Vaillant geoTHERM VWS Series Installation Instructions Manual
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Vaillant geoTHERM VWS Series Installation Instructions Manual

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For the heating engineer
Installation instructions
geoTHERM
Heat pump
VWS/VWW
GB

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Summary of Contents for Vaillant geoTHERM VWS Series

  • Page 1 For the heating engineer Installation instructions geoTHERM Heat pump VWS/VWW...

  • Page 2: Table Of Contents

    Contents Contents Contents Electrical control box ..........25 Connecting the power supply ........ 25 6.4.1 Unblocked mains supply (Electroplan 1) ....26 Notes on the documentation ......3 6.4.2 Dual circuit feed, heat pump tariff Storage of the documents ........3 (Electroplan 2) ............

  • Page 3: Notes On The Documentation 1

    12.1 Vaillant warranty............75 for him or her to store it so that it is available whenever 12.2 Vaillant Service ............75 it is required. Technical data ........... 76 Symbols used 13.1 Technical data - VWS ..........

  • Page 4: Applicability Of The Manual

    1 Notes on the documentation Applicability of the manual The units are intended as heat generators for closed These installation instructions apply exclusively to appli- hot-water central heating installations, for cooling oper- ances with the following part numbers: ation and for hot water generation. Any other use or ex- tended use is considered to be improper.

  • Page 5: Description Of The Appliance

    The type desig- nation is located at the top of the grey pillar frame. Rated voltage - pumps + controller Rated voltage - auxiliary heating Vaillant GmbH Remscheid / Germany Serial-No. 21054500100028300006000001N1 Rated maximum power VWS 61/2...

  • Page 6: Functional Principle

    Domestic um at a lower temperature. hot water cylinder The Vaillant geoTHERM heat pump can be supplied from Switching valve different heat sources such as, e.g. geothermal heat Heating water circuit Heating water pump (geoTHERM VWS) or ground water (geoTHERM VWW).

  • Page 7: Design Of The Heat Pump

    Fig. 2.7) and fed away underneath it. Drop formation under the unit is thus possible. Design of the heat pump The Vaillant geoTHERM heat pump is available in the Fig. 2.4 Front view VWS/VWW versions listed below. The versions differ principally in their output.

  • Page 8: Component Groups - Vws

    2 Description of the device 2.3.1 Component groups - VWS Fig. 2.5 Rear view VWS/VWW Key to Fig. 2.5 Return to domestic hot water cylinder 2 Heat source to the heat pump Fig. 2.6 VWS - Front view, covers removed 3 Heat source from the heat pump 4 Transportation handles Key to Fig.

  • Page 9: Component Groups - Vww

    Description of the device 2 2.3.2 Component groups - VWW General notes on operating modes and functions There are five operating modes available for the heating circuit and these can be used for time and temperature control of the heat pump (see Chap. 8 "Control sys- tem").

  • Page 10: Safety Instructions And Regulations

    Soften the heating water if the hardness is 3.0 mmol/l (21,05 °e) or greater. You can use the Vaillant Ion Ex- changer (Part. No. 990 349) for this. Observe the en- closed instructions for use.

  • Page 11: Regulations, Rules, Guidelines

    This appliance should only be installed in conjunction Coolant with either a Vaillant flue system or an alternative ap- The heat pump is delivered with an operational filling of proved system (details of flue approval categories can R 407 C coolant. This is a chlorine-free coolant which be found in the technical section of the installation man- does not affect the Earth's ozone layer.

  • Page 12: Assembly And Installation

    Table 4.1 Minimum installation space VIH and VDH domestic hot water cylinder The Vaillant VIH coiled tube tank and the Vaillant VDH double wall tank are specially designed to be combined with heat pumps and are used for heating and storing hot water.

  • Page 13: Dimensions And Clearances

    Assembly and installation 4 Dimensions and clearances 1200 0-10 1) Fig. 4.1 Dimensions and clearances Adjustable feet adjustable in height by 10 mm Installation instructions geoTHERM VWS/VWW 0020057444_01...

  • Page 14: Assembly/Installation At A Glance

    4 Assembly and installation Preparatory work in the installation area 300 mm 10 mm 300 mm 300 mm Fig. 4.3 Preparatory work in the installation area • Make sure that the substrate is sufficiently stable (see Chap. 4.2 "Requirements for the installation site"). 600 mm •...

  • Page 15: Requirements Of The Heating Circuit

    Assembly and installation 4 Requirements of the heating circuit Scope of delivery The heat pump is only suitable for connection to a closed central heating installation. To ensure trouble- free operation, the central heating installation must have been installed by authorised specialists in compli- ance with the applicable regulations.

  • Page 16: Unpacking The Unit And Checking The Delivery

    4 Assembly and installation Transporting the heat pump Pos. Amount Description The handles on the rear side of the unit are provided as Heat pump transportation aids (see Fig. 2.5, Item. 4). Operating console, pillar cover Gaskets (yellow/green) for heating circuit elbow Danger! unions M6 flat-headed screws for fitting the operating...

  • Page 17: Installing The Heat Pump

    Assembly and installation 4 We recommend that the heat pump be transported with 4.10 Installing the heat pump the aid of a suitable barrow. 0-10 mm Fig. 4.8 Adjusting the feet • Pay attention to the minimum wall clearances when installing the heat pump (see Fig.

  • Page 18: Removing The Cladding

    4 Assembly and installation 4.11 Removing the cladding The cladding panels are screwed on and additionally provided with retaining clips. Fig. 4.10 Removing the front lower cladding • Unfasten the two screws on the console frame and pull it, together with the front lower cladding, away from the casing.

  • Page 19: On-Site Installation

    Assembly and installation 4 4.12 On-site installation Caution! Flush the heating system thoroughly be- fore connecting the appliance! By doing that, residue such as welds, cinder, hemp, putty, rust, rough dust and similar substances are removed from the pipes. Otherwise such substances can be deposited in the appliance and cause damage.

  • Page 20: Assembly Of The Heating System

    4 Assembly and installation 4.12.1 Assembly of the heating system Caution! Risk of damage! In order to be able to clear any possible overpressure, the heat pump must be connected to an expansion vessel and an expansion relief valve, at least DN 20 with a maximum opening pressure of 3 bar (not supplied).

  • Page 21: Assembly Of The Well System (Vww Only)

    To eration. this end, a water sample must be examined in the labo- ratory and, using the aids provided by Vaillant for as- Note! sessing ground water quality (tables, calculation soft- The heat pump cladding sections are...

  • Page 22: Filling The Brine Circuit (Vws Only)

    The brine fluids that may be used differ greatly from re- gion to region. Please find out about this from the au- thorities responsible. Vaillant only approves of operating the heat pump with the following brine media: – max. 30 % ethylene glycol/water –...

  • Page 23: Well System (Vww Only)

    Filling the heating and heat source systems 5 To fill the brine circuit, proceed as follows: Check the filling level of the brine fluid • Mix the antifreeze used by Vaillant in Germany, Aus- tria and Switzerland, 1.2 % propylene glycol, with Caution! water in the proportion 1 : 2.

  • Page 24: Electrical Installation

    6 Electrical installation Electrical installation Furthermore, take note: – For power, connect the heat pump to a 400 V three- Safety and installation information phase mains supply with one neutral and one earth conductor. Fuse this connection as specified in the Danger! technical data.

  • Page 25: Electrical Control Box

    Electrical installation 6 Electrical control box Fig. 6.1 Electrical control box Connecting the power supply Key to Fig. 6.1 Controller PCB (under the cover plate) with connection strip for Different types of power supply are provided for heat sensors and external components pumps by the power companies.

  • Page 26: Unblocked Mains Supply (Electroplan 1)

    6 Electrical installation 6.4.1 Unblocked mains supply (Electroplan 1) (VWW) 400 V / 50 Hz L2 L1 L3 L2 L1 L3 L2 L1 L3 L2 L1 S S A Z N Fig. 6.2 Unblocked mains feed (supplied configuration) This is how the heat pump is wired when delivered. Key to Fig.

  • Page 27: Dual Circuit Feed, Heat Pump Tariff (Electroplan 2)

    Electrical installation 6 6.4.2 Dual circuit feed, heat pump tariff (Electroplan 2) 400 V / 50 Hz (VWW) 400 V / 50 Hz L2 L1 L3 L2 L1 L3 L2 L1 L3 L3 L2 L1 S S A Z N Fig.

  • Page 28: Dual Circuit Feed, Special Tariff (Electroplan 3)

    6 Electrical installation 6.4.3 Dual circuit feed, special tariff (Electroplan 3) 230 V / 50 Hz (VWW) 400 V / 50 Hz L2 L1 L3 L2 L1 L3 L2 L1 L3 L2 L1 S S A Z N Fig. 6.4 Dual circuit feed, special tariff In this instance the heat pump is operated on two tariffs Key to Fig.

  • Page 29: Connecting External Components

    Electrical installation 6 6.4.4 Connecting external components (VWW) (VWS) L2 L1 L3 L2 L1 L3 L2 L1 Fig. 6.5 Connecting external components VWW only: Key to Fig. 6.5 • Connect the customer-side well pump to the terminals (1). Pump The well pump is connected to the 400 V three-phase supply via the well pump contactor.

  • Page 30: Controller Pcb At A Glance

    6 Electrical installation Controller PCB at a glance A uf A uf DCF O T AF L P /UV 1 SK 2 -P HK 2 -P DC F / AF E VU 1xZP S CH A SB N 2 1 25 24 Fig.

  • Page 31: Wiring The Controller Pcb

    Electrical installation 6 Wiring the controller PCB The controller has an automatic sensor recognition function. You must configure the connected heating cir- cuits in accordance with the system combination. In the following you will find various options for operating the heat pump.

  • Page 32: Direct Heating Operation (Hydraulic Plan 1)

    6 Electrical installation 6.7.2 Direct heating operation (Hydraulic plan 1) The heat pump is connected directly to the underfloor heating circuit. Control is carried out using energy bal- ance control by default (see Chap. 8.4.2). To do this, the VF2 flow temperature sensor must be connected (floor protection circuit).

  • Page 33: Mixer Circuit With Buffer Cylinder (Hydraulic Plan 2)

    Electrical installation 6 6.7.3 Mixer circuit with buffer cylinder (Hydraulic plan 2) The unregulated underfloor heating circuits are operat- ed by the external heating circuit pump from the buffer cylinder via a mixer. The flow temperature sensor sits behind the external pump. The heat pump responds to a demand for heat from the buffer cylinder.

  • Page 34: Direct Heating Operation And Domestic Hot Water Cylinder (Hydraulic Plan 3)

    6 Electrical installation 6.7.4 Direct heating operation and domestic hot water cylinder (Hydraulic plan 3) 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).

  • Page 35: Mixer Circuit With Buffer Cylinder And Domestic Hot Water Cylinder (Hydraulic Plan 4)

    Electrical installation 6 6.7.5 Mixer circuit with buffer cylinder and domestic hot water cylinder (Hydraulic plan 4) The unregulated underfloor heating circuits are operat- ed by the external heating circuit pump from the buffer cylinder via a mixer. The flow temperature sensor sits behind the external pump.

  • Page 36: Cooling

    6 Electrical installation 6.7.6 Cooling The structure of the Vaillant system allows you to run Cooling mode is only possible when using the the eBus from component to component (see Fig. 6.13). VWZ NC 14/17 accessory, and only for VWS 14 and Interchanging the cables does not lead to any impair- VWS 17 heat pumps.

  • Page 37: Connecting Further Mixer Circuits

    Electrical installation 6 6.9.2 Connecting further mixer circuits Like the VR 90 remote control units, the VR 60 mixer modules also communicate with the heating controller via the eBUS. When installing, observe the same proce- dure as for connecting the remote control units (see Chap.

  • Page 38: Connecting An External Boiler

    Connecting an external boiler In both cases, the heat pump switches in the external If your external boiler has a Vaillant eBUS interface, you boiler depending on the heat demand and the controller can connect it to the heat pump eBUS via the VR 32 ac- setting.
  • Page 39 Electrical installation 6 Danger! Risk of electric shock! If the vrnetDIALOG accessory is not being used or does not receive its power supply from the heat pump, the vrnetDIALOG connecting plug (230 V supply) must remain secured inside the heat pump. Fig.
  • Page 40 6 Electrical installation Fig. 6.24 Fitting and connecting the operating console • Connect the connecting cable to the operating con- sole. Fig. 6.25 Fitting the front panel of the operating console • Insert the front panel of the operating console into the spring retainer on the console frame.

  • Page 41: Start-Up 7

    Start-up 7 Start-up Danger! Risk of injury! The heat pump may only be put into operation after all the cladding sections have been fitted. General points regarding start-up • Before putting the heat pump into operation, first check the Start-up Checklist in Chap. 14. The heat pump may only be started if all the points noted there have been satisfied.

  • Page 42: Calling Up The Screens

    7 Start-up 7.2.2 Calling up the screens The menus are identified by a number at the top right of Vaillant the display. You can access the next menu by turning dial. The numbers make it easier to find individual menus during programming.

  • Page 43: Bleeding The Brine Circuit (Vws Only)

    Start-up 7 • Turn the dial until the hydraulic plan matching your Installation completed system has been selected (see Table 7.1). You will find the hydraulic diagram for your installa- tion in Chap. 6.7.2 ff. • Press the dial to confirm the selection. Exit mode? >yes >Values can be set...

  • Page 44: Controller

    8 Controller Controller ed to 15 °C. This function is also active in the "Off" and "Auto" operating modes, regardless of the timer pro- To operate the heat pump economically, it is important grammes. to match the control system to the customer's heating system and to the pattern of use.

  • Page 45: Settable Auxiliary Functions

    Controller 8 Phase monitoring Energy-saving function The sequence and presence of the phases (clockwise ro- This function allows you to set back the heating for an tating field) of the 400 V supply are checked at the ini- adjustable period of time. tial commissioning and continuously checked during op- See Chap.

  • Page 46: Auxiliary Functions Via Vrdialog

    8 Controller When the function is started, the current time of the Fixed value controlling start is saved. The day is changed exactly at this time. Using this function you can set, via vrDIALOG, a fixed After network-off/-on, the floor-drying begins as follows: flow temperature independently of the weather-control- led control system.

  • Page 47: Buffer Cylinder Charging Principle

    Controller 8 8.4.3 Buffer cylinder charging principle In Menus A1 to A9 you are guided through the installa- The buffer cylinder is controlled depending on the set- tion menu during the initial commissioning of the heat point flow temperature. The heat pump heats when the pump.

  • Page 48: Operator Level Sequence Diagram

    8 Controller Operator level sequence diagram Reset to default Graphics display settings 16.02.08 9:35 Factory setting NO/YES Cancel > 5 sec. Time programme NO/YES Everything NO/YES > Select Graphics display cooling* Installer Menu 16.02.08 9:35 Sparen aktiviert for > 12:00 >...

  • Page 49: Code Level Sequence Diagram

    Controller 8 Code level sequence diagram Code layer Parameters change Switch-on room temp. Parameterss Code number: None Raumaufschaltung 0 0 0 0 Parameterss Keine Raumaufschaltung Remote control 23 °C Accept change? Keine >Values can be set 23 °C Fernbedienung >Adjust numeric character >Values can be set 23 °C Fernbedienung...
  • Page 50 8 Controller Installation assistent Auxiliary heater Integration of the Auxiliary heater >intern Out T. aux htr on -5 °C >Select Error History Diagnosis Refrigerant circuit Fault number >1 Test >no Fault code 11,9 bar Comp High Pressure 16.02.05 07:18 T outlet compresor 66 ºC Refrigerant pressure sensors fault Installation assistent...

  • Page 51: Displays In The Operator Level

    Controller 8 Displays in the operator level Display shown Description Graphics display (Top-level display) You can read off the instantaneous state of the system from this dis- play. This will always be shown if you have not actuated either of the dials for a long time while another display is showing.
  • Page 52 8 Controller Display shown Description Energy input display Shows the energy extracted from the environment for each of the 12 months of the current year (black bar). White-filled bars represent the future months of the year; the height of the bar corresponds to the yield for the month in the previous year (to permit comparison).
  • Page 53 Controller 8 Display shown Description Factory setting Set value day: The Set value day is the temperature at which the <HK2> 20 °C heating is to regulate in the "Heating" mode or dur- Parameters ing the time window. Set-back temp.: Heating mode 15 °C The set-back temperature is the temperature to...
  • Page 54 8 Controller Display shown Description Factory setting The auto, on, and off operating modes are possible Min. hot water for the connected domestic hot water cylinders and temp. 44 °C Parameters the circulation circuit: Hot water mode >Auto Max. DHW temp. 60 °C The maximum DHW temperature determines the Min.
  • Page 55 Controller 8 Display shown Description Factory setting Period 1: It is possible to program two holiday periods by Holiday programming 01.01.2003 – specifying the dates for the controller and all for cpl. System 01.01.2003 system components connected to it. In addition, you Periods Period 2: can set the desired target room temperature for hol-...

  • Page 56: Displays In The Code Layer

    8 Controller Displays in the code layer The Code layer has different areas in which you can change parameters or merely view them, depending on the context. The context can always be recognised from the menu name. Menu C: Set parameters for the heating system Menu D: Perform diagnostics Menu I: Display general information Menu A: Installation Assistant...
  • Page 57 Controller 8 Display shown Description Factory setting The lower menu is only displayed when a buffer cyl- <HK2> inder is used (e.g. Hydraulic Plans 2 and 4, and pos- Information sibly on more than one occasion when a VR 60 is Setpoint flow temp.
  • Page 58 8 Controller Display shown Description Factory setting Aux on during CH Auxiliary heater no CH: CH blocked. comfort CH enabled, dependent on Out T. aux htr on no CH Aux on during CH no CH no CH and °mins lag/gain. Aux on during DHW comfort CH only: Heating mode by means of auxiliary heat-...
  • Page 59 Controller 8 Display shown Description Factory setting Menu D: Perform diagnostics In Menus D1 to D5 you can operate and test the heat pump in diagnostic mode. The diagnostic menus cannot be exited with any set- ting apart from "Test = no" (Menu D1). An auto reset occurs 15 minutes after the last button is actuated.
  • Page 60 8 Controller Display shown Description Factory setting Buffer VF1: Buffer cylinder top temperature sensor diagnosis Buffer RF1: Buffer cylinder base temperature sensor CH circuit Sensor VF2: Current CH flow temperature Buffer VF1 45 °C Hot water SP: Temperature in the domestic hot Buffer RF1 36 °C water cylinder.
  • Page 61 Controller 8 Display shown Description Factory setting Menu A: Installation Assistant You will be guided through the Installation Assistant, Menus A1 and A2, during the initial commissioning of the heat pump. The Installation Assistant appears automatically dur- ing initial commissioning. Language: Set the local language Installation Language selection...
  • Page 62 8 Controller Display shown Description Factory setting Auxiliary heating: Determines whether, and where, Installation assistant the auxiliary heating is hydraulically connected: Auxiliary heater - internal (electric auxiliary heating in the heat intern integration of the - 5 °C pump) Auxiliary heater - WW + HK: external auxiliary heating available for WW+HK hot water and the heating circuit...
  • Page 63 Controller 8 Display shown Description Factory setting The display only appears is several heating circuits Tool and at least one VR 60 are installed. Component Test 2 You can check the actuators for the connected ac- Component VR 60 Addr. 4 cessories with the component test 2.

  • Page 64: Installer Menu

    8 Controller Installer Menu Special functions can be selected only from the basic display. To do so, press the left hand dial . To change the parameter, you must turn the dial. The following special functions can be selected: • Energy saving function: Press dial once.
  • Page 65 Controller 8 Display shown Description This menu is only displayed when the heating system is fitted with an 16.02.08 9:35 external cooling plant (accessory VWZ NC 14/17 ) and an appropriate hydraulic plan has been set. Cooling function active for >...

  • Page 66: Parameters That Can Be Set With

    8 Controller 8.10 Parameters that can be set with vrDIALOG 810/2 Using its computer-supported graphics visualisation and configuration, vrDIALOG 810/2 (eBUS) enables you to optimise heating appliances and control systems and thus make use of their energy saving potential. Both of them enable you to create a visual impression of the processes in your control system and influence them at any time.
  • Page 67 Controller 8 Parameters Description Factory setting Minimum flow temp. Minimum/Maximum temperature: 15 °C Maximum flow temp. Setting the limiting temperatures (min. and max.) that the 43 °C heating circuit can request. Together with the maximum temperature, the value for the floor protection switching is also calculated (max.

  • Page 68: Inspection And Maintenance

    Risk of fatal electric shock from touch- for maintenance work, to ensure the long-term working ing live connections! Before commencing order of all functions of your Vaillant appliance and to work on the heat pump, disconnect the prevent changes to the approved production standard.

  • Page 69: Malfunctions Of Ebus Components

    Troubleshooting and diagnostics 10 – 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).

  • Page 70: Temporary Shut-Down

    10 Troubleshooting and diagnostics 10.4 Temporary shut-down The compressor shuts down, the heat pump remains in operation. The compressor can start again after 5 minutes at the soonest. (see below for exceptions). Fault code Error text/description Possible cause Remedy Heat source outlet frost protec- Heat source pump defective, temper- Check heat source flow rate.
  • Page 71 Troubleshooting and diagnostics 10 Fault code Error text/description Possible cause Remedy Coolant pressure too high Heat consuming side using too little heat. Possible causes: Air in the heating system. Bleed the heating system. The integral high pressure switch Defective heating pump or pump out- Check pump, replace if necessary.

  • Page 72: Blocking Error

    10 Troubleshooting and diagnostics 10.5 Blocking error 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). With the exception of Errors 90 and 91, these do not need to be reset.
  • Page 73 Troubleshooting and diagnostics 10 Emergency Fault code Error text/description Possible cause Remedy mode Heat source outlet frost possible protection monitoring See Error 20. See Error 20. Error 20 occurred three times in succession Heat source outlet frost possible VWW only protection monitoring See Error 21.

  • Page 74: Other Errors/Malfunctions

    10 Troubleshooting and diagnostics Emergency Fault code Error text/description Possible cause Remedy mode Brine pressure too low possible Pressure drop in the heat source Check heat source system for leaks, top system as a result of leakage or air up brine, bleed. Pressure <...

  • Page 75: Recycling And Disposal 11

    (G3). As this Vaillant appliance is not covered by the law re- garding the marketing, return and environmentally Terms and conditions apply to the warranty, details of...

  • Page 76: Technical Data

    13 Technical data 13 Technical data 13.1 Technical data - VWS Description Unit VWS 61/2 VWS 81/2 VWS 101/2 VWS 141/2 VWS 171/2 Article number 0010002778 0010002779 0010002780 0010002781 0010002782 Height without connections 1200 Width Depth without pillars Depth with pillars Weight - with packaging - without packaging...

  • Page 77: Technical Data - Vww

    Technical data 13 Description Unit VWS 61/2 VWS 81/2 VWS 101/2 VWS 141/2 VWS 171/2 Internal sound level Conforms to safety regulations CE mark Low Voltage Directive 73/23/EWG EMC Directive 89/336/EWG EN 60335 ISO 5149 Table 13.1 Technical data - VWS (cont) Caution! R 407 C is a chlorine-free coolant which does not affect the ozone layer.
  • Page 78 13 Technical data Description Unit VWW 61/2 VWW 81/2 VWW 101/2 VWW 141/2 VWW 171/2 refrigerant circuit - Coolant type R 407 C - Quantity 2.05 3.05 - Permissible operating overpressure MPa (bar) 2.9 (29) - Compressor type Scroll - Oil Ester Heat pump performance data W10W35 dT5...

  • Page 79: Start-Up Checklist 14

    Start-up checklist 14 14 Start-up checklist Check the following checklist before putting the heat pump into service. Only operate the heat pump when all points have been satisfied in essence. Heating circuit checklist During planning, was consideration given to parts of the building that are to be heated at a later time? Was the power for the hot water supply considered? Were the heating circuits in the system hydraulically balanced?
  • Page 80 14 Start-up checklist Water circuit checklist (VWW only) Was the water or its composition examined? Was a second heat exchanger used for decoupling? Was a dirt filter fitted at the water side input to the heat pump? Were isolating devices fitted ahead of the heat pump? Were the pipes thermally insulated against vapour diffusion? Electrical installation checklist Is there an isolation device with at least 3 mm contact opening fit-...

  • Page 81: Reference 15

    Reference 15 15 Reference To the technician: 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:...
  • Page 82 15 Reference Planning the heat pump installation Details Details regarding heat demand Heating load of the property Hot water supply Was a central DHW supply used? Was the user's behaviour regarding hot water demand taken into account? During planning, was the increased hot water demand of Jacuzzis and showers taken into account? Equipment used in the heat pump system Details...
  • Page 83 Reference 15 Details for VWW Details Magnitude of the mass flow that can be extracted from the ground water/well Ground water pump type Details regarding the heat consuming system Details If a second pump was incorporated to overcome the pressure loss- es: Manufacturer and type of the second pump Heating load of the underfloor heating Heating load of the wall heating...

  • Page 84: Appendix

    Appendix Appendix Sensor characteristics VR 10 external temperature sensors VR 11 internal temperature sensors Temperature (°C) Resistance (ohms) Temperature (°C) Resistance (ohms) 87879 327344 63774 237193 46747 173657 34599 128410 25848 95862 19484 72222 14814 54892 11358 42073 8778 32510 6836 25316 5363...

  • Page 85: Vrc-Dcf Outside Temperature Sensor

    Appendix VRC-DCF outside temperature sensor Temperature (°C) Resistance (ohms) 2167 2067 1976 1862 1745 1619 1494 1387 1246 1128 1020 Table 3, Appendix, VRC DCF sensor characteristics Installation instructions geoTHERM VWS/VWW 0020057444_01...

  • Page 86: Heat Pump Schematic - Vws

    Appendix Heat pump schematic - VWS Fig. 1, Appendix, Heat pump schematic - VWS Key to Fig. 1, Appendix Heating circuit pressure sensor 2 Electric auxiliary heating 3 High pressure sensor 4 High pressure switch 5 Compressor 6 Low pressure sensor 7 Low pressure switch 8 Heat source circuit pressure sensor 9 Evaporator...

  • Page 87: Heat Pump Schematic - Vww

    Appendix Heat pump schematic - VWW Fig. 2, Appendix, Heat pump schematic - VWW Key to Fig. 2, Appendix Heating circuit pressure sensor 2 Electric auxiliary heating 3 High pressure sensor 4 High pressure switch 5 Compressor 6 Low pressure sensor 7 Low pressure switch 8 Heat source circuit pressure sensor 9 Evaporator...

  • Page 88: Electrical Circuit Diagram - Vws

    Appendix Electrical circuit diagram - VWS black yellow black yellow brown grey orange orange brown yellow-green brown blue yellow-green blue black brown blue brown black orange yellow-green orange grey blue yellow-green black brown grey grey blue yellow-green black brown grey blue black grey...

  • Page 89: Electrical Circuit Diagram - Vww

    Appendix Electrical circuit diagram - VWW black orange orange brown blue yellow-green blue black brown blue brown blue black yellow-green grey blue yellow-green black brown grey grey blue yellow-green black brown grey blue black grey brown brown grey black blue black brown grey...

This manual is also suitable for:

Geotherm vww seriesGeotherm vws 61/2Geotherm vws 81/2Geotherm vws 101/2Geotherm vws 141/2Geotherm vws 171/2 ... Show all

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