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Vaillant ecoTEC plus 937, Инструкция по эксплуатации и обслуживанию, Страница: 1 / 64

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Instructions and maintenance instructions

ecoTEC plus 937

Gas fired wall hung high efficiency boiler 

with layered storage tank

VUI

GB

For the heating engineer

Содержание ecoTEC plus 937

Страница 1: ...Instructions and maintenance instructions ecoTEC plus 937 Gas fired wall hung high efficiency boiler with layered storage tank VUI GB For the heating engineer...

Страница 2: ...tallation of the flue gas system 20 4 7 Fitting the appliance hanging bracket 20 4 8 Mounting the combination boiler 20 4 9 Removing the front case 21 4 10 General instructions concerning the heating...

Страница 3: ...ply 43 7 5 Checking filling pressure of the expansion vessel of the combination boiler 44 7 6 Checking filling pressure of the expansion vessel of the shift load storage tank 44 7 7 Re commissioning t...

Страница 4: ...e part number of the unit can be obtained from the identification plate 1 3 General notes The ecoTEC plus 937 is designed for use in a closed cen tral heating system and is comprehensively tested in t...

Страница 5: ...of New Hot Water Heating Boilers Fired by Liquid or Gaseous Fuels Ef ficiency directive Directive 73 23 EEC of the Commission with revi sions Directive Concerning Electrical Operating Equipment for U...

Страница 6: ...ssible total excess pressure central heating 3 0 bar Volume of water circulating T 20 K 1204 l h Approximating condensation water volume at 50 C Feed 30 C Return 2 9 l hr Pump head 250 mbar Minimum wa...

Страница 7: ...1 Dimensions ecoTEC plus 937 1 Heating return pipe 22 mm 2 Cold water connection 15 mm 3 Gas connection 22 mm 4 Hot water connection 15 mm 5 Heating flow pipe 22 mm 6 Hanging bracket 7 Flue hole flue...

Страница 8: ...1 2 3 4 5 7 8 Fig 2 2 Dimensions shift load storage tank 1 Heating return pipe 22 mm 2 Cold water connection 15 mm 3 Gas connection 22 mm 4 Hot water connection 15 mm 5 Heating flow pipe 22 mm 6 Hang...

Страница 9: ...3 Function elements combi unit 1 Expansion vessel combi boiler 2 Air intake pipe 3 Compact thermal module 4 Ignition electrode 5 Fan 6 Diverter valve with built in automatic adjustable bypass 7 pump 8...

Страница 10: ...sel 6 Operating display 7 Secondary heat exchanger 8 Automatic air vent 9 Pump 10 Pressure relief valve 11 Diverter valve 12 Gas valve 13 Fan 14 Compact thermal module 15 Shift load storage tank elect...

Страница 11: ...hority Build ing Regulations The Building Regulations Scotland The Building Regulations Northern Ireland and the rel evant recommendations of the following British Stand ards BS 6700 Services supplyin...

Страница 12: ...ocation for the combi boiler and shift load storage tank must permit proper connection of the flue gas system to the combi boiler In addition there must be sufficient space for maintenance work and ai...

Страница 13: ...sives etc can contain substances of this type which can cause corrosion in the flue gas system in the worst case even if the unit is operated as an open vent appliance Particularly in hairdressing sal...

Страница 14: ...ge TN9 1TB Model K3 plastic coated A BCD A G H I F J B F M L L K K G G F F E A A Fig 3 6 Flue termination hNote Vertical flue pipes must not terminate within 600 mm of an opening window air vent or an...

Страница 15: ...system can be taken from BS 6798 and BS 5449 Part 1 for Small Bore and Micro Bore central heat ing systems Pipework which does not form part of the usable heating surface should be insulated to preve...

Страница 16: ...27 3 200 21 8 31 2 225 24 5 35 1 250 27 2 39 0 275 30 0 42 9 300 32 7 46 8 325 35 7 50 7 350 38 1 54 6 375 40 9 58 5 400 43 6 62 4 425 46 3 66 3 450 49 0 70 2 475 51 8 74 1 500 54 5 78 0 With other sy...

Страница 17: ...d climbing steps and stairs Always use assistance if required Carriage of carton from point of delivery to point of installation first or higher floor cellar Recommend 2 person lift or 1 person with u...

Страница 18: ...d grip to protect against sharp edges and ensure good grip when handling appliance Positioning of Appliance for Final Installation withincompartment etc restricting installation If appliance weight is...

Страница 19: ...in accordance with IG UP 7 Edition 2 Gas installations in timber framed and light steel framed buildings 4 2 1 Selecting the location for the shift load storage tank and combination boiler The install...

Страница 20: ...system observe the separate installation instructions for the flue pipe 4 7 Fitting the appliance hanging bracket 1 3 2 Fig 4 3 Shift load storage tank with hanging bracket Fix the hanging bracket 1...

Страница 21: ...e by a competent person e g CORGI registered The legal directives and local regulations for the gas supply companies must be observed a Caution Danger of leaks by improper installation Ensure a stress...

Страница 22: ...rom the packaging Insert the fibre seal 1 and screw the cold water iso lating valve 2 to the cold water connection of the shift load storage tank Push the union nut 4 with the inserted olive 3 onto th...

Страница 23: ...en the union nuts in this position Fit the handle for the filling loop to the cold water stop valve 9 with a countersunk screw a Caution Please note that when fitting a low loss header the diameter of...

Страница 24: ...th should be kept as short as possible to minimise the risk of freezing and should not be more than 3 m d at a condensate absorption point soakaway 7 The external pipe length should not be more than 3...

Страница 25: ...ilers and the country specific regulations The appliance is designed for connection to 230 V 50 Hz supply with a 3 A rating Connection to the mains supply shall be made via a fused 3 pin plug to an un...

Страница 26: ...socket X12 5 on the printed circuit board Run the sensor cable 1 with plug X31 to the printed circuit board Push the flat connector X31 onto the plug socket X31 2 left hand side of the printed circui...

Страница 27: ...hen connecting Heating pump 2 speed pump plug with 5 pins Mains connection 230 V 50 Hz Fuse 2 A slow acting Igniter Attention Do not connect mains voltage Danger of destroying the electronics Diagnosi...

Страница 28: ...ck X 20 7 black X 20 8 blue X 2 12 green X 2 11 red X 2 9 black Pump X 20 18 red 24 VDC X 20 9 blue Erde X 20 16 blue Earth X 20 13 black X 20 12 black X 20 4 grey PWM X 20 3 black Hall Signal X 20 17...

Страница 29: ...lack Pump X 1 7 Green X 1 1 Black X 1 8 red Storage tank sensor NTC X 1 4 orange X 1 1 Black Plug connection Aqua Sensor Shift load storage tank electronics X 1 2 brown X 1 1 Black X 1 2 Brown X 1 1 B...

Страница 30: ...tails for the connection of an external timer to the terminal strip 3 9 8 7 POWER SUPPLY 230 V 50 Hz L L L N N N N 20 VDC DO NOT USE 7 8 9 IN UK FUSE 3 A SWITCH CONTACTS ROOM THERMOSTAT TIMER 4 5 Fig...

Страница 31: ...arth resistance and for correct polarity 5 2 Gas supply The entire gas installation including the gas meter must be inspected checked for leaks and purged in accord ance with BS 6891 In the Irish Repu...

Страница 32: ...xtends over several storeys the system may require a higher filling pressure 5 4 2 Filling device for ecoTEC plus 937 The ecoTEC plus 937 is fitted with a filling loop Push the double check 1 of the f...

Страница 33: ...before the combi boiler is started up Close the 1 2 drain valves and radiator bleed vavles Re fill the heating system with water as described in Section 5 4 3 Check that the pressure relief valve in t...

Страница 34: ...hin the range 17 25 mbar a Liquid gas DO NOT continue with the settings or start up the unit if the supply pressure is less than 37 mbar Turn the unit off and remove the U tube manometer Tighten the t...

Страница 35: ...in kW Use the buttons and to increase or decrease the displayed value in steps of 1 kW The displayed value flashes during the setting process The available setting ranges are shown in Table 5 2 Push t...

Страница 36: ...ate the status indicator As soon as there is a heat demand the display runs through status indications S 1 to S 3 until the ap pliance is running properly in normal operation and the display shows S 4...

Страница 37: ...erature 6 1 5 Subsequent flushing through of the heating system hot Allow the appliance to run until both the appliance and the heating system have reached their operating temperature Check the heatin...

Страница 38: ...stalled and commissioned in accordance with manufacturer s instructions this can lead to invalidation of the guarantee Note Your legal rights remain unaffected by this Leave the operating and installa...

Страница 39: ...ck the earth continuity polarity and earth resistance using a multi meter e Danger Electric shock by touching current conducting parts can be fatal The electrical mains supply terminals in the electro...

Страница 40: ...e fitting instructions included with the seal kit Re fit the compact thermo module and tighten the nuts x 7 Check whether the electrical plug connections and other connections are fitted tightly and m...

Страница 41: ...ttom cover slightly towards the back Remove the bottom cover from the unit Turn the stop valve off Turn the stop valves of the central heating off Release the screw and the spring clips on the front p...

Страница 42: ...et directly at the insulating surface 2 on the back of the heat exchanger If necessary the heat exchanger can be cleaned using ordinary vinegar 7 2 3 Checking the burner The burner 1 is maintenance fr...

Страница 43: ...attention to fittings 3 and 11 Re connect the air inlet pipe 1 and make sure that the blue seal is correctly located in the air inlet pipe 7 3 Cleaning the condensate siphon 1 Fig 7 9 Cleaning the con...

Страница 44: ...0 75 and 0 9 bar If the pressure is less than this the vessel must be pumped up again using an air pump Refit the valve cover Re pressurise the combi boiler and the heating system 7 6 Checking fillin...

Страница 45: ...e relevant operating manual Check the appliance for gas and water leaks Check the entire air flue gas system for leaks and se curely fixed Check ignition and even flame appearance of the burner Check...

Страница 46: ...atus code display can be de activated as follows Press the i button or Do not press any button for about 4 minutes The current heating flow temperature appears in the display again Display Meaning Hea...

Страница 47: ...et temperature in C 35 to 65 C d 7 Warm start target temperature in C 40 to 65 C d 8 Heat demand of external controllers terminal 3 4 1 closed heating requirement 0 opened no heating requirement d 9 F...

Страница 48: ...hood 5 External gas valve 6 External error message d 28 Switching relay 2 on the accessories module 1 Circulation pump 2 Ext pump factory setting 3 External cylinder charging pump 4 Flue gas flap ext...

Страница 49: ...y VCW 0 1 5 l min and no delay 1 3 7 l min and 2s delay d 92 Module recognition shift load storage tank Setting range 0 not recognised 1 no communication via PE BUS Module recognised earlier 2 Communi...

Страница 50: ...porarily interrupted defective earthing of the unit F 32 Speed deviation Fan Fans seized plug not inserted correctly on fan hall sensor de fective fault in cable harness electronics defective F 49 eBU...

Страница 51: ...y to start counting the test pro gramme number upwards Press the i to operate the appliance now and to start the test programme To de activate the setting mode simultaneously push the buttons i and Yo...

Страница 52: ...ction 7 8 After all maintenance work and after replacing electri cal components check the earthing polarity and earth resistance using a multi meter 9 2 Replacing the burner d Danger Before replacing...

Страница 53: ...plate Pull out the expansion tank 3 forwards Guide the new expansion tank back into the appliance Re connect the new expansion tank using a new gas ket Re fit the retaining plate Check the pressure o...

Страница 54: ...5 Item 4 Caution Insert the O rings for the flow and return hoses on the primary heat exchanger using a suitable lubricant Push the flow and return connections up to the stop in the primary heat excha...

Страница 55: ...relief Lower the electronics box as described in Sec tion 4 19 2 Unclip the back cover of the electronics box and swing the cover upwards to reveal the connections Pull the plug X12 off the electroni...

Страница 56: ...the gas supply pipe Comply with the assembly and installation manuals provided with the spare parts Remove the screw on the top cover of the shift load storage tank and remove the cover Pull the elect...

Страница 57: ...able 9 2 by turning the screw 2 Turn to the left Higher CO2 content Turn to the right Lower CO2 content h Note Only for natural gas Carry out the setting only in steps of 1 8 turn After each setting w...

Страница 58: ...lworks This gives these parts almost indefinite reusability All plastic materials are marked properly which makes the separation and sort ing more easy when the component group needs to be recycled 10...

Страница 59: ...59 Installation and maintenance instructions ecoTEC plus 0020031552_03 EC declaration of conformity EC declaration of conformity...

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Страница 64: ...0020031552_03 GB 052008...

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