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Inspection and maintenance

Installation and maintenance instructions ecoTEC plus 0020116700_01

Settings

Unit

Natural gas (H)

Propane

after 5 minutes full

load mode with
boiler front casing fitted

Vol.–%

7.8

10.2

9.7

10.7

after 5 minutes full

load mode with boiler
front casing removed

Vol.–%

7.6

10.0

9.5

10.5

Set for Wobbe index Ws

kWh/m

22.5

CO value with full load

ppm

< 250

CO/CO

< 0.0031

< 0.0026

12.1

Factory gas setting

Danger!

Risk to life due to poisoning!

CO is an extremely toxic gas. Risk to life
due to excessive CO concentrations.

If you are not able to adjust the boiler
correctly and the flue gas values remain
higher than allowed in

¬ table 12.1

, call

the Vaillant Service Solutions (0870
6060 777).

Do not start up the boiler!

12.1.5

Performing the gas family check

Danger!

Risk to life due to poisoning!

CO is an extremely toxic gas. Risk to life
due to excessive CO concentrations. Fault
codes F.92 or F.93 may occur as result of
the gas family check.

Correct the failure unconditionally before
starting up the boiler for continuous
operation.

Menu ¬ Installer level ¬ Test programs ¬Gas family
check

The gas family check checks the boiler setting with regard
to combustion quality.

Perform the gas family check:

– as part of regular boiler maintenance

– after replacing components or working on the gas

route.

No CO/CO

or CO

measurement is possible dur-

ing the gas family check.

Result

Meaning

Response

F.92 Coding
resistance
fault

The coding
resistance on
the PCB does
not match the
entered gas
family

Check the coding resistance,
repeat the gas family check
and enter the correct gas fam-
ily.

"successful"

Combustion
quality is good.
Appliance con-
figuration
matches the
specified gas
family.

None

"Warning"

Combustion
quality insuffi-
cient. CO

value

and CO/CO

ratio are incor-
rect.

Start test program P.01 and
adjust the CO

value with the

adjusting screw in the venturi

¬ section 12.1.4

If the correct CO

value cannot

be set:
Check the gas restrictor for
correctness (yellow: H-gas,
grey: liquid gas) and damage.

Repeat gas family check.

F.93 Gas
group fault

Combustion
quality outside
the permitted
range

Damaged or incorrect gas
restrictor (yellow: H-gas, grey:
liquid gas), wrong gas group,
internal pressure measuring
point in venturi blocked (do not
use lubricants on O-ring in ven-
turi.), recirculation, faulty seal.

Resetting the boiler.

Set correct CO

value using

test program P.01 (adjusting
screw in venturi)

¬ section 12.1.4

Repeat the gas family check.

12.2

Results and measures after gas family check

Содержание ecoTEC plus SERIES

Страница 1: ...Installation and maintenance instructions For the competent person GB IE Installation and maintenance instructions ecoTEC plus VU VUW...

Страница 2: ...the hot and cold water VUW boiler 23 6 3 Connecting the domestic hot water cylinder 23 6 4 Connecting the heating flow and heating return 23 6 4 1 VUW boiler 23 6 4 2 VU boiler 23 6 5 Low loss header...

Страница 3: ...he boiler and the heating installation 62 12 2 2 Draining the boiler 62 12 2 3 Draining the entire heating installation 62 12 3 Using the function menu 62 12 3 1 Carrying out electronics self tests 62...

Страница 4: ...GB 186 5 5 0010011679 41 044 62 ecoTEC plus 618 VU GB 186 5 5 LPG 0010011680 41 044 66 ecoTEC plus 624 VU GB 246 5 5 0010011681 41 044 63 ecoTEC plus 630 VU GB 306 5 5 0010011682 41 044 64 ecoTEC plu...

Страница 5: ...is instruction manual It is very important that this document be filled out prop erly when installing commissioning and fully explained at hand over to the operator of the installation Installers shou...

Страница 6: ...ow to use the boiler Children must be supervised to ensure that they do not play with the boiler The boiler is intended as a heater for closed hot water cen tral heating installations and for hot wate...

Страница 7: ...the building to inform the gas supply company or National Grid Transco 0800 111999 What to do if you smell exhaust fumes Installation errors damage manipulation unauthorised installation sites or the...

Страница 8: ...treatment of water in domestic hot water central heating systems BS EN 13831 Closed expansion vessels with built in dia phragm BS EN 14336 Heating systems in buildings Installation and commissioning...

Страница 9: ...not use pipes of a smaller size than the boiler gas con nection The complete installation must be tested and purged in accordance with IGE UP 1B for systems up to 0 035 m3 capacity for larger systems...

Страница 10: ...r about the required measures for frost protection Permissible water hardness Observe all valid national and technical regulations when conditioning filling and supplementary water Provided the nation...

Страница 11: ...onnection for the discharge pipe whose diameter must not be less than 15 mm The pressure relief valve must not be used for draining purposes 2 5 9 Venting The boiler is fitted with an automatic air ve...

Страница 12: ...11 Automatic air vent 12 Pressure gauge 13 Heating pump 14 By pass valve 15 Expansion relief valve 16 Electronics box 6 7 8 9 12 10 11 13 17 18 16 5 4 1 2 3 19 14 15 3 2 Functional elements of the VU...

Страница 13: ...cation vrnetDIALOG comDIALOG Accessories VR 65 Control Centre VR 66 Control Centre VR 61 2 Two Zone Wiring Centre VR 81 2 Remote Control Unit VR 68 2 Solar Module 4 1 Controller accessories 4 1 2 Inst...

Страница 14: ...lear the route before attempting the lift Ensure safe lifting techniques are used keep back straight bend using legs Keep load as close to body as possible Do not twist reposition feet instead If 2 pe...

Страница 15: ...access stability of flooring lighting and other factors and appropriate measures taken Unpacking of appliance from carton Recommend 2 persons unpack appliance from carton Always keep working area cle...

Страница 16: ...grip at front and sides base of boiler Ensure co ordinated movements during 2 person lifts to ensure equal spread of weight of load If 1 person positioning onto bracket recommend obtain firm grip supp...

Страница 17: ...Position the installation template vertically over the instal lation site Attach the template to the wall using tacks for example Mark the drill holes for the hanging bracket on the wall If necessary...

Страница 18: ...return 22 x 1 5 8 Air flue gas duct connection 9 Condensate siphon 10 Condensate discharge connection 19 mm 11 Heating expansion relief valve discharge pipe connection 15 mm Minimum dimension from wal...

Страница 19: ...ging bracket 1 on the wall using the wall plugs and screws 2 provided with the unit Hang the boiler 3 on the hanging bracket from above using the hanging bracket 4 7 Removing fitting the front casing...

Страница 20: ...nly remove one side section never both side sections at the same time 1 3 4 2 4 7 Removing fitting the side section b Caution Risk of damage to the side section Unscrewed side sections that are merely...

Страница 21: ...damage caused by incorrect gas installation Excess test pressure or operating pressure can cause damage to the gas valve When the entire gas installation is tested for leaks the maximum pressure at th...

Страница 22: ...sses in the supply line can cause leaks Make sure there are no stresses in the supply lines when they are installed b Caution Risk of damage caused by heat transfer when soldering Heat that is transfe...

Страница 23: ...ections as shown 6 5 Low loss header A low loss header disconnects the boiler from the heating system The system is no longer dependent on the remain ing feed head of the boiler In conjunction with th...

Страница 24: ...ware when crossing cavities that the fall is maintained and the pipe sleeved The condensate discharge pipework must terminate in a suitable location Further information can be obtained from BS 6798 Sp...

Страница 25: ...tal air flue gas duct Article number 303933 A concentric air flue gas duct with an outer diameter of 100 mm that can be extended depending on the boiler out put range is available You can also get a v...

Страница 26: ...be a nuisance should be avoided c If the terminal 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...

Страница 27: ...ical structure on the roof N A Q Above intersection with roof 300 mm 7 1 Position of the termination in a fan assisted air flue gas duct BS 5440 1 It is recommended that the fanned flue terminal shoul...

Страница 28: ...2 Opening closing the electronics box Opening the electronics box Remove the front casing from the boiler section 4 7 1 2 3 4 8 1 Opening the back wall of the electronics box Fold the electronics box...

Страница 29: ...o the mains supply must allow complete electrical isolation of the boiler and its ancil lary controllers It should be readily accessible and adjacent to the boiler A 3 core flexible cord according to...

Страница 30: ...box using the strain reliefs If you do not connect a room timer thermostat to the boiler then bridge the input RT 24 V if no bridge exists If you connect a room timer thermostat to the boiler then rem...

Страница 31: ...ay 2 on the multi functional module at installer level section 11 1 8 6 Actuating the circulation pump demand controlled You can actuate the circulation pump for a domestic hot water cylinder demand c...

Страница 32: ...4 X22 8 15 13 12 2 X20 X24 X41 X100 X16 X18 X1 variant dependent 230 V AC room thermostat No function 24 V PWM Earth Hall signal Diverter valve Stepper motor Gas valve 5 1 6 Holding magnet 1 3 4 white...

Страница 33: ...pliance earth 1 3 17 4 X22 8 15 13 12 2 X20 X24 X41 X100 X16 X11 X18 X1 variant dependent 230 V AC room thermostat No function Fan Diverter valve Stepper motor Gas valve 5 1 6 Holding magnet 1 3 4 whi...

Страница 34: ...connection Appliance earth X16 X18 X1 variant dependent 230 V AC room thermostat No function 24 V PWM Earth Hall signal Diverter valve Stepper motor Gas valve 5 1 6 Holding magnet 1 3 4 red Flow senso...

Страница 35: ...election by D 026 Mains connection Appliance earth X16 X11 X18 X1 variant dependent 230 V AC room thermostat No function Fan Diverter valve Stepper motor Gas valve 5 1 6 Holding magnet 1 3 4 red Flow...

Страница 36: ...installer level if you are an approved competent person Installer level is secured against unauthorised access with a password as incorrect parameter settings at this level can cause functional fault...

Страница 37: ...e Back Select Appliance config Test programmes Installer level Fault list Back Select Enter code 1 7 Back Ok F 75 Fehler Pumpe Wassermangel F 00 Interruption Flow sensor P 00 Pumpe wird angesteuert En...

Страница 38: ...load Appliance config Accessory relay 2 Accessory relay 1 Back Select Heating partial load Appliance config Accessory relay 2 Contact data Back Select Heating partial load Appliance config Factory set...

Страница 39: ...llation assistant Once confirmed all of the heating and hot water demands from the boiler are blocked This status remains until the installation assistant is completed or cancelled If you do not confi...

Страница 40: ...t contain any spaces If the telephone number is shorter end the entry after the last digit by pressing the right selector button All of the digits to the right will be deleted 10 2 10Terminating the i...

Страница 41: ...ct an error condition by the fault symbol shown in the left bottom corner of the display You must first reset 10 5 Preparing the heating water Pay attention to the specifications concerning heating wa...

Страница 42: ...d the cold water valve Check all connections and the entire system for leaks 10 7 2 Purging the heating system To purge the heating installation select test program P 00 section 10 4 The boiler does n...

Страница 43: ...lve with the spring clip 2 To fill first open the stop valve 3 Open the stop valve 4 so that the water flows into the heating system Fill the heating system as described in section 10 7 After filling...

Страница 44: ...t by Vaillant Service Solutions the smallest possible partial load is higher than is shown in the display The current values can be found in the technical data section 17 The combustion of this boiler...

Страница 45: ...ll other gas appliances in the property are turned off Measure the gas flow rate at the gas meter Check that the gas flow rate is as stated in table 10 2 If the measured gas flow rate lies outside the...

Страница 46: ...a minimum of two minutes Close the gas isolation valve of the boiler Remove the pressure gauge and retighten the sealing screw 1 for the measuring nipple Turn on gas at the gas isolation valve Make s...

Страница 47: ...Make sure that there is a heat requirement Activate the Live monitor section 13 2 1 S 04 Heating mode Burner on Back 10 9 Live monitor display during heating mode If the boiler is operating correctly...

Страница 48: ...gain with water as described in section 10 7 3 Re fill the system until the system design pressure of 0 1 MPa 1 0 bar is attained The actual reading on the digital pressure gauge should ideally be 0 0...

Страница 49: ...re complex systems can be found in the diagnosis menu Menu Installer level Diagnosis menu 11 1 Diagnosis codes Overview Menu Installer level Diagnosis menu With the use of the parameters that are mark...

Страница 50: ...ternal eBus con troller In C Not adjustable D 010 Status of internal heating pump On Off Not adjustable D 011 Status of external heating pump On Off Not adjustable D 012 Status of cylinder charge pump...

Страница 51: ...egionella protection pump not active Solar valve not active External pump D 033 Fan speed target value In rpm Not adjustable D 034 Fan speed actual value In rpm Not adjustable D 035 Position of the di...

Страница 52: ...ments of 1 minute 2 mins D 073 Warm start target offset Adjustable from 15 K to 5 K 0 D 075 Max charging time for domestic hot water cylinder without independent con trol system 20 90 min 45 mins D 07...

Страница 53: ...11 1 Diagnosis codes continued 11 1 1 Setting the heating partial load The heating partial load of the Vaillant ecoTEC plus boiler is factory set to auto This means that the boiler independ ently det...

Страница 54: ...5 44 0 40 2 0 3 5 6 5 10 0 13 0 16 5 19 5 22 5 26 0 29 0 32 0 35 5 38 5 45 2 0 3 0 6 0 8 5 11 5 14 0 17 0 19 5 22 5 25 0 27 5 30 5 33 0 50 2 0 3 0 5 0 7 5 9 5 12 0 14 0 16 5 18 5 21 0 23 5 25 5 28 0 5...

Страница 55: ...nosis code d 084 Guideline values for the setting can be found in table 11 3 The values stated correspond to an average boiler operat ing time of one year You can set the operating hours in increment...

Страница 56: ...he operator of the boiler on the handling and function of the ecoTEC plus Explain the importance of regular maintenance by a competent specialist company to the operator It is strongly recommended tha...

Страница 57: ...We recommend the conclusion of an inspection and mainte nance contract with an approved company or installer The inspection serves to determine the actual condition of the respective boiler and compa...

Страница 58: ...ing the boiler via an isolating device with a contact opening of at least 3 mm e g fuses or power switches Further check for electrical isolation of the appliance by use of a test meter Close the gas...

Страница 59: ...ck the integrity of the combustion circuit seals Check the gas inlet working pressure Check the gas flow rate 2 1 12 2 Removing the covering cap for the air index setting adjusting screw gas setting a...

Страница 60: ...oiler setting with regard to combustion quality Perform the gas family check as part of regular boiler maintenance after replacing components or working on the gas route i No CO CO2 or CO2 measurement...

Страница 61: ...sel of the layered storage tank Correct the pressure if necessary x x 11 Remove the compact thermal module x 12 Check the integrity of all combustion circuit seals especially the burner door seal Ensu...

Страница 62: ...t Cancelling the function test Press the left selector button Cancel to stop the function test You can test the operation of the heating installation com ponents listed below using the self tests in t...

Страница 63: ...fixed gas pipe 1 2 4 3 5 8 7 6 12 4 Removing the compact thermal module i The plugs at the fan motor and the venturi have latching lugs with which they engage in the slot You have to push in the latch...

Страница 64: ...ing water or if required commercially available white vinegar Allow the vinegar to act on the heat exchanger for 20 minutes Rinse away any loose dirt with a sharp jet of water or use a plastic brush D...

Страница 65: ...hot water from the boiler Undo the nut 1 fig 12 8 of the cold water supply line from the casing of the boiler 2 1 12 9 Removing the pipe with the cold water filter Fold the electronics box forwards s...

Страница 66: ...ultaneously Open the gas isolator cock on the boiler and ensure there are no leaks Check that the sealing ring in the air intake pipe is posi tioned correctly in the seal seat Insert the air intake pi...

Страница 67: ...nition S 14 DHW mode burner on S 15 DHW mode pump fan overrun S 16 DHW mode fan overrun S 17 DHW mode pump overrun DHW mode VU boiler with cylinder or VUW comfort mode warm start S 20 DHW demand S 21...

Страница 68: ...storm for example 13 2 4 Calling up diagnosis levels Menu Installer level Diagnosis menu You can use the diagnosis menu to inspect parameters and modify certain parameters An overview of the diagnosis...

Страница 69: ...not connected defective F 23 Safety switch off Temperature difference too great Pump blocked insufficient pump output air in boiler flow and return NTC interchanged F 24 Safety switch off Temperature...

Страница 70: ...ive F 72 Flow return NTC fault Flow return NTC temperature difference too great flow and or return temperature sensor defective F 73 Water pressure sensor signal in the wrong range too low Interruptio...

Страница 71: ...to remedy boiler problems you can use the func tion menu which allows you to actuate and test individual components of the heating installation section 12 3 13 4 Running test programs By activating va...

Страница 72: ...wer switches i When carrying out any repair to the boiler make sure that you observe the following instructions for your own safety and to avoid material dam age to the boiler Switch off the boiler Di...

Страница 73: ...at the same time Unscrew the three screws 2 fig 14 2 between the mixture pipe 1 fig 14 2 and the fan flange b Caution Risk of damage to the gas pipe The corrugated gas pipe can be damaged by incorrect...

Страница 74: ...the opposite side of the gas valve or screw both cap nuts to the gas valve simultaneously Perform a gas family check after fitting the new fan section 12 1 5 14 4 Replacing the gas valve b Caution Ri...

Страница 75: ...ipe section 12 4 1 Remove the plug from the venturi sensor 1 fig 14 9 Unscrew the cap nut 3 fig 14 9 of the gas connecting pipe 2 fig 14 9 from the gas valve Remove the venturi including the gas suppl...

Страница 76: ...sel into the boiler Screw the new expansion vessel to the water connection Use a new seal for this Attach the support plate using both screws 1 If necessary adjust the pressure to the static height of...

Страница 77: ...at exchanger as far as they will go i Make sure that the brackets are seated correctly on the flow and return connections Re install the expansion vessel section 14 6 Reinstall the compact thermal mod...

Страница 78: ...PCB and plug it into the new PCB Language 02 English Cancel Ok 14 15 Setting the language If you are replacing both components at the same time spare part case the boiler switches directly to the menu...

Страница 79: ...ose the gas isolator cock Close the cold water stop valve Drain the heating installation fully section 12 2 2 Press the on off switch 1 The display 2 goes off 15 2 Taking the boiler permanently out of...

Страница 80: ...ded in the guar antee Registering with us Registration is simple Just complete the Guarantee Regis tration Card and return to Vaillant within 30 days of instal lation Your details will then be automat...

Страница 81: ...3 8 Remaining feed head of pump at nominal circula tion water volume MPa bar 0 025 0 25 0 020 0 20 General Gas connection boiler side mm 15 15 15 15 15 22 Flow return heating connections boiler side...

Страница 82: ...DT 35 K l min 9 8 12 4 15 6 Water volume at DT 30 K l min 11 5 14 5 18 2 Permitted overpressure MPa bar 1 0 10 Required connection pressure MPa bar 0 035 0 35 Hot water output temperature range C 35...

Страница 83: ...calorific value of the fuel The flue gas is cooled until the water vapour that it contains condenses The condensation heat that this releases can also be used In particular the flue gas losses are gre...

Страница 84: ...Appendix 84 Installation and maintenance instructions ecoTEC plus 0020116700_01 19 19 Appendix Installation Commissioning and Service Record...

Страница 85: ...ng Checklist will invalidate the warranty This does not affect the customer s statutory rights If yes and if required by the manufacturer has a water scale reducer been tted CONDENSING BOILERS ONLY Th...

Страница 86: ...afe Register No Comments Signature Date Engineer Name Company Name Telephone No Gas Safe Register No Comments Signature Date Engineer Name Company Name Telephone No Gas Safe Register No Comments Signa...

Страница 87: ...ot water 23 Condensate discharge pipework 23 Controller 29 Domestic hot water cylinder 23 Flow and return 23 Gas line 21 Multi functional module 31 Connection diagram 32 Connection measurements 18 Cus...

Страница 88: ...llation 22 Pump operating mode 50 53 Pump overrun 53 Purge Heating installation 42 R Removing Burner 72 Compact thermal module 62 Display 77 Fan 73 74 Front casing 19 Gas valve 74 Heat exchanger 76 PC...

Страница 89: ......

Страница 90: ......

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Страница 92: ...0020116700_01 GBIE 012012 Subject to change Manufacturer Supplier...

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