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Installation instructions geoTHERM VWS/VWW 0020051574_01

72

9.4

Test operation and restarting

d

Danger!

Risk of injury!
The heat pump may only be put into op-
eration again after all the cladding sec-
tions have been fitted.

• Fit all the heat pump cladding sections as described in

Chap. 6.10.

• Start up the heat pump.
• Check the heat pump for correct functioning.

10 Troubleshooting

and

diagnosis

d

Danger!

Troubleshooting and diagnostics meas-
ures may only be carried out by a recog-
nised expert technician company.

e

Danger!

Risk of fatal electric shock from touch-
ing live connections! Before commencing
work on the heat pump, disconnect the
power supply (circuit breaker) and se-
cure it against being switched on again
inadvertently.

10.1

Error messages on the controller

Error messages appear on the display approximately
20 seconds after the error has occurred and are written
to the controller's error memory if the error is present
for approximately 3 minutes. You can call up the error
memory in Menu I1. As long as the fault is present, you
can call up the fault display by turning the dial 1 x to
the left, starting from the graphics display.

Error History

I1

Fault number

> 1

Fault code

41

16.02.08 07:18

Error CH circuit

Sensor T3 heat source

Fig. 10.1 Error message in error memory, Menu I1

The geoTHERM control system recognises three differ-
ent types of malfunction:
- Malfunction of

components

that are connected via

the

eBUS

.

-

Temporary shut-down

The heat pump remains in operation. The error is dis-
played and disappears independently when the cause
of the fault is removed.

-

Fault-induced shutdown

The heat pump is shut down. It can only be restarted
by resetting the error after removing the cause of the
fault (see Menu I 1).

- In addition,

other errors/malfunctions

can occur on

the unit or system.

9 Inspection and maintenance
10 Troubleshooting and diagnosis

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Содержание geoTHERM VWS

Страница 1: ...For the heating engineer Installation instructions geoTHERM Heat pump VWS VWW GB ...

Страница 2: ...er PCB 31 6 6 1 Connecting the VR 10 standard sensor 31 6 6 2 Direct heating operation Hydraulic plan 1 32 6 6 3 Mixer circuit with buffer cylinder Hydraulic plan 2 33 6 6 4 Direct heating operation and domestic hot water cylinder Hydraulic plan 3 34 6 6 5 Mixer circuit with buffer cylinder and domestic hot water cylinder Hydraulic plan 4 36 6 6 6 Mixer circuit with buffer cylinder domestic hot wa...

Страница 3: ...se observe the safety instructions in this installation manual for the installation of the appliance d Danger Immediate risk of serious injury or death e Danger Danger of death by electric shock H Danger Danger of burning and scalding a Caution Potentially dangerous situation for the product and environment h Note Useful information and instructions Symbol for a necessary task Contents Notes on th...

Страница 4: ...en constructed in accordance with recognised safety regulations Nevertheless there is still a risk of death or serious injury to the user or others or of damage to the device and other property in the event of improper use or use for which it is not in tended This unit is not intended for use by persons including children having limited physical sensory or mental ca pacities or who have inadequate...

Страница 5: ...voltage auxiliary heating Rated maximum power Rated power compressor pumps and controller Rated power auxiliary heating Start up current without start up current limiter 44 A Start up current with start up cur rent limiter Coolant type Filling quantity Permissible rated overpressure COP B0 W35 Performance figure at a brine tem perature of 0 C and a heating flow temperature of 35 C COP B5 W55 Perfo...

Страница 6: ...sists of separate circuits which are cou pled to one another by means of heat exchangers These circuits are The heat source circuit by means of which the energy from the heat source is transported to the coolant cir cuit The coolant circuit which releases its heat to the heating water circuit by means of evaporation com pression liquefaction and expansion The heating water circuit which supplies t...

Страница 7: ...ched in by means of the integrated controller To prevent the formation of condensate in the interior of the unit the pipes of the heat source circuit and the coolant circuit are insulated Should condensate appear however it is collected in a basin inside the unit see Fig 2 7 and fed away underneath it Drop formation under the unit is thus possible 2 3 Design of the heat pump The Vaillant geoTHERM ...

Страница 8: ... 1 2 1 L N 2 3 4 5 SCH 6 7 8 ASB N N Auf Zu L N 1 2 1 2 1 2 1 2 1 2 1 2 DCF OT AF Auf Zu ZH N L ZP N L SK2 P N L HK2 P HK2 VF2 RF1 VF1 SP BUS DCF AF EVU 1xZP LP UV 1 ABB A12 3 0 01 5 4 6 7 9 8 1 3 2 Fig 2 6 VWS Front view covers removed Key to Fig 2 6 1 Electronic switchbox see Chap 5 3 2 Data badge 3 Compressor 4 Condensate pan 5 Fill drain valve for brine circuit 6 Brine pump 7 Dryer cartridge 8...

Страница 9: ...f the connection configurations listed in the appendix corre sponds to your installation by entering the number of the corresponding hydraulic plan into the controller Thus all the operating parameters will be set to prede termined values so that the heat pump can work opti mally However you can individually set and adapt the operating modes and functions afterwards You will find all the informati...

Страница 10: ...tandards and regulations We accept no liability for any damage caused by failure to observe these instructions Find out the transport and operating weights of the heat pump from the Technical Data and take heed of them during transportation and installation Pay particular at tention to Chap 4 2 Requirements of the installation site before assembly d Danger The coolant circuit is pressurised Fur th...

Страница 11: ...coolant circuit Risk to health Avoid contact with the skin and eyes Escaping coolant can cause freezing if the exit point is touched R 407 C coolant presents no danger in normal use and under normal conditions With improper use however it can cause injury and damage a Caution This unit contains R 407 C coolant The coolant must not be allowed to escape into the atmosphere R 407 C is a fluori nated ...

Страница 12: ...mbination cylinder can be fed from various energy sources and is used for heating both heating water and DHW Other accessories Heat transfer fluid Filling pump Safety assembly and tundish Expansion vessel for the heating circuit 4 2 Requirements of the installation site Choose a dry room that is generally frost proof You should not install the unit near heat sources or combustible materials The fl...

Страница 13: ...13 Installation instructions geoTHERM VWS VWW 0020051574_01 4 3 Dimensions and clearances 304 110 110 141 1099 760 1200 760 1100 915 Fig 4 1 Dimensions and clearances Assembly and installation 4 ...

Страница 14: ... Make sure that the substrate is sufficiently stable see Chap 4 2 Requirements for the installation site Drill at least two core holes taking the dimensions of the unit and connections into account see Fig 4 3 Pos 1 Each pipe from the heat source requires its own bore hole Special pipe feedthroughs must be used if there is a risk of ground water penetration follow the manufac turer s instructions ...

Страница 15: ...ating system with water or be able to drain the water a diaphragm expansion vessel in the return line of the heating circuit an overpressure safety valve opening pressure 3 bar with pressure gauge safety group in the flow line of the heating circuit immediately after the appliance an air dirt separator in the return line of the heating circuit To avoid energy losses in accordance with the Energy S...

Страница 16: ... heat source side 9 1 Expansion relief valve for brine circuit 1 2 3 bar 10 4 Installation instructions operating manual 11 8 2 4 2 2 Seals for heating circuit connecting hoses grey and heat source circuit yellow green M6 flat headed screws for fitting the operating console to the frame plus one spare screw Flat headed screws for fixing side cladding to frame Self tapping screws for the operating ...

Страница 17: ... S S N PE L2 L1 L3 N ABB A8 30 01 ABB A8 30 01 ABB A8 30 01 1 L L L L L 1 L N N N N N 2 N 2 1 2 1 L N 2 3 4 5 SCH 6 7 8 ASB N N Auf Zu L N 1 2 1 2 1 2 1 2 1 2 1 2 DCF OT AF Auf Zu ZH N L ZP N L SK2 P N L HK2 P HK2 VF2 RF1 VF1 SP BUS DCF AF EVU 1xZP LP UV 1 ABB A12 30 01 Fig 4 6 Authorised and unauthorised means of transportation Assembly and installation 4 ...

Страница 18: ...nce with the dimensional and connection draw ings in Fig 4 1 The installation must be performed by a specialist fit ter The applicable regulations must be observed during the installation h Note Air in the heating installation leads to impaired operation and reduces the heat ing output Fit bleed valves as required 3 4 2 1 Fig 4 8 Fitting the supply lines Key to Fig 4 8 1 Heating feed 2 Heating ret...

Страница 19: ... free environment It must remain constantly open It must be fitted in such a way that persons are not endan gered by hot water or steam when it blows off We recommend the installation of a Vaillant safety assembly and tundish Fit the heating flow and return lines with all compo nents Insulate all the pipes 4 10 2 Assembly brine circuit Install the heat source pipes and all their associated compone...

Страница 20: ...brine expansion tank 57 Wind hemp into the outer threads of the connection pieces Fit the first connection piece to the 3bar expansion relief valve 42a enclosed with the heat pump Using the second connection piece fit the brine ex pansion tank 57 from the accessory kit to the pipe 1 running from the heat source to the heat pump Fix the brine expansion tank with the bracket Fit the connection piece...

Страница 21: ...the special functions party etc In addition it is possible to query the heating circuit and to display service and fault messages For assembly of the VR 80 or VR 90 remote control unit see the corresponding installation manual provid ed Regarding installation see Chap 6 8 1 4 13 Installing the VR 60 mixer module With the mixer module you can expand the control sys tem of the heating installation b...

Страница 22: ...e non toxic and biologi cally degradable h Caution Danger of leakage when using calcium carbonate as brine fluid The use of calcium carbonate water as brine fluid is not permitted if passive cooling has been installed by the cus tomer as it may react with the sealing plastics in the mixer valve To fill the brine circuit proceed as follows Mix the antifreeze used by Vaillant in Germany Aus tria and...

Страница 23: ...g sec tions have been fitted and the heat pump has been started see Chap 7 4 Check the filling level of the brine fluid a Caution Risk of damage The filling level is correct when the brine expansion tank is 2 3 full The installa tion can be damaged if the filling level is too high Top up the brine fluid when the filling level has fallen so low that it is no longer visible in the expansion tank 1 2...

Страница 24: ...ump controller and for this reason the sensor lines must be run absolutely correctly Low current lines must be run at an ade quate distance from high current lines If low and high current lines are run in par allel a minimum distance of 25 cm ap plies for lengths greater than 10 m At start up the controller automatically checks for the correct phase sequence Switch two phases over if there is an e...

Страница 25: ...y control contactor immersion pump with overcurrent relay motor protection 9 Contactor inrush current limiter 10 Control contactor compressor 11 Protector contactor compressor 12 Contactor for auxiliary heating 13 Controller PCB 14 Terminal strip for sensors and external components Additionally there are two coiled cables hanging inside the electronic switchbox not shown here small two way plug co...

Страница 26: ...ion VWW Key to Figs 6 2 and 6 3 Pump Compressor Controller External auxiliary heating Heat source circuit Mixer valve 1 Connection of mains supply for ext auxiliary heating 2 Connection of external auxiliary heating 3 Connection of pump compressor and controller 4 Connection of circulation pump heating circuit 7 Connection of immersion pump heat source circuit 8 Connection of brine mixer valve for...

Страница 27: ...side by a non self resetting thermal cut out that provides all pole disconnection Connect the power supply to the auxiliary heating 1 Connect the auxiliary heating yourself 2 Install a safety thermostat STB to be provided on the customer side for the auxiliary heating Connect the ripple control signal relay to terminal 12 EVU see Fig 6 6 if required by the power compa ny The heat pump is blocked w...

Страница 28: ... 4 and 6 5 Pump Compressor Controller External auxiliary heating Heat source circuit Mixer valve 1 Connection of mains supply for ext auxiliary heater 2 Connection of external auxiliary heating 3 Connection of mains supply low tariff 4 Bypass lines 5 Connection of mains supply high tariff 6 Circulation pump heating circuit 7 Connection of immersion pump heat source circuit 8 Connection of brine mi...

Страница 29: ...ermostat STB to be provided on the customer side for the auxiliary heating Connect the ripple control signal relay to terminal 12 EVU see Fig 6 6 if required by the power compa ny The heat pump is blocked with this signal when the contact is closed For VWW only Connect the immersion pump 7 Adjust the thermal overcurrent relay for the immer sion pump see Fig 6 1 Pos 5 to match the current of your i...

Страница 30: ...tion ripple control sig nal from power company open compressor operation permitted closed compressor operation blocked 13 1xZP Contact for non recurring request for the circulation pump e g via external button PCB components 14 eBUS vrDIALOG 15 eBUS address rotary switch set to 1 factory setting 16 Fuse T 4A 250 V for controller PCB 17 Check LED for power supply lights green if OK 18 T 4A 250 V fu...

Страница 31: ...wing you will find various options for operating the heat pump 6 6 1 Connecting the VR 10 standard sensor Additional sensors are required as flow return collector or cylinder sensors depending on the configuration of the system The VR 10 standard sensor is so designed that it can be used as an immersion sensor e g as a cyl inder sensor in a cylinder sensor tube or as a flow sen sor in a hydraulic ...

Страница 32: ...ith position indication 32 Cap valve 33 Air separator Dirt filter 42a Expansion relief valve 42b Diaphragm expansion tank 58 Fill and drain valve KP Circulation pump heat pump circuit VF2 Flow temperature sensor WQ Heat source circuit h Note If it is necessary to isolate the heating circuit hydraulically fit a low loss head er as shown in Fig 6 8 Optional for hydraulic isolation 45 Low loss header...

Страница 33: ...mote control unit 13b Mixer module VR 60 16 External sensor DCF receiver 19 Maximum thermostat 30 Non return valve 31 Control valve with position indication 32 Cap valve 33 Dirt trap 42a Expansion relief valve 42b Diaphragm expansion tank 52 Valve individual room control 58 Fill and drain valve KP Circulation pump heat pump circuit HKa P CH pump HKb P CH pump HK2 P CH pump HKa Mixer module for hea...

Страница 34: ...The heat pump is connected directly to the underfloor heating circuit Control system is carried out using ener gy balance control by default see Chap 8 4 2 The VF2 flow temperature sensor must be connected floor pro tection circuit The heat pump also supplies a domestic hot water cylin der Fig 6 10 Hydraulic plan 3 6 Electrical installation ...

Страница 35: ...al for hydraulic isolation 45 Low loss header HK2 P Heating circuit pump with control line to the heat pump The brine pump is only included with VWS a Caution Risk of damage The electrical auxiliary heating must be protected on the customer side by a non self resetting thermal cut out that pro vides all pole disconnection a Caution Risk of damage The heat exchanger in the DHW cylinder requires an ...

Страница 36: ...ve 32 Cap valve 33 Dirt trap 42a Expansion relief valve 42b Diaphragm expansion tank 42c Diaphragm expansion tank tap water 43 Safety group water connection 52 Valve individual room control 58 Fill and drain valve a Caution Risk of damage The electrical auxiliary heating must be protected on the customer side by a non self resetting thermal cut out that pro vides all pole disconnection KP Circulat...

Страница 37: ...s only suitable for geoTHERM VWS x 0 2 brine water The dimensioning of the cooling heat ex changer and brine mixer valve must be carried out on the customer side Fig 6 12 Hydraulic plan 10 The regulated underfloor heating circuits are operated by the external heating circuit pump from the buffer cylinder via a mixer Flow temperature sensor VF2 is in stalled downstream of the diverter valve in the ...

Страница 38: ...ormation All pipes in the heating circuit must be provided with vapour diffusion tight in sulation The Vaillant geoTHERM heat pump de scribed here is not suitable for use with radiator heaters a Caution Danger of falling below the dew point and condensate formation The heating flow temperature setting must not be too low in cooling mode The cooling function is still effective with a flow temperatu...

Страница 39: ...2 is therefore recommended for eBUS cables Setting the bus address In order to ensure perfect communication between all components it is necessary to provide the remote con trol unit with an address that matches the heating cir cuit to be controlled Set the bus address on the first additional VR 90 re mote control unit to 2 Set different sequential bus addresses for any further remote control unit...

Страница 40: ...DIALOG unit Next pass the connecting cable 6 from the operating console through the opening in the upper front clad ding and connect to it the adapter cable from the ac cessory pack 4 for connecting between the vrnetDI ALOG unit and the heat pump The connector on the adapter cable is intended for the operating console the second cable is intended for con nection to the eBUS plug from the vrnetDIAL...

Страница 41: ... 0 01 ABB A8 3 0 01 ABB A8 3 0 01 1 L L L L L 1 L N N N N N 2 N 2 1 2 1 L N 2 3 4 5 SCH 6 7 8 ASB N N Auf Zu L N 1 2 1 2 1 2 1 2 1 2 1 2 DCF OT AF Auf Zu ZH N L ZP N L SK2 P N L HK2 P HK2 VF2 RF1 VF1 SP BUS DCF AF EVU 1xZP LP UV 1 ABB A12 3 0 01 Fig 6 21 Mounting the side cladding Insert both side cladding panels into the guide slot at the bottom of the frame of the heat pump then slide the claddi...

Страница 42: ... N N N N 2 N 2 1 2 1 L N 2 3 4 5 SCH 6 7 8 ASB N N Auf Zu L N 1 2 1 2 1 2 1 2 1 2 1 2 DCF OT AF Auf Zu ZH N L ZP N L SK2 P N L HK2 P HK2 VF2 RF1 VF1 SP BUS DCF AF EVU 1xZP LP UV 1 ABB A12 3 0 01 Fig 6 24 Fitting the front lower cladding Insert the cladding panel into the guide slot at the bot tom of the frame of the heat pump push the lower cladding panel into the clip mount on the housing then sc...

Страница 43: ... PE L3 L3 L2 L1 N N PE L3 L2 L1 S S N PE L2 L1 L3 N ABB A8 3 0 01 ABB A8 3 0 01 ABB A8 3 0 01 1 L L L L L 1 L N N N N N 2 N 2 1 2 1 L N 2 3 4 5 SCH 6 7 8 ASB N N Auf Zu L N 1 2 1 2 1 2 1 2 1 2 1 2 DCF OT AF Auf Zu ZH N L ZP N L SK2 P N L HK2 P HK2 VF2 RF1 VF1 SP BUS DCF AF EVU 1xZP LP UV 1 ABB A12 3 0 01 Fig 6 27 Fitting the front column of the operating console Insert the front column of the oper...

Страница 44: ... Calling up the screens The menus are identified by a number at the top right of the display You can access the next menu by turning the dial The numbers make it easier to find individual menus during programming 7 2 3 Typical operating sequence on the operator level Turn the dial until the menu required has been selected Turn the dial until the pa rameter to be modified has been selected Press th...

Страница 45: ...ig 7 3 Menu A1 Language selection Change the language setting if necessary and turn the dial to the next menu Installation assistant A2 Hydraulic scheme 0 Electrical plan 0 Accept change No Select Fig 7 4 Menu A2 Installation assistant h The heat pump type has already been set at the factory and may not be changed Selecting the hydraulic plan a Caution Possible malfunctions Take care to select the...

Страница 46: ... confirmed with YES the controller switches to the graphics display The heat pump starts under its autonomous control system 7 4 Bleeding the brine circuit To bleed the brine circuit activate the Brine bleeding menu point in Menu A7 The brine pump now alternates between 50 minutes operation and 10 minutes standstill Check whether the fluid level in the brine expansion tank has stabilised Let the b...

Страница 47: ...ylinder frost protection This function starts automatically when the actual tem perature of the cylinder falls below 10 C The cylinder is then heated to 15 C This function is also active in the Off and Auto operating modes regardless of the timer programmes Checking the external sensors The hydraulic basic circuit given by you during commis sioning determines the required sensors The heat pump con...

Страница 48: ...ty function The party function permits you to extend the current heating and hot water periods beyond the next switch off time to the start of the next heating period See Chap 8 9 Energy saving function This function allows you to set back the heating for an adjustable period of time See Chap 8 9 If installed on the customer side and externally Cooling You can use the cooling function to set the n...

Страница 49: ...ta to load device configu rations and change and save them online and to save in formation in the form of reports Using vrDIALOG 810 2 you can make all the settings for the heat pump as well as other settings for optimisation See Chap 8 10 Acceleration mode This operating mode simplifies the diagnosis of heat pump functions by speeding up the energy balancing in hydraulic plan 1 or 3 by a factor o...

Страница 50: ... to the default settings 8 4 5 Controller structure The top level display is a graphics display It is the starting point for all the available displays This display reappears automatically if you do not actuate any of the dials for a long time when setting values In the following illustrations you can see all the control ler screens in an overview in the form of a flow chart You will find descript...

Страница 51: ...ect day of the week 2 HK2 Time programme 5 Mo 1 00 00 24 00 3 Select day of the week 2 HK2 Time programme 5 Mo 1 00 00 24 00 3 Select day of the week 2 Domestic hot water Time programme 5 Mo 1 06 00 22 00 3 Select day of the week 2 Circulation pump Time programme 5 Mo 1 06 00 22 00 3 Select day of the week 2 Holiday programming for cpl System 6 Periods 1 06 01 08 08 01 08 12 ºC Room Temp setpoint ...

Страница 52: ... Setpoint flow temp 41 C Current flow temp 29 C Status of pump OFF Status hydr mixer OPEN HK2 Information C4 Setpoint flow temp 41 ºC 30 ºC Flow Temp VF2 OFF Status of pump 183ºmin mins lag gain HK2 Parameterss C5 Raumaufschaltung Keine Fernbedienung JA 23 C Values can be set HK2 Parameterss C5 Raumaufschaltung Keine Fernbedienung JA 23 C Values can be set HK2 Parameters C5 Switch on room temp Non...

Страница 53: ...Tool A7 Venting prog Select OFF Ventilation Installation assistent Language selection A1 Language GB english Select language I5 Reset NO Code 1 0000 Code 2 FFFF Codes accepted Select NO Tool Component Test 1 A5 HK2 P ON ZP OFF ZH OFF SK2 P OFF Tool Component Test 2 A6 Component VR60 Adr 4 Actuators OFF Sensors VFa 29ºC Select Diagnosis D1 Test Comp High Pressure 0 ºC T outlet compresor 66 ºC Refri...

Страница 54: ... output When the compressor or the electric auxiliary heat ing is switched on the arrow is shown filled Left and right flash when the compressor is switched on and energy is consequently being taken from the environment and fed to the heating sys tem Right flashes when energy is being supplied to the heating system e g only from the electric auxil iary heating The heat pump is in the CH mode Moreo...

Страница 55: ...re heating system pressure and heat source pressure are displayed Current flow temp Current flow temperature in the unit CH system pressure Heating circuit pressure sensor Brine pressure Heat source pressure Pressure sensor for heat source circuit brine pressure CH comp only This status message provides information on the current operating status The following are possible CH Comp only CH Comp Aux...

Страница 56: ...en the Heating and Energy Saving oper ating modes in accordance with a settable timer pro gramme Eco The operation of the heating circuits alternates between the Heating and Off operating modes in ac cordance with a settable timer programme The heating circuit is switched off during the set back period provided the frost protection function which depends on the outside temperature is not activat e...

Страница 57: ...r cylinder Min hot water temp 44 C HK2 5 Time programme Mon 1 00 00 24 00 2 3 Select weekday block You can set the heating times for each heating cir cuit in the HK2 time programme menu Up to three heating times can be programmed per day or block The control system operates according to the heating curve and the room setpoint tempera ture Mon Fri 0 00 24 00 DHW loading 5 Time programme Mon 1 06 00...

Страница 58: ...rogram Period 1 01 01 2003 01 01 2003 Period 2 01 01 2003 01 01 2003 Room Temp setpoint 15 C Basic data 7 Date 21 04 08 Day of week Mo Time 09 35 Settable values In the Basic data menu you can set the current date the day of the week and if no DCF radio re ception is possible the current time for the control ler These settings apply to all connected system compo nents Code layer 8 Code number 0 0 ...

Страница 59: ... be able to make any more changes in the code level 1000 HK2 C2 Parameters Type direct circuit Heating curve 0 80 Max limit outs temp 21 C Comp starts at 120 min Settable values Type Direct circuit for direct hydraulics Mixer circuit for buffered hydraulics Fixed value can only be set via vrDIALOG 810 2 Heating curve Adjustable heating curve not with fixed value Maximum limit outside temperature T...

Страница 60: ... times for each heating circuit HK2 C5 Parameters Switch on room temp None Remote control Yes 23 C Settable values Only when using the VR 90 VR 80 remote control Switch on room temperature None Room temperature from the remote control is not taken into account Switch on In addition to the selected heating curve the heating flow temperature is also affected by the difference between the setpoint an...

Страница 61: ...s only ena bled for post heating in heating mode below this temperature can be set in Menu A3 no Aux no Aux Cooling C8 Max Flow Setpoint 22 C Select The menu is only displayed for hydraulics with cool ing mode Flow temperature Display of target flow tempera ture The value can be changed A number of components for the passive cooling op eration must be installed on the customer side For information...

Страница 62: ...at compressor inlet T inlet compressor compressor input intake side Display of temperature sensor T2 Diagnosis D2 Refrigerant circuit Overheat 4K Subcooling 10K Temp TEV inlet 10 C Superheating of the coolant calculated from T2 and low pressure sensor Only displayed when the com pressor is operating Subcooling of the coolant calculated from T4 and high pressure sensor Only displayed when the com p...

Страница 63: ...which the errors occurred The error code identifies the error You will find a listing in Chap 10 Turning the dial shows the next error Statistics I2 Compressor hours 7 hours Compressor starts 33 Aux heating hours 2 hours Aux heating starts 21 Compressor hours Compressor operating hours to date Compressor starts Number of compressor starts to date Aux heating hours Auxiliary heating operating hours...

Страница 64: ...n 1 no buffer cylinder no DHW cylinder 2 with buffer cylinder no DHW cylinder 3 no buffer cylinder with DHW cylinder 4 with buffer cylinder with DHW cylinder 9 with buffer cylinder without domestic hot water cylinder with external passive cooling 10 with buffer cylinder with domestic hot water cylinder with external passive cooling See Figs 6 8 to 6 12 Note Additional hydraulic plans may only be s...

Страница 65: ...r post heating in the heating mode if the out side temperature is below this value none 5 C Installation assistant A4 Geothermal settings Freeze protect Temp 10 C Settable values VWS only Freeze protect temp Minimum permissible heat source outlet temperature If the temperature falls below this value error mes sage 21 22 or 61 62 appears and the compressor switches off VWW Freeze protect temp 4 ºC ...

Страница 66: ...ssary Tool A8 Outside temperature 0 0 K DHW sensor SP 0 0 K T Flow Mix Offset VF2 0 0 K Buffer sensor RF1 0 0 K Manual adjustment of the displayed temperatures Offset adjustment range Outside temperature 5 K step size 1 0 K all others 3 K step size 0 5 K Flow sensor VF2 temp is always displayed Internal sensors can only be changed via vrDIALOG buffer sensors and cylinder sensors only if the corre ...

Страница 67: ...n has elapsed reaching the time or by pressing the dial again Display shown Description We 16 02 08 9 35 Energy saving enabled Select end time Energy saving function With the saving function you can set back the heating times for a set table period Enter the time for the end of the saving function in the format hh mm hour minute We 16 02 08 9 35 Party function enabled Party function With the party...

Страница 68: ...ault setting Keep the dial and the dial pressed for longer than 5 seconds After that you can select whether to reset only the timer programme or all values to the default settings Display shown Description We 21 04 08 9 35 Factory setting cancel NO YES Time programme NO YES Everything NO YES Settable values The default settings will be reinstated Caution Ensure that a qualified technician performs...

Страница 69: ... heating circuits appear in the display HK2 HK2 Software version The status provides information about the operating state of the heat pump software Elec Tariff switch Status of power interruption due to activation of the EVU contact blocking initiated by the power company no no blocking yes blocking active activation by means of e g ripple control signal receiver Phase Status Phase status display...

Страница 70: ...low temperature Hysteresis 7K Compressor starts h Comp starts h Maximum of allowable compressor starts per hour 3 5 3 Max CH return temp HK 46 C Max CH return temp HK Sets the return temperature limits for compressor operation This function should pre vent unnecessary short term operation of the compres sor 46 C Delta T T3 T7 Delta T T3 T7 Max permissible difference between the heat source inlet a...

Страница 71: ...are suitable for R 407 C coolant Only genuine Vaillant replacement parts may be used for maintenance work to ensure the long term working order of all functions of your Vaillant appliance and to prevent changes to the approved production standard Any spare parts which might be required are listed in the relevant current spare parts catalogues Information can be obtained from Vaillant Customer Serv...

Страница 72: ...after the error has occurred and are written to the controller s error memory if the error is present for approximately 3 minutes You can call up the error memory in Menu I1 As long as the fault is present you can call up the fault display by turning the dial 1 x to the left starting from the graphics display Error History I1 Fault number 1 Fault code 41 16 02 08 07 18 Error CH circuit Sensor T3 h...

Страница 73: ...on of temperature sensor Deactivate temperature error detection C13 Table 10 1 Malfunctions of eBUS components 10 3 Displays in the error memory and under Warning message The heat pump including the compressor remains in operation The following errors are displayed in the error memory and in Menu 1 as warning messages Fault code Error text description Possible cause Solution 26 Overheating on comp...

Страница 74: ...source Check the plug contact on the PCB and the cable harness check the sensor for correct position and function resistance measurement using VR 11 characteristics see Appendix replace sen sor Check the volume flow of the well pump brine pump optimum temp difference approx 3 5 K Fit clean dirt filter 22 only VWS Frost protection heat source over source outlet Source outlet temperature T8 too low ...

Страница 75: ...trainers clogged or in correctly dimensioned Clean dirt strainers Stop valves closed Open all stop valves Coolant flow rate too low e g ther mal expansion valve TEV incorrectly adjusted or defective Check coolant circuit 28 Coolant pressure too low The integral low pressure switch has tripped at 1 25 bar g Heat source providing too little heat Possible causes VWS only Air in heat source circuit Bl...

Страница 76: ...rly plugged into the PCB Check the plug contact on the PCB and the cable harness check the sensor for correct position and function resistance measurement using VR 11 characteristics see Appendix replace sensor 41 Error heat source sensor T3 Short circuit in the sensor possible The internal sensor for the source inlet temperature is defective or not properly plugged into the PCB 42 Error HP return...

Страница 77: ...ng circulation pump or pump output has reduced Test heating circulation pump replace if necessary Existing dirt strainers clogged or in correctly dimensioned Clean dirt strainers Mixer behind buffer cylinder is defec tive Test mixer replace if necessary Max HK temp set too low Check Max HK temp setting 81 Coolant pressure too high Error 27 has occurred three times in a row possible See Error 27 Se...

Страница 78: ...onnected Check start up current limiter 96 Error sensor fault Short circuit in the pressure sensor possible A pressure sensor in the coolant cir cuit is defective or not properly plugged in Check the plug contact on the PCB and the cable harness check pressure sensor for correct functioning replace pressure sensor Table 10 5 Fault induced shutdown cont 10 6 Other errors malfunctions Malfunction si...

Страница 79: ...ts no danger in normal use and under normal conditions With improper use however it can cause injury and damage a Caution Environmental hazard Before disposal of the heat pump the coolant must be disposed of at special facilities 12 Warranty and customer service 12 1 Vaillant Warranty Vaillant provide a full parts and labour warranty for this appliance The appliance must be installed by a suitably...

Страница 80: ...0 0 0 7 0 84 6 6 12 0 0 72 0 83 8 5 16 0 0 76 0 86 10 2 18 0 0 75 0 86 3 x 3 3 x 13 A EN 60529 level of protection IP 20 Hydraulic connections Heating circuit flow and return Heat source flow and return mm mm G 1 1 2 G 1 1 2 Heat source circuit brine circuit Brine type Max operating pressure Min inlet temperature Max inlet temperature MPa bar C C Ethylene glycol 30 0 3 3 10 20 Nominal flow rate dT...

Страница 81: ...ld only be carried out by authorised specialists 13 2 Technical Data VWW Description Unit VWW 220 2 VWW 300 2 VWW 380 2 VWW 460 2 Article number 0010002801 0010002802 0010002803 0010002804 Height without connections Width Depth without pillars Depth with pillars mm mm mm mm 1200 760 900 1100 Weight With packaging Without packaging Ready for operation kg kg kg 340 310 325 354 324 343 374 344 366 39...

Страница 82: ...mbar l h mbar W 5099 106 2603 31 6960 152 3600 45 8700 198 4500 58 10440 251 5520 76 Coolant circuit Coolant type R 407 C Quantity kg 4 3 5 99 6 7 8 6 Permissible operating overpressure Compressor type Oil Oil filling capacity MPa bar l 2 9 29 Scroll Ester 4 4 4 14 4 14 Heat pump performance data W10W35 dT5 Heating output Power consumption Performance figure COP W10W35 dT10 Heating output Power co...

Страница 83: ...exible connecting hoses been insulated with thermal insulation Was the heating circuit flushed filled and bled Was the heating circuit checked for leaks Were the pipes thermally insulated against vapour diffusion Brine circuit checklist VWS only Was the brine circuit pressure tested with water and checked for leaks Were the water antifreeze mixing proportions e g 2 1 observed Was the frost protect...

Страница 84: ...m contact opening fit ted on the customer side and was it appropriately labelled Were all electrical connections properly made and in accordance with the specified electrical circuit diagrams Was the protective earth properly connected Do all conductors have the required cross sections Were the required automatic safety devices used and labelled in accordance with the conductor cross sections and ...

Страница 85: ...n Please fill in the following tables to facilitate any servicing work that may arise Installation and commissioning were carried out by Heat source construction Date Company Name Telephone Electrical installation Date Company Name Telephone Start up Date Company Name Telephone Reference 15 ...

Страница 86: ...at pump system Details Unit designations of the installed heat pump Details regarding the domestic hot water cylinder Domestic hot water cylinder type Domestic hot water cylinder capacity Electric auxiliary heating Yes No Details regarding room thermostats VR 90 other none Details regarding the heat source system Details Number of probes Spacing between probes Drilling depth of the probes Details ...

Страница 87: ... system Details Checks before handing over to the user Pressure of the heating circuit in a cold state Does the heating system get warm Does the water in the DHW cylinder get warm Controller settings Were the basic settings made on the controller Was the anti Legionella function programmed Interval and tem perature Handover to the user Details Was the user instructed on the following points Basic ...

Страница 88: ...83 105 158 110 137 115 120 120 104 125 92 130 81 135 71 140 63 145 56 150 50 155 44 Table 1 Appendix VR 10 sensor characteristics Internal heat pump temperature sensors Temperature C Resistance ohms 40 327344 35 237193 30 173657 25 128410 20 95862 15 72222 10 54892 5 42073 0 32510 5 25316 10 19862 15 15694 20 12486 25 10000 30 8060 35 6535 40 5330 45 4372 50 3605 55 2989 60 2490 65 2084 70 1753 75...

Страница 89: ...WW 0020051574_01 VRC DCF outside temperature sensor Temperature C Resistance ohms 25 2167 20 2067 15 1976 10 1862 5 1745 0 1619 5 1494 10 1387 15 1246 20 1128 25 1020 30 920 35 831 40 740 Table 3 Appendix VRC DCF sensor characteristics Appendix ...

Страница 90: ...o Fig 1 Appendix Heat pump components 1 High pressure sensor 2 High pressure switch 3 Compressor 4 Low pressure sensor 5 Low pressure switch 6 Heat source circuit pressure sensor 7 Evaporator 8 Expansion Valve 9 Condenser 10 Filter drier 15 Heating circuit pressure sensor To be provided on the customer side 11 DHW return line 12 3 way diverter valve 13 Heating return 14 Heating supply hot water ...

Страница 91: ...y to Fig 2 Appendix Heat pump components 1 High pressure sensor 2 High pressure switch 3 Compressor 4 Low pressure sensor 5 Low pressure switch 6 Flow Switch 7 Evaporator 8 Expansion Valve 9 Condenser 10 Filter drier 15 Heating circuit pressure sensor To be provided on the customer side 11 DHW return line 12 3 way diverter valve 13 Heating return 14 Heating supply hot water Appendix ...

Страница 92: ...ector Compressor Regulator Compressor ICL Compressor Protector Brine pump Regulator Brine pump Auxiliary heater Pressure sensors Temperature sensors Phase monitoring Fuse T4A 250V Fuse T4A 250V Low pressure sensor Pressure sensor High pressure sensor Heating circuit pressure sensor High pressure switch Low pressure switch see Fig 5 6 page 29 Fig 3 Appendix circuit diagram for VWS 220 VWS 300 Appen...

Страница 93: ...pressor Regulator Compressor ICL Compressor Protector Brine pump Regulator Brine pump Auxiliary heater Pressure sensors Temperature sensors Phase monitoring Fuse T4A 250V Fuse T4A 250V Low pressure sensor Pressure sensor High pressure sensor Heating circuit pressure sensor High pressure switch Low pressure switch see Fig 5 6 page 29 Fig 4 Appendix circuit diagram for VWS 380 VWS 460 Appendix ...

Страница 94: ...mpressor Regulator Compressor ICL Compressor Protector brine pump Regulator brine pump Auxiliary heater Pressure sensors Phase monitoring Fuse T4A 250 V Fuse T4A 250V Temperature sensors Low pressure sensor Pressure sensor High pressure sensor Heating circuit pressure sensor see Fig 5 6 page 29 Fig 5 Appendix circuit diagram for VWW 220 VWW 300 Appendix ...

Страница 95: ...mpressor Regulator Compressor ICL Compressor Protector brine pump Regulator brine pump Auxiliary heater Pressure sensors Phase monitoring Fuse T4A 250 V Fuse T4A 250V Temperature sensors Low pressure sensor Pressure sensor High pressure sensor Heating circuit pressure sensor see Fig 5 6 page 29 Fig 6 Appendix circuit diagram for VWW 380 VWW 460 Appendix ...

Страница 96: ...0020051574_01 GB 112008 ...

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