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Summary of Contents for Bentone Nu-Way ST90 S1S 94R
- Page 1 Installation and Maintenance Manual ST90 S1S 94R LMO14.113C2E AS 47 CK Translation of the original instructions. Keep for future use. Read carefully before use. 178 120 19-7 CR00784 2024-04-11...
- Page 2 1~230V 1,0A 50Hz IP 20 Motor supply MADE IN SWEDEN BY 1. Manualer på övriga språk 1. Manuals in other languages 1. Manualer på andre sprog 2. www.bentone.com\nedladdning eller 2. www.bentone.com\download 2. www.bentone.com\download eller scanna QR-koden. or scan QR-code. scan QR-koden.
- Page 3 BENTONE Table of contents General Information ............5 Settings ................19 Delivery inspection................ 5 Example of basic setting ............19 Safety ....................5 Pump ..................21 Technical data ...............7 SUNTEC AS .................. 21 Dimensions ST 146 KS..............7 Service .................27 2.2 Working field .................. 8 7.1...
- Page 5 BENTONE General Information The burner may only be used for its intended purpose in accordance with the product’s technical data. We reserve the right to make design changes and cannot be held liable for any misprints or typographical errors. Modifying the design or using accessories or components that have not been approved by CTC in writing is strictly prohibited.
- Page 6 BENTONE • Care must be taken by the installer to ensure that no electrical cables or fuel lines are pinched or otherwise damaged during installation or service. • Flame tubes, fan wheels and air dampers, for example, may contain sharp edges.
- Page 7 BENTONE Technical data The burner is intended for: • Operation in installations according to EN 303 and EN 267. When operating with a hot air boiler, the LMO24.255 or LMO44.255 control unit must be used. Fuels: • HVO/XTL according to EN 15940.
- Page 8 BENTONE Dimensions, flanges 2.1.1 Flange 1 Flange 2 ø90 ø89,7 130-150 125-150 2.1.2 Hole patten Check that the hole pattern on the boiler is suitable for the fixing flange. ø 90 ø 125-150 Working field 3.3-10.0 kg/h 39-119 kW mbar Do not exceed the working area.
- Page 9 BENTONE Basic settings - Fuel oil Air settings Nozzle assembly Scale Burner output Basic settings - HVO/XTL Air settings Nozzle assembly Scale Burner output Flame signal When operating at high power or low air excess and HVO/XTL is used as fuel, the flame signal may deteriorate (blue flame), the signal lamp in the reset button flashes green.
- Page 10 BENTONE Technical specification ST 146 KS Main supply 230V, 1~, 1.2/1.3A, 50/60Hz, IP20 Max fuse rating 6.3A preheater excluded 0.74A, 165W preheater excluded 0.81A, 190W -class (GCV) preheater excluded 110mg/kWh Sound power (dBA) L 78dBA Max operating current, see data plate.
- Page 11 BENTONE Nozzle and pump pressure Due to different furnace geometries and capacities, it is not possible to recommend a nozzle model. Nozzle 60° Solid/Hollow cone 80° Solid/Hollow conel Pump pressure 10 bar (8–14 bar) Fuel oil 1 10 bar (7–12 bar) Kerosene...
- Page 12 BENTONE Components Reset button Flame tube Indication, air damper Burner control Ignition electrodes Fan wheel Ignition transformer Connecting pipe Adjustment, air damper Ignition cables Air damper Flame detector Nozzle assembly Solenoid valve Motor Nozzle Pump Brake plate Drive coupling...
- Page 13 BENTONE Electric equipment Safety system The safety system (safety switch for hatches, doors, water level, pressure, temperature and other safety devices) must be installed in the safety circuit in accordance with current regulations for the system. The cables of the safety system must be separated so that the outgoing signal is not placed in the same cable as the incoming signal.
- Page 14 BENTONE 3.2.1 Components Burner control Motor Ignition transformer Flame detector, QRB UV-cell, QRC Time meter, low capacity (optinal) Preheater Plug-in contact, burner Control thermostat Burner without preheater Plug-in contact, boiler Temperature limiter Fuse Solenoid valve Main switch Lamp, low capacity...
- Page 15 BENTONE Colour codes When the burner starts, the light in the reset switch indicates the normal sequence, and also indicates whether something abnormal is happening as per the following table: Preheater in operation Solid yellow Ignition switched on Flashing yellow...
- Page 16 BENTONE Installation General instructions Oil burners must be installed in accordance with local regulations. The installer must therefore be knowledgeable of the regulations pertaining to oil and combustion. Only oil suitable for the burner must be used and then in combination with a suitable oil filter installed before the burner’s oil pump.
- Page 17 BENTONE Electrical connection • Before work on the electrical connection, the current must be disconnected so that the installation is isolated. • Electrical connection must be done in accordance with the applicable regulations. • Burners must be connected to an all-pole switch.
- Page 18 BENTONE Mounting 4.7.1 Hole pattern Make sure the hole pattern on the burner corresponds to the supplied flange, (see Technical data). 4.7.2 Burner installation Install the flange with gasket on the boiler. Fit the selected nozzle, (see Technical data). Install the brake plate and check the ignition electrodes, (see Burner Servicing).
- Page 19 BENTONE Settings Example of basic setting ST 146 KS Burner output: 88 kW Estimated nozzle output: 88 / 11.86* 7.42 kg/h (* Calorfic value Fuel oil 11.86 kWh/kg) This provides the following nozzle according to the nozzle table, (see Technical data).
- Page 20 BENTONE 5.1.1 Insert control The burner is equipped with a lever that changes the position of the brake plate in the burner tube. This is used to set the correct pressure drop across the combustion assembly, thereby obtaining good combustion without pulsation.
- Page 21 BENTONE Pump SUNTEC AS Technical data AS47CK Technical data AS67C One or two-pipe system One or two-pipe system Viscosity range: Viscosity range: 1-12 mm 1-12 mm Pressure range: Pressure range: 7-14 bar 10-15 bar Rated voltage of coil: Rated voltage of coil:...
- Page 22 BENTONE Applications for SUNTEC AS The SUNTEC AS oil pump has a built in solenoid valve When the solenoid is activated, this by-pass channel is which controls the regulator cut-off valve giving fast closed and because of the full speed of the gear set, the...
- Page 23 BENTONE 6.1.1 Suction line tables Overlying tank 6.1.1.1 1-pipe system One pipe siphon feed system Einstranginstallation - Tank höher als Pumpe Nozzle*/Düse* Installation monotube en charge Gicleur*/Ugello* Impianti monotubo a sifone 0,50 0,60 0,80 1,00 1,50 2,00 4,00 6,00 9,50...
- Page 24 BENTONE Underlying tank 6.1.1.2 1-pipe system With an underlying tank a 1-pipe-system is not recommended. Two-pipe system Two pipe lift system Zweistranginstallation - Tank tiefer als Pumpe Pump/Pumpe Installation bitube en aspiration 35/45 Pompe/Pompa Impianti bitubo in aspirazione Q** (l/h)
- Page 25 BENTONE 6.1.2 Check oil line seals When the burner has been installed and put into operation, the tightness of the various coupling elements should be checked (A), in case of leakage - retighten the coupling elements. Use caution when operating the burner, surfaces may be hot. When servicing oil bearing components, check for oil leakage when the burner are put into operation.
- Page 26 BENTONE Replacing the solenoid valve (pump) 6.1.4 Disconnect the main power and shut off the fuel supply. Before obtaining access to terminals, all supply circuits must be disconnected. Disconnect power cables to solenoid valves. Loosen nut holding the solenoid coil. Loosen screws that secures the valve mounting plate. Remove valve.
- Page 27 BENTONE Service Service and maintenance work may only be performed by qualified personnel. Perform operational check of all safety systems and components at each service. Only CTC original parts should be used when replacing components. Use caution when operating the burner, surfaces may be hot. Burner Service Schedule, Oil Servicing must be carried out once a year or after 3,000 hours of operation.
- Page 28 BENTONE Combustion device Disconnect the main power and shut off the fuel supply. Remove the burner from the boiler by loosening the screw (A). Loosen the housing screw (B) and remove the front cover (C). Visually inspect the combustion assembly and check the various components for defects.
- Page 29 BENTONE Replacing the preheater Disconnect the main power and shut off the fuel supply. Remove the burner from the boiler by loosening the screw (A). Loosen the housing screw (B) and remove the front cover (C). Remove the preheating and ignition cables.
- Page 30 BENTONE Replacing the oil pump Disconnect the main power and shut off the fuel supply. Undo the oil hoses from the pump. Remove the burner from the boiler by loosening the screw (A). Loosen the housing screw (B) and remove the front cover (C). This will make it easier to install the pump.
- Page 31 BENTONE Replacing the fan motor and fan wheel Disconnect the main power and shut off the fuel supply. Remove the burner from the boiler by loosening the screw (A). Loosen the housing screw (B) and remove the front cover (C). This will make it easier to fit the motor and fan wheel.
- Page 32 BENTONE Air intake and intake cone Disconnect the main power and shut off the fuel supply. Remove the burner from the boiler by loosening the screw (A). Air intake Oil pipe Loosen the housing screw (B) and remove the front cover (C).
- Page 33 BENTONE Replacing individual electrical package components Disconnect the main power and shut off the fuel supply. Remove the burner from the boiler by loosening the screw (A). Remove the burner control and loosen the two bottom screws in the relay socket.
- Page 34 BENTONE Fault Location Burner will not start Symptom Causes Remedies Unstable flame Motor starts Burner pre-ventilates Excess air Adjust the damper Low oil pressure Check the oil pressure Flame formed Check the nozzle in relation to the combustion apparatus Burner trips...
- Page 35 BENTONE Burner will not start after normal use Symptom Causes Remedies Burner does not start Fuse blown Check and replace fuse as necessary. Investigate cause of Boiler thermostat has not reset fault Adjust thermostat Preheater does not get up to...
- Page 36 BENTONE Delayed ignition Symptom Causes Remedies Burner pulsates at start with hot Excessively strong draught Correct boiler draught flue gases Excessive pressure drop across Adjust the burner the brake plate Preheater temperature too low Check preheater function New oil type Adjust the preheater‘s set...
- Page 37 BENTONE Noise in pump Symptom Causes Remedies The burner pump emits noise Check the oil system in order to during start reduce pressure drop Insufficient negative pressure on Rebuild the oil system to form a the suction side pump solution with a transport oil pump...
- Page 38 Log of flue gas analysis Owner Adresss Tel. no: Installation Tel. no: Boiler Type Make Power kW Burner Type Model Serial no. Fuel Step 1 Step 2 Step 3 Draught in fireplace Fan Press mbar Filter smoke number Flue gas temp. °C Setting brake disc Setting Air damper Pump pressure...
- Page 39 EU Declaration of conformity Bentone Oil Burners Type: BF 1 ST 133 B 40 B 65 ST 108 ST 146 B 45 B 70 ST 120 B 30 B 55 B 80 This declaration of conformity is issued under the sole responsibility of the manufacturer.
- Page 40 UK Declaration of conformity Bentone Oil Burners Type: BF 1 ST 133 B 40 B 65 ST 108 ST 146 B 45 B 70 ST 120 B 30 B 55 B 80 This declaration of conformity is issued under the sole responsibility of the manufacturer.
- Page 44 CTC AB Box 309 SE-341 26 Ljungby info@bentone.se +46 372 88 000 www.bentone.se...
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