Related Manuals for Unical XC-K3 Series
Summary of Contents for Unical XC-K3 Series
- Page 1 XC-K3 1000 1250 1500 1750 2000 2500 3000 INSTALLATION AND MAINTENANCE INSTRUCTIONS...
- Page 2 https://www.unicalag.it/prodotti/professionale-300/commercial-condensazione-inox/341/xc-k 3 Provisions for proper disposal of the product After decommissioning, this appliance must not be disposed of as mixed urban waste. Separate waste collection is mandatory for this type of waste, in order to allow the recovery and reuse of the materials making up the appliance.
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Page 3: Table Of Contents
Attention: this manual contains instructions for the exclusive use of the professionally qualified installer and/or maintenance technician in compliance with current legislation. The user is NOT qualified to intervene on the boiler. The manufacturer will not be held liable in case of damage to persons, animals or objects resulting from failure to comply with the instructions contained in the manuals supplied with the boiler. -
Page 4: General Information
Any other use must be considered improper. For any damage resulting from improper use, UNICAL AG S.p.A. assumes no responsibility. Use according to the intended purposes also includes strict compliance with the instructions in this manual. 1.4 - INFORMATION FOR THE SYSTEM MANAGER The user must be instructed concerning the use and operation of his heating system, in particular: •... -
Page 5: Safety Warnings
1.5 - SAFETY WARNINGS ATTENTION! The appliance must not be used by children. The appliance may be used by adults and only after carefully reading the operating instructions manual for the user. Children must be supervised so they do not play or tamper with the appliance. ATTENTION! The appliance must be installed, adjusted and maintained by professionally qualified personnel, in com- pliance with the standards and provisions in force. -
Page 6: Technical Data Plate
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... -
Page 7: General Warnings
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. -
Page 8: Technical Features And Dimensions
TECHNICAL FEATURES AND DIMENSIONS NOTE! 2.1 - TECHNICAL FEATURES Further details in the section ‘‘Technical Information’’ on the boiler page of the www.unicalag.it website Rbt T2 Rat T3 M T1 Seleziona la Funzione Servizi di Riscaldamento Selez. Esci smoking section tubes N°... -
Page 10: Dimensions
2.3 - DIMENSIONS XC-K3 1000 FRONT VIEW BACK VIEW 18:28 giov 30 °C °C °C effettiva richiesta sanitaria 10/10 generatore modulazione status INFO MENU UPPER VIEW Rat T3 Rbt T2 M T1 dImENSIONS [mm] Chimney XC-K depth Width Height Furnace -nection Ø... - Page 11 SIDE VIEW SECTION Rat T3 Rbt T2 M T1 SIDE VIEW WITH CASING CONNECTIONS Weight XC-K T1 (m) T2 (r) T3 (r) T5 (Sc) T7 (S) T8 (Scond) PN16 inch [mm] [mm] [mm] inch 1000 dN 125 dN 125 dN 125 dN 65 G 1’’...
- Page 12 XC-K3 1250 - 3000 FRONT VIEW BACK VIEW (*) In models: XC-K 3 2500 and 3000 the rear casing is not provided see chap. 3:11 UPPER VIEW Rat T3 Rbt T2 M T1 dImENSIONS [mm] Chimney XC-K depth Width Height con- Furnace nection...
- Page 13 SIDE VIEW SECTION Rat T3 M T1 Rbt T2 SIDE VIEW WITH CASING Seleziona la Funzione Servizi di Riscaldamento Selez. Esci CONNECTIONS Weight XC-K T1 (m) T2 (r) T3 (r) T5 (Sc) T6 (Ø p) T7 (S) T8 (Scond) PN16 inch [mm] [mm]...
- Page 14 2.4 - OperaTing daTa Model: XC-K 3 1000 1250 1500 1750 2000 2500 3000 Nominal heat output (80-60°C) (80-60°C) [kW] 1136 1376 1606 1835 2294 2753 Nominal heat output (80-60°C) (50-30°C) [kW] 1000 1238 1500 1750 2000 2500 3000 Nominal Heat input [kW] 1157 1402...
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Page 15: Installation Instructions
INSTALLATION INSTRUCTIONS 3.1 - GENERAL WARNINGS several utilities according to specific standards and regulations in force. Only after this check can the fitting between ATTENTION! the boiler and chimney be mounted; This boiler is intended solely for the use for which it was expressly designed. -
Page 16: Operating Data
Keep the packaging material (plastic bags, etc.) out of the reach of children as they are potential sources of danger. unical will not be held liable for damage to persons, animals or objects due to failure to comply with the above instruction. -
Page 17: Positioning In Boiler Room
3.4 - POSITIONING IN BOILER ROOM The boiler must be installed in compliance with standards and Comply with the minimum overall dimension prescriptions in force. distances in order to execute normal The room must be well ventilated by openings with a total surface maintenance and cleaning operations. -
Page 18: Burner
3.5 - BUrner Flames which are too short cause overheating in the front of The burners operating with the XC-K3 boilers must have the EC the furnace and combustion products, not sufficiently cooled, certification comply with the local and / or national regulations entering the smoke pipes at too high temperatures can seriously in force published in the official journal. -
Page 19: Connecting Flame Sight Glass To Burner
3.5.3 - cOnnecTing FlaMe sighT glass TO BUrner The flame sight glass is provided with a 1/8” threaded connection (pos. 1) upon which a 9 mm pressure test nipple is mounted. It can be used with a silicon tube to measure the backpressure in the combustion chamber. -
Page 20: Connecting Flue Exhaust Pipe
Incorrect in- and cause noise during operation. stallation can cause damage to persons, animals Unical will not be held liable for damage to and objects for which the manufacturer cannot be persons, animals or objects due to failure to held responsible. -
Page 21: Condensation Drainage
3.9 - cOndensaTe discharge Danger! Condensation drain Before commissioning the appliance: The boiler, during the combustion process, produces conden- - check that the trap is assembled sation that, through pipe “A”, flows into the trap. of the siphon (H) The condensation that forms inside the boiler flows into a suitable - fill the trap and check that drain via pipe “B”. -
Page 22: Filling The System
3.10 - Filling and eMpTYing The sYsTeM When all system connections have been com- pleted, the circuit can be filled. To fill the system, you must provide a filling valve on the system's return. eXaMple OF The sYsTeM's lOading UniT uNIT OF LOAdING... -
Page 23: Assembling Casing
3.11 - asseMBling casing note: for XC-K 3 1000 Items in pos. 5 and 8 are not supplied for XC-K 3 2500 and XC-K 3 3000 Items in pos. 3 - 11 - 12 - 13 - 14 are not supplied and side casing are 4. -
Page 24: Probe Connection
3.11.1 - PROBE CONNECTION N° description Contact spring Safety spring Thermometer probe (where included) Safety thermostat probe Working thermostat probe... -
Page 25: Electrical Connectionsi
3.12 - elecTrical cOnnecTiOns General warnings 230V electric power supply connection The electrical safety of the appliance is guaranteed only when Boiler installation requires connection to a 230 V - 50 Hz electric it has been properly connected to an efficient earthing system mains: this connection must performed up to standard as carried out as intended by safety standards in force: pipes of intended by current IEC regulations. -
Page 26: Modulating Master (Dual Stage Master) Panel Board
3.13 - panel BOard MOdUlaTing MasTer cod. 37892 (MasTer dUal-sTage cod. 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). -
Page 27: Programming Heating Controllers With Single Boiler
3.13.1- PROGRAMMING riportano i parametri programmati in fabbrica e pertanto “non HEATING CONTROLLERS modificabili”. WITH SINGLE BOILER Per quanto riguarda i parametri programmabili dall’utente in Per la regolazione / programmazione dei termoregolatori, si veda base alle proprie esigenze, si rimanda al libretto istruzioni per libretto istruzioni allegato ai singoli termoregolatori. - Page 28 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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Page 29: Programming Parameters Lago Basic
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... -
Page 30: Hydraulic And Electric System Connection With Panel Board
3.13.3 - HYDRAULIC AND ELECTRIC SYSTEM CONNECTION WITH PANEL BOARD Figure 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. IMPORTANT NOTE: when there is only one zone (high or low temperature) always insert the system return pipe in the lower rear connection. -
Page 31: Programmazione Dei Termoregolatori Con Caldaie In Cascata
The panel board of the XC-K boiler automatically switches the The panel is set up to manage the modulating burners. burner off when the temperature in the boiler reaches the value With this system configuration, the heat controller is capable set on the heating controller. -
Page 32: Modulating Cascade (Dual Stage Cascade) Panel Board
3.14 - panel BOard MOdUlaTing cascade cod. 37900 (dUal-sTage cascade cod. 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. - Page 34 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.
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Page 35: Commissioning
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. -
Page 36: Adjusting The Burner
To assure long-term functioning of your appliance OBBLIGO! and to avoid altering its approved status, only indossare guanti protettivi original unical spare parts must be used. Before proceeding with maintenance, always perform the following operations: Inspections and maintenance performed •... -
Page 37: Boiler Body Maintenance
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. - Page 40 - 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 / documentation as deemed necessary or useful, without affecting their essential features.
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