Daikin R32 split Series Installation Manual

Also see for ARXTP25N2V1B: Installer's reference guide Installation manual Installation manual

Contents

Daikin R32 split Series Installation Manual Manual pdf 12 page image

6 TroubleshootingInstallation manual12RXTM30+40N2V1B + RXTP25+35N2V1B9 + ARXTP25+35N2V1B +RXTA30N2V1BR32 split series3P482320-10M – 2019.045.1 Checklist before commissioningAfter the installation of the unit, first check the following items. Onceall below checks are fulfilled, the unit MUST be closed, ONLY thencan the unit be powered up.The indoor unit is properly mounted.The outdoor unit is properly mounted.The system is properly earthed and the earth terminalsare tightened.The power supply voltage matches the voltage on theidentification label of the unit.There are NO loose connections or damaged electricalcomponents in the switch box.There are NO damaged components or squeezedpipes on the inside of the indoor and outdoor units.There are NO refrigerant leaks.The refrigerant pipes (gas and liquid) are thermallyinsulated.The correct pipe size is installed and the pipes areproperly insulated.The stop valves (gas and liquid) on the outdoor unit arefully open.The following field wiring has been carried out accordingto this document and the applicable legislation betweenthe outdoor unit and the indoor unit.DrainageMake sure drainage flows smoothly.Possible consequence: Condensate water might drip.The indoor unit receives the signals of the user interface.The specified wires are used for the interconnectioncable.The fuses, circuit breakers, or locally installed protectiondevices are installed according to this document, andhave NOT been bypassed.5.2 Checklist during commissioningTo perform an air purge.To perform a test run.5.3 To perform a test runPrerequisite: Power supply MUST be in the specified range.Prerequisite: Test run may be performed in cooling or heatingmode.Prerequisite: Test run should be performed in accordance with theoperation manual of the indoor unit to make sure that all functionsand parts are working properly.1 In cooling mode, select the lowest programmable temperature.In heating mode, select the highest programmable temperature.Test run can be disabled if necessary.2 When the test run is finished, set the temperature to a normallevel. In cooling mode: 26~28°C, in heating mode: 20~24°C.3 The system stops operating 3 minutes after the unit is turnedOFF.INFORMATION▪ Even if the unit is turned OFF, it consumes electricity.▪ When the power turns back on after a power break, thepreviously selected mode will be resumed.6 Troubleshooting6.1 Fault diagnosis using LED onoutdoor unit PCBLED is… Diagnosisflashing Normal.▪ Check the indoor unit.ON ▪ Turn the power OFF and back ON, andcheck the LED within approximately 3minutes.If the LED is ON again, the outdoor unitPCB is faulty.OFF 1 Supply voltage (for power saving).2 Power supply fault.3 Turn the power OFF and back ON, andcheck the LED within approximately 3minutes.If the LED is OFF again, the outdoor unitPCB is faulty.DANGER: RISK OF ELECTROCUTION▪ When the unit is not operating, the LEDs on the PCBare turned off in order to save power.▪ Even when the LEDs are off, the terminal block and thePCB may be powered.7 DisposalNOTICEDo NOT try to dismantle the system yourself: dismantlingof the system, treatment of the refrigerant, oil and otherparts MUST comply with applicable legislation. UnitsMUST be treated at a specialised treatment facility forreuse, recycling and recovery.8 Technical data▪ A subset of the latest technical data is available on the regionalDaikin website (publicly accessible).▪ The full set of latest technical data is available on the Daikinextranet (authentication required).8.1 Wiring diagram8.1.1 Unified wiring diagram legendFor applied parts and numbering, refer to the wiring diagram on theunit. Part numbering is by Arabic numbers in ascending order foreach part and is represented in the overview below symbol "*" in thepart code.Symbol Meaning Symbol MeaningCircuit breaker Protective earth