Vaillant geoTHERM VWS Installation Instructions Manual

Summary of geoTHERM VWS

  • Page 1

    For the heating engineer installation instructions geotherm heat pump vws gb.

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    Installation instructions geotherm vws 0020046310_01 2 contents 1 notes on the documentation ........................... 3 1.1 storage of the documents ...................................... 3 1.2 symbols used ............................................................. 3 1.3 applicability of the m...

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    3 installation instructions geotherm vws 0020046310_01 1 notes on the documentation the following notes are intended as guidance throug- hout the entire documentation. Further documents apply in combination with this instal- lation manual. We accept no liability for any damage caused by fai- lure to...

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    Installation instructions geotherm vws 0020046310_01 4 1.3 applicability of the manual these installation instructions apply exclusively to appli- ances with the following part numbers: type name article number vws 61/2 230 v 0010005501 vws 81/2 230 v 0010005502 vws 101/2 230 v 0010005503 table 1.1 ...

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    5 installation instructions geotherm vws 0020046310_01 2 description of the appliance 2.1 data badge an identification plate is attached to the baseplate on the inside of the geotherm heat pump. The type desi- gnation is located at the top on the grey frame of the pillar (also see fig. 2.4, item 1)....

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    Installation instructions geotherm vws 0020046310_01 6 2.2 functional principle heat pump systems consist of separate circuits in which liquids or gases transport the heat from the heat source to the heating system. As these circuits operate with differing media (brine/water, coolant and heating wat...

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    7 installation instructions geotherm vws 0020046310_01 these different temperatures are produced in the coo- lant circuit by means of a compressor (2) and an expan- sion valve (4), which are situated between the evapora- tor and the condenser. The coolant flows in vapour form from the evaporator int...

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    Installation instructions geotherm vws 0020046310_01 8 3 2 1 5 4 6 7 fig. 2.5 rear view key to fig. 2.5 1 return to domestic hot water cylinder 2 heat source to the heat pump 3 heat source from the heat pump 4 transportation handles 5 cable feedthrough for electrical connections 6 heating return 7 h...

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    9 installation instructions geotherm vws 0020046310_01 2.4 general notes on operating modes and func- tions 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"). Three additional oper...

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    Installation instructions geotherm vws 0020046310_01 10 3 safety instructions and regulations 3.1 safety instructions the heat pump must be installed by an approved techni- cian, who will be responsible for adhering to the existing standards and regulations. We accept no liability for any damage cau...

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    11 installation instructions geotherm vws 0020046310_01 3.3 coolants the heat pump is delivered with an operational filling of r 407 c coolant. This is a chlorine-free coolant which does not affect the earth's ozone layer. R 407 c is neit- her a fire hazard nor an explosion risk. However, maintenanc...

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    Installation instructions geotherm vws 0020046310_01 12 4 assembly and installation 4.1 accessories you can fit the following accessories to expand the heat pump system. You can find more detailed information on the installation of accessories in chap. 5.8. Mixer module vr 60 with the mixer module, ...

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    13 installation instructions geotherm vws 0020046310_01 4.3 dimensions and clearances 600 100 140 140 75 75 1200 0-10 1) 600 835 650 fig. 4.1 dimensions and clearances 1) adjustable feet adjustable in height by 10 mm assembly and installation 4.

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    Installation instructions geotherm vws 0020046310_01 14 300 mm 10 mm 600 mm 300 mm 300 mm fig. 4.2 minimum clearances for installing the heat pump 4.4 assembly/installation at a glance – remove packing material. – remove transportation safety devices. – transport the heat pump to the installation ar...

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    15 installation instructions geotherm vws 0020046310_01 4.6 requirements of the heating circuit 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 technical...

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    Installation instructions geotherm vws 0020046310_01 16 pos. Description 1 1 heat pump 2 1 operating console, pillar cover 3 3 2 3 2 gaskets (yellow/green) for heating circuit elbow unions m6 flat-headed screws for fitting the operating console to the frame (plus one spare screw) self-tapping screws...

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    17 installation instructions geotherm vws 0020046310_01 we recommend that the heat pump be transported with the aid of a suitable barrow. Max. 45° fig. 4.7 transporting the heat pump (pushcart) a caution! Risk of damage! Find out the weight of your heat pump from the technical data and make sure tha...

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    Installation instructions geotherm vws 0020046310_01 18 4.11 removing the cladding the cladding panels are screwed on and additionally provided with retaining clips. Fig. 4.9 removing the upper cover • remove the pipe access cover, which is fastened with retaining clips, by pulling it gently upwards...

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    19 installation instructions geotherm vws 0020046310_01 4.12 on-site installation a 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...

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    Installation instructions geotherm vws 0020046310_01 20 4.12.1 assembly of the heating system a 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...

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    21 installation instructions geotherm vws 0020046310_01 4.13 fitting the vrc dcf outside temperature sensor fit the sensor in accordance with the enclosed installati- on manual. 4.14 fitting the vr 90 remote control unit if you install several heating circuits, you can connect a separate vr 90 remot...

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    Installation instructions geotherm vws 0020046310_01 22 a caution! Environmental hazard! Leakage of brine media must not result in any contamination of the ground water or the soil. Substances must be selected that are non-toxic and biologi- cally degradable. Wq 66 64 58 62 59 60 29 57 61 67 65 fig....

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    23 installation instructions geotherm vws 0020046310_01 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 installati- on can be damaged if the filling level is too high. • top up the brine fluid when the ...

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    Installation instructions geotherm vws 0020046310_01 24 6 electrical installation 6.1 safety and installation information e danger! Risk of electric shock! Always switch off all power supplies be- fore carrying out electrical installation work. Make sure that they are secured against inadvertent swi...

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    25 installation instructions geotherm vws 0020046310_01 6.3 electronic box l l t1 t2 t3 a2 a1 l1 l2 l3 s s b b a z n l n l l l l n n n n 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-m vf2...

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    Installation instructions geotherm vws 0020046310_01 26 6.4.1 unblocked mains supply (electroplan 1) l l abb a12-30-01 t1 t2 t3 a2 a1 l1 l2 l3 s s b b a z n l n l l l l n n n n : : 2 kw 4 kw 230 v / 50 hz pe n l 1 + + + fig. 6.2 unblocked mains feed (supplied configuration) this is how the heat pump...

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    27 installation instructions geotherm vws 0020046310_01 6.4.2 dual circuit feed, heat pump tariff (electroplan 2) abb a12-30-01 t1 t2 t3 a2 a1 l1 l2 l3 l l s s b b a z n : : 2 kw 4 kw l n l l l l n n n n 230 v / 50 hz 230 v / 50 hz 1 2 3 + + pe n l pe n l fig. 6.3 dual circuit feed, heat pump tariff...

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    Installation instructions geotherm vws 0020046310_01 28 6.4.3 dual circuit feed, special tariff (electroplan 3) abb a12-30-01 t1 t2 t3 a2 a1 l1 l2 l3 s s b b a z n l l : : 2 kw 4 kw l n l l l l n n n n 230 v / 50 hz 230 v / 50 hz 1 2 3 + + pe n l pe n l fig. 6.4 dual circuit feed, special tariff in ...

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    29 installation instructions geotherm vws 0020046310_01 6.4.4 connecting external components abb a12-30-01 t1 t2 t3 a2 a1 l1 l2 l3 l n l l l l n n n n a z n b b l l s s pe n l p 1 2 fig. 6.5 connecting external components key to fig. 6.5 p brine switch 3-way valve with solenoid should you wish to co...

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    Installation instructions geotherm vws 0020046310_01 30 6.4.5 simultaneous operation of the compressor and auxiliary heating a z n s s abb a12-30-01 t1 t2 t3 a2 a1 l1 l2 l3 l n l l l l n n n n l l pe n l b b 1 fig. 6.6 simultaneous operation of the compressor and auxiliary heating in the as-delivere...

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    31 installation instructions geotherm vws 0020046310_01 6.5 controller pcb at a glance 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 1 2 3 4 5 6 ...

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    Installation instructions geotherm vws 0020046310_01 32 6.6 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 operati...

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    33 installation instructions geotherm vws 0020046310_01 6.6.2 direct heating operation (hydraulic plan 1) 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 ...

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    Installation instructions geotherm vws 0020046310_01 34 6.6.3 mixer circuit with buffer cylinder (hydraulic plan 2) the unregulated underfloor heating circuits are opera- ted by the external heating circuit pump from the buffer cylinder via a mixer. The flow temperature sensor sits behind the extern...

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    35 installation instructions geotherm vws 0020046310_01 6.6.4 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). ...

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    Installation instructions geotherm vws 0020046310_01 36 6.6.5 mixer circuit with buffer cylinder and dome- stic hot water cylinder (hydraulic plan 4) the unregulated underfloor heating circuits are opera- ted with the external heating circuit pump from the buf- fer cylinder via a mixer. The feed tem...

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    37 installation instructions geotherm vws 0020046310_01 6.7 connecting the dcf receiver fig. 6.13 connecting the dcf receiver • wire the dcf receiver as shown in fig. 5.13. – left: enclosed external sensor (dcf receiver) – right: alternative solution with separate external sensor an alternative solu...

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    Installation instructions geotherm vws 0020046310_01 38 6.8.2 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 u...

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    39 installation instructions geotherm vws 0020046310_01 6.9 connecting an external boiler if your external boiler has a vaillant ebus interface, you can connect it to the heat pump ebus via the vr32 ac- cessory (refer to the vr32 manual for more informati- on). Abb a12-30-01 l1 l2 l3 n pe l1 l2 l3 l...

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    Installation instructions geotherm vws 0020046310_01 40 fig. 6.22 fitting the operating console • if you have mounted the vrnetdialog communication unit, connect the connection cable to the controller pcb (see chap. 6.5). Fig. 6.23 fitting the front lower cladding • press the lower cladding panel in...

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    41 installation instructions geotherm vws 0020046310_01 fig. 6.25 fitting and connecting the operating console • connect the supply line to the control panel. Fig. 6.26 fitting the front panel of the operating console • push the front panel of the control panel on to the frame. 7 start-up d danger! ...

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    Installation instructions geotherm vws 0020046310_01 42 7.2 operating the controller 7.2.1 finding your way around the controller basic data date day of week time set day 2 1 3 4 5 6 fig. 7.1 operating overview key 1 menu name 2 cursor indicates the selected parameter 3 menu number 4 dial , position...

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    43 installation instructions geotherm vws 0020046310_01 7.3 carrying out the initial commissioning as soon as the heat pump is supplied with power during the initial commissioning, an internal self-test starts au- tomatically, whereby the heat pump checks itself and any connected components for func...

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    Installation instructions geotherm vws 0020046310_01 44 • turn the dial until the electroplan, "1", "2" or "3", matching your mains supply is selected (see chap. 6.4): 1 unblocked mains supply 2 = dual circuit feed, heat pump tariff 3 = dual circuit feed, special tariff • press the dial to confirm t...

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    45 installation instructions geotherm vws 0020046310_01 8 controller to operate the heat pump economically, it is important to match the control system to the customer's heating system and to the pattern of use. In the following chapter, all the functions of the wea- ther-controlled energy balance c...

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    Installation instructions geotherm vws 0020046310_01 46 freezing protection function the outlet temperature of the heat source is constantly measured. If the heat source outlet temperature falls below a defined value, the compressor switches off tem- porarily with error message 20 or 21 (see chap. 1...

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    47 installation instructions geotherm vws 0020046310_01 last day before mains off start after mains on 1 - 15 16 17 - 23 24 - 28 29 1 16 17 24 29 table 8.2 progress of the screed floor drying following mains off/on if you do not wish to carry out the drying with the speci- fied temperatures and/or t...

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    Installation instructions geotherm vws 0020046310_01 48 8.4.3 charging principle buffer cylinder the buffer cylinder is controlled depending on the set- point flow temperature. The heat pump heats when the temperature of the buffer cylinder head temperature sensor vf1 is smaller than the set target ...

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    49 installation instructions geotherm vws 0020046310_01 8.5 operator level sequence diagram hk2 parameter 2 betriebsart heizen >auto 15 ºc night set back temp. 20 ºc raumsolltemp. Hk2 parameters 2 heating mode >auto 15 ºc night set back temp. 20 ºc set value day mo 21.04.08 flow temp. Ch 16:49 syste...

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    Installation instructions geotherm vws 0020046310_01 50 8.6 code level sequence diagram hk 2 c2 art at-abschaltgrenze 21 ºc parameters fixed value > values can be set hk 2 c2 art at-abschaltgrenze 21 ºc parameters fixed value > values can be set hk 2 c2 type max limit outs.Temp. 21 ºc parameters fix...

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    51 installation instructions geotherm vws 0020046310_01 error history i1 fault number 96 >1 refrigerant pressure sensors fault 16.02.05 07:18 fault code statistics i2 compr. Hours compressor starts 33 aux heater hours 2 hr 7 hr aux heater starts 21 software release i3 i/o card 1 3.34 1 2.22 user int...

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    Installation instructions geotherm vws 0020046310_01 52 8.7 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 is always shown if you have not actuated either of the dials for ...

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    53 installation instructions geotherm vws 0020046310_01 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 correspon...

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    Installation instructions geotherm vws 0020046310_01 54 display shown description factory setting 2 parameters operating mode hea- ting >auto set value day 22°c night set back temp. 15°c >select operating mode the room set target temperature is the tempera- ture to which the heating should be regula...

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    55 installation instructions geotherm vws 0020046310_01 display shown description factory setting dhw loading 4 parameters operating mode ww >auto max. Dhw temp. 60°c min. Dhw temp. 44°c cylinder temp. Real 51°c >select set target temperature for connected domestic hot water cylinders and the circul...

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    Installation instructions geotherm vws 0020046310_01 56 display shown description factory setting holiday programming 6 for cpl. System period of time 1 >06.01.08 08.01.08 2 14.01.08 30.01.08 room temp. Setpoint 12°c >set start day for the controller and its connected system compo- nents it is possi...

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    57 installation instructions geotherm vws 0020046310_01 8.8 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 ...

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    Installation instructions geotherm vws 0020046310_01 58 display shown description factory setting c4 information setpoint flow temp. 41°c flow temp. Vf2 30°c status of pump off °mins lag/gain -183°min c4 parameters setpoint flow temp. 41°c flow temp. Vf2 29°c status of pump off status hydr. Mixer op...

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    59 installation instructions geotherm vws 0020046310_01 display shown description factory setting auxiliary heater c7 aux on during ch no ch aux on during dhw comfort ch start at -600°min >settable values aux on during ch no ch: ch blocked. Comfort ch enabled, dependent on out t. Aux htr on and °min...

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    Installation instructions geotherm vws 0020046310_01 60 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 aut...

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    61 installation instructions geotherm vws 0020046310_01 display shown description factory setting diagnosis d5 ch circuit buffer vf1 45°c buffer rf1 36°c t flow mix.Offsetvf2 38°c cylinder temp. Real 52°c heat zone buffer vf1: buffer cylinder top temperature sensor buffer rf1: buffer cylinder bottom...

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    Installation instructions geotherm vws 0020046310_01 62 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...

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    63 installation instructions geotherm vws 0020046310_01 display shown description factory setting installation assistant a3 auxiliary heater integration of the auxiliary heater dhw+ch out t. Aux htr on -5 °c >settable values auxiliary heating: determines whether, and where, the auxiliary heating is ...

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    Installation instructions geotherm vws 0020046310_01 64 display shown description factory setting tool a6 component test 2 component vr 60 addr. 4 actuators off sensors vf a 29 °c select the display only appears is several heating circuits and at least one vr 60 are installed. You can check the actu...

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    65 installation instructions geotherm vws 0020046310_01 8.9 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: p...

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    Installation instructions geotherm vws 0020046310_01 66 • reset to default setting: keep dial and 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 sett...

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    67 installation instructions geotherm vws 0020046310_01 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 sa...

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    Installation instructions geotherm vws 0020046310_01 68 parameters description factory setting minimum flow temp. Maximum flow temp. Minimum/maximum temperature: setting the limiting temperatures (min. And max.) that the heating circuit can request. Together with the maximum temperature, the value f...

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    69 installation instructions geotherm vws 0020046310_01 9 inspection and maintenance 9.1 notes for maintenance an annual inspection/maintenance of the unit by a spe- cialist is a prerequisite for continuing operational safety, reliability and a long working life. D danger! Inspection, maintenance an...

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    Installation instructions geotherm vws 0020046310_01 70 10 troubleshooting and diagnosis d danger! Troubleshooting and diagnostics mea- sures may only be carried out by a reco- gnised expert technician company. E danger! Risk of fatal electric shock from tou- ching live connections! Before commen- c...

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    71 installation instructions geotherm vws 0020046310_01 10.2 malfunctions of ebus components fault code error text/description possible cause remedy 1 xxx address yy not accessible a component xxx connected via the ebus, e.G. Vr 60 with the address yy is not recognised. Check the ebus cable and plug...

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    Installation instructions geotherm vws 0020046310_01 72 10.4 temporary shut-down the compressor shuts down, the heat pump remains in operation. The compressor can start again after 5 minu- tes at the soonest. (see below for exceptions). Fault code error text/description possible cause remedy 20 fros...

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    73 installation instructions geotherm vws 0020046310_01 fault code error text/description possible cause remedy 27 coolant pressure too high the integrated high pressure switch tripped at 30 bar (g). The heat pump can start again after a 60 minute wait at the earliest. Heat consuming side using too ...

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    Installation instructions geotherm vws 0020046310_01 74 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. The heat pump starts ag...

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    75 installation instructions geotherm vws 0020046310_01 fault code error text/description emergency mode possible cause remedy 52 sensors are not suited to the hydraulic plan _ hydraulic plan not entered correctly, sensors not connected correctly. Check the hydraulic plan and sensor positions using ...

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    Installation instructions geotherm vws 0020046310_01 76 fault code error text/description emergency mode possible cause remedy 91 brine pressure too low pressure heat pump shuts down and goes into operation automatically when the pressure rises above 0.4 bar possible pressure drop in the heat source...

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    77 installation instructions geotherm vws 0020046310_01 11 recycling and disposal both your valliant geotherm heat pump and its associ- ated packaging consist mainly of raw materials that can be recycled. If your heat pump carries this symbol, it must not be disposed of in the household waste at the...

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    Installation instructions geotherm vws 0020046310_01 78 13 technical data description unit vws 61/2 230 v vws 81/2 230 v vws 101/2 230 v article number - 0010005501 0010005502 0010005503 height without connections width depth without pillars depth with pillars mm mm mm mm 1200 600 650 840 weight - w...

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    79 installation instructions geotherm vws 0020046310_01 description unit vws 61/2 230 v vws 81/2 230 v vws 101/2 230 v heat pump performance data b0w35 dt5 - heating output - power consumption - performance figure/cop b5w55 - heating output - power consumption - performance figure/cop kw kw - kw kw ...

  • Page 80

    Installation instructions geotherm vws 0020046310_01 80 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 part...

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    81 installation instructions geotherm vws 0020046310_01 electrical installation checklist is there an isolation device with at least 3 mm contact opening fitted on the customer side and was it appropriately labelled? Were all electrical connections properly made and in accordance with the specified ...

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    Installation instructions geotherm vws 0020046310_01 82 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 install...

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    83 installation instructions geotherm vws 0020046310_01 planning the heat pump system 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 in...

  • Page 84

    Installation instructions geotherm vws 0020046310_01 84 details regarding the heat consuming system details if a second pump was incorporated to overcome the pressure losses: manufacturer and type of the second pump heating load of the underfloor heating heating load of the wall heating heating load...

  • Page 85

    85 installation instructions geotherm vws 0020046310_01 appendix appendix sensor characteristics vr 10 external temperature sensors temperature (°c) resistance (ohms) -40 87879 -35 63774 -30 46747 -25 34599 -20 25848 -15 19484 -10 14814 -5 11358 0 8778 5 6836 10 5363 15 4238 20 3372 25 2700 30 2176 ...

  • Page 86

    Installation instructions geotherm vws 0020046310_01 86 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.

  • Page 87

    87 installation instructions geotherm vws 0020046310_01 heat pump schematic 9 11 5 t2 12 10 8 t3 t8 2 t6 t5 13 14 15 m t1 3 4 6 7 1 t4 fig. 1, appendix, heat pump schematic key to fig. 1, appendix 1 heating circuit pressure sensor 2 electric auxiliary heating 3 high pressure sensor 4 high pressure s...

  • Page 88

    Installation instructions geotherm vws 0020046310_01 88 electrical circuit diagram abb a12-30-01 2 1 3 4 5 1 2 3 4 5 sch n l 6 7 8 asb pressure sensors temperature sensors amu t4a / 250v 2 1 n l 2 1 l n pe l n pe l n pe l n pe l n t1 safety thermostat (stb) s c r pe compressor ptc pe n l brine pump ...

  • Page 92

    0020046310_01 gb 082008.