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Summary of Contents for Unical ALKON 35S R
- Page 1 ALKON 35S R - 35S C (Adjusted for 28 kW) ALKON 35S R - 35S C INSTALLATION SERVICING MANUAL 00333169 -1 edition - 06/2009 English...
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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 Any repairs must be carried out solely by Unical authorized as they provide important indications regarding the safe technicians and using only or iginal spare par ts. Non- installation, use and servicing of this appliance. -
Page 7: Technical Features And Dimensions
CEE appendix 2 (4 stars) and appendix 6 (D.M 660). 2.2 - DIMENSIONS Position ALKON 35S C connections 42 74 73,5 80,5 74 54 Position ALKON 35S R connections 325,5 M C.H system flow F Cold water inlet 65 68 C DHW outlet R C.H. -
Page 8: Main Components
Technical features and dimensions 2.3 - MAIN COMPONENTS ALKON 35S R ALKON 35S C 1 By-pass 1 By-pass Diverter valve Gas valve Diverter valve motor Central heating circuit safety valve Domestic hot water temperature sensor Aluminium heat exchanger/condenser Gas valve... -
Page 9: Boiler Water Circuit
Technical features and dimensions 2.4 - BOILER WATER CIRCUITS ALKON 35S R By-Pass Gas valve Central heating circuit safety valve Low water pressure switch Condensate drain siphon Flow temperature sensor Return temperature sensor Safety thermostat Aluminium heat exchanger/condenser 10. Burner 11. -
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. 35S R - 35S C 35S R - 35S C Adjusted for 28 kW ALKON... -
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 boiler’s location room! for 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 the... -
Page 13: Boiler Location
CONDENSATE DRAIN AND PRESSURE RELIEF VALVE ALKON 35S C POSITIONING OF THE SYSTEM PIPEWORK CONNECTIONS, CONDENSATE DRAIN AND PRESSURE RELIEF VALVE ALKON 35S R Note: The pipework for the condensate drain point and pressure relief valve must be fitted under... -
Page 14: 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 15: Central Heating Connections
Instruction for the installer 3.7 - CENTRAL HEATING CONNECTIONS The boiler is fitted with an automatic BY-PASS (differential WARNING! valve with a flow rate of about 150 l/h) which always ensures Before installing the boiler we recommend a minimum water flow rate to the heat exchanger even if, for that the system is flushed out with a suitable example, all the thermostatic valves fitted on the heating product in order to eliminate any metallic... -
Page 16: Dhw Connections
BOILER CIRCULATION PUMP Graph – Water flow rate/ available head for installation ALKON 35S C - ALKON 35S R - ALKON 35S C (Adjusted for 28 kW) - ALKON 35S R (Adjusted for 28 kW) 0 5 0 5 1 0 0 1 5... -
Page 17: Examples Of System Pipework Connections
Instruction for the installer 3.9 - EXAMPLES OF SYSTEM PIPEWORK CONNECTIONS ALKON 35S C ALKON 35S R CONNECTION WITH STRAIGHT PIPES CONNECTION WITH STRAIGHT PIPES 00361670 Straight pipework kit (supplied with the boiler) 00360724 Straight pipework kit (supplied with the boiler) -
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 local and national Standards (refer to Standard UNI-CIG opposite 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 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 22 Instruction for the installer HORIZONTAL FLUE OUTLET WITH CONCENTRIC DUCTS Ø 80/125 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 FLUE OUTLET WITH SEPARATE DUCTS Ø 80 mm The maximum pressure loss permitted, independently from the type of installation, must not exceed the value of 100 Pa. Ø 80 TSC0130C TSC0150C KIT5780C KIT5770C 00361435 It is not permitted to position the two terminals on opposite walls.
- Page 24 5,5 Pa; - For the vertical flue outlet duct Ø 80 L=1 the pressure loss is of 8 Pa. Note: These values refer to flue systems made with original UNICAL non flexible and smooth pipes. KIT 5750C KIT 5760C...
- Page 25 10 Pa; - For the vertical flue outlet duct Ø 80 L=1 the pressure loss is of 8 Pa 00360353 Note: These values refer to flue systems made with original UNICAL non flexible and smooth pipes. 00360352 00360355 00360351...
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Page 26: Electrical Connections
UNICAL refuses responsibility for any damages arising from failure to earth the boiler correctly. Access to the electrical terminal block and external It is necessary that a qualified technician verifies that the connections electrical system is adequate to the appliance’s maximum... -
Page 27: 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 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
1L 2N Modulating RT/OT digital room controller connection (optional) WARNING! The modulating room controllers must be supplied by Unical. RT/OT DANGER! 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
Instruction 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 in- dicated in the diagram refer to the Boiler return valve’s internal limit stop, when the... -
Page 30: Wiring Diagrams
Instruction for the installer 3.14 - WIRING DIAGRAMS FUNCTIONAL FLOW WIRING DIAGRAM ALKON 35S C E.ACC./RIL. TRASF. BROWN ACC. LIGHT BLUE YELLOW/GREEN BROWN BLACK ORANGE BLUE LIGHT BLUE WHITE GREEN WHITE BROWN 230 V - 50 Hz To the general bipolar switch (installer) WHITE... -
Page 31: Functional Flow Wiring Diagram For Alkon 35S R
Instruction for the installer FUNCTIONAL FLOW WIRING DIAGRAM ALKON 35S R E.ACC./RIL. TRASF. BROWN ACC. LIGHT BLUE YELLOW GREEN BROWN BLACK ORANGE BLUE LIGHT BLUE WHITE (preset) GREEN WHITE BROWN 230 V - 50 Hz To the general bipolar switch... -
Page 32: Jumper Installation On The Modulating Board
Instruction 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 purpose of determining several indispensable functions for The “Night reduction”... -
Page 33: Filling The System
0,8/1 bar; if this value aluminium-silicon alloy. is lower use the filling cock on the boiler to UNICAL refuses all liability for injury to adjust the pressure. persons, animals or damage to property This operation must be carried out when the deriving from not having respected the above system is cold. -
Page 34: Initial Lighting
LIGHTING SHUTTING DOWN to property. UNICAL shall not be held liable PROCEDURES for any injury and/or damage. For lighting and shutting down the boiler refer to the “USER’S Before lighting the boiler check that: ”... -
Page 35: Burner Pressure Adjustment
ANTICLOCKWISE direction in order to increase WARNING! 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 36 1200 6600 4,24 m³/h LPG (G31) 10,3 1200 6400 0,43 kg/h 2,68 kg/h ALKON 35S C - ALKON 35S R (Adjusted for 28 kW) - Brucia Nat. gas (G20) 0,58 m³/h 2,96 m³/h 1200 5400 Nat. gas (G25) 0,68 m³/h 3,44 m³/h...
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Page 37: Variation Of Output Range
For example: with the parameter FHCH settled on 54, the correspondent maximum input will be of 28 kW. ALKON 35S R - 35S C Output range 01 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40... -
Page 38: 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 39 Inspections and servicing schedule 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...
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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 08 08 08 minimum water pressure switch. CODE DISPLAYED ON Frost THE DIGITAL ROOM Description: CONTROLLER 09 09 09 09 09 The heat exchanger is frozen.
- 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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