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. 6.90

6.5.11. Removing the C.H. Flow Temperature

Probe (N.T.C.)

1. Remove the C.H. flow temperature probe “C6” by

pulling off (Fig. 6.90);

2. Remove the electrical connection from the C.H. flow

temperature probe “C7” (F

. 6.91).

. 6.92

. 6.93

6.5.12. R

EMOVING THE

C.H. R

ETURN

EMPERATURE

ROBE

(N.T.C.)

1. Remove the C.H. return temperature probe “C8” by

pulling off (Fig. 6.92);

2. Remove the electrical connection from the C.H. return

temperature probe “C9” (F

. 6.93).

. 6.91

Содержание ecoCOMBI 27 MFFI

Страница 1: ...Country of destination GB Installation and Servicing Instructions Type C Boilers G C N 47 116 23 41 116 08 LEAVE THESE INSTRUCTIONS WITH THE END USER SERIES...

Страница 2: ...XCHANGER 5 3 CLEANING THE CONDENSATE TRAP 5 4 OPERATIONAL TES 6 SERVICING INSTRUCTIONS 6 1 REPLACEMENT OF PARTS 6 2 TO GAIN GENERAL ACCESS 6 2 1 REMOVING THE SIDE PANELS 6 3 ACCESS TO THE COMBUSTION C...

Страница 3: ...ance check that the information shown on the data plate and the table on the last page comply with the electric water and gas supply of the property You will find the data plate on the reverse of the...

Страница 4: ...estic Hot Water temperature probe 14 Automatic by pass 15 Secondary heat exchanger 16 Gas valve 17 Diverter valve 18 Domestic Hot Water flow switch 19 Drain valve 20 Circulation pump with automatic ai...

Страница 5: ...a solid permanent wall to prevent access to the electrical parts when live through the aperture on the back frame 2 2 SITING THE APPLIANCE 5 The technical information and instructions provided herein...

Страница 6: ...the clearance requirements indicated in the diagram below 2 4 MINIMUM CLEARANCES 100 F LEGEND A Central Heating Flow 3 4 B Domestic Hot Water Outlet 1 2 C Gas Inlet 3 4 D Domestic Cold Water Inlet 1...

Страница 7: ...supply is available both to the boiler and the other appliances when they are in use at the same time Pipe work must be of an adequate size It should not be less than 22mm to within 1 metre of the boi...

Страница 8: ...protects the main heat exchanger in case of reduced or interrupted water circulation through the heating system due to the closing of thermostatic valves or cock type valves within the system SYSTEM D...

Страница 9: ...mporary method for initially filling the system and replacing lost water during servicing and initial filling in accordance with Water Supply Byelaw 14 is provided as an integral part of the connectio...

Страница 10: ...n opening window 300 N Fixed by vertical flue terminal A BC D E F G J K HI L G F M N N FIG 2 6 2 9 FLUE CONNECTIONS FLUE SYSTEM The provision for satisfactory flue termination must be made as describe...

Страница 11: ...3 2 then proceed as follows 1 Remove the service cover on the control panel FIG 2 8 2 Pierce the grommett M1 FIG 2 9 and pass any cables for the external controls through before connecting to the tern...

Страница 12: ...VG CI OP P r o g h m Day 7 8 9 10 11 1213141516 FS FI MV NTC1 NTC2 NTC3 A B C D E F G H I I I I J K K L M N O R S S T P Q Q O LEGEND A JUMPER When needed the P C B allows the different options to be...

Страница 13: ...m heating output regulation PR E Soft light regulation RLA F ON OFF Operating mode selector knob G Central Heating temperature adjustment H Domestic Hot Water temperature adjustment I Relay J Transfor...

Страница 14: ...oor heating thermostat grey 4 Heating flow sensor grey 5 Central Heating return sensor grey 6 Domestic Hot Water sensor grey 7 Not used jumper 8 Outdoor sensor grey 9 Domestic Hot Water flow switch gr...

Страница 15: ...encer 8 Condensate discharge tube 9 Gas valve 10 Pressure gauge 11 Safety valve 12 Secondary heat exchanger 13 Domestic hot water temperature probe 14 Drain valve 15 Domestic hot water flow switch 16...

Страница 16: ...sure gauge 10 Pump pressure switch 11 Safety valve 3 bar 12 D H W priority valve Optional extra 13 Non return valve integral to Jig Kit 14 Filling loop integral to Jig Kit 15 Indirect cylinder expansi...

Страница 17: ...cock supplied with the connection kit Open slowly 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 tes...

Страница 18: ...Central Heating Temperature Adjustment Knob D Time Clock Optional for ecoSYSTEM E Heating System Pressure Gauge F Programming key G Programming key H Reset Button I Multifunction Display J COMFORT Fun...

Страница 19: ...for a short while check the system pressure and if it has gone down fill it with water until it returns to 1 bar 2 Check the flue system for products of combustion 3 Fill the boiler condensate trap wi...

Страница 20: ...ed the message that appears will depend on the current operating mode of the boiler Important Parameters d n and F are only enabled when the outdoor sensor is connected 20 3 5 DISPLAY MESSAGES SHOWN D...

Страница 21: ...perature taking into account the external temperature and the type of system The microprocessor is capable of doing this because it is possible to establish a link between the external temperature and...

Страница 22: ...eys F and G select a value between 0 and 12 depending how much the night time temperature is to be lowered Test Function t t The P C B allows the boiler to be forced to the maximum or minimum power En...

Страница 23: ...st safety shut off see section 3 7 Last shutdown see section 3 7 3 6 2 SETTINGS DISPLAY To return to the normal display press the H reset key repeatedly until all the sequence of readout functions hav...

Страница 24: ...neously on the control panel Ensure the CO2 value on the analyser corresponds with the value indicated in table 4D If this is not the case adjust screw 2 with a screwdriver after removing the cap unti...

Страница 25: ...tes The value set can be displayed as illustrated in paragraph 3 6 2 To access the potentiometer C Fig 3 14 open the control panel as illustrated in paragraph 3 2 and open up the service flap Fig 3 13...

Страница 26: ...rectly produced by drawing hot water Check the rate of flow and or temperature of the water depending on the case Check that the condensate drips without difficulty into the discharge 3 7 Gas Changeov...

Страница 27: ...to operation only if reset by pressing the button H located at the centre of the display There follows a list of the shutdown modes and the respective codes shown on the display Shutdown A A type if...

Страница 28: ...the water that comes out in a container Empty out from the lowest points of the system where provided If the system is to be left active in areas where the room temperature may go below 0 C during wi...

Страница 29: ...possible set up for the first type of system is as follows 4 ZONE VALVES CR remote control VZ1 2 zone valve 1 and 2 TA room thermostat or timer thermostat radiators F N electrical connection live and...

Страница 30: ...see section 1 3 Check that the exhaust passages between the blades of the block are free if there are deposits present wash the blades with compressed air water or a vinegar based detergent NOTE it i...

Страница 31: ...l panel and dismantle the front part of the casing proceed as follows 1 Unscrew screws A FIG 6 1 and rotate the control panel forward 2 Unscrew the screws B FIG 6 2 FIG 6 3 and unhook the front panel...

Страница 32: ...ll each panel away from the boiler then lift the panel up and away from the boiler 6 3 ACCESS TO THE COMBUSTION CHAMBER FIG 6 5 FIG 6 4 C C D D Removing the sealed chamber front cover 1 Remove the scr...

Страница 33: ...ctor E FIG 6 7 2 Disconnect the compensation tube F FIG 6 8 2 Unscrew the three screws G FIG 6 9 3 Pull the fan away from the mixing tube FIG 6 10 4 Unscrew the screws H FIG 6 11 and remove the silenc...

Страница 34: ...e nuts J FIG 6 13 3 Remove mixing tube FIG 6 14 4 Slide the burner from its housing FIG 6 15 FIG 6 17 L K L 6 3 3 REMOVING THE ELECTRODES 1 Pull off the ignition cable K FIG 6 16 2 Remove the two alle...

Страница 35: ...el FIG 6 20 6 3 5 REMOVING THE HEAT EXCHANGER 1 Remove the two nuts N FIG 6 21 6 22 2 Pull off the ignition cable FIG 6 23 3 Loosen the two nuts O FIG 6 24 4 Unscrew the two screws P FIG 6 25 5 Unscre...

Страница 36: ...36 FIG 6 24 O FIG 6 25 FIG 6 26 O P P FIG 6 27 FIG 6 28 P Q...

Страница 37: ...remove the trap from the boiler FIG 6 33 3 Remove the condensate trap FIG 6 34 6 35 FIG 6 32 Fig 6 33 Fig 6 34 6 3 6 REMOVING THE CONDENSATE COLLECTOR 1 Open the clamp and remove the condensate trap...

Страница 38: ...Remove mixing pipe FIG 6 12 6 13 2 Remove the fan unscrew the screws T FIG 6 36 6 37 3 Unscrew the injector U using a suitable screwdriver FIG 6 38 4 Remove the injector FIG 6 39 Fig 6 35 Fig 6 36 Fi...

Страница 39: ...OVING THE GAS VALVE 1 Disconnect the electrical connection V from the gas valve FIG 6 40 2 Release the top nut W FIG 6 41 3 Remove the screws X from the bottom of the gas valve pipe FIG 6 42 4 Remove...

Страница 40: ...NDARY EXCHANGER 1 Remove the screws Y FIG 6 44 3 Push the exchanger towards the rear of the boiler lift upwards and remove from the front of the boiler FIG 6 45 6 46 4 Before replacing the exchanger e...

Страница 41: ...FI 1 Loosen union A1 Fig 6 49 2 Unscrew and remove the valve Fig 6 50 FIG 6 50 FIG 6 49 A1 6 5 2 REMOVING THE AUTOMATIC AIR VENT ECOCOMBI 27 MFFI 1 Remove the U clip A2 FIG 6 51 2 Unscrew valve FIG 6...

Страница 42: ...H ECOCOMBI 27 MFFI 1 Remove the electrical connections A4 FIG 6 56 2 Unscrew and remove FIG 6 57 FIG 6 56 FIG 6 57 6 5 3 REMOVING THE AUTOMATIC AIR VENT ECOSYSTEM 27 RFFI 1 Unscrew valve A3 FIG 6 54 2...

Страница 43: ...taining clip A7 and remove the diverter valve actuator FIG 6 61 3 Unscrew the two screws A8 FIG 6 62 4 Remove the actuator A9 FIG 6 63 6 64 FIG 6 61 A8 FIG 6 62 FIG 6 58 FIG 6 59 6 5 4 REMOVING THE PU...

Страница 44: ...5 6 REMOVING THE D H W FLOW SWITCH 1 Unplug the electrical connector B1 FIG 6 65 2 Unscrew the four screws B2 FIG 6 66 3 Remove the D H W flow switch FIG 6 67 FIG 6 65 FIG 6 66 A9 FIG 6 63 A9 FIG 6 6...

Страница 45: ...45 6 5 7 REMOVING THE PUMP ECOCOMBI 27 MFFI 1 Unplug the electrical connection B3 FIG 6 68 2 Unscew the four scews B4 FIG 6 69 3 Remove the pump FIG 6 70 6 71 FIG 6 68 FIG 6 69 FIG 6 71 FIG 6 70 B3 B4...

Страница 46: ...EMOVING THE PUMP ECOSYSTEM 27 RFFI 1 Unplug the electrical connection B5 FIG 6 72 2 Remove the U clip B6 FIG 6 73 3 Remove the slide plate B7 FIG 6 74 4 Unscew the screw B8 under the boiler FIG 6 75 5...

Страница 47: ...ough the control panel from the rear FIG 6 80 3 Remove the pressure gauge FIG 6 81 FIG 6 78 FIG 6 79 FIG 6 80 FIG 6 81 6 5 8 REMOVING THE PRESSURE GAUGE ECOSYSTEM 27 RFFI 1 Ease the pressure gauge thr...

Страница 48: ...cal connector C4 by pulling off Fig 6 88 2 Unscrew and remove the D H W temperature probe C5 FIG 6 89 C5 FIG 6 88 FIG 6 89 6 5 9 REMOVING THE EXPANSION VESSEL 1 Loosen nut C2 FIG 6 85 2 Loosen nut C3...

Страница 49: ...2 Remove the electrical connection from the C H flow temperature probe C7 FIG 6 91 C9 FIG 6 92 FIG 6 93 6 5 12 REMOVING THE C H RETURN TEMPERATURE PROBE N T C 1 Remove the C H return temperature prob...

Страница 50: ...the inspection cover on the reverse of the control panel FIG 6 94 2 Unplug all the electrical connections FIG 6 96 3 Unscew the screws D2 FIG 6 97 4 Remove the facia panel FIG 6 98 5 Unscrew the scre...

Страница 51: ...THE TIME CLOCK 1 Open the control panel see the paragraph Removing the P C B s 2 Unplug the electrical connection from the time clock and unscews the four scews FIG 6 103 3 remove the time clock FIG 6...

Страница 52: ...ture 50 C Flow temperature 40 C Flow temperature 50 C NO COMFORT OFF COMFORT OFF NO COMFORT OFF 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 TH...

Страница 53: ...he 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 D on cylinder excluded NO NO YES YES YES NO OFF green L E D off cylinder active O...

Страница 54: ...switch operation 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...

Страница 55: ...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 56: ...05 82 96 96 111 126 21 70 69 81 80 79 78 63 13 15 17 58 59 11 8 7 6 58 97 58 58 35 36 37 34 38 32 46 43 42 40 39 45 57 98 301 302 303 304 304 24 25 26 27 28 29 30 31 49 128 84 92 95 85 5 41 109 107 10...

Страница 57: ...essure gauge Flow switch D H W Pump motor Motor 3 way valve Printed circuit board main Time clock Printed circuit board display Seal combustion chamber 10x6 5 pieces Flexible pipe condensate tray cond...

Страница 58: ...22 24 25 27 26 29 28 30 31 49 58 76 95 79 56 57 92 76 94 93 91 90 76 67 68 28 73 45 42 66 6 17 14 17 23 62 59 64 65 80 63 78 60 58 85 87 84 61 32 96 17 97 71 70 67 69 72 5 77 703 651 673 650 651 704 6...

Страница 59: ...trap upper O Ring condensate trap Condensate trap lower Temperature probe C H clips Drain valve Gasket 3 4 Safety valve 1 4 3 bar Gasket 1 4 Low water pressure switch Gas valve Sigma 848 Auto air vent...

Страница 60: ...r at maximum mbar 20 20 Inlet Pressure Liquid Gas G30 G31 boiler at maximum mbar 30 30 Residual Discharge Head mbar Pa 0 95 94 0 95 94 Maximum Head Loss on Water Side T 20 C mbar 200 200 Residual Head...

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