Daikin FTXP20L2V1B Installer's Reference Manual

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Daikin FTXP20L2V1B Installer's Reference Manual Manual pdf 18 page image

7 CommissioningInstaller reference guide18(A)(F)TXP20~35L2V1B + FTXF20~71A2V1BDaikin room air conditioner4P513661-1 – 2017.106.4.5 To connect the electrical wiring on theindoor unitElectrical work should be carried out in accordance with theinstallation manual and the national electrical wiring rules or code ofpractice.It is important to keep the power supply and the transmission wiringseparated from each other. In order to avoid any electricalinterference the distance between both wirings should ALWAYS beat least 50 mm.NOTICEBe sure to keep the power line and transmission line apartfrom each other. Transmission wiring and power supplywiring may cross, but may NOT run parallel.WARNINGProvide adequate measures to prevent that the unit can beused as a shelter by small animals. Small animals thatmake contact with electrical parts can cause malfunctions,smoke or fire.abca Terminal blockb Electrical component blockc Wire retainer1 Strip the wire ends approximately 15 mm.2 Match wire colours with terminal numbers on the indoor unitterminal blocks and firmly screw the wires to the correspondingterminals.3 Connect the earth wires to the corresponding terminals.4 Pull the wires to make sure that they are securely attached,then retain the wires with the wire retainer.5 Shape the wires so that the service lid fits securely, then closethe service lid.6 Firmly fix the wires with the terminal screws.7 Commissioning7.1 Overview: CommissioningThis chapter describes what you have to do and know tocommission the system after it is installed.Typical workflowCommissioning typically consists of the following stages:1 Checking the "Checklist before commissioning".2 Performing a test run for the system.7.2 Checklist before commissioningDo NOT operate the system before the following checks are OK:You read the complete installation instructions, asdescribed in the installer reference guide.The indoor units are properly mounted.The outdoor unit is properly mounted.Air inlet/outletCheck that the air inlet and outlet of the unit is NOTobstructed by paper sheets, cardboard, or any othermaterial.There are NO missing phases or reversed phases.The refrigerant pipes (gas and liquid) are thermallyinsulated.DrainageMake sure drainage flows smoothly.Possible consequence: Condensate water might drip.The system is properly earthed and the earth terminalsare tightened.The fuses or locally installed protection devices areinstalled according to this document, and have NOT beenbypassed.The power supply voltage matches the voltage on theidentification label of the unit.The specified wires are used for the interconnectioncable.The indoor unit receives the signals of the user interface.There are NO loose connections or damaged electricalcomponents in the switch box.The insulation resistance of the compressor is OK.There are NO damaged components or squeezedpipes on the inside of the indoor and outdoor units.There are NO refrigerant leaks.The correct pipe size is installed and the pipes areproperly insulated.The stop valves (gas and liquid) on the outdoor unit arefully open.7.3 To perform a test runPrerequisite: Power supply MUST be in the specified range.Prerequisite: Test run may be performed done 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 turning the unitOFF.7.3.1 To perform a test run in winter seasonWhen operating the air conditioner in Cooling mode in winter, set itto test run operation using the following method.