Vaillant ecoTEC plus Instructions For Installation And Servicing Download Page 35

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Boiler installation sequence

Instructions for installation and servicing ecoTEC 839592_13

X 2

BUS

— +

24V

7 8 9

230V

L N 3 4 5

X 20

X40

X12

X41

Electronic control box

Aqua sensor

ecoTEC plus only:
NTC
Hot water
outlet

Fan unit

Ignition electrode

NTC
flow

Diverter valve

Gas valve assembly

Water pressure sensor

NTC
return

X 20/5 red

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 (earth)

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 red (24 VDC)

X 2/15 brown C

X 2/8 blue D

X 2/16 black A

X 2/7 pink B

X 2/3 red (+ 5V)

X 2/2 black (earth)

X 2/6 green (signal)

X 2/5 violet (signal)

X 2/1 black

NTC
Plate heat
exchanger

X 2/4 orange

X 2/10 black

Thermal fuse

Plug
in
coupling

Fig. 4.16 Connection wiring ecoTEC combination boiler

Summary of Contents for ecoTEC plus

Page 1: ...Instructions for installation and servicing GB IE Instructions for installation and servicing ecoTEC ecoTEC plus ecoTEC pro For the heating engineer...

Page 2: ...0 Cold water mains inlet and hot water outlet ecoTEC combination boilers only 27 4 11 Condensate drain pipe 28 4 12 Heating connection 29 4 12 1 Heating flow and return connection 29 4 12 2 Pressure R...

Page 3: ...cing the burner module 54 7 2 1 Removing the burner module 54 7 2 2 Cleaning the integral condensation heat exchanger 55 7 2 3 Checking the burner 56 7 2 4 Refitting the burner module 56 7 3 Cleaning...

Page 4: ...27 308521 308528 308522 308531 308523 308534 308524 308536 The part number of the unit can be obtained from the identification plate 1 6 Introduction i This boiler must be installed and serviced by a...

Page 5: ...for their safety Children must be watched to ensure that they do not play with the unit The appliance is designed to generate heat for connecting to hot water central heating systems and for instanta...

Page 6: ...044 30 ecoTEC plus 824 47 044 31 ecoTEC plus 831 47 044 32 ecoTEC plus 831 Propane 47 044 34 ecoTEC plus 837 47 044 33 ecoTEC plus 612 41 044 44 ecoTEC plus 615 41 044 45 ecoTEC plus 618 41 044 46 ec...

Page 7: ...al load 80 C flow 60 C return 40 74 40 83 40 70 40 74 40 79 C C NOx class 5 Protection class IP X4D max flow temperature 85 C Adjustable flow temperature Default setting max 75 C 30 85 30 85 30 85 C M...

Page 8: ...3 2 8 5 4 2 11 2 4 8 13 9 5 7 17 1 g s g s Exhaust temperature at minimum thermal load 40 C flow 30 C return at maximum thermal load 80 C flow 60 C return 40 70 40 75 40 83 40 70 C C NOx class 5 Prote...

Page 9: ...ater connection 15mm combination boilers only 3 Gas connection 15mm 4 Hot water connection 15mm combination boilers only 5 Heating flow pipe 22mm 6 Hanging bracket 7 Flue hole flue system 60 100 8 Flu...

Page 10: ...Pump 8 Aqua Sensor 9 Electronics box 10 Hot water heat exchanger 11 Gas valve 12 Pressure sensor 13 Heat exchanger 14 Flue pipe connection 2 4 Type plate The type plate of the Valliant ecoTEC is attac...

Page 11: ...ing and maintenance BS 6981 Installation of low pressure gas pipework of up to 35mm in domestic premises BS 4814 Specification for Expansion vessels using an internal diaphragm for sealed hot water an...

Page 12: ...may be damaged by frost If you want to maintain the operation of the unit during a power cut using an emergency power generator take note of the following Make sure that the technical values of this...

Page 13: ...xtra 1 sticker each for tank and ventilation above Fig Table 3 1 Contents included with delivery of ecoTEC plus system boilers 1 2 3 4 6 5 7 8 Fig 3 2 Contents included with delivery of ecoTEC plus co...

Page 14: ...e operated via mains voltage out of reach of the bath or shower i If the boiler is to be installed in an airing cup board it is not required to separate the boiler with a non combustible partition How...

Page 15: ...an the boiler gas connection 15 mm The complete installation must be checked for leaks and purged as described in BS 6891 3 6 Flue pipe a Danger Risk of injury and risk of damage from use of non appro...

Page 16: ...al is fitted less than 2 m above a balcony above ground or above a flat roof to which people have access then a suitable terminal guard must be provided and fitted made by Tower Flue Components Tonbri...

Page 17: ...s the terminal should be extended as shown in Fig 3 9 2 Dimension F This clearance may be reduced to 25 mm without affecting the performance of the boiler However in order to ensure that the condensat...

Page 18: ...must take place prior to the fitting of the new boiler and be in accordance with BS7593 For advice on the application of system cleansers contact Sentinel Betz Dearborn Ltd Widnes Cheshire WA8 8UD Te...

Page 19: ...50 l kW for the smallest boiler heating surface2 kW mol m3 mol m3 mol m3 50 No requirement or 31 2 0 02 50 to 200 2 1 5 0 02 200 to 600 1 5 0 02 0 02 600 0 02 0 02 0 02 1 with systems equipped with wa...

Page 20: ...ng system with a maximum water content of 100 litres If the nominal capacity of the built in expansion vessel is not sufficient for the heating system for instance in case of modernisation of old open...

Page 21: ...1200 1600 Lift mbar Volumeflow l h 1800 1400 Fig 3 11 Pump specifications ecoTEC pro 3 11 2 System by pass An automatic system by pass is provided in the boiler The boiler is suitable for use in syst...

Page 22: ...re co ordinated movements during lift Avoid upper body top heavy bending do not lean forward sideways Clear the route before attempting the lift If removing boiler from truck straddle the load and til...

Page 23: ...cut resist ant gloves with good grip to protect against sharp edges and ensure good grip when handling appliance Positioning of Appliance for Final Installation in roof space restricting installation...

Page 24: ...te drain 4 2 2 Unpack the boiler To unpack the boiler cut both plastic carton straps open box and lift out the polystyrene top packing Lift the cardboard box upwards i Care should be taken not to scra...

Page 25: ...pliance i Use alternative fixing holes where necessary i If the boiler is to be fitted in a timber framed building ensure that the bracket is secured to a substantial part of the timber frame capable...

Page 26: ...ation may only be carried out by a competent person approved at the time by the Health and Safety Executive Work must be in accordance with regula tions introduced in 1998 governing the safety of gas...

Page 27: ...lve Tighten both union nuts of the service valve The diameter of the pipework 7 is 15mm 22mm for 37kW models Connect a gas supply pipe of not less than 15 mm diameter to the copper tail i Ensure the g...

Page 28: ...the property and be made of an acid resistant material e g plastic overflow pipe i If a boiler does not include a siphon then any external condensate drainage pipe shall be increased to a minimum diam...

Page 29: ...flow and return valves caused by heat transfer If the final connections are soldered the heat transferred during the process may damage the flow and return valves Do not solder fittings to the pipes...

Page 30: ...on for ecoTEC pro combination boiler Insert a seal 1 and fit the service valves 2 to the flow and return connection of the appliance Fit a union nut 4 and a compression olive 3 to the 22mm pre bended...

Page 31: ...ctrical components or external wiring and the point of discharge should be clearly visible 4 13 Connecting the flue system to the boiler Refer to separate air flue duct installation instructions inclu...

Page 32: ...us on off switch is turned off Before establishing a mains connection switch off the power supply b Caution Risk of damage from erroneous connected voltage At mains voltages greater than 253 V and les...

Page 33: ...lug to the ter minal block Green yellow earth wire boiler terminal Earth sign Blue neutral wire boiler terminal N Brown live wire boiler terminal L i Do not connect any power voltage to the con nectio...

Page 34: ...ogue only Room thermostat 230 V 50 Hz remove bridge on connection Heating pump With ecoTEC pro 1 step pump plug with 3 pin With ecoTEC plus 2 step pump plug with 5 pin Mains supply 230 V 50 Hz 2A fuse...

Page 35: ...TC return X 20 5 red X 20 7 black 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 earth X 20 16 blue earth X 20 13 black X 20 12 black X 20 4 grey PWM...

Page 36: ...ter contact C1 C2 Water pressure sensor NTC return X 20 5 red X 20 7 black X 20 7 black X 20 8 blue X 2 10 black X 2 14 brown X 2 12 green X 2 11 red X 2 9 black Pump X 20 18 red 24 VDC X 20 9 blue ea...

Page 37: ...ssories Item no Connection Accessory module 2 from 7 0020017744 Fitting in the electronics box vrDIALOG 810 306743 Visualisation and configuration software VR 65 control centre 307215 Allows ebus conn...

Page 38: ...nsure complete boiler shut down when the heating demand is satisfied The radiator in the room containing the room thermostat should not be fitted with a TRV 4 17 Frost protection The boiler has an int...

Page 39: ...urged of air Check all hot and cold water pipework for leaks 5 4 Filling and bleeding the heating system i The P 6 test program is for filling the heating system The diverter valve combination boil er...

Page 40: ...stem boilers do not come with a filling device In these appliances water is filled in the heating system through a filling pipe provided onsite Join a hose between a cold water dispensing valve and th...

Page 41: ...allow the water to flow out of the heating system and the boiler quickly and com pletely to remove all installation residue from the heating system before commissioning the boiler Close the 1 2 BSP d...

Page 42: ...does not correspond to the local gas family Perform the gas conversion in accordance with the gas conversion kit 0020010641 Adjust the gas setting as described below see sections 5 9 1 to 5 9 3 The co...

Page 43: ...you cannot correct the defects you must not start up the boiler 5 9 2 Checking the gas flow rate The boiler is fitted with a multifunctional automatic gas valve which ensures that the precise air gas...

Page 44: ...6 3 03 3 18 2 72 2 22 2 33 2 00 Table 5 1 Gas flow rates If the measured gas flow rate lies outside the toler ance limits specified in Table 5 1 do not operate the boiler and inform the Vaillant Serv...

Page 45: ...the boiler Start the boiler by activating the test program P 1 as described in section 8 2 In addition ensure that maximum heat can be dissi pated into the heating system by turning up the room thermo...

Page 46: ...y and turn down both thermostat control knobs Only for combination boilers Allow the boiler to cool down by turning off water taps and allow pump over run to operate for a minimum of two minutes Close...

Page 47: ...displayed value will flash while the adjustment procedure is being carried out The available ranges of settings are given in Table 5 3 Push the i button for about five seconds or until the display st...

Page 48: ...see section 6 1 3 Hand over the appliance to the user see section 6 2 Fig 6 1 Function check 6 1 2 Heating Switch on the appliance Make sure that there is a heating demand Press i to activate the sta...

Page 49: ...temperature control combination boilers only the pressure gauge Show the user how to operate any external controls Explain to the user the importance of having the boiler regularly serviced by a comp...

Page 50: ...cordance with BS 7967 parts 1 to 4 The flue gas analyser is set to the correct fuel setting We recommend the conclusion of an inspection and maintenance contract with an approved company or installer...

Page 51: ...eps prior to inspection or maintenance work Switch off the main switch Disconnect the boiler from the power mains by disconnecting the mains plug or de energising the boiler via an isolating device wi...

Page 52: ...7 1 then check the integrity of the complete flue gas installation the integrity of the combustion circuit seals the gas inlet working pressure the gas flow rate If the flue gas value needs to be adju...

Page 53: ...appliance front removed 9 0 1 0 10 0 0 5 Vol Set for Wobbe Index W0 15 22 5 kWh m3 CO value with full load 250 250 ppm CO CO2 0 0031 0 0026 Table 7 1 Factory gas setting a Danger Risk to life due to p...

Page 54: ...ical connections are fitted tightly and correct them if necessary x x 8 Close the gas isolator cock and the service valves x 9 Dump the pressure in the boiler on the water side observe pressure gauge...

Page 55: ...ing lugs and lowering the rear of the bot tom cover Gently pull the bottom cover backwards to remove from the appliance Turn off the gas service valve Turn off the boiler CH service valves Loosen scre...

Page 56: ...can penetrate the box during cleaning and may damage the electronics Protect the folded down electronics box against sprayed water 3 4 1 2 Fig 7 4 Cleaning the integral condensation heat exchanger Dis...

Page 57: ...he burner door and or to plastic components within the boiler being damaged Replace the burner door seal 1 and the self locking nuts on the burner module each time the module is removed for example du...

Page 58: ...the condensate siphon by turning the bayonet catch in anticlockwise direc tion Clean the siphon part section by rinsing it out with water Fill the lower part with water until about 10 mm below the upp...

Page 59: ...after completing any maintenance task Commission the appliance according to the relevant operating manual Check the appliance for gas and water leaks Check the air flue gas installation for leaks chec...

Page 60: ...ating system Ensure boiler flow and return service valves are open 5 Check that the main on off control is set to the on posi tion 6 Set the central heating temperature to maximum 7 Set the domestic h...

Page 61: ...the operation block function due to water shortage VL RL spread too big S 54 Appliance is within the waiting period of the operation block function due to water shortage temperature gra dient S 96 Re...

Page 62: ...t value ecoTEC plus combination boiler only Storage temperature target value system boiler only in C 40 to 65 C in C 15 C for left stop then 40 to 70 C d 8 External controls heat demand Clamp 3 4 0 op...

Page 63: ...ay value adjustable value d 17 Heating flow return regulation changeover 0 flow 1 return factory setting 0 d 18 Pump mode return 0 return 1 nonstop 2 winter factory setting 0 d 19 Only in ecoTEC plus...

Page 64: ...time for a storage without own con troller system boilers only Adjustment range in min 20 21 22 to 90 Factory setting 45 d 77 Storage partial load storage charging capacity limit system boilers only A...

Page 65: ...most recent faults Press the i and buttons simultaneously Use the button to scroll back through the list of memorised errors To cancel fault error memory display mode proceed as follows Press the i bu...

Page 66: ...Fan blocked plug not inserted correctly on fan hall sensor defective fault in cable harness electronics defective F 49 eBUS undervoltage Short circuit on eBUS overload on eBUS or two power sources on...

Page 67: ...the automatic air vent must be loosened P 1 Test program where the appliance is operated in full load after successful ignition P 2 Test program where the appliance is operated with minimum gas volum...

Page 68: ...you want to replace water bearing components of the appliance Make sure that no water drops on live components e g switch box etc Use only new seals and O rings After completing the work check for ga...

Page 69: ...new seals Install the complete gas valve fan unit in reverse sequence After completing the work check for gas leaks and perform a function check see section 7 6 9 4 Replacing expansion vessel a Danger...

Page 70: ...afely replace the component Before replacing the component comply with the safety instructions in section 9 1 Disconnect the appliance from the mains as described in Section 9 1 and close the service...

Page 71: ...ersonal injury and or material damage as a result of improper installation You need to follow the corresponding safety instructions in order to safely replace the component Before replacing the compon...

Page 72: ...coTEC and the associated transport packaging consist primarily of recyclable raw materials The Vaillant ecoTEC and all accessories and packaging must not be disposed of in the normal household rubbish...

Page 73: ...tion and servicing ecoTEC 839592_13 73 11 11 Vaillant service To ensure regular servicing it is strongly recommended that arrangements are made for a Maintenance Agree ment Contact Vaillant Service So...

Page 74: ...EC declaration of conformity 74 Instructions for installation and servicing ecoTEC 839592_13 EC declaration of conformity...

Page 75: ...Installation Commissioning and Service Record...

Page 76: ...the boiler over this area Failure to install and commission according to the manufacturer s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty This does not...

Page 77: ...er Name Company Name Telephone No Gas Safe Register No Comments Signature Date Engineer Name Company Name Telephone No Gas Safe Register No Comments Signature Date Engineer Name Company Name Telephone...

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Page 80: ...839592_13 GBIE 012012 Subject to change Manufacturer Supplier...

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Vaillant ecoTEC plus, Instructions For Installation And Servicing

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