Related Manuals for Unical ALKON 24 B 60
Summary of Contents for Unical ALKON 24 B 60
- Page 1 ALKON 24 B 60 ALKON 35 B 60 INSTALLATION AND SERVICING MANUAL 00332925 - 2 edition - 02/09...
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Page 2: Table Of Contents
The end user MUST not make any alterations to the boiler. Failure to follow the instructions indicated in this manual, which is supplied with the boiler, could cause injury to persons, animals or damage to property. UNICAL shall not be held liable for any injury and/or damage. -
Page 3: General Information
Any other use of this appliance will be considered improper. UNICAL declines any responsibility for any damages or injuries caused by an improper use; in this case the risk is completely at the user’s responsibility. In order to use the appliance according to the foreseen scopes it is necessary to carefully follow the instructions indicated in this manual. -
Page 4: Safety Warnings
Servicing or repairs of the appliance must be carried out by competent qualified service technicians; UNICAL recommends drawing up a service contract. Bad or irregular servicing could compromise the safe operation of the appliance, and could cause injury to persons, animals or damage to property for which UNICAL shall not be held liable. -
Page 5: Data Badge
General information DATA BADGE CE Marking The essential requirements of the Directive regarding electromagnetic compatibility The CE marking documents that the boilers satisfy: (Directive 89/336/CEE) The essential requirements of the Directive regarding gas appliances (Directive The essential requirements of the Efficiency Directive (Directive 92/42/CEE) 90/396/CEE) The essential requirements of the low voltage Directive (Directive 73/23/CEE) ®... -
Page 6: General Warnings
Any repairs must be carried out solely by Unical authorized Keep this manual in a safe place for future reference. technicians and using only original spare parts. Non-obser-... -
Page 7: Technical Features And Dimensions
• Flow temperature NTC sensor; operate with natural gas or LPG, in compliance to the regula- • Return temperature NTC sensor; tions indicated by UNICAL. • Thermoidrometer • Condensate drain siphon; They are room sealed appliances, because the air neces- •... -
Page 8: Dimensions
General information 2.2 - DIMENSIONS VIEW FROM ABOVE ALKON 24 B 60 VIEW FROM BELOW 66,5 ALKON 35 B 60 VIEW FROM ABOVE VIEW FROM BELOW Gas inlet – ¾” DHW outlet – ½” Cold water inlet - ½” C.H system flow – ¾”... -
Page 9: Main Components
Technical features and dimensions 2.3 - MAIN COMPONENTS ALKON 24 B 60 1 Pump 2 Sifone 3 Gas valve 4 CH flow sensor 5 Combustion chambre 6 Flue outlet pipe 7 Automatic air vent 8 Storage tank 9 Expansion vessel... -
Page 10: Boiler Water Circuit
General information 2.4 - BOILER WATER CIRCUITS By-pass Heating Expansion Vessel Diverter valve Pump Air vent valve Return temperature sensor Aluminium heat exchanger/condenser Ignition and flame detection electrode 10 Premix 11 High limit thermostat 12 Safety thermostat 13 Inox storage tank 14 Expansion Vessel DHW 15 Flow restrictor 16 Storage tank safety valve... -
Page 11: Performance Data According To The Standard Uni 10348
Technical features and dimensions 2.5 - PERFORMANCE DATA ACCORDING TO STANDARD UNI 10348 For information regarding the adjustment of: INJECTORS - BURNER PRESSURES – DIAPHRAGMS – OUTPUTS – GAS CONSUMPTIONS please refer to the paragraph BURNER ADJUSTMENT. 24 B 60 35 B 60 ALKON 23,8... -
Page 12: Instructions For The Installer
Instructions for the installer INSTRUCTIONS FOR THE INSTALLER 3.1 - GENERAL WARNINGS WARNING! In rooms where aggressive vapours or dust WARNING! is present the appliance must operate inde- This boiler has to be destined for the use for pendently from the air present in the boiler’s which it has been expressively designed for. -
Page 13: Standard Codes For Installation
UNICAL refuses all liability for injury to persons, animals or damage to property deriving from not having respected the above mentioned re- commendations. -
Page 14: Boiler Location
The wall must not be made of inflammable material; Leave a clearance of 100 mm on each side of the boiler to facilitate subsequent servicing; ALKON 24/35 B 60 WALL MOUNTING TEMPLATE ALKON 24 B 60 ALKON 35 B 60 140,5 147,5... -
Page 15: Boiler Installation
3.6 - GAS CONNECTION As a safety measure against gas leaks, Unical recommends installing a surveillance and pro- tective system composed of a gas leakage DANGER! -
Page 16: Central Heating Connections
If this precaution is not taken it could lead to injury to persons, animals or damage to pro- perty. The manufacturer shall not be held lia- ble for any such injury and/or damage GRAPH: FLOW RATE/ AVAILABLE HEAD (ALKON 24 B 60) 1000 1050 1100... -
Page 17: Dhw Connections
Instructions for the installer The routing of the piping has to be laid down taking all the 3.8 - CENTRAL HEATING CONNECTIONS necessary precautions in order to avoid air locks and to faci- litate the continuous purging of the system. WARNING! Before installing the boiler we recommend Ensure yourself that the system’s piping is not used as... -
Page 18: Condensate Drain
(supplied with the boiler) there must be no bottlenecks; it must be installed so as to avoid freezing of the liquid ALKON 24 B 60 ALKON 35 B 60 Condensate inlet Condensate inlet... -
Page 19: Flue Outlet Installation
The two terminals must not be fitted on to two opposite and national Standards (refer to Standard UNI-CIG 7129, point walls. 4 and UNI-CIG point 5) We recommend using only original UNICAL flue outlet systems. Damages caused by installation errors and for non-observance of the instructions given by the same manufacturer will invalidate all the supplier’s contractual or extra contractual re-... - Page 20 Instructions for the installer SMOKES EVACUATION DUCTS Ø 80 MM, WITH AIR SUCTION IN THE INSTALLATION ROOM - INSTALLATION TYPE B23 The maximum length of the evacuation ducts is of 30 meters. Smoke Accessories Ø 80 mm for type B23 00361435 Kit DUCTSPLITTER + For this type of installation the chimney has 00361446 AIR SUCTING NOZZLE...
- Page 21 Instructions for the installer FLUE OUTLETS WITH CONCENTRIC DUCTS Ø 80/125 mm Type C33 Important: the outlet/inlet flue has to The maximum allowable length of the vertical concentric pi- have a minimum inclination of 3% pes (Ø 80/125) is of 8,5 metres flue terminal included (Ø 80/ towards the top in the outlet direction, 125);...
- Page 22 Instructions for the installer FLUE OUTLET WITH SEPARATE DUCTS Ø 80 mm TSC0130C TSC0150C KIT5780C Ø 80 KIT5770C 00361435 257 (24 kW) 242 (35 kW) Table of the flue losses for smoke accessories Ø 80 mm The maximum allowable length of the horizontal separate pi- For each one of them deduct, from the maximum pes Ø...
- Page 23 Instructions for the installer Example N.1 Intake of primary air from the perimeter wall and flue dischar- ge from the roof. L max = 64,0 m - 1 Curve with wide radius 2,5 m - 1 horizontal suction terminal 2,3 m - 1 Vertical evacuation duct 5,3 m = 53,9 m...
- Page 24 1 or 2) it is necessary to deduct, from the maximum These values refer to flue systems mounted allowed length, the resistance in meters related to the with original UNICAL non flexible and smooth different accessories (see table). pipes. L max = L1+L2 =...
- Page 25 Instructions for the installer Example N.1 Intake of primary air from the perimeter wall and flue dischar- ge from the roof. L max = 17,4 m - 1 Curve with wide radius 0,8 m - 1 horizontal suction terminal 1,2 m - 1 Vertical evacuation duct 2,8 m = 12,6 m...
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Page 26: Electrical Connections
UNICAL refuses responsibility for any damages arising from Access to the electrical terminal strip and ex- failure to earth the boiler correctly. -
Page 27: Outdoor Sensor Connection
Instructions for the installer Outdoor sensor connection (optional) Subsequently we have to make the maximum flow temperature correspond to the minimum external temperature by setting the Otc parameter (outdoor sensor set-point) DANGER! Switch off and disconnect the electricity supply before carrying out any operations on the electrical parts. -
Page 28: On-Off Digital Room Controller Connection
250 VAC. 1L 2N Modulating RT/OT digital room controller connection (optional) WARNING! The modulating room controllers must be supplied by Unical. DANGER! RT/OT Switch off and disconnect the electricity supply before carrying out any operations on the electrical parts. -
Page 29: Layout Of The Electrical Connection For Zone Control Systems
Instructions for the installer Layout of the electrical connections for zone control systems External voltage line 1L 2N Room thermostat (high temperature zone controller) Digital room controller (low temperature zone controller) Boiler flow Low temperature zone High temperature zone Note: The terminal connections 3 and 4 indica- ted in the diagram refer to the valve’s in- Boiler return ternal limit stop, when the same valve is... -
Page 30: Wiring Diagrams
Instructions for the installer 3.12 - WIRING DIAGRAMS E.ACC./RIL. TRASF. BROWN ACC. LIGHT BLUE YEL/GREEN BROWN BLACK ORANGE BLUE LIGHT BLUE HEATING WHITE GREEN WHITE BROWN 230 V - 50 Hz To main switch WHITE WHITE GREEN GREEN BLACK WHITE DHW sensor A1...A8 = Service connectors... - Page 31 Instructions for the installer JUMPER LOCATION JP1: NIGHT REDUCTION The “Night reduction” function is enabled if the jumper is linked between terminals 1 and 2. The jumpers, fitted on to the modulation board, have the The “Night reduction” function is excluded if the jumper is purpose of determining several indispensable functions for linked between terminals 2 and 3 (factory set configuration).
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Page 32: Filling The System
Use the pressure gauge fitted on normal boiler operation. the boiler to read the system’s pressure value. UNICAL refuses all liability for injury to per- sons, animals or damage to property deri- NOTE! ving from not having respected the above If the boiler has not been fired for a long period mentioned recommendations. -
Page 33: Initial Lighting
Failure to do so could cause injury to persons, animals or damage all the necessary ventilation conditions and minimum cle- to property. UNICAL shall not be held liable arance distances are guaranteed for subsequent servi- for any injury and/or damage. - Page 34 ANTICLOCKWISE direction in order to incre- WARNING! ase it. All the instructions indicated below are for the exclusive use of qualified UNICAL service technicians or installers. All the boilers leave the factory already calibrated and tested. If it is necessary to change the...
- Page 35 Instructions for the installer If necessary correct the value by turning the adjustment screw C) COMPLETION OF THE BASIC “B” in a CLOCKWISE direction to increase the value and in ADJUSTMENTS an ANTICLOCKWISE direction in order to decrease it. - Check the C0 values at the minimum and maximum output.
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Page 36: Variation Of Output Range
3.16 - VARIATION OF OUTPUT RANGE It is possible to adjust the maximum input by reducing the fan example: for ALKON 24 B 60 with the parameter FHCH settled on 50, speed. the correspondent maximum input will be of 16.4 kW With the “Regolafacile”... -
Page 37: Servicing Schedule
3 mm (for example safety devices or power switches) and ensure yourself that it cannot be accidentally reinser- ted. For this reason UNICAL recommends that a servicing contract Close the on-off valve fitted upstream of the boiler. should be made with our authorized After Sales Service If necessary, and in function of the type of work to be car- Assistance Centre. -
Page 38: Fault Codes
Instructions for the installer Check Check every Recommended servicing operations annually 2 years Examine all water seal components for soundness Test for gas soundness Check the water and gas safety devices Clean the combustion circuit heat exchanger/body Clean the burner and check the ignition efficiency Clean the fan Check efficiency of fan’s operation Check the gas flow rate and eventual gas adjustment... - Page 39 Instructions for the installer IDENTIFICATION TYPE OF BURNER ADOPTED On the technical data plate, at the voice (5) S.N° (page 5) 08A.... 08U.... the third figure identifies the type of burner during regulation stick to the values indicated in the table on page 35. ALKON 24 B60 - Burner type “A”...
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Page 40: Fault Codes
Codes fault FAULT CODES The boiler is fitted with an integrated diagnostic readout which, These codes are divided into the following 3 groups: in case of malfunction, consents the immediate individuation group: they are signalled but boiler operation is normal. of the type of fault, thanks to the combination of several LEDs group: the burner is automatically switched off. - Page 41 Codes fault CODE DISPLAYED ON Lack of water THE DIGITAL ROOM Description: CONTROLLER Insufficient water pressure and subsequent intervention of the 08 08 minimum water pressure switch. CODE DISPLAYED ON Frost THE DIGITAL ROOM Description: CONTROLLER 0 9 0 9 The heat exchanger is frozen.
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Page 42: Declaration Of Conformity
All these boilers are PIN n° 1312BS5088 marked Unical declines any responsibility for injuries to persons, animals or to property deriving from wrong handling of the boiler by unauthorized third parties, or by bad installation or servicing. TechnicalManager Unical AG s.p.a. - Page 44 - info@unical-ag.com The Unical declines every responsibility for the possible inaccuracies if owed to errors of transcript or press. Also reserves the right to bring those changes that it will hold necessary to it own products or profits, without jeopardizing its...
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