1Installation ManualAIR-TO-WATER HYDROMODULE + TANKWH-ADC0309K3E5, WH-ADC0309K3E5AN, WH-ADC0309K6E5, WH-ADC0309K6E5ANCAUTIONR32REFRIGERANTThis AIR-TO-WATER HYDROMODULE + TANK contains andoperates with refrigerant R32.THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICEDBY QUALIFIED PERSONNEL.Refer to National, State, Territory and local legislation,regulations, codes, installation & operation manuals, beforethe installation, maintenance and/or service of this product.Explanation of symbols displayed on the indoor unit or outdoor unit.WARNINGThis symbol shows that this equipment usesa flammable refrigerant. If the refrigerant isleaked, together with an external ignitionsource, there is a possibility of ignition.CAUTION This symbol shows that the InstallationManual should be read carefully.CAUTION This symbol shows that a service personnelshould be handling this equipment withreference to the Installation Manual.CAUTION This symbol shows that there is informationincluded in the Operation Manual and/orInstallation Manual.Required tools for Installation Works1 Philips screw driver2 Level gauge3 Electric drill, hole core drill(ø70 mm)4 Hexagonal wrench (4 mm)5 Spanner6 Pipe cutter7 Reamer8 Knife9 Gas leak detector10 Measuring tape11 Thermometer12 Megameter13 Multimeter14 Torque wrench18 N•m (1.8 kgf•m)55 N•m (5.5 kgf•m)58.8 N•m (5.8 kgf•m)65 N•m (6.5 kgf•m)117.6 N•m (12.0 kgf•m)15 Vacuum pump16 Gauge manifold17 Hand glovesSAFETY PRECAUTIONS• Read the following “SAFETY PRECAUTIONS” carefully before installation of Air-To-Water Hydromodule + Tank (here after referred to as “Tank Unit”).• Electrical works and water installation works must be done by licensed electrician and licensed water system installer respectively. Be sure to use the correctrating and main circuit for the model to be installed.• The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below.Incorrect installation due to ignorance or negligence of the instructions will cause harm or damage, and the seriousness is classified by the following indications.• Please leave this installation manual with the unit after installation.WARNING This indication shows the possibility of causing death or serious injury.CAUTION This indication shows the possibility of causing injury or damage to properties only.The items to be followed are classifi ed by the symbols:Symbol with white background denotes item that is PROHIBITED.Symbol with dark background denotes item that must be carried out.• Carry out test run to confirm that no abnormality occurs after the installation. Then, explain to user the operation, care and maintenance as stated in instructions.Please remind the customer to keep the operating instructions for future reference.• If there is any doubt about the installation procedure or operation, always contact the authorized dealer for advice and information.WARNINGDo not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. Any unfi t method orusing incompatible material may cause product damage, burst and serious injury.Do not use unspecifi ed cord, modifi ed cord, joint cord or extension cord for power supply cord. Do not share the single outlet with other electricalappliances. Poor contact, poor insulation or over current will cause electrical shock or fi re.Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen.Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent breathing.Do not use pipe wrench to install refrigerant piping. It might deform the piping and cause the unit to malfunction.Do not purchase unauthorized electrical parts for installation, service, maintenance and etc.. They might cause electrical shock or fi re.Do not pierce or burn as the appliance is pressurized. Do not expose the appliance to heat, fl ame, sparks, or other sources of ignition.Else, it may explode and cause injury or death.WEB-ACXF60-48280-ENENGLISH