Electric Heating Company EHCCOM12KW, Installation And Technical Manual

Page 1: ...ate solution for central heating INSTALLATION TECHNICAL MANUAL 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 3: ...er leaks into the boiler All plumbing joints must be checked The warranty card must be completed and sent back to The Electric Heating Company as soon as possible for registration An internal Magnetic Filter is fitted to the Boiler and it must be cleaned at least annually Note Failure to clean the Magnetic Filter may result in boiler shutdown Warranty calls will not be covered for this repair This...

Page 4: ...ovide an adequate fixing and should be fitted in a location that the boiler and pipe work are not subject to frost and damp conditions 3 Central heating design installation Detailed recommendations are given in BS EN 12828 2003 BS 6700 2006 A1 2009 and CP 342 2 1974 Pipes forming part of the useful heating surface should be insulated to prevent any potential heat loss or frost damage BS 6700 1997 ...

Page 5: ...Btu s should be made to the space heating calculation 7 Insulation Where practical and if at all possible we recommend that all pipe work be insulated in particular the primary pipe work with in a boiler cupboard This is to reduce heat loss and reduce high cupboard temperatures from exposed pipe work BS 6700 2006 A1 2009 8 System Design The boiler has an integral automatic bypass valve fitted whic...

Page 6: ...rculating Pump 6 Safety Temperature limiter 7 Return connection 8 Flow connection 9 Power Board 10 Control Module 11 Automatic Vent 12 Expansion Vessel and connection 13 By pass Valve 14 Magnetic Filter PF Internal mains phase connections from the PN connection block PN Incoming mains cable connection block WP Electric cable access M Boiler fixing points RP Room Thermostat volt free connection ...

Page 7: ...re all drain cocks are fully open and that the system is completely drained 2 Add Fernox Heavy Duty restorer through the header tank or via filling loop at the recommended dose One bottle must be used as a minimum per dwelling If you are unsure of the cor rect dose rate contact Fernox 3 Re fill the system and circulate the Heavy Duty Restorer prior to the boiler being fired up then commission the ...

Page 8: ...8 GB 031C f 347 Temporary Filling Loop Mains Water Supply Temporary Filling Loop Mains Water Supply INSTALLATION Figure 5 Figure 4 ...

Page 9: ...DANCE WITH CURRENT IEE BS7671 WIRING REGULATIONS ALL ELECTRICAL CONNECTIONS MUST BE MADE BY A QUALI FIED TRADESPERSON A load check should be carried out to ensure that there is a sufficient current and voltage for the intended boiler installation Consideration should be taken into account with regard to the remainder of the properties load requirements All boilers must be protected at the meter po...

Page 10: ...led sys tems At this point the main power may be switched on At this stage you may carry out the cleansing and protection of the system Refer to the installation section of this manual See page 7 Programmer Stat Connections The boiler PCB has a voltage free connection for the controls RP NA Under no circumstances should 240V be connected to these controller block connections as this will damage th...

Page 11: ...11 GB 031C f 347 EHC SELECT 107XL PROGRAMMER TLX4101 ROOM THERMOSTAT CONTROL CONNECTIONS CONTROL CONNECTIONS EXTERNAL CONTROL WIRING Figure 8 Figure 9 ...

Page 12: ...r connection Optional Figure 10 SAFETY NOTE RP Tzas and NA are signal conductors only DO NOT CONNECT ANY VOLT AGE to these as this will damage the boiler and invalidate the boilers warranty Tzas connections not used ZTD connections not used Room Thermostat ...

Page 13: ...13 GB 031C f 347 EXTERNAL BOILER WIRING BOILER DIMENSIONS Figure 11 Return Inlet Flow Outlet Figure 12 ...

Page 14: ...n external boiler interrupt active P Pump Indicator on pump is active proper flow rate of water has been reached Flickers lack of flow or insufficient flow rate of water heating elements are off Temperature Indicator Red light Boiler is in heating mode Green light Boiler temperature has been reached in radiators A Indicator flickers water pressure is not sufficient below 0 5 bar F When boiler is i...

Page 15: ...e amount of kW energy being used by the boiler at any point in time then press the button a number of times until only indicator C is illuminated and then read the figure on the digital display 2 7 When indicator H is illuminated the pump is running 3 Temperature Setting We recommend the boiler temperature be set to 650 C Raise or lower the temperature in your installation with the buttons on the ...

Page 16: ...available at Pump head if power available replace as necessary If power not available check fuse on Controller Module and replace if necessary Flow sensor not operating Check the flow sensor and replace as necessary G indicator is flashing but boiler digital display operating NA connection open circuit Ensure NA connection is closed or if using external control e g Shower Sensor that this is worki...

Page 17: ... flow return pipes 22 mm Min water pressure 1 bar Max water pressure 3 bar Expansion vessel 6 lt Maximum system water volume about 60 litres at initial system pressure 1 5 bar Vessel charge pressure 1 5 bar Safety Class IP22 Dry weight 25kg Electrical supply 230V 1ph 50Hz 415V 3ph 50Hz Load current 26 0 Amp 39 1 Amp 52 2 Amp 62 6 Amp 3 x 34 8 Amp Recommended diameter of mains cable 10mm 16mm 10mm ...

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