Daikin FNA35A2VEB Operation Manual

Also see for FNA25A2VEB: Installation manual Installer's reference guide Installer's reference guide

Contents

8 DisposalOperation manual8FNA25~60A2VEBSplit system air conditioners4P456953-1 – 2017.06the user interface and the actual operation is different from theuser interface setting. For multi-split models, the microcomputerexecutes the following control depending on the operation modeof other indoor units.▪ The fan speed is different from the setting. Pressing the fan speedcontrol button does not change the fan speed. When the roomtemperature reaches the set temperature in heating mode or theunit’s maximum capacity is reached, the outdoor unit will stopoperation and the indoor unit will operate in fan only mode (lowfan speed). In case of multi-split, the indoor unit alternatelyoperates in fan stop mode and fan only mode (LL= low fanspeed). This is to prevent the cool air from being blown directlyonto anyone present in the room.7.1.2 Symptom: White mist comes out of a unit(Indoor unit)▪ When humidity is high during cooling operation (in oily and dustyplaces). If the interior of an indoor unit is extremely contaminated,the temperature distribution inside a room becomes uneven. It isnecessary to clean the interior of the indoor unit. Ask your dealerfor details on cleaning the unit. This operation requires a qualifiedservice person.▪ When the air conditioner is changed over to heating operationafter defrost operation. Moisture generated by defrost becomessteam and exits.7.1.3 Symptom: Dust comes out of the unitWhen the unit is used for the first time in a long time. This isbecause dust has gotten into the unit.7.1.4 Symptom: The units can give off odoursThe unit can absorb the smell of rooms, furniture, cigarettes, etc.,and then emit it again.7.1.5 Symptom: The operation stoppedsuddenly (Operation lamp is on)The air conditioner may stop for system protection due to largevoltage fluctuation. It automatically resumes operation after about 3minutes.7.1.6 Symptom: The outdoor fan rotates whilethe air conditioner is not in operation▪ After operation has stopped. The outdoor fan continues torotate for another 30 seconds for system protection.▪ While the air conditioner is not in operation. When the outdoortemperature is very high, the outdoor fan starts to rotate forsystem protection.7.1.7 Symptom: The heating operation stopssuddenly and a flowing sound is heardThe system is removing frost on the outdoor unit. You should wait forabout 3 to 8 minutes.8 DisposalThis unit uses hydrofluorocarbon. Contact your dealer whendiscarding this unit.NOTICEDo not try to dismantle the system yourself: the dismantlingof the system, treatment of the refrigerant, oil and otherparts must comply with applicable legislation. Units mustbe treated at a specialised treatment facility for reuse,recycling and recovery.