Vaillant geoTHERM SERIES Installation And Servicing Download

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Installation and Servicing

For the installer

Installation and Servicing

geoTHERM

VWL 45/1(*) VWL 65/1(*) VWL 75/1
VWL 125/1

VWL 155/1

(*) only available on special order

Summary of Contents for geoTHERM SERIES

Page 1: ...Installation and Servicing For the installer GB Installation and Servicing geoTHERM VWL 45 1 VWL 65 1 VWL 75 1 VWL 125 1 VWL 155 1 only available on special order ...

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Page 3: ... 5 2 Appliance use manufacturer responsibility 9 TECHNICAL DATA 6 geoTHERM 10 INSTALLATION 7 Appliance location 12 7 1 Heat pump location 12 7 2 Clearances 13 7 3 Command unit location 13 8 Installing the command unit 14 9 Installing the heat pump 14 9 1 Scope of delivery 14 9 2 Recommendations before installation 15 9 3 Dimensions 15 9 4 Mounting 16 9 5 Positioning the appliance 17 10 Examples of...

Page 4: ... the glycol circuit 36 14 2 Activating the heat pump 36 14 3 Activating the options 36 14 4 Heating system test 36 15 Specific adjustment 36 15 1 Adjusting the heating circuit 36 15 2 Settings for the command unit 37 15 3 Configuration of the booster heating 44 16 User information 45 MAINTENANCE 17 Trouble shooting 46 17 1 Fault diagnosis 46 17 2 Fault codes 46 18 Servicing 47 18 1 Annual Maintena...

Page 5: ...s This appliance is designed for use in heating with an external temperature of between 20 C and 30 C Outside this range the heat pump stops A set of security devices based on measuring the temperature within the circuits and the current in the compressor protects it against excess pressure in the refrigerating fluid A flow detector protects the appliance as a whole To prevent stagnation of the re...

Page 6: ...ffect gas European directive No 2006 842 of the European Parliament and the Council of May 17 2006 on certain fluorinated greenhouse gasses OJEU of June 14 2006 2 3 2 Local regulations Benchmark places responsibilities on both manufacturers and installers The purpose is to ensure that customers are provided with the correct equipment for their needs that it is installed commissioned and serviced i...

Page 7: ... Max temperature settings in heating 60 50 70 40 45 30 20 10 0 20 10 0 10 20 30 A B Key A Water temperature B Air temperature 2 4 3 Principle for controlling the heat pump The heat pump can be controlled in two different ways The choice of the type of control is set in the After Sales Service menu Control through the command unit used as an room thermostat This configuration is recommended in the ...

Page 8: ...c purge vent for the heat pump circuit 10 Water flow detector for the heat pump circuit 11 Circulator for the heat pump circuit 12 Safety valve for the heat pump circuit 13 Expansion vessel in this position for the 12 and 15 kW models 14 Flow temperature sensor for the heat pump 15 Return temperature sensor for the heat pump 16 Draining valve for the heat pump circuit 17 Plate to plate exchanger 1...

Page 9: ...portant any action carried out on the refrigerant circuit must be performed by qualified personnel Use only R410A refrigerant The tools used for charging for measuring pressure for creating a vacuum and for the recovery of the fluid must be compatible with and employed solely for R410A Welding is to be carried out with nitrogen and the circuit s air tightness is to be tested under pressure with ni...

Page 10: ...rective you will contribute to the preservation of natural resources and the protection of human health 4 2 Packaging The competent person who installed the appliance must Sort the waste so as to separate those which can be recycled cardboard plastics from those that cannot Dispose of the waste in compliance with regulations in force 4 3 Refrigerant a The appliance contains R410A refrigerant The r...

Page 11: ... maintenance should be carried out by a competent person approved at the time by the Health and Safety Executive in accordance with the rules in force in the countries of destination b The guarantee detailed above is applicable on the condition that The appliance is installed by a competent person in accordance with installation instructions The appliance is used for normal domestic purposes and i...

Page 12: ... 15 6 COP A7 6 W35 30 4 05 4 24 3 96 3 94 4 06 Refrigerant circuit Type of refrigerant Quantity of refrigerant kg 1 195 1 13 1 81 2 485 3 385 Type of compressor Rotary Type of oil Polyolester Type of regulator Electronic Fan speed rpm 1000 1000 1000 805 1050 Maximum operating pressure PS bar 45 45 45 45 45 Pa 45 x 105 45 x 105 45 x 105 45 x 105 45 x 105 Hydraulic circuit Max supply pressure bar 3 ...

Page 13: ...IPX4 Electrical classification 1 1 1 1 1 Description Unit VWL 45 1 VWL 65 1 VWL 75 1 VWL 125 1 VWL 155 1 Dimensions Height mm 821 821 821 1363 1363 Width mm 908 908 908 908 908 Depth mm 326 326 326 326 326 Ø Water circuit connections 1 1 1 1 1 Nett total weight kg 59 61 71 105 130 Sound power level overall exterior noise according to EN 12102 and EN ISO 9614 1 dBA 62 62 64 67 68 only available on ...

Page 14: ...ater gas and flue can be accessed and inspected see chapter Clearances Observe current regulations Install the appliance outside Do not install the appliance near a heat source near flammable materials near the ventilation points of adjacent buildings beneath deciduous trees Take into account the following when installing the heat pump prevailing winds the noise generated by the fan and the compre...

Page 15: ...otected from frost at approximately 1 50 m from the floor according to the regulations in force for comfortable and visible reading near to generators respecting the conditions for accessibility and security of the generator Do not install the appliance near to sources of heat such as radiators fireplace walls televisions or solar radiation above a cooker that is likely to give off steam and greas...

Page 16: ...n the left of the connector and connect them onto terminal 4 See the chapter Installation examples Position the support 3 on a wall Drill holes for the fixing screws in accordance with the 2 fixing holes on the wall support 3 Insert the rawlplugs 2 in the holes Fix the support 3 with the fixing screws supplied 2 1 Key 1 Command unit 2 Wall support Assemble the command unit 1 on the wall support 2 ...

Page 17: ...omponent of the system is not to be installed immediately protect the various connections so plaster and paint cannot compromise the seal on the subsequent connection Install the following components on the heating circuit return a heating filter 2 quarter turn shut off valves 1 each side of the filter an air separator if necessary an anti sludge filter if necessary In the case of a underfloor hea...

Page 18: ... Command unit 1 2 3 4 5 6 7 132 27 132 9 4 Mounting 9 4 1 Unpacking the appliance Carefully remove the packaging and protections without damaging the parts of the appliance 1 1 2 3 Key 1 Transport pallet 2 Attachment screws 3 Heat pump Remove the screws from the transport pallet at the front and rear of the unit INSTALLATION ...

Page 19: ...y or with suitable handling equipment If you move the appliance with a two wheeled trolley respect the following regulations Only lift the appliance from the back Attach the appliance to the two wheeled trolley with a strap Protect surfaces in contact with the trolley to avoid scratching or damaging the appliance Use a sufficiently solid ramp to lower the appliance from the pallet Move the applian...

Page 20: ...ctrical boost one zone control by command unit used as room thermostat for options installation see page 26 230V 230V 230V A B H G E F 230V 230V L N TR8 TR7 TR3 TR1 TR6 TR5 TR4 TR2 AR1 AR2 AR3 AR4 AR5 AR6 CT1 CT2 C 1 auroSTOR 2 D C 1 C L N auroSTOR 2 8 9 8 9 8 14 13 12 11 10 1 1 2 6 2 5 6 2 6 1 6 6 3 6 3 6 1 6 8 8 3 4 7 5 5 1 5 2 7 14 2 3 4 6 3 6 2 6 1 INSTALLATION ...

Page 21: ...it without additional vessel for a water outlet temperature of 35 C l 65 65 65 95 95 Volume of water in the heat pump 1 1 1 2 2 3 2 3 Nominal water fl ow rate m h 0 7 1 1 2 2 1 2 5 i If there is no buffer tank the installation must not contain thermostatic valves on all emitters to ensure that the minimum flow for the installation is provided see table above i Highlighted cable section on electric...

Page 22: ...upply and electrical protection for the heat pump 3 Power supply and electrical protection for the DHW installation 4 Power supply and electrical protection for the booster heating 5 Relay mounting box 10 2 Example installation of scheme B Installation with electric booster and pressure breaker one or more zones control using system with contact inputs 5 1 Timer relay connections terminals TR1 to ...

Page 23: ...uded and is at the choice of the installer geoTHERM 45 1 65 1 75 1 125 1 155 1 Minimum volume of the installation l 14 21 28 42 49 Max volume of heat pump circuit without additional vessel for a water outlet temperature of 35 C l 65 65 65 95 95 Volume of water in the heat pump 1 1 1 2 2 3 2 3 Nominal water fl ow rate m h 0 7 1 1 2 2 1 2 5 i Highlighted cable section on electric diagram 2 5mm For t...

Page 24: ... 3 Example installation of scheme C Installation with boiler booster and pressure breaker one zone controlled by command unit used as room thermostat 230V A B G F E D C 230V 230V 230V L12 9 14 1 2 3 13 12 6 6 6 6 10 10 6 11 6 7 7 8 4 5 1 4 R5 5 8 2 3 INSTALLATION ...

Page 25: ...h 0 7 1 1 2 2 1 2 5 i For the dimensioning of the cables and the electrical protection on the appliances see the chapter Electrical connection b The boiler used in back up must be equipped with a device limiting the water temperature at 65 C radiator or 53 C underfloor heating Adjusting the heat pump s command unit To find out the description of each function see the chapter Specific adjustment Me...

Page 26: ...tallation of scheme D Installation with boiler booster and pressure breaker one or more zones control using system with contact inputs 230V 230V A B G F E D C S3 S2 S1 S4 230V 230V L12 9 18 1 2 3 4 17 16 11 13 12 10 10 14 1 R4 5 7 2 3 4 6 5 8B 7 15 8A 8 7 8A 6 8B INSTALLATION ...

Page 27: ...ice of the installer geoTHERM 45 1 65 1 75 1 125 1 155 1 Minimum volume of the installation l 14 21 28 42 49 Max volume of heat pump circuit without additional vessel for a water outlet temperature of 35 C l 65 65 65 95 95 Volume of water in the heat pump 1 1 1 2 2 3 2 3 Nominal water fl ow rate m h 0 7 1 1 2 2 1 2 5 i For the dimensioning of the cables and the electrical protection on the applian...

Page 28: ...roSTOR 2 D C E F A B 230V 1 R17 6 5 1 3 4 6 2 5 Key 1 Power supply and electrical protection for the booster heating 2 Buffer tank if necessary 3 Air venting 4 Flush vent 5 Electric heating booster 6 Overheating safety if underfloor heating R17 Power relay for the heating booster Not delivered with the appliance INSTALLATION ...

Page 29: ...ow heat pump connection in the direction of the building Install the filter on the heat pump return pipe Install it between 2 shut off valves in order to be able to remove if from the circuit and clean it periodically Insulate all exposed pipework 12 Discharge of condensate When the appliance is operational it will produce condensation that needs to be drained off 1 2 600 150 150 430 400 363 37 Ke...

Page 30: ...n glycol pump A 2 13 1 Access to main board B A A A C 2 1 Key 1 Terminal blocks for 230 V and 12 V connection 2 Front panel Remove the fastening screws A Slide the front panel 2 downwards B and pull it towards yourself B using the handle To close the appliance carry out the operations in reverse order 13 2 Cable passage e The low and mains voltage cables must be inserted in different sleeves 2 1 K...

Page 31: ...Contact switching power 230VAC 1A Temporized function Flasher ON delay Contact ON OFF Coil 230 VAC OFF T1 T1 Apply power to timer Output contacts transfer immediately and cycle between ON and OFF for as long as power is applied The ratio is 1 1 time on time off Temporization setting requirements For low thermal inertia installation radiators the time T1 must be set to 30 minutes For High thermal i...

Page 32: ...2kW 15kW 1FS 1T 1TR 1PS 1LWT 1EWT 1PCB Key 1PS Circulator 1LWT Flow temperature sensor for heat pump circuit 1TR Temperature sensor for detecting the end of defrost 1EWT Temperature sensor for flow of heat pump circuit 1FS Flow detector 1T Transformer 1PCB Command board only available on special order INSTALLATION ...

Page 33: ... 45CF 1 2 3 1 F7 P03 P10 P02 CN806 1 CN300 CN700 CN503 CN502 CN501 CN500 1TB 1 1 6 1 1 1 1 1 N 46CF 3 2 1 47CF 6 5 4 3 2 1 48CF 3 2 1 49CF 2 1 50CF 3 2 1 51CF 2 1 3 L N PE U1 U3 L2 N4 PE N L 230V 1 50Hz 1TD 1TS 2R 1R 1FM 1FL 6CM 1TE 1TO 1RV 1PMV Key 1FM Fan motor 1PMV Electronic expansion unit 1TS Temperature sensor for compressor suction 1TO Exterior temperature sensor 1TD Compressor discharge te...

Page 34: ... 45CF 1 2 3 1 F7 P03 P10 P02 CN806 1 CN300 CN700 CN503 CN502 CN501 CN500 1TB 1 1 6 1 1 1 1 1 N 46CF 3 2 1 47CF 6 5 4 3 2 1 48CF 3 2 1 49CF 2 1 50CF 3 2 1 51CF 2 1 3 L N PE U1 U3 L2 N4 PE N L 230V 1 50Hz 1TD 1TS 2R 1R 1FM 1FL 6CM 1TE 1TO 1RV 1PMV Key 1FM Fan motor 1PMV Electronic expansion unit 1TS Temperature sensor for compressor suction 1TO Exterior temperature sensor 1TD Compressor discharge te...

Page 35: ... 45CF 1 2 3 1 F7 P03 P10 P02 CN806 1 CN300 CN700 CN503 CN502 CN501 CN500 1TB 1 1 6 1 1 1 1 1 N 46CF 3 2 1 47CF 6 5 4 3 2 1 48CF 3 2 1 49CF 2 1 50CF 3 2 1 51CF 2 1 3 L N PE U1 U3 L2 N4 PE N L 230V 1 50Hz 1TD 1TS 2R 1R 1FM 1FL 6CM 1TE 1TO 1RV 1PMV Key 1FM Fan motor 1PMV Electronic expansion unit 1TS Temperature sensor for compressor suction 1TO Exterior temperature sensor 1TD Compressor discharge te...

Page 36: ...1 45CF 1 2 3 1 F7 P03 P10 P02 CN806 1 CN300 CN700 CN503 CN502 CN501 CN500 1TB 1 1 6 1 1 1 1 1 N 46CF 3 2 1 47CF 6 5 4 3 2 1 48CF 3 2 1 49CF 2 1 50CF 3 2 1 51CF 2 1 3 L N PE U1 U3 L2 N4 PE N L 230V 1 50Hz 1TD 1TS 2R 1R 1FM 1FL 6CM 1TE 1TO 1RV 1PMV Key 1FM Fan motor 1PMV Electronic expansion unit 1TS Temperature sensor for compressor suction 1TO Exterior temperature sensor 1TD Compressor discharge t...

Page 37: ...29 51CF 1 2 3 4 5 ED 1 CN302 1 52CF 1 2 3 53CF 1 2 3 1 P19 CN04 CN03 P20 P17 P18 CN600 1 54CF 1 2 3 1 55CF 1 2 CN09 CN10 CN11 CN301 56CF 1 2 3 1 CN600 57CF 1 2 3 4 5 1 CN300 58CF 1 2 1 CN605 59CF 1 2 1 CN604 60CF 1 2 THERMOSTAT FOR COMPRESSOR 1 CN500 2T 1 2 61CF 1 2 3 1 CN601 1 CN606 R C S 1 N 3 J4 1 2 10 J3 1 2 03 J1 1 2 08 1TD 1TS 1TH 1FM 2FM 1CM 1TE 1TO 1RV 1PVM Key 1RV 4 way cycle inversion ga...

Page 38: ...with the installation Position the circuit breaker located on the electrical circuit box and connected to the heat pump to the ON position The main screen for the command unit is displayed See the chapter Example installation to enter all the settings corresponding to your installation 14 3 Activating the options See the instructions for each option to activate them and enter their settings 14 4 H...

Page 39: ...able pressure kPa B Flow in the circuit l h geoTHERM VWL 125 1 VWL 155 1 flow pressure curves A B 0 10 20 30 40 50 60 70 80 720 1440 2160 2880 1 2 3 Key 1 Speed I 2 Speed II 3 Speed III A Available pressure kPa B Flow in the circuit l h 15 2 Settings for the command unit 15 2 1 Overall view 1 2 3 4 5 6 7 14 1 2 3 7 6 5 4 10 9 8 13 12 11 Key 1 Selection of standby mode in the weekly programming 2 H...

Page 40: ... the heat pump 0 Stopped 3 Heating 0 3 0 Yes 2 Protection against frost Function to protect the installation against frost when the heat pump is stopped 1 Deactivated 2 Activated 1 2 1 Yes 3 Temperature triggering protection against frost Choose the ambient temperature of the dwelling from which the installation s protection against frost is activated 6 C 12 C 6 C Yes 4 Correction of the ambient t...

Page 41: ...ing temperature Choose the ambient temperature in heating mode for the Eco temperature 12 C 38 C 15 C Yes 20 Eco cooling temperature Choose the ambient temperature in cooling mode for the Eco temperature 12 C 38 C 28 C Yes 21 Ambient temperature setting This parameter displays the ambient temperature of the room where the command unit is installed 12 C 38 C No 22 Displaying fault codes Every secon...

Page 42: ...4 Test modes By activating these various test modes you can trigger special functions on the appliance 0 No test 1 Force the circulator 2 Force output between terminals 5 and N code 147 3 Force output between terminals 4 and N code 106 4 Force output between terminals 11 and N code 108 5 Force output between terminals 12 and N code 156 6 Force the 3 way gate 7 Not used 8 Not used 0 9 0 Yes 105 Res...

Page 43: ...sed heating curves codes 118 119 120 121 20 15 10 5 0 5 10 15 20 A B 0 10 20 30 40 50 60 2 3 1 4 Key 1 Code 118 2 Code 119 3 Code 120 4 Code 121 A Heating flow temperature C B Exterior temperature C Code Function Description Setting Factory setting Modifiable parameter Min Max Setting codes 118 to 121 is necessary only if code 112 0 118 Minimum reference exterior temperature Choose the minimum ref...

Page 44: ...ressor This parameter displays the number of hours during which the compressor has functioned since first activation No 136 Capacity of the heat pump This parameter displays the capacity of the heat pump No 137 Return temperature of the heat pump circuit This parameter displays the return temperature of the heat pump s circuit No 138 Flow temperature of the heat pump s circuit This parameter displ...

Page 45: ... T0 exterior T T1 1 60 20 minutes Yes 152 Differential stop start booster heating This parameter defines the differential between the installation s water temperature setting and the water temperature from which the booster heating switches on when T0 exterior T T1 1 C 20 C 5 C Yes 153 Mode of activation hot water demand contact S5 1 Always active demand for hot water is always met 2 Activated onl...

Page 46: ...ning only Z2 Heat pump functioning only T0 Limit exterior temperature parameter 148 T1 Exterior temperature bivalence point parameter 150 A Heating power kW B Exterior temperature C The functioning range for the booster heating and the setting for the bivalence point are defined by parameters T0 and T1 T0 code 148 limit exterior temperature for the functioning of the heat pump For installations wi...

Page 47: ...urves 3 and 5 locate the bivalence point 2 to obtain the value of the parameter T1 Settings for the command unit T0 parameter 148 limit exterior temperature for the heat pump to function 10 C T1 parameter 150 exterior temperature for the bivalence point 3 C 16 User information At the end of the installation the installer must explain the operation of the appliance and its safety devices to the use...

Page 48: ...n 8 Power matching fault between the electronic control circuit board and the appliance 9 Water fl ow rate n 10 or circulator pump n 11 sensor fault 10 Outside air temperature greater than the maximum in heating parameter 119 11 Air temperature higher than the maximum value for heating 14 Loss of compressor signal 15 Heat pump outlet temperature sensor fault n 14 17 Outside air temperature sensor ...

Page 49: ...er to restart the appliance 18 1 Annual Maintenance Check the proper functioning of safety devices Check the pressure of the water system Check that there are no traces of rust or oil around the cooling circuit s components Ensure that the appliance s components are neither worn nor broken Check that the wires are firmly attached to the electrical terminals Check the appliance s earthing Check the...

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Page 52: ...ce Record has been explained and left with the customer Yes CENTRAL HEATING MODE Heating Flow Temperature C Heating Return Temperature C ALL SYSTEMS The heating system has been filled and pressure tested Yes Expansion vessel for heating is sized fitted charged in accordance with manufacturer s instructions Yes The heat pump is fitted on a solid stable surface capable of taking its weight Yes The s...

Page 53: ...ments Signature Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Date Engineer Name Company Name Telephone No Operative ID No Com...

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Page 56: ...Installer_manual_OEM_Vaillant_PROTO_3_GB GB 06 2011 Subject to engineering changes ...

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