Daikin VRV 5 RXYA8A7Y1B Installation And Operation Manual

Also see for VRV 5 RXYA10A7Y1B: Installer and user guide

6 OperationInstallation and operation manual12RYMA5+RXYA8~20A7Y1BVRV 5 heat pump4P739915-1 – 2023.126.2.4 To operate the system (WITHOUT cool/heat changeover remote control switch)1 Press the operation mode selector button on the user interfaceseveral times and select the operation mode of your choice.Cooling operationHeating operationFan only operation2 Press the ON/OFF button on the user interface.Result: The operation lamp lights up and the system startsoperating.6.2.5 To operate the system (WITH cool/heatchangeover remote control switch)Overview of the changeover remote control switchaba FAN ONLY/AIR CONDITIONINGSELECTOR SWITCHSet the switch to for fan onlyoperation or to for heating orcooling operation.b COOL/HEAT CHANGEOVER SWITCHSet the switch to for cooling or tofor heatingNote: In case a cool/heat changeover remote control switch is used,the position of DIP switch 1 (DS1-1) on the main PCB needs to beswitched to the ON position.To start1 Select operation mode with the cool/heat changeover switch asfollows:Cooling operation Heating operation Fan only operation111111112 Press the ON/OFF button on the user interface.Result: The operation lamp lights up and the system startsoperating.To stop3 Press the ON/OFF button on the user interface once again.Result: The operation lamp goes out and the system stopsoperating.NOTICEDo not turn off power immediately after the unit stops, butwait for at least 5 minutes.To adjustFor programming temperature, fan speed and air flow direction referto the operation manual of the user interface.6.3 Using the dry program6.3.1 About the dry program▪ The function of this program is to decrease the humidity in yourroom with minimal temperature decrease (minimal room cooling).▪ The micro computer automatically determines temperature andfan speed (cannot be set by the user interface).▪ The system does not go into operation if the room temperature islow (<20°C).6.3.2 To use the dry program (WITHOUT cool/heat changeover remote control switch)To start1 Press the operation mode selector button on the user interfaceseveral times and select (program dry operation).2 Press the ON/OFF button of the user interface.Result: The operation lamp lights up and the system startsoperating.3 Press the air flow direction adjust button (only for double-flow,multi-flow, corner, ceiling-suspended and wall-mounted). Referto "6.4 Adjusting the air flow direction" [413] for details.To stop4 Press the ON/OFF button on the user interface once again.Result: The operation lamp goes out and the system stopsoperating.NOTICEDo not turn off power immediately after the unit stops, butwait for at least 5 minutes.6.3.3 To use the dry program (WITH cool/heatchangeover remote control switch)To start1 Select cooling operation mode with the cool/heat changeoverremote control switch.112 Press the operation mode selector button on the user interfaceseveral times and select (program dry operation).3 Press the ON/OFF button of the user interface.Result: The operation lamp lights up and the system startsoperating.4 Press the air flow direction adjust button (only for double-flow,multi-flow, corner, ceiling-suspended and wall-mounted). Referto "6.4 Adjusting the air flow direction" [413] for details.