Vaillant VWL Series Operating Instructions Manual Download Page 1

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Operating instructions

Hydraulic Station

VWZ MEH 97/6

Publisher/manufacturer
Vaillant GmbH

Berghauser Str. 40

D-42859 Remscheid

Tel. +492191

Fax +492191

2810

[email protected]

www.vaillant.de

Summary of Contents for VWL Series

Page 1: ...Operating instructions Hydraulic Station VWZ MEH 97 6 Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 492191 18 0 Fax 492191 18 2810 info vaillant de www vaillant de...

Page 2: ...display 7 4 4 Starting up the product 8 4 5 Setting the heating flow temperature 8 4 6 Setting the domestic hot water temperature 8 4 7 Switching off the product s functions 9 5 Care and maintenance...

Page 3: ...eyond that specified in this document shall be considered improper use Any direct commercial or industrial use is also deemed to be improper Caution Improper use of any kind is prohibited 1 2 General...

Page 4: ...plied with the product and that you have signed it to say that you have received a full and clear explana tion of its operation The installer is leg ally required to complete a commissioning checklist...

Page 5: ...B 3 Product description 3 1 Heat pump system Design of a typical heat pump system with monoblock tech nology 1 2 4 3 5 6 1 Heat pump outdoor unit 2 eBUS line 3 System control option al 4 Heat pump ind...

Page 6: ...in door unit The dashed lines show the permitted range Displayed statically Filling pressure in the permitted range Displayed flashing Filling pressure outside of the permitted range Noise reduction m...

Page 7: ...f the heating flow temperature of the outdoor unit falls below 4 C the compressor is switched on in order to increase the heating flow temperature 3 9 4 Pump blocking protection This function prevents...

Page 8: ...alves etc 4 4 4 Displaying the Live Monitor Menu Live Monitor You can use the Live Monitor to view the current status of the product 4 4 5 Displaying the building circuit pressure Menu Live Monitor Bu...

Page 9: ...ted comfort 5 4 Checking the system pressure 1 Check the filling pressure of the heating installation every day for a week after initial start up and mainten ance work and then twice a year Min heati...

Page 10: ...roved at the time by the Health and Safety Executive un dertake the work in compliance with safe and satisfactory standards Installers should also be fully conversant with and competent with all neces...

Page 11: ...splay Right hand selection button Room temperature setpoint Current value Manual cooling demand Basic display Left hand selection button Domestic hot water cylinder tar get temperature Current value D...

Page 12: ...al components connec ted as supplied Compressor modulation Current value Air inlet temperature Current value Immersion heater power Current value kW External current anode status Current value Anode n...

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Page 16: ...byshire DE56 1JT Telephone 0330 100 3461 info vaillant co uk www vaillant co uk These instructions or parts thereof are protected by copyright and may be reproduced or distributed only with the manufa...

Page 17: ...ation and maintenance instructions Hydraulic Station VWZ MEH 97 6 Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 492191 18 0 Fax 492191 18 2810 info vaillant de www vaill...

Page 18: ...ng 32 6 15 Connecting the outdoor temperature sensor 32 6 16 Connecting the domestic hot water cylinder s temperature sensor 32 6 17 Connecting the external prioritising diverter valve optional 32 6 1...

Page 19: ...iagram 42 C Control PCB 43 D Basic connection diagram for the energy supply company lockout shutdown via connection S21 44 E Basic connection diagram for the energy supply company lockout shutdown via...

Page 20: ...ce instructions for the product and any other system com ponents installing and setting up the product in ac cordance with the product and system ap proval compliance with all inspection and main tena...

Page 21: ...3 8 Material damage due to unsuitable installation surface The installation surface must be even and have sufficient load bearing capacity to sup port the operating weight of the product An uneven in...

Page 22: ...duct guarantees limited frost protection for the heating circuit At negative outdoor temperatures there is an increased risk of the heating water freezing if a heat pump fault occurs e g due to a powe...

Page 23: ...4 5 6 7 1 Manometer 2 Expansion relief valve 3 Building circuit return 4 Building circuit flow 5 Domestic hot water cylinder return 6 Domestic hot water cylinder flow 7 Prioritising diverter valve he...

Page 24: ...eating flow domestic hot water cylinder Symbol Connection Heating return domestic hot water cylin der 3 6 CE marking The CE marking shows that the products comply with the basic requirements of the ap...

Page 25: ...city to bear the weight of the product Ensure that the pipes are routed appropriately Do not install the product above another unit that may damage it e g above a cooker that produces water va pour an...

Page 26: ...the following components preferably from the manufacturer s accessories An expansion relief valve a stopcock and a mano meter on the heating return A domestic hot water safety assembly and a stopcock...

Page 27: ...g return 1 2 Connect the domestic hot water cylinder s heating return 1 and heating flow 2 in accordance with the relevant standards 5 4 Connecting the building circuit 2 1 1 Connect the filling devic...

Page 28: ...f the mains voltage For the mains voltage of the single phase 230 V network a tolerance of 10 to 15 must be provided For the mains voltage of the three phase 400 V network a tolerance of 10 to 15 must...

Page 29: ...sistance of 90 C Note that commercially available power supply cables do not usually have sufficient temperature resistance 4 Connect the preinstalled power supply cable to the X300 connection with th...

Page 30: ...nnect the 3 pole power supply cable from the household electricity meter to the X311 connection 9 Use the strain relief clamps to secure the cables in place 6 7 Opening the power supply PCB s electron...

Page 31: ...cables and eBUS cables through the left hand strain reliefs on the electronics box 230V 3 Route 230 V cables through the right hand strain reliefs on the electronics box 6 11 Carrying out the wiring...

Page 32: ...or temperature sensor to plug AF on terminal X41 on the control PCB 6 16 Connecting the domestic hot water cylinder s temperature sensor Condition No system control connected Connect a temperature sen...

Page 33: ...g water Remove a little water from the heating circuit Check the appearance of the heating water If you ascertain that it contains sedimentary materials you must desludge the installation Use a magnet...

Page 34: ...r is connected seal the product s cylinder flow and cylinder return connection with on site plugs 4 Check all of the connections and the entire heating in stallation for leaks 5 Switch the prioritisin...

Page 35: ...confirm by pressing Next in each case If you do not confirm the launch of the installation assistant it is closed 10 seconds after you switch on the unit and the basic display then appears If the inst...

Page 36: ...ou hand the product over to the end user Check that the heating installation heat generator and system and the domestic hot water pipes are leak tight Check whether the drain pipework for the purging...

Page 37: ...with all of the Anti legionella measures in order to comply with the applicable regulations regarding legionella prevention Explain to the end user how the safety devices work and where they are loca...

Page 38: ...e 53 Check the back up heater for damage due to overheat ing Check that the power supply for the power supply PCB is working properly Check the cabling for the power supply PCB Check the cabling for t...

Page 39: ...parts Switch off the product Disconnect the product from the power supply Secure the product against being switched back on again When working on the product protect all electric com ponents from spra...

Page 40: ...om 6 Once the heating water has completely drained from the installation close the purging valves on all the radi ators and the drain cock again 13 Decommissioning 13 1 Decommissioning the product Dis...

Page 41: ...ture sensor Electric back up heater output 3 Back up heater 4 Heating return to the outdoor unit 5 Heating flow from the outdoor unit 6 Heating circuit return domestic hot water 7 Heating circuit flow...

Page 42: ...power supply 230 V bridge between X311 and X310 for dual power supply Replace the bridge at X311 with the 230 V connection 3 Earthing 4 X300 Power supply connection 5 Earth wire to X1 on the control P...

Page 43: ...anode 5 X24 Coding resistor 3 6 X24 Coding resistor 2 7 X41 Edge connector outdoor temperature sensor DCF system temperature sensor multi function input 8 X106 S20 Limit thermostat 9 X106 S21 ESCO con...

Page 44: ...2 2 N L1 L2 L3 5 5 BUS S21 BUS X106 L1 L1 L2 L3 N L N X300 X311 L N X310 L1 L2 L3 N L N X200 BUS X206 X210 L N X211 2 2 3 3 1 2 3 4 5 6 7 8 9 10 1 Meter fuse box 2 Household electricity meter 3 Heat p...

Page 45: ...11 L N X310 kWh N L1 L2 L3 kWh L1 L2 L3 N L N X200 BUS X206 X210 L N X211 BUS S21 BUS X106 L1 L1 L2 L3 N L N X300 X311 L N X310 5 5 2 2 2 2 3 3 3 3 1 2 3 4 5 6 7 8 9 10 1 Meter fuse box 2 Household el...

Page 46: ...power cons Current value kWh Im heater op hours Current value h Im heater switch ops Current value No switch ops Current value Installer level Test menu Check programmes P 04 Heating mode Select P 06...

Page 47: ...emperature switch Compressor outlet Open Closed Open closed T 1 02 DHW prioritising diverter valve Heating Domestic hot water Heating domestic hot water Heating T 1 44 Cylinder temperature 40 90 0 1 T...

Page 48: ...min 1 60 Compressor hyster Heat 0 15 Applies for heating mode only 1 7 Compressor hyster Cool 0 15 Applies for cooling mode only 1 5 Max rem feed head 200 900 mbar 10 900 DHW mode 0 ECO 2 Bal ance 0...

Page 49: ...settings Restore fact ory settings Yes No No Screed drying 2 Off 1 29 Off Installer level Start inst assistant Language Languages available for selection 02 English Syst control avail Yes no Yes No I...

Page 50: ...outside of the operating limits S 133 Domestic hot water Prerun The start conditions for the compressor in domestic hot water mode are checked Start the other actu ators for domestic hot water mode S...

Page 51: ...n 15 minutes the heat pump is restarted If the time for the de icing is still not sufficient after three unsuccessful restarts the heat pump is switched off and the fault mes sage F 741 is displayed C...

Page 52: ...circuit Pressure low Pressure loss in the building circuit due to leakages or air pockets Building circuit pressure sensor is defective Check the building circuit for leaks top up with heating water a...

Page 53: ...ce the cable harness F 520 Sensor fault Building circuit flow temp The sensor is not connected or the sensor input has short circuited Check and if required replace the sensor Replace the cable harnes...

Page 54: ...emperature too low Insufficient air volume flow through the outdoor unit s heat exchanger heating mode leads to an insuffi cient energy input in the environment circuit heating mode or building cir cu...

Page 55: ...essor is blocked while the fault message is present F 752 Fault Frequency converter Internal electronics fault on the in verter PCB Mains voltage outside of 70 V 282 V Check the integrity of the power...

Page 56: ...between 195 V and 253 V F 819 Freq converter fault Overheating Internal overheating of the frequency converter Allow the frequency converter to cool and restart the product Check the frequency convert...

Page 57: ...d in of external heat into the building circuit Check the circulation in the building circuit pump If required open the stopcocks Replace the safety cut out Reduce or stop the external heat that is en...

Page 58: ...ventilation slits Annually M Characteristic values for the internal temperature sensors hydraulic circuit Sensors TT620 TT650 Temperature C Resistance ohms 0 33400 5 25902 10 20247 15 15950 20 12657 2...

Page 59: ...1173 50 966 55 800 60 667 65 558 70 470 75 397 80 338 85 288 90 248 95 213 100 185 105 160 110 139 115 122 120 107 125 94 130 83 135 73 140 65 145 58 150 51 O Characteristic values for the VRC DCF out...

Page 60: ...diene monomer rubber brass steel composite materials Permissible water composition Without frost or corrosion protection Soften the heating water at water hardnesses from 3 0 mmol l 16 8 dH in accord...

Page 61: ...n accord ance with EN 12102 EN 14511 LWI in cooling mode 30 dB A Technical data Electrics VWZ MEH 97 6 Rated voltage 230 V 10 15 50 Hz 1 N PE Rated voltage 400 V 10 15 50 Hz 3 N PE Rated power maximum...

Page 62: ...f valve 27 Expansion vessel pre charge pressure 39 F Factory settings restoring 38 Fault codes 37 Fault memory 37 Fault symbol 39 Filling and purging 34 Filling pressure displaying 36 Frost 3 21 Frost...

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Page 64: ...byshire DE56 1JT Telephone 0330 100 3461 info vaillant co uk www vaillant co uk These instructions or parts thereof are protected by copyright and may be reproduced or distributed only with the manufa...

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