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It covers heat pump system types and key components, how heat pumps work, and how efficiency is influenced by temperature and defrost cycles. The guide explains sizing and design steps, installation of pipework and indoor/outdoor units, leak/pressure testing, evacuation, refrigerant charging and labelling, and electrical wiring requirements. 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\nContents  \nIndex of figures and tables 5  \n1.0 Introduction 7  \n2.0 Heat pump systems 8  \n2.1 Types of heat pump systems 8  \n2.2 Components of a heat pump 10  \n2.3 How a heat pump works 12  \n2.4 Variable-speed (inverter) compressors 12  \n3.0 Heat pump performance 13  \n3.1 Heat pump efficiency 13  \n3.2 Energy rating label 14  \n3.3 Effects of temperature on efficiency and heating capacity 14  \n3.4 Impacts of defrost cycle on efficiency and heat output 15  \n4.0 Designing a heat pump system 16  \n4.1 Steps for designing a heat pump system 16  \n4.2 The importance of correct heat pump sizing 16  \n4.3 Step 1: Determine requirements 17  \n4.4 Step 2: Calculate heat load requirement 19  \n4.5 Step 3: Determine design temperature 20  \n4.6 Step 4: Select a system to meet requirements 21  \n4.7 Step 5: Locate the units 21  \n5.0 Toolkit 25  \n6.0 Installing pipework 26  \n6.1 Pipework installation 26  \n6.2 Pipework pre-installation in new buildings 33  \n7.0 Heat pump installation 35  \n7.1 Pre-installation checklist 35  \n7.2 Installing the indoor unit 36  \n7.3 Installing the outdoor unit 39  \n7.4 Connecting piping to indoor and outdoor units 41  \n7.5 Leak/pressure test 44  \n7.6 Evacuation of the system 44  \n8.0 Refrigerants 46  \n8.1 Refrigerant charging 47  \n8.2 Labelling as record of service 47  \n9.0 Electrical requirements 48  \n9.1 Installing electrical wiring 48  \n9.2 Outdoor unit connections 48  \n9.3 Nameplate 49  \nEECA (Energy Efficiency and Conservation Authority) has taken reasonable steps to maintain current and accurate information in this document. However, no guarantee is made as to the currency or accuracy of information.  \n3  \nContents  \n10.0 Testing, commissioning and customer operating instructions 50  \n10.1 Pre-commissioning checks 50  \n10.2 Electrical checks 50  \n10.3 Prepare the remote control 50  \n10.4 Testing the new system 51  \n10.5 Instructions to the owner 51  \n10.6 Checklist for using a heat pump efficiently 52  \n10.7 Quality assurance checklist for auditing 53  \n11.0 Servicing and maintenance 54  \n11.1 Owner maintenance 54  \n11.2 Service person maintenance 55  \n4  \nGood practice guide to heat pump installation  \nIndex of figures and tables  \nFigure 2.1 Split system heat pump 8  \nFigure 2.2 Multi-split system heat pump 8  \nFigure 2.3 Ducted heat pump system 8  \nFigure 2.4 High wall-mounted unit 9  \nFigure 2.5 Ceiling cassette 9  \nFigure 2.6 Floor console 9  \nTable 2.1 Heat pump components 10  \nFigure 2.7 Schematic diagram of reverse-cycle, air-to-air,  \nsplit system heat pump operation (heating mode) 10 Figure 2.8 Schematic diagram of reverse-cycle, air-to-air,  \nsplit system heat pump operation (cooling mode) 11 Figure 2.9 Schematic diagram of heat pump operation (heating) 11  \nFigure 2.10 Inverter operation 12  \nFigure 3.1 Schematic of heat pump performance 13  \nFigure 3.2 Graphic representation of heat pump efficiency 14  \nTable 3.1 Outdoor ambient temperature rating conditions 15  \nTable 4.1 Designing a heat pump system 16  \nTable 4.2 Effects of incorrectly sized systems 16  \nFigure 4.1 Floor-mounted unit – horizontal and vertical air discharge (heating) 18  \nFigure 4.2 Ceiling-mounted unit – horizontal air discharge (heating) 18  \nFigure 4.3 Ceiling-mounted unit – vertical air discharge (heating) 18  \nFigure 4.4 Wall/high wall-mounted unit – horizontal air discharge (cooling) 18  \nTable 4.3 External design temperatures by territorial authority  \n(local council) areas 20  \nTable 4.4 Example of a heat pump performance guide chart 21  \nFigure 4.5 Outdoor unit clearances 21  \nFigure 4.6 Service access 22  \nFigure 4.7 Clearances required between outdoor unit and exchange  \nLPG gas bottles 22  \nFigure 4.8 Locate the outdoor unit where a solid barrier can block the sound 23  \nFigure 4.9 Wall-mounted indoor unit clearances 23  \nFigure 4.10 Pre-install pipework b","cbCaigBxwifWxydw","https://ap.wps.com/l/cbCaigBxwifWxydw","pdf",16559462,56,"English","# 1.0 Introduction\n# 2.0 Heat pump systems\n## 2.1 Types of heat pump systems\n## 2.2 Components of a heat pump\n## 2.3 How a heat pump works\n## 2.4 Variable-speed (inverter) compressors\n# 3.0 Heat pump performance\n## 3.1 Heat pump efficiency\n## 3.2 Energy rating label\n## 3.3 Effects of temperature on efficiency and heating capacity\n## 3.4 Impacts of defrost cycle on efficiency and heat output\n# 4.0 Designing a heat pump system\n## 4.1 Steps for designing a heat pump system\n## 4.2 The importance of correct heat pump sizing\n## 4.3 Step 1: Determine requirements\n## 4.4 Step 2: Calculate heat load requirement\n## 4.5 Step 3: Determine design temperature\n## 4.6 Step 4: Select a system to meet requirements\n## 4.7 Step 5: Locate the units\n# 5.0 Toolkit\n# 6.0 Installing pipework\n## 6.1 Pipework installation\n## 6.2 Pipework pre-installation in new buildings\n# 7.0 Heat pump installation\n## 7.1 Pre-installation checklist\n## 7.2 Installing the indoor unit\n## 7.3 Installing the outdoor unit\n## 7.4 Connecting piping to indoor and outdoor units\n## 7.5 Leak/pressure test\n## 7.6 Evacuation of the system\n# 8.0 Refrigerants\n## 8.1 Refrigerant charging\n## 8.2 Labelling as record of service\n# 9.0 Electrical requirements\n## 9.1 Installing electrical wiring\n## 9.2 Outdoor unit connections\n## 9.3 Nameplate\n# 10.0 Testing, commissioning and customer operating instructions\n## 10.1 Pre-commissioning checks\n## 10.2 Electrical checks\n## 10.3 Prepare the remote control\n## 10.4 Testing the new system\n## 10.5 Instructions to the owner\n## 10.6 Checklist for using a heat pump efficiently\n## 10.7 Quality assurance checklist for auditing\n# 11.0 Servicing and maintenance\n## 11.1 Owner maintenance\n## 11.2 Service person maintenance","[{\"question\":\"What types of heat pump systems and components does the guide cover?\",\"answer\":\"The guide outlines common heat pump system types and explains major components and how the heat pump works, including variable-speed (inverter) compressors.\"},{\"question\":\"How does the guide recommend designing a heat pump system?\",\"answer\":\"It provides step-by-step design guidance, including determining requirements, calculating heat load, setting design temperature, selecting a system, and locating units, with emphasis on correct sizing.\"},{\"question\":\"What installation and commissioning checks are included?\",\"answer\":\"The guide covers pipework installation and pre-installation, indoor and outdoor unit installation, connecting piping, leak/pressure testing, system evacuation, refrigerant charging and labelling, electrical wiring, and pre-commissioning and electrical checks plus owner operating instructions.\"}]","Good practice guide to heat pump installation - March 2022 | PDF",1792963875,141]