Daikin vrv III -Q Series Operation Manual

Contents

Daikin vrv III -Q Series Operation Manual Manual pdf 15 page image

English 118. SEASONAL MAINTENANCECAUTIONDo not touch the air inlets or aluminum finsof the outdoor or indoor units.Touching them may result in injury.Do not wash the outdoor or indoor units withwater.An electric shock or fire may result.Watch your steps at the time of air filtercleaning etc.If the scaffold is unstable, you may fall or toppledown, thus causing injury.Be sure to stop the operation, and turn thebreaker off before cleaning.This may cause electric shock and injury.Consult with the dealer for cleaning the inte-rior of the indoor units.Incorrect cleaning may damage the plastic partsand cause failures, such as water leakage, and anelectric shock may result.8-1 AT THE BEGINNING OF THE SEASONCheck• Are the indoor and outdoor unit intake and outletvents blocked?Remove anything that might be blocking them.Clean the air filter and exterior.• After cleaning the air filter, be sure to put it back inthe same position.See the operation manual included with theindoor unit for details on how to clean it.Turn the power on.• When the power comes on, the characters in theremote controller display appear.(To protect the unit, turn the power on at least 6hours before operating it. This makes operationsmoother.)8-2 AT THE END OF THE SEASONOn a clear day, use fan operation for around half aday to thoroughly dry out the interior of the unit.• Refer to page 6 for details on fan operation.Turn off the power• When the power is shut off, the characters in theremote controller display disappear.• When the power is on, the unit consumes up toseveral dozen Watts of power.Turn off the power to conserve energy.Clean the air filter and exterior.• After cleaning the air filter, be sure to put it back inthe same position.See the operation manual included with theindoor unit for details on how to clean it.9. FOLLOWING SYMPTOMS ARENOT AIR CONDITIONER TROU-BLES9-1 THE SYSTEM DOES NOT OPERATE• The air conditioner does not start immediatelywhen restart the operation after stop the oper-ation or change operation mode after set theoperation mode.If the operation lamp lights, the system is in nor-mal condition.To prevent overloading of the compressor motor,the air conditioner starts 5 minutes after it isturned ON again in case it was turned OFF justbefore.• If “Centralized Control” is displayed on theremote controller and pressing the operationbutton causes the display to blink for a fewseconds.This indicates that the central device is controllingthe unit.The blinking display indicates that the remotecontrol cannot be used.• The system does not start immediately afterthe power supply is turned on.Wait one minute until the micro computer is pre-pared for operation.9-2 IT STOPS SOMETIMES• The remote controller display reads “U4” or“U5” and stops but then restarts after a fewminutes.This is because the remote control is interceptingnoise from electrical appliances other than the airconditioner, and this prevents communicationbetween the units, causing them to stop.Operation automatically restarts when the noisegoes away.9-3 COOL/HEAT CANNOT BE CHANGEDOVER• When the display shows “ ”(changeover under control).It shows that this is a slave remote controller.Refer to “Setting the master remote controller”.• When the cool/heat selector switch isinstalled and the display shows “ ”(changeover under control).This is because cool/heat changeover is con-trolled by the cool/heat selector. Ask your Daikindealer where the remote control switch isinstalled.