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Natural Gas Baxi Combi Instant 105e G.C.No 47 075 09 Baxi UK Limited is one of the leading manufacturers of domestic heating products in the UK. Our first priority is to give a high quality service to our customers. Quality is designed into every Baxi product - products which fulfil the demands and needs of customers, offering choice, efficiency and reliability.
STANDARD B.S. 6891 B.S. 5440: Pt 1 B.S. 5440: Pt 2 B.S. 5546 SCOPE Gas Installation. Flues. Air Supply. Installation of hot water supplies for domestic purposes. B.S. 7074 Expansion vessels and ancillary equipment for sealed water systems. B.S. 5449 B.S. 6798 Forced circulation hot water systems. Installation of gas fired hot water boilers.
2.0 Introduction 2.1 Introduction 1. Your Baxi Combi Instant 105e is a gas fired, room sealed, powered flue combination boiler, providing central heating for your home and mains fed domestic hot water to taps and shower. It is fully automatic and does not have a pilot light. 2. Priority is given to the hot water mode - when a hot water tap is turned on the supply of heat to the central heating circuit is interrupted. 2.2 Instant Domestic Hot Water 1.
3.0 Operating the Boiler 3.1 Operating the Boiler 1. Ensure that the electricity and gas supplies are turned on. Check that the central heating pressure is between 0.5 and 1.0 bar (Fig. 4). 6 7 8 9 2. Turn the On/Off/Reset selector switch either anti-clockwise from the off position (Fig. 6) to both central heating and domestic hot water or clockwise to domestic hot water only. 10 11 30° 40° 50° 60° 70° 80° 3. In either position the green power on indicator ( ) will illuminate (Fig. 5).
3.0 Operating the Boiler 3.2 Temperature Control 1. Central Heating: The central heating hot water flow temperature can be adjusted between 30° C (± 5° C) minimum and 85° C (± 5° C) maximum. 2. Turn the control knob clockwise to increase the temperature (Fig. 9). 3. In normal winter usage we recommend that the central heating temperature be set at maximum. 4. Domestic Hot Water Pre-Heat: To enjoy optimum performance of the boiler the pre-heat control should be set fully clockwise to the ON position (Fig.
3.0 Operating the Boiler Air Flow Monitor Neon Pump/Low Pressure Neon Safety Thermostat Neon 30° 40° 50° 60° 70° 80° 3.4 Sensor Fault Neons Safety Thermostat 1. Your Baxi Combi Instant 105e is fitted with an additional safety device, which shuts down the boiler in the event of the system or the boiler overheating. The safety thermostat neon ( ) will light in this instance (Fig. 14). 2.
3.0 Operating the Boiler Pressure Gauge 3.9 Central Heating System Pressure 2 1 3 1. The water pressure in the central heating system is indicated by the pressure gauge. 4 0 bar Fig. 18 Normal Pressure (when cold) 2. With the system cold and the boiler not operating the pressure should be between 0.5 and 1.0 bar. During operation the pressure should not exceed 2.5 bar, and will normally be between 1.0 and 2.0 (Figs. 18 & 19). 2 1 3 4 0 bar Fig. 19 3.
4.0 Clearances and Check List 450mm 5mm Min 5mm Min 4.1 200mm Min Clearances around the Boiler (Figs. 23 & 24) 1. The minimum clear spaces needed around the boiler measured from the casing are as follows: Top Bottom Both sides Front 780mm - 200mm 200mm 5mm 5mm 450mm (In Operation) (For Servicing) 2. These areas must not be obstructed in any way. Blocking the clearance spaces may result in the boiler overheating and damage may occur. 3.
5.0 Cleaning, Spares & Guarantee 5.1 Cleaning the Outercase The painted panels should be wiped with a damp cloth and then dried completely. DO NOT USE ABRASIVE CLEANING AGENTS. 5.2 Spare Parts IMPORTANT - Only a competent person should be used to service or repair this boiler. 1. Any repairs to the boiler will usually be the responsibility of the Installer during the guarantee period after which spare parts may be obtained through approved Baxi stockists if required. 2.
Baxi UK Limited manufacture a comprehensive range of products for the domestic heating market. Gas Central Heating Boilers (Wall, Floor and Fireside models). Independent Gas Fires. Renewal Firefronts. Gas Wall Heaters. Solid Fuel Fires. If you require information on any of these products, please write, telephone or fax to the Sales Department.
Comp No 248742 - Iss 1 - 2/01 After Sales Service 08706 096 096 Baxi UK Limited Brownedge Road Bamber Bridge Preston Lancashire PR5 6SN www.baxi.com 921.892.
