SiE71-202 OperationOperation 131.3 Operating The HRV Unit Using The Remote Controller of The VRV-System AirConditionerRemote Controllerfor VRVBRC1C51·611. Operation lamp2. Operation/stop button3. Air flow rate changeover button4. Ventilation mode changeover button5. Indication of air flow rate6. Indication of operation control method7. Indication of centralized control8. indication of air filter cleaning9. Filter signal reset button10. Inspection button11. Push the button “ ” and select either one of “ ” or “ ”.Each time the button is pushed, the indication changes as shown below.12. Push the button “ ” and set the time.Each time when “ ” is pushed, the time advances one hour.Each time when “ ” is pushed, the time goes back one hour.13. Push the button “ ”Then, the reservation is finished.Either “ ” or “ ” changes from flashing to lighting.After the reservation is finished, the remaining time is indicated in the display.For cancelling the timer operation, push the button “ ” once again.The indication disappears.14. If you press these buttons when using independent operation of the HRV unit, the message “NotAvailable” will appear on the display for a few seconds. When the VRV-system air conditioner is connected with the HRV unit with a direct duct, the remotecontroller of the air conditioner cannot be used to select the VENTILATION mode. To use the HRV unitwithout operating the air conditioner, set the air conditioner in the FAN VENTILATION mode and selectthe low fan speed.“No indication”