Unical ALKON R 18 Installation And Servicing Manual
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Summary of Contents for Unical ALKON R 18
- Page 1 ALKON R 18 - C 18 R 24 - C 24 INSTALLATION SERVICING MANUAL 00333176 -2 edition - 10/2011...
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Page 2: Table Of Contents
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. CONTENTS 1 GENERAL INFORMATION .................................... -
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 UNICAL authorised 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 The essential requirements of the Directive regarding electromagnetic compatibility 1.6 - DATA BADGE (Directive 89/336/CEE) CE Marking The essential requirements of the Efficiency Directive (Directive 92/42/CEE) The CE marking documents that the boilers satisfy: The essential requirements of the low voltage Directive (Directive 73/23/CEE) The essential requirements of the Directive regarding gas appliances (Directive 90/396/CEE) ®... -
Page 6: General Warnings
Please read carefully the instructions contained in this manual as they provide important indications regarding the safe Any repairs must be carried out solely by Unical authorized installation, use and servicing of this appliance. technicians and using only original spare parts. Non- observance of the above requirement may jeopardize the Keep this manual in a safe place for future reference. -
Page 7: Technical Features And Dimensions
Technical features and dimensions TECHNICAL FEATURES AND DIMENSIONS 2.1 - TECHNICAL FEATURES Moreover, the boilers of the ALKON 09 range are classified as “CONDENSING BOILERS” according to the Directive 92/42 CEE appendix 2 (4 stars) and appendix 6 (D.M 660). The ALKON boiler is a thermal gas fired unit with an atmospheric fully pre-mixed burner. -
Page 8: Main Components
Technical features and dimensions 2.3 - MAIN COMPONENTS ALKON 09 “R” ALKON 09 “C” 16 18 1514 16 15 14 13 1 Condensate drain siphon 1 Condensate drain siphon 2 Aluminium heat exchanger/condenser 2 Domestic hot water temperature sensor 3 Flow temperature sensor 3 Aluminium heat exchanger/condenser 4 Overheat safety thermostat 4 Flow temperature sensor... -
Page 9: Boiler Water Circuit
Technical features and dimensions 2.4 - BOILER WATER CIRCUITS ALKON 09 “R” 1 DHW temperature sensor 2 Flow switch 3 Domestic hot water flow control 4 Condensate drain siphon 5 Plate heat exchanger 6 Aluminium heat exchanger/con- denser 7 Fan 8 Safety thermostat 9 Gas valve 10 Low water pressure switch... -
Page 10: 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 PRESSURE ADJUSTMENT. MODEL R 18 C 18 R 24 C 24... -
Page 11: Instructions For The Installer
Instruction for the installer INSTRUCTIONS FOR THE INSTALLER 3.1 - GENERAL WARNINGS WARNING! In rooms where aggressive vapours or dust is present the appliance must operate WARNING! independently from the air present in the This boiler has to be destined for the use for boiler’s location room! which it has been expressively designed for. -
Page 12: 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 recommendations. In the packaging, in addition to the boiler, you can also find... -
Page 13: Boiler Location
Instruction for the installer 3.4 - BOILER LOCATION When selecting the position for the installation of the boiler Ø100 please comply to the following safety requirements: Ø80 • Fit the appliance in rooms protected from frost; • In rooms where aggressive vapours or dust are present, the appliance must be able to operate independently from Ø12 Ø12... - Page 14 Instruction for the installer Dimensions of diverting valve kit for ALKON 09 R for external D.H.W. tank connection Dimensions for the connection of ALKON 09 R to the external D.H.W. tank DSP 110 Hydraulic connection covering kit Pipe connection kit DSP110...
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Page 15: Boiler Installation
The connection between the boiler and chimney/flue outlet can be made only after this verification has been carried out. As a safety measure against gas leaks, Unical 3.6 - GAS CONNECTION recommends installing a surveillance and... -
Page 16: Central Heating Connections
Instruction for the installer 3.7 - CENTRAL HEATING CONNECTIONS Ensure yourself that the system’s piping is WARNING! not used as earth clamps for the electrical Before installing the boiler we recommend or telephonic system. They are absolutely that the system is flushed out with a suitable unsuitable for this use. -
Page 17: Dhw Connections
Instruction for the installer 3.8 - DOMESTIC HOT WATER CONNECTIONS The pressure in the system must be between 1 (Model “C”) and 3 bar (if the pressure is higher fit a reducing pressure valve). WARNING! Before connecting the boiler to the water WARNING! mains supply ensure that the system is The hardness of the mains water supply... -
Page 18: Condensate Drain
Instruction for the installer 3.10 - CONDENSATE DRAIN During the combustion process the boiler produces condensate which, through the “A” pipe, flows into the siphon. The condensate which forms inside the boiler has to be routed into an adequate drain by means of the pipe “B”. DANGER! Before commissioning the appliance fill the siphon and check the correct drainage of the... -
Page 19: Water Treatment
Instruction for the installer 3.11 - WATER TREATMENT An appropriate treatment of the supply water will prevent The chemical/physical features of the heating system’s water the above stated problems and will maintain the correct are fundamental for the boiler’s correct operation and safety. operation and efficiency of the generator in time. -
Page 20: Flue Outlet Installation
The two terminals must not be fitted on to two opposite local and national Standards (refer to Standard UNI-CIG walls. 7129, point 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... - Page 21 Instruction for the installer SMOKE EVACUATION Ø80 mm with AIR INTAKE FLANGE - Installation type B23 The maximum allowed virtual length for the smoke evacuation duct is 20 m, included one wide radium curve and one evacuation terminal. For this type of installation the smoke evacuation duct has to be independent.
- Page 22 Instruction for the installer HORIZONTAL FLUE OUTLET WITH CONCENTRIC DUCTS Ø 60/100 mm Type C13 Important: the outlet/inlet flue has to The minimum allowable length of the horizontal concentric have a minimum inclination of 3% pipes is of 0,75 metres. towards the top in the outlet direction, The maximum allowable length of the horizontal concentric so as to enable the collection of any...
- Page 23 Instruction for the installer HORIZONTAL FLUE OUTLET WITH CONCENTRIC DUCTS Ø 80/125 mm Type C13 The minimum allowable length of the horizontal concentric Important: the outlet/inlet flue has to pipes is of 0,75 metres. have a minimum inclination of 3% The maximum allowable length of the horizontal concentric towards the top in the outlet direction, pipes is of 6 metres.
- Page 24 Instruction for the installer FLUE OUTLET WITH SEPARATE DUCTS Ø 80 mm 101,5 Ø 80 TSC0130C TSC0150C KIT5780C KIT5770C KIT5720C Fit the rubber spacer, supplied with the boiler, as shown in the picture. It is not permitted to position the two termi- nals on opposite walls.
- Page 25 Instruction for the installer FLUE OUTLET WITH SEPARATE DUCTS Ø 80 mm Type C53 (Only for inside installations) The maximum allowable length of the horizontal separate pi- pes Ø 80 is of 58 metres. Table of the flue losses for smoke accessories Ø 80 mm For each one of them deduct, from the maximum For rectilinear length it is intended without cur- allowed Length, the corresponding flue losses in meters.
- Page 26 Instruction for the installer Example N.1 Intake of primary air from the perimeter wall and flue dischar- ge from the roof. L max = 58,0 m - 1 Curve with wide radius 2,5 m - KIT5790C 1 horizontal suction terminal 2,3 m - 1 Vertical evacuation duct 5,3 m =...
- Page 27 (example These values refer to flue systems mounted 1 or 2) it is necessary to deduct, from the maximum with original UNICAL non flexible and smooth allowed length, the resistance in meters related to the pipes.
- Page 28 Instruction for the installer Example N.1 Intake of primary air from the perimeter wall and flue dischar- ge from the roof. L max = 20,0 m - 1 Curve with wide radius 0,8 m - 1 horizontal suction terminal 1,2 m - 1 Vertical evacuation duct 2,8 m = 15,2 m...
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Page 29: Measurement On Site Of Combustion Efficiency
Instruction for the installer UNICAL is not responsible for any damage caused as result of mistakes in the installation, utilization or transformation or for no compliance with the instructions supplied by the manufacturer or with the installation codes in force in the destination country. -
Page 30: Parameters Which Can Be Modified From Panel Board
Instruction for the installer 3.14 - PARAMETERS WHICH CAN BE MODIFIED FROM PANEL BOARD WARNING! Function reserved exclusively to the Authorized Service Centres! To enter the parameters push and keep Some of the service parameters can be pressed for ten seconds the reset button modified from the panel board: (release when the flashing wrench appe- on the display). -
Page 31: Electrical Connections
“WIRING DIAGRAMS” (paragraph 3.14 pages 37) to check the appliance’s electrical system. UNICAL refuses responsibility for any damages arising from A mains supply of 230 V – 50 Hz is required. The wiring to the boiler must be in accordance with the current CEI regulations. -
Page 32: Outdoor Sensor Connection
Instruction 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 connection of the outer sensor has to be made on the the Otc parameter (outdoor sensor set-point) terminals 5 &... -
Page 33: On-Off Digital Room Controller Connection
TA. ON/OFF Modulating RT/OT digital room controller connection (optional) WARNING! The modulating room controllers must be supplied by Unical. DANGER! Switch off and disconnect the electricity supply before carrying out any operations on the electrical parts. -
Page 34: Layout Of The Electrical Connection For Zone Control Systems
Instruction for the installer Layout of the electrical connections for zone control systems Digital room controller External voltage line (low temperature zone controller) Room thermostat (high temperature zone controller) ON-OFF Boiler flow Low temperature zone High temperature zone Note: The terminal connections 3 and 4 in- dicated in the diagram refer to the Boiler return valve’s internal limit stop, when the... -
Page 35: Wiring Diagrams
Instruction for the installer 3.16 - WIRING DIAGRAMS FUNCTIONAL FLOW WIRING DIAGRAM ALKON 09 R 18 - R 24 BLACK ORANGE WHITE BROWN(PWM) WHITE GREEN BLUE (TACHO) GREEN BLACK LIGHT BLUE YEL/GREEN BROWN LIGHT BLUE BROWN E.ACC./RIL. 230 V-50 Hz Note: The figures shown on the above wiring diagram are purely indicative... -
Page 36: Functional Flow Wiring Diagram For Alkon 09 R
Instruction for the installer FUNCTIONAL FLOW WIRING DIAGRAM ALKON 09 C 18 - C 24 BLACK ORANGE WHITE WHITE BROWN(PWM) GREEN BLUE (TACHO) GREEN BLACK LIGHT BLUE YEL/GREEN BROWN E.ACC./RIL. 230 V-50 Hz Note: The figures shown on the above wiring diagram are purely indicative A7...A18 = Connectors... -
Page 37: Filling The System
Use the pressure gauge fitted products suitable for use on aluminium-silicon alloy. on the boiler to read the circuit’s pressure UNICAL refuses all liability for injury to persons, animals or value. damage to property deriving from not having respected the above mentioned recommendations. -
Page 38: Initial Lighting
Failure to do so could cause injury to persons, animals or damage Lighting and shutting down procedures to property. UNICAL shall not be held liable for any injury and/or damage. For lighting and shutting down the boiler refer to the “USER’S ”... -
Page 39: Burner Pressure Adjustment
MAXIMUM OUTPUT WARNING! ADJUSTMENT SCREWS 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 B) MIN OUTPUT ADJUSTMENT... - Page 40 Min CO2 >= 9% LPG: Max CO2 = 11% Min CO2 >= 10.2% Noisy flame in modulation UNICAL is not responsible for any damages caused to These adjustments can be performed only by persons, animals and goods deriving from this infringement...
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Page 41: Variation Of Output Range
Instruction for the installer 3.20 - VARIATION OF OUTPUT RANGE rpm x 100 ex. 70 = 7000 rpm For example: with the parameter HP settled on 82, the correspondent maximum input will be of 16 kW (Alkon 09 It is possible to adjust the maximum input by reducing the fan 18kW). -
Page 42: 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 43 Inspections and servicing schedule WARNING! Check Check every Recommended servicing operations If, during the routine servicing, the burner annually 2 years appears slightly curved, inflect the burner by pushing from the outside of the curve and refit Examine all water seal components for soundness Test for gas soundness WARNING! It is fundamental to correctly position the burner...
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Page 44: Fault Codes
Codes fault FAULT CODES The symbol flashes on the display when the boiler detects a fault. 1) In case of a fault which does not causes the stop of boiler operation, to show the error code it is necessary to press the reset push button. If the boiler is in stand-by the error code appears in the display also without °C pressing the reset push button. - Page 45 Codes fault High temperature (priority 8) Description: Boiler temperature too high °C Possible solutions: Ascertain the good operation of the pump and, eventually, clean the heat exchanger Low pressure (priority 9) Description: Insufficient water pressure and, consequently, intervention of the minimum water pressure switch °C Possible solutions:...
- Page 48 - 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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