EHBH/X16Daikin Altherma - Low Temperature Split4P313776-1 – 2012.05Installer reference guide21 About the documentation11 Maintenance and service 6111.1 Overview: Maintenance..................................................................6111.2 Maintenance safety precautions ....................................................6111.2.1 Opening the indoor unit ......................................................6111.3 Checklist for yearly maintenance for indoor unit ............................6112 Troubleshooting 6212.1 Overview: Troubleshooting.............................................................6212.2 General guidelines .........................................................................6212.3 Solving problems based on symptoms ..........................................6312.3.1 Symptom: The unit is NOT heating or cooling as expected6312.3.2 Symptom: The compressor does NOT start (space heatingor domestic water heating) .................................................6312.3.3 Symptom: The pump is making noise (cavitation)..............6312.3.4 Symptom: The pressure relief valve opens ........................6412.3.5 Symptom: The water pressure relief valve leaks................6412.3.6 Symptom: The space is NOT sufficiently heated at lowoutdoor temperatures .........................................................6412.3.7 Symptom: The pressure at the tapping point is temporarilyunusual high .......................................................................6412.3.8 Symptom: Decoration panels are pushed away due to aswollen tank........................................................................6512.4 Solving problems based on error codes.........................................6512.4.1 Error codes: Overview ........................................................6613 Glossary 6814 Technical data 6914.1 Dimensions and service space ......................................................6914.1.1 Dimensions and service space: Indoor unit........................6914.2 Components ...................................................................................7014.2.1 Components: Indoor unit ....................................................7014.2.2 Components: Switch box (indoor unit)................................7114.2.3 Components: Controller (indoor unit) .................................7214.3 Functional diagrams.......................................................................7214.3.1 Functional diagram: Indoor unit ..........................................7214.4 Piping diagram ...............................................................................7314.4.1 Piping diagram: Indoor unit.................................................7314.5 Wiring diagram ...............................................................................7414.5.1 Wiring diagram – components: Indoor unit.........................7414.6 Technical specifications..................................................................7914.6.1 Technical specifications: Indoor unit ...................................7914.7 Operation range .............................................................................8014.7.1 Operation range: Indoor unit...............................................8014.8 ESP curve ......................................................................................8214.8.1 ESP curve: Indoor unit........................................................8214.9 Performance...................................................................................8414.10Combination table ..........................................................................871 About the documentation1.1 About this documentTarget audienceAuthorized installersDocumentation setThis document is part of a documentation set. The complete setconsists of:Latest revisions of the supplied documentation may be available onthe regional Daikin website or via your dealer.2 General safety precautions2.1 About the documentationQ The original documentation is written in English. All otherlanguages are translations.Q The precautions described in this document cover veryimportant topics, follow them carefully.Q All activities described in the installation manual must beperformed by an authorized installer.2.1.1 Meaning of warnings and symbolsDocument Contains… FormatGeneralsafetyprecautionsSafety instructions thatyou must read beforeinstallingPaper (in the box of theindoor unit)Indoor unitinstallationmanualInstallation instructionsOutdoor unitinstallationmanualInstallation instructions Paper (in the box of theoutdoor unit)InstallerreferenceguidePreparation of theinstallation, technicalspecifications, goodpractices, referencedata,…CD/DVD in the box of theindoor unit)Addendumbook foroptionalequipmentAdditional info about howto install optionalequipmentPaper (in the box of theindoor unit)CD/DVD (in the box of theindoor unit)DANGERIndicates a situation that results in death or serious injury.DANGER: RISK OF ELECTROCUTIONIndicates a situation that could result in electrocution.DANGER: RISK OF BURNINGIndicates a situation that could result in burning because ofextreme hot or cold temperatures.WARNINGIndicates a situation that could result in death or seriousinjury.CAUTIONIndicates a situation that could result in minor or moderateinjury.NOTICEIndicates a situation that could result in equipment orproperty damage.INFORMATIONIndicates useful tips or additional information.