18.BRC7F632F
Contents
1. 4 OPERATION PROCEDURE Split System If the temperature or the humidity is beyond the following conditions safety devices may work and the air conditioner may not operate or sometimes water may drop from the indoor unit COOLING ec OUTDOOR INDOOR OUTDOOR UNIT TEMPERATURE HUMIDITY TEMPERATURE RZQ125 p 21 to 35 llen B Boor D 54050 hd RZQ140 W below B KTLT B 14t025 DB Dry bulb temperature WB Wet bulb temperature The setting temperature range of the remote controller is 16 C to 32 C 5 OPERATION PROCEDURE Refer to figure 1 on page 1 e Operating procedure varies with heat pump type and cooling only type Contact your Daikin dealer to confirm your system type e To protect the unit turn on the main power switch 6 hours before operation e If the main power supply is turned off during operation operation will restart automatically after the power turns back on again COOLING HEATING AUTOMATIC FAN AND PROGRAM DRY OPERATION Operate in the following order e AUTOMATIC OPERATION can be selected only by Heat pump split system or Heat recovery VRV system e For cooling only type COOLING and FAN and DRY operation are able to select FOR SYSTEMS WITHOUT COOL HEAT CHANGEOVER REMOTE CONTROL SWITCH Refer to figure 1 1 2 on page 1 1 Jes OPERATION MODE SELECTOR Press OPERATION MODE SELECTOR button several times and se2. e Fig 1 2 shows the remote controller with the front cover opened e If the air filter cleaning time indicator lamp lights up clean the air filter as explained in the operation manual provided with the indoor unit After cleaning and reinstalling the air filter press the filter sign reset button on the remote controller The air filter cleaning time indicator lamp on the receiver will go out e The Defrost Lamp will flash when the power is turned on This is not a malfunction 3 HANDLING FOR WIRELESS REMOTE CONTROLLER Precautions in handling remote controller Direct the transmitting part of the remote controller to the receiving part of the air conditioner If something blocks the transmitting and receiving path of the indoor unit and the remote controller as curtains it will not operate receiver indicates that a 2 short beeps from the H oe K the transmission is properly done Transmitting distance is approximately 7 m Do not drop or get it wet It may be damaged Never press the button of the remote controller with a hard pointed object The remote controller may be damaged Installation site e Itis possible that signals will not be received in rooms that have electronic fluorescent lighting Please consult with the salesman before buying new fluorescent lights e If the remote controller operated some other electrical apparatus move that machine away or consult your dealer Placing the re
3. hours and then 1 hour later ray DOWN the system will start NOTE e If you try cooling or programmed drying while the flaps are facing downward air flow direction may change unexpectedly There is nothing wrong with the equipment This serves to prevent dew formed on parts in the air discharge outlet from dripping e Operation mode includes automatic operation PROGRAM TIMER OPERATION Operate in the following order e The timer is operated in the following two ways Programming the stop time O The system stops operating after the set time has elapsed Programming the start time gt The system starts operating after the set time has elapsed e The timer can be programmed a maximum of 72 hours e The start and the stop time can be simultaneously programmed IMER TIMER MODE START STOP 2 De Press the TIMER MODE START STOP button several times and select the mode on the display The display flashes For setting the timer stop gt l o For setting the timer start Av PROGRAMMING TIMER UP Press the PROGRAMMING TIME button and set the time for stopping or starting the system A When this button is pressed the time advances by 1 hour V When this button is pressed the time goes DOWN J backward by 1 hour FEEN TIMER RESERVE 2 of Press the TIMER RESERVE button The timer setting procedure ends The display or changes from flashing light to a c
4. CONTROL button High or Low fan speed can be selected The microchip may sometimes control the fan speed in order to protect the unit suN AIR FLOW DIRECTION ADJUST SETS UP AND DOWN DIRECTION e The movable limit of the flap is changeable Contact your Daikin dealer for details Up and down adjustment Press the AIR FLOW DIRECTION ADJUST button to select the air direction as shown below a DISPLAY appears and the air flow direction continuously varies Automatic swing setting e Press AIR FLOW DIRECTION ADJUST button to select the air direction of your choice DISPLAY vanishes the air flow direction is fixed Fixed air flow direction setting MOVEMENT OF THE AIR FLOW FLAP For the following conditions micro computer controls the air flow direction so it may be different from the display 3P107422 11J Control System and Indoor Units Si20 501A BRC7F632F ti l CANCEL aes ion Cooling Heating 4 S TIMER CANCEL eee ee aad s Press the TIMER OFF button to cancel continuously a rogramming horizontal air flow higher than the set p ogra g ng The display vanishes direction temperature frost ti Operation etn hie For example condition h ena i avoid N When the timer is programmed tes win i dair Oon orr to stop the system after 3 hours Har as Ha and start the system after 4 ee fth hours the system will stop after cay Aani 3
5. G TIMER BUTTON and change the malfunction code Press until the indoor unit makes a long beep The malfunction code is fixed when the indoor unit makes a fe gt Q EF D D Ke Reset of the display Press OPERATION MODE SELECTOR BUTTON to get the display back to the normal state 3P107422 11J 170 Control System and Indoor Units Si20 501A BRC7F632F Ds Del Let CODE CODES Ea UNITNo y4 Lal ll INCASE BESIDES EMERGENCY STOP 1 The unit does not operate at all e Check if the receiver is exposed of sunlight or strong light Keep receiver away from light e Check if there are batteries in the remote controller Place the batteries e Check if the indoor unit number and wireless remote controller number are equal Number Number Operate the indoor unit with the remote controller of the same number Signal transmitted from a remote controller of a different number cannot be accepted If the number is not mentioned it is considered as 1 2 The system operates but it does not sufficiently cool or heat e If the set temperature is not proper e If the FAN SPEED is set to LOW SPEED e If the air flow angle is not proper Contact the place of purchase in the following case AN WARNING When you detect a burning odor shut OFF power immediately and contact the place of purchase Using the equipment in anything but proper working con
6. Si20 501A BRC7F632F 18 BRC7F632F 1 1 1 2 on orr a ON OFF s TEST re Fig 1 Fig 2 3P107422 11J Control System and Indoor Units 164 Si20 501A BRC7F632F 1 SAFETY CONSIDERATIONS Read the following cautions carefully and use your equipment properly There are three kinds of safety cautions and tips listed here as follows ZA WARNING ENEN Improper handling can lead to such serious consequences as death or severe injury A CAUTION Improper handling can lead to injury or damage It could also have serious consequences under certain conditions NOTE 5 These instructions will ensure proper use of the equipment Be sure to follow these important safety cautions Keep these warning sheets handy so that you can refer to them if needed Also if this equipment is transferred to a new user make sure to hand over this user s manual to the new user gt AN WARNING Do not expose yourself directly to the cool air currents too long nor allow the air in the room to become too cold Doing so may make you feel sick or damage your health If you detect any abnormality such as the smell of fire turn off the power and contact your dealer for instructions If you keep using the air conditioner under these conditions it will eventually break down and could caus
7. dition can result in equipment damage electric shock and or fire Trouble The RUN lamp of the indoor unit is flashing and the unit does not work at all Malfunction Code Unit No which sensed trouble on OFF UNITNo 974 INSPECTION display Remedial action Check the malfunction code A1 UF on the remote control and contact the place of purchase See page 9 3P107422 11J Control System and Indoor Units 171 BRC7F632F Si20 501A 172 Control System and Indoor Units
8. e electric shocks or catch fire Ask your dealer to install your equipment Improper installation could cause water leakage electric shocks or fire Ask your dealer to perform servicing or repairs whenever necessary Improper servicing or repairs could cause water leakage electric shocks or fire Do not stick your fingers or any other objects into the air inlet air outlet or air direction vanes during operation The high speed fan is dangerous and could cause injury Ask your dealer to remove and reinstall your equipment whenever necessary Improper installation could cause water leakage electric shocks or fire AN CAUTION Do not use the air conditioner for purposes other than air conditioning Do not use the air conditioner for special purposes such as preserving or protecting food animals plants precision machinery or works of art since the quality of such items could be adversely affected When using the air conditioner with other heating equipment ventilate the room from time to time Inadequate ventilation could cause an oxygen shortage Do not expose your pets or plants to the air current They may be adversely affected Do not operate the air conditioner with a wet hand Otherwise you could receive an electric shock Do not place any burning appliance in the air current from the air conditioner since such appliance may suffer incomplete combustion Never place nor use any inflammable sprays near the air co
9. ing capacity drops as outdoor air temperature lowers If feeling cold use another heater at the same time as this air conditioner Hot air is circulated to warm the room It will take some time from when the air conditioner is first started until the entire room becomes warm The internal fan automatically turns at low speed until the air conditioner reaches a certain temperature on the inside In this situation all you can do is wait If hot air accumulates on the ceiling and feet are left feeling cold it is recommended to use a circulator a fan for indoor circulation For details contact the place of purchase ADJUSTMENT For programming TEMPERATURE FAN SPEED and AIR FLOW DIRECTION follow the procedure shown below ad TEMPERATURE SETTING Press TEMPERATURE SETTING button and program the setting temperature Each time this button is pressed setting A temperature rises 1 C UP Each time this button is pressed setting POwWN temperature lowers 1 C In case of automatic operation Each time this button is pressed setting A temperature shifts to H side UP V Each time this button is pressed setting POWN J temperature shifts to L side C H e M e L Setting 25 23 22 at 19 temperature e The setting is impossible for fan operation NOTE e The setting temperature range of the remote controller is 16 C to 32 C wes FAN SPEED CONTROL Press FAN SPEED
10. lect the OPERATION MODE of your choice as follows m COOLING OPERATION nennen k m HEATING OPERATION eeen se m AUTOMATIC OPERATION eneen fay e In this operation mode COOL HEAT changeover is automatically conducted m FAN OPERATION eenn eneneeneenenveneen Qe m DRY OPERATION nennen eneneeneenenveneen Tq e The function of this program is to decrease the humidity in your room with the minimum temperature decrease e Micro computer automatically determines TEMPERATURE and FAN SPEED e This system does not go into operation if the room temperature is below 16 C 3P107422 11J Control System and Indoor Units 167 BRC7F632F Si20 501A ON OFF Press ON OFF button OPERATION lamp lights up or goes off and the system starts or stops OPERATION NOTE e Do not turn OFF power immediately after the unit stops Then wait no less than 5 minutes Water is leaking or there is something else wrong with the unit FOR SYSTEMS WITH COOL HEAT CHANGEOVER REMOTE CONTROL SWITCH EXPLANATION OF HEATING OPERATION DEFROST OPERATION e As the frost on the coil of an outdoor unit increase heating effect decreases and the system goes into DEFROST OPERATION e The fan operation stops and the DEFROST lamp of the indoor unit goes on After 6 to 8 minutes maximum 10 minutes of DEFROST OPERATION the system returns to HEATING OPERATION Heating capacity amp Outdoor air temperature e Heat
11. losed PROGRAMMING TIMER BUTTON 11 Use this button for programming START and or STOP time Operates with the front cover of the remote controller opened 12 TIMER MODE START STOP BUTTON Refer to page 7 13 TIMER RESERVE CANCEL BUTTON Refer to page 7 14 AIR FLOW DIRECTION ADJUST BUTTON Refer to page 6 15 OPERATION MODE SELECTOR BUTTON Press this button to select OPERATION MODE FILTER SIGN RESET BUTTON 16 Refer to the section of MAINTENANCE in the operation manual attached to the indoor unit INSPECTION TEST OPERATION BUTTON 17 This button is used only by qualified service persons for maintenance purposes EMERGENCY OPERATION SWITCH 18 This switch is readily used if the remote controller does not work RECEIVER 19 This receives the signals from the remote controller OPERATING INDICATOR LAMP Red 20 This lamp stays lit while the air conditioner runs It flashes when the unit is in trouble TIMER INDICATOR LAMP Green 21 This lamp stays lit while the timer is set AIR FILTER CLEANING TIME 22 INDICATOR LAMP Red Lights up when it is time to clean the air filter DEFROST LAMP Orange 23 Lights up when the defrosting operation has started For cooling only type this lamp does not turn on NOTE e For the sake of explanation all indications are shown on the display in Figure 1 contrary to actual running situations
12. mote controller in the remote controller holder Install the remote controller holder to a wall or a pillar with the attached screw Make sure it transmits Placing the remote controller Removing the remote controller Slide from above Pull it upward Remote controller holder 3P107422 11J 166 Control System and Indoor Units Si20 501A BRC7F632F How to put the dry cell batteries HEATING C 1 Remove the back cover of the remote OUTDOOR INDOOR OUTDOOR controller to the direction pointed by the UNIT TEMPERATURE TEMPERATURE arrow mark e RZQ125 ae e D 14to21 2 Put the batteries e RZQ140 B 15 to 27 Use two LRO3 lt IEC gt dry cell batteries KTLT Ee 15 to 15 5 Put the dry cell batteries correctly to fit their and 3 Close the cover as before When to change batteries Under normal use batteries last about a year However change them whenever the indoor unit doesn t respond or responds slowly to commands or if the display becomes dark CAUTIONS e Replace all batteries at the same time do not use new and old batteries intermixed e In case the remote controller is not used for a long time take out all batteries in order to prevent liquid leak of the battery IN THE CASE OF CENTRALIZED CONTROL SYSTEM If the indoor unit is under centralized control it is necessary to switch the remote controller s setting In this case contact your DAIKIN dealer
13. nditioner since such sprays could cause a fire 2 NAMES AND FUNCTIONS OF THE OPERATING SECTION Fig 1 2 DISPLAY A SIGNAL TRANSMISSION This lights up when a signal is being transmitted DISPLAY Qo 8 ce A 7 66 jes 53 66 3 OPERATION MODE 2 This display shows the current OPERATION MODE For cooling only type fA Auto and z Heating are not installed DISPLAY Irie SET TEMPERATURE 3 This display shows the set temperature a Lt DISPLAY no no i 4 PROGRAMMED TIME This display shows PROGRAMMED TIME of the system start or stop 5 DISPLAY AIR FLOW FLAP Refer to page 6 6 DISPLAY amp FAN SPEED The display shows the set fan speed DISPLAY lt x TEST 7 INSPECTION TEST OPERATION When the INSPECTION TEST OPERATION BUTTON is pressed the display shows the system mode is in ON OFF BUTTON 8 Press the button and the system will start Press the button again and the system will stop FAN SPEED CONTROL BUTTON 9 Press this button to select the fan speed HIGH or LOW of your choice 3P107422 11J Control System and Indoor Units 165 BRC7F632F Si20 501A TEMPERATURE SETTING BUTTON Use this button for SETTING TEMPERATURE w Operates with the front cover of the remote controller c
14. on is to warn against cold air being blown from the unit There is nothing wrong with the equipment e The outdoor unit stops Because the room temperature reaches to the set temperature The indoor unit becomes to fan operation 7 HOWTO DIAGNOSE TROUBLE SPOTS EMERGENCY STOP When the air conditioner stops in emergency the run lamp on the indoor unit starts blinking Take the following steps yourself to read the malfunction code that appears on the display Contact your dealer with this code It will help pinpoint the cause of the trouble speeding up the repair ds TEST O Press the INSPECTION TEST button to select the inspection mode 11 i a appears on display and blinks UNIT lights up DOWN PV Press PROGRAMMING TIMER BUTTON and change the unit number Press to change the unit number until the indoor unit beeps and perform the following operation according to the number of beeps Number of beeps 3 short beeps Perform all steps from 3 to 6 1 short beep Perform 8 and 6 steps 1 long beep Normal state Press OPERATION MODE SELECTOR BUTTON a Fi on the left hand of the malfunction code blinks DOWN UP V Press PROGRAMMING TIMER BUTTON and change the malfunction code Press until the indoor unit beeps twice O i m Press OPERATION MODE SELECTOR BUTTON u on the right hand of the malfunction code blinks Press PROGRAMMIN
15. onstant light RESERVE CANCEL OO TIMER NOTE e After the timer is programmed the display shows the remaining time EMERGENCY OPERATION When the remote controller does not work due to battery failure or the absence thereof use this switch which is located beside the discharge grille on the main unit When the remote controller does not work but the battery low indicator on it is not lit contact your dealer START 1 To press the emergency operation switch The machine runs in the previous mode The system operates with the previously set air flow direction STOP 2 Press the EMERGENCY OPERATION switch again PRECAUTIONS FOR GROUP CONTROL SYSTEM OR TWO REMOTE CONTROLLER CONTROL SYSTEM This system provides two other control systems beside individual control one remote controller controls one indoor unit system Confirm the following if your unit is of the following control system type 3P107422 11J Control System and Indoor Units 169 BRC7F632F Si20 501A Group control system One remote controller controls up to 16 indoor units All indoor units are equally set Two remote controller control system Two remote controllers control one indoor unit In case of group control system one group of indoor units The unit follows individual operation NOTE e Cannot have two remote controller control system with only wireless remote controllers It will be a
16. two remote controller control system having one wired and one wireless remote controllers e Under two remote controller control system wireless remote controller cannot control timer operation e Only the operating indicator lamp out of 3 other lamps on the indoor unit display functions NOTE e Contact your Daikin dealer in case of changing the combination or setting of group control and two remote controller control systems 6 NOT MALFUNCTION OF THE AIR CONDITIONER The following symptoms do not indicate air conditioner malfunction THE SYSTEM DOES NOT OPERATE e The system does not restart immediately after the ON OFF bution is pressed If the OPERATION lamp lights the system is in normal condition It does not restart immediately because a safety device operates to prevent overload of the system After 3 minutes the system will turn on again automatically e The system does not restart immediately when TEMPERATURE SETTING button is returned to the former position after pushing the button It does not restart immediately because a safety device operates to prevent overload of the system After 3 minutes the system will turn on again automatically e If the reception beep is rapidly repeated 3 times It sounds only twice when operating normally Control is set to the optional controller for centralized control e If the defrost lamp on the indoor unit s display is lit when heating is started This indicati
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18.BRC7F632F