Daikin VRV IV HXHD125AV1B Operation Manual

HXHD125AV1B + HXHD200AY1BVRV IV system indoor unit4P513553-1 – 2017.11Operation manual45. OPERATION OF THE UNITThe remote controller offers full control over your installation. It cancontrol all heating applications which vary in capacity, electricalsupply and installed equipment (options). Operating the unit comesdown to operating the remote controller.5.1. Remote controller buttons and icons1. ON/OFF BUTTONThe ON/OFF button starts or stops the space heating/cooling.Pressing the ON/OFF button consecutively too many times maycause malfunction of the system (maximum 20 times per hour).2. OPERATION LEDThe operation LED is lit during space heating/cooling operation.The LED blinks if a malfunction occurs. When the LED is OFF,space heating/cooling is inactive while an other operation modecan still be active.3. OPERATION MODE ICONS , ,These icons indicate the current operation mode(s): spaceheating ( ), domestic water heating ( ) or quiet mode ( ).Within limits, different modes can be combined, e.g. spaceheating and domestic water heating. The corresponding modeicons will be displayed simultaneously.If the domestic hot water tank is not installed, the icon willnever be displayed.4. EXTERNAL CONTROL ICONThis icon indicates that the outdoor unit is working in a forcedoperation. As long as this icon is displayed, the remote controllercannot be operated.5. DAY OF THE WEEK INDICATORThis indicator shows the current day of the week.When reading or programming the schedule timer, the indicatorshows the set day.6. CLOCK DISPLAYThe clock display shows the current time.When reading or programming the schedule timer, the clockdisplay shows the action time.7. SCHEDULE TIMER ICONThis icon indicates that the schedule timer is enabled.8. ACTION ICONSThese icons indicate the programming actions for each day ofthe schedule timer.9. OFF ICONThis icon indicates that the OFF action is selected whenprogramming the schedule timer.10. INSPECTION REQUIRED andThese icons indicate that inspection is required on theinstallation. Consult your dealer.11. TEMPERATURE DISPLAYThe display shows the current temperature of the installationeither leaving water set point temperature or actual roomtemperature.When changing the room temperature set point, the set point willbe flashing for 5 seconds and then return to the actual roomtemperature.12. SETTINGWhen you enter field setting in the field setting mode, this will beindicated. See "5.11. Operating the optional remote controller"on page 17.13. NOT AVAILABLEThis icon is displayed whenever a non-installed option isaddressed or a function is not available. A function not availablecan mean insufficient permission level or can mean that a slaveremote controller is used (see installation manual).INFORMATIONIt is advised to use the remote controller, which includesroom thermostat function, delivered with the unit.This will prevent excessive space heating and will stop theoutdoor and indoor unit when the room temperature isabove the thermostat set point. Based on the request fromthe user there is an immediate feedback to the compressorcontrol which optimizes the performance.Refer to the typical application examples in the indoorinstallation manual for more details.WARNING Never let the remote controller get wet. This maycause an electric shock or fire. Never press the buttons of the remote controller with ahard, pointed object. This may damage the remotecontroller. Never inspect or service the remote controlleryourself, ask a qualified service person to do this. Do not rinse the indoor unit. This may cause electricshock or fire. Do not climb, sit or stand on top of the unit. Do not place any objects or equipment on the unit topplate.INFORMATIONRemark that pushing the button has no influenceon the domestic water heating. Domestic waterheating is only switched on or off by means of thebutton and/or disabling the storage schedule timer.135 6 22813322311 1719 1447912102031242521 18302928262721615Master SlavePermissionlevel 2 level 3Operation ON/OFF ✔ ✔ ✔ ✔Domestic water heating operation ON/OFF ✔ ✔ ✔ ✔Setting the leaving water temperature ✔ ✔ ✔ —Setting the room temperature ✔ ✔ ✔ ✔Quiet mode ON/OFF ✔ ✔ — —Weather dependent set point operationON/OFF ✔ ✔ ✔ —Setting the clock ✔ ✔ — —Programming the schedule timer ✔ — — —Schedule timer operation ON/OFF ✔ — ✔ ✔Field settings ✔ — — —Error code display ✔ ✔ ✔ ✔Test operation ✔ ✔ — —✔ = operable