Installation manual2 ERLQ006~008BBV39Outdoor unit for air to water heat pump4PW68003-1A – 03.20111.2. Meaning of used termsInstallation 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.Maintenance instructions:Instruction manual specified for a certain product or application,which explains (if relevant) how to install, configure, operate and/ormaintain the product or application.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.User:Person who is owner of the product and/or operates the product.Service company:Qualified company which can perform or coordinate the requiredservice to the unit.Applicable legislation:All international, European, national and local directives, laws,regulations and/or codes which are relevant and applicable for acertain product or domain.Accessories:Equipment which is delivered with the unit and which needs to beinstalled according to instructions in the documentation.Optional equipment:Equipment which can optionally be combined to the products as perthe subject of this manual.Field supply:Equipment which needs to be installed according to instructions inthis manual, but which are not supplied by Daikin.2. GENERAL SAFETY PRECAUTIONSThe precautions here, all cover very important topics, so be sure tofollow them carefully.All activities described in this manual shall be carried out by aninstaller.Be sure to wear adequate personal protection equipment (protectiongloves, safety glasses, …) when performing installation, maintenanceor service to the unit.If not sure of installation procedures or operation of the unit, alwayscontact your local dealer for advice and information.Improper installation or attachment of equipment or accessoriescould result in electric shock, short-circuit, leaks, fire or other damageto the equipment. Be sure only to use accessories and optionalequipment made by Daikin which are specially designed for use withthe products as of subject in this manual and have them installed byan installer.DANGER: ELECTRICAL SHOCKSwitch off all power supply before removing the switch boxservice panel or before making any connections ortouching electrical parts.To avoid electric shock, be sure to disconnect the powersupply 1 minute or more before servicing the electricalparts. Even after 1 minute, always measure the voltage atthe terminals of main circuit capacitors or electrical partsand, before touching, be sure that those voltages are50 V DC or less.When service panels are removed, live parts can easily betouched by accident. Never leave the unit unattendedduring installation or servicing when the service panel isremoved.DANGER: DO NOT TOUCH PIPING AND INTERNALPARTSDo not touch the refrigerant piping, water piping or internalparts during and immediately after operation. The pipingand internal parts may be hot or cold depending on theworking condition of the unit.Your hand may suffer burns or frostbite if you touch thepiping or internal parts. To avoid injury, give the piping andinternal parts time to return to normal temperature or, ifyou must touch them, be sure to wear protective gloves.