Daikin altherma ERHQ011BAV3 Installation Manual

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Daikin altherma ERHQ011BAV3 Installation Manual Manual pdf 4 page image

Installation manual1 ERHQ011~016BAV3+W1 + ERLQ011~016CAV3+W1Outdoor unit for air to water heat pump4PW57794-1C – 2013.04C ONTENTS Page1. Definitions.................................................................................. 11.1. Meaning of warnings and symbols................................................. 11.2. Meaning of used terms .................................................................. 22. Safety considerations ................................................................ 2Warning.......................................................................................... 3Caution........................................................................................... 33. Before installation ...................................................................... 43.1. Scope of the manual ...................................................................... 43.2. Precautions for R410A ................................................................... 43.3. Installation...................................................................................... 43.4. Model identification ........................................................................ 43.5. Accessories.................................................................................... 43.6. Handling......................................................................................... 54. Overview of unit......................................................................... 54.1. Opening the unit............................................................................. 54.2. Main components........................................................................... 54.3. Functional diagram ERHQ_V3+W1 ............................................... 64.4. Functional diagram ERLQ_V3+W1................................................ 85. Selecting installation site ........................................................... 95.1. General .......................................................................................... 95.2. Selecting a location in cold climates ............................................ 106. Precautions on installation....................................................... 106.1. Foundation work........................................................................... 106.2. Drain work (only for ERHQ) ......................................................... 106.3. Installation method for prevention of falling over .......................... 117. Installation servicing space ..................................................... 118. Refrigerant pipe size and allowable pipe length ...................... 128.1. Selection of piping material.......................................................... 128.2. Refrigerant pipe size .................................................................... 128.3. Allowable pipe length and height difference................................. 129. Precautions on refrigerant piping............................................. 129.1. Flaring guidelines......................................................................... 139.2. Brazing guidelines........................................................................ 139.3. Stop valve operation .................................................................... 13Cautions on handling the stop valve ............................................ 13Opening/closing the stop valve .................................................... 14Cautions on handling the stem cap.............................................. 14Cautions on handling the service port ......................................... 149.4. Tightening torques ....................................................................... 1410. Refrigerant piping .................................................................... 1410.1. Preventing foreign objects from entering ..................................... 1410.2. Precautions when connecting field piping andregarding insulation...................................................................... 1510.3. Cautions for necessity of a trap.................................................... 1511. Leak test and vacuum drying................................................... 1511.1. General guidelines ....................................................................... 1511.2. Setup............................................................................................ 1511.3. Leak test ...................................................................................... 1511.4. Vacuum drying ............................................................................. 1612. Charging refrigerant................................................................. 1612.1. Important information regarding the refrigerant used .................. 1612.2. Precautions and general guidelines ............................................. 1612.3. Calculating the additional refrigerant charge for ERHQ models .. 1712.4. Calculating the additional refrigerant charge for ERLQ models ... 1712.5. Complete recharging.................................................................... 17For ERHQ only............................................................................. 17For ERLQ only ............................................................................. 1713. Pump down operation.............................................................. 1714. Electrical wiring work............................................................... 1814.1. Precautions on electrical wiring work........................................... 1814.2. Connecting power supply and interunit wiring ............................. 1814.3. Precautions on wiring of power supply and inter-unit wiring ........ 1914.4. Electrical characteristics .............................................................. 19ERHQ models .............................................................................. 19ERLQ models............................................................................... 1915. Test operation .......................................................................... 2015.1. Pre-run checks ............................................................................. 2015.2. Test run ........................................................................................ 2015.3. Failure diagnosis at the moment of first installation ..................... 2016. Maintenance and servicing...................................................... 2016.1. Service precautions ..................................................................... 2016.2. Service mode operation ............................................................... 2117. Disposal requirements............................................................. 2118. Unit specifications.................................................................... 2118.1. Technical specifications ............................................................... 2118.2. Electrical specifications................................................................ 2119. Wiring diagram ........................................................................ 22Thank you for purchasing this product.The original instructions are written in English. All other languagesare translations of the original instructions.1. DEFINITIONS1.1. Meaning of warnings and symbolsWarnings in this manual are classified according to their severity andprobability of occurrence.Some types of danger are represented by special symbols:ERHQ011BAV3+W1 ERLQ011CAV3+W1ERHQ014BAV3+W1 ERLQ014CAV3+W1ERHQ016BAV3+W1 ERLQ016CAV3+W1Outdoor unit for air to water heat pump Installation manualCAREFULLY 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.DANGERIndicates an imminently hazardous situation which, if notavoided, will result in death or serious injury.WARNINGIndicates a potentially hazardous situation which, if notavoided, could result in death or serious injury.CAUTIONIndicates a potentially hazardous situation which, if notavoided, may result in minor or moderate injury. It may alsobe used to alert against unsafe practices.NOTICEIndicates situations that may result in equipment orproperty-damage accidents only.INFORMATIONThis symbol identifies useful tips or additional information.Electric current.Danger of burning and scalding.