INSTALLATION MANUAL - Daikin AC

ERLQ018BAVJUERLQ024BAVJUERLQ030BAVJUOutdoor unit for air to water heat pumpInstallation manualCONTENTSPage1. Definitions.................................................................................. 12. Introduction................................................................................ 22.1. General information........................................................................ 22.2. Model identification ........................................................................ 22.3. Combination and options ............................................................... 22.4. Operation range ............................................................................. 2In cooling mode.............................................................................. 2In heating mode ............................................................................. 2In domestic water heating mode .................................................... 23. Accessories ............................................................................... 34. General safety precautions........................................................ 35. Overview of unit......................................................................... 35.1. Opening the unit............................................................................. 35.2. Main components........................................................................... 3Unit................................................................................................. 3Switchbox....................................................................................... 45.3. Functional diagram......................................................................... 46. Precautions on installation location ........................................... 46.1. General precautions....................................................................... 46.2. Weather dependent precautions .................................................... 56.3. Selecting a location in cold climates .............................................. 56.4. Installing near a wall or obstacle.................................................... 5Wall facing one side ....................................................................... 5Walls facing two sides .................................................................... 5Walls facing three sides ................................................................. 66.5. Additional precautions.................................................................... 67. Installation of the unit................................................................. 67.1. Unpacking the unit ......................................................................... 67.2. Inspection....................................................................................... 67.3. Handling the unit ............................................................................ 67.4. Installation instructions................................................................... 6Mounting the outdoor unit .............................................................. 6Outdoor installation drawing........................................................... 6Drain work...................................................................................... 78. Refrigerant pipe size and allowable pipe length ........................ 78.1. Refrigerant piping material............................................................. 78.2. Piping material selection ................................................................ 78.3. Refrigerant piping specifications .................................................... 79. Precautions on refrigerant piping............................................... 79.1. Guidelines for brazing .................................................................... 79.2. Guidelines for flare connection....................................................... 89.3. Guidelines for handling the stop valve ........................................... 8Cautions for handling the stop valve .............................................. 8How to use the stop valve .............................................................. 8Cautions for handling the stop valve cover .................................... 9Cautions for handling the service port ........................................... 9Tightening torques ......................................................................... 910. Piping connection work.............................................................. 910.1. Preventing foreign objects from entering........................................ 910.2. Leak test and vacuum drying ......................................................... 9General guidelines ......................................................................... 9Setup.............................................................................................. 9Leak test ...................................................................................... 10Vacuum drying ............................................................................. 1010.3. Pipe insulation.............................................................................. 10Selection of heat insulation materials .......................................... 1011. Charging refrigerant................................................................. 1011.1. Additional refrigerant charging ..................................................... 1111.2. Precautions when adding R410A................................................. 1111.3. Charging amount ......................................................................... 1112. Pump down operation.............................................................. 1112.1. Procedure .................................................................................... 1113. Electric wiring work.................................................................. 1113.1. Switch box component list............................................................ 1213.2. Field wiring................................................................................... 12Procedure .................................................................................... 12Notes to observe.......................................................................... 1314. Start-up and configuration ....................................................... 1414.1. Pre-operation checks ................................................................... 1415. Test operation ..........................................................................1415.1. Test run recommendations........................................................... 1415.2. Maintenance and testing logbook ................................................ 1415.3. Test run ........................................................................................ 1516. Maintenance and service.........................................................1516.1. Service mode operation ............................................................... 1517. Troubleshooting........................................................................1518. Disposal requirements .............................................................1519. Unit specifications....................................................................1519.1. Technical specifications ............................................................... 1519.2. Electrical specifications................................................................ 15Thank you for purchasing this product.The original instructions are written in English. All other languagesare translations of the original instructions.1. DEFINITIONSInstallation manual:Instruction manual specified for a certain product or application,explaining how to install, configure and maintain it.Operation manual:Instruction manual specified for a certain product or application,explaining how to operate it.Danger:Indicates an imminently hazardous situation which, if not avoided, willresult in death or serious injury.Warning:Indicates a potentially hazardous situation which, if not avoided,could result in death or serious injury.Caution:Indicates a potentially hazardous situation which, if not avoided, mayresult in minor or moderate injury. It may also be used to alert againstunsafe practices.Note:Indicates situations that may result in equipment or property-damageaccidents only.Dealer:Sales distributor for products as per the subject of this manual.Installer:Technical skilled person who is qualified to install products as per thesubject of this manual.Service agent:Qualified person who can perform or coordinate the required serviceto the unit.Legislation:CAREFULLY READ THESE INSTRUCTIONS BEFOREINSTALLATION. THEY WILL TELL YOU HOW TO INSTALLAND HOW TO CONFIGURE THE UNIT PROPERLY.KEEP THIS MANUAL IN A HANDY PLACE FOR FUTUREREFERENCE.All international, European, national and local directives, laws,regulations and/or codes which are relevant and applicable for acertain product or domain.Installation manual1ERLQ018~030BAVJUOutdoor unit for air to water heat pump4PW62590-1 – 07.2010