Unical PK 300 X 2S Bedienerhandbuch

PK 150 X 2SPK 230 X 2SPK 300 X 2SPK 348 X 2S00334158 - 1st edition - 05/2012INSTALLATIONAND SERVICINGINSTRUCTIONS

10Technical features and dimensionsPK348X 2S32470317,768,534876,198,097,8107,4108,7109498,2096,8198,098,50,60,1305011,4529,525,539,19,183,841,520,1136

11Instructions for the installer3INSTRUCTIONS FORTHE INSTALLER3.1 - GENERAL WARNINGSAThis boiler has to be destined for the use forwhich it has been e

12Instructions for the installer3.2 - STANDARD CODES FORINSTALLATIONThis appliance must be installed in compliance to the manu-facturer's instru

13Instructions for the installer3.3 - PACKAGINGThe PKX boilers are delivered fully complete with door andsmoke chamber alreadyfitted, whilst the casi

14Instructions for the installerWhen the appliance is installed on existing systems, ensureyourself that:- The flue outlet pipe is suitable for conden

15Instructions for the installer3.7 - CHIMNEY FLUE CONNECTIONIn condensing boilers the flue gases are evacuated at a verylow temperature (max about 8

16Instructions for the installerEsemple:PK 230X 2SFlue gas mass flow rate = 349,6 Kg/hChimney height = 25 mChimney connect. diam. = 200 mmNo

17Instructions for the installerThe condensate drain system must be:- built in order to prevent the products of combustion di-scharging in the ambient

18Instructions for the installer3.9 - FIRE DOOR: ADJUSTMENT,OPENING &CLOSINGIMPORTANT- The door must be opened only when the boileris cold to avoi

19Instructions for the installer3.10 - GAS CONENCTIONDANGER!The gas connection must be carried out onlyby a qualified registered engineer who willhave

2General InformationCONTENTS1 GENERAL INFORMATIONI ...

20Instructions for the installerWARNING!IT IS ABSOLUTELY FORBIDDEN TO FIT ON-OFF VALVES ON THE BOILER BEFORE THESAFTEY DEVICESCH pressure relief valv

21Instructions for the installerPerdita di carico lato acqua00,511,522,530 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000

22Instructions for the installerPerdita di carico lato acqua00,511,522,533,540 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 22000 24000 260

23Instructions for the installer3.14 - MIXING HEADER AND PLATE HEAT EXCHANGERIn order to ensure correct boiler operation it is necessary touse a mixin

24Instructions for the installer1 2 3 4 5 2 7 163.15 - WATER TREATMENTThe chemical-physical characteristics of the filling water andreinstatement wa

25Instructions for the installer3.16 - CASING ASSEMBLY(con pannello comandi montato a destra)213A. Fit the insulation blanket (1) onto the boiler shel

26Instructions for the installerE. After removal of the two side screws from the control panelrotate its cover towards the frontand insert the cables

27Instructions for the installerGuide the burner plug through the side cable clamp pla-te(6) and clamp the cable using the cable clamp sup-plied. Fix

28Instructions for the installerO. Position the top panels (14 and 15) and press themagainst the side panels.M. Fit the lower right hand side rear pa

29Instructions for the installerR) after removing the cover disconnect the connector "4", un-screw the 2 nuts "5" and remove the b

3General Information1.1 - SYMBOLS USED IN THIS GUIDEWhen reading this guide particular care has to be given to the parts marked with the followings sy

30Instructions for the installer3.17 - SYSTEM FILLING AND DRAININGWarning!Do not mix the CH system's water with anti-freeze or anti-corrosion so

31Instructions for the installerMains electrical supply connection 230VThe electric connections of the boiler are shown in the sectionnamed “ACTUAL WI

32Instructions for the installer- Gain access to the rear of the eBus and remove theterminals numbered from 5 to 11.- Outdoor sensor connection: inser

33Instructions for the installerThe BCM (optional kit) board, elaborates the data con-cerning the thermal drop (Δt between primary flow andreturn) and

34Instructions for the installerBROWNFUSEBLUE230 V - 50 HzE. RIV.WHITEF 6,3 ABLU EBROW NVGE. ACCBLUEBROWNYEL/GRE ENRED2VMeBUS HEATING CONTROL (If fore

35Instructions for the installer3.20 - TYPES OF INSTALLATIONSingle boilerControl panelfitted with aneBus heatingcontrollerBoiler CascadeSlavePanelBCM

36Instructions for the installerElectrical connections for boilers installedin a cascade formationThe cable for the connectionbetween the boiler and t

37Instructions for the installer3.21 - INSTALLATION EXAMPLES (Functional diagram)Boiler connection to the heating system, with 1 direct high temperatu

38Instructions for the installerInstallation of 2 boilers in a cascade arrangement functioning for 1 high temperature zone + 1 low temperature zone,

39Instructions for the installerThe first ignition must be carried out by a qua-lified technician. Failure to do so could causeinjury to persons, anim

4General InformationWARNING!The device should not be used by people with reduced physical, mental and sensory, experience andknowledge. These people m

40Instructions for the installerMINIMUM OUTPUTADJUSTMENT SCREW3.23 - BURNER PRESSURE ADJUSTMENTPK150X 2SWARNING!All the instructions indicated below a

41Instructions for the installer3.25 - BURNER PRESSURE ADJUSTMENTPK230X 2S - PK300X 2S - PK348X 2SWARNING!All the instructions indicated below are fo

42Instructions for the installerC) COMPLETION OF THE BASIC ADJUSTMENTS - Check the C02 values at the minimum and maximuminput.- If necessary make th

43Instructions for HSCP calibration/adjustment3.25 - ACTIVATION CHIMNEYSWEEPERMODEABCPress key B (menu)Turn the knob C until the symbol appear

44Instructions for HSCP calibration/adjustment3.26 - PROGRAMMING THE OPERATOR PARAMETERSPress key B (menu)Rotate knob C until reaching (symbol )P

45Instructions for HSCP calibration/adjustment Position Identification Parameter description PKX 150 PKX 230 PKX 300 PKX 3481 31 CH: Minimum Setpoint

46Inspections and maintenanceInspections and maintenance performed pro-fessionally and according to a regular sche-dule as well as the use of original

47Inspections and maintenanceBoiler body maintenanceDanger!Before performing any maintenance, makesure the boiler and its components have co-oled off.

48Error codes5ERROR CODES5.1 - ERROR CODES DISPLAYError codes of EBUS control unit are indicated below togetherwith its meaning and corrective actions

49Error codesCode:Meaning:Excessive water temperature detected by theheating sensor (SR) (> 95°C)Solution:Check water circulation in installationCo

5General Information®12357 8649111310121415171916182028AB21 222324252627C DEThe data plate can be found underneath the casing abovethe first module&ap

46033 casteldario - mantova - italia - tel. 0376/57001 (r.a.) - telefax 0376/660556www.unical.ag - [email protected] will not be held responsib

6General Information1.7 - GENERAL WARNINGThis instruction manual is an integral and indispensable partof the product and must be retained by the perso

7Technical features and dimensions2.1 - TECHNICAL FEATURESThe PK series ... X is made up of gas heating units and verylow condensing temperature acc

8Technical features and dimensions2.2 - MAIN COMPONENTS ANDFUNCTIONINGThe PKX boilers are built with a blind furnace, in which theburner's centra

9Technical features and dimensions1502303003482.3 - DIMENSIONS1 Control box2 Flame control sight glassT1 C.H flowT2 Average temperature system returnT