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2

1.

SERVICING INSTRUCTIONS

1.1

R

EPLACEMENT OF

P

ARTS

1.2

T

O

G

AIN

G

ENERAL

A

CCESS

- Lowering the control panel and removing the front panel
- Removing the side panels

1.3

A

CCESS TO THE

C

OMBUSTION

C

HAMBER

- Removing the sealed chamber front cover
- Removing the fan
- Removing the burner
- Removing the electrodes
- Removing the heat exchanger inspection panel
- Removing the condensate collector
- Removing the condensate trap
- Removing the injector

1.4

A

CCESS TO THE

G

AS

V

ALVE

- Removing the gas valve

1.5

A

CCESS TO THE

W

ATER

C

IRCUIT

- Removing the D.H.W. (secondary) exchanger
- Removing the safety valve
- Removing the automatic air vent
- Removing the main circuit flow switch
- Removing the diverter valve actuator
- Removing the D.H.W. flow switch
- Removing the pump
- Removing the pressure gauge
- Removing the expansion vessel
- Removing the D.H.W. temperature sensor (N.T.C.)
- Removing the C.H. flow temperature sensor (N.T.C.)
- Removing the C.H. return temperature sensor (N.T.C.)

1.6

A

CCESS TO THE

C

ONTROL

S

YSTEM

- Checking the fuses
- Removing the time clock
- Removing the P.C.B.s

2.

FAULT FINDING

2.1

F

AULT

F

INDING

G

UIDE

(F

LOW

-

CHART

)

3.

ELECTRICAL DIAGRAMS

4.

SHORT SPARE PARTS LIST

TABLE OF CONTENTS

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Содержание eco Genius 24MFFI

Страница 1: ...Installation Instructions Type C Boilers G C N 41 116 03 47 116 17 LEAVE THESE INSTRUCTIONS WITH THE END USER Condensing Country of destination GB 275...

Страница 2: ...ATION 1 1 GENERAL INFORMATION Read the instructions and recommendations in these Installation Instructions carefully to ensure proper installation use and maintenance of the appliance Keep this manual...

Страница 3: ...rk regs 1989 Installation should also comply with the following British Standard Codes of Practice 2 INSTALLATION 2 1 REFERENCE STANDARDS Low pressure pipes BS 6891 1988 Boilers of rated input not exc...

Страница 4: ...ovision of an adequate flue and termination For unusual locations special procedures may be necessary BS 6798 1987 gives detailed guidance on this aspect A compartment used to enclose the appliance mu...

Страница 5: ...size Pipes of a smaller size than the boiler inlet connection should not be used 5 275 In order to allow for access to the interior of the boiler for maintenance purposes the boiler must be installed...

Страница 6: ...serted by at least 50 mm into a suitable acid resistant pipe e g plastic waste or overflow pipe The condensate discharge pipe must have a continuous fall and preferably be installed and terminated wit...

Страница 7: ...ght occur on buildings in the vicinity In cold or humid weather water vapour may condense on leaving the flue terminal The effect of such steaming must be considered If the terminal is less than 2 met...

Страница 8: ...the initials TA and connect the cables 5b To connect up the outdoor sensor insert the cables into the G clamp marked with the initials SE 6 Return the grommet E to its initial position then close bac...

Страница 9: ...alve secondary pump 2 10 3 ACCESSORY CONNECTION TERMINAL BLOCK 2 10 2 REMOTE CONTROL CONNECTION Refer to the illustrations in section 2 10 1 1 Unscrew the screws A and rotate the control panel forward...

Страница 10: ...t closed N I not inserted contact open NOTE it is essential that the operations involving setting of the jumpers be carried out only with the device turned off 10 275 The P C B is fitted with 2 fuses...

Страница 11: ...put 4 Not connected C5 REMOTE CONTROL Bus Bus 1 Input output 1 2 Input output 2 C6 SENSOR CONNECTOR 1 Domestic hot water flow switch grey 2 Main circuit flow switch grey 3 Under floor heating thermost...

Страница 12: ...lowly each draw off tap and close it only when clear water free of bubbles is visible GAS SUPPLY Inspect the entire installation including the gas meter test for soundness and purge all as described i...

Страница 13: ...s loosened the system pressure is at least 1 bar on the pressure gauge 3 4 INITIAL START UP 3 2 REMOVING THE CASING To disassemble the front casing panel follow these steps 1 Unscrew the screws A 1 4...

Страница 14: ...the room thermostat temperature sensor ON OFF Room thermostat not installed contact closed jumper Timer installed contact open or closed controlled by the timer settings entered by the user Timer not...

Страница 15: ...ilding PROCEDURES AND PRACTICAL EXAMPLES If the building is always cold under all external temperature conditions and therefore in all seasons the steps to take are as follows The curve must be transl...

Страница 16: ...is therefore possible to lower the temperature that the P C B calculates in relation to the values provided by the outdoor sensor by a quantity decided by the user for night time operation To do this...

Страница 17: ...It is possible to set the ignition delay by adjusting the potentiometer with a screwdriver The values that may be selected range from 0 to 15 min The delay has been set at 15 minutes in the factory T...

Страница 18: ...ctions accessed when the RESET button is pushed for 5 seconds The boiler is protected from malfunctioning by means of internal checks by the P C B which brings the boiler to a stop if necessary In the...

Страница 19: ...system flow return temperature difference must be below 20 C In order for a successive attempt at ignition to be carried out the system must register that once every 2 hours the flow return temperatur...

Страница 20: ...rry out the gas regulation in accordance with point 4 3 in keeping with the thermal power requested Domestic hot water Heating Domestic hot water Heating A B C 4 3 GAS REGULATION 4 3 2 REGULATION OF T...

Страница 21: ...the value here Value from table l min Identify the volumetric rate of flow at the gas meter and compare it with that of the table Differences greater than 5 are not allowed contact the Authorised Serv...

Страница 22: ...anically remove the residues Use of detergents soak the blades well allow the detergent to act for about 20 minutes rinse with a strong jet of water to remove the deposits the control panel must be ke...

Страница 23: ...hot water system Place the boiler in operation If necessary release the air again from the heating system Check the settings and the correct functioning of all the control regulation and monitoring p...

Страница 24: ...ater Side T 20 C mbar 200 Residual Head of System 60 80 C bar 0 2 Maximum Heating Pressure bar 3 Maximum Water Content in System l 130 Expansion Vessel Capacity l 7 Expansion Vessel Pre load Pressure...

Страница 25: ...Servicing Instructions Type C Boilers G C N 41 116 03 47 116 17 LEAVE THESE INSTRUCTIONS WITH THE END USER Condensing Country of destination GB...

Страница 26: ...s valve 1 5 ACCESS TO THE WATER CIRCUIT Removing the D H W secondary exchanger Removing the safety valve Removing the automatic air vent Removing the main circuit flow switch Removing the diverter val...

Страница 27: ...and dismantle the front part of the casing proceed as follows 1 Unscrew screws A 1 4 turn only FIG 1 1 FIG 1 2 and rotate the control panel forward 2 Unscrew the screws B FIG 1 3 and unhook the front...

Страница 28: ...panel away from the boiler then lift the panel up and away from the boiler 1 3 ACCESS TO THE COMBUSTION CHAMBER D FIG 1 5 D FIG 1 4 C C C C D D Removing the sealed chamber front cover 1 Remove the sc...

Страница 29: ...n 1 Loosen nut E FIG 1 7 2 Pull off the hose F and disconnect the electrical connector G FIG 1 8 3 Remove the nuts H FIG 1 9 4 Pull the fan away from the exchanger FIG 1 10 FIG 1 10 E FIG 1 9 FIG 1 7...

Страница 30: ...J I J Removing the electrodes 1 Pull off the ignition cable I FIG 1 12 2 Remove the two allen bolts J FIG 1 13 3 Extract the electodes FIG 1 14 FIG 1 12 FIG 1 11 FIG 1 14 Removing the combustion chamb...

Страница 31: ...ollector FIG 1 17 2 Remove the nuts M from each side of rear of the collector FIG 1 18 3 Release the condesate trap union N FIG 1 19 4 Separate the collector from the combustion chamber FIG 1 20 5 Rem...

Страница 32: ...Removing the injector See the section on removing the fan before carring out this procedure 1 Disconnect all connections from the fan and remove FIG 124 2 Remove the four screws P FIG 125 3 Unscrew t...

Страница 33: ...9 FIG 1 26 FIG 1 27 Q...

Страница 34: ...ng the gas valve 1 Disconnect the electrical connection R from the gas valve FIG 128 2 Release the top nut S FIG 1 29 3 Remove the screws T from the bottom of the gas valve pipe FIG 1 30 4 Remove the...

Страница 35: ...screw U FIG 1 32 2 Remove the screw V FIG 1 33 3 Push the exchanger towards the rear of the boiler lift upwards and remove from the front of the boiler FIG 1 34 4 Before replacing the exchanger ensure...

Страница 36: ...ove the main circuit flow switch FIG 1 37 FIG 1 38 FIG 1 40 X Y B1 Z A1 FIG 1 41 Removing the diverter valve actuator 1 Unplug the electrical connector Z FIG 1 41 2 Release the retaining clip A1 and r...

Страница 37: ...13 Removing the pump 1 Unplug the electrical connection C1 FIG 1 44 2 Release the nut D1 FIG 1 45 3 Release the nut E1 FIG 1 46 4 Remove the pump FIG 1 47 E1 D1 C1 FIG 1 44 FIG 1 47 FIG 1 46 FIG 1 45...

Страница 38: ...1 51 2 Loosen nut I1 and remove backnut J1 FIG 1 52 3 Remove the expansion vessel FIG 1 53 Removing the pressure gauge 1 Release coupling F1 FIG 1 48 2 Ease the pressure gauge G1 through the control...

Страница 39: ...55 M1 FIG 1 56 Removing the C H flow temperature probe N T C 1 Remove the electrical connector M1 by pulling off Fig 1 56 2 Unscrew and remove the C H flow temperature probe N1 FIG 1 57 O1 P1 FIG 1 5...

Страница 40: ...CCESS TO THE CONTROL SYSTEM Removing the time clock 1 Remove the inspection cover on the reverse of the control panel FIG 1 60 2 Lower the time clock door FIG 1 62 3 Unplug the electrical connection R...

Страница 41: ...e T1 FIG 1 68 6 Unplug the electrical connectors U1 from the main P C B Fig 1 69 7 Remove the main P C B mounting screws V1 four in total FIG 1 70 8 Remove the main P C B FIG 1 71 9 Remove the display...

Страница 42: ...18 W1 FIG 1 72 FIG 1 73 W1 W1 W1...

Страница 43: ...n Flow temperature 50 C Flow temperature 40 C Flow temperature 50 C NO COMFORT OFF NO COMFORT OFF YES NO YES NO NO YES NO YES YES YES D H W IS BEING DRAWN D H W IS BEING DRAWN YES NO MUST THE TIME CLO...

Страница 44: ...east 5 C below the one selected The C H flow temperature is lower than 80 C and the temperature of the cylinder is at least 5 C below the one selected ON green L E D on cylinder excluded ON green L E...

Страница 45: ...ration 3 Check the pressure on the water gauge and fill system to 1 bar 1 Check pump cable 2 Check replace main P C B Release replace pump Push the RESET button POWER TO THE PUMP YES YES IS THE MAIN C...

Страница 46: ...SPARKS ARE GENERATED REGULARLY YES NO NO YES YES NO 1 Check the power supply of the gas valve 2 Check for an air pressure signal 3 Check the gas pressure on the burner 4 Check the soft light adjustme...

Страница 47: ...Flame detected with gas valve closed Error in the electrical connection live and neutral crossed Problem with the 50Hz power supply Flame detection electrode short circuited Heating return temperature...

Страница 48: ...f the secondary output clasp connected to C7 positions 1 9 relates to a secondary pump optional If the contact remains open the output signal controls a zone valve optional JUMPER 6 not used JUMPER 7...

Страница 49: ...hermostat grey 4 Heating flow sensor grey 5 Heating return sensor grey 6 Domestic hot water sensor grey 7 Not used jumper 8 Outdoor sensor grey 9 Domestic hot water flow switch grey 10 Main circuit fl...

Страница 50: ...26 ecoGENUS 24 MFFI ecoGENUS 24 RFFI...

Страница 51: ...100 28 45 37 37 102 11 10 9 7 8 7 81 81 80 17 15 23 25 24 22 16 18 78 79 20 84 83 16 17 86 84 85 19 21 14 8 13 12 77 66 57 65 58 64 57 107 108 106 105 104 103 94 96 93 91 90 76 3 3 6 8 7 92 58 60 61...

Страница 52: ...Gasket 3 4 Temperature probe C H W Motor 3 way valve Fixing clip motor Flow group Gas valve Micro switch set main flow D H W Return group Manual vent cock Safety valve 1 2 3 bar Gasket 1 2 Time clock...

Страница 53: ...2 31 29 96 97 37 34 98 29 46 38 38 100 25 26 21 24 21 21 22 80 79 80 83 82 8 16 15 67 58 66 59 65 58 105 106 104 103 102 101 92 94 89 88 86 76 3 3 6 8 87 59 61 62 69 7 74 72 64 75 68 71 73 70 3 3 3 3...

Страница 54: ...379 079 E24 077 Expansion vessel Gasket 3 4 Temperature probe C H W Motor 3 Way valve Fixing clip motor Flow group Gas valve Gasket 1 2 Return group Manual vent cock Safety valve 1 2 3 bar Time clock...

Страница 55: ...31...

Страница 56: ...Italy Commercial subsidiary MTS GB LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Internet http www mtsgb ltd uk E mail info mtsgb ltd uk Te...

Страница 57: ...SPARE PARTS EXPLODED VIEW GAS WALL BOILERS Models ECOGENUS 24 RFFI SYS Edition 1 of 1 December 1999...

Страница 58: ...67 58 66 59 65 58 105 106 104 103 102 101 92 94 89 88 86 76 3 3 6 8 87 59 61 62 69 7 74 72 64 75 68 71 73 70 3 3 3 3 93 60 60 60 84 95 99 9 7 8 7 19 17 18 20 18 19 7 7 78 10 11 13 14 85 90 91 12 77 8...

Страница 59: ...998747 Control knob kit 30 998661 Door instruction time clock 31 997207 Time clock 32 998772 On off push button kit 33 998779 Control panel front 34 998751 Button reset 35 999073 Cover display 36 9987...

Страница 60: ...792 Cap trap filling 89 998412 Pipe drain plastic 90 564254 Auto air vent 91 998459 Electrode cable resistive 92 998787 Condensate tray aluminium 93 998808 Gasket adhesive 10x5 mm 94 998784 Fixing nut...

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