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INSTALLATION

europa

--- Installation & Servicing

23 FUNCTIONAL FLOW DIAGRAM

europa 224, europa 228, europa 232

Programmer

Room

thermostat

Main
control pcb

Ignition pcb

Fan

Air pressure switch

CH flow

switch

DHW flow

switch

Pump

DHW temp. probe

Ignition

electrodes

Detection

electrode

CH temp. probe

Three way

div. valve

30 31

120

122

101

102

103

104

105

Gas Valve

(modulation coil)

119
118
117

108

106

107

110

109

bk bu bn

Safety

thermostat

Gas Valve

(on--- off operators)

113

114

115

111
112

P.C.B. #1

P.C.B. #2

bn = brown

bu = blue

bk = black

wh = white

rd = red

gy = grey

gn = green

ye = yellow

vt = violet

og = orange

gnye = green/yellow

24 EXTERNAL ELECTRICAL CONTROLS

Wiring external to the boiler MUST be in accordance with the

current I.E.E. (BS.7671) Wiring Regulations.
For Ireland reference should be made to the current ETCI

rules for electrical installations.
The fuse rating should be 3A.
Route the electrical supply flexible cord and the external

control flexible cord as illustrated.

Lock the flexible cords in place with the clamps provided.

230V supply

ELECTRICAL CONNECTIONS FOR A

COMBI BOILER

Programmer

For the models

europa 224

europa 228

and

europa 232

digital programmer kit is fitted with its relevant instructions

included with the boiler.

Note: the switch contacts of any external programmer,

room or frost thermostat must be volt free.

Connecting a switched live feed to external controls

terminal block may be dangerous and will result in

serious damage to the boiler.

Room Thermostat

This should be wired as shown in diagrams A.

Frost protection

Central heating systems fitted wholly inside the house do not

normally require frost protection as the house acts as a

‘storage heater’ and can normally be left at least 24 hours

without frost damage.
However, if parts of the pipework run outside the house or if

the boiler will be left off for more than a day or so then a frost

thermostat should be wired into the system.

To maintain frost protection with the programmer selector

switches set to OFF, all the controls MUST be left in the

running position.
The frost thermostat should be sited in a cold place but where

it can sense heat from the system.

Содержание Europa 224

Страница 1: ...17962 1094 1 1405 64A4 GB 1796210941 For details of document amendments refer to page 3...

Страница 2: ...2 europa Installation Servicing...

Страница 3: ...n changes implemented in this book from Mod Level 4204 to 1405 F Page 53 to 55 The Installer Notification Guidelines Benchmark Commissioning Checklist and Service Interval Record have been added Carad...

Страница 4: ...iciency SEDBUK Band D 78 2 Band D 78 3 Band D 79 4 NOx classification Class 3 Class 2 Class 3 The value is used in the UK Government s Standard Assessment Procedure SAP for energy rating of dwellings...

Страница 5: ...d signing the Benchmark log book BENCHMARK COMMISSIONING CHECKLIST DETAILS Boiler Page Make and model 5 Appliance serial no on data badge 13 SEDBUK No 4 Controls Time and temperature control to heatin...

Страница 6: ...to 20mm However 200mm must be available for servicing Front clearance The minimum front clearance when built into a cupboard is 50mm 2 from the cupboard door However 450mm 17 3 4 overall clearance is...

Страница 7: ...be carried out in accordance with the relevant requirements of the F Gas Safety Installation and Use Regulations F The appropriate Building Regulations either The Building Regulations The Building Reg...

Страница 8: ...is adjusted at the factory for use with the relevant supply gas A working gas pressure equal to that stated in Table 1 MUST be available at the boiler inlet Where applicable the appliance can be conve...

Страница 9: ...ing pipework and MUST be used for pipework carrying potable water Any soldered joints on potable water pipework MUST NOT be made with solder containing lead Ancillary pipework not forming part of the...

Страница 10: ...ressure is excessive a pressure reducing valve shall be used to facilitate filling When installing the filling connection provided with the boiler an additional WRAS approved valve must be fitted to t...

Страница 11: ...temperature in individual rooms should also be fitted with a room thermostat controlling the temperature in a space served by radiators not fitted with such a valve as stated in BS5449 Such an arrang...

Страница 12: ...ntral heating flow cock 8 By pass valve 9 Central heating CH return cock 10 3 bar pressure relief valve 11 Gas cock 12 Expansion vessel 13 Gas valve inlet pressure tap 14 Modulating gas valve 15 Burne...

Страница 13: ...Main circuit drainage cock 12 Auto air vent 13 Pump 14 Ignition pcb 15 3 bar pressure relief valve 16 Return manifold 17 DHW flow switch 18 Right hand panel 19 Boiler front panel 20 Appliance data ba...

Страница 14: ...pipe 100 mm 4 J Flue pipe 60 mm 2 3 8 with terminal grille assembly K Band L Turret air pipe gasket M Flue pipe gaskets 2 off N Boiler turret gasket O Flue turret P Self tapping screws 4 8x13 4 off Q...

Страница 15: ...efer to Table 7 for models europa 224 europa 228 Table 8 for model europa 232 For the correct use of the restrictors with vertical roof kit 80 125 mm refer to Table 9 for models europa 224 europa 228...

Страница 16: ...ce MUST be measured from the centreline of the flue duct air duct connection to the end of the flue outlet grille air inlet duct For each additional 45 M F and 90 M F flue bend used the maximum permis...

Страница 17: ...ounting plate screw position b Extended the centre line as shown Mark the flue ductcentre from the corner see diagram and template Note mark the centre of the hole as well as the circumference 4 Remov...

Страница 18: ...move the lower packaging Remove the front and side panels refer to frame 21 and strip off the protective coating The panels may be placed to one side and re fitted when the installation is complete Fi...

Страница 19: ...socket may alternatively be used The fuse rating should be 3 A For external controls wiring see frame 24 Note the switch contacts of any external programmer room or frost thermostat must be volt free...

Страница 20: ...on device gnye gnye bu gnye gy rd bu wh rd bu rd bu bn bu bn bn bu bn bu bk bn bu 3 1 2 rd bu bn bn gnye gnye gnye gnye gnye gnye gnye gnye gnye bu bn bn bu rd rd wh bu rd bu rd rd gy bn bu bu bu bn b...

Страница 21: ...gnye gy rd bu wh rd bu rd bu bn bu bn bn bu bn bu bk bn bu 3 1 2 rd bu bn bn gnye gnye gnye gnye gnye gnye gnye gnye gnye bu bn bn bu rd rd wh bu rd bu rd rd gy bn bu bu bu bn bu gy rd gnye ye wh gnye...

Страница 22: ...l supply flexible cord and the external control flexible cord as illustrated Lock the flexible cords in place with the clamps provided 230V supply ELECTRICAL CONNECTIONS FOR A COMBI BOILER Programmer...

Страница 23: ...G Legend A Appiance On lamp B Domestic hot water temperature control C Main switch and radiator temperature control D Boiler reset button E Lock out signal lamp F Programmer G System pressure and temp...

Страница 24: ...k 3 Remove the gauge and close the pressure test point D 4 Open the burner pressure test point E and connect the gauge 5 Remove the protection cap from the mechanical pressure adjustment components B...

Страница 25: ...erature of approximately 35 C rise is obtained at the tap This corresponds to a flow rate of about 10 0 2 2 l min gpm europa 224 11 6 2 6 l min gpm europa 228 13 1 2 9 l min gpm europa 232 d Turn off...

Страница 26: ...tention to the Lighting Instruction label affixed to the inside of the lower front door 3 Explain and demonstrate the lighting and shutting down procedures 4 The operation of the boiler and the use an...

Страница 27: ...operation 4 Run the boiler and check the percentage of CO and CO2 in the flue gasses at the sampling point indicated in the following drawing Air intake sampling point Exhaust gas sampling point Note...

Страница 28: ...gas service cock and disconnect the electricity supply 2 Remove the screws A and lift off the boiler front panel A A 3 Loosen the screws B 4 Bring the base of the panels away from the boiler and lift...

Страница 29: ...de 3 8 europa 224 europa 228 4 mm 5 32 Ignition Detection Male Female 10 mm Burner blades 3 8 10 mm 3 8 europa 232 9 Check that the spark and detection electrodes leads are in good condition and renew...

Страница 30: ...B A B 4 Disconnect the pipe which connects the venturi device to the air pressure switch 5 Unscrew the screws C and remove the clamp D C D F If the right clearance is at least 50 cm 20 6 Unscrew the 3...

Страница 31: ...lectrical supply 2 Remove outer and inner casing refer to frame 33 3 Open the combustion chamber and disconnect the electrodes leads 4 Remove the burner Refer to frame 34 5 Undo the screws that hold t...

Страница 32: ...ration of the boiler Gas manifold Injectors Burner 43 OVERHEAT THERMOSTAT REPLACEMENT 1 Remove outer and inner casing refer to frame 33 For models europa 228 and europa 232 remove the screw A and the...

Страница 33: ...6 Screw in the new sensor using a new gasket reconnect and re assemble in reverse order CH thermistor DHW thermistor Drainage cock 45 GAS VALVE ON OFF OPERATOR COILS REPLACEMENT Check 1 Disconnect the...

Страница 34: ...rame 21 6 Squeeze the tabs D to release the temperature pressure gauge E and remove it 7 Re assemble in reverse order C B E D A 48 EXPANSION VESSEL REPLACEMENT If the CH expansion vessel is faulty the...

Страница 35: ...rew the 3 screws E and remove the fan E E F 7 Re assemble in reverse order If the right clearance is less than 50 cm 20 6 Remove the combustion chamber lid see frame 34 7 Remove the 3 screws F and rem...

Страница 36: ...nection not used 52 PUMP REPLACEMENT COMPLETE 1 Disconnect the electrical supply 2 Remove the front and right hand side casing panels refer to frame 33 3 Release system pressure by opening the main ci...

Страница 37: ...ropa 224 europa 228 or europa 232 boiler The numbers refer to the marking printed on the circuit board 1 2 3 4 5 6 7 8 9 Important When re assembling the electronic control p c b 10 Fit the p c b into...

Страница 38: ...correct wiring connectors on the switch N O do not use C Looking through the switch box B it is possible to verify the position of the spindle C C Boiler OFF Pump operating 56 CH FLOW SWITCH MEMBRANE...

Страница 39: ...ning ensure that all the electric parts and wiring are dry and do not touch other electric parts during the following operations 3 Hold the flow switch sensor and bring the ring in contact with the se...

Страница 40: ...unscrew the connection I 9 Move the pipe J downwards freeing it from the heat exchanger connection G H I J 10 Remove the heat exchanger by sliding it forwards 11 Re assemble in reverse order 60 DHW H...

Страница 41: ...of the boiler 4 Release system pressure by opening the main circuit drainage cock Do not release CH pressure using the pressure relief valve It may cause debris within the system to foul the valve 5...

Страница 42: ...ng diagram in frame 22 for the correct wiring connection 6 Replace the panels and check the operation of the new programmer 64 CH DRAIN COCK REPLACEMENT 1 Disconnect the electrical supply 2 Remove fro...

Страница 43: ...ure probe The following table gives a summary of the relationship between each of the possible lamp combinations and their meaning Normally operating boiler CH operation DHW operation Frost protect op...

Страница 44: ...at Also that all services are on and the selector switch is set to heating Is the green LED on front facia flashing 1 Second on 1 Second off Is the green LED on front facia flashing4 times per second...

Страница 45: ...ilers only Continued below Repair or replace faulty wiring Is the continuity of the modulator harness O K Repair faulty gas valve Repair faulty PCB 1 When a DHW tap is opened and the DHW temperature i...

Страница 46: ...no no no no yes yes yes yes yes yes yes yes Check resistance of DHW thermistor Is it between 12 kW and 1 5 kW Check resistance of CH thermistor Is it between 12 kW and 1 5 kW Are LED2 and LED 3 flashi...

Страница 47: ...n Rectify gas supply fault Is there 17 mbar at the gas valve inlet Is there 230V at Black and Blue at gas valve harness connector on PCB 2 Repair or replace faulty wiring Is there 230V at pin 11 Brown...

Страница 48: ...no no no no no yes yes yes yes yes Is the resistance of the detection electrode assembly 5W from tip to connector no Is the polarity of the mains correct Replace faulty detection lead assy Rectify el...

Страница 49: ...ed Replace faulty PCB 1 Is LED 1 flashing and LED 2 and LED 3 on Switch to on position Is there 230V at pin 101 PCB 2 Repair or replace faulty wiring Is there continuity of the Air Pressure Switch har...

Страница 50: ...24 kW models 11 6 L min 28 kW models 13 1 L min 32 kW model Rectify gas supply fault Is there 17 mbar gas pressure at the gas inlet Is there 11 7 mbar 10 5 mbar for europa 232 burner pressure when th...

Страница 51: ...713 Main heat exchanger O rings mod europa 224 1 173238 H03 715 Main heat exchanger O rings mod europa 228 europa 232 1 173240 5 E90 627 Gas valve gaskets 1 172611 6 H03 699 Fan mod europa 224 1 1732...

Страница 52: ...ropa 224 europa 228 1 172531 H05 183 Detection electrode mod europa 232 1 173500 27 E69 243 Window glass rubber frame 1 170977 28 169 141 1 2 flat gasket 3 075514 29 169 033 3 4 flat gasket 4 075415 3...

Страница 53: ...erson s SELF CERTIFICATION SCHEME BUILDING CONTROL Contact your relevant Local Authority Building Control LABC who will arrange an inspection or contact a government approved inspector LABC will recor...

Страница 54: ...ER MANUFACTURER S INSTRUCTIONS THE SYSTEM CLEANER USED THE INHIBITOR USED GAS RATE BURNER OPERATING PRESSURE IF APPLICABLE CENTRAL HEATING FLOW TEMPERATURE CENTRAL HEATING RETURN TEMPERATURE m3 hr ft...

Страница 55: ...ARD SERIAL No COMMENTS SIGNATURE DATE SERVICE 3 ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE DATE SERVICE 4 ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No CO...

Страница 56: ...ineers and system specifiers For details of courses please ring 01482 498 432 Manufactured for the seller Aldwych House 81 Aldwych London WC2B 4HQ The boiler manufacturer pursues a policy of continuin...

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