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EHC Fusion E10 Combi Series, Installation And Technical Manual, Page: 30 / 33

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EHC Fusion E10 Combi Series Installation And Technical Manual Download Page 30

EHC 

Fusion E10 Combi

–

Installation and technical manual

Page 30

17.

Trouble Shooting/Cont.

SYMPTOM

REASON

SOLUTION

No heating to radiators

Possible programmer 
settings

Low boiler pressure

Check programmer is set for desired 
time settings
Pressurise to 1.5 bar

No heating and hot 
water

Poor flow rate 

System must have a minimum of 5 
Lpm to operate (press right arrow 
key on boiler until L/min is eliminated 
this will show you system flow rate.

Poor flow rate 

Possible chocked 
magnetic filter

If filter is clean !

Close isolation valves and clean 
filter.

Replace boiler flow sensor

Flashing boiler control 
panel

Inlet/ outlet sensor fault

Press right arrow key until blue circle 
is illuminated at top of control panel if 
an (E) is shown replace inlet sensor 
(follow same procedure for red circle. 
(outlet sensor)

Power to boiler but front 
boiler control panel 
blank!

Possible boiler overheat

Check overheat cut outWT3
If brass pin is out, turn of main power 
to boiler and reset ( a firm push is 
require to reset WT3 you will feel it 
click into position ) 

Boiler continually cutting 
out on WT3

Possible power board fault

1-Reset WT3, 
2-Turn power on to unit. 
3-Switch programmer off, 
4- check for power to main heat 
exchanger (6 brown cables on LHS 
of terminal strip within boiler
5- if power is found on any 
connection REPLACE power board.

Summary of Contents for Fusion E10 Combi Series

Page 1: ...ted Cylinder is a controlled service as defined in the latest edition of the building regulations The relevant regulations are England and Wales Building Regulation G3 Scotland Technical Standard P3 N Ireland Building Regulation P5 After installation the Benchmark log table on page X must be completed and left with the householder for future reference The Electric Heating Company Ltd Unit 40 Block...

Page 2: ...torage handling unpacking 4 4 Contents Check List 5 5 Key Components 6 6 Technical Specifications 7 7 Installation Siting 9 8 Installation Plumbing 10 9 Installation Discharge arrangement 12 10 Installation External pipework schematic 14 11 Installation Central Heating pipework 15 12 Installation Electrical 17 13 Commissioning General 21 14 Commissioning Programmer Setting 23 15 Commissioning Fusi...

Page 3: ...egulations in force at the time of installation The Fusion E10 Combi s Domestic Hot Water Cylinder is of the UNVENTED type Its installation is subject to Building Regulation G3 England and Wales Technical Standard P3 Scotland or Building Regulation P5 Northern Ireland Installation must be carried out by a competent person The Fusion E10 Combi electric central heating boiler must be installed into ...

Page 4: ... product and the handling instructions applied to the packaging If using a handling device eg a sack barrow to manually move the Fusion E10 Combi trucking must be done from the rear to avoid damage to the outer panels The Fusion E10 Combi should be lifted and handled by two persons Handholds are provided in the top rear panel and underneath at the front of the Fusion E10 Combi assembly to aid lift...

Page 5: ...ion and technical manual Page 5 4 Contents check list The following components are supplied in the bag at the front of the Fusion E10 Combi cabinet Please check that all parts are present and available before commencing installation ...

Page 6: ...e relief outlet 11 Programmer cable 12 Domestic hot water outlet 13 Central heating pressure relief outlet 14 Magnetic filter 15 Zone valves 16 Immersion Heater 17 Cold main 18 Central heating return 19 Central heating flow 1 Control Panel 2 Over heat cutout 3 Automatic air vent 4 Heating elements 5 Copper heat exchanger 6 Printed circuit board 7 Voltage free control connections 8 Circulation pump...

Page 7: ...Amps CH Max temp setting Factory setting 85 C 55 60 C CH Min temp setting 40 C 25 C CH Overheat protection 100 C Pump included Yes Recommended pump setting Maximum CH Flow and Return pipes 22mm Domestic Primary connections 22mm Min Water Pressure 1 0 Bar 3 0 Bar Max Water Pressure 3 0 Bar 7 0 Bar Expansion Vessels 8 litre 12 litre Back up immersion heater 3 0 kW Performance 150 litre 9 kW 12 kW 14...

Page 8: ...ical manual Page 8 6 Technical specifications Cont _________________ Dimensions 150 litre 180 litre Dry weight 96 kg 104 kg Full weight 250 kg 290 kg Dimensions 1470 x 574 x 750 mm 1620 x 574 x 750 mm 200mm 50mm 20mm 500mm Recommended Clearance ...

Page 9: ...work and controls Care must be taken when lifting this unit A two man lift is recommended Hand holds are provided in the case at the top rear and bottom front of the unit Removing the panels For installation the front door and top panel cab be removed 1 Door B is secured by two spring clips at point C There are two locating studs for door at point D To remove apply light force at edge around point...

Page 10: ... regarded as the minimum The maximum recommended mains pressure for the inlet control set is 16 bar Consideration should be given to upgrading existing 15mm cold mains pipework to a larger size if the recommended minimum pressure flowrate is not being achieved Cold mains pipework Example 1 Run the cold main pipework to where the Fusion E10 Combi unit is to be installed Take care not to run the col...

Page 11: ...ead of connecting them to the cold main If the control set supplied with your fusion E10 combi unit is of the two part type it can be split into its two main assemblies Site the pressure reducing valve immediately after the incoming cold mains stopcock typically under the kitchen sink All outlets in the house will be set to 3 bar and thus automatically balancing the system The expansion relief val...

Page 12: ...in the same space as the unvented hot water storage system and be fitted as close as possible and within 500mm of the safety device e g the temperature relief valve The discharge pipe D2 from the tundish should terminate in a safe place where there is no risk to persons in the vicinity of the discharge be of metal and A Be at least one pipe size larger than the nominal outlet size of the safety de...

Page 13: ...on can be traced reasonably easily The single common discharge pipe should be at least one pipe size larger than the largest individual discharge pipe to be connected If unvented hot water storage systems are installed where discharges from safety devices may not be apparent i e in dwellings occupied by blind infirm or disabled people consideration should be given to the installation of an electro...

Page 14: ...Unit side View Central Heating Pressure Relief Outlet Central Heating Flow Central Heating Return Cold Feed Hot Water Temp Pressure Relief Outlet Pressure Reducing set Tundish Mains Water Connection This must not be fixed pipe work The use of a filling loop will be required and disconnected after use Drain Off for Cyl Min 300mm Drain Valve to be fitted at lowest point Isolator ...

Page 15: ...bylaws must be observed System Design As the Fusion E10 boiler is of low water content an open circuit must be achieved at all times The Fusion E10 Combi has an internal automatic bypass valve fitted which should be set to 8 l m when all thermostatic radatior valves are closed Allowances should made for a system bypass radiator This radiator should be installed in the same room as the TLX 4101 roo...

Page 16: ...d be more beneficial to the cleansing process especially if excess flux was used 4 Drain and flush the system thoroughly to remove the cleaning chemical and debris present This is a crucial part of the cleansing process and must be done correctly Use a rinse test meter TDS such as the Fernox CTM The reading must be within 10 of the mains ppm value 5 Once the system has been cleansed thoroughly the...

Page 17: ...nents The control power supply cable exits the boiler on the left hand side this cable must be connected and protected via a 3 amp fused spur and wired so that when the main power to the boiler is removed the control circuit is isolated When other high current devices are installed within the same property eg electric showers we recommend that our flow sensor should be installed interrupting the v...

Page 18: ...EHC Fusion E10 Combi Installation and technical manual Page 18 12 Installation Electrical Cont 1 Fusion boiler mains power supply 2 TLX4101 Room Thermostat supplied Volt free connections from thermostat ...

Page 19: ...EHC Fusion E10 Combi Installation and technical manual Page 19 12 Installation Electrical Cont 3 Combination Unit Control Wiring ...

Page 20: ... debris that may have been flushed through the main supply pipe Filling the sealed system primary circuit 1 The primary system must be flushed in accordance with BS 7593 and the manufacturer s instructions supplied Failure to to do this will invalidate warranty 2 Connect the Filling Loop and tighten connections 3 Check all radiator valves are in the open position 4 Open the Filling Loop isolating ...

Page 21: ... supplies to the fusion boiler At this stage the boiler will automatically run the system pump Ensure that all air has been removed from pump 2 Switch on power supply to external control circuit 3 Select desired times for heating and hot water on the twin channel programmer as per instructions on page 23 It is beneficial to set the program around the Economy 10 tariff where possible 4 Switch twin ...

Page 22: ...r s instructions The heating will not work if the room thermostat has switched the heating off And if you have a hot water cylinder the water heating will not work if the cylinder thermostat detects that the hot water has reached the correct temperature The unit is designed to eliminate the possibility of accidental changes to your programme Buttons normally visible only affect your set programme ...

Page 23: ... to run mode if a period of 5 minutes passes without any buttons being pressed Changing programme times The built in programmes for Central heating and Hot water can be easily changed to better suit your needs To change the Central Heating programme press SET until the radiator icon flashes in the screen and 1 ON appears This indicates the time shown on the display is the first ON time Change this...

Page 24: ...rt again press the reset button using a non metallic tool to re load the default programmes then press any button to clear the DIP switch configuration code The unit should revert to time setting mode ready for programming Using Advance This function is only available when programme is in AUTO or ALL DAY operating modes To advance central heating Press the Central Heating ADV button on the left by...

Page 25: ...event of a mains supply failure the back up battery ensures the programmer continues to keep time and retain your stored programme The screen will go blank but will return when power is restored Resetting the programmer Press the reset button with a non metallic pointed tool to restore the built in programme plus the time and date The display will then show the current state of the configuration s...

Page 26: ...ump will operate every day for 15 minutes This protects the boiler and the central heating system from being blocked and silted up Temperature Setting We recommend boiler temperature to be set to 65 C Raise and lower the temperature in your installation with the use of the switches and Refer to the diagram below to learn how to adjust the right temperature to make the boiler work comfortably and e...

Page 27: ...open When the green light flashes the NA connection is open na should always have link installed When RED light is on the boiler is operating When GREEN light is on boiler temperature has been achieved Indicator F Set Temperature Indicator D Return Temperature When this indicator flashes the return temperature sensor is faulty Indicator E Flow Temperature When this indicator flashes the flow tempe...

Page 28: ...n relief valve on the inlet control set and allow water to flow for 5 seconds Release and make sure it resets correctly Repeat with the pressure temperature relief valve In both cases check that the discharge pipework is carrying the water away adequately If not check for blockages etc and clear WARNING THE WATER DISCHARGED MAY BE VERY HOT Check that any immersion heaters fitted are working correc...

Page 29: ...heck pressure reducing valve If continual expansion PRV may be damaged If intermittent Set pressure reducing valve to 3 bar Check PRV and replace if required Check expansion vessel pressure when cold re pressurise if required Check if balanced supply is required when using mixer taps showers etc possible back feed Water discharging from temperature relief valve System has overheated Check if backu...

Page 30: ...oiler flow sensor Flashing boiler control panel Inlet outlet sensor fault Press right arrow key until blue circle is illuminated at top of control panel if an E is shown replace inlet sensor follow same procedure for red circle outlet sensor Power to boiler but front boiler control panel blank Possible boiler overheat Check overheat cut outWT3 If brass pin is out turn of main power to boiler and r...

Page 31: ...EHC Fusion E10 Combi Installation and technical manual Page 31 18 Benchmark Service Record______________________ ...

Page 32: ...ess Steel Cylinder 25 years Fusion Slimline electric Boiler 2 years DHW Expansion Vessel 5 Years All other valves fittings and electrical parts 2 Years Please note that invoices for servicing may be requested to prove that the unit has been serviced annually All the components fitted to or supplied with the E10 Combi carry a 2 year guarantee EXCLUSIONS THE GUARANTEE DOES NOT COVER the effects of s...

Page 33: ...EHC Fusion E10 Combi Installation and technical manual Page 33 ...

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