SEQUENCE CHANGE 10 - 800 HOURS 200 HOURS CYCLE BLOCK 00 min - 30 min 00 min HYSTERESIS BURNER 2 2K - 20K BOILER COOLING FUNCTION 00 - 01 BOILER COOLING TEMPERATURE 30°C - 120°C HS 1 TYPE...
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HEATING CIRCUIT 2 Description Value range Default Individual values HEATING CIRCUIT FUNCTION 00 - 04 PUMP MODE 00 - 03 MIXER OPEN 5 - 25 ---- MIXER CLOSED 5 - 25 ---- MAX FLOW TEMPERATURE 20 °C - 110 °C 45 °C MIN FLOW TEMPERATURE 10 °C - 110 °C...
3.18 - HYDRAULIC AND ELECTRIC SYSTEM CONNECTION WITH PANEL BOARD code 37892 Fig. 24 shows the typical layout of the connection of the boiler to the heating system consisting in 1 direct high temperature zone + 1 low temperature zone controlled by a motorised mixer valve + domestic hot water production. EXTERNAL PROBE (AF) CONTROL PANEL...
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The panel board of the XC-K boiler automatically switches the valve. The room temperature is controlled by the burner off when the temperature in the boiler reaches the value programming curves set in the heating controller; set on the heating controller. - DHW production through storage tank;...
3.19 - PROGRAMMING HEATING CONTROLLERS WITH BOILERS IN CASCADE For that which concerns adjustment and programming of the modified”. heating modules, see the instruction booklets attached to the As far as parameters which can be programmed by the user individual heating controller. according to his requirements, see the system manager The following are the default parameters which “cannot be instruction book.
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Description Value range Default Individual values BOILER DYNAMICS DOWNWARD 20 - 500K RESET TIME 5 - 500 MODULATION MAX 0% - 100% MODULATION MIN 0% - 100% MIN MODULATION HS 0% - 100% MODULATION DHW 40% - 100% BOILER SEQUENCE 1 ---- 12345678 BOILER SEQUENCE 2...
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Description Value range Default Individual values MAX FLOW TEMPERATURE 20 °C - 110 °C 80 °C MIN FLOW TEMPERATURE 10 °C - 110 °C 30 °C FROST PROTECTION TEMP 0 °C (-15)°C - (5)°C OUTSIDE TEMP DELAY 0:00 - 24:00 0.00 HEATING SLOPE DISTANCE 00K - 50K...
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PARAMETERS PROGRAMMABLE BY TECHNICIAN FOR HEATING CONTROLLER Lago Basic 0201 RV 1 ON BOILER N°1 °C °C °C °C BUS ID 1/2/11/Mod >1s fig. 25 1 1) Switch selector to burner (1) Press OK (2) Turn the knob (3) until mm appears on the display Press OK (2) 2 1) Switch the selector (1) to the symbol of the mixer valve...
3.20 - MODULATING CASCADE PANEL BOARD code 37900 The main switch 11 powers the board and the equipment connected to it. The switches 12 and 13 control the burner and P1 pump if the boiler operates in cascade. The working temperature of the boiler n°2 is regulated by the heating controller: to achieve this, the thermostat must be placed at maximum full-scale pos.
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PARAMETERS PROGRAMMABLE BY TECHNICIAN FOR HEATING CONTROLLER Lago Basic 0201 RV 1 ON BOILER N°2 °C °C °C °C BUS ID 1/2/11/Mod >1s fig. 27 1 1) Switch selector to burner (1) Press OK (2) Turn the knob (3) until mm appears on the display Press OK (2) 2 1) Switch the selector (1) to the symbol of the mixer valve...
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The panel boards of the XC-K boilers (in cascade) automatically system pump. The room temperature is controlled by switch the burners off when the temperature in the boiler reaches the programming curves set in the heating controller; the value set on the heating controller. - one zone system with motorised mixer valve: the flow They also manage the pump to fill a storage tank for DHW probe (downstream the mixer valve) must be fitted;...
3.22 - DUAL-STAGE MASTER PANEL BOARD code 38778 The main switch 14 powers the board and the equipment connected to it. The switches 18 and 19 control the burner and P1 pump if the boiler operates in cascade. The switches 20 and 21 control the Z1 pump (direct) and Z2 pump (mixed).
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PARAMETERS PROGRAMMABLE BY TECHNICIAN AND PROTECTED BY ACCESS CODE FOR HEATING CONTROLLER type E8.5064 INSTALLATION Description Value range Default Individual values CODE NUMBER ENTRY 0000 - 9999 CODE NUMBER (adjustment) 0000 - 9999 0000 BOILER BUS ID .., 01 - 08 ---- (00), 01 - 015 BUS ID 1...
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Description Value range Default Individual values SEQUENCE MODE 01 - 06 SEQUENCE CHANGE 10 - 800 HOURS 200 HOURS CYCLE BLOCK 00 min - 30 min 00 min HYSTERESIS BURNER 2 2K - 20K BOILER COOLING FUNCTION 00 - 01 BOILER COOLING TEMPERATURE 30°C - 120°C HS 1 TYPE...
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HEATING CIRCUIT 2 Description Value range Default Individual values HEATING CIRCUIT FUNCTION 00 - 04 PUMP MODE 00 - 03 MIXER OPEN 5 - 25 ---- MIXER CLOSED 5 - 25 ---- MAX FLOW TEMPERATURE 20 °C - 110 °C 45 °C MIN FLOW TEMPERATURE 10 °C - 110 °C...
3.24 - HYDRAULIC AND ELECTRIC SYSTEM CONNECTION WITH PANEL BOARD code 38778 Fig. 31 shows the typical layout of the connection of the boiler to the heating system consisting in 1 direct high temperature zone + 1 low temperature zone controlled by a motorised mixer valve + domestic hot water production. code 38778 °C...
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The panel board of the XC-K boiler automatically switches the - anti-legionella function with increase of water burner off when the temperature in the boiler reaches the value temperature in storage tank (function not enabled in set on the heating controller. factory, but can be enabled by customer) It also manages the pump to fill a storage tank for DHW production.
3.25 - PROGRAMMING HEATING CONTROLLERS WITH BOILER IN CASCADE For that which concerns adjustment and programming of the modified”. heating modules, see the instruction booklets attached to the As far as parameters which can be programmed by the user individual heating controller. according to his requirements, see the system manager The following are the default parameters which “cannot be instruction book.
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Description Value range Default Individual values BOILER DYNAMICS DOWNWARD 20 - 500K RESET TIME 5 - 500 MODULATION MAX 0% - 100% MODULATION MIN 0% - 100% MIN MODULATION HS 0% - 100% MODULATION DHW 40% - 100% BOILER SEQUENCE 1 ---- 12345678 BOILER SEQUENCE 2...
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Description Value range Default Individual values MAX FLOW TEMPERATURE 20 °C - 110 °C 80 °C MIN FLOW TEMPERATURE 10 °C - 110 °C 30 °C FROST PROTECTION TEMP 0 °C (-15)°C - (5)°C OUTSIDE TEMP DELAY 0:00 - 24:00 0.00 HEATING SLOPE DISTANCE 00K - 50K...
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PARAMETERS PROGRAMMABLE BY TECHNICIAN FOR HEATING CONTROLLER Lago Basic 0201 RV 1 ON BOILER N°1 °C °C °C °C BUS ID 1/2/11/Mod >1s fig. 32 1 1) Switch selector to burner (1) Press OK (2) Turn the knob (3) until mm appears on the display Press OK (2) 2 1) Switch the selector (1) to the symbol of the mixer valve...
3.25 - DUAL-STAGE CASCADE PANEL BOARD code 37901 The main switch 11 powers the board and the equipment connected to it. The switches 12 and 13 control the burner and P1 pump if the boiler operates in cascade. The working temperature of the boiler n°2 is regulated by the heating controller: to achieve this, the thermostat must be placed at maximum full-scale pos.
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PARAMETERS PROGRAMMABLE BY TECHNICIAN FOR HEATING CONTROLLER Lago Basic 0201 RV 1 ON BOILER N°2 °C °C °C °C BUS ID 1/2/11/Mod >1s fig. 34 1 1) Switch selector to burner (1) Press OK (2) Turn the knob (3) until 2 appears on the display (dual-stage burner) Press OK (2) 2 1) Switch the selector (1) to the symbol of the mixer valve...
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The panel boards of the XC-K boilers (in cascade) automatically probe (downstream the mixer valve) must be fitted; the switch the burners off when the temperature in the boiler reaches control unit commands the system pump and the mixer the value set on the heating controller. valve.
To switch the boiler on and off, see the “SYSTEM MANAGER professionally qualified personnel. OPERATING INSTRUCTIONS”. Unical will not be held liable for damage to persons, animals or objects due to failure to Information for system manager comply with the instruction above.
Boiler body maintenance Checking gasket status Check the status of the seal gaskets which must Danger! not show signs of deterioration; if so, they must Before performing any maintenance, make be replaced, using only original spare parts. sure the boiler and its components have cooled off.
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S.p.A. info@unical-ag.com - export@unical-ag.com - www.unical.eu Unical shall not be held liable for any inaccuracies 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.
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