Nimbus Plus M NET R32 Installation Manual UK

Introduction Dear

Introduction Dear Madam, Dear Sir, thank you for choosing the NIMBUS PLUS M NET R32 ARIS- TON system. This manual was drawn up with the aim of informing you on how to install, use and maintain the NIMBUS PLUS M NET R32 system, in order to enable you to optimally use all the functions. Store this booklet, as it contains all the necessary information regarding the product following its initial installation. To find the nearest Technical Assistance Service and to consult the multimedia copy of the documentation, you can connect to the Internet website www.ariston.com. Please also refer to the Warranty Certificate that you will find inside the packaging, or which was handed to you by the installer. Symbols used throughout this manual and their meaning i a Warranty WARNING Indicates important information and particularly delicate operations. WARNING: DANGER Indicates actions that, if not performed correctly, can lead to general injuries or malfunctions or material damages to the appliance; they therefore require special attention and adequate training. The ARISTON product is covered by a conventional warranty, which takes effect from the date of purchase of the appliance. For the warranty conditions, refer to the warranty certificate accompanying the product. Compliance The CE marking applied to the appliance certifies that it conforms with the essential requirements of the following European Directives: – 2014/30/EU (Electromagnetic Compatibility Directive) – 2014/35/EU (Low Voltage Directive) – RoHS 3 2015/863/EU on restrictions regarding the use of certain hazardous substances in electrical and electronic appliances (EN IEC 63000:2018) – Regulation (EU) no. 813/2013 relative to ecodesign (no. 2014/C 207/02 - transitional methods of measurement and calculation) – 2014/68/EU (PED) The UKCA marking applied to the appliance certifies that it conforms with the essential requirements of the following Regulations: – Electrical Equipment (Safety) Regulations 2016 (S.I. 2016 No 1101, as amended) – Ecodesign for Energy-Related Products and Energy Information Regulations 2019 (S.I. 2019 No 539, as amended) – Pressure Equipment (Safety) Regulations SI 2016 no. 1105, as amended – Electromagnetic Compatibility Regulations 2016 (S.I. 2016 No. 1091, as amended) – The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012 (S.I. 2012 No. 3031, as amended) Disposal PRODUCT CONFORMING TO: – EU DIRECTIVE 2012/19/EU – Italian Legislative Decree 49/2014 pursuant to Art. 26 of Legislative Decree no. 49 of 14 March 2014, “Implementation of Directive 2012/19/UE on waste of electrical and electronic equipment (WEEE)” – UK Waste Electrical and Electronic Equipment Regulations 2013 S.I. 2013 No. 3113 The barred wheeled bin symbol appearing on the appliance or on its packaging indicates that the product must be collected separately from other waste at the end of its useful life. The user must therefore deliver the decommissioned product to an appropriate local facility for separate collection of electrotechnical and electronic waste. Alternatively, the appliance to be scrapped can be delivered to the dealer when purchasing a new equivalent appliance. Proper separated collection of the decommissioned appliance for its subsequent recycling, treatment and eco-compatible disposal helps to prevent negative effects on the environment and human health, besides encouraging reuse and/or recycling of its constituent materials. 2 / EN

Contents 1. Safety advices 1.1 General warnings and safety instructions 4 1.2 Use of the R32 refrigerant 6 1.3 Symbols affixed to the appliance 7 2. Description of the system 2.1 Outdoor unit (ODU) 8 2.1.1 Structure 8 2.1.2 Dimensions and weights 9 2.1.3 Hydraulic and drainage fittings 10 2.1.4 Accessories 10 2.2 Indoor unit (IDU) 11 2.2.1 Structure 11 2.2.2 Dimensions and weights 12 2.2.3 Hydraulic and drainage fittings 12 2.3 Operational limits 13 2.3.1 Compressor frequency table 13 2.4 Identification 13 2.5 System interface SENSYS HD 14 2.5.1 Technical data 15 2.6 External probe 15 3. Installation 3.1 Preliminary warnings 16 3.2 Receiving the product 17 3.3 Installing the outdoor unit 17 3.3.1 Place of installation 17 3.3.2 Noise level 18 3.3.3 Handling 18 3.3.4 Installation 19 3.3.5 Arranging the connections 20 3.3.6 Installing the accessory kit 20 3.4 Installing the indoor unit 21 3.4.1 Place of installation 21 3.4.2 Handling 22 3.4.3 Hanging the indoor unit 22 4. Hydraulic connections 4.1 Indoor unit hydraulic connections 23 4.1.1 Safety valve drain 24 4.1.2 Minimum water content 24 4.1.3 Domestic hot water accessory (if present) 24 4.1.4 Expansion vessel 24 4.1.5 Rated and minimum flow rate 24 4.1.6 Available pressure 25 4.1.7 Characteristics of the supply water 26 4.1.8 Filling the system 26 4.2 Example of schematic hydraulic diagram 27 5. Electrical connections 5.1 Outdoor unit electrical connections 32 5.2 Indoor unit electrical connections 33 5.3 Example of electrical connection between indoor and outdoor units 36 5.4 Installing the system interface 37 5.4.1 Wall installation 37 5.4.2 On-board installation 37 5.5 Installing the Light Gateway 39 6. Commissioning 6.1 Checking for electrical dispersions and gas leakages 41 6.1.1 Electrical safety checks 41 6.1.2 Check for gas leakages 41 6.2 Preliminary checks 41 6.3 Initial start-up 42 6.3.1 Start-up procedure 42 6.4 Basic functions 43 6.5 Access to technical area 43 6.6 Technical parameters 44 6.7 Temperature adjustment 54 6.8 Standard SG ready 58 6.9 Parameter table 59 7. Service 7.1 Cleaning and inspecting the indoor unit 70 7.2 Cleaning and inspecting the outdoor unit 70 7.3 Error list 71 8. Decommissioning 8.1 Draining the circuit and recovering the refrigerant 74 8.2 Disposal 75 9. Technical information 9.1 Data plate 76 9.2 Technical data table for refrigerant 76 10. Annexes EN / 3