Operating instructions Contents Safety ..............4 Action-related warnings ......... 4 Intended use ............4 General safety information ........4 Notes on the documentation ......6 Documents............. 6 Validity of the instructions ........6 Product description..........6 Heat pump system..........6 Description of the product........
Safety ities or lack of experience and knowledge if they have been given supervision or instruc- Action-related warnings tion concerning use of the product in a safe way and understand the hazards involved. Classification of action-related warnings Children must not play with the product. The action-related warnings are classified in Cleaning and user maintenance work must accordance with the severity of the possible...
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– to constructional conditions that may affect the operational reliability of the product 1.3.3 Risk of injury and material damage due to maintenance and repairs carried out incorrectly or not carried out at all ▶ Never attempt to carry out maintenance work or repairs on your product yourself.
Notes on the documentation Functions of the heat pump The heat pump has a closed refrigerant circuit in which refri- Documents gerant circulates. ▶ Always observe all operating instructions enclosed with Cyclic evaporation, compression, liquefaction and expansion the installation components. takes in heat energy from the surroundings and transfers it to ▶...
Warning sticker 4.1.2 Protective zone for ground installation in front of a building wall Safety-relevant stickers are affixed to several points on the product. The warning stickers include rules of conduct for the R290 refrigerant. The warning stickers must not be removed. Symbol Meaning Warning against flammable materials in...
4.1.4 Protective zone for wall installation in front The protective zone below the product extends as far as the floor. of a building wall 4.1.6 Protective zone for flat-roof installation 1000 mm Design of the condensate discharge The condensate that accumulates can be guided into a sewer, pump sump or soakaway via a downpipe, gully, balcony run-off or roof run-off.
electrical trace heating in order to keep the condensate dis- Carrying out maintenance work charge pipe frost-free. Danger! 4.2.3 Design of the condensate discharge for flat- Risk of injury and risk of material damage roof installation due to neglected or incorrect maintenance and repairs.
10 Guarantee and customer service 10.1 Guarantee Vaillant provides a full parts and labour guarantee for this appliance for the duration as shown on the enclosed re- gistration card which must be fully completed and returned within 30 days of installation. All appliances must be installed...
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Installation and maintenance Connecting the pipelines to the product ....29 Completing the hydraulics installation ....29 instructions Option: Connecting the product to a swimming pool ..............29 Contents Electrical installation......... 29 Preparing the electrical installation...... 29 Safety ..............13 Requirements for the quality of the mains Action-related warnings ........
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Customer service..........38 15.1 Customer service..........38 Appendix ................39 Functional diagram..........39 Safety devices............ 40 Wiring diagram........... 41 Wiring diagram, power supply, 1~/230V....41 Wiring diagram, power supply, 3~/400V....42 Wiring diagram, sensors and actuators ....43 Inspection and maintenance work ....44 Technical data............
– compliance with all inspection and main- Safety tenance conditions listed in the instruc- Action-related warnings tions. Classification of action-related warnings Intended use also covers installation in ac- The action-related warnings are classified in cordance with the IP code. accordance with the severity of the possible Any other use that is not specified in these danger using the following warning symbols instructions, or use beyond that specified in...
▶ Ensure that no air gets into the refrigerant Before commencing work on the product: circuit, into refrigerant-carrying tools or ▶ Disconnect the product from the power units, or into the refrigerant cylinder. supply by switching off all power supplies ▶...
Notes on the documentation Description of the product The product is the outdoor unit of an air-to-water heat pump Documents with monoblock technology. ▶ Always observe all the operating and installation instruc- Cooling mode tions included with the system components. ▶...
3.4.3 Noise reduction mode HMU PCB INVERTER assembly Compressor assembly A noise reduction mode can be activated for the product. In noise reduction mode, the product operates more quietly than in normal operating mode. This is achieved using a limited compressor rotational speed and an adjusted fan speed.
3.5.2 Compressor assembly Pressure sensor in the Connection for heating low-pressure area flow Automatic air vent Maintenance connection Filter Connection for heating in the low-pressure area return Separator Refrigerant buffer Pressure switch in the Expansion relief valve high-pressure area Pressure sensor in the Filter Information on the data plate high-pressure area...
For domestic hot water generation, the product works at out- door temperatures of -20 °C to 43 °C. Vaillant is a licensed member of the Benchmark Scheme. Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are...
3.12 Safety devices The product is equipped with technical safety devices. See "Safety devices" graphic in the appendix. If the refrigerant circuit pressure exceeds the maximum pres- sure of 3.15 MPa (31.5 bar), the pressure switch temporarily switches the product off. Following a waiting period, another attempt is made to start it.
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4.1.1 Protective zone for ground installation on 4.1.3 Protective zone for ground installation in a the premises building corner 1000 mm Dimension A is a clearance around the product. 4.1.2 Protective zone for ground installation in front of a building wall 2100 mm 1000 mm 2600 mm...
4.1.4 Protective zone for wall installation in front 1000 mm 1800 mm of a building wall 500 mm The protective zone below the product extends as far as the floor. The right-hand corner of the building is shown here. Dimen- sion C is the minimum clearance that must be maintained to the wall (→...
To prevent the condensate from freezing, the heating wire After transport, remove the transport straps. must be threaded into the downpipe via the condensate dis- charge tundish. Dimensions 5.3.1 Front view 4.2.2 Design of the condensate discharge for wall installation For wall installation, the condensate can be discharged into a gravel bed that is located below the product.
5.3.3 Bottom view Validity: Floor installation OR Flat roof installation 5.3.4 Rear view Minimum clear- Heating mode Heating and cooling ance mode 100 mm 100 mm 1000 mm 1000 mm 200 mm 250 mm 500 mm 500 mm 600 mm 600 mm Validity: Wall-mounting Complying with minimum clearances...
▶ Conditions for the installation type Prevent the return intake of air from the air outlet. ▶ Ensure that water cannot collect on the subsoil. The product is suitable for the following installation types: ▶ Ensure that the subsoil can absorb water well. Ground installation, wall installation and flat-roof installation.
▶ ▶ Select an installation site at which the air inlet is not af- Add a layer of water-permeable coarse rubble (3). ▶ fected by strong winds. Position the unit as crosswise to Calculate the depth (A) in accordance with local condi- the main direction of wind as possible.
▶ Use two concrete bases and an anti- Condition: Version with drain pipework slip protective mat. ▶ Install this design only in regions without ground frost. ▶ Screw the product to the concrete base. ▶ Install the supplied condensate discharge tundish (3) and adapter (2).
5.12 Setting up a protective wall 5.13.3 Removing the front casing Validity: Floor installation OR Flat roof installation ▶ If the installation site is not protected against the wind, set up a protective wall against the wall. ▶ 2×1 Comply with the minimum clearances. 5.13 Removing/installing the casing sections The following work must only be carried out when required or...
5.13.5 Removing the left-hand side casing 5.13.7 Installing the casing sections When installing, carry out the steps for removal in re- verse. To do this, follow the figures for the removal (→ Section 5.13.1). 2×1 Hydraulics installation Installation type: Direct connection or system separation In the case of a direct connection, the outdoor unit is hy- draulically connected directly to the indoor unit and the heat-...
▶ Check all connections for tightness. Validity: Floor installation Validity: Wall-mounting ▶ Route the pipelines through a suitable safety pipe in the ground, as shown in the example in the figure. ▶ ▶ You can find the dimensions and clearances in the Use the pre-installation jig and the enclosed compon- set-up instructions for the accessories (pre-installation ents from the accessories.
▶ Observe the technical connection conditions for con- To do this, follow the wiring diagram in the appendix of necting to the energy supply company's low-voltage the installation instructions for the indoor unit. network. Removing the cover for the electrical Determine whether the energy supply company lockout function has been provided for the product, and how connections...
7.8.1 1~/230V, single power supply Establishing the power supply, 3~/400V ▶ If it is stipulated for the installation site, install one re- Determine the type of connection: sidual-current circuit breaker for the product. Case Connection type Energy supply company lockout not Single power supply provided Energy supply company lockout...
Start-up Connect the 5-pole power supply cable (from the heat pump electricity meter) to connection X200. This power supply may be temporarily switched off by the energy Checking before switching on supply company. ▶ Check whether all the hydraulic connections are estab- Remove the 2-pole bridge from the X210 connection.
– Filling and purging the heating circuit If the pH value of the heating water is less than 8.2 or more than 10.0. If you want to guarantee frost protection, do not fill the entire heating circuit with antifreeze, but rather estab- Total Water hardness at specific system volume lish a system separation.
Use the "Troubleshooting" table (→ installation instruc- part of the CE declaration of conformity. You can find inform- tions for the indoor unit, Appendix). ation about available Vaillant original spare parts by contact- ing the contact address provided on the back page of these instructions.
11.4 Carrying out maintenance work 11.4.5 Checking the evaporator, fan and condensate discharge 11.4.1 Checking the protective zone Clean the gaps between the fins using a soft brush. In ▶ Check whether the defined protective zone is being doing so, avoid fins being bent. maintained in the area close around the product.
▶ by Vaillant or customer service or a similarly qualified Restrict the working area and put up warning signs. ▶ person in order to prevent hazards. Wear suitable personal protective equipment and bring a In the unit, check that the electrical wire are seated fire extinguisher with you.
▶ Ensure that no air gets into the refrigerant Only use hoses, couplings and valves that are leak- tight and in proper working condition. Check the tight- circuit, into refrigerant-carrying tools or ness using a suitable gas sniffer. units, or into the refrigerant cylinder. Drain the recycling cylinder.
Disconnect the product from the power supply but en- or you can visit www.vaillant.co.uk. sure that the product is still earthed. Drain the heating water from the product.
Appendix Functional diagram Temperature sensor at the air inlet Temperature sensor on the heating flow Filter Heating pump Electronic expansion valve Connection for heating return Pressure sensor Connection for heating flow Maintenance connection in the low-pressure area Flow rate sensor Temperature sensor upstream of the compressor Temperature sensor on the heating return 4-port diverter valve...
Safety devices PZHH Heating pump Temperature sensor upstream of the compressor Temperature sensor on the heating flow Maintenance connection in the low-pressure area Pressure sensor in the heating circuit Pressure sensor in the low-pressure area Expansion relief valve Refrigerant buffer Automatic air vent Separator Evaporator...
Wiring diagram Wiring diagram, power supply, 1~/230V X200 1~/230V X201 X210 X211 X214 X220 X213 eBUS X212 INSTALLER BOARD PCB Range for the safety extra-low voltage (SELV) Power supply connection Connection to the HMU PCB, data line Bridge, depending on the type of connection (energy Connection to the HMU PCB, power supply supply company lockout) Power supply for fan 2...
Wiring diagram, power supply, 3~/400V X200 3~/400V X201 X210 X211 X214 X220 X213 eBUS X212 INSTALLER BOARD PCB Connection to the HMU PCB, data line Power supply connection Connection to the HMU PCB, power supply Bridge, depending on the type of connection (energy Power supply for fan 2 supply company lockout) Power supply for fan 1...
Wiring diagram, sensors and actuators 9 18 X100 / X106 9 19 HMU PCB Pressure sensor in the heating circuit Actuation for fan 2 Temperature sensor on the heating flow Flow rate sensor Temperature sensor on the heating return Connection to the INSTALLER BOARD PCB Temperature sensor at the air inlet Heating pump power supply Actuation for fan 1...
Pressure sensor in the high-pressure area Actuation for INVERTER assembly Electronic expansion valve Slot for coding resistor for cooling mode Temperature sensor at the evaporator Range for the safety extra-low voltage (SELV) Temperature sensor downstream of the condenser Inspection and maintenance work Maintenance work Interval Checking the protective zone...
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Technical data – Heating circuit VWL 105/6 A VWL 105/6 A S2 VWL 125/6 A VWL 125/6 A S2 230V S2 230V S2 20 to 75 ℃ 20 to 75 ℃ 20 to 75 ℃ 20 to 75 ℃ Heating water temperature, minimum/maximum Basic length of the heating water pipe, max- 20 m 20 m...
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VWL 105/6 A VWL 105/6 A S2 VWL 125/6 A VWL 125/6 A S2 230V S2 230V S2 Power consumption, A7/W55 13.50 A 5.10 A 13.50 A 5.10 A Heat output, A7/W65 11.40 kW 11.40 kW 11.40 kW 11.40 kW Coefficient of performance, COP, EN 14511, 2.30 2.30...
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.
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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.
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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:...
Index Voltage ................13 Air inlet grille................ 28 Warning sticker..............18 Air outlet grille..............27 Application limit ..............18 Assembly and component ..........16–17 Automatic air vent..............35 Basic diagram..............14 Casing section............27–28, 35 CE marking................18 Competent person............... 13 Condensate discharge ..........
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