Related Manuals for Heat Line Vizo 24
Summary of Contents for Heat Line Vizo 24
- Page 1 24/28 24/28 Condensing wall mounted Combination Boiler Installation, Servicing & User Instructions...
- Page 2 HEATLINE™ Vizo24 / Vizo28 Condensing Combination Boilers British Gas Service Listing Vizo 24 Condensing Combination Boiler G.C.No 47-157-08 Vizo 28 Condensing Combination Boiler G.C.No 47-157-09 The HEATLINE™ range of heating boilers is manufactured from high quality materials, enabling reliability and optimum performance.
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Page 3: Table Of Contents
24/28 Contents Section Page Preface 1. Installation Regulations The Signs on Box The Signs on Boiler 2. Technical Data 3. Boiler Characteristics 4. Operation 5. General Installation 6. Appliance Siting 7. Flue Terminal Location 8. General Flue Info 9. Electrical Connections 10. -
Page 4: Preface
BS 5440 Flues and Ventilation for gas appliances of rated input not exceeding 70kW (Part 1 Flues) Heat Line™ accepts no responsibility for the unsatisfactory o BS 5440 Flues and Ventilation for gas appliances performance of the appliance or flue arising from the failure of rated input not exceeding 70kW (Part 2 Air to comply with the installation and user instructions. -
Page 5: The Signs On Box
24/28 The Signs on Box This picture shows the terminal block, which is located at the bottom left hand The sign of approval the Vizo24 & Vizo28 side of the control panel cover, to which a Boilers have been certified by GASTEC voltage free room thermostat may be Italy. -
Page 6: Technical Data
24/28 2. Technical Data VIZO 24 VIZO 28 VIZO 24 VIZO 28 (24 kW) (28 kW) (24 kW) (28 kW) 25,7 28,5 Maximum heating temperature Heat Input (max) ºC Max. domestic hot water 24,82 27,47 Heat Output (max) ºC... - Page 7 24/28 5 - Combustion Chamber 6 - Ignition Electrode 7 - Flame Sensor Electrode 8 - Burner 9 - Overheat Safety Thermostat 10 - Heating Sensor 11 - Automatic Air Vent 12 - Pump At Rear Side 13 - Water Pressure Switch/Sensor 14 - D.H.W.
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Page 8: Boiler Characteristics
24/28 3.7 An integral pump located in the boilers main 3. Boiler Characteristics. hydraulic circuit circulates water through the primary 3.1 The Vizo24 / Vizo28 is a fan flued, wall-mounted heat exchanger to either the central heating circuit or condensing type combination boiler that supplies both D.H.W. -
Page 9: Operation
24/28 4. Operation details. 4.1 Using the operating switch the boiler can be set to operate either on domestic hot water only or domestic hot water and heating. Note: Domestic hot water demand draws preference over heating. During heating periods... -
Page 10: General Installation
PRACTICE LOGBOOK BEFORE LEAVING • It is important that the boiler must be used in THE INSTALLATION. conjunction with a Heat Line approved flue and all flue connections are correctly sealed. • Remember to flush out the system, both cold and hot, in order to remove the debris from the system. - Page 11 24/28 The boiler is designed to operate on fully pumped, installed on the boiler outlet in order to prevent pressurised sealed systems operating at a maximum of condensation forming inside the combustion chamber. 3bar pressure and maximum design flow temperature of Failure to comply with this requirement will invalidate the manufacturer’s guarantee.
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Page 12: Appliance Siting
24/28 6. Appliance Siting Where the boiler’s flue pipe passes through the airing space, it must be protected by a non-combustible sleeve or fire stop which has a minimum clearance of 6.1 If the boiler is to be installed in any room or 20 mm from the flue pipe. - Page 13 24/28 Figure 4 TERMINAL POSITION MINIMUM DISTANCE Directly below an openable window or other opening e.g. air brick 300 mm Below gutters, soil pipes or drain pipes 75 mm Below eaves 200 mm Below balconies or car front roofs...
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Page 14: General Flue Info
24/28 8. General Flue Info 8.1 The boiler utilises a concentric flue arrangement which consists of a 60mm-diameter inner flue and 100mm-diameter outer air inlet duct. 8.2. A standard 700+/-5mm flue kit (figure 5) is supplied with the boiler, which can be routed to the... -
Page 15: Electrical Connections
24/28 9. Electrical Connections final connection. A diagram of the boiler's electrical circuit is given as figure 9. 9.1 The boiler is supplied factory wired complete with 1.5 m of mains fly lead. All electrical connections to the mains supply must be made in full accordance with the current I.E.E. - Page 16 24/28...
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Page 17: Boiler Installation
24/28 Figure 10 Important Note. Connection to the mains electrical supply must be maintained at all times in order to provide domestic hot water, frost protection and pump over-run facility. Ensure that the boilers electrical supply is not interrupted by any external controls. - Page 18 24/28 10.3 Position the supplied template on the wall, 10.8 On installing the flue, determine the required length of the outer air duct by measuring the distance 'L' (figure ensuring it is level both vertically and horizontally 14b) from the face of the external wall to the back of (figure 11).
- Page 19 24/28 10.16 Extract the bottom part of condensate trap , by turning anti-clockwise and fill it with approximately 50 cc water re-connecting it to the boiler. (Figure b). 10.17 Connect the condensate drainage pipe to the drainage system. (Figure a) Note due to the acidic nature of the condensate the drainage system must be made of non-corrosive material such as plastic tubing.
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Page 20: Gas Supply
24/28 11. Gas Supply Do not use the safety discharge valve as the valve seat may become contaminated with debris and fail to re-seal. 11.1 The gas supply pipe must be capable of supplying the quantity of gas required by the boiler (see Technical Data, section Important Note. -
Page 21: Commissioning
14. Commissioning desired temperature settings. 14.1 The Vizo 24 & 28 boilers have been tested and pre- Important Notice. set at the factory and is dispatched with its on board controls set to provide a maximum central heating and •... -
Page 22: Onboard Adjustments
Figure 19 lock-out of the boiler. 15.7 Setting the Heating output: The Vizo 24 & 28 boilers are factory set to give maximum c/heating output. The maximum and minimum heat output for heating and domestic hot water may be adjusted, if required, using potentiometers P2 &... -
Page 23: Safety Devices
24/28 15.8 Gas valve ignition capacity. The graduated off if the pressure is below 0.3bar. The boiler will not opening of the gas valve for ignition rate is governed operate until the circuit has been re-pressurised. by the 1 potentiometer P7 control, which is factory 16.2 The temperature of the water flowing from the... -
Page 24: Routine Servicing
24/28 17. Routine Servicing 17.1 To ensure the continued efficient and safe operation of the boiler it is recommended that it is checked and serviced regularly. The servicing must be carried out by a competent person in accordance with the Gas Safety (Installation and Use) Regulations. - Page 25 24/28 17.6 Disconnect the electrical leads and air pressure switch ⇒ Insulation/gaskets connection tube from the fan, remove the fan screws and withdraw fan from fan hood with its 56º bend. (Figure 24) Important. Clean the heat exchanger using a soft brush or vacuum cleaner.
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Page 26: Component Replacement
24/28 18. Component Replacement The c/heating sensor is CAUTION! located on left side of combustion While there are no substances harmful to chamber on the outlet of health contained within this appliance, some primary heat component parts of the boiler (insulation pads, exchanger. - Page 27 24/28 Remove the electrical connections to the PCB by pulling carefully, noting the locations of all the terminals. Release the screws securing the PCB to the control panel and lift out the PCB. Fit the replacement PCB in reverse order to ...
- Page 28 24/28 Fit the replacement body in reverse order ensuring that the pump washers are sound and fitted correctly and the polarity of the electrical connections are correct. Open the isolating valves on the low and return connections, ...
- Page 29 24/28 Figure 38 Remove the exchanger from the gap on the left hand side. Figure 40 Remove the combustion chamber cover. Remove the heat exchanger by pulling forward. Fit the new heat exchanger and reassemble the ...
- Page 30 minimum settings for natural gas must be checked to ensure they are 12.7 mbar / 2.0 mbar for the Vizo 24 and 11.6 mbar / 3.5 mbar for Vizo 28 respectively. Check the gas valve settings and re-calibrated by ...
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Page 31: Figure 47
24/28 18.16 Expansion vessel the boiler and on the right handside of the primary heat exchanger (figures 48a & b) Drain the boiler’s hydraulic circuit as detailed in (18.2). Disconnect electrical connections from the thermostat. Disconnect the pipe coupling on expansion vessel ... -
Page 32: Open The Isolating Valves On Flow And Return
24/28 Release the exchanger outlet pipe nut and rotate 18.20 Filter. the pipe for easy removal of the left section of the Drain the boiler’s hydraulic circuit as detailed in hydroblock as described in section (18.13) (18.2). -
Page 33: Gas Type Conversion
24/28 Check the gas circuit for soundness and the correct operation of the boiler. Important. Attach the labels supplied as follows: o Replace the adhesive “User Instruction” label. Figure 55 o Stick the LPG label in a prominent position within the boiler. -
Page 34: Fault Finding Chart
24/28 20. Fault Finding Chart... - Page 35 24/28...
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Page 38: Appendix
24/28 Spare Parts List PART DESCRIPTION ORDER CODE HYDROBLOCK – THREE PORT VALVE 3003200017 SECTION HYDROBLOCK – PUMP SECTION 3003200018 LOW WATER PRESSURE SWITCH 3003200038 SAFETY VALVE 3003200019 PUMP 3003200022 EXPANSION VESSEL 3003200028 APPENDIX GAS VALVE 3003200419 BURNER (FOR Vizo24) -
Page 39: User Instructions
24/28 Vizo 24 / 28 Wall Mounted Combination Boiler User Instructions... -
Page 40: Natural Gas
HEATLINE™ Vizo24 / Vizo28 Condensing Combination Boilers British Gas Service Listing Vizo 24 Condensing Combination Boiler G.C.No 47-157-08 Vizo 28 Condensing Combination Boiler G.C.No 47-157-09 The HEATLINE™ range of heating boilers is manufactured from high quality materials, enabling reliability and optimum performance. - Page 41 24/28 IMPORTANT INFORMATION VENTILATION For maintenance and safety purposes, the boiler has The HEATLINE™ Vizo24 / Vizo28 is a high been installed with a minimum space of 200mm above, efficiency gas fired boiler and represents the highest 300mm below, 600mm to the front and 50mm to either level of technology found in today’s gas boiler market.
- Page 42 24/28 DOMESTIC HOT WATER AND CENTRAL ACCESS TO THE BOILER CONTROLS HEATING MODE: The Vizo24 / Vizo28 When heating demand is requested the boiler will fire boiler controls are sited automatically. An integral pump is then energised and at the bottom of the hot water from the boilers primary circuit is circulated boiler’s...
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Page 43: Boiler Controls
24/28 BOILER CONTROLS (Pressure gauge) The pointer on the gauge indicates the pressure within the boiler and central heating system and The function and operation of the main controls located on the control should, when the water is cold, read between 1 and 2 bar. -
Page 44: Frost Protection
24/28 FROST PROTECTION CLEANING The boiler has a built in frost protection device that The boiler casing may be cleaned with a damp cloth protects the boiler from freezing. If the boiler is to be followed by a dry cloth to polish. Do not use abrasive left and there is a risk of frost, ensure that the gas and or solvent cleaners. - Page 45 Heatline Nottingham Road, Belper, Derbyshire, DE56 1JT Tel: 01773 596 099 Fax: 01773 828 123 Email: sales@heatline.co.uk...
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