Daikin FUQ71CVEB Operation Manual

Also see for FUQ100CVEB: Service manual Service manual Operation manual Installation manual

Contents

Daikin FUQ71CVEB Operation Manual Manual pdf 9 page image

English 6• Are you sure that there are no obstacles nearthe air outlet of the outdoor unit?Such obstacles may result in declined perfor-mance and increased running noises.• If abnormal noises occur in use, stop theoperation of the air conditioner, consult yourlocal dealer.Regarding drainage of drain piping• Is the drain piping carried out properly toensure complete drainage?If drain piping is not carried out properly, dirt anddebris may be accumulated in the drain pipingand cause water leakage. If it occurs, stop the airconditioner and consult with your local dealer forassistance.• Operating procedure varies with heat pump typeand cooling only type. Contact your local dealer toconfirm your system type.• To protect the air conditioner, turn on the mainpower switch 6 hours before operation.• Do not shut off the power supply during seasonaluse of the air conditioner.This is required in order to activate the air condi-tioner smoothly.• If the main power supply is turned off during oper-ation, operation will restart automatically after thepower turns back on again.5-1. FUQRead the operation manual attached to theremote controller.5-2. FXUQRead the operation manual attached to the out-door unit and remote controller. CHARACTERISTICS OF THE COOLINGOPERATION (COOLING OPERATION ANDAUTOMATIC COOLING OPERATION)• If the COOLING OPERATION is used when theindoor temperature is low, frost adheres to theheat exchanger of the indoor unit.This can decrease the cooling capacity.In this case, the air conditioner automaticallyswitches to the DEFROST OPERATION for awhile.5. OPERATION PROCEDURE6. OPERATION CHARACTERIS-TICSDuring the DEFROST OPERATION, the low fanspeed or a gentle wind is used to prevent the dis-charge of melt water.(The remote controller displays the fan speed thatis set.)• When the outdoor temperature is high, it takessome time until the indoor temperature reachesthe set temperature. CHARACTERISTICS OF THE HEATINGOPERATION (HEATING OPERATION ANDAUTOMATIC HEATING OPERATION)START OF OPERATION• It generally takes a longer time for indoor temper-ature of the HEATING OPERATION to reach theset temperature compared to the COOLINGOPERATION.It is advisable to start operation in advance usingthe TIMER OPERATION.Perform the following operation to prevent heat-ing capacity decrease and discharge of cool air.AT THE START OF OPERATION AND AFTERTHE DEFROST OPERATION• A warm air circulating system is employed, andtherefore it takes some time until the entire roomis warmed up after the start of operation.• The indoor fan runs to discharge a gentle windautomatically until the temperature inside the airconditioner reaches a certain level. At this time,the remote controller displays “ ”. Leave it asit stands and wait for a while.(The remote controller displays the fan speed thatis set.)• The airflow direction becomes horizontal to pre-vent a draft of cool air to the inhabitants. (Theremote controller displays the set airflow directionthat is set.)DEFROST OPERATION(Frost removal operation for the outdoorunit)• As the frost on the coil of an outdoor unit increase,heating effect decreases and the air conditionergoes into the DEFROST OPERATION.• The indoor unit fan stops and the remote control-ler display shows “ ”.With the wireless remote controller, the warm airstops, and the DEFROST OPERATION lamp onthe light receiving unit turn on.(The remote controller displays the fan speed thatis set.)• After maximum 10 minutes of the DEFROSTOPERATION, the air conditioner returns to theHEATING OPERATION.