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TECHNICAL& SERVICE MANUAL SPLIT SYSTEM AIR

1. 58 5 Center of tubing Narrow tube 26 35 1 4 hole 2 places 177 8 Remote control unit 172 5 18 5 i Wide tube 29 52 3 8 AWR508 AWR509 Wide tube 212 7 1 2 AWR512 Unit mm Outdoor Unit AERB08SCLA AER509SCLA AER512SCLA 4 g12 holes 470 116 Air intake k LZ 294 320 Wide tube service valve 09 52 3 8 AER508 AER509 912 7 1 2 AER512 Narrow tube service valve Lo Air discharge 26 35 1 43 Xu Unit mm 20 4 REFRIGERANT FLOW DIAGRAM Indoor Unit Indoor Unit AWR508CL AWR509CL Outdoor Unit AER508SCLA AFR509CL AER509SCLA Indoor Unit Outdoor Unit Wide tube I service Compressor Wide tube valve Muffler Accumulator i C 3 C O D 69 52 mm 3 8 E 3 c S S ii Narrow tube Service Narrow tube valve Capillary tube us _ Dk w z O D 26 35 mm 1 4 AWR512CL Outdoor Unit AER512SCLA FCR512CL Indoor Unit Outdoor Unit Wide tube service Compressor Wide tube valve Muffler Accumulator O D 12 7 mm Evaporator 1 2 Narrow tube Narrow tube service valve Cap
2. 12 1 Operation ch 12 2 Adjusting the Fan Speed 13 3 Night Setback Mode sss enne 14 Special Remarks anssen vereerde iieri aie nap ua en 15 Seting the TIME a a aen 16 Using the 1 Hour OFF Timer sseseeeeeeee enne eene nennen nnne 18 Adjusting the Airflow Direction nanne enne 19 Operation without the Remote Control Unit 20 Care arid Cleaning sii ia ente Cn aie e Le eer apt 20 Troubl shootltig eee pret ere e eiue 23 Tips for Energy Saving coiere nenne un 23 Product Information If you have problems or questions concerning your Air Conditioner you will need the following information Model and serial numbers are on the nameplate on the bottom of the cabinet Model No Serial No Date of purchase Dealer s address Phone number DECLARATION OF CONFORMITY This product is marked as it satisfies EEC Directive No 89 336 EEC 73 23 EEC 93 68 EEC and 92 31 EEC This declaration will become void in case of mis usage and or from non observance though partial of Manufacturer s installation and or operating instructions OI 859 03EG Alert Symbols The following symbols used in this manual alert you
3. Q e The illustration above pictures the remote control unit after the cover has been lowered and removed When you press the buttons on the remote control unit the appears in the display to transmit the setting changes to the receiver in the air conditioner Pull off the cover to expose the batteries ZA mark Sensor A temperature sensor inside the remote control unit senses the room temperature Display Information on the operating conditions is displayed while the remote control unit is switched on If the unit is turned off only the mode that was set previously is still displayed NIGHT SETBACK button For details see Night Setback Mode When you press this button in the COOL mode the mark appears in the display and the remote control unit will automatically adjust the set temperature to save energy TEMP setting buttons Press the 2 button to increase the set temperature Press the button to reduce the set temperature ON OFF operation button This button is for turning the air conditioner on and off Timer setting buttons First press the PROGRAM button to select the mode you want Each time you press the HH button the hours advance by one Each time you press the MM button the minutes advance by one PROGRAM button For details see Setting the Timer Press this button to select the mode you want to program O1
4. NIGHT OFF ON C cock SETBAC Olola dua FLAP HH TIMER Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while operation The mark appears in the display To release the night setback function press the NIGHT SETBACK button again In Cooling and DRY Mode and When the night setback mode is selected the air conditioner automatically raises the temperature setting 1 C when 30 minutes have passed after the selection was made and then another 1 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed Setting temperature 30 min 30 min NIGHT SETBACK Time Press the button 14 OI 859 14EG Special Remarks DRY Operation How it works Once the room temperature reaches the level that was set the unit repeats the cycle of turning on and off automatically During DRY operation the fan speed is automatically set to LOW VERY LOW the fan speed then switches back and forth between LOW for 20 seconds and VERY LOW for 10 seconds DRY operation is not possible if the indoor temperature is 15 C or less n the event of power failure the unit will stop When the power is Power failure yis
5. 36 and or cleaning any electrical parts Indoor Unit FCR512CL To avoid electrical shock hazard be sure to disconnect power before checking servicing THERMISTOR TRANSFORMER 37 To avoid electrical shock hazard be sure to disconnect power before checking servicing Outdoor Unit AR WARNING and or cleaning any electrical parts 3 3159 121 0 ELECTRIC WIRING DIAGRAM Outdoor Unit AER512SCLA 37 3159 122 0 ELECTRIC WIRING DIAGRAM GRN YEL FAN MOTOR BRN 38 7 INSTALLATION INSTRUCTIONS 7 1 Installation Site Selection 7 7 co 4 Z A5 om 15 cm min 15cm min min To prevent abnormal heat y INDOOR UNIT generation and the possibility of fire don t place obstacles 7 H A enclosures and grills in front Front View of or surrounding the air Fig 1 conditioner in a way that may block air flow AVOID 9 direct sunlight nearby heat sources that may affect performance of the unit INDOOR Tubing length L UNIT 6 areas where leakage of flammable gas may be expected places where large amounts of oil mist exist Elevation OUTDOOR difference H UNIT DO select an appropriate position from which every corner of the room can be uniformly air conditioned Fig 2a High on a wall is best select a location that will hold the weight of the unit select a location where tub
6. 3 minutes 3 minutes minutes 3 minutes 3 minutes minutes 3 minutes Thermo Thermo Thermo Thermo Thermo Thermo OFF ON OFF ON ON ON gt he ANNE More than 5 minutes Thermo T 1 C settemp T G 5 minutes 3 minutes Room temp Set speed Compressor z 2 T 2 Outdoor fan Indoor fan 6 The control circuit will not attempt to turn the compressor ON until the compressor has been OFF for at least 3 minutes To protect the compressor from stalling out when trying to start against the high side refrigerant pressure the control circuit has a built in automatic time delay to allow the internal pressure to equalize 6 As a protective measure the control circuit switches the compressor OFF after 5 minutes or more of compressor operation Thermo When the room temperature is above T 1 C T C is set temperature Compressor ON Thermo OFF When the room temperature is equal to or below set temperature T C Compressor OFF 43 8 2 Dry Operation Dehumidification Dry operation uses the ability of the cooling cycle to remove moisture from the air but by running at low level to dehumidify without greatly reducing the room temperature The air conditioner repeats the cycle of turning ON and OFF automatically as shown in the chart below according to the room temperature Room temp Cooling operat
7. The above tools specifically for R407C must not be used for R22 Doing so will N CAUTION cause malfunction of the unit For the above vacuum pump 3 1 2 and vacuum pump adapter 3 9 those for R22 type units can be used for R407C type However they must be used exclusively for R407C and never alternately with R22 9 4 For tubing installation procedures When the tubes are connected always apply HAB oil on the flare portions to improve the sealing of tubing The following is the HAB oil generally used Esso ZERICE S32 NOTE For details on tubing installation procedures refer to the installation manuals attached to the indoor unit and outdoor unit 48 9 5 In case of compressor malfunction Should the compressor malfunction be sure to replace compressor as quickly as CAUTION possible 6 Use only the tools indicated exclusively for R407C See 10 3 Tools specifically for R407C 9 5 1 Procedure for replacing compressor 1 Recovering refrigerant Any remaining refrigerant inside the unit should not be released to the atmosphere but recovered using the refrigerant recovery unit for R407C OK 1 Recovering refrigerant Do not reuse the recovered refrigerant since will contain impurities 2 Replacing compressor 2 Replacing compressor Soon after removing pinched pipes of both discharge and suction tubes of the new compressor replace it quickly OK 9 Checking for
8. When the humidity is high the vertical vanes should be in the front position during the cooling or dehumidifying operation If the vertical vanes are positioned all of the way to the right or left condensation may begin to form around the air vent and drip down The vertical airflow can be adjusted by moving the flap with the remote control unit Do not move the flap with your hands Confirm that the remote control unit has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings L oooo J NIGHT Clock SETBACK CH CO HH TIMER 6 7 FANSPEED MM SELECT VV YV Ze ES TO ALS eso 8 SELECT TIME SET sensor and D D DRY A Sweep function B Setting the Airflow Manually _ The flap starts moving up and down to Referring to the above illustration use 71 deliver air over the sweep range the FLAP button to set the airflow direction within the range used during the cooling or dehumidifying operation The flap automatically closes when the unit is off Use the FLAP button on the remote control to adjust the position of the flap If you move the flap by hand the flap position according to the remote control and the actual flap position may no longer match If this should happen shut off the unit wait for the flap to close and then turn on the unit again the flap position will now be normal again Do not have the flap pointed down
9. 00 00 pho s Packed the indoor unit e Packed in the indoor unit Mounting on a wall A Removable mounting 1 Momentarily hold the remote control unit at the desired mounting position 2 Confirm that the air conditioner responds correctly when you press keys on the remote control from that position 3 After confirming correct operation use a screwdriver to screw the mounting screw into the wall 4 Hang the remote control unit from the mounting screw B Non removable mounting 1 Momentarily hold the remote control unit at the desired mounting position 2 Confirm that the air conditioner responds correctly when you press keys on the remote control from that position 3 After confirming correct operation use a screwdriver to screw the mounting screw into the wall 4 Remove the batteries of the remote control unit 5 Use a screwdriver to screw the remote control unit securing screw into the wall through the hole in the battery compartment 6 Replace the batteries 7 Again confirm that the remote control unit operates correctly O1 859 11EG 11 12 1 Operation Operation with the Remote Control Unit STEP 1 STEP 5 STEP 4 AIR CONDITIONER TIMER Y TEMP ON O 09 09 STEP 3 ON l OFF O oooo 3 STEP 2 lt NIGHT mone C tock SETBACK cy CO OO
10. Fig 3 Fig 4 Connectors Fig 5 12 4 Removing Flap Motor 1 Remove the 3 screws used to mount the top panel Fig 6 2 While unlatching the 2 tabs inside the back of the top panel lift the top panel diagonally in the direction of the arrow Fig 6 3 Remove the 2 screws to pull off the flap motor The arm and cam come off together with the motor Fig 7 Bios motor Fig 6 12 5 Removing Evaporator Fig 7 zIndoor Heat Exchange Coil 1 Remove the 7 screws used to mount the blades Fig 8 Blades OD 2 Lift the blades in the direction of the arrow Fig 8 ZZ Fig 8 67 8 Remove the 6 screws the front panel and pull it toward you Fig 9 4 Remove the 2 screws used to mount the evaporator Fig 10 5 Remove the rubber cap to pull the thermistor out of the evaporator Fig 10 6 Cut the plastic clamp securing the drain hose to the front fan casing Fig 10 7 The evaporator is built into the drain pan Pull out the drain pan together with the evaporator in the direction of the arrow Fig 10 IMPORTANT The foamed polystyrene drain pan is fragile DO NOT apply excessive force when removing it 8 The evaporator can be removed by sliding it out from the drain pan in the direction of the arrow Fig 11 Front panel Fig 9 Rubber cap Thermistor Drain pan Front fan casing Drain hose Plastic clamp Fig 10
11. Power is being supplied to the indoor unit B Check OPERATION selector switch in the indoor unit OPERATION selector switch is set YES y Replace with suitable one larger capacity Circuit breaker is tripped gt Reset breaker Wait for recovery Power failure or contact power company in ON position NO Set OPERATION selector switch to ON C Check transformer in indoor unit Measure resistance of primary and secondary winding TR1 56 gt Indoor PCB Ass y is defective D Check remote control unit Try to run with another remote control unit First remote control unit is defective Check for residue buildup on transmitter of remote control unit Check for residue buildup on remote control receiver on front of indoor unit E Check fuse on the indoor PCB Ass y Check fuse on indoor PCB Ass y If fuse has been blown gt Clean transmitter gt Clean receiver for continuity F Check operation lamp to see if light is ON Light is OFF Measure resistance of primary and secondary winding of transformer TR Indoor PCB Ass y is defective F Check TIMER on the remote control unit Timer is turned ON Check to see YES Measure resista
12. resumed the unit will restart automatically after three minutes during operation Clicking Sound Clicking sound is n cooling operation any plastic parts may expand or shrink due to a heard from the air sudden temperature change In this event a clicking sound may conditioner occur This is normal and the sound will soon disappear The remote control unit sends the setting condition to the air Remote Control Unit conditioner regularly at three minute intervals 01 859 15EG 15 Setting the Timer NIGHT n OFF ON C clock SETBACK ACL AIC SELECT TIME SET SENSOR a A 1 How to set the Example To set to 21 10 present time Operation Indication 1 Press the Program button c The time indication alone three times flashes 2 Press the HH button until 21 is displayed The display will auto Press the MM button until 10 is matically stop flashing displayed except for the after 10 sec symbol 2 How to set the OFF time Example To stop the air conditioner at 23 30 1 Press the Program button 09 The timer and once time indications flash 2 Press the button until 23 is The display will change 7 AA displayed automatically back to 0 Press the MM button until 30 is show the present time displayed after 10 sec 3 Press the ON OFF button to sta
13. 25 27 29 31 TC 2 77 2 68 2 39 2 21 CM 0 83 0 88 0 94 1 03 1 12 21 1 21 1 12 23 1 43 1 34 19 25 1 64 1 55 27 1 85 1 76 29 2 05 1 97 31 2 27 2 19 CM 0 85 0 90 0 97 1 06 1 15 SHC 1 20 1 16 1 10 1 04 21 1 37 1 59 1 80 2 01 1 96 1 90 1 82 CM 0 87 0 92 0 99 1 08 1 18 23 TC TOTAL COOLING CAPACITY SHC SENSIBLE HEAT CAPACITY CM COMPRESSOR INPUT RATING CONDITIONS OUTDOOR AMBIENT TEMPERATURE 35 C D B INDOOR UNIT ENTERING AIR TEMP 27 C D B 19 C W B 31 Indoor Unit AWR512CL Outdoor Unit AER512SCLA 230V Single Phase 50Hz RATING CAPACITY 3 3 kW AIR FLOW RATE 490 m3 h CONDENSER it 3 13 3 03 2 89 2 71 2 50 1 14 1 21 1 30 1 43 1 56 3 39 3 26 3 10 2 91 2 68 1 16 1 25 1 34 1 47 1 60 S ic 1 88 1 82 1 75 1 66 1 56 TC 3 80 3 67 3 50 3 29 3 03 Se 1 25 1 32 1 42 1 56 1 69 CM 1 2 35 46 59 73 25 1 5 27 29 31 TOTAL COOLING CAPACITY SENSIBLE HEAT CAPACITY CM COMPRESSOR INPUT RATING CONDITIONS OUTDOOR AMBIENT TEMPERATURE 35 C D B INDOOR UNIT ENTERING AIR TEMP 27 C D B 19 C W B i 3 59 8 47 3 30 3 10 2 86 1 22 1 29 1 38 1 51 1 64 3 ic 32 Indoor Unit FCR512CL Outdoor Unit AER512SCLA RATING CAPACITY 3 3 kW AIR FLOW RATE 700 m3 h CONDENSER WB DB _ _ 25 30 35 40 43 s CM 1 14 1 21 1 30 1 43 1 56 21 23 15 25 27 29 31 gt cu de des ra re te CM 1 16 1 25 1 34 1 47 1 60 21 SHC 1 88 1 82 1 75 1 66 1 56 23 17 25 27 29 31 TC 3 59 3 4
14. 73 0 79 17 25 27 ee ee CM 0 60 0 63 0 68 0 75 0 81 19 25 27 29 31 SHC 1 82 1 80 1 76 171 1 64 CM 0 61 0 65 0 70 0 77 0 83 23 21 25 27 29 31 SHC 1 64 1 62 1 57 1 52 1 46 CM 0 63 0 67 0 72 0 78 0 85 23 25 SHC 27 SHC 29 SHC 31 SHC TC TOTAL COOLING CAPACITY kW SHC SENSIBLE HEAT CAPACITY kW CM COMPRESSOR INPUT kW RATING CONDITIONS OUTDOOR AMBIENT TEMPERATURE 35 C D B INDOOR UNIT ENTERING AIR TEMP 27 D B 19 C W B 29 Indoor Unit AWR509CL Outdoor Unit 230V Single Phase 50Hz RATING CAPACITY 2 55 kW AIR FLOW RATE 470 m3 h EVAPORATOR CONDENSER OUTDOOR AMBIENT TEMP C 2 42 2 34 2 23 2 10 1 93 0 77 0 83 0 89 0 97 1 06 2 62 2 52 2 39 2 25 2 07 2 79 20 291 105 05 SHC 2 94 2 84 2 71 2 54 2 34 lt n 2 35 E 297 e 1 15 TC 3 14 3 00 2 84 2 66 2 47 CM 297 E 2 95 OO 1 18 1 1 277 2 68 2 55 2 39 221 082 a 1 12 AC TOTAL COOLING CAPACITY Es SENSIBLE HEAT CAPACITY CM COMPRESSOR INPUT RATING CONDITIONS OUTDOOR AMBIENT TEMPERATURE 35 C D B INDOOR UNIT ENTERING AIR TEMP 27 C D B 19 C W B 30 Indoor Unit AFR509CL Outdoor Unit AER509SCLA RATING CAPACITY 2 55 kW AIR FLOW RATE 380 m h CONDENSER WB DB 25 3 35 40 43 29 CM 0 77 0 83 0 89 0 97 1 06 21 1 50 23 1 72 15 25 1 93 27 2 10 29 2 10 31 SHC 2 10 1 93 om os ow too 1o CM 0 79 0 85 0 91 1 00 1 09 21 23 17
15. 859 08EG TIMER SELECT button Remote Control Unit continued No display The timer does not operate e The air conditioner stops at the set time ON The air conditioner starts at the set time The air conditioner stops and starts or starts and stops at the set times every day MODE selector button COOL DRY Use this button to select COOL or DRY mode 38 The air conditioner makes the room cooler The air conditioner reduces the humidity in the room FLAP button Press this button either to select to set the airflow direction to one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically A The airflow direction can be set manually six positions The flap moves and down automatically To switch to the sweep function 2 when in the manual X mode hold down the FLAP button FAN SPEED selector The air conditioner automatically decides the fan speeds button 3 High fan speed 9 Medium fan speed Low fan speed 1 HR TIMER button When you press this button regardless of whether the unit 1 HOUR OFF TIMER is operating or stopping the unit operates for one hour and then shuts down ACL button ALL CLEAR A C SENSOR button Puts the remote control unit into pre operation status Always press this button after replacing the batteries When you press this button use a
16. KSE S Control circuit fuse 250 V 3 15 A Remote Control Unit RCS 8PS3E Type Qty Dia and length mm Fan molor model Qy No of poles rpm 230 V High Nominal output Coil resistance Ambient temp 20 C BRN WHT VLT WHT VLT ORG YEL ORG Safety devices Type Operating temp Open Run capacitor Flap Motor DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit AWR512CL POW KGE A POW KSE B Control circuit fuse 250 V 3 15 A Remote Control Unit RCS 8PS3E Type Dis and longi mm Fan molor mode Qy No of poles pm 230 V High Nominal output Coil resistance Ambient temp 20 C VLT WHT VLT ORG YEL ORG Safety devices Type Operating temp Open Run capacitor Flap Motor 2 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit AFR509CL POW KT85GS5 N Control circuit fuse 250 V Remote Control Unit RCS 5PS3E Typs iy Dia and mm Fan motor model Gi of poles rom 230 V High Nominal output Coil resistance Ambient temp 20 C GRY WHT 545 630 WHT VLT 92 105 VLT YEL 62 71 BRN YEL 78 90 Safety devices Type Internal protector Operating temp 150510 Automatic reclosing Run capacitor EE VAC Col Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE 10 Indoor Unit FCR512CL POWKISSGSN Control circuit fuse 250V 3A Remote Control Unit RCS 5PS3E Type Cross flo
17. during cooling operation Condensation may begin to form around the air vent and drip down INDOOR UNIT Operation selector Operation without the Remote Control Unit If you have lost the remote control unit or it has trouble follow the steps below 1 When the air conditioner is not running If you want to turn on the air conditioner switch the operation selector to the OFF position and then to the ON position NOTE The set temperature and fan speed are automatically set at the last selection before stopping 2 When the air conditioner is running If you want to turn off the air conditioner switch the operation selector to the OFF position Casing and Grille Indoor Unit a 20 Care and Cleaning 1 For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Clean the casing and grille of the indoor unit with a vacuum cleaner brush or wipe them with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When cleaning the grille be careful not to force the vanes out of place 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe the plastic casing using very hot water 2 Some metal edges and the fins are sharp and may caus
18. floor For Floor Installation 12 1 Removing Air Intake Grille 1 Hold both ends and pull forward to open the air intake grille Fig 1 2 Remove the metal clips connecting the unit and the grille First with a screwdriver loosen the marked screw a little at the right side clip DO NOT loosen it too much otherwise the screw and small metal parts will fall off inside then press on the stopper and pull off Fig 2 Center latch 3 Do the same procedure for the left metal clip Fig 1 4 Unlatch the 2 tabs on the lower part of the grille to take it off completely Unit Air intake grille Metal clip Fig 2 65 12 2 Removing Side Panels 1 Remove the 3 screws attaching the left side panel Fig 3 2 Note the position of the hook on the inside of the left side panel To disengage the hook from the slot slide down the panel for removal Fig 3 3 Do the same procedure for the right side panel 12 3 Access and Removal of Electrical Component Box NES Hazardous voltage can cause ELECTRIC SHOCK or DEATH Disconnect the power or turn off circuit breaker before you start checking or servicing 1 Remove the front screw with a screwdriver Fig 4 2 Slide the lid out and up Fig 4 3 Disconnect the wiring as necessary 4 4 Remove the 4 screws then pull out the electrical component box Fig 5 66 Hook Hook Tapping screws 4 x 10 mm
19. humidity and protect the unit against possible water damage and decreased service life Fig 5b use lug bolts or equal to bolt down unit reducing vibration and noise Required space around the unit LLLLLLLLLLLLLLLL LLL Air intake Min 10 cm E Valve side Min 25 cm Min 7 5cm Airdischarge Min 40 cm 27 427 Top View Fig 4b Air intake Concrete or equal Exhaust fan NNN Hot air 7 77 11 Heat source Outdoor unit Fig 3 Obstacle above 4 3 N 3 NN NN NN NN NN NN 4 Air discharge Obstacle 7 F Gum Gm a Ground Side View Fig 4c y N Anchor bolts 4 pcs Min 10 cm p aaa Noo nia Fig 5b 40 7 2 Remote Control Unit Installation Position The remote control unit can be operated from either a non fixed position or a wall mounted position To ensure that the air conditioner operates correctly do not install the remote control unit in the following places In direct sunlight Behind a curtain or other place where it is covered More than 8 m away from the air conditioner 6 In the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic interference Mounting on a Wall a Removable mounting 1 Momentarily hold the remote control unit at the desired mounting position 2 Confirm that the air
20. set too high for cooling 2 Eliminate heat source if possible 3 Shut them to keep the heat out 4 Remove it to ensure good airflow 5 Set the temperature lower Clicking sound is heard from the air conditioner OPERATION lamp lights but outdoor unit will not run This is normal and the sound will soon disappear In cooling operation any plastic parts may expand or shrink due to a sudden temperature change In this event a clicking sound may occur The use of portable telephones near the air conditioner may cause disturbance to its normal operation 1 Turn off the power then restart the air conditioner after 1 minute 2 Consult your dealer Do not OI 859 23EG Tips for Energy Saving Block the air intake and outlet of the unit If they are obstructed the unit will not work well and may be damaged Let direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed 23 argo climb s p a Via Varese 90 21013 Gallarate Va Italy Tel 39 0331 755111 Fax 39 0331 776240 www argoclima it Printed in italy
21. small tipped object such as a ballpoint pen the mark will appear at the display And the room temperature is detected by the sensor which is built into the indoor unit and the air conditioner is controlled accordingly If the remote control is located near a heat source such as a space heater or in direct sunlight press the A C SENSOR button to switch to the sensor on the indoor unit OI 859 09EG The remote control unit sends the temperature signal to the air conditioner regularly at three minute intervals If the signal from the remote control unit stops for more than ten minutes due to the loss of the remote control unit or other trouble the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the room temperature In these cases the temperature around the remote control unit may differ from the temperature detected at the air conditioner s position How to Install Batteries How to Use the Remote 10 Control Unit Remote Control Unit Installation Position DO NOT Using the Remote Control Unit ACL button 1 Slide the cover in the direction indicated by the arrow and remove it 2 Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the battery compartment 3 Use a thin object such as the tip of a pen to press the ACL button The batteries last about six months depending on how much you use the remote cont
22. to potentially dangerous conditions to users service personnel or the appliance WARNING This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death practice which can result in personal injury or product or property damage CAUTION This symbol refers to a hazard or unsafe Installation Location We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit Before installation check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate WARNING Do not install this air conditioner where there are fumes or flammable gases or in an extremely humid space such as a greenhouse Do not install the air conditioner where excessively high heat generating objects are placed Avoid To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa Electrical Requirements 1 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details 2 Each unit must be properly grounded with a ground or earth wire or through the supply wiring 3 Wiring must be done by a qualified electrician Safety Instructions Read this Instruction M
23. 5 5 Operating amp Ambient temp 25 C Trip in 6 to 16 sec at 16A Run capacitor 22 5 VAC 450 Crank case heater Fan amp Fan Motor Coil resistance Ambient temp 25 BLK WHT 211 242 WHT VLT 244 281 VLT YEL 83 5 96 1 BLK PNK 41 7 48 Safety devices Type Operating temp Run capacitor VAC Heat Exch Coil Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE Outdoor Unit AERB12SCLA Controller PCB POW CLRIZSE 250 V 315A Compressor Rotary Hermeto C RTIOHSHE 8023501585 7100 DAPHNE FV68S Coil resistance Ambient temp 25 Q C R 1 962 C S 5 38 Safety devices Type External OLR A External OLR T Overload relay MRA98596 9201 CS 7C115 Operating temp 150349 115 3 69 11 9545 Trip in 6 to 16 sec at 21A Run capacitor 25 0 VA 400 240 V 20 W Fan amp Fan Motor Propeller 0400 KR35410M01846 1 77 Coil resistance Ambient temp 25 C Q BLK WHT 211 242 WHT VLT 244 281 VLT YEL 83 5 96 1 BLK PNK 41 7 48 0 Safety devices Internal fuse Operating temp 14542 o Heat Exch Coil Coil Rows Fin pitch Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE Aluminum plate fin Copper tube 2 3 Other Component Specifications AWR508CL AWR509CL AWR512CL Indoor Unit Transformer TR Rating Secondary Capacity Coil resistance Q at 21 C Thermal cut off temp Thermistor Coil sensor R
24. 7 3 30 3 10 2 86 _ o e i2 is 21 SHC 1 57 1 52 1 45 1 36 1 26 23 19 25 27 29 31 CM 1 25 1 32 1 42 1 56 1 69 SHC 1 55 1 50 1 43 1 34 1 24 21 CM 1 27 1 35 1 46 1 59 1 73 23 25 1 52 1 46 1 38 1 29 1 21 27 1 78 29 2 05 31 2 34 TC TOTAL COOLING CAPACITY SHC SENSIBLE HEAT CAPACITY CM COMPRESSOR INPUT RATING CONDITIONS OUTDOOR AMBIENT TEMPERATURE 35 C D B INDOOR UNIT ENTERING AIR TEMP 27 C D B 19 C W B 33 6 ELECTRICAL DATA 6 1 Electrical Characteristics Indoor Unit AWR508CL Outdoor Unit AER508SCLA Indoor Unit Outdoor Unit Complete Unit Performance at at 230V 1 phase 50Hz Rating nnn CR Running Amps Power Input o 09 Full Load Conditions Running Amps A Power Input RW Rating Conditions Indoor Air Temperature 27 C D B 19 W B Outdoor Air Temperature 35 D B Full Load Conditions Indoor Air Temperature 32 C D B 29 C W B Outdoor Air Temperature 43 C D B Indoor Unit AWR509CL Outdoor Unit AER509SCLA Indoor Unit Outdoor Unit Complete Unit Performance at at 230V 1 phase 50Hz ig Odier AAE Power Input KW Full Load Conditions Running Amps A Power Input KW Rating Conditions Indoor Air Temperature 27 C D B 19 C W B Outdoor Air Temperature 35 C D B Full Load Conditions Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 D B Indoor Unit AWR512CL Outdoor Unit AER512SCLA Indoor Unit Outdoor Unit Complete
25. A e Axis air verocity e Flap angle 30 Indoor Unit AWR509CL Room air temp Fan speed Axis air velocity m s Vertical distance m 27 C High Horizontal distance m 1 2 3 4 5 6 7 8 9 e Axis air verocity nnn e Flap angle 26 Indoor Unit AWR512CL Room air temp 27 Fan speed High Horizontal distance m 1 2 3 4 5 6 7 8 9 Axis air velocity m s Vertical distance m e Axis air verocity o e Flap angle 27 Indoor Unit FCR512CL Room air temp 27 Fan speed High B Floor mounted 2 EE o gt o S e Axis air verocity e 6 us e Flap angle 5 60 lt gt 0 1 2 3 4 5 6 7 Horizontal distance m Ceiling mounted Horizontal distance m 3 4 5 6 7 e N SN e Axis air verocity e Flap angle NS I N IN 3 pm N E 645 Axis air velocity m s Vertical distance m N Am 28 5 3 Cooling Capacity Indoor Unit AWR508CL Outdoor Unit AER508SCLA 230V Single Phase 50Hz RATING CAPACITY 2 05 kW AIR FLOW RATE 430 m3 h EVAPORATOR CONDENSER ENT TEMP W B S CM 0 56 0 60 0 64 0 70 0 77 15 25 27 ES 0 57 0 61 0 66 0
26. FLAP HH TIMER FANSPEED MM SELECT O SELECT TIME SET sensor BATTERIES SS Check that the circuit breaker on the power panel is turned on and that the operation selector of the indoor unit is in the ON position Press the setting buttons as described below and change the settings as desired STEP 1 Set the MODE selector button to COOL or DRY For cooling operation o s For dehumidifying operation gt STEP 2 To start the air conditioner press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range 30 C max 16 C min STEP 4 Set the FAN SPEED selector button to the setting STEP 5 you want If the fan speed is set to Automatic the fan speed switches automatically according to the difference between the actual room temperature and the temperature setting Press the FLAP button and set the airflow direction as desired Refer to Adjusting the Airflow Direction on page 19 To stop the air conditioner press the ON OFF operation button again OI 859 12EG 2 Adjusting the Fan Speed A Automatic Cooling and DRY mode OI 859 13EG B Manual Operation with the Remote Control Unit continued Choose the best position in the room for the remote control unit which also acts as the sensor for room comfort and transmits the operating instructions Once you v
27. Fan speed Automatic operation 01 859 07 3 Set temperature 16 30 C When set to 28 C Current temprature indication 4 Timer 24 hour clock with ON OFF Program Timer 24 hour ON Timer 24 hour OFF Timer 1 hour OFF Timer NIGHT SETBACR 5 Confirmation of transmission 7 Flap angle indication 8 Sweep indication J 7 x r _ 7I Remote Control Unit Sensor k Transmitter IN AIR CONDITIONER SET TEMP BIO Ix k Display Or d A Nu Cover closed 1HR TIMER Y TEMP A 1 HR TIMER button TEMP setting buttons ON 1 OFF O ooo J ON OFF operation button MODE selector button NIGHT SETBACK FLAP button FAN SPEED selector button LA Lt NIGHT SETBACK button Program button TIMER SELECT button BATTERIES Timer setting buttons A C SENSOR button 0 ACL button Battery compartment 0 Transmitter
28. Mounting plate Mounting Evaporator Indoor coil Drain pan Fig 11 68 12 6 Removing Fan and Fan Motor 1 Unlatch the 2 hooks on each side to take off the front fan casing Fig 12 2 Remove the 2 screws attaching the rear fan casing and then pull the fan casing out 8 Insert a hex wrench in the fan boss and turn it counterclockwise to loosen the centrifugal fan The fan can be removed by sliding it to the left Fig 14 4 Remove the 4 bolts to remove the fan motor from the frame Fig 15 69 F Hook Rear fan casing Fig 13 Centrifugal fan Hex wrench 3mm or 7 64 Fig 14 Bolts M6 Fan motor Fig 15 Frame APPENDIX INSTRUCTION MANUAL AERSOSSCLA AERSO9SCLA AWR512CL AER512SCLA 70 Contents Page Features ans endet oat eset etim 2 Product cti xad nre edad de 3 Alert Symbols e te a ete b dei 3 Installation s u nente needed E 4 Electrical Requirements U U u enn nnne 4 Safety Instructions uu y u una aha Der Race ves De e n dende 4 Names of Parts oie nee eid acta tend aden de 5 Using the Remote Control Unit 10 Operation with the Remote Control Unit
29. TECHNICAL amp SERVICE MANUAL 6 AER508SCLA Soro Lhe AERS509SCLA AFR509CL AWR512CL AER512SCLA FCR512CL AER512SCLA SPLIT SYSTEM AIR CONDITIONER AWR508CL AWR512CL AERB508SCLA AERB509SCLA AER512SCLA All FCR512CL Floor Mounted cedi Ceiling Mounted 0 8180 169 0 02 2001 Important Please Read Before Starting This air conditioning system meets strict safety and operating standards As the installer or service person itis an important part of your job to install or service the System so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning 6 Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in thi
30. Unit Compressor 230V T phase 50H Rating Conditions Running Amps 013 69 65 Power Input Full Load Conditions Running Amps A Power Input Rating Conditions Indoor Air Temperature 27 D B 19 C W B Outdoor Air Temperature 35 C D B Full Load Conditions Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 D B 34 Indoor Unit FCR512CL Outdoor Unit AERB12SCLA Indoor Unit Outdoor Unit Complete Unit 25 50H Rating Conditions Running Amps A Power Full Load Conditions Running Amps A Power ER Rating Conditions Indoor Air Temperature 27 C D B 19 C W B Outdoor Air Temperature 35 C D B Full Load Conditions Indoor Air Temperature 32 D B 23 C W B Outdoor Air Temperature 43 C D B Indoor Unit AFR509CL Outdoor Unit AER509SCLA Indoor Unit Outdoor Unit Complete Unit 2307 90 Rating Conditions Running Amps Full Load Conditions Running Amps Power mpn KW Rating Conditions Indoor Air Temperature 27 C D B 19 W B Outdoor Air Temperature 35 C D B Full Load Conditions Indoor Air Temperature 32 D B 23 W B Outdoor Air Temperature 43 C D B 35 6 2 Electric Wiring Diagrams Indoor Unit AWR508CL To avoid electrical shock hazard be sure to AWRS509CL disconnect power before checking servicing AWR512CL and or cleaning any electrical parts 8 7 6 5 4 3 2 1 8171615141 3 2
31. an 25L min and ultimate vacuum pressure rate of 0 05Torr Standard time of evacuation Length of tubing Less than 10 m More than 10 m More than 10 min More than 15 min 51 6 Recharging Valve Be sure to charge the specified amount of refrigerant in liquid state using the service port of wide tube service valve The proper amount is listed on the unit s nameplate When the entire amount cannot be charged all at once charge gradually while operating the unit in Cooling Operation Never charge a large amount CAUTION of liquid refrigerant at once to the unit This may cause damage to the compressor Single valve Charge the liquid refrigerant When charged with a refrigerant cylinder use the with the cylinder in the Fig 4 electronic scale for charging refrigerant In this case if basado the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the refrigerant cylinder is less than 20 E Valve Also charge the minimum necessary amount to the cylinder before using it for charging the air conditioning unit Example In case of charging refrigerant to a unit requiring 0 76Kg using a capacity of 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 x 0 20 2 76Kg Single valve with siphon tube For the remaining refrigerant r
32. ant Narrow tube mm in tube diameter Wide tube mm in Refrigerant tube kit Accessories Dimensions amp Weight Unit dimensions Package dimensions Height Width Depth Weight Net Shipping Shipping volume Remarks Rating conditions are Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B 24 C W B 230 V Cooling 2 05 6 991 430 0 4 Cooling 198 264 3 2 680 92 3 01 17 Microprocessor thermostat Wireless remote control unit ON OFF 24 hours amp Daily program 1 hour OFF and Auto 1 Hi Manual Auto Washable Anti Mold Rotary Hermetic R407c 730 Capillary tube 37 32 31 43 Flare type 7 5 6 35 1 4 9 52 3 8 Optional Air Clean Filter 270 540 177 265 243 568 855 815 332 343 8 0 34 0 10 0 37 0 007 016 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit AWR509CL Outdoor Unit AER509SCLA Voltage rating Performance Cooling Capacity kW 2 55 BTU h 8700 Air circulation High m 470 Moisture removal High Liters h x Electrical Rating Cooling Available voltage range 198 264 Running amperes Power input Power factor C O P Compressor locked rotor amperes z gt Controls Temperature control Control unit Wireless remote control unit Timer ON OFF 24 hours amp Daily program 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto 1 Hi Airflow direction Indoor Horizontal Manual Vertical Auto Air fi
33. anual carefully before using this air conditioner If you still have any difficulties or problems consult your dealer for help This air conditioner is designed to give you comfortable room conditions Use this only for its intended purpose as described in this Instruction Manual the air conditioner it is very dangerous This air conditioner has no ventilator for intaking fresh air from outdoors You must open doors or windows frequently when you use gas or oil heating appliances in the same room which consume lot of oxygen from the air Otherwise there is a risk of suffocation in an extreme case WARNING Never use or store gasoline or other flammable vapor or liquid near CAUTION Do not turn the air conditioner on and off from the power mains switch Use the ON OFF operation button Do not stick anything into the air outlet of the outdoor unit This is dangerous because the fan is rotating at high speed Do not let children play with the air conditioner Do not cool the room too much if babies or invalids are present O1 859 04EG Names of Parts Air intake INDOOR UNIT EEN 3 gt Ai
34. ase if the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use Valve the refrigerant if the amount in the refrigerant cylinder is less than 20 Also charge the minimum necessary amount to the cylinder before using it for charging the air conditioning unit Example In case of charging refrigerant to a unit requiring 0 76Kg using a capacity of 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10x 0 20 2 76Kg Single valve with siphon tube For the remaining refrigerant refer to the Charge with the cylinder in the instructions of the refrigerant manufacturer normal position Configurations and characteristics of cylinders Fig 2 If using a charging cylinder transfer the specified amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder Prepare an evacuated charging cylinder beforehand To prevent the composition of R407C from changing Charging never bleed the refrigerant cylinder gas into the atmosphere while transferring the refrigerant Fig 3 Do not use the refrigerant if the amount in the charging cylinder is less than 20 NY Open Refrigerant cylinder Fig 3 50 9 6 In case refrigerant is leaking Never attempt to charge additional refrigerant when refrigerant has been leaking CAUTION from the unit Follow the procedure
35. bility of ground fault 6 Check insulation resistance If resistance value is 2 or less insulation is defective NO Power plug Local supply Indoor Inter unit Outdoor unit wiring unit L 1 x x 1 Circuit Wall outlet 4 N 2 2 breaker p receptacle 4 2 x Ground de Single phase Fi x 1 Ground 220 240 50Hz WARNING Set circuit breaker to OFF D Remove inter unit wires from Insulation of terminal plate in outdoor unit NO o gt outdoor unit is defective Measure insulation resistance of outdoor unit Measure insulation resistance of electrical parts in outdoor unit 2 Remove inter unit wires from terminal plate in indoor unit NO Insulation of Then pull the power plug out of the wall outlet Measure insulation resistance of indoor unit indoor unit is defective Measure insulation resistance of electrical parts in indoor unit 55 B Circuit breaker trips in several minutes after turning the air conditioner on 6 There is a possibility of short circuit Check capacity of circuit breaker Capacity of circuit breaker is suitable Measure resistance of outdoor fan motor winding Measure resistance of compressor motor winding 10 2 2 Neither indoor nor outdoor unit runs A Power is not supplied Check power supply
36. bing connections Max allowable tubing length at shipment Refrigerant Narrow tube mm in tube diameter Wide tube mm in Refrigerant tube kit Accessories Dimensions amp Weight Unit dimensions Package dimensions Height Width Depth Weight Net Shipping Shipping volume Remarks Rating conditions are Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B 24 C W B 230 V Cooling 3 30 11400 490 1 3 Cooling 198 264 1380 92 2 4 33 Microprocessor thermostat Wireless remote control unit ON OFF 24 hours amp Daily program 1 hour OFF and Auto 1 Hi Manual Auto Washable Anti Mold Rotary Hermetic R407c 750 Capillary tube 39 35 33 45 Flare type 7 5 6 35 1 4 12 7 1 2 Optional Air Clean Filter 270 540 177 265 243 568 855 815 332 343 8 0 37 0 10 0 40 0 0 07 CC DATA SUBJECT TO CHANGE WITHOUT NOTIGE Indoor Unit FCR512CL Outdoor Unit AERB12SCLA Power Source 220 240V 50Hz Voltage rating 230 V Performance Cooling Capacity kW 3 30 BTU h 11400 Air circulation High m h 700 Moisture removal High Liters h 1 30 Electrical Rating Available voltage range Running amperes Power input Power factor C O P Compressor locked rotor amperes gt Controls Temperature control Control unit Wireless remote control unit Timer ON OFF 24 hours amp Daily program 1 hour OFF Fan speeds Indoor Outdoor 3 and A
37. conditioner responds correctly when you press keys on the remote control from that position 3 After confirming correct operation use a screwdriver to screw the supplied special mounting screw into the wall Fig 7a 4 Hang the remote control unit from the mounting Screw b Non removable mounting 1 Momentarily hold the remote control unit at the desired mounting position 2 Confirm that the air conditioner responds correctly when you press keys on the remote control from that position After confirming correct operation use a screwdriver to screw the supplied special mounting screw into the wall Fig 7a Remove the remote control cover by sliding it downward s Remove the batteries of the remote control unit Use a screwdriver to screw the remote control unit securing screw into the wall through the hole in the battery compartment Fig 7b Replace the batteries Again confirm that the remote control unit operates correctly 41 Removable mounting Wall Special i mounting screw Fig 7a Non removable mounting Screw Fig 7b 7 3 Recommended Wire Length and Diameter Regulations on wiring diameter differ from locality to locality For field wiring requirements please refer to Ret he WIRING SYSTEM DIAGRAM for th your local electrical codes Carefully observe these q Orne meaning of A and B in Table 6 regulations w
38. described below to locate points of leaks and carry out repairs then recharge the refrigerant 1 Detecting Leaks Use the detector for R407C to locate refrigerant leak points 2 Recovering refrigerant 1 Detecting leaks Never release the gas to the atmosphere recover residual refrigerant using the refrigerant recovery unit for R407C instead 1 composition will have been altered 2 Recovering refrigerant 3 Welding leaking points OK Do not reuse the recovered refrigerant because its Y OK Confirm again that no residual refrigerant exists in the unit before starting welding Y Weld securely using flux and wax for R407C 3 Welding leaking points Prevent oxide film from forming inside the tubes utilizing substitution with nitrogen N2 in the OK refrigerant circuit of the unit Leave ends of tubes open during welding Use nitrogen gas for the pressurized gas and never use a refrigerant other than R407C Also do not use oxygen or any flammable gas 5 Evacuation Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation OK of air due to a power interruption the valve will prevent the pump oil from flowing back The equipment may be damaged if moisture remains 6 Recharging in the tubing thus carry out the evacuation thoroughly When using a vacuum pump with exhaust air volume more th
39. e found this best position always keep the remote control unit there This appliance has a built in 3 minute time delay circuit to ensure reliable operation When the operation button is pressed the compressor will start running within three minutes In the event of power failure the unit will stop When the power is restored the unit will restart automatically after three minutes Simply set the FAN SPEED selector to the 3 position A microcomputer in the air conditioner automatically controls the fan speed when the 9 mode is selected When the air conditioner starts operating the difference between the room temperature and the set temperature is detected by the microcomputer which then automatically switches the fan speed to the most suitable level When difference between room temperature and set FAN SPEED temperature is 2 C and over High Between 2 C and 1 C Medium Below 1 C Low The above table assumes that the sensor on the remote control is being used If the sensor on the indoor unit is being used the indicator is on actual operation may differ slightly from the operation described in the table Refer to A C SENSOR button on page 9 If you want to adjust fan speed manually during operation just set the FAN SPEED selector as desired 89 8 or Operation with the Remote Control Unit continued 3 Night Setback Mode SET TEMP
40. e injury if handled improperly be especially careful when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center O1 859 20EG Care and Cleaning continued Anti Mold Filter The anti mold filter behind the air intake grille should be checked and cleaned at least once every two weeks Air intake grille How to remove the 1 Grasp both ends of anti mold filter the air intake grille and pull it out and up 2 Push the anti mold filter up slightly and then pull it down Anti mold filter Cleaning Use a vacuum cleaner to remove light dust If there is sticky dust on the filter wash the filter in lukewarm soapy water rinse it in clean water and dry it How to replace the 1 With the FRONT mark anti mold filter facing you slide the anti mold filter up into the unit and then lower the handle into the groove on the unit Air intake grille 2 After installing the anti mold filter press the locations marked by the arrows JL and close the air intake grille Anti mold filter Insert into the groove on the unit O1 859 21EG 21 Air Clean Filter not provided How to install the air clean filter Cleaning the main unit and remote control unit Removing and remounting the air intake grille AN sen Wash
41. e tubing with caps or tape prior to installation No addition of compressor oil for RA07C No additional charge of compressor oil is permitted No use of refrigerant other than R407C Never use a refrigerant other than R407C 9 If refrigerant R407C is exposed to fire Through welding etc toxic gas may be released when R407C refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work 6 Caution in case of R407C leak Check for possible leak points with the special leak detector for R407C If a leak occurs inside the room immediately provide thorough ventilation 47 9 3 Tools specifically for R407C For servicing use the following tools for R407C Tool Distinction Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Tools specifically for R407C Refrigerant recovery unit e Vacuum pump with anti reverse flow 3 1 Solenoid valve installed type which prevents oil from flowing back into the unit when the power is off is recommended e Vacuum pump 2 can be used if the following adapter is attached e Vacuum pump adapter reverse flow prevention adapter 3 93 Solenoid valve installed adapter attached to a conventional vacuum pump Electronic scale for charging refrigerant Flare tool Bender Tools which can be commonly Torque wrench used for R22 and R407C Cutter Reamer Welding machine nitrogen gas cylinder
42. efer to the instructions Charge with the cylinder in the Fig 5 of the refrigerant manufacturer normal position Configurations and characteristics of cylinders If using a charging cylinder transfer the specified amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder Prepare an evacuated charging cylinder beforehand To prevent the composition Charqi of R407C from changing never bleed the refrigerant gas into the atmosphere while transferring the refrigerant Fig 6 Do not use the refrigerant if the amount in the charging cylinder is less than 20 ging cy Refrigerant cylinder Fig 6 52 9 7 Charging additional refrigerant 9 7 1 When tubes are extended Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit Charge additional refrigerant in liquid state 6 Never charge additional refrigerant if refrigerant is leaking from the unit Follow N CAUTION instructions given in 10 6 In case refrigerant is leaking and completely carry out repairs Only then should you recharge the refrigerant 9 8 Retro fitting existing systems 9 8 1 Use of existing units Never use new refrigerant R407C for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 9 8 2 Use of existing tubing e If replacing an old
43. er Possibility of gas shortage large enough approx 10 deg or more Check for clogging of air filter Clean filter Air filter is clogged YES Fan speed is set to LOW Review cooling load estimate Charge refrigerant gas R407c Set fan speed to either HIGH or MEDIUM if performance of air conditioner is normal 10 4 2 Excessive cooling Reduce cooling load or replace the air conditioner with larger capacity Set temperature is suitable Remote control unit is placed where it can detect room temperature Set temperature to higher value using temperature setting buttons of the remote control unit properly 61 Change position of remote control unit 10 5 If a sensor is defective 10 5 1 Indoor coil temp thermistor TH1 is defective YES Operation lamp on front side of indoor unit is flashing on and off Thermistor TH1 is defective YES Replace thermistor Alarm Signal Operation lamp on the front side of the indoor unit will flash on and off when the indoor coil thermistor is defective At the same time the outdoor unit will stop Indoor unit will operate only for ventilation 10 5 2 Room temp thermistor TH2 is defective A Open When thermistor opens the air conditioner will be in the following conditions as the contro
44. er unit that used refrigerant R22 with a R407C unit do not use its existing tubing Instead completely new tubing must be used 53 10 TROUBLESHOOTING 10 1 Check before and after troubleshooting NES Hazardous voltage can cause ELECTRIC SHOCK or DEATH Disconnect power or turn off circuit breaker before you start checking or servicing 10 1 1 Check power supply wiring Check that power supply wires are correctly connected to terminals L and N on the terminal plate in the indoor unit Power plug Indoor Local Supply unit Power supply D Single phase I Inter unit Outdoor 220 240 50Hz En power wiring unit Ground 1168 D D Ground e Some 1 18 HD 10 1 2 Check inter unit wiring 6 Check that inter unit wiring is correctly connected to the outdoor unit from the indoor unit 10 1 3 Check power supply Check that voltage is in specified range 10 of the rating Check that power is being supplied 10 1 4 Check lead wires and connectors in indoor and outdoor units Check that coating of lead wires is not damaged Check that lead wires and connectors are firmly connected Check that wiring is correct 54 10 2 Air conditioner does not operate 10 2 1 Circuit breaker trips or fuse blows A When the circuit breaker is set to ON it is tripped soon Resetting is not possible 6 There is a possi
45. esistance AER508SCLA AER509SCLA AER512SCLA Outdoor Unit Transformer TR2 Secondary Capacity Coil resistance 22 Thermal cut off temp Power Relay PR Coil rating Coil resistance Q at 23 C Contact rating Thermistor Coil sensor TH1 Resistance ATR J105 u o gc 19V 0 526A 10VA Primary WHT WHT Secondary BRN BRN 150 C 205 10 2 0 10 DTN TKS131B 25 5 0 3 ATR J65 19V 0 315A 6VA Primary WHT WHT Secondary BRN BRN 145 C 455 10 2 85 10 G7L 2A TUB AC 200 240 50 60Hz 21 1596 AC 220V 25A PBC 41E S4 20 C 40 134 5 20 C 10 24 43 596 30 C O 15 9 5 40 C 10 C 9 945 50 Indoor Unit AFR509CL Thermistor Room sensor TH2 Resistance Thermistor Coil sensor TH1 Resistance Transformer TR 5 Secondary Capacity Coil resistance 21 C Thermal cut off temp DHKTEC 35 S6N 10 7 9 5 20 6 3 5 05 5 0 5 DHPBC 41ES 14N 20 40 1 5 10 C 24 4 5 0 15 3 5 10 9 9 5 ATR H85 11V 0 727A 8VA Primary WHT WHT 214 10 Secondary BRN BRN 1 58 10 145 C 2 250V Indoor Unit FCR512CL Thermistor Room sensor TH2 Resistance Thermistor Coil sensor TH1 Resistance Transformer TR 5 EET n EEN Secondary Capacit
46. hen carrying out the installation Table 6 lists recommended wire lengths and cross section area for power supply systems Table 6 Cross Sectional Area mm A Power Supply Wiring Length m B Power Line m A ppy 4 gnam m Fuse or Circuit Breaker Capacity Model 2 5 mm 2 5 mm AERS508 57 AERS509 21 AER512 14 Be sure to comply with WIRING SYSTEM DIAGRAM local codes on running the wire from the indoor unit to Power supply 220 240 V 50Hz the outdoor unit size of wire and wiring method etc unit x Outdoor Each wire must be firmly Ground connected No wire should be allowed to touch refrigerant tubing the compressor or any moving part To avoid the risk of electric WARNING shock each air conditioner unit must be grounded Be sure to connect the power supply line to the GRUTION indoor unit as shown in the wiring diagram The outdoor unit draws its power from the indoor unit 42 8 FUNCTION 8 1 Room Temperature Control Room temperature control is obtained by cycling the compressor ON and OFF under control of the room temperature sensor in the remote control unit The room temperature and other information is transmitted every 3 minutes by the remote control unit to the controller in the indoor unit Signal from remote control unit
47. illary tube DK Condenser O D 96 35 mm 1 4 WA 21 Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To prevent heat loss and wet floors due to dripping of condensation both tubes must be well insulated with a proper insulation material The thickness of the insulation should be a min 8 mm After a tube has been insulated CAUTION never try to bend it into a narrow curve because it can cause the tube to break or crack 22 Insulation AN Thickness Min 8 mm Thickness Min 8 mm Narrow tube Wide tube 5 PERFORMANCE DATA 5 1 Performance charts Indoor Unit AWR508CL Outdoor Unit AER508SCLA E Cooling Characteristics door inlet air B temp C Operating current A 25 30 35 40 45 50 Outdoor inlet air D B temp C door inlet air B temp C Low pressure at wide tube service valve MPa kgf cm2G 25 30 35 40 45 50 Outdoor inlet air D B temp C Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 D B 19 C W B Outdoor air temperature 35 C D B 24 C W B 23 Indoor Unit AWRB509CL AFR509CL Outdoor Unit AERBO9SCLA E Cooling Characteristics doo
48. ing and drain pipe have the CAUTION shortest run to the outside I Indoor Unit allow room for operation and maintenance as well as For stable operation of unrestricted air flow around the unit Fig 1 the air conditioner do Pes not install wall mounted 9 install the unit within the maximum elevation indoor unite under Wininumhelghi difference H above or below the outdoor unit and yP from floor level within a total tubing length L from the outdoor unit as 1 5m from floor level T detailed Table 1 and Fig 2a a A T Floor level Fig 2b lt Only for AWR gt Table 1 Max Allowable Limit of Tubing Limit of Elevation Required Amount of Model Tubing Length at Length L Difference H Additional Refrigerant Shipment m m m g m AWR508 AWR509 1 5 15 7 8 15 AWR512 1 5 20 7 b 25 If total tubing length becomes a 7 5 to 15 m b 7 5 to 20 m max charge additional refrigerant R 4076 by a 15 g m or b 25 g m No additional charge of compressor oil is necessary 39 Outdoor Unit AVOID heat sources exhaust fans etc Fig 3 damp humid or uneven locations DO choose a place as cool as possible choose a place that is well ventilated allow enough room around the unit for air intake exhaust and possible maintenance Figs 4b and 4c provide a solid base concrete block 10 X 40 cm beams or equal a minimum of 10 cm above ground level to reduce
49. ing the grille with water 22 Care and Cleaning continued The air cleaning filter removes dust and dirt from the air and reduces odors and smoke from tobacco The air clean filter is not provided with the air conditioner and must be purchased separately The first time that you buy the air clean filter it is necessary to get the STK ARF4B 50 model with frame When changing the filter subsequently it is only necessary to replace the filter itself model STK F4B 50 This air clean filter cannot remove harmful gases or vapors nor ventilate air in the room You must open doors or windows frequently when you use gas or oil heating appliances Otherwise there is a risk of suffocation in extreme cases The air clean filter needs to be installed behind the anti mold Air filter clean 1 Remove the anti mold filter filter 2 Install the air clean filter in the position shown in the diagram with the sir symbols meaning FRONT facing the front 3 Reinstall the anti mold filter Wipe clean using a soft dry cloth To remove stubborn dirt moisten a cloth in warm water no hotter than 40 wring thoroughly and then wipe The air intake grille can be removed in order to wash it with water With the air intake grille open all the way grip Air intake grille both arms with your hands and pull toward you to remove To remount hold the air intake grille roughly horizontal and push it in until the arm
50. inutes INDOOR UNIT Operation selector OPERATION lamp TIMER lamp OPERATION TIMER REMOTE CONTROL receiver This section picks up infrared signals from the remote control unit transmitter Operation selector ON position This position is for operating the air conditioner with the wireless remote control unit Set the selector normally in this position OFF position Switch the selector to the OFF position if you are not going to ANE TEST position AN emen use the air conditioner for a few days or longer The OFF position does not disconnect the power Use the main power switch to turn off power completely This position is used only when servicing the air conditioner Do not set at the TEST position for normal operation OPERATION lamp This lamp lights when the system is in the continuous DRY and COOL mode TIMER lamp This lamp lights when the system is being controlled by the timer OI 859 06EG Remote Control Unit Display Displayed when main unit sensor is in use Displayed when setting temperature shown allowable limit Displayed when transmitting data Displayed when temperature is Displayed when the temperature setting is at the upper or lower Displayed when setting timer Symbols 1 Operation mode S
51. ion 2 Dry A zone Compressor Continuous operation FMI indoor fan L low speed LL very low speed intermittent ventilation Set temp T C only while the compressor is ON T 1 C Dry B zone Compressor Intermittent operation ON for 3 minutes and OFF for 9 minutes FMI indoor fan L low speed LL very low speed intermittent ventilation only while the compressor is ON Room temp 15 Monitor zone Both the indoor and outdoor units stop Intermittent ventilation occurs by switching the indoor fan speed between L lt gt LL Dry operation does not occur when the room temperature is under 15 C which is the monitor zone When the compressor stops the indoor fan stops as well 44 8 3 Freeze Prevention 6 This function prevents freezing of the indoor heat exchange coil When the compressor has been running for 10 minutes or more and the temperature of the indoor heat exchange coil falls below 1 C the control circuit stops the compressor for at least 6 minutes The compressor does not start again until the temperature rises above 8 C or 6 minutes has elapsed Thermo OFF Room temp Thermo ON T 1 C Set temp T G More than Indoor heat exch 6 minutes coil temp 1 More than 10 minutes 1 Indoor fan Set speed Set speed 1 Functionally compressor running period or time are of two types 10 minutes and 6 minutes depending upo
52. is button is pressed The indicator in the display indicates that this function is operating 1 H R 9 Setting procedure Regardless of whether the unit is operating or stopped press the 1 HR TIMER button appears in the display ms Cancellation procedure Press the ON OFF operation button to turn the unit off wait for the unit to stop operating and then press the ON OFF operation button again The 1 Hour Timer function is now cancelled and the unit operates normally 1HR TIMER Y TEMP CQ ON I OFF O L 2000 J NOTE while the 1 Hour Timer function is operating the 1 HR TIMER button is pressed once to cancel the function and then again the unit continues to operate for one hour from that point in time and then stops 2 Operation Together The Program Timer and 1 Hour OFF Timer may be used together with the Program Timer tis not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence If the 1 HR TIMER button is pressed while the TIMER OFF function operates the OFF Timer is cancelled and the unit will stop operating one hour later 18 01 859 18 1 Horizontal AN emn 2 Vertical AN gun OI 859 19EG Adjusting the Airflow Direction The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right
53. ller tries to detect extremely low room temperature In Cooling mode The air conditioner soon stops and will not start again Thermo OFF Neither outdoor fan nor compressor runs B Short Pd When thermistor is short the air conditioner will be in the following conditions as the controller tries to detect extremely high room temperature OE UM In Cooling mode The air conditioner continues to operate Thermo ON Both the outdoor fan and compressor do not stop As a result the Te room becomes too cold wires Definition of Open or Short Circuit of Sensor Thermistor Thermistor Structure Open A lead wire is broken or disconnected or the circuit inside the temperature sensor is open Short The protective cover of a lead wire has been damaged and the exposed wire is touching another metal part or both lead wires have become exposed and are touching each other Alternatively the circuit inside the temperature sensor is closed 62 11 CHECKING ELECTRICAL COMPONENTS power plug Local supply 11 1 Measurement of Insulation Resistance 6 The insulation is in good condition if the resistance exceeds 2MQ 11 1 1 Power Supply Wires Clamp the grounding terminal of the power plug with a lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the two power terminals Fig 1 Then also measure the resistance between the grounding and other power terminal
54. lothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas Table of Contents Page OPERATING RANGE 2 SPECIFICATIONS g Unit Specification Major Component Specifications Other Component Specifications 15 3 DIMENSIONAL DATA 18 REFRIGERANT FLOW DIAGRAM S PEHEOHMANOEDATA SEE Throw Distance Chart Charts 29 5 3 Cooling Capacit 29 6 ELECTRICAL DATA EL Electrical Characteristic 6 2 Electric Wiring Diagrams Se INETRUC TIONS Installation Site Selection 39 PE Control Unit Installation Position 42 7 3 Recommended Wire Length and Diameter 42 Outdoor fan speed control nd 9 2 Checklist before servicing 4 eemnes 9 7 Charging additional refrigerant dC 9 8 Retrofiting existing systems 5 10 TROUBLESHOOTING Een before and after troubleshooting Air Conditioner Does
55. lter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment R407c 800 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 37 32 31 Outdoor Hi dB A 43 Refrigerant tubing connections Flare type Max allowable tubing length at shipment 7 5 Refrigerant Narrow tube in 6 35 1 4 tube diameter Wide tube in 9 52 3 8 Refrigerant tube kit Accessories Optional Air Clean Filter Dimensions amp Weight Outdoor Unit Unit dimensions 270 540 805 700 177 265 Package dimensions Height 243 568 Width 855 815 Depth 332 343 Weight Net kg 8 0 36 0 Shipping kg 10 0 37 0 3 Shipping volume m DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocessor C thermostat Remarks Rating conditions are Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B 24 C W B Indoor Unit AFR509CL Outdoor Unit AERBO9SCLA Voltage rating 230 V Performance Cooling Capacity kW 2 55 BTU h 8700 Air circulation High m 380 Moisture removal High Liters h 0 7 x Electrical Rating Cooling Available voltage range 198 264 Running amperes Power input Power factor C O P Compressor locked rotor amperes z gt Controls Temperature control Control unit Wireless remote control unit Timer ON OFF 24 hours amp Daily program 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto 1 Hi Airflow direction Indoor Horizon
56. n production date 45 8 4 Outdoor Fan Speed Control for model AER512SCLA Low ambient fan speed control e This function protects the compressor from being damaged due to flowback of the liquid refrigerant to the compressor when the outdoor temperature is very low e When the air temp thermistor TH on the outdoor unit detects a change in temperature the controller POW CL128E on the electrical component box activates to control the fan speed automatically ef the outdoor temperature falls below 14 C the fan speed switches to MED ef the outdoor temperature falls below 1 C the fan speed switches to LOW 1 2 Fan speed Fan motor output HIGH 8 WHT BRN 1490 Outdoor VLT BRN temperature 1 C LOW D D YEL BRN Line voltage 220 240V 1 Regardless of outdoor temperature outdoor fan motor operates at first at HIGH speed for 23 5 seconds to give the motor an initial boost 2 When the fan speed switches the controller terminal s location where line voltage comes out O O shifts accordingly 46 9 REFRIGERANT R407C SPECIAL PRECAUTIONS WHEN SERVICING UNIT 9 1 Characteristics of new refrigerant R407C 9 1 1 What is new refrigerant R407C R407C is a new refrigerant that contains three types of non azeotropy type mixed refrigerant which does not adversely affect the Earth s ozone layer Its refrigeration capacity and energy efficiency are about the same level as the conven
57. nce of indoor and or outdoor fan motor winding FM Measure resistance of compressor motor winding CM pe Measure coil resistance of power relay in outdoor unit PR Replace the fuse if ON O or GO is displayed on remote control 57 gt Cancel the timer mode 10 2 3 Only outdoor unit does not run A Check setting temperature Is room temperature too low Try to lower setting temperature by temperature setting button button Outdoor unit still does not run Try to run using another remote control unit Remote control unit is defective B Check power relay in outdoor unit Measure coil resistance of power relay PR Check indoor PCB Ass y 58 10 3 Some part of air conditioner does not operate 10 3 1 Only indoor fan does not run Fan cannot Check fan rotation be turned Turn fan gently once or twice by hand Measure resistance of indoor fan motor winding Check fan motor capacitor 10 3 2 Only outdoor fan does not run Fan cannot Check fan rotation be turned Turn fan gently once or twice by hand Measure resistance of outdoor fan motor winding Check fan motor capacitor 59 Check fan casing foreign matter on inside Remove foreign matter or repair Fan motor burno
58. not operate Some Parts of Air Conditioner does not operate Air Conditioner Operates but abnormalities are observed If a sensor is defective 11 CHECKING ELECTRICAL COMPONENTS Measurements of insulation resistence 64 Checking continuity of fuse on PCB ass 64 Checking motor capacitor DISASSEMBLY PROCEDURE FOR INDOOR UNIT Removing air intake grille Removing side panels Access and removal of electrical components box Removing flap motor Removing evaporator Removing fan and fan motor N APPENDIX Instructions manual 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Maximum 32 D B 23 C W B 43 C D B Cooling Minimum 19 C D B 14 C W B 15 C D B 2 SPECIFICATIONS 2 1 Unit Specifications Indoor Unit AWR508CL Outdoor Unit AER508SCLA Voltage rating Performance Capacity kW Air circulation High m Moisture removal High Liters h Electrical Rating Available voltage range Running amperes Power input Power factor C O P Compressor locked rotor amperes Controls Temperature control Control unit Timer Fan speeds Indoor Outdoor Airflow direction Indoor Horizontal Vertical Air filter Compressor Refrigerant Amount charged at shipment Refrigerant control Operation sound Indoor Hi Me Lo dB A Outdoor Hi dB A Refrigerant tubing connections Max allowable tubing length at shipment Refriger
59. ontinuity of Fuse F on PCB Ass y oi Remove the PCB Ass y from the electrical component box Then pull out the fuse from the PCB Ass y Fig 5 PCB Ass y Check for continuity using a multimeter as shown in Fig 6 6 Fig 5 11 3 Checking Motor Capacitor Remove the lead wires from the capacitor terminals E and then place a probe on the capacitor terminals as Fuse shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value AP Fig 6 The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor Multimeter Compressor motor capacitor Fan motor capacitor Fig 7 64 12 DISASSEMBLY PROCEDURE FOR INDOOR UNIT N IMPORTANT Please Read Before Starting Safety precautions for servicing the CEILING MOUNTED indoor unit Before attempting to replace heavy and bulky parts such as the evaporator and fan motor disconnect the indoor unit from the system and place it on the floor Refer to the steps given below When checking or servicing the air intake grille side panels or electrical component box first check that power is completely disconnected Pay utmost care that your working platform is stable enough Also do not drop any replaced parts and tools on the
60. r inlet air B temp C Operating current A 25 30 35 40 45 50 Outdoor inlet air D B temp C door inlet air B temp C Low pressure at wide tube service valve MPa kgf cm2G 25 30 35 40 45 50 Outdoor inlet air D B temp C 9 Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B 24 C W B 24 Indoor Unit AWR512CL FCR512CL Outdoor Unit AERB12SCLA E Cooling Characteristics door inlet air B temp C Operating current A 25 30 35 40 45 50 Outdoor inlet air D B temp C door inlet air B temp C Low pressure at wide tube service valve MPa kgf cm2G 25 30 35 40 45 50 Outdoor inlet air D B temp C 9 Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B 24 C W B 25 5 2 Air Throw Distance Chart Indoor Unit AWR508CL Room air temp 27 Fan speed High Horizontal distance m 0 1 2 3 4 5 6 7 8 9 o NS 1 E oS 2 X N o2 M N gt 5 N N N G o 3 v lt gt
61. r outlet Remote 5 control LY H unit Drain hose bd Refrigerant tubes OUTDOOR UNIT E AN Air outlet NOTE This illustration is based on the external view of a standard model Consequently the shape may differ from that of the air conditioner which you have selected This air conditioner consists of an indoor unit and an outdoor unit You can control the air conditioner with the remote control unit Air Intake Air from the room is drawn into this section and passes through air filters which remove dust Air Outlet Conditioned air is blown out of the air conditioner through the air outlet Remote Control Unit The wireless remote control unit controls power operation mode selection temperature fan speed timer setting and air sweeping Refrigerant Tubes The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows Drain Hose Moisture in the room condenses and drains off through this hose Outdoor Condensing Unit The outdoor unit contains the compressor fan motor heat exchanger coil and other electrical components 01 859 05 5 Unit Display and Operation Selector AN IMPORTANT Avoid using radio equipment such as mobile phone near within 1 m the indoor unit Some radio equipment may cause malfunction of the unit If the trouble happens disconnect power and restart the air conditioner after a few m
62. rol unit Replace the batteries when the remote control unit s display fails to light or when the remote control cannot be used to change the air conditioner s settings Use two fresh leak proof type AAA alkaline batteries n replacing batteries follow the instructions as mentioned in the sub section How to Install Batteries f you do not use the remote control unit more than 1 month take out the batteries When using the remote control unit always point the unit s transmitter head directly at the air conditioner s receiver Air conditioner Indoor unit N N Receiver Remote control 5 unit Transmitter head The remote control unit may be operated either from a non fixed position or from a wall mounted position To ensure that the air conditioner operates correctly DO NOT install the remote control unit in the following places n direct sunlight Behind a curtain or other places where it is covered More than 8 m away from the air conditioner n the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic noise Where there is an obstacle between the remote control unit and air conditioner since a check signal is sent from the remote control unit every 3 minutes OI 859 10EG Using the Remote Control Unit continued Mounting the Remote Control Unit Removable mounting Non removable mounting Wall Wall
63. rt the air The present time is conditioner displayed 4 Press the TIMER SELECT button to set The present time and OFF time 9 are displayed 16 OI 859 16EG 3 How to set the ON time 4 How to set a program for daily ON OFF operation or 4 O P L UL OI 859 17EG Setting the Timer continued Example To start operation at 7 10 Operation Indication 1 Press the Program button C 17 5 twice 2 Press the HH button until 7 is displayed Press the MM button until 10 is displayed 3 Press the ON OFF button to start the air conditioner 4 Press the TIMER SELECT button to set ON time The timer ON and time indications flash The display will change automatically back to show the present time after 10 sec The present time is displayed The present time and ON O are displayed Example To start operation at 7 10 and stop the air conditioner at 23 30 Set the timer ON OFF times as shown in 2 and 3 2 Press the ON OFF button to start the air conditioner 3 Press the TIMER SELECT button to set the ON OFF combination timer OY is displayed You can check the timer ON OFF times after you have set them by pressing the PROGRAM button Using the 1 Hour OFF Timer 1 1 Hour OFF Timer This function causes the unit to operate for one hour and then stop regardless of whether the unit is on or off when th
64. s Fig 1 11 1 2 Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw where power supply lines are connected on the terminal plate Fig 2 11 1 3 Outdoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw on the terminal plate Fig 2 Note that the ground line terminal should be skipped for the check 11 1 4 Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the desired electric part from terminal plate capacitor etc Similarly disconnect the connector Then measure the insulation resistance Figs 3 and 4 NOTE Refer to Electric Wiring Diagram If the probe cannot enter the poles because the hole is too narrow then use a probe with a thinner pin 63 Insulation tester The shape of the power plug may differ from that of the air conditioner which you are servicing Fig 1 Terminal plate robe SN j V Clip Copper Insulation tube or O tester metallic part Fig 2 Clip NG pA Copper tube or metallic part Insulation tester Fig 3 From fan motor compressor and other parts Metallic part Clip Insulation tester Fig 4 11 2 Checking C
65. s manual This symbol refers to a hazard or ANa unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or AN unsafe practice which can result in personal injury or product or property damage If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document Special Precautions When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner
66. sealing 3 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant other than R407C Also do not use OK oxygen or any flammable gas 4 Evacuation Y Use a solenoid valve installed vacuum pump so 4 Evacuation that even if power is cut off in the middle of evacuation OK of air due to a power interruption the valve will prevent the pump oil from flowing back The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly 5 Recharging When using a vacuum pump with exhaust air volume more than 25L min and ultimate vacuum pressure rate of 0 05Torr Standard time of evacuation Length of tubing Less than 10 m More than 10 m More than 10 min More than 15 min 49 5 Recharging Valve Be sure to charge the specified amount of refrigerant in liquid state using the service port of wide tube service valve The proper amount is listed on the unit s nameplate When the entire amount cannot be charged all at once charge gradually while operating the unit in Cooling Operation Never charge a large amount CAUTION of liquid refrigerant at once to the unit This may cause damage to the compressor Single valve Charge the liquid refrigerant e When charged with a refrigerant cylinder use the Wilh the cylinder iry the Fig 1 up side down position electronic scale for charging refrigerant In this c
67. shafts fit into the indentations in the main unit then fit the grille into place When using a footstool or the like be careful not to let it tip over Clean the grille gently using a soft sponge or the like Then wipe away any remaining moisture Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and wipe away any remaining moisture OI 859 22EG Troubleshooting If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or service center Trouble Possible Cause Remedy Air conditioner does not run at all 1 Power failure 2 Leakage breaker tripped 3 Line voltage is too low 4 Operation button is OFF 1 Restore power 2 Contact service center 3 Consult your electrician or dealer 4 Press the button again 5 Batteries in remote control unit have run down 5 Replace batteries OPERATION lamp flashes and air conditioner does not operate Trouble in wiring system Contact service center Compressor runs but soon stops Obstruction in front of condenser coil Remove obstruction Poor cooling performance 1 Dirty or clogged air filter 1 Clean air filter to improve airflow 2 Heat source or many people in room 3 Doors and or windows are open 4 Obstacle near air intake or air discharge port 5 Thermostat is
68. tal Manual Vertical Manual Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment R407c 800 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 37 32 31 Outdoor Hi dB A 43 Refrigerant tubing connections Flare type Max allowable tubing length at shipment 7 5 Refrigerant Narrow tube in 6 35 1 4 tube diameter Wide tube in 9 52 3 8 Refrigerant tube kit Accessories Optional Air Clean Filter Dimensions amp Weight Outdoor Unit Unit dimensions 700 540 200 265 Package dimensions Height 770 568 Width 620 815 Depth 265 343 Weight Net kg 18 36 0 Shipping volume m DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocessor C thermostat Remarks Rating conditions are Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B 24 C W B Indoor Unit AWR512CL Outdoor Unit AER512SCLA Voltage rating Performance Capacity kW Air circulation High m Moisture removal High Liters h Electrical Rating Available voltage range Running amperes Power input Power factor C O P Compressor locked rotor amperes Controls Temperature control Control unit Timer Fan speeds Indoor Outdoor Airflow direction Indoor Horizontal Vertical Air filter Compressor Refrigerant Amount charged at shipment Refrigerant control Operation sound Indoor Hi Me Lo dB A Outdoor Hi dB A Refrigerant tu
69. tional refrigerant R22 9 1 2 Components mixing proportions HFC32 23 HFC125 2596 HFC134a 52 9 1 3 Characteristics Less toxic more chemically stable refrigerant Composition of refrigerant R407C changes whether it is in gaseous phase or liquid phase Thus when there is a refrigerant leak the basic performance of the air conditioner may be degraded because of a change in composition of the remaining refrigerant Therefore do not add new refrigerant Instead recover the remaining refrigerant with the refrigerant recovery unit Then after evacuation totally recharge the specified amount of refrigerant with the new refrigerant at its normal mixed composition state liquid phase When refrigerant R407C is used the composition will differ depending on whether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state Thus always charge the refrigerant while it is in the liquid phase 9 Ether type oil is used for the compressor oil for R407C type units which is N CAUTION different from the mineral oil used for R22 Thus more attention to moisture prevention and faster replacement work compared with conventional models are required 9 2 Checklist before servicing 6 Tubing precautions Refrigerant R407C is more easily affected by dust or moisture compared with R22 thus be sure to temporarily cover the ends of th
70. to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the units weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run When Servicing Turn the power off at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and c
71. ut or foreign matter in bearings Repair or replace Check fan casing foreign matter on inside Remove foreign matter or repair Fan motor burnout or foreign matter in bearings Repair or replace 10 3 3 Only compressor does not run Check compressor motor Overload relay is working capacitor C1 Either OLR T or OLR A YES Measure resistance of Temperature of compressor compressor motor winding is abnormally high YES Y YES Refrigerant gas shortage Charge refrigerant gas R407c NO Y Measure Power supply voltage Rotor may be locked up The voltage is too low Measure resistance of power relay PR 10 3 4 Only flap motor does not run Measure resistance of flap motor winding 60 10 4 Air conditioner operates but abnormalities are observed 10 4 1 Poor cooling Check position of remote control unit YES Cool air from air conditioner reaches position directly Wide and narrow tubes between indoor unit and outdoor unit are Change position of remote control unit insulated YES Temperature difference Measure temperature of suction is small discharge air of air conditioner Temperature difference between suction and discharge air is Insulate both wide and narrow tubes separately and then tape togeth
72. uto 1 Hi Airflow direction Indoor Horizontal Manual Vertical Auto Washable Anti Mold Rotary Hermetic R407c 750 Capillary tube 39 35 33 45 Microprocessor thermostat Air filter Compressor Refrigerant Amount charged at shipment Refrigerant control Operation sound Indoor Hi Lo Outdoor Hi Refrigerant tubing connections Flare type Max allowable tubing length at shipment 7 5 Refrigerant Narrow tube in 6 35 1 4 tube diameter Wide tube in 12 7 1 2 Refrigerant tube kit Air Clean Filter Optional Optional Dimensions amp Weight Indoor Unit 530 Unit dimensions 680 900 750 190 270 Package dimensions Height 813 593 Width 1 011 Depth 296 Weight Net 23 5 Shipping 30 0 Shipping volume 0 24 DATA SUBJECT TO CHANGE WITHOUT NOTICE dB A dB A Remarks Rating conditions are Cooling Indoor air temperature 27 D B 19 W B Outdoor air temperature 35 D B 24 C W B 2 2 Major Component Specifications 2 2 1 Indoor Unit Indoor Unit AWR508CL POW KGE A POW KSE B Control circuit fuse 250 V 3 15 A Remote Control Unit RCS 8PS3E Type Dis and longi mm Fan molor mode Qy No of poles pm 230 V High Nominal output Coil resistance Ambient temp 20 C VLT WHT VLT ORG YEL ORG Safety devices Type Operating temp Open Run capacitor Flap Motor 2 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit AWR509CL POW KGE A POW
73. w Qty Dia and length mm Fan motor model Qy No of poles rpm 230 V High Nominal output Coil resistance Ambient temp 20 GRY WHT 3112796 WHT VLT 97 6 7 VLT YEL 97 6 7 WHT PNK 4254796 Safety devices Internal protector Operating temp Open 145 5 Automatic reclosing Run capacitor uE VAC Coil resistance Ambient temp 20 kQ DATA SUBJECT TO CHANGE WITHOUT NOTICE 11 2 2 2 Outdoor Unit Outdoor Unit AERB08SCLA Compressor ee Romina tpt Coil resistance Ambient temp 25 C R Er C S 8 89 Safety devices Type External OLR A Overload relay MRA38072 3229 Operating temp 14525 Operating amp Ambient temp 25 C Trip in 16 sec at 13A_ Run capacitor VAC G Fan amp Fan Motor Propeller Fan moter model Q ty EE No of poles rpm 230 V High EE m ENE Coil resistance Ambient temp 25 BLK WHT 211 242 WHT VLT 244 281 VLT YEL 83 5 96 1 BLK PNK 41 7 48 Safety devices Type Operating temp 150 10 Run capacitor Heat Exch Coil Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE Outdoor Unit AER509SCLA Compressor Rotary Hermetic C ANGOHEA 802 262 456 800 DAPHNE FV6BS 470 Coil resistance Ambient temp 25 Q C R 3 070 C S 7 97 Safety devices Type External OLR A External OLR T Overload relay MRA38066 3229 CS 70115 Operating temp 150 5 115 3 69 11 9
74. y Coil resistance 21 C Thermal cut off temp KTEC 35 S6 15 7 9 4 35 C 3 3 4 20 6 3 4 40 2 7 4 25 5 0 4 50 1 8 4 41 514 24 4 5 4 4 5 15 3 5 3 0 5 9 9 5 2 1 5 ATR H85 11V 0 727A 8VA Primary WHT WHT 214 10 Secondary BRN BRN 1 58 10 145 C 2 250V 3 DIMENSIONAL DATA Indoor Unit FCR512CL 900 190 8 Center of tubing hole 7 075 4 places Remote control unit 7 v gu Wide tube 212 7 1 2 Narrow tube 26 35 1 4 SE Drain hose 226 680 172 5 m 61 _ 18 5 41 41 Unit mm Indoor Unit AWR508CL AWRS509CL AWR512CL 41 0 805 270 Drain hose 218

TECHNICAL& SERVICE MANUAL SPLIT SYSTEM AIR

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TECHNICAL&amp; SERVICE MANUAL SPLIT SYSTEM AIR

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TECHNICAL& SERVICE MANUAL SPLIT SYSTEM AIR