Daikin RWEYQ8T9Y1B Installation And Operation Manual

Also see for RWEYQ10T9Y1B: Installer and user guide Installer and user reference guide Installation and operation manual

Contents

6 ConfigurationInstallation and operation manual24RWEYQ8~14T9V1B+RWEYQ8~14T9Y1BVRV IV water-cooled system air conditioner4P452190-1A – 2017.046.1.3 To access the field setting componentsIt is not required to open the complete electronic component box toaccess the push buttons on the PCB and read out the 7‑segmentdisplay(s).To access you can remove the front inspection cover of the frontplate (see figure). Now you can open the inspection cover of theelectrical component box front plate (see figure). You can see thethree push buttons and the three 7‑segment displays and DIPswitches.abca Switch box coverb Main PCB with 3 7‑segment displays and 3 push buttonsc Access coverOperate the switches and push buttons with an insulated stick (suchas a closed ball-point pen) to avoid touching of live parts.Make sure to re-attach the inspection cover into the electroniccomponent box cover and to close the front plate's inspection coverafter the job is finished. During operation of the unit the front plate ofthe unit should be attached. Settings are still possible to be madethrough the inspection opening.NOTICEMake sure that all outside panels, except for the servicecover on the electrical component box, are closed whileworking.Close the lid of the electrical component box firmly beforeturning on the power.6.1.4 To access mode 1 or 2Initialisation: default situationNOTICEBe sure to turn on the power 6 hours before operation inorder to have power running to the crankcase heater andto protect the compressor.Turn on the power supply of the outdoor unit and all indoor units.When the communication between indoor units and outdoor unit(s) isestablished and normal, the 7‑segment display indication state willbe as below (default situation when shipped from factory).Stage DisplayWhen turning on the power supply: flashing asindicated. First checks on power supply areexecuted (1~2 min).When no trouble occurs: lighted as indicated(8~10 min).Ready for operation: blank display indication asindicated.7‑segment display indications:OffBlinkingOnWhen above situation cannot be confirmed after 12 min, themalfunction code can be checked on the indoor unit user interfaceand the outdoor unit 7‑segment display. Solve the malfunction codeaccordingly. The communication wiring should be checked at first.AccessBS1 is used to change the mode you want to access.Access ActionMode 1 Push BS1 one time.7‑segment display indication changes to:Mode 2 Push BS1 for at least 5 seconds.7‑segment display indication changes to:INFORMATIONIf you get confused in the middle of the process, push BS1.Then it returns to idle situation (no indication on 7‑segmentdisplays: blank, refer to "6.1.4 To access mode 1 or 2" onpage 24.6.1.5 To use mode 1Mode 1 is used to set basic settings and to monitor the status of theunit.What HowChanging and accessingthe setting in mode 1Once mode 1 is selected (push BS1one time), you can select the wantedsetting. It is done by pushing BS2.Accessing the selected setting's value isdone by pushing BS3 one time.To quit and return to theinitial statusPress BS1.6.1.6 To use mode 2The master unit should be used to input field settings inmode 2.Mode 2 is used to set field settings of the outdoor unit and system.What HowChanging and accessingthe setting in mode 2Once mode 2 is selected (push BS1 formore than 5 seconds), you can selectthe wanted setting. It is done by pushingBS2.Accessing the selected setting's value isdone by pushing BS3 1 time.To quit and return to theinitial statusPress BS1.