Unical XC-K oil 230 Technical specifications

ENGLISH
INSTALLATION AND MAINTENANCE INSTRUCTION
69 - 100 - 150 - 230 - 300 - 350 - 400 - 500
650 - 850 - 1000 - 1300 - 1550
XC-K oil

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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 o󰀨ers 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 signicant energy and resource savings.

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Technical features and dimensions Technical Features General information
Maintenance instructions
ENGLISH
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
2.4 Dimensions .........................................................................................................................................................................11
2.5 Operating data ....................................................................................................................................................................14
3 INSTALLATION INSTRUCTIONS..........................................................................................................................................20
3.1 General warnings...............................................................................................................................................................20
3.2 Installation standards .........................................................................................................................................................20
3.3 Handling.............................................................................................................................................................................21
3.4 Positioning in boiler room...................................................................................................................................................21
3.5 Burner ................................................................................................................................................................................21
3.5.1 Choosing the burner ................................................................................................................................................21
3.5.2 IInstalling the burner .................................................................................................................................................22
3.6 Connecting ame sight glass to burner..............................................................................................................................23
3.7 Furnace door adjustment, opening and closing .................................................................................................................23
3.7.1 XC-K oil 100 ÷ XC-K oil 650......................................................................................................................................23
3.7.2 XC-K oil 850 ÷ XC-K oil 1000....................................................................................................................................23
3.7.3 XC-K 1300 oil ÷ XC-K oil 1550..................................................................................................................................24
3.7.4 Important note ..........................................................................................................................................................24
3.8 Connecting ue exhaust pipe.............................................................................................................................................25
3.9 Condensation drainage......................................................................................................................................................25
3.10 Connecting boiler to system ..............................................................................................................................................26
3.11 Filling the system...............................................................................................................................................................26
3.12 Connecting gas .................................................................................................................................................................27
3.13 Packaging..........................................................................................................................................................................27
3.14 Assembling casing.............................................................................................................................................................28
3.15 Electrical connections........................................................................................................................................................32
3.16 MODULATING MASTER panel board code 37892...........................................................................................................33
3.17 Programming heating controllers with single boiler...........................................................................................................33
3.18Hydraulic and electric system connection with panel board code 37892...........................................................................37
3.19 Programming heating controllers with boilers in cascade .................................................................................................39
3.20MODULATING CASCADE panel board code 37900 .........................................................................................................43
3.21Hydraulic and electric system connection with boilers in cascade panel board code 37892 and 37900...........................45
3.22 DUAL-STAGE MASTER panel board code 38778............................................................................................................47
3.23 Programming heating controllers with single boiler...........................................................................................................47
3.24Hydraulic and electric system connection with panel board code 38778...........................................................................51
3.25 Programming heating controllers with boilers in cascade .................................................................................................53
3.26DUAL-STAGE CASCADE panel board code 37901 ..........................................................................................................57
3.27Hydraulic and electric system connection with boilers in cascade panel board code 38778 and 37901...........................59
3.28Commissioning ..................................................................................................................................................................61
3.29Adjusting the burner
4 INSPECTIONS AND MAINTENANCE...................................................................................................................................62
Inspection and maintenance instructions ..................................................................................................................................62
Boiler body maintenance...........................................................................................................................................................63
Maintenance of burner ..............................................................................................................................................................63
Checking ignition electrode .......................................................................................................................................................63
Components to check during yearly inspection.........................................................................................................................63

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GENERAL INFORMATION
1.1 - SYMBOLS USED IN THE MANUAL
Pay special attention when reading this manual to the parts marked by the symbols:
NOTE!
Suggestions for the user
ATTENTION!
Possible hazardous situation
for the product and the environment
DANGER!
Serious danger for
personal safety and life
1.2 - APPROPRIATE USE OF APPLIANCE
The XC-K appliance has been built according to the current level of engineering and acknowledged
technical safety rules.
Nonetheless, if improperly used, dangers could arise for the safety and the very life of the user and other
persons or damage to the equipment or other objects.
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.
Use according to the intended purposes also include careful compliance with the instructions in this manual.
1.3 - WATER TREATMENT (see specific booklet)
• Thehardnessofthefeedwaterconditionsthefrequencyatwhichthedomestichotwaterexchangermustbe
cleaned.
• Ifthewaterhasahardnessgreaterthan15°f,werecommendusingwatersofteners,chosenaccordingtothe
characteristicsofthewater.
• Werecommendcheckingandcleaningthedomestichotwaterexchangerattheendoftherstyearofuseand
everytwoyearsthereafter;onthisoccasion,alsocheckthestateofwearoftheanode.
1.4 - INFORMATION FOR SYSTEM MANAGER
• Theusermustbeinstructedconcerningtheuseandoperationofhisheatingsystem,inparticular:
• Delivertheseinstructionstotheuser,aswellasotherdocumentsconcerningtheapplianceinsertedinthe
 bagcontainedinthepackaging. The user must keep this documentation so that it is available for further
consultation.
• Informtheuserabouttheimportanceoftheairventsandtheuegasexhaustsystem,highlightingtheir
 essentialfeaturesandtheabsoluteprohibitionofmodifyingthem.
• Informtheuserconcerningcontrollingthesystem’swaterpressureaswellasoperationstorestoreit.
• Informtheuserconcerningcorrecttemperaturecontrol,controlunits/thermostatsandradiatorsforsaving
 energy.
• Rememberthatthesystemmustreceiveregularmaintenanceatleastonceayearandacombustion
 analysismustbeperformedinthetimetableforeseenbystandardsinforce.
• Shouldtheappliancebesoldortransferredtoanewownerorifyoumoveandleave
 theappliance,alwaysmakesurethattheinstructionbookletaccompaniesitinordertobeconsulted
 bythenewownerand/orinstaller.
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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.

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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.
Any work must be done by professionally qualified personnel.
We recommend stipulating a maintenance contract.
Insufficient or irregular maintenance can jeopardise the operating safety of the appliance and cause damage
to persons, animals and objects for which the manufacturer cannot be held responsible.
Modifying parts connected to appliance
Donotmodifythefollowingparts:
- theboiler
- thegas,air,waterandelectricitylines
- uegaspipe,safetyvalvesandheatingwaterdrainpipe
- constructionpartswhichaffecttheoperatingsafetyoftheappliance
Attention!
Totightenorloosenthescrewedttings,useonlyappropriatexedspanners.
Incompliantuseand/orinappropriatetoolscancausedamage(e.g.waterorgasleakage).
ATTENTION!
Indications for propane gas-fired appliances
Makesurethatthegastankhasbeendeaeratedbeforeinstallingtheappliance.
Forstate-of-the-artdeaerationofthetank,contacttheLPGsupplierorapersonqualiedincompliancewithlaw.
Ifthetankhasnotbeenprofessionallydeaerated,ignitionproblemscouldarise.
Inthatcase,contactthesupplieroftheLPGtank.
Smell of gas
Shouldasmellofgasbeperceived,followthesesafetyguidelines:
- donotturnelectricswitchesonoroff
- donotsmoke
- donotusethetelephone
- closethegasshut-offvalve
- airouttheareawherethegasleakagehasoccurred
- informthegassupplieroracompanyspecialisedininstallationandmaintenanceofheatingsystems.
Explosive and easily flammable substances
Donotuseorstoreexplosiveoreasilyammablematerials(e.g.petrol,paints,paper)intheroomwheretheap-
plianceisinstalled.