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The Fusion Range of Boilers
the ultimate solution for central heating
TECHNICAL MANUAL
Fusion
or visit our website www.electric-heatingcompany.co.uk
INSTALLATION
MERCURY
If you require any further assistance:
Telephone: 01698 820533
Fax: 01698 825697
E-mail: info@electric-heatingcompany.co.uk
&
COMBI
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Table of Contents
Related Manuals for EHC Fusion MERCURY COMBI
Summary of Contents for EHC Fusion MERCURY COMBI
- Page 1 The Fusion Range of Boilers the ultimate solution for central heating INSTALLATION & TECHNICAL MANUAL Fusion MERCURY COMBI If you require any further assistance: Telephone: 01698 820533 Fax: 01698 825697 E-mail: info@electric-heatingcompany.co.uk or visit our website www.electric-heatingcompany.co.uk...
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Page 2: Page Contents
Mercury Page Contents INTRODUCTION PREPARATION Combi INSTALLATION BOILER DIMENTIONS & PLUMBING SCHEMATIC COMMISSIONING ELECTRICAL CONNECTIONS AND CONTROLS BOILER INTERNAL LAYOUT CONTROL PANEL WIRING EXTERNAL WIRING BOILER WIRING 12/15 kW INTERNAL BOILER WIRING 19/26 kW USER INSTRUCTIONS ADVANCED SETTINGS FAULT FINDING TECHNICAL SPECIFICATIONS This appliance can be used by children aged from 3 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning... - Page 3 PREPARATION Instructions and Building Regulations This appliance must be fitted in accordance with the following instructions. The Local Building Regulations The Building Regulations The Building Standards, (Scotland-consolidated) Regulations. Local water bylaws. British Standards- code of practice BS EN 12828 Heating systems in buildings. Design for water-based heating systems.
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Page 4: Installation
When the boiler is fitted in hard water areas, a water softener 12. System types must be used. Note: Salt softeners must not be used to fill the The Fusion Mercury Combi Boilers can be used in various heating heating system. designs including underfloor systems. When the boiler is used with an underfloor manifold, the manifold must be of the type that 6. -
Page 5: Plumbing Schematic
BOILER DIMENTIONS & PLUMBING SCHEMATIC 406mm 150mm 260mm min. min. 60mm 60mm outlet inlet outlet inlet Width 451mm Height 690mm Depth 258mm 50mm 120mm Plumbing Schematic External Weather Sensor F - Magnetic Filter ZK - Full Bore Isolation Valves Z - Drain Valve Note: G - Radiator We don’t recommend the using single phase... -
Page 6: Filling The Heating Circuit
COMMISSIONING IMPORTANT: Make sure that all plumbing connections are tight before filling the boiler and heating system. Bleeding DHW pipework. 1. Open the DHW tap outlets one at a time. 2. Slowly open the mains Stopcock feeding the DHW circuit of the boiler, until the air has been removed from the hot water pipework, close each tap after water starts to flow. -
Page 7: Electrical Connections And Controls
External Controls is present we recommend that a Shower Sensor is installed within the We recommend the use of the EHC SINGLE system. This will cause an interrupt to the boilers control signal when CHANNEL PROGRAMMER and EHC ROOM THERMOSTAT the shower is in use. - Page 8 INSTALLATION BOILER INTERNAL LAYOUT 1 - Wall Bracket 11 - Heat exchanger 2 - Main Electrical Connection 12 - DHW flow Sensor 3 - WT3 Thermal cut-out 13 - Flow Temp Sensor 4 - PSK Controller 14 - PRV 5 - Return Temp Sensor 15 - Flow Outlet 6 - Thermal WTC3 16 - Return Inlet...
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Page 9: Control Panel Wiring
CONTROL PANEL WIRING (Volt Free) RP RP T T PUMP PUMP e e xt. Shower Sensor connection Pump Connections (Optional) (factory made) External Weather Sensor External Volt Free Call Signal (Programmer / Thermostat Note: If the weather sensor is not used it will have to be disabled in the advance settings. - Page 10 INTERNAL BOILER WIRING 12/15 kW...
- Page 11 INTERNAL BOILER WIRING 19/26 kW...
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Page 12: Control Panel
USER INSTRUCTIONS CONTROL PANEL Control Panel Key A - pressure [bar] B - flow [l/min] C - power [kW] D - temperature [°C] E - digital display F - indicator of room thermostat and heating activity (CH) G - indicator of pump and flow activity H - indicator of weather compensation controller I - inlet temperature indicator... - Page 13 USER INSTRUCTIONS 1. Start up domestic water temperature at the output (indicators J, D and 1. Check if required pressure has been set within the installation value of water flowing through the heater (indicators L and B), (see section “Technical Data”). In order to check use current power consumed by the water heater (indicators C and button when control panel is in Stand-by mode.
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Page 14: Advanced Settings
ADVANCED SETTINGS To enter Advanced settings the boiler must be in Stand-by ˚C mode. Stand-by mode is shown by a cyclic, short display of the “off” message on the display. If the controller is in winter mode 90,0 or summer mode, it must be put into Stand-by mode by holding down the power button until a long beep is heard and 80,0... -
Page 15: Fault Finding
FAULT FINDING Symptom Reason Action check parameters of power network and fuses Indicators on lack of device's power supply. control panel are off contact authorised service shift the controller to the pressure view, insufficient pressure (below 0,5 bar) increase pressure within the installation to required level (1.5bar Cold) A indicator Flashing switch the controller to pressure preview, if... -
Page 16: Technical Specifications
TECHNICAL SPECIFICATIONS MERCURY 12kW MERCURY 15kW MERCURY 19kW MERCURY 26kW Boiler range (MER12KW) (MER14,4KW) (MER19,5KW) (MER25,8KW) Pipe entry from boilers Bottom Bottom Bottom Bottom Central heating flow & return pipes 22 mm 22mm compression connections Min water pressure 1 bar Max water pressure 3 bar 6 lt. - Page 20 Electric Heating Company Ltd Unit 40, Block 5 Third Road Blantyre Industrial Estate Blantyre Glasgow G72 0UP Tel: 01698 820533 Fax: 01698 825697 www.electric-heatingcompany.co.uk (Waste Electrical & Electronic Equipment) (Applicable in the European Union and other European countries with separate collection systems).
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