Related Manuals for Vaillant aroTHERM VWL Series
Summary of Contents for Vaillant aroTHERM VWL Series
- Page 1 Installation instructions aroTHERM VWL ../2 A 230 V Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +492191 18 0 Fax +492191 18 2810 info@vaillant.de www.vaillant.de...
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Page 2: Table Of Contents
Contents Contents Draining the product ..........23 Checking the product's status codes ....23 Checking the electrical installation ...... 23 Safety ..............3 Start-up following maintenance ......23 Action-related warnings ......... 3 Troubleshooting ..........23 Intended use ............3 Troubleshooting ........... 23 General safety information ........ -
Page 3: Safety
Safety 1 Safety Intended use also covers installation in ac- cordance with the IP code. Action-related warnings Any other use that is not specified in these Classification of action-related warnings instructions, or use beyond that specified in The action-related warnings are classified in this document, shall be considered improper accordance with the severity of the possible use. - Page 4 1 Safety 1.3.4 Risk of death from electric shock 1.3.9 Avoid environmental damage caused by escaping refrigerant There is a risk of death from electric shock if you touch live components. The heat pump contains the refrigerant R410A. The refrigerant must not be allowed Before commencing work on the product: to escape into the atmosphere.
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Page 5: Regulations (Directives, Laws, Standards)
Safety 1 Regulations (directives, laws, Other regulations standards) 1.6.1 Control of Substances Hazardous to ▶ Observe the national regulations, stand- Health ards, directives, ordinances and laws. Under Section 6 of The Health and Safety at Work Act 1974, we are required to provide in- Regulations formation on substances hazardous to health. -
Page 6: Notes On The Documentation
2 Notes on the documentation Notes on the documentation Caution. Risk of material or environmental damage. Observing other applicable documents In the event of a power cut, for example due ▶ Always observe all the operating and installation instruc- to maintenance work, interruptions in the tions included with the system components. -
Page 7: Basic System Diagram (Vwl 55/2 A 230 V)
System overview 3 3.3.2 Thawing Basic system diagram (VWL 55/2 A 230 V) 23 20 Evaporator Compressor 4-port valve Electronic expansion valve Plate heat exchanger High-pressure pressure switch in the refrigerant Air inlet temperature 3.3.3 Application limits circuit sensor High-pressure sensor in Finned-tube heat ex- Operation of the pump outside the application limits results in the refrigerant circuit... -
Page 8: Product Overview
4 Product overview Ribbed pipe heat ex- High-pressure sensor in Information on the data Meaning changer the refrigerant circuit plate Temperature sensor Compressor outlet Min. and max. operating pres- of the ribbed pipe heat temperature sensor sure in the refrigerant circuit exchanger Rotary piston com- 4-way valve... -
Page 9: Assembly And Installation
Assembly and installation 5 5.1.1.2 Unpacking the product 13mm Visit www.centralheating.co.uk for more information. Planning consent and Building works notification should be submitted either to Building Control or to a Competent Per- son Provider. Assembly and installation Preparing for fitting and installation 5.1.1 Delivery, transport and positioning 5.1.1.1 Transporting the product... - Page 10 5 Assembly and installation 5.1.2 Dimensions 5.1.2.3 Bottom view 5.1.2.1 Front view Product VWL 55/2 A 230 V VWL 85/2 A 230 V VWL 115/2 A 230 V VWL 155/2 A 230 V Product VWL 55/2 A 230 V 5.1.3 Complying with minimum clearances VWL 85/2 A 230 V 1103...
- Page 11 ▶ Note any noise emissions from the fan and compressor. – Concrete block, – Elevating socket (Vaillant accessory), ▶ Do not expose the product to dusty or corrosive air (e.g. near unsecured streets). ▶ Do not install the product near ventilation shafts.
- Page 12 5 Assembly and installation 5.1.3.3 Installing the heat pump ▶ >ø100 Note the safety warnings in these instructions and in the operating instructions before installing the product. ▶ Install the product on steel beams, concrete blocks or using a wall bracket (accessory). ▶...
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Page 13: Carrying Out The Installation
Assembly and installation 5 Carrying out the installation 5.2.2 Aligning the product 5.2.1 Removing the side casing Remove both screws. Pull the side casing downwards and then forwards. Note Note that the required tool is not included in the scope of delivery. Align the product horizontally so that condensate can flow. -
Page 14: Hydraulics Installation
5 Assembly and installation Hydraulics installation Note Improper purging of the heating circuit may In heating installations that are equipped primarily with ther- cause pump faults due to a low flow rate mostatic or electrically controlled valves, a constant and suf- (F.532). -
Page 15: Carrying Out The Electrical Installation
Assembly and installation 5 5.3.3 Connecting the condensate discharge pipe 5.4.1 Establishing the power supply The external mains connection cable must be earthed and Note connected with the correct polarity and in accordance with Observe all valid national regulations and rules. the valid regulations. -
Page 16: Start-Up
6 Start-up 5.4.3 Laying the 24 V cabling Ø A 230 V~ 230 V~ PE N PE N PE N PE N PE N Auf Zu PE N 1 Ø A FLOOR H EBUS eBUS connection in the eBUS connection in heat pump (observe the the VWZ AI heat pump polarity) -
Page 17: Heat Pump Operating Concept
Start-up 6 Heat pump operating concept Calling up Live Monitor (checking status codes) Caution. Menu → Live Monitor Risk of material damage caused by incor- – You can use this function to call up the status code of the rect handling. heat pump, which provides you with information about Incorrect settings at installer level may cause the current operating condition of the heat pump. -
Page 18: Checking And Treating The Heating Water/Filling And Supplementary Water
6 Start-up Checking and treating the heating To purge the heating circuit, open the heating circuit's purging valve (1) by a 1/4 rotation (B) using an open- water/filling and supplementary water ended spanner. Caution. Increase the operating pressure in the heat pump heat- ing circuit. -
Page 19: Filling The Heating Installation
Start-up 6 Caution. Condition: System separation with a heat exchanger module Risk of material damage if the heating ▶ Connect the filling tap with the heating water supply using water is treated with unsuitable additives. a cold water tap where possible. ▶... -
Page 20: Operating Noises
6 Start-up 6.11 Operating noises Check the pressure in the heating circuit. If necessary, increase it. – Operating pressure: 0.15 to 0.2 MPa (1.50 to 2.0 bar) 10. Open the service valves on the back of the product. "Hhmmm..." (*) 11. -
Page 21: Installing The Side Casing
Maintenance 7 6.12.3.1 Heat pump setting parameters You can read the flow rate directly from the controller. De- pending on the type of liquid in the heating circuit, the flow To individually set the heat pump, you can adjust certain rate displayed on the controller may be exaggerated. -
Page 22: Preparing For Maintenance
CE declaration of conformity. Information about Risk of injury due to sharp-edged casing. available Vaillant genuine spare parts is available by contact- ing the contact address provided on the reverse of this docu- The product's casing sections have sharp ment. -
Page 23: Draining The Product
Troubleshooting 8 Note If necessary, you can drain the heating in- stallation using this drain cock by opening the isolation valves on the back of the heat pump. Checking the product's status codes Menu → Live Monitor You can check the product's status codes at any time to see which mode the heat pump is in. -
Page 24: Carrying Out The Actuator Test
To ensure regular servicing, it is strongly recommended that arrangements are made for a Maintenance Agreement. Display Check programme Please contact Vaillant Service Solutions for further details: Forced heating Telephone: 0330 100 3461 Forced cooling Manual de-icing Installation instructions aroTHERM 0020147164_09... -
Page 25: Appendix
Appendix Appendix Connection diagrams Wiring diagram (VWL 55/2 A 230 V, VWL 85/2 A 230 V, VWL 115/2 A 230 V, VWL 155/2 A 230 V) X10CA X60DA X700 Temperature sensor of the finned-tube heat ex- Compressor inlet temperature sensor changer Compressor outlet temperature sensor Temperature sensor after the plate heat exchanger... -
Page 26: B Heat Pump Schematic
Return heating circuit temperature sensor High-pressure pressure switch in the refrigerant High-efficiency pump with flow rate sensor circuit High-pressure sensor in the refrigerant circuit Expansion vessel (not for Vaillant) Compressor outlet temperature sensor Drain valve Rotary compressor Purging valve Filter... -
Page 27: Heat Pump Schematic Drawing (Vwl 85/2 A 230 V)
Return heating circuit temperature sensor High-pressure pressure switch in the refrigerant High-efficiency pump with flow rate sensor circuit High-pressure sensor in the refrigerant circuit Expansion vessel (not for Vaillant) Compressor outlet temperature sensor Drain valve Rotary compressor Purging valve Filter... -
Page 28: Heat Pump Schematic Drawing (Vwl 115/2 A 230 V)
Return heating circuit temperature sensor High-pressure pressure switch in the refrigerant High-efficiency pump with flow rate sensor circuit High-pressure sensor in the refrigerant circuit Expansion vessel (not for Vaillant) Compressor outlet temperature sensor Drain valve Rotary piston compressor Purging valve... -
Page 29: Heat Pump Schematic Drawing (Vwl 155/2 A 230 V)
Return heating circuit temperature sensor High-pressure pressure switch in the refrigerant High-efficiency pump with flow rate sensor circuit High-pressure sensor in the refrigerant circuit Expansion vessel (not for Vaillant) Compressor outlet temperature sensor Drain valve Rotary piston compressor Purging valve... -
Page 30: D Status Codes
Appendix Parameter Explanation Default Adjustment Own setting setting range Language Select the required language here. 02 Englisch 01 Deutsch 02 English 03 Français 04 Italiano 05 Dansk 07 Castellano 08 Türkçe 09 Magyar 11 Українська 15 Svenska 16 Norsk 18 Čeština 19 Hrvatski 20 Suomi 21 Srpski... - Page 31 Appendix Status Description Product in thawing mode Pump overrun after thawing Pump operated by remote control (auxiliary) Compressor's oil temperature too low for opera- tion Pump prerun before cooling mode Pump prerun correct in cooling mode Water temperature/compatibility test for cooling mode setting Start of cooling mode activated Maximum speed of pump prerun...
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Page 32: E Technical Data
Appendix Status Description Communication fault: eBUS Fault: Flow rate Communication error with frequency converter Compressor overcurrent fault Fault: Electronic expansion valve Fan speed too low Coding resistor fault Fault: Underfloor protective circuit Fault: 4-port valve Fault: Product Technical data Note The following performance data is only applicable to new products with clean heat exchangers. - Page 33 Appendix VWL 55/2 A VWL 85/2 A VWL 115/2 A VWL 155/2 A 230 V 230 V 230 V 230 V Maximum current con- 16 A 16 A 20 A 25 A sumption Pump power consump- 15 to 70 W 15 to 70 W 15 to 70 W 6 to 87 W...
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Page 34: F Overview Of Fault Codes
Appendix VWL 55/2 A VWL 85/2 A VWL 115/2 A VWL 155/2 A 230 V 230 V 230 V 230 V Oil type Specific Specific Specific Specific polyvinyl ether polyvinyl ether polyvinyl ether polyvinyl ether (PVE) (PVE) (PVE) (PVE) Refrigerant circuit control Electronic Electronic Electronic... - Page 35 Appendix Code Meaning Cause F.520 Sensor fault: Flow temperature Sensor is defective or incorrectly connected to the main PCB F.523 Sensor fault: VF1 Line to temperature sensor VF1 is broken or has a short circuit F.526 Sensor is defective or incorrectly connected to the main PCB Sensor fault: Temp.
- Page 36 Appendix Code Meaning Cause – F.750 Connection fault: Compressor Cable insulation defective – Connection broken – F.751 Compressor: Overcurrent fault The product's power supply is too low – The fin-type heat exchanger or heat exchanger is dirty – F.752 Fault: Frequency converter The parameter Max.
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Page 37: G Commissioning Checklist
Appendix Commissioning Checklist Benchmark Commissioning & Warranty Validation Service Record It is a requirement that the heat pump is installed and commissioned to the manufacturers’ instructions and the data fields on the commissioning checklist completed in full. To instigate the warranty the heat pump needs to be registered with the manufacturer within one month of the installation. - Page 38 Appendix AIR TO WATER HEAT PUMP COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the heat pump and associated equipment as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference.
- Page 39 Appendix SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. SERVICE 01 SERVICE 02 Date:...
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Page 40: Index
Index Index Actuator test ................ 24 Back Cleaning................. 22 Basic diagram................ 3 CE marking................8 Check programmes ............. 24 Competent person..............3 Data plate ................8 Disposal, packaging ............24 Disposing of the packaging ..........24 Documents ................6 Electricity ................4 Filling ................... - Page 44 0020147164_09 0020147164_09 01.03.2021 Supplier Vaillant Ltd. Nottingham Road Belper Derbyshire 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 manufacturer's written consent. Subject to technical modifications.