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No.1 Choice Electric Boiler Collection years2 Leaders in the electric heating and hot water industry Innovative heating and hot water specialists, The Electric Heating Company, have developed their product portfolio to accommodate almost any Central Heating and Hot Water requirement. From the comprehensive Comet Electric System Boiler to the space saving SlimJim Electric Flow Boiler our product knowledge and Technical assistance is unrivalled in the Heating and Hot Water industry. Our products have been designed with both the installer and homeowner in mind and as such all the controls used with our products are contemporary and user friendly. We can supply a choice of Boiler Packs and our Electric Combination Boiler for a complete Heating & Hot Water installation. The Electric Boiler, Cylinder and Controls are all included within our exclusive packages. EHC are renowned for always putting the customer first and have won National Customer Service Awards in recognition of our efforts. yearsFAQ’s when installing an Electric Boiler 4-5 Comet Combination Unit 6-9 Comet Electric Boiler 10-11 Comet Electric Boiler Direct Cylinder Packages 12-13 Comet Electric Boiler Indirect Cylinder Packages 14-15 Comet Electric Boiler Pre-Plumbed Indirect Cylinder Packages 16-17 Comet Boiler Schematics 18-19 Comet 3 Phase Electric Boiler 20-21 SlimJim Electric Boiler 22-23 SlimJim Electric Boiler Direct Cylinder Packages 24-25 SlimJim Electric Boiler Indirect Cylinder Packages 26-27 SlimJim Electric Boiler Pre-Plumbed Indirect Cylinder Packages 28-29 SlimJim Boiler Schematics 30-31 Accessories & Controls 32-33 Neptune Cylinders 34-35 From initial enquiry to completed order we believe in focusing our attention on Customer Care. The personnel at The Electric Heating Company are approachable, very experienced and committed to ensuring you have the best available options when choosing your products. Our Products are specified on many Contracts throughout the UK and our customer base includes Social Landlords, Private Landlords, Developers, Homeowners and the general Heating Trade. In addition to our product catalogues our websites contain Installation & Technical Manuals, Energy Information and a host of relevant details relating to our products. You can also view our informative product videos from the website. EHC offer an Accredited Heating Contractors scheme that operates throughout the UK. For more information call us on 01698 820533 for advice, brochures, technical information or alternatively visit our website at www.electric-heatingcompany.co.uk 34 When Installing an Electric Boiler • Electric Boilers are 100% efficient therefore there is no requirement to oversize the appliance • If an efficient Direct Cylinder is present within the property install the Boiler for Heating only • Heat Loss calculations should be made in accordance with the latest regulations • Most 1, 2 & 3 bedroom properties are generally suitable for an Electric Boiler • Properties with a high hot water demand are better suited to an Indirect Cylinder with an ‘S’ Plan configuration • When installing an Electric Boiler always ensure that the incoming electrical supply is sufficient for the Boiler Output • To accommodate “Off-Peak” electricity tariffs it is recommended that a Programmer with a facility for 3 On/Off periods is installed • Electric Boilers are suitable for both Volt Free, Hard Wired and Wireless Thermostats and Controls • If the property has an electric shower it is advisable that a Shower Flow Sensor or Relay Interrupt is installed to prevent the Electric Boiler and Electric Shower operating at the same time • Electric Boilers require no mandatory annual maintenance • Electric Boilers have no flue requirements • EHC offer 3-Phase Electric Boilers that are suitable for light commercial purposes such as; offices, factory units, pubs, etc.5 The Electric Boiler Specialists Installation is quicker than a gas system The wiring of an Electric Boiler is the same as an Electric Shower Electric Boilers can be used for Open Vented Systems Can be used as back-up for Heat Pumps Standard radiators and valves can be used with Electric Boilers EHC Electric Boilers have a soft start to avoid power surges Electric Boilers are almost silent when operating Electric Boilers emit no noxious fumes or gases Can be used with underfloor heating systems EHC only use and recommend High Efficiency ErP Smart Pumps 56 Boiler 2 year guarantee Stainless Steel Cylinder 10 year guarantee Comet Combination Unit 1745mm 580mm 630mm The Comet Electric Boiler Combination Unit offers the comfort and convenience of wet central heating and domestic hot water for domestic properties with no access to mains gas. Inbuilt Programmer ErP Hot Water Control ErP Smart Pump Weather Compensation Latest Features Include Weight 107kg D C It is a fully controllable 24/7 packaged unit housed in an elegant enclosure and is available in 9kW, 12kW or 14.4kW Outputs with an internal 140 Litre Duplex Stainless Steel Hot Water Cylinder. The Boilers internal plumbing is configured to an ‘S’ Plan design that also has an in-built magnetic filter for added protection and includes pre-plumbed Expansion Vessels for both the Heating and Domestic Hot Water circuits. Supplied with an external Tundish and Domestic Hot Water Control Valve and a fully programmable Controller and Wireless Room Thermostat to provide full control of both the Central Heating and Domestic Hot Water. Tank Cleansing Feature (Anti Legionella) Optional Solar DHW PV Connection Wireless Thermostat7 Available in 9kW, 12kW & 14.4kW outputs Full Power Modulation Stainless Steel Heat Exchanger with Automatic Air Vent High Temperature Thermal Cut-Out Digital Pressure Gauge In Built Weather Compensation Integral Programmer with system diagnostics Wireless Thermostat Included ErP Smart Pump 100% Efficient Magnetic Filter 140 Litre Duplex Stainless Steel Cylinder ErP Smart Hot Water Control System T&P Relief Valve DHW & HTG Zone Valves Drain Point Optional Immersion Heater or Solar PV Heater Inbuilt Programmer Tank Cleansing feature Comet Combination Unit FeaturesStainless Steel Cylinder & System Features The Boilers inbuilt controller “Navigation Button” gives you easy access to the boilers settings by simply scrolling through the menu. There are various pre-set times that can be easily adjusted to suit your heating & domestic hot water requirements. For ease of installation a Wireless Room Thermostat is supplied which can be located anywhere within the property. The unit has In-built Weather Compensation which will automatically modulate and reduce the Boilers input temperature in relation to the external temperature which reduces Boiler cycling and could save up to 15% energy usage. A further energy saving measure would be to add our optional Titanium PV Immersion heater to the Cylinder which when connected to a Solar PV diverter will automatically start heating the cylinder within the unit. 8 Domestic Hot Water Expansion Vessel High Temperature Thermal cut-out Tundish Control Panel Pressure Sensor Connection for Backup Immersion Heater or Solar PV Heater Central Heating Expansion Vessel Zone Valves Automatic Air Vent Stainless Steel Heat Exchanger Magnetic Filter ErP Smart Pump 140 litre Stainless Steel Cylinder Drain Valves Domestic Hot Water Cold Mains Inlet Tundish Central Heating Return Central Heating Flow Top Entry Plumbing Connections9 Comet Combination Unit Technical Information 9kW12kW14.4kW Electrical supply 240V - 50Hz Load currentAmp38 5060 Minimum permitted Cable diametermm²10 1616 Circuit protectionAmp50 6380 Primary system pressure relief valve settingBar3.0 Primary system operating pressure (min)Bar1.0 Thermal cut-out°C100 Expansion vesselCapacity 12L - pre-charged 1.5 Bar Outlet flow temperature°C30 to 85 Primary circulating pumpGrundfos UPM3 or Wilo-Para 15/7 iPWM Safety valveBarOpening pressure: 3 Bar Hydraulic connections22mm 17° to 55° Hot Water Recovery Time44mins36mins29mins 17° to 65° Hot Water Recovery Time72mins56mins45mins Heating outputBTU307094094549134 Space heating ERPD Maximum water supply pressureBar10 Cylinder operating pressure (secondary)Bar3 Cylinder operating pressure (primary max)Bar2.5 Cylinder operating pressure (secondary max)Bar5.5 Expansion relief valve setting (secondary)Bar6 Thermostat°C30 to 70 Tank capacityltr140 Temperature-pressure valve95°C/6Bar TP 152 - 1/2 Expansion vessel12ltr3 Bar (charge pressure) Hydraulic connectionsCopper pipe ø 22 x 1 Optional immersion heater3000w240volt Net Weightkg106.8 Gross Weightkg246 Dimensionsmm1745(h) x 580(w) x 630(d) Cylinder ERPC CYLINDER DETAILS OPTIONAL EXTRAS EHC Shower Flow Sensor Back-up Immersion Heater Solar PV Immersion HeaterNext >