background image

0020209589_04 ecoTEC pro Installation and maintenance instructions

39

#

Maintenance work

Interval

32

Filling the heating installation

at regular intervals

26

33

Completing inspection and maintenance work

Annually

34

34

Perform the gas family check

at regular intervals

35

Visually check the ignition and burner behaviour

Annually

36

Check the CO content, CO

content and the CO/CO

ratio again

Annually

37

Checking leak-tightness

Each time maintenance work is
carried out

29

B

Overview of diagnostics codes

Note

Since the code table is used for various products, some codes may not be visible for the product in question.

Code Parameter

Values or explanations

Factory
setting

Own setting

D.000 Heating partial load

Adjustable partial heat load in kW
Auto: Product automatically adjusts max. partial load to
current system demand

Auto

D.001 Pump overrun: Heating

1 to 60 min

5 min

D.002 Max. anti-cycl. time: Heating

2 to 60 min

20 min

D.003 Outlet temperature actual value

In °C

Not ad-
justable

D.004 Cylinder temperature actual 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-
justable

D.006 Outlet temperature target value

35 to 65

Not ad-
justable

D.007 Comfort mode target value

APC target value
Cylinder temperature target value

Product with integrated domestic hot water generation,
and product with integrated domestic hot water genera-
tion and shift-load cylinder
35 to 65

Product with heating mode only
Frost protection is at 15 °C, then 40 to 70 °C (max.
temperature can be adjusted under

D.020

)

Not ad-
justable

D.008 Controller 3-4

Room thermostat open (no heat requirement)
Room thermostat closed (heat requirement)

Not ad-
justable

D.009 eBUS controller target value

In °C

Not ad-
justable

D.010 Internal pump

On, Off

Not ad-
justable

D.011 External pump

On, Off

Not ad-
justable

D.012 Cyl. charging pump

On, Off

Not ad-
justable

D.013 Circulation pump

On, Off

Not ad-
justable

D.014 Pump speed target value

Target value of internal high-efficiency pump in %. Pos-
sible settings:
0 = Auto
1 = 53
2 = 60
3 = 70
4 = 85
5 = 100

0 = Auto

D.015 Pump speed actual value

Actual value for internal high-efficiency pump in %

Not ad-
justable

Summary of Contents for 0010016538

Page 1: ...en Installation and maintenance instructions ecoTEC pro VUW 6 5 3 0020209589_04 29 07 2020...

Page 2: ...eck programmes 26 9 6 Preventing low water pressure 26 9 7 Flushing the heating installation for the first time cold 26 9 8 Filling the heating installation 26 9 9 Purging the heating installation 27...

Page 3: ...ructions 3 C Status codes Overview 43 D Overview of fault codes 44 E Check programmes Overview 46 F Wiring diagrams 47 F 1 Product connection diagram with integrated hot water generation 47 G Commissi...

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: ...Boiler dimension height 720 mm Boiler dimension depth 338 mm Approx net weight 39 kg Technical data G20 power loading G20 ecoTEC pro 30 H combi A VUW 306 5 3 Nominal heat output range P at 50 30 C 6 9...

Page 9: ...oducts Only the most energy efficient products can carry the Energy Saving Trust Endorsed Product brandmark making it easy for consumers to choose products that have met strict energy performance crit...

Page 10: ...the boiler does not resume normal operation press the reset button If the boiler does not resume normal operation after this call your Installation Servicing company or Vaillant service 5 6 2 Overheat...

Page 11: ...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 12: ...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 13: ...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 14: ...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 15: ...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 16: ...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 17: ...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 18: ...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 19: ...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 20: ...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 21: ...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 22: ...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 23: ...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 24: ...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 25: ...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 26: ...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 27: ...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 28: ...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 29: ...gital 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 the boiler 10 m head equals an ad ditional 1 bar...

Page 30: ...Number of per sons Guideline value for burner operating hours until the next inspection maintenance work is due for an average operating time of one year dependent upon the system type 5 0 kW 1 2 1050...

Page 31: ...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 32: ...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 33: ...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 34: ...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 35: ...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 36: ...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 37: ...he display 1 Open the electronics box Page 22 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 th...

Page 38: ...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 39: ...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 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...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 46: ...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 47: ...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 48: ...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 49: ...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 50: ...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 51: ...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 52: ...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 53: ...Electronics box closing 22 Electronics box opening 22 F Factory settings restoring 35 Fan replacing 36 Fault codes 35 Fault memory calling up 35 Fault memory deleting 35 Fault messages 35 Filling 26 F...

Page 54: ...delivery 11 Serial number 10 Service message 35 Setting CO content 28 Setting maintenance interval 30 Setting pump output 30 Side section installing 17 Side section removing 17 Spare parts 35 Status c...

Page 55: ......

Page 56: ...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...

Reviews: