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1. 99 Removal Procedure Sten Procedure Points 6 Remove the Vertical blade 1 Unfasten the hooks at the upper 2 positions m A set of vertical blade has 6 fins as on ASSY It is impossible to replace only one fin m The set of vertical blades is not marked for difference between right and left 2 Unfasten the 3 hooks at the shaft mounting part by pressing them with a flat screwdriver m Repeat the same procedure to remove the vertical blade on the other side 3 Remove the vertical blade Vertical blade 56 Removal Procedure Step Procedure Fos 7 Remove electrical box Disconnect the Cable clamp Disconnect the connection wires Remove Temperature Sen SOr Remove a screw on the terminal board SK niil El ea n w MG TNN Heat exchanger thermistor DAT EE dai d H i TEN p NI BN Em loa ESA RS A ek 7 7 TA AN 1 U in le d t SD id ke d Screw ei i a l ey i AN
2. L JANINE MNN Remove the front panel from the unit 54 Removal Procedure Procedure Points O 4 Opening and closing of service cover 1 Remove a service a pr xc 7 Ri SCENE RE A Open service cover Sn E lr upward ELI sch En A switch for field setting is ui E EP A not provided in particular 5 Removal of front grille assembly 1 Remove the 3 screws ir 2 Lar ET 3 DEER LE POL E Id ai w M Screw stoppers inside the li 202 COME e Nr flap which were equipped in wiin e ront grie i a m mW s the existing models are not A Lm y provided 2 Disengage the 3 hooks on the upper part p Kees In case that the hooks c AN ZU are not pressed from i above remove the front i panel and then remove ni ir the grille while pushing D EE the hook through a e I BI At the upper part there are 2 clearance between the hooks in the left and the front grille and the heat right exchanger E m i gt E E Disengage the Doo by 3 The front grille can be l gt pousse So removed in a manner to c SEENEN pull out the upper part ZA forward and lift up the SA lower part i 3
3. 0128200801 1 716 Electric Box Cover 20122106 20122106 1 A7 Electric Box Assy 2020225301 20202253 1 18 Motor Press Plate 26112191 28112191 1 19 Electric Box Gover Sub Assy 20122000 20122109 1 20 Terminal Board 42012233 420122838 1 21 ak 73022008 73022000 31 22 Step Motor 1821210700 182121070 1 23 Pipe plug outlet 76712020 76712000 1 24 Electric Box 20122080 20112086 1 27 Fan Motor 15022008 48012083 1 28 Front Case Assy 2001287501 2001237500 1 29 Remote Controller 30510081 30510061 1 30 Power Cod 400204643 400204643 1 31 Connecting Cable 400205236 400205236 1 32 Screw Cower 24252009 24282088 1 33 Main Board 30188228 80188121 1 34 XY Capacitor OO 333030003 330300080 4 35 Ambient Temperature Sensor 390000453 390000458 1 36 Fan Bearm 7651220 O 76812210 1 37 Dampingwashersubassy 76512001 7651200 7 1 38 AxleBushsubassy 10542024 10542002
4. Slide the shield plate 2 and remove it Shield plate 2 59 Removal Procedure Procedure Points Take off Wiring terminal Remove Display PCB Sub Assy l Eger i Remove Swing motor Swing motor R8036 60 Removal Procedure Step Procedure Points To remove the control W The control PCB is PCB unfasten the 2 integrated with the power hooks at the upper part supply PCB from the rear side A ps AJ S d Lift up the upper part of the control PCB and remove it Control PCB e ua aT RR a 18 on lm 61 Renoval Procedure Sten Procedure Fons 9 Disconnect the refrigerant piping AN CAUTION Ag Vi A If gas leaks repair the spot of Lift the indoor unit by a wooden base leaking then collect all refrigerant from the unit After conducting vacuum drying recharge proper amount of refrigerant AN CAUTION Do not contaminate any gas including air other than the specified refrigerant R 410A SSS Di into refrigerant cycle S SaaS S x n SS i Contaminating of air or other gas causes abnormal high Wooden base SZ AAA Place a plastic sheet S under the drain p
5. TOYOTOMI Service Manual MODEL GAN GAGA128GVR GAN GAGA135GVR Refrigerant R 410A Summary and features Indoor Unit GAN A128GVR GAN A135GVR GAN A180GVR GAN A240GVR Outdoor unit GAG A128GVR GAG A135GVR GAG A180GVR GAG A240GVR af Infrared Remote control YB1F2 Table of Contents Summary and features s 1 Part 1 1 Safety Precautions KREE nn n E ESE RSS SEE RES SEE RERE SEE KREE Part 2 SPECIFICATIONS nan nana nn nana nn nn nn nn nen SE E ERES E E ERES E E ERES E ERES E E ERES E E ESE SE ELE 9 21 Unit BOSC IN CANONS e icone 3 2 2 Operation Characteristic CINE 7 2 3 CapacityVariationRatio Accordingto Temperature 7 pel ON Dale se at e n se esse yb eka eed cies etn tank ol kat 8 2 5 Noise criteria curve tables for both models 8 Part 3 Construction Views nn ERR ERR nese e RR ERR ERR RR ERR ER SE SE ERE RK ERR pn pn ne d 3 1 Indoor Unit EE 9 3 2 Outdoor Un 9 Part 4 Refrigerant System Diagram kk ksskrssenee TO Part 5 Schematic Diagram err rr err iaia T 1 5 1 ELECTRICAL Dn 11 ST po a si ie e e 11 5 3 Printed Circuit Board anssen stenen aeta 13 Part 4 Function and Control nana nan nana ns sens ns esse ns sesa ss sssesesssssssssese TO 6 1 Remote SontrolODSrOR EE 18 6 2 Changing batteries and notices
6. AIR HEALTH BLOW i ve WIR F em FILTER Sage EN c na 23 C onor cx BLOW TEMP TIMER TURBO SLEEP LIGHT TOYOTOMI SLEEP Sleep button Press this button enter into SLEEP state when repressed it will quit The sleep function will be canceled with the stop of the unit There is no SLEEP function under AUTO and FAN mode is the icon for sleep function At COOL mode the SLEEP mode runs after 1hour the setting temp will be increased by 1C 2 hour later setting temp will be increased by 2C and then will run at this setting temperature At HEAT mode the SLEEP mode runs after 1hour the setting temp will be decreased by 1 C 2 hours later setting temp will be decreased by 2 C then it will run at setting temperature BLOW Function and Control Blow button Set Blow on the characters of Blow will appear or off the characters of Blow disappears by pressing this key under cool or dehumidify mode Once energized the unit will be defaulted to be Blow off This function can not be set under auto fan or heat mode and the characters of Blow won t appear SORI Light button Press this button to select LIGHT on or off in the displayer When the LIGHT on is set the icon o will be displayed and the indicator light in the displayer will be on When the LIGHT off is set the icon W will be displayed and the indicator light in the displayer will be off AN Le
7. 34 DW Capacitor fOO 330800083 3330300080 35 Ambient Temperature Sensor 390000453 390000458 1 36 Fan Bearn 7681220 O 76812210 3 37 Dampingwashersubassy 765120303 7651200 38 AxleBushsubassy 10542024 10542003 7 39 ElecticBoxSubAssy 2020225708 2020228702 31 HAR The above data are subject to be changed without notice 37 38 Exploded Views and Parts list vor Part Code N Destini EE EE NOT AVAILABLE GAN A135GVR TI Decorative Srp 20192202 2008232 JI 2 Front Panel Zozo 2001232501T 1 3 FiterSubAssy 111220820 111220820 2 4 Frontcase 20012824 20012324 1 5 Guide Lower sem 1052218 1 6 Wouer 1 10512160 10522160 2 7 Shaf of guide ouer 054202001 1054202000 2 8 Front Panel Assy 2001287601 200123760 1 9 Drainage Pipe Sub assy 0523204101 0523204101 1 10 Evaporator Support 24212108 28212108 1 TT jGmssFlowFan 105423 10223 1 AZ Evaporator Assy 000245 01002745 1 13 felicoid tongue 26112486 26112486 1 14 JRearCase assy 2220210900 2220210900 1 15 Wali Mounting Frame 0125201801
8. Bes ur N N Connecting wires M Pay attention to the direction of the retainer of the thermistor so that the retainer will not touch the harness same as the existing models M Take care not to lose the clip of thermistor Heat exchanger thermistor Clip R11268 M The electrical box can be removed instead of disengaging the terminal board 57 Renoval Procedure Step Procedure Points 5 Remove fan motor Signal fan motor Signal Wire Wire 9 DAT m MI n electrical box Hu DCH ae Tom ll Je IW BUNT 7 Pull up the electrical box forward to remove 58 Removal Procedure ste Freis LI Pos 8 Remove the shield plate Unfasten the hooks at the upper 2 positions of the shield plate B Remove the electrical box according to the Removal of Electrical Box Unfasten the hook at the lower position and remove the shield plate 1 ni i Ce 1 gt veset its Hook SS tt a n a kann Lift the shield plate 2 and unfasten the 2 hooks SAN e E ge ZA mees Hook i i i i ii
9. Check connecting state of indoor temperature sensor Indoor unit display F1 F2 reliable connected Indoor unit display F4 F5 Adjust donnecting statg ec connecting emperature sensoy ROD ci C temperature sensor temperature sensor eplace parts of outdoor electric box finish 43 Troubleshooting Energize the 4 Malfunction diagnosis of startup failure unit and start it Main detection points Is wiring of compressor correct Is the stop time of compressor more than 3min Start it 3 min later Isthe stop time of compressor enough Iscompressor damaged Malfunction diagnosis process Connect it according to line chart Replace parts if outdoor electric box Remove the error Replace compressor finish 5 Diagnosis of losing synchronism for compressor Main detection points Ispressure of the system too high Isvoltage too low Malfunction diagnosis process osing synchronism upon startup of the unit osing synchronis during running lis fan well connected s the stop tim of compressor more han 3min Is outdoor fan normal s outdoor blocked by SHU Is wire of compressor well connected Replace parts of outdoor electric box Replace parts of outdoor electric box N Repla
10. field supply d65 Wall hole cover field supply Wall embedded pipe field supply 3 Flarina work and connection of pipina 3 1 Flaring work Flaring work Main cause for refrigerant leakage is due to defect in theflaring work Carry out correct flaring work using the follow ing procedure Cut the pipes and the cable 1 Use the piping kit accessory or pipes purchased locally 2 Measure the distance between the indoor and the outdoor unit 3 Cut the pipes a little longer than the measured distance 4 Cut the cable 1 5m Gi e iech the Sum Copper Slanted Uneven Rough Le Burr removal 1 Completely remove all burrs from the cut cross section of pipe tube 2 Put the end of the copper tube pipe in a downward direc tion as you remove burrs in order to avoid dropping burrs into the tubing Pipe O We Reamer GD Point down Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flare nut Copper tube Flaring work Firmly hold copper pipe in a die in the dimension shown in the table above vamp nande Red arrow mark Carry out flaring work using flaring tool as shown below Outside diameter mm inch 6 35 1 4 9 52 3 8 D12 7 1 2 515 88 518 519 05 Check 1 Compare the flared work with figure below 2 If flare is noted to be defective cut off the flared s
11. 2 Protection function in heating mode when the compressor stops as a result of malfunction the indoor fan blows residual heat 3 Defrosting control when the defrosting signal is revived the defrosting mark H1 will be shown The e heater and indoor fan stop 22 Function and Control 7 LOUVER CONTROL After energization the motor of upper and lower swing will enable the air deflector to be open and then be close completely And the air outlet is close In heating mode if the swing function is not set the upper and lower air deflector will rotate to maximum in clockwise direction Then it will rotate to place D Under other state the upper and lower air deflector will rotate to level L If the swing function is set when starting the unit the air deflector will swing between place L and D there are 7 states for air deflector in Place L Place A Place B Place C Place D and swing between Place L and place D stop in any place between Place L and place D When the unit is turned off the air deflector will stay in place 0 The swing is available only when the swing function is set and the indoor fan is running Note When place L to B place A to C and place B and D is set the air deflector will swing between place L to D Ou QO DG E 8 SLEEP FUNCTION 1 Itis applicable to cooling mode dehumidifying mode and heating mode 2 In cooling mode or dehumidifying mode 1 hour after the sleep curve is set the setti
12. S AS E a ei 63 Removal Procedure Sten Procedure Pons 3 Loosen the 2 screws in the right and the left which fix the Evaporator Assy iS Am WEN n d 4 Widen the auxiliary a piping to the extent of SETS 10 20 4 R8040 i NI TI a RIT Heat exchanger 5 Pull the heat exchanger to the front side to undo the hooks completely and then lift it d y ii IKK 64 Removal Procedure Procedure Remove Cross Flow Fan Fan Motor Te w a Bearing DAN Dinh E W A on L api MON di H ech Hn Hey ti mutig ui MG 71 va bag Sa Nu ci RNNSDQ c tay ee DD R8050 12 Remove Cross Flow Fan and Motor Sub Assy screw Removal Procedure Step Procedure Pom 13 Remove Motor Sub Assy Remove Motor Sub Assy 14 Remove Fan Motor 66
13. TIMER Timer button e On the status of the unit on press this button to set timer off On the status of the unit off press this button to set timer off Press this key once words Hour on off will appear and flicker In which case press button to adjust time press button continuously to change timing value quickly the setting time range is from 0 5 to 24 hr press this key once again to fix the time then remote controller will send out the signal immediately and hour on off will stop flickering If the time of that no press timer button under flickering status is above 5s the timer setting will quit If the timer has been set press this button once again to quit it TEMP Temp display button e After powered on displaying presetting temperature is defaulted According to customer requirements to display if there are no requirements the presetting temp erature displaying is defaulted there is no signal display on the remote control Press this button display Y display the presetting temperature display n display indoor ambient temperature display w display ambient temperature If current display status is indoor ambient temp when received other remote control sginal then will display presetting temp 5s later return to ambient temp display Other models haven t this function But pressing this button the main unit will click and keep the original status 19 Remote controller
14. i 21 6 AIC MOSEON enten 21 64 Unt ONOFF DUHOM samenst n 21 6 5 DESCRIPTION OF EACH CONTROL OPERATION ee 22 6 6 Error Detection of Temperature Sensor in 24 67 FIEQUENCY mde nire ME NR UU TM 24 6 8 3 minutes Standby iii 24 6 9 Compressor Protection Function need n epike den e piken eee 24 6 10 Discharge PIDE Eent WE 25 C MPU CUNEN OONO e eae een nee ene bk pi sy ee yb l a y 29 6 12 Freeze up Protection Control evidan piti a ek rire 25 Table of Contents 6 13 Heating Peak cut Control i 26 6 14 Defrost Control annen ennen nme da sa 26 bio Forconi 27 Part 7 INSTALLATION MANUAL enne mmm 28 7 1 Tools Required for Installation nanne eren eee nennen eenen 28 1 2 Installation Position Selection ira 26 Zo INSTALLATION OF INDOOR UNIT asia 26 7 4 INSTALLATION OF OUTDOOR UNIT ia 32 7 5 Test Operation ei 33 Part 8 EXPLODED VIEWS AND PARTS LIST lr 34 EPOS oUm 34 Od cia UU Tm 37 Porte gt TROUBLESHOOTING errian E A E 40 9 1 Precautions before Performing Inspection or Repair 40 OP COMMU ON lilla 40 9 3 Judgement by Flashing LED of Indoor Outdoor Unit 40 9 4 How to Check simply the main part es 42 9 5 2 way 3 way Valve Appearance eene 46 Part 10 Removal Procedure nana m mHmnmemmem nnn nnn 53 10 1 Removal Procedure of Indoor Unit aaneen eneen 59 10 2
15. Do operation following the regulations to avoid electric shock and casualty or even death due to drop from high attitude Static maintenance is the maintenance during de energization of the air conditioner For static maintenance make sure that the unit is de energized and the plug is disconnected dynamic maintenance is the maintenance during energization of the unit Before dynamic maintenance check the electricity and ensure that there is ground wire on the site Check if there is electricity on the housing and connection copper pipe of the air conditioner with voltage tester After ensure insulation place and the safety the maintenance can be performed Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Normally diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Precautions when inspecting the control section of the outdoor unit Troubleshooting procedure A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging volt 2 Judgement by Flashing LED of Indoor Outdoor Unit age DC280V to 380V remains and discharging takes a lot of t
16. Outline The discharge pipe temperature is used as the compressor s internal temperature If the discharge pipe temperature rises above a certain level the operating frequency upper limit is set to keep this temperature from going up further Detail Divide the Zone Stop zone Drooping zone Keep zone Up zone Heat exchanger thermistor temperature Reset zone Management within the Zones Zone Control contents Stop zone When the temperature reaches the stop zone stop the compressor and correct abnormality Start the timer and the frequency will be drooping Keep the upper limit of frequency Return Reset zone Cancel the upper limit of frequency 6 11 Input Current Control Outline Detect an input current by the CT during the compressor is running and set the frequency upper limit from such input current In case of heat pump model this control is the upper limit control function of the frequency which takes priority of the lower limit of four way valve activating compensation Detail The frequency control will be made within the following zones 2 Hz drooping 1 0second after After 2 5 seconds rushing in the a drooping zone Compressor stops Stop zone Drooping zone Reset zone When a stop current continues for 2 5 seconds after rushing on the stop zone the compressor operation stops If a drooping current is continues for 1 0 second after rushing on the drooping zone the fre
17. Removal Procedure of Outdoor Unit Safety Precautions 1 Safety Precautions Important Please Read Before Startina This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently To prevent injury to the user or other people and property damage the following instructions must be followed Follow each installation or repair step exactly as shown Observe all local state and national electrical codes 6 Pay close attention to all warning and caution notices given in this manual About the pictograms N Warning Erroneous handing gives a high possi bility to induce serious results such as death or heavy injury a Erroneous handing may induce serious AN Caution ou ur injury depending on the situation N Warning All electric work must be performed by licensed technician ac cording to local regulations and the instructions given in this manual Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked 6 Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inad equate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tigh
18. cap Air purging Closed Installation clockwise connection clockwise Troubleshooting 3 way Valve Gas Side Valve cap Open position Closed position Pin Flare nut Service Service port cap port To outdoor unit Service port Closed Open with vacumm pump Operation Open Open Closed with valve cap with valve cap with cap Closed Pumping down i clockwise Transfering Open counter clockwise connected manifold gauge Open Open Open with charging cylinder Gas charging Open Open Open Servicing with charging cylinder Pressure check Open Servicing Open Open with charging cylinder Open D Evacuation 3 Servicing Gas releasing 6 Servicing Open 46 p Open with charging cylinder Troubleshooting Air purqina CAUTION Do not leak the qas in the air during Air purqina rZ MAS Vacuum pump Se Outdoor unit CLOSE Procedure 1 Connect the charge hose from the manifold valve to the ser vice port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge mani fold valve 4 Operate the vacuum pump to begin evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Confirm that the compound pressure ga
19. connecting cable or as according to local regula tions codes into the pipe hole on the wall 4 Pull the connecting cable through the cable slot on the rear panel so that it protrudes about 15 cm out of the front Installation Manual 5 Insert the connecting cable fully into the terminal block and secure it tightly with screws 6 Tightening torque 1 2 Nem 0 12 kgfem 7 Secure the connecting cable with the cord clamp 8 Attach the terminal cover rear plate bushing and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical regulations for any specific wiring instructions or limitations Cord clamp Terminal block 3 Earth wire rh Connecting cable Terminal block Connecting cable H About 15 cm 70 mm l ees Earth line 10 mm L S mm 30 Installation Manual 5 Installina indoor unit In the case of bending or curing refrigerant pipes keep the fol lowing precautions in mind Abnormal sound may be generated if improper work is conducted 1 Do not strongly press the refrigerant pipes onto the bottom frame 2 Do not strongly press the refrigerant pipes on the front grille either The piping can be lead out fr
20. from the indoor unit must be divided as follows Detail Conditions for Start Controlling Judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start Control in Each Zone The heat exchange intermediate temperature of indoor unit controls the following Stop zone Drooping zone Keep zone Up zone Heat exchanger thermistor temperature Reset zone 6 14 Defrost Control Outline Heat Pump Only Defrosting is carried out by the cooling cycle reverse cycle The defrosting time or outdoor heat exchanger temperature must be more than its fixed value when finishing Detail Conditions for Starting Defrost The starting conditions must be made with the outdoor air temperature and heat exchanger temperature Under the conditions that the system is in heating operation 6 minutes after the compressor is started and more than 44 minutes of accumulated time pass since the start of the operation or ending the defrosting Conditions for Canceling Defrost The judgment must be made with heat exchanger temperature 39 F 72 F 26 Function and Control PI control Frequency 60sec OHz bosec 600sec bosec ON Compressor OFF ON Four way valve OFF bsec bsec ON Fan OFF 450pps 350pps 450pps Electronic expansion valve opening Initial opening 6 15 Fan Control Outline Fan control is carried out according to
21. on the gas cylinder and discharge the refriger ant until the gauge indicates 3 to 5 kg cm g Outdoor unit 6 Disconnect the charge set and the gas cylinder and set the Liquid side and Gas side valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 8 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage CAUTION Do not leak the gas in the air during Air Purging 49 50 Balance Refrigerant of the 3 way Valve Gas leakage Outdoor unit lo Q OPEN nr CLOSE e Procedure Troubleshooting 1 Confirm that both the 2 way and 3 way valves 3 Open the valve Lo side on the charge set and are set to the back seat discharge the refrigerant until the gauge indi cates 0 kg cm G 2 Connect the charge set to the 3 way valve s f there is no air in the refrigerant cycle the port pressure when the air conditioner is not running Leave the valve on the charge set closed is higher than 1 kg cm G discharge the refrig Connect the charge hose to the service port erant until the gauge indicates 0 5 to 1 kg cm G if this is the case it will not be neces sary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too suddenly the refrigeration oil will also be discharged Troubleshooting Evacuation Al
22. the following priority ON DOA FP WN gt Fan ON control for electric component cooling fan Fan control when defrosting Fan OFF delay when stopped ON OFF control in cooling operation Tap control when drooping function is working Fan control in forced operation Fan control in indoor outdoor unit silent operation Fan control in powerful mode Fan control in normal operation Detail Fan OFF Control when Stopped Fan OFF delay for 60 seconds must be made when the compressor is stopped Tap Control in indoor outdoor unit silent operation 1 When Cooling Operation When the outdoor air temperature is lower than 99 F the fan tap must be set to L 2 When Heating Operation When the outdoor air temperature is higher than 39 F the fan tap must be turned to L only for heat pump model 27 7 INSTALLATION MANUAL o Important Notices 1 The unit installation work must be done by qualified personnel according to the local rules and this manual 2 Before installating please contact with local authorized maintenance center if unit is not installed by the authorized maintenance center the malfunction may not solved due to discommodious contacts 3 When removing the unit to the o ther place please firstly contact with the authorized Maintenance Center in the local area Basic Requirements For Installation Position Install in the following place may cause malfunction If it is unavoidable contac
23. the gas to be dis Open the valve at the bottom of the cylinder charged and press the check valve on the charge set to fthe system has been charged with liquid purge the air Be careful of the liquid refriger ant The procedure is the same if using a gas cylinder refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 3 Open the valve Lo side on the charge set and charge the system with liquid refrigerant f the system can not be charged with the spec ified amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 5 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage Removal Procedure 10 Removal Procedure 10 1 Removal Procedure of Indoor Unit Procedure N Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Sten Procedure Pal 1 External features B If ON OFF button is kept pushing for 5 seconds aforced cooling op B NEN cl eration willbe carried out for a approx 15minutes 2 Removing air filters Pull protrusions on left and right sides of panel w
24. throw the remote control Don t let any liquid in the remote control and put the remote control directly under the sunlight or any place where is very hot Signal transmitter AIR HEALTH Se ka huon na x x ey 10380 m m xx aj pjbever Remote control iei TOYOTOMI _ONIOFF ON OFF button Press this button the unit will be started or stopped which can clear the timer or sleeping function of last time a Mode button Press this button the running mode will change as below Mi tini AO AUS COOL Jh DRY Ja FAN TX HEAT Note no for coolling only unit 18 Cnr TEMP F button e When press button the setting temp will be increased by 1C When press button the setting temp will be decreased by 1 C The temp will be changed quickly by pressing the button continuously and setting temp range is 16 730 C FAN FAN speed button Press this button once fan speed will change as below pr Auto a a Low speed m Middle speed aaf High speed Note Under the Dry mode the fan speed isn t adjustable low fan speed is imperative but when operating this button the wireless remote control will send this signal Swing up and down button MZ esa e Simpleness swing mode is defaulted for wireless remote control in this mode press this button could turn on or turn off the Up and down swing function When unit is turned off synchronously press and Up and down sw
25. unit Outdoor ambient temperature sensor malfunction Discharge protection compressor Break circuit and short circuit of outdoor discharge temperature sensor Break circuit and short circuit of outdoor condenser temperature sensor Overheat of carbon fin DC overcurrent Temperature sensor malfunction of carbon fin Lack of Freon or block protection DC input voltage is too high DC input voltage is too low Communication malfunction Setting error indoor and outdoor unit abnormal Error display Repair method Dual 8 display Hi a O08 1 09 47 8S8 GL FE 95 Trj a Ka K d N Fr O SR E ci UA Heating LED pause 3s and blink 7 times Cooling LED pause 3s and blink 13 times Cooling LED pause 3s and blink 3 times Running LED pause 3s and blink 4 times cooling LED pause 3s and blink 5 times cooling LED pause 3s and blink 18 times LED pause 3s and blink 19 times heating Heating and cooling LED blink ll times at the same time heating LED pause 3s and blink 18 times cooling LED pause 3s and blink 10 times cooling LED pause 3s and blink 11 times Heating LED pause 3s and blink 21 times Running LED pause 3s and blink 6 times Heating and cooling LED blink 12 times at the same time Check if the resistance of compressor and resistance to ground is normal If the compressor is
26. wall hook it at the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked on the installation plate 31 Installation Manual For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the speci fied places 4 Run the drain hose at a downward sloped angle Do not form the drain hose into the waved shape Z x p en HU Do not put the drain hose end in the drainage ditch Do not rise the drain hose SEI AX y 6 6 6 Do not put the drain hose end into water A X 5 Put water in the drain pan and make sure that the water is being drained outside Caution Install the drain pipe for proper drainage Improper drainage can result in water dripping inside the room 7 4 INSTALLATION OF OUTDOOR UNIT 4 1 Drainina the Water Holes are provided on the base plate of the outdoor unit to ensure that the defrost water produced during heating opera tions is drained off efficiently If a centralized drain is required when installing the unit on a balcony or wall If the drain port is covered by a mounting base or floor surface place additional foot bases of at least 30mm in height under the outdoor units feet In cold areas do not use a drain hose with the outdoor unit Otherwise drain water may freeze impairing heating performance H Drain water hole IA Bottom
27. 0 7 39 Electric Box Sub Assy 2020228700 2020228 3 The above data are subject to be changed without notice Exploded Views and Parts list Outdoor Unit 1 Cooling Only Models 01433044P i Ze Left Side Plate 20053001 20058001 1 8 Electric BoxAssy 0260325603 0260325602 1 9 oo 30188088 80188100 1 L4 CutofVaeAesy 07133164 07188602 i 15 YGapillary Sub assy 03103936 03068088 1 16 VaveSupot 071300 01718088 1 17 Righi Side Plate Sub Assy__ 9130318001 9180818001 1 18 Handeassy 26235086 26288045 1 19 Themalbafls 26113008 26113005 5 07133189 n no Part Code NO n po PartCode _ Nos pcm NOT AVAILABLE NOT AVAILABLE 22 Compressor and fittings 00103761 00103761 Overload Protector 00181067 00181067 2224300 2224300 2 Cooling amp Heating Models Part Code N Descrip ir cei I eo E AL GAG A128GVR GAG A135GVR 1 oue 22413007 22413007 3 2 Fronte O QI433044P QI488044P 1 3 AWalFowFanSubAssy 10333009001 1033300901 1 4 FanMoor 15013078 15013078
28. 1 5 Motor Support 94708341100 0170838 1 6 Left side Prate 20053001 20053001 1 7 Top Cover Sub Assy 0125304000 0125304001 1 8 EecricBoxAssy 02603256 0260325601 1 9 Mein Boara 30188087 30188068 1 fo Reay 44020882 44020882 2 11 Clapboard 01283088 01233088 1 12 Chassis Subassy 01203909019 02030000P 1 18 CondenserAssy 0113468 oman 1 14 CutofVaeAssy 07183164 WN 1 15 CapllanySubAssy 03103936 03103937 1 16 Vake Support 01713089 071300 1 17 RightSidePlateSub Aesy 0130318001 913081800 1 18 Handleassy 26255086 26233046 1 20 MegneiCol 300040060 LM f 3 21 wayae Assy 0312828700 0312327220 1 22 Gompressorandf ngs 90163781 antere 25 Overload Protector 00181007 00181067 Jo The above data are subject to be changed without notice Troubleshooting 9 TROUBLESHOOTING 9 1 Precautions before Performing Inspection or Repair Be cautious during installation and maintenance
29. 200V Measure voltage between L and N of outdoor wiring block Voltage gt 200V Indoor main board error indoor and outdoor wiring error Outdoor electric box error Adjust wiring Replace main board of indoor unit Replace indoor Replace outdoor electric box and outdoor wiring Remove malfunction 2 Indoor fan does not rotate without feedback Main detection point Is the control panel reliably connected with the electromotor Is it loose Is the connecting sequence correct Is the input voltage within the normal range measure the voltage between L and N of the wiring block XT with AC voltage gauge Malfunction diagnosis process 42 Troubleshooting Energize the unit and start it indoor wiring block Voltage gt 200V Check power supply connecting siate Qt lag connecting terminal Adjust connecting state Reliable connection Replace main board of indoor unit remove the error Remove the error Replace motor GED 3 Temperature sensor malfunction Main detection point Is outdoor ambient temperature within the normal range Is indoor and outdoor fan running normally Is the radiating environment inside and outside the unit good enough Malfunction diagnosis process Energize the unit and start dt
30. 82428 O 1 A2 Evaporator Assy 10022700 01002270 1 13 felicoid tongue 26112486 26112486 1 14 JRearCaseassy 2820211907 2820211807 1 15 Wall Mounting Frame 0128200801 012520180 7 1 716 Electric Box Cover 20122106 20122106 1 17 Electric Box Assy 2020225303 2020225302 1 18 Motor Press Plate 26112181 2 1 19 Electric Box Cover Sub Assy 20122109 20122109 1 20 Terminal Board MUZE onas 1 22 Step Motor anoo 182121070 31 23 Pipe plug outlet 76712020 76712020 1 24 Electric Box 2012088 201120866 25 Motor Sub Assy 15002002 15002000 1 26 Baffle Plate 26122208 261222018 1 27 Fan Motor 15032003 45012083 1 28 Front Case Assy 2001237500 2001237500 JI 29 Remote Controller 30510081 30510061 1 30 Powerco 40020443 4002046435 1 31 Connecting Cable 400205236 400205236 1 32 SerewCower 24252009 28852019 31 33 Main Board 30138224 30188120 1
31. Bog R122 RI23 GRIZ4 3 cis loo a n r1 nja LI Oo n OIS5 AL L Q SE R203 7 E PAM_GND M e TI T OIS8 UL gt 2 ERR e N Pi Z013 ZD12 o LILILILI a gono RION Cy NNNNEIJNN nte I Q QGaGOGOJ xacduoc nm C10 900uF 230V Co E O HL3 m O 1 5 CN LJ HA1 BRN RI Em e 179 SIZE 195 S80 cxx SOOO OC DB2 EE R210 DB1 R218 R219 R222 R223 R220 R221 R204 R211 CS 900uF 230V DOWN 8 SCH Su ally en N nine Bg u U LILIE n N a nnno LILILIS oo N a Hs 1 ES N co KI BE REN 8 gr III ou R213 fiber R226 R228 R224 woad C80 C83 0 1 2 3 4 5 6 7 81S 1112 21 22 31 32 41 42 HR2 ORG io n N Bn Ka SU Q5 LI 1 e SLI on NE SU 1 Me du S E 3 LI B amp NE SON Lil amp LI R232 LL da RIGHT THAJ 15 Schematic Diagram 2 Power Supply PCB e FRONT VIEW e BOTTOM VIEW Schematic Diagram 2 Rreiector PCB e TOP VIEW 1331 NMOQ SEK LHS TA e BOTTOM VIEW T 33 D16 CO CE C161 4 DO C571 D15 1 R54 LDO UL C57 R52 R51 R53 HD DD Q3 df MWOO Function and Control 6 Function and Control 6 1 Remote Control Operations Note Be sure that there are no obstructions between receiver and remote control Don t drop or
32. COM OUT BLACK DI5 C19 R48 rir nnan LILILI R27 8 MMM pg SEE term E Jl C c4 Ui c 9 Ll RESET CE CNUSS U13 N mm LILI CH 2 a D 2 E A LI Co cs c N D7 ao c29 CJ R46C 7 Q Q3 R34 C T Tes kep Joo a T HEAT ROOM SHING UD RIS R117 eg ea leie TD ms R73 resh J R20 R50 R38 R35 R40 R120 R77 w TIN 12U 2 Displav PCB 8 Power Supply PCB 14 zero line vire under voltage Schematic Diagram Schematic Diagram Outdoor Unit 1 Control PCB e TOP VIEW e BOTTOM VIEW LEFT THDIA RC2 R44R43 R42 R41 CH 95 cacacacan amp Ng V 0184 Ung nn be Lic a ULI N R193 C136 o C135 RED z d tr C133 cacas YLW 1 Erde E 1637 Xx R103 CZ 5 R104 r3 V R102 C115 R E3 C 039 RI E3 E 3040 O F3 CIC41 w E EIC34 S10 GER ES race BLU f 1015 NE R99 o 75 CI CI a a E3 C2S GC 3C70 E3 C45 1816 OU JES Rif a EA Ea FC R93 MANM THI oe T 830555 LILILI ER UL LI LI J o LOND DO 1 F 1o31 Yo uuu DON Qr Q UUW H ALC A Ic10 Oo mwan aur Q CGO D24 EI x DC C85 A Da e Ka LO o RSS NON 18127 Bri28 O 5 SH Sala TI amp R123 Eb pub E255 nus
33. E GAN GAGA128GVR Function COOLING COOLING HEATING Rated Voltage 220 240V 220 240V Eegenen MC 98 Inverter different Compressor pai ETEN inverter different Compressor Power Input Inverter different Compressor Low 200 Raedipu oo o wio 1420 140 150 Rated Current A 63 D 68 9 Ar Flow Volume 520 meth 370 370 280 m oe oe Energy Class Inoorunt NOTAVAILABLE GANAI286VR O Fan Motor Speed M rmn 900 XJ212 0 3 O 900 J J Fan TT Bemsertengk mm I po asia Evaporator TJ Kuminum fin copper tube Aluminum fin copper tube coil vvidth L Swing Sound Pressure Leve Sound Power Level 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 Heating Indoor air temperature 20 C D B Outdoor air temperature 7 C D B 6 C W B Specifications Mandacwemademak omeen DHdakn eine A O CS mf RA Juaj 208 CE n n LE Sr Patel Jom 98 1 r eem we E54 Pressure for the Discharge Side n e EOOCTE i ET Dimension WD m 666650275 A rn Ir _ _ _ _ Wim Xe 94 94 NT RE LTT The above data is subject to change without notice Please refer to the nameplate of the unit Specifications Models GAN GAGA135GVR Moa NOTAVAILABLE
34. GANIGAGAISSGVR Sen High Hz RRC Inverter different Compressor Standard Hz z2 72 78 speed Cow qnc li ae 71 zi Total Capacity Inverter different Compressor speed Low W Btuh 600 2000 60012000 600 2000 _ Power Input High W i40 145 150 Inverter different Compressor speed Low 220 EE Ar Flow Volume hcic JI gri M mn dr i mm 90 9 07 Dehumidiyingvoume m 18 18 ERICOP WW 323 321880 EnegyClass AA AA SOSO Indoor unit o NOTAVAILABLE GANAISSGVR n Fan Motor Speed Evaporator 3 Auminumf coppertube Aluminum fin copper tube e n RowFiGap coil width L Swing Motor Output TW 18 18 S SO Fue A PCB31A POBSISR O Sound Pressure Level Sound Power Level H BA 49 s L ea 35 3 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 Heating Indoor air temperature 20 C D B Outdoor air temperature 7 C D B 6 C W B Specifications Wanacwerrademak Omen O Dren CZ 4 RAS DA E Power met W 83W EEN COCOS SI o o oS qRA Ta o o 0886 n Ded 2 LR n WrrowWumesOwiorU mi 188 388 on n EE Moisture Protection Protection PA DO PA Cn Pressure for the Discharge Side Permissible E Sound Pressure Leve
35. age the wireless remote control Q The operation should be in its receiving range it should be placed at where is 1m away from the TV set or stereo sound sets Q If the wireless remote control can not operate normally please take them out Sketch map for after 30s later and reinsert if they cannot normally run please change them changing batteries 6 3 Unit indlcation section 1 When the unit is energized all the display marks will be shown and only the power LED lights LILI 2 When the unit is turned on remotely the power LED goes out while LILI C the current setting running mode is displayed B 3 During defrosting H1 is displayed in dual 8 66 TN COOL DRY 4 In normal situation the setting temperature is displayed in dual 8 place 5 When the signal of displaying indoor temperature or outdo or temperature is received from the controller the corresponding temperature will be shown in dual 8 place It resumes displaying setting temperature 5s later o b HEAT RUN 6 4 Unit ON OFF button If the wireless remote control is lost or broken please use the manual switch button At this time the un Auto mode but the temperature and fan speed cannot be changed The operation was shown as below To open the panel the manual switch is on the displayer box COOL light blue DRY light green RUN light red HEAT light orange Unit ON OFF button it will run at the e T
36. alled location should be 250cm or more from the floor 6 Select a place about 1m or more away from TVset or any other electric appliances 7 Select a place where the filter can be easily taken out 8 Make sure that the indoor unit installation should accord with installation dimension diagram requirements 9 Do not use the unit in the immediate surroundings of a laun dry a bath a shower or a swimming pool 2 Outdoor Unit 1 Select a location from which noise and outflow air emitted by unit will not inconvenience neighbors animals plants 2 Select a location where there should be sufficient ventilation 3 Select a location where there should be no obstructions cover the inlet and outlet vent 4 The location should be able to withstand the full weight and vibration of the outdoor unit and permit safe installation 5 Select a dry place but do not expose under the direct sunlight or strong wind 6 Make sure that the outdoor unit installation dimension should accord with installation dimension diagram convenient for maintenance repair 7 The height difference of connecting the tubing within 5m the length of connecting the tubing within 10m 8 Select a place where it is out of reach for the children 9 Select a place where will not block the passage and do not influence the city appearance 7 3 INSTALLATION OF INDOOR UNIT 1 Installina the mountina plate The mounting plate should be installed on a wall which can sup po
37. an as F pressure in refrigerating OO drain may l 4 cycle and this results in pipe eak breakage or personal injuries Drain hose Extension drain hose Connecting wires M Pay attention so that the residual water in the drain pe ee gt p Se Se SS will not make the floor wet ei EN SI Disconnect the flare nut e ke A LA SU for gas piping by 2 wrenches d Sa y SITR Si In case that a drain hose is SSS buried inside a wall remove it after the drain hose in the wall is pulled out Disconnect the flare nut for liquid piping by 2 wrenches Use two wrenches to disconnected pipes se ee Mi T NH ZI N Cs 5 MORAL NNT cover every nozzle with caps E AJET Al SA Q so as not to let dust and a Re When disconnecting pipes N moisture in GS Renoval Procedure EPI Procedure Fos 9 Remove the indoor unit a When the pipings are 1 Remove the indoor unit disconnected protect the from the installation 7 Si B both openings from entering plate EK FX moisture Sa Liquid piping Gas piping Auxiliary piping Piping fixture 2 Release the hook of the an piping fixture on the Beit A nn ll back of the unit I OE REATI A
38. bol Symbol Color symbol wn mm BN BROWN YELLOW GREEN PROTECTIVE EARTH Outdoor Unit Lt Een a PONI PCRL PRINTED OIRGUIT BOARD vwe POW STOISTIS4OISTONSA0IS90 CONNECTOR LR RED SN emo S YELLOW GREEN 5 2 Electrical wiring These circuit diagrams are subject to change without notice please refer to the one supplied with the unit i Indoor Unit IN 000 0 D IN HAL H L H AL H N N I VAPO A 0 COOL PASHA N AO NO he parts with bro en line is applicable to the models with cold plasma function 12 Outdoor Unit Models NOT AVAILABLE Dip 0 E 0 E SENSO E SENSO E SENSO EKS 0 BE 00 DE E SENSO E SENSO E SENSO x4 Y Y Y vx YE N C BO EEC IC BOX RO x YE N s IE ZN WA NIN wa O FN Please don t touch any terminal when the oltage of D E S 0 0 terminal DC and DC at PCB2 is higher than 30V to pre entthe ris of electrical shoc Schematic Diagram Schematic Diagram 5 3 Printed Circuit Board Indoor Unit 1 Control PCB e TOP VIEW oe empor sl at a T3 15AL 250U V Zh isa 20007 TIA FUL R101 R103 LL L L R100 R102 DS Ce TIOAL 250U 1 R104 GND R105R106 D4 e BOTTOM VIEW KDS mI UL R2 pe R28 LLLI m o 1 2 s sper os N ki RCI BLUE gt x M L HEAT N WHITE TE BLACK L N X LI S L101 HEAT L K2 L OUT BROUN N
39. ce compressor C ome 3 Replace parts of outdoor electric box N Replace compressor pn Replace outdoor fan 44 Troubleshooting 6 Diagnosis of overload and discharge malfunction Main detection points Is electric expansion valve well connected Is it damaged Is refrigerant leaked Isoverload wire connection normal Malfunction diagnosis process 7 Process of communication circuit detection 6 communicatig error is displayed s connecting wire reliably eonnected eplace main board of indoo unit Remove malfunction Replace parts of outdoor electrice box Omin after de energization of complete uni Is electric expansion valve well connected Is overload wire reliably connected ke Y Replace electric expansion valve Remove y Adjust connecting wire malfunction N y Replace parts of outdoor electric box Remove malfunction N Y Refrigerant leakage recharge the refrigerant Cm 45 9 5 2 way 3 way Valve Appearance 2 way Valve Liquid Side Hexagonal wrench 4mm Flare nut j _ Open position Closed position A en E To piping i connection To outdoor unit Shaft position Shaft position Closed Closed with valve cap with cap n Closed pping with valve
40. d Parts list 8 EXPLODED VIEWS AND PARTS LIST 8 1 Exploded View 6 Indoor Unit DI L of E Ki LLL 34 Exploded Views and Parts list Outdoor Unit 1 Cooling Only Models Exploded Views and Parts list 2 Cooling amp Heating Models ALLL LIC YN eee SS Exploded Views and Parts list 8 2 Parts List Indoor Unit SC Part Code N n poate E NOT AVAILABLE GAN A128GVR 1 becorative Sup 2012 20192282 JI 2 FrntPand 2012325011 20012325017 1 3 Filter Sub Assy 111220820 1112208200 2 4 Fentcase 20012824 2012324 1 5 Guide Lower 10512119 1052218 1 6 Wouer 10512160 10522160 2 7 Shaf of guide ouver 1054202000 1054202001 2 8 Front Panel Assy 2001287601 200123760 1 9 Drainage Pipe Sub assy 0523204101 0523204101 1 10 Evaporator Support 28212108 28212108 1 TT es Flow Fan 10352428 108
41. e D value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequency previously calculated 2 control If the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the AD value obtaining the fixed AD value When the AD value is small lower the frequency When the AD value is large increase the frequency 3 Frequency management when other controls are functioning When frequency is drooping Frequency management is carried out only when the frequency droops For limiting lower limit Frequency management is carried out only when the frequency rises 4 Upper and lower limit of frequency by PI control The frequency upper and lower limits are set depending on indoor unit When low noise commands come from the indoor unit or when outdoor unit low noise or quiet commands come from indoor unit the upper limit frequency must be lowered than the usual setting 6 8 3 minutes Standby Prohibit to turn ON the compressor for 3 minutes after turning it off except when defrosting 6 9 Compressor Protection Function When turning the compressor from OFF to ON the upper limit of frequency must be set as follows The function must not be used when defrosting Frequency FCG 3 FCG3 BOSE FCG2 FCG1 TCG2 TCG3 TCG 1sec L TCG 2sec TCG 3sec Time Function and Control 6 10 Discharge Pipe Control
42. ection and re flare it Smooth all round Inside is shiny without scratches P d d Improper flaring Inclined Surface Gracked Uneven damaged thickness Even length all round 29 3 2 Connection of piping 1 Align the center of the pipes and sufficiently tighten the flare nut 08 Indoor unit tubing Flare nut Pipes 2 Tighten the flare nut with a wrench Indoor unit tubing Outside diameter mm inch 26 35 1 4 29 52 3 8 512 7 1 2 15 88 5 8 519 05 3 4 4 Drain hose junction If drain hose extension or embedded drain piping is required use appropriate parts that match the hose front end Insert drain hose into the handle of drain pan and join drain hose and connecting hose according to the figure by Shield pipe SC Z S Drain hose Inside the room Extension drain hose AN CAUTION Insert the drain hose and drain cap into the drain port mak ing sure that it comes in contact with the back of the drain port and then mount it If the drain hose is not connected properly leaking will occur Attach the Insulation Drain hose to the drain hose Insulation Drain hose Drain hose 5 Wirina Connection Wiring the connecting cable can be carried out without remov ing the front panel 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp 3 Insert the
43. en outdoor malfunction or protection stoppage happen the indoor fan will remain the original running state and the error LED will light 3 FAN MODE E 1 In this mode the indoor fan may run at high medium low and automatic speed The compressor outdoor fan and 4 way valve all stop running 2 In this mode the range of setting temperature is 16 30 C 61 86 H e wi 4 HEATING MODE Cooling Heating Cooling 1 Heating mode operation operation operation When setting temperature indoor temperature lt 1 SC Su TCI S ui With compressor capacity supplied the unit will stop heating Both outdoor fan and indoor fan will stop later l With no compressor capacity supplied When setting temperature indoor temperature gt 1 5 C and it lasts for a 6 AUTO FAN SPEED MODE certain period the unit will start heating In that case indoor fan outdoor fan n auto fan speed mode the rotational speed of the fan for indoor unit is and compressor will start running The indoor fan works according to the decided by the differential temperature between ambient temperature and setting temperature In dehumidifying mode the automatic fan speed is anti cold air forced to be low In this mode the range of setting temperature is 16 30 C 61 86 H INDOOR FAN CONTROL A Setting temperature indoor temperature No of unit A Super high High fan Medium Low fan j mode pu type fan speed speed fan speed speed i C
44. epair electrical parts and wiring Keep your fingers and clothing 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 The unit must be properly earth connected N Caution Never indtall on the place where a combustible gas might leak The gas may ignite or explode when the gas leaks and collects in surround of the unit When the unit is installed at telecommunication centers or hospitals take a proper provision against noise When installing at a watery place provide an electric leak breaker Do not wash the unit with water Be very careful about unit transportation The unit shoukd not be carried by only one person if it is more than 20kg It occasion ally causes the damage of th unit and health to be impaired Do not touch the heat exchanger fins whth your bear hands Doing so may cut your hands Do not touch the compressor or refrigerant piping whithout wearing glove on your hands Touching directly such part can cause a burn or frostbite as it becomes high or low temperature according to the refrigerant state Do not operate the air conditioner without the air filter set place Dust may accumulate and cause a failure At emergency if you smell something burning stop opera tion and turn the power source switch off Specifications 2 SPECIFICATIONS 2 1 Unit Specifications NOT AVAILABL
45. et the ambient temperature will adopt the sensor sampling value of AC itself If power off happens this function will not be memorized 23 Function and Control 6 6 Temperature ensor malfunction detection 1 Indoor temperature sensor Detect malfunctions of temperature sensor any time 2 Indoor pipe temperature sensor In defrosting period the temperature sensor malfunction will not be detected 5 min after finishing defrosting the system begins to detect the temperature sensor malfunction In other times the temperature sensor malfunction will be detected 3 Protection of temperature sensor 1 When short circuit occurs to the temperature sensor for 30s The temperature sensor overheats In this case the complete unit will stop for protection At the same time the temperature protection and temperature sensor malfunction will be shown 2 When break circuit occurs to the temperature sensor for 30s The unit will stop and the temperature sensor malfunction will be displayed 6 7 Frequency Control Frequency Initial Setting lt Outline gt When starting the compressor or when conditions are varied due to the change of the room the frequency must be initialized according to the D value of the indoor unit and the Q value of the indoor unit Q value Indoor unit output determined from indoor unit volume air flow rate and other factors PI Control Determine Frequency Up Down by AD Signal 1 P control Calculat
46. frame AS Drain plug Hose available commercially inner dia 16mm 4 2 Refrigerant Piping Connection Remove the Valve cover from the unit by loosening the screw Align the center of the pipings and sufficiently tighten the flare nut by hand Finally tighten the flare nut with torque wrench until the wrench clicks Outdoor unit Liquid side piping Smaller diameter A 2 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there is no gap 4 3 Evacuation After the piping has been connected to the indoor unit perform the air purge AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump Do not use the refrigerant in the outdoor unit For details see the vacuum pump manual Air purging with vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that oil inside the pump does not flow back into the air conditioner pipes when the pump stops If oil inside the vacuum pump enters into the air conditioner circuit which uses R410A trouble with the refrigeration system may develop 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 32 Installation Manual 4 Operate the
47. ft and right swing button oimpleness swing mode is defaulted for wireless remote control in this mode press this button could turn on or turn off the Left and right swing function When unit is turned off synchronously press and Left and right swing buttons it could be switched between the simpleness swing mode and stationary swing mode at this time 7A blinks 2 seconds In Stationary swing mode press this button the angle for Left and right swing as show in below mwn mwn men em mm INN 7 ko OFFS Sum When left and right swing louver is working when turn off the unit the siwing louver will immediately stop at current position A shows left and right swing louver swings back and forth as show in the above figure 6 2 Changing batteries and notices 1 Slightly to press the place with along the arrowhead direction to push the back cover of wireless remote control As show in figure 2 Take out the old batteries As show in figure Insert two new AAA1 5V dry batteries and pay attention to the polarity As show in figure 4 Attach the back cover of wireless remote control As show in figure X NOTE Q When changing the batteries do not use the old or different batteries otherwise it can cause the malfunction of the wireless remote control If the wireless remote control will not be used for a long time please take them out and don t let the leakage liquid dam
48. ime After 3 How to Check simplythe main part turning off the power source if touching the charging section before discharging an electrical shock may be caused The outdoor unit can be open after the unit is de energized for 20min 9 2 Confirmation 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally 9 3 Judgement by Flashing LED of Indoor Outdoor Unit 40 Troubleshooting code malfunctio n Storage slug Indoor PCB malfunctio n Anti freezi ng protection Overload of system No motor of indoor unit feedback Indoor pipe temperatur e sensor malfunctio n Internal ambient temperatur e sensor malfunctio n Zero passage abnormal Overload of compresso r Startup failure A A 99 N A gt No motor of outdoor unit feedback N Overcurren t protection LA 4 way valve conversion abnormal Phase current detection malfunctio n of compresso r remarks 4s Error display Dual 8 display ri N T T a E ki N E te tr Ez C as esi d Di les tri A C z Heating LED pause 3s and blink 15 times Heating LED pause 3s and blink 15 times Running LED pause 3s and blink 2 time
49. in the last control before it is de energized the system will memorize the last timer setting The setting time is recalculated since the energization of the unit If the timer function is set in the last control and the setting time is reached before the unit is de energized the unit will run according to the previous running mode after it is energized again But the timer function will terminate The clock will not be memorized 11 Turbo function In cooling and heating mode not available in auto dehumidify fan mode press the Turbo button the fan speed displayed super high speed in the remote controller and the indoor fan rotates at super high speed 12 Health function When the indoor fan motor is running the Health function is set by pressing remote controller If there is no Health button on the remote controller the Health function opening is defaulted 13 I Feel function If the remote controller receives the I Feel order the controller will work at the ambient temperature value which is sent by remote controller Except the defrosting and anti cool wind which still adopts the sampling value of AC itself ambient temperature sensor the remote controller will send ambient temperature value to controller at intervals If the controller hasn t received the ambient temperature value from the remote controller for long time then it will run accroding to the current ambient temperature of AC If the function has not been s
50. ing buttons it could be switched between the simpleness swing mode and stationary swing mode at this time ES SI blinks 2 seconds In Stationary swing mode press this button the angle for Up and down swing as show in below N N SE E ES A OFF s lt When up and down swing louver is working when turn off the unit the siwng louver will immediately stop at current position shows up and down swing louver swings back and forth as show in the above figure Function and Control AUTO AFAN ag OPER AIR HEALTH BLOW um win F FILTER CO e TURBO amm am C A a HOUR aj ada ka D z Has oe e e Li e TOYOTOMI SAM HEALTHISAVE button HEALTH function there is no this function for this unit If press this key the main unit will click but it also runs under original status Remote control e Save energy function this unit has no this function press this button the mian unit will click SE will be displayed on the LCD of wireless remote control fan speed automatically rotates when repress this button the fan speed will run at previous setting fan speed TURBO Turbo button Set turbo on or off the characters of turbo will appear or disappear by pressing this key under cooling or heating mode Once energized the unit will be defaulted to be turbo off This function can not be set under auto dehumidify or fan mode and characters of turbo won t appear
51. ion is set when the system is off the system will start running in the previously set mode when the setting time is reached Timer off if the timer off function is set when the system is off the system will keep off even though the setting time is reached If the timer off function is set when the system is on the system will stop running when the setting time is reached Timer modification when the system is under timer state start or stop of the unit can be set via remote ON OFF button and the timer can be reset The system runs according to the latest setting state When both the timer on and timer off are set the system runs according to the current setting state When the setting time is reached the unit will start and stop running In that case the unit will run according to the previously setting mode when the setting time for timer on is reached The unit will stop running while the setting time for timer off is reached If the setting time for timer on and timer off is the same the unit will stop running no matter what the current state is 10 Auto restart Function Memory mode up and down swing light setting temperature setting fan speed general timer not clock Fahrenheit Celsius After de energized the unit can run according to the memory if it is energized again If the timer function is not set in the last remote control the system will run according to the last remote control If the timer function is set
52. ith fingers and open front grille all the way 2 Lift center section of air filter and disengage Air filter hooks B Left and right filters are interchangeable HM To re install insert air filter along the guide 3 Remove air filter by pulling forward 53 Removal Procedure Step Procedure Ponts Support the front panel by one hand while remove the rotation 3 Opening and shuttingfront panel Pull down horizontal blade by pulling forward axis at the upper center by the other hand M And pull out the front panel forward to remove Horizontal blade Remove horizontal blade by pulling forward Hook a finger onto the projection part provided on the both sides of the units panel and open B Left and right filters are interchangeable up the panel to the position higher than it M To re install insert air filter along the guide will stop IN AI SE R au T us Im Im TITTI I
53. l amount of refrigerant leaked e Procedure 1 Connect the vacuum pump to the center hose of charge set center hose 2 Evacuation for approximately one hour Confirm that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less Outdoor unit 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oll If the vacuum pump oil becomes dirty or depleted replenish as needed 51 Troubleshooting Gas Charging After Evacuation Outdoor unit Check valve Charging cylinder s Lo 1 open KAZA e Procedure This is different from previous procedures 1 Connect the charge hose to the charging Because you are charging with liquid refrigerant cylinder Connect the charge hose which you dis con nected from the vacuum pump to the valve at the bottom of the cylinder f you are using a gas oylinder also use a scale and reverse the cylinder so that the sys tem can be charged with liquid from the gas side absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner 4 Immediately disconnect the charge hose from the 3 way valve s service port 2 Purge the air from the charge hose Stopping partway will allow
54. l feo s f Oso oOo o SoundPowertewi eo s 8 wm o feo o O oo oOo NE LLLI i The above data is subject to change without notice Please refer to the nameplate of the unit Specifications 2 2 Operation Characteristic Curve Cooling 2 3Capacity VariationRatioAccordingto Temperature Condition Indoor DB 27 C WB19 C Indoor air flow Super High Pipe length 5m Voltage 230V 0 20 40 60 80 100 120 Compressor Speed rps Cooling 110 100 90 9 3 9 80 Pan O 70 Condition Indoor DB27 C WB19 C 60 Indoor air flow Super High Pipe length 5m 50 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp C Heating 8 Current A 120 100 Capacity ratio A O Condition Indoor DR 20 C Indoor air flow Super High Pipe length 5m Voltage 230V 20 40 60 80 100 120 Compressor Speed rps Heating Co D 20 Condition Indoor DB20 C Indoor air flow Super High Pipe length 5m 0 Outdoor temp C Specifications 2 4 Operation Date Cooling Temp Condition C Model Standard Indoor Fan Outdoor Compressor epee Mode Fan Mode E mn 0910141 9 to 1 1 27 19 35 24 909111 I super High 930rpm Heating Temp Condition c Model Standard Indoor Fa
55. n Outdoor Compressor Pressure Mpa Mode Fan Mode EH 20 NL MN aa Super High 930rpm NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 m 2 5 Noise criteria curve tables for both models Indoor side noise when blowing 94 52 50 48 46 Noise dB A Noise dB A 44 42 Low Middle High 40 20 30 40 50 60 ZU 80 Compressor frequency Hz Indoor fan motor rotating speed Constrction views 3 Construction Views 3 1 Indoor Unit Refrigerant System Diagram 4 Refrigerant System Diagram 1 Cooling Only Models INDOO NI O DOO NI AS SID OK OK 3 WA VALV d HA l CHAN VAPO A O Accumlator COMP SSO HA CHAN COND NS LI IDSID K K OU i 2 WA VALV Strainer Capillary Strainer COOLIN 2 Cooling amp Heating Models INDOO NI O DOO NI AS SID Ja ple pm 3 WA VALV l 2 gt HA a CHAN i VAPO A O COMP SSO HA CHAN COND NS Y LI ID SID T RK RK OU E a 3 WA VALV Strainer Capillary Strainer 1 COOLIN lt H A IN Refrigerant pipe diameter Liquid 1 4 6 mm Gas 3 8 9 52 mm 10 Schematic Diagram 5 Schematic Diagram 5 1 ELECTRICAL DATA Meanina of marks 6 Indoor Unit Symbol Color sym
56. ng temperature will rise by 1 jae 2 hours later the setting temperature will rise by 2 jae After that the setting temperature will not change any more T set 4 2 o C Set temp T set T set eae Fa L dh zh po a About 2h 3 In heating mode 1 hour after the sleep curve is set the setting temperature will decrease by 1 jae 2 hours later the setting temperature will decrease by 2 jee After that the setting temperature will not change any more 1h 2h About 2h Les LI Set temp Tset Je e C a 10 TIMER FUNCTION The main board has general timer function and clock function The timer function can be selected by remote controller with different function 1 General timer start and stop time can be set The accuracy is minute E g timer on for 1 hour timer off for 1 5 hours Timer on after setting timer on the unit will run at setting time according to the original setting mode The timing interval is 0 5hour and the setting range is 0 5 24hours Timer off the timer off function can be set when the unit is on When the setting time for timer off is reached the unit will stop The timing interval is 0 5hour and the setting range is 0 5 24hours 2 Clock start and stop time can be set The accuracy is minute E g timer on at 8 00a m timer off at 17 30p m Timer on if the timer on function is set when the system is on the system will go on running If the timer on funct
57. normal the outdoor main boar d may be wrong Replace outdoor main board Is it loose Measure the resistance value with universal meter Is it loose Measure the resistance value with universal meter Is it loose Measure the resistance value with universal meter Is it loose Measure the resistance value with universal meter Is outdoor ambient temperature is too high Is mounted correctly radiator Replace outdoor main board Is voltage of AC power supply normal Is voltage of AC power supply normal Is outdoor connecting wire reliably connected Outdoor unit is not matched with indoor unit 4min after protection stop of compressor the malfunction is shown in error code In other situation the malfunction will be displayed by press the light button for 6 times within 41 Troubleshooting 9 4 How to Check simply the main part 1 Malfunction of power supply from indoor unit to outdoor unit Main inspection point Inspect the power supply plug seat with AC voltage gauge to check if the voltage between L and N is within 200VAC 240VAC Check with AC voltage gauge if the voltage between N 1and 3 of indoor wiring block is within 200VAC 240VAC Check with AC voltage gauge if the voltage between L and N of outdoor wiring block is within 200VAC 240VAC Energize the unit and wait for 3min Measure voltage between N 1and 3 of indoor wiring block Voltage gt
58. o 1 8 kgf m Service port 14 to 18 N m 1 4 to 1 8 kgf m Cap Hexagon wrench 4mm 4 4 Wiring Connection 1 Strip the insulation from the wire 20mm 2 Connect the connection wires between the indoor and outdoor units so that the terminal numbers match Tighten the terminal screws securely The screws are packed with the terminal board Terminal block LI PI II rie T D Connecting cable 7 5 Test Operation 1 Check that all tubing and wiring have been properly connected 2 Check that the gas and liquid side service valves are fully open 5 1 Gas Leak Test Check the flare nut connections for gas leaks with a gas leak detector and or soapy water Check places for outdoor unit 5 2 Test Runing 1 Switch on power press ON OFF button on the wireless re mote control to start the operation 2 Press MODE button to select the COOL HEAT Cooling only unit is not available FAN to check whether the operation is nor mal or not Perform test operation and check items 1 and 2 below 1 INDOOR UNIT 1 Is operation of each button on the remote control unit normal 2 Does each lamp light normally 3 Do the air flow direction louver operate normally 4 Is the drain normal 2 OUTDOOR UNIT 1 Is there any abnormal noise and vibration during operation 2 Will noise wind or drain water from the unit disturb the neighbors 3 Is there any gas leakage 33 Exploded Views an
59. om right right rear left left rear Right side right back or right bottom piping 1 After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Attach the drain hose to the underside of the refrigerant pipes with an adhesive vinyl tape 2 Wrap the refrigerant pipes and drain hose together with an insulation tape CUT 6 Bind vvith vinyl tape Right piping Pipe top Rear piping Bottom Indoor unit drain hose piping bottom Left side left back or left bottom piping e Interchange the drain cap and the drain hose C N CAUTION 1 In order to align the drain hose and drain cap be sure to insert securely and vertically Incline inser tion will cause water leakage 2 When inserting be sure not to attach any material besides water If any other material is attached it will cause deterioration and water leakage 3 After removing drain hose be sure not to forget mounting drain cap 4 Be sure to fix the drain hose with tape to the bottom of piping 5 Prevent drain water frozen under low tempera ture environment When installing indoor unit s drain hose outdoors necessary measure for frost protection should be taken to prevent drain water frozen Under low temperature environment when outdoor tem perature under 32 F after cooling operation is executed water in the drain hose could be frozen Once drain water is f
60. quency will be 2 Hz drooping Repeating the above drooping continues until the current rushes on the drooping zone without change In the keep zone the frequency limit will remain In the return reset zone the frequency limit will be cancelled Limitation of current drooping and stop value according to the outdoor air temperature 1 In case the operation mode is cooling The current droops when outdoor air temperature becomes higher than a certain level model by model 2 In case the operation mode is heating The current droops when outdoor air temperature becomes higher than a certain level model by model 6 12 Freeze up Protection Control Outline 25 Function and Control During cooling operation the signals being sent from the indoor unit allow the operating frequency limitation and then prevent freezing of the indoor heat exchanger The signal from the indoor unit must be divided into the zones as the followings Detail Conditions for Start Controlling Judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start Control in Each Zone Heat exchanger thermistor temperature Return Reset zone Up zone Keep zone Drooping zone Stop zone 6 13 Heating Peak cut Control Outline Heat Pump Only During heating operation the signals being sent from the indoor unit allow the operating frequency limitation and prevent abnormal high pressure The signal
61. rozen the drain hose will be blocked and water leakage may be resulted for indoor unit For left outlet piping cut off the piping outlet cutting groove with a hacksaw Remove the drain cap by pulling at the projection at the end of Drain cap the cap with pliers etc Indoor unit drain hose 1 After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Slit 2 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there is no gap Plastic bands Insulation material Mr CI TA pra A 3 Wrap the area which accommodates the rear piping housing Section with vinyl tape Indoor unit pipe Vinyl tape wide Indoor unit Connecting cable Installation plate 4 Bundle the piping and drain hose together by wrapping them with vinyl tape for enough to cover where they fit into the rear piping housing section Indoor unit installation 1 Pass the drain hose and refrigerant pipes through the wall hole then set the indoor unit on the mounting plate hooks by using the markings at the top of the indoor unit as a guide A Mounting plate 2 Swing the indoor unit to right and left to confirm that it is firmly hooked on the installation plate 3 While pressing the indoor unit onto the
62. rt the weight of the indoor unit 1 Temporarily secure the mounting plate to the wall make sure that the panel is completely level and mark the boring points on the wall 2 Secure the mounting plate to the wall with screws 28 Installation Manual Recommended mounting plate retention spots and dimensions Use tape measure Recommended mounting plate as Shown t retention spots 5 spots mn all AEN Hd Position the end of a tape measure at 101 241 7 Through the wall hole 65mm Keep here the piece cut out Drain hose from the unit for piping position Unit mm The removed pipe port cover can be kept in the mounting plate pocket Removed pipe port cover OB ad a Mounting plate E l F 2 Borina a wall hole and installina wall embedded pipe For walls containing metal frame or metal board be sure to use a wall embedded pipe and wall cover in the feed through hole to prevent possible heat electrical shock or fire Be sure to caulk the gaps around the pipes with caulking mate rial to prevent water leakage 1 Bore a feed through hole of 65mm in the wall so it has a down slope toward the outside 2 Insert a wall pipe into the hole 3 Insert a wall cover into wall pipe 4 After completing refrigerant piping wiring and drain piping caulk pipe hole gap with putty Inside X Outside Wall embedded pipe
63. s Heating LED pause 3s and blink 4 times LED pause 3s and blink 11 times Running cooling LED pause 3s and blink 2 times Cooling LED pause 3s and blink 1 times Heating and cooling LED blinks 7 times at the same time heating LED pause 3s and blink 3 times heating LED pause 3s and blink 11 times Heating and cooling LED blink 8 times at the same time Running LED pause 3s and blink 5 times cooling LED pause 3s and blink 20 times Heating LED pause 3s and blink 13 times Repair method Replace indoor main board Replace indoor main board Outdoor ambient temperature is too low System is abnormal check if the evaporator and condenser is dirty and blocked Is electromotor mounted normally Is it loose Measure the resistance value with universal meter Is it loose Measure the resistance value with universal meter Replace indoor main board Inspect connection state of the overload wire Check if the resistance of compressor and resistance to ground is normal If the compressor is normal the outdoor main boar d may be wrong This malfunction may happen when outdoor DC electromotor is used Is electric network variable Replace 4 way valve Replace outdoor main board co de 15 ON Ko oo N N N N N N N N N A Nn HA 09 N lanvi N oo Sync failure Current diction malfunction of complete
64. service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm g Troubleshooting Outdoor unit 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 3 to 5kg cm g 8 Disconnect the charge set and mount the 2 way and 3 way valve s stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage Troubleshooting Re air Purqina cylinder A OPEN mn CLOSE Procedure 1 Confirm that both the liquid side valve and the gas side balve are set to the closed position 2 Connect the charge set and a gas cylinder to the service port of the Gas side valve Leave the valve on the gas cylinder closed 3 Air purging Open the valves on the gas cylinder and the charge set Purge the air by loosening the flare nut on the liquid side valve ap proximately 45 or 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on liquid side valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve
65. t with service center please Place where strong heat sources vapors flammable gas or volatile object are emitted Place where high frequency waves are generated by radio equipment welders and medical equipment Place where a lot of salinities such as coast exists Place where the oil machine oil is contained in the air Place where a sulfured gas such as the hot spring zones is generated Other place with special circumstance 7 1 Tools Required for Installation not supplied 1 Gauge manifold 2 Electronic balance for refrigerant charging 3 Phillips head screwdriver 4 Knife or wire stripper 5 Carpenter s level 9 Hammer 10 Drill 11 Tube cutter 12 Tube flaring tool 13 Torque wrench 14 Adjustable wrench 15 Reamer for deburring 16 Vacuum pump For R410A 17 Gas leakage detector Installation Manual 7 2 Installation Position Selection 1 Indoor Unit 1 The air inlet and outlet vent should be far from the obstruction make sure that the air can be blown through the whole room 2 Select a position where the condensing water can be easily drained out and the place is easily connected for outdoor unit 3 Select a location where the children can not reach 4 Can select the place where is strong enough to withstand the full weight and vibration of the unit And will not increase the noise 5 Be sure to leave enough space to allow access for routine maintenance The height of the inst
66. tly Loose wiring may cause over heating at connection points and a possible fire hazard There is risk of fire electric shock explosion or injury Ask your dealer or specialized subcontractor for installation or repair work e Make sure the ceiling wall is strong enough to hold the unit s weight The outdoor unit shoukd be installed in a location where air and noise emitted by the unit will not disturb the neighbours 6 Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors The outdoor unit must be installed on stable level surface in a place where there is no accumulation of snow leaves or rubbish The unit should be installed according to the instructions in order to minimize the risk of damage from earthquakes typhoons or strong winds When the refrigerant touches the fire elc it was decomposed and a poisonous gas is generated Use only the specified refrigerant to charge the regrigerant circuit Do not mix it with any other refrigerant and do not allow air to remain in the circuit Air enclosed in the circuit can cause high pressure resulting in a rupture and other hazards After completing installation work make sure that refriger ant gas has not leaked The limit density is made not to be exceeded even if the refrig erant leaks by any chance Turn the power off at the main power box mains before open ing the unit to check or r
67. uge reading is 101 kPa 76 cmHg 5 Close the low pressure valve handle of gauge manifold Check the flare connections for gas leakage 6 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 7 Set the 3 way valve to the back seat 8 Mount the valve stem nuts to the 2 way and 3 way valves 9 Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 way valve s stem nuts and from the service port nut CAUTION If gas leakage are discovered in step 5 above take the following mesures If the gas leaks stop when the piping connections are tightened further continue working from step 6 If the gas leaks do not stop when the connections are retightened repair the location of the leak discharge all of the gas through the service port and then recharge with the specified amount of gas from a gas cylinder 47 Pumpina Down 48 SN Liquid side T zi CLOSE ai M CLOSE E BJ Purge the air e Procedure 1 Confirm that both the 2 way and 3 way valves are set to the open position Remove the valve stem caps and confirm that the valve stems are in the raised position Be sure to use a hexagonal wrench to operate the valve stems 2 Operate the unit for 10 to 15 minutes 3 Stop operation and wait for 3 minutes then connect the charge set to the service port of the 3 way valve Connect the charge hose with the push pin to the
68. urn on the unit At unit turned off press the button the unit will run at Auto mode immediately The microcomputer will accord to the indoor temperature to select Cooling Heating Fan and obtain the comfortable effect e Turn off the unit At unit turned on press the button the unit will stop working Operation of automatic buttons u stop force running operation start runnin 5 during stop start force running C e case of key elan operation operation during stop after running abnormal communication error 21 Function and Control 6 5 DESCRIPTION OF EACH CONTROL OPERATION Anti cold air function COOLING MODE The rotational speed of indoor electromotor is decided based on the 1 When the unit is energized all the display marks will be shown and only indoor pipe temperature The indoor fan can run at low speed or stop the power LED lights 2 When the unit is turned on remotely the power LED goes out while the current setting running mode is displayed 3 During defrosting H1 is displayed in dual 8 During heating if the indoor pipe temperature is lower than certain value 4 In normal situation the setting temperature is displayed in dual 8 place 5 When the signal of displaying indoor temperature or outdoor temperature is received from the controller the corresponding temperature will be shown pipe temperature and ensure that the outlet air is hot in dual 8 place It resumes displa
69. vacuum pump to begin evacuating Perform evacu ating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Confirm that the compound pressure gauge read ing is 101 kPa 76 cmHg 5 Close the low pressure valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both sides of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Compound p ressure gauge pressure gaug gauge 101kPa 76cmHg Handle Lo Handle Hi Keep full closed Charge hose For R410A only Charge hose For R410A only Connecting pipe Vacuum pump adapter for counter flow prevention For R410A only Packed valve at liquid side Packed valve at gas side Service port Valve core Setting pin CAUTION IMPORTANT POINTS FOR PIPING WORK 1 Keep dust and moisture from entering the pipes 2 Tighten connections carefully between pipes and unit 3 Evacuate the air in the connecting pipes using a VACUUM PUMP 4 Check for gas leaks at all connections Packed Valve handling precautions Open the valve stem all the way but do not try to open it beyond the stopper Securely tighten the valve stem cap with torque in the following table Gas side 09 52 mm 33 to 42 N m 3 3 to 4 2 kgf m Liquid side 26 35 mm 14 to 18 N m 1 4 t
70. ying setting temperature 5s later Residual heat blowing function running This function will terminate after the unit runs for 3min or the pipe temperature reached certain value The running speed of indoor fan will decrease automatically base on the During heating when the stopping condition for the compressor is reached the compressor and the outdoor fan motor stop running while the upper and lower air deflector rotate to level L the indoor fan will stop after running for C 60s at setting speed 5 AUTO CHANGEOVER MODE B In this mode the system selects the running mode cooling heating and fan automatically according to the ambient temperature The display shows the A actual running mode and setting temperature There will be 30s delay for Indoor temperature setting temperature mode conversion The protection function is the same as that of other modes 1 When T amb 25o C the cooling mode is selected 2 for heat pump unit when Tamb lt 22o C the unit runs in heating mode 2 DRY MODE 3 for cooling only unit when Tamb 220 C the unit runs in fan mode l 4 When 220 C lt T indoor amb lt 250 C upon initial startup the unit will enter auto mode and run in automatic fan mode If the other mode changes into auto mode the previous running mode will remain 1 In this mode the fan motor runs at low fan speed while swing works according to setting state The range of setting temperature is 16 30 C 61 86 H 2 Wh

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