Euroterm E25 Instructions For Use, Installation & Maintenance Download Page 20 | Manualshive

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Euroterm E25 Instructions For Use, Installation & Maintenance Download Page 20

© Heating and Hotwater Industry Council (HHIC)

www.centralheating.co.uk

Benchmark Commissioning and
Servicing Section

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Summary of Contents for E25

Page 1: ...cod 3541M540 Rev 01 06 2017 INSTRUCTIONS FOR USE INSTALLATION AND MAINTENANCE ...

Page 2: ...g 14 Heating symbol 15 Burner lit and actual power level flashing during combustion fault function 16 Service Tool connection 17 Water gauge Indication during operation Heating A heating demand generated by the Room Thermostat or Remote Timer Control is in dicated by flashing of the hot air above the radiator on the display The display detail 11 fig 1 shows the actual heating delivery temperature ...

Page 3: ...e boiler the above ad justments are managed according to that given in table 1 Table 1 Water system pressure regulation The filling pressure read on the boiler water gauge with the system cold must be approx 1 0 bar If the system pressure falls to values below minimum the boiler stops and fault F37 is displayed 3 INSTALLATION 3 1 General Instructions B This unit must only be used for its intended ...

Page 4: ...e system delivery and return pipes follow a path where air pockets can form in certain places it is advisable to install vent valves at these points Also type A drain cocks must be installed at the lowest points in the system to allow complete emptying B An automatic bypass with flow rate of at least 6 l min must be installed con nected as far away as possible from the boiler if radiators with the...

Page 5: ...e gas must be connected to the relevant connection see fig 29 in conformity with the current standards using a rigid metal pipe or a continuous surface flexible s steel tube and installing a gas cock between the system and boiler Make sure all the gas connec tions are tight 3 5 Electrical connections Important B The unit must be connected to an efficient earthing system in conformity with current ...

Page 6: ...he terminal length to size ensuring that the external pipe pro trudes from the wall by between 10 and 60 mm Remove the cutting burrs 5 Connect flue to the boiler positioning the seals correctly Seal the flue into the wall with silicone or sand cement and cover with wall seals provided A Flue seals should be lubricated with a silicone type grease to prevent damage grease not supplied Other coaxial ...

Page 7: ...meq No baffle C5x C3x B2x C1x max 50 cm Ø 81 Ø 81 Ø 65 Ø 87 Ø 65 041039X0 Losses in meq Air inlet Fume exhaust Vertical Horizontal Ø 80 PIPE 1 m M F 1KWMA83W 1 0 1 6 2 0 BEND 45 M F 1KWMA65W 1 2 1 8 90 M F 1KWMA01W 1 5 2 0 PIPE SECTION with test point 1KWMA70W 0 3 0 3 TERMINAL air wall 1KWMA85A 2 0 fumes wall with antiwind 1KWMA86A 5 0 FLUE Split air fumes 80 80 010027X0 12 0 Fume outlet only Ø80 ...

Page 8: ...to the disposal system fig 20 Condensate drain The condensate should be run inside as far as is practicably possible For that purpose use a pipe of at least 22 mm diameter and a trap with flexible connection supplied with the unit to facilitate connection of the condensate drain pipe The pipe must be in solvent weld plastic and not in copper since the condensate has a pH of 4 slightly acid If the ...

Page 9: ... integrity of the boiler combustion circuit and the relevant seals TEST mode activation Press the heating buttons details 3 and 4 fig 1 together for 5 seconds to activate the TEST mode The boiler lights at the maximum heating power set as described in the fol lowing section The heating and DHW symbols fig 22 flash on the display the heating power will be displayed alongside fig 22 TEST mode heatin...

Page 10: ...on system must be efficient with no leakage or obstructions The burner and exchanger must be clean and free of scale When cleaning do not use chemical products or wire brushes The electrode must be free of scale and properly positioned The gas and water systems must be leak free The water pressure in the heathing system must be about 1 bar otherwise bring it to that value The circulation pump must...

Page 11: ...pressures F07 Card parameter fault Wrong card parameter setting Check the card parameter and mod ify it if necessary A09 Gas valve fault Wiring disconnected Check the wiring Faulty gas valve Check the gas valve and replace it if necessary F10 Delivery sensor 1 fault Sensor damaged Check the wiring or replace the sen sor Wiring shorted Wiring disconnected F11 DHW sensor fault Sensor damaged Check t...

Page 12: ...et Ø 1 2 42 DHW temperature sensor 10 System delivery Ø 3 4 44 Gas valve 11 System return Ø 3 4 56 Expansion tank 14 Safety valve 81 Ignition and detection electrode 16 Fan 95 Diverter valve 19 Combustion chamber 114 Water pressure switch 22 Burner 126 Flue gas safety thermostat 27 Copper exchanger for heating and hot water 194 DHW exchanger 28 Fume manifold 241 Automatic bypass 32 Heating circula...

Page 13: ... 31 General view 5 3 Hydraulic circuit fig 32 Heating circuit fig 33 DHW circuit 277 27 19 14 36 114 81 32 11 38 37 9 39 7 44 8 42 10 95 194 22 278 28 56 16 5 126 16 277 126 56 27 14 32 38 11 10 8 9 95 241 42 114 36 194 278 16 277 126 56 27 14 32 38 11 10 8 9 95 241 42 114 36 194 278 ...

Page 14: ... 30 Hs 95 7 Hi 106 3 Hs 95 7 Hi 106 3 Burner nozzles G20 no x Ø 11 x 1 35 11 x 1 35 Gas inlet pressure G20 mbar 20 20 Max pressure at burner G20 mbar 11 13 5 Min pressure at burner G20 mbar 1 2 1 4 Nominal gas rate G20 m3 h 2 65 2 96 Minimum gas rate G20 m3 h 0 79 0 88 Burner nozzles G31 no x Ø 11 x 0 82 11 x 0 82 Gas inlet pressure G31 mbar 37 37 Max pressure at burner G31 mbar 29 35 Min pressure...

Page 15: ...ůů ůŽĂĚ ƚ ƉĂƌƚ ůŽĂĚ Ŷ ƐƚĂŶĚďǇ ŵŽĚĞ ƚĂŶĚďǇ ŚĞĂƚ ůŽƐƐ ŐŶŝƚŝŽŶ ďƵƌŶĞƌ ƉŽǁĞƌ ĐŽŶƐƵŵƉƚŝŽŶ ŶŶƵĂů ĞŶĞƌŐǇ ĐŽŶƐƵŵƉƚŝŽŶ ŽƵŶĚ ƉŽǁĞƌ ůĞǀĞů ŵŝƐƐŝŽŶƐ ŽĨ ŶŝƚƌŽŐĞŶ ŽǆŝĚĞƐ ĞĐůĂƌĞĚ ůŽĂĚ ƉƌŽĨŝůĞ tĂƚĞƌ ŚĞĂƚŝŶŐ ĞŶĞƌŐǇ ĞĨĨŝĐŝĞŶĐǇ ĐůĂƐƐ ĂŝůǇ ĞůĞĐƚƌŝĐŝƚǇ ĐŽŶƐƵŵƉƚŝŽŶ ŶŶƵĂů ĞůĞĐƚƌŝĐŝƚǇ ĐŽŶƐƵŵƉƚŝŽŶ tĂƚĞƌ ŚĞĂƚŝŶŐ ĞŶĞƌŐǇ ĞĨĨŝĐŝĞŶĐǇ ĂŝůǇ ĨƵĞů ĐŽŶƐƵŵƉƚŝŽŶ ŶŶƵĂů ĨƵĞů ĐŽŶƐƵŵƉƚŝŽŶ dƌĂĚĞŵĂƌŬ hZKd ZD ŽŶĚĞŶƐŝŶŐ ďŽŝůĞƌ z ŽǁͲƚĞŵƉĞƌĂƚƵƌ...

Page 16: ...ůů ůŽĂĚ ƚ ƉĂƌƚ ůŽĂĚ Ŷ ƐƚĂŶĚďǇ ŵŽĚĞ ƚĂŶĚďǇ ŚĞĂƚ ůŽƐƐ ŐŶŝƚŝŽŶ ďƵƌŶĞƌ ƉŽǁĞƌ ĐŽŶƐƵŵƉƚŝŽŶ ŶŶƵĂů ĞŶĞƌŐǇ ĐŽŶƐƵŵƉƚŝŽŶ ŽƵŶĚ ƉŽǁĞƌ ůĞǀĞů ŵŝƐƐŝŽŶƐ ŽĨ ŶŝƚƌŽŐĞŶ ŽǆŝĚĞƐ ĞĐůĂƌĞĚ ůŽĂĚ ƉƌŽĨŝůĞ tĂƚĞƌ ŚĞĂƚŝŶŐ ĞŶĞƌŐǇ ĞĨĨŝĐŝĞŶĐǇ ĐůĂƐƐ ĂŝůǇ ĞůĞĐƚƌŝĐŝƚǇ ĐŽŶƐƵŵƉƚŝŽŶ ŶŶƵĂů ĞůĞĐƚƌŝĐŝƚǇ ĐŽŶƐƵŵƉƚŝŽŶ tĂƚĞƌ ŚĞĂƚŝŶŐ ĞŶĞƌŐǇ ĞĨĨŝĐŝĞŶĐǇ ĂŝůǇ ĨƵĞů ĐŽŶƐƵŵƉƚŝŽŶ ŶŶƵĂů ĨƵĞů ĐŽŶƐƵŵƉƚŝŽŶ dƌĂĚĞŵĂƌŬ hZKd ZD ŽŶĚĞŶƐŝŶŐ ďŽŝůĞƌ z ŽǁͲƚĞŵƉĞƌĂƚƵƌ...

Page 17: ... losses A Boiler pressure losses 1 2 e 3 Circulating pump speed A B A B 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 35 30 25 20 15 10 5 kW mbar 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 35 30 25 20 15 10 5 kW mbar E29 MODEL E25 MODEL 0 0 5 1 1 5 2 2 5 6 5 4 3 2 1 0 A B Q l h H m H2O ...

Page 18: ...witch 42 DHW temperature sensor 44 Gas valve 62 Time clock not fitted 72 Room thermostat not fitted 81 Ignition and detection electrode 95 Diverting valve 114 Water pressure switch 126 Contact fume thermostat 138 External probe optional 139 Remote timer control not fitted 193 Trap 278 Double sensor Safety Heating 62 230V AUX 81 1kW L N 230V 50 Hz 16 N L 32 L N T T 278 T 42 4 3 2 1 44 38 114 ABM01 ...

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Page 24: ...Centre on 0843 479 0479 Calls to these numbers are charged at National Rate from BT landlines Calls made from mobile networks may be considerable more Phone numbers Installer Service Engineer BECAUSE OF OUR CONSTANT ENDEAVOUR FOR IMPROVEMENT DETAILS MAY VARY SLIGHTLY FROM THOSE QUOTED IN THESE INSTRUCTIONS ALL SPECIFICATIONS SUBJECT TO CHANGE Please note to avoid incurring unnecessary expense in t...

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