Vaillant ecoTEC pro VUW 6/5-3 Series Installation And Maintenance Instructions Manual Download Page 60

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Supplier
Vaillant Ltd.

Nottingham Road

Belper

Derbyshire

DE56 1JT

Telephone 0330

100

3461

[email protected]

www.vaillant.co.uk

Publisher/manufacturer
Vaillant GmbH

Berghauser Str. 40

D-42859 Remscheid

Tel. +492191

Fax +492191

2810

[email protected]

www.vaillant.de

© These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with
the manufacturer's written consent.
Subject to technical modifications.

0020244995_04

Summary of Contents for ecoTEC pro VUW 6/5-3 Series

Page 1: ...en Installation and maintenance instructions ecoTEC pro VUW 6 5 3 0020244995_04 29 07 2020...

Page 2: ...product on and off 28 9 5 Using check programmes 28 9 6 Preventing low water pressure 28 9 7 Flushing the heating installation for the first time cold 28 9 8 Filling the heating installation 28 9 9 P...

Page 3: ...view of diagnostics codes 41 C Status codes Overview 45 D Overview of fault codes 46 E Check programmes Overview 48 F Wiring diagrams 49 F 1 Product connection diagram with integrated hot water genera...

Page 4: ...direct use in industrial or commercial processes Any use other than those described in these instructions and any use that goes beyond what is described here 1 2 Qualification The person carrying out...

Page 5: ...accessory 200 mm To ensure that the seals are not damaged Instead of grease use only water or com mercially available soft soap to aid installa tion 1 3 3 Electricity The power supply terminals L and...

Page 6: ...essary safety devices in the installation 1 3 11 Risk of death from leaks if the product is installed below ground level Liquid gas accumulates at floor level If the product is installed below ground...

Page 7: ...llant group com Spares Enquiries Telephone 01773 596 615 To register your Vaillant appliance visit https self service vaillant co uk warranty registration Vaillant is a licensed member of the Benchmar...

Page 8: ...ural gas flow pressure 2 0 kPa 20 0 mbar 2 0 kPa 20 0 mbar G31 propane gas flow pressure 3 7 kPa 37 0 mbar Gas flow rate at 15 C and 1013 mbar based on domestic hot water generation if applicable G20...

Page 9: ...y at 40 30 C 107 0 107 0 Nominal heat input ef ficiency stationary at 50 30 C 106 0 106 0 Nominal heat input ef ficiency stationary at 60 40 C 101 0 101 0 Nominal heat input ef ficiency stationary at...

Page 10: ...Hot water handling mode VUW 246 5 3 H GB ecoTEC pro 24 VUW 286 5 3 H GB ecoTEC pro 28 VUW 286 5 3 P GB ecoTEC pro 28 Lowest water volume 2 0 l min 2 0 l min 2 0 l min Water volume at T 30 K 11 2 l mi...

Page 11: ...ion that provides trusted energy saving advice to em power millions of people to lead affordable low energy life styles For more information visit energysavingtrust org uk 5 3 Hot Water Association Va...

Page 12: ...illant service 5 7 2 Overheating Safety The boiler software is designed to recognise the potential for an overheat lockout and will shutdown before this happens To restart the boiler press the reset b...

Page 13: ...nting template 1 Condensate discharge hose 1 Enclosed documentation 6 2 Dimensions 720 20 624 160 125 188 100 100 35 35 440 A 338 180 125 2 1 3 5 7 9 8 4 6 6 4 7 11 10 3 5 12 1 Air flue pipe wall duct...

Page 14: ...s a consequence the heat loss from the appliance casing during operation is very low Compartment ventilation is not required as the products are only certified and can only be fitted with a concentric...

Page 15: ...rance to noncombustible building material Vertical flue clearance to combustible building material 500 mm 1 500 mm J Above below and either side of an opening door air vent or opening window 300 mm K...

Page 16: ...oid wall staining and nuisance from pluming depending on site conditions Terminals must be positioned so to avoid combustion products entering the building Support the flue at approximately one metre...

Page 17: ...ard is required if persons could come into con tact with the terminal or the terminal could be subject to dam age If a terminal guard is required it must be positioned to provide minimum of 50 mm clea...

Page 18: ...Consult the separate installation manual for air flue gas sys tems supplied with your appliance for all possibilities and as sociated accessories and how to install the flue system 6 7 Using the insta...

Page 19: ...d by mech anical deformation Removing both side sections may cause mechanical distortion in the product which may cause damage to the piping for ex ample and potentially result in leaks Always only re...

Page 20: ...tional expansion vessel connected as close to the product as possible in the heating return Condition External expansion vessel installed and warm start active Install a non return valve in the produc...

Page 21: ...ollow the instructions listed here and observe directives and local regulations on condensed water discharge If you cannot guarantee that the materials from which the condensate discharge pipe is made...

Page 22: ...soil and vent stack 22mm Preferred option 7 7 1 2 Direct connection to external soil and vent stack 22mm 32mm 3 m 7 7 1 3 External termination to gulley or hopper 22mm 32mm 3 m Best practice 7 7 1 4 I...

Page 23: ...be taken from the installation site 3 Install the air flue pipe using the set up instructions 7 8 2 Replacing the connector for the air flue pipe as required 1 Replace the connector for the air flue...

Page 24: ...wires fit conductor end sleeves on the stripped ends of the conductors 7 Screw the respective plug to the connection cable 8 Check whether all conductors are sitting mechanically securely in the term...

Page 25: ...ia eBUS Connect the controller to the eBUS connection Bridge the 24 V RT connection X100 or X106 if there is not already a bridge Condition Connecting a low voltage controller 24 V Remove the bridge a...

Page 26: ...appear in the display 4 Set the value 17 code and confirm by pressing 5 Press to access the check programmes P and the fault codes F and to return to the diagnostics codes D 6 Use or to set the requi...

Page 27: ...ns and technical rules do not stipulate more stringent requirements the following applies You must treat the heating water in the following cases If the entire filling and supplementary water quantity...

Page 28: ...ter in accordance with the following instructions 1 Check whether all thermostatic radiator valves and both service valves on the product are open 2 Connect a hose to the drain valve that is located a...

Page 29: ...in the appendix Call Vaillant Service 0330 1003 143 Do not start up the product Condition The product design is compatible with the local gas group Proceed as described below 9 11 2 Checking the air...

Page 30: ...ny and proceed as follows End the check programme P 01 Allow the boiler to cool down by allowing pump overrun to operate for a minimum of two minutes Close the gas stopcock Remove the pressure gauge a...

Page 31: ...ar is attained Note The actual reading on the digital pressure gauge should ideally be 0 05 MPa 0 5 bar plus an additional pressure corresponding to the highest point of the system above the base of t...

Page 32: ...ting hours until the next maintenance work is due and confirm by pressing Heat de mand Number of per sons Guideline value for burner operating hours until the next inspection maintenance work is due f...

Page 33: ...ch requests that the user reads the instructions to the front of the product in the end user s language Draw attention to the current issue of the Gas Safety Installation and Use Regulations Section 3...

Page 34: ...as connections Correctness of the water pressure The condition of the whole system in particular the con dition of radiator valves evidence of leakage from the heating system and dripping taps Correct...

Page 35: ...ater or if required vinegar to a maximum of 5 acid Allow the vinegar to act on the heat exchanger for 20 minutes 4 Rinse away any loose dirt with a sharp jet of water or use a plastic brush Do not poi...

Page 36: ...rain valves 4 Make sure that the cap of the automatic air vent on the internal pump is open so that the product can be drained fully 12 12 Checking the pre charge pressure for the internal expansion v...

Page 37: ...To delete the entire fault list navigate to diagnostics code D 094 in the installer level Set the diagnostics code to 1 and confirm by pressing 13 4 Resetting parameters to factory settings 1 Navigat...

Page 38: ...installa tion work has been completed 13 Refit the entire fan gas valve unit in reverse order You must use a new seal 5 for this 14 Ensure that the order in which the three screws are screwed in betw...

Page 39: ...cs box Page 24 2 Replace the PCB and display according to the assembly and installation instructions supplied 3 Close the electronics box 4 Press the on off button on the product Page 28 You are autom...

Page 40: ...Carry out the combustion analysis Measure the CO content CO content and the CO CO ratio For products with a rear air flue connection The combustion analysis can only be carried out when the unit casin...

Page 41: ...value In C Not ad justable D 005 Heating target flow temperature In C the maximum value that is set in D 071 and is restricted by means of an eBUS control if such a control is connected Not ad justabl...

Page 42: ...hot water mode stage 2 2 Automatic heating mode pump prerun overrun stage 1 domestic hot water mode stage 2 3 Always stage 2 4 Automatic heating mode pump prerun overrun stage 1 domestic hot water mod...

Page 43: ...4 Ionisation value actual value Display field 0 to 1020 800 no flame 400 good flame Not ad justable D 046 Pump mode 0 Relay with disable facility 1 PWM with disable facility 0 Relay with disable facil...

Page 44: ...hours In hours h Not ad justable D 081 DHW operating hours In hours h Not ad justable D 082 Heating burner starts Number of burner start ups Not ad justable D 083 DHW burner starts Number of burner st...

Page 45: ...ted S 17 DHW mode Pump over run The pump overrun for domestic hot water mode is activated S 20 DHW demand The domestic hot water demand is activated S 21 DHW mode Fan start up The fan start up for dom...

Page 46: ...the code table is used for various products some codes may not be visible for the product in question Message Possible cause Measure F 00 Interruption Flow sensor Flow temperature sensor de fective or...

Page 47: ...ording sensor e g ionisation electrode for an unstable signal electronics F 65 Fault Electronics temp Electronics defective or too hot due to external influences 1 Check PCB 2 If required reduce the e...

Page 48: ...t water circuit are ad aptively purged by automatically switching the circuits using the automatic air vent the automatic air vent s cap must be loose The active circuit is shown in the display Press...

Page 49: ...use X12 X2 X18 CH Pump B off RT BUS X106 X20 X1 X41 X51 L RT N 2 1 8 16 12 13 14 11 10 9 6 15 4 5 7 17 3 1 Main PCB 2 Operator control panel PCB 3 Outside temperature sensor flow temperature sensor op...

Page 50: ...r and they should be made aware it is ultimately their responsibility to register with the manufacturer within the allotted time period It is essential that the boiler is serviced in line with the man...

Page 51: ...left at factory settings Yes No If no what is the maximum central heating output selected kW Dynamic gas inlet pressure mbar C Central heating return temperature C System correctly balanced rebalanced...

Page 52: ...R delete as appropriate Date Engineer name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO CO CO undertaken in accordance with manufacturers instructions...

Page 53: ...R delete as appropriate Date Engineer name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO CO CO undertaken in accordance with manufacturers instructions...

Page 54: ...pecify how to set boiler to minimum rate contact Technical Helpline for advice CHECK CO AND COMBUSTION RATIO AT MINIMUM RATE With boiler still set at minimum rate insert analyser probe into flue gas s...

Page 55: ...Electronics box closing 24 Electronics box opening 24 F Factory settings restoring 37 Fan replacing 38 Fault codes 37 Fault memory calling up 37 Fault memory deleting 37 Fault messages 37 Filling 28...

Page 56: ...elivery 13 Serial number 12 Service message 37 Setting CO content 30 Setting maintenance interval 32 Setting pump output 32 Side section installing 19 Side section removing 19 Spare parts 37 Status co...

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Page 60: ...lisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 492191 18 0 Fax 492191 18 2810 info vaillant de www vaillant de These instructions or parts thereof are protected by copyright...

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