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TECHNICAL & SERVICE MANUAL SPLIT SYSTEM AIR

1. 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 Room Properly insulate tubing run inside 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 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 e Check carefully for leaks before starting the test run When Servicing e 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 clothing away from any moving parts Cl
2. MT NE More than 5 minutes 5 minutes 3 minutes Room temp TTIE Indoor fan Set speed 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 trving 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 ON 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 29 Heating 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 More than 5 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes Thermo Thermo Thermo Thermo ON OFF ON OFF set temp T C 1 C T 2 6 temp ON OFF 30 m Max 10minutes 30 seconds Indoor fan Set Setspeed Sel speed Indoor heat exch coil temp 3
3. cooling load or the air conditioner with larger capacity Review cooling load estimate if performance of air conditioner is normal 9 4 3 Excessive cooling or heating Set temperature to higher Set t ture i value using temperature ps setting buttons of the remote control unit Remote control unit is placed where Change position of remote it can detect room temperature control unit properly 45 9 5 sensor is defective 9 5 1 Indoor coil temp thermistor TH1 is defective Operation lamp on front side of YES Thermistor TH1 is defective indoor unit is flashing on and off That is sensor is SHORT YES NOTE 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 9 5 2 Room temp thermistor TH2 is defective A Open When thermistor opens the air conditioner will be in the following conditions as the controller tries to detect extremely low room temperature a In Cooling mode The air conditioner soon stops and will not start again Thermo OFF Neither outdoor fan nor compressor runs b In Heating mode The air conditioner continues to operate Thermo ON Both the outdoor fan and compressor do not stop As a result the room becomes too warm
4. een nnns 15 Special 17 Using the 12 Hour ON and OFF Timer AA 18 Using the 1 Hour OFF Timer nennen nnns 20 Adjusting the Airflow Direction mnn 21 Operation without the Remote Control Unit eenen 22 Care and Re El e Le Ate aa venen 22 Belle ee ln e NE 25 BEI ee ie Gegen t 25 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 Date of purchase Dealer s address Phone number Alert Symbols The following symbols used in this manual alert you to potentially dangerous conditions to users service personnel or the appliance WARNING This symbol refers to a hazard or unsafe practice which can result severe personal injury or death unsafe practice which can result personal injury or product or property damage N CAUTION This symbol refers to a hazard or 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 Do not install this air conditioner where there are fumes or flammable gases or in an ext
5. 01 332 06 Remote Control Unit Display Displayed when setting temperature Displayed when transmitting data Displayed when main unit sensor is in use Displayed when temperature is shown Displayed when the temperature setting is at the upper or lower allowable limit Displayed when setting timer Symbols 1 Operation mode 3 Set temperature 16 30 C When set to 28 C So o NN NE 4 Timer HEAT MU ze 12 hour ON Timer MILD DRY nn o 12 hour OFF Timer Fan speed 1 hour OFF Automatic operation CAN 5 NIGHT Ast 6 Confirmation of 25 transmission ZN MEDIUM 7 Flap angle indication LOW se 8 Sweep indication H Ol 332 07EG Remote Control Unit Sensor Transmitter ON 1 OFF O i o 1 1HR ser TEMP MC aQ Seet Display Cover closed ON OFF operation button 1 HR TIMER button Temperature setting buttons TEMP MODE NIGHT SETBACK NIGHT SETBACK button MODE selector button FAN SPEED selector button FLAP button TIMER SET button which advances the time displayed TIMER ON button TIMER OFF button ADDRESS switch ACL button Battery compartment Pull off the cover to expose the batteries NOT
6. 1602 To Change Address on Remote Control Unit NOTE Remove the batteries before changing the address 1 Remove tab marked A 2 When it is removed to change the address of the address is auto the remote control unit matically set to B 49 APPENDIX INSTRUCTION MANUAL SAP K91AHA SAP C91AHA SAP K121AHA 121 Features This air conditioner is equipped with cooling heating and drying functions Details on these functions are provided below refer to these descriptions when using the air conditioner Compact Size This model is smaller than its predecessors and yet offers the same capabilities Microprocessor Controlled Operation The interior compartment of the remote control unit contains several features to facilitate automatic operation easy logically displayed for easy use Simple One touch Wireless Remote Control The remote control unit has several features to facilitate automatic operation 12 Hour ON or OFF Timer This timer can be set to automatically turn the unit on or off at any time within a 12 hour period l Hour OFF Timer This timer can be set to automatically turn off the unit at any time after one hour Night Setback Pressing this button changes the setting of the room temperature thermostat allowing you to set the temperature at whatever level that you find comfortable Automatic and 3 step Fan Speed Auto High M edium Low Air Sweep Control This function moves
7. Casing and Grille Clean the casing and grille of the indoor unit with a vacuum cleaner Indoor Unit 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 CAUTION 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 cause 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 22 Ol 332 022EG Ol 332 023EG Anti Mold Filter How to remove the anti mold filter Cleaning How to replace the anti mold filter Care and Cleaning continued The anti mold filter behind the air intake grille should be checked and cleaned at least once everv two weeks 1 Grasp both ends of the air intake grille and pull itout and up Push the anti mold filter up slightly and then pull it down Air intake gnille Anti mold filter Use a vacuum cleaner to remove light dust there is sticky dust on the filter wash the filter in lukewarm soapy water rinse it in clean water and dry it 1 2 With the FRONT mark facing you slide the anti mold filter up into the unit and then
8. E ETHOS HEE 8 spe TTT TTT TTT TTT E E E E D D zeseeeeeeseeeeeeeeeeeeeeeeeeesseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee D 10 15 Outdoor temperature 1 6 Point of Rating condition 2 Black dot in the chart indicate the following rating condition Indoor 20 C D B Outdoor 7 6 W B Above characteristics indicate instan
9. 4 Put the batteries back in the remote control unit and then replace the cover 11 Ol 332 011EG Operation with the Remote Control Unit 1 Automatic Operation SET TEMP af fl U STEP 2 STEP 1 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 mode is selected and the unit is preset by following the steps below you can have the air conditioner automatically bring the room to the desired temperature simply by pressing the ON OFF operation button STEP 1 Press the MODE selector to a STEP 2 Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again NOTE change the temperature setting press the temperature setting buttons and change the setting to the desired temperature The indicates the upper limit and the lower limit for the temperature setting Although the fan speed is set automatically you can change the fan speed by pressing the FAN SPEED selector button oe 12 Ol 332 012EG Operation with the Remote Control Unit 2 Manual Operation STEP 4 NOTE 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 If the automatic operation settings of the unit do not meet your needs press the setting buttons as described below and change the settings as desired STEP 1 Pre
10. GRY TO TERMINAL PLATE WHT BLK CAPACITOR 2 4WAY VALVE PNK BRN CONNECTOR 31211 t 1 4 POWER SUPPLY OLRCA A Ki a COMPRESSOR MOTOR RED C OLR CT FAN MOTOR CAPACITOR DS a GRN YEL 8512 5253 430 oc 1 23 Outdoor Unit SAP C121AHA To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts PLATE GRN YEL TERMINAL BLK BLK Q EARTH CONTROLLER DEFROST THERMO INDOOR UNIT TERMINAL PLATE AO 16 SERGE TERMINAL PLATE TO 4WAY VALVE THERMOSTAT WHT BLK CAPACITOR 2 PNK BRN COMPRESSOR BLK MOTOR CAPACITOR 1 RED WHT OLRCT m THERMISTOR 8512 5253 482 2 24 7 INSTALLATION INSTRUCTIONS 7 1 Installation Site Selection e Wall mounted Type 7 prevent abnormal heat Em TUN generation and the possibility min WEEN M of fire don t place obstacles enclosures grills front VA d of or surrounding the air Fig 1 conditioner in a way that may block air flow AVOID direct sunlight nearby heat sources that may affect performance of the unit Tubing length L INDOOR areas where leakage of flammable gas may be UNIT expected places where large amounts of oil mist exist Elevation difference
11. K121 Outdoor Unit SAP C121AHA 240V Single Phase 50Hz RATING CAPACITY 3 20 kW AIR FLOW RATE 470 m h EVAPORATOR CONDENSER OUTDOOR AMBIENT TEMP lt DB 39 35 49 4 2 94 2 80 2 63 2 42 21 1 96 23 2 18 25 2 41 27 2 64 2 86 2 94 3 16 3 01 2 83 2 60 1 13 1 21 1 29 1 38 3 96 3 39 3 19 2 93 1 20 1 29 1 37 1 46 SHC 21 TC 3 77 3 56 3 33 3 10 23 25 SHG 27 SHG 29 SHC 31 SHC TC Total Cooling Capacity kW SHC Sensible Heat Capacity kW CM Compressor Input kW Rating conditions Mark are Outdoor Ambient Temp 35 C D B Indoor Unit Entering Air Temp 27 19 C W B TC 3 36 3 20 3 01 2 77 Lo eum Pus re ta 21 SHC 19 23 25 27 18 5 4 Heating Capacity Heating capacity ratio 100 90 80 Fee TO If 60 E 50 ER 40 30 Fee D E e EE
12. B Short When thermistor is short the air conditioner will be in the following conditions as the controller tries to detect extremely high room temperature a In Cooling mode The air conditioner continues to operate Thermo ON Both the outdoor fan and compressor do not stop As a result the room becomes too cold b In Heating mode The air conditioner soon stops and will not start again Thermo OFF Neither outdoor fan nor compressor runs Definition of Open or Short Circuit of Sensor Thermistor 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 46 10 CHECKING ELECTRICAL COMPONENTS 10 1 Measurement of Insulation Resistance The insulation is in good condition if the resistance exceeds 2 10 1 1 Power Supply Wires Clamp the ground wire of the power supply wires with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the power wires Fig 1 Then measure the resistance between the ground wire and the other power wire Fig 1 10 1 2 Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and
13. 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 10 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 where power supply lines are connected on the terminal plate Fig 2 10 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 47 Ground wire Probe Insulation tester Fig 1 Terminal plate robe 7 Clip M tube metallic part E Fig 2 E Cli tube metallic part Insulation tester Fig 3 From fan motor compressor and other parts Metallic part Clip Insulation tester Fig 4 10 2 Checking Continuity of Fuse on PCB Ass y Remove the PCB Ass y from the electrical component box Then pull out the fuse from the PCB Ass y Fig 5 Check for continuity using a multimeter as shown in Fig 6 10 3 Checking Motor Capacitor Remove the lead wir
14. speed when the Ass 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 automati cally switches the fan speed to the most suitable level When difference between room temperature and set temperature is FAN SPEED Between 2 C and 1 C Medium When difference between room temperature and set FAN SPEED temperature is Below 2 C Medium 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 4 indicator is on actual operation may differ slightly from the operation described in the table Refer to A C SENSOR button on page 9 you want to adjust fan speed manually during operation just set the FAN SPEED selector as desired 583 or Ol 332 014EG Operation with the Remote Control Unit continued 4 Night Setback Mode ON 1 OFF O RE CAD TEMP E NIGHT SETBACK c da KN SPEED c c OFF SET TIMER OOO 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 A In Cooling and DRY Mode When the night setback mode is selected the air conditioner amp and automatically raises the temperatu
15. A Sweep function The flap starts moving up and down to SW Referring to the above illustration use deliver air over the sweep range d FLAP button to set the airflow Ol 332 021EG Aarm Adjusting the Airflow Direction The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right 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 nght or left condensation may begin to form around the air vent and 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 gwenn AAA L2 SLA KEEFE B Setting the Airflow Manually direction within the range used during the heating cooling or dehumidifying operation The flap automatically closes when the unit is off During the heating operation the fan speed will be very low and the flap will be in the horizontal position position 6 until the air being blown out of the unit begins to warm Once the air warms up the flap position and fan speed change to the settings specified with the remote control Use the FLAP button on the remote control to adjust the position of
16. Avoid using radio equipment NG Remote control receiver such as mobile phone near lt within 1 of m the indoor unit Some radio equipment may cause the unit to malfuction OPERATION If the trouble occurs disconnect amp power and restart the air conditioner after a few minutes OPERATION STANDBY STANDBY lamp TIMER TIMER lamp REMOTE CONTROL This section picks up infrared signals from the remote control receiver 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 use the air conditioner for a few days or longer WARNING The OFF position does not disconnect the power Use the main N power switch to tum off power completely TEST position This position is used only when servicing the air conditioner CAUTION Do not set at the TEST position for normal operation OPERATION lamp This lamp lights when the system is in the continuous AUTO HEAT DRY and COOL mode STANDBY lamp This lamp lights during the warm up period for heating and when the system is defrosting To keep a constant room temperature the air conditioner continues to supply a gentle breeze during warm up or when the heating operation is interrupted by the thermostat TIMER lamp This lamp lights when the system is being controlled by the timer
17. H e UNIT select an appropriate position from which every ER corner of the room 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 tubing and drain pipe have the CAUTION shortest run to the outside allow room for operation and maintenance as well as For stable operation of OE unrestricted air flow around the unit Fig 1 the air conditioner do Wall install the unit within the maximum elevation vern TI difference above or below the outdoor unit VBS NGOO UMILS Under dali ech within a total tubing length L from the outdoor unit as 1 5m from floor level detailed Table 1 and Fig 2 Floor level Fig 2b Table 1 a Limit of Tubing Limit of Elevation Required Amount of Max Allowable Tubing de d Tm m gm If total tubing length becomes 7 5 to 15 max or 7 5 to 20 max charge additional refrigerant R22 by 15 g m or 25 g m No additional charge of compressor oil is necessary 25 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 4a and 4b provide a solid base concrete block 10 X 40 cm beams or equa
18. conditions are Cooling Indoor air temperature 27 C 19 W B Outdoor air temperature 35T 24 W B Heating Indoor air temperature 20 D B Outdoor air temperature 7 C 6C W B Indoor Unit SAP K121AHA Outdoor Unit SAP C121AHA EE Voltage rating 240 V Heating 8 79 12 800 460 Performance Cooling Capacity kW 3 20 BTU h 10 900 Air circulation High m h 470 Moisture removal High Liters h 1 45 Electrical Rating Cooling Available voltage range Running amperes Power input Power factor C O P Compressor locked rotor amperes Heating 216 264 1 60 gt 2 O1 Controls Temperature control Control unit Wireless remote control unit Timer 1 hour OFF 12 hours ON or OFF Fan speeds Indoor Outdoor 3 and Auto Auto Hi Lo Airflow direction Indoor Horizontal Manual Vertical Auto Washable Anti Mold Rotary Hermetic Refrigerant Amount charged at shipment R22 1 010 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 40 38 36 39 38 36 Outdoor Hi Refrigerant tubing connections Flare type Max allowable tubing length at shipment Refrigerant Narrow tube 6 35 1 4 tube diameter Wide tube in 12 7 1 2 Refrigerant tube kit Accessories Optional Hanging wall bracket Dimensions amp Weight Indoor Unit Outdoor Unit Unit dimensions 250 530 790 680 Package dimensions Height 242 580 Width 850 812 Depth
19. indoor unit board must be cut For more information please contact the dealer where you made the purchase Normally the tabs on the remote control unit should not be bent A C SENSOR button When you press this button use a 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 NOTE 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 Automatic switching between cooling and heating This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting 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 Ol 332 09EG How to Install Batteries How to Use the Remote 10 Control Unit Remote Contro
20. lower the handle into the groove on the unit After installing the anti mold filter press the locations marked by the arrows JL and close the air intake grille Air intake grille Anti mold filter Insert into the groove on the unit 23 Air cleaning filter not provided ANF How to install the air cleaning filter Cleaning the main unit and remote control unit Removing and remounting the air intake grille Aarme Washing the grille with water 24 Care and Cleaning continued The air cleaning filter removes dust and dirt from the air and reduces odors and smoke from tobacco The air cleaning filter is not provided with the air conditioner and must be purchased separately The first time that you buy the air cleaning filter it is necessary to get the STK ARF4B model with frame When changing the filter subsequently it is only necessary to replace the filter itself model STK F4B The air cleaning 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 cleaning filter needs to be installed behind the Air clean anti mold filter filter 1 Remove anti mold filter 2 Install the air cleaning filter in the position shown in the diagram with the symbols meaning FRONT facing the front Rein
21. run Check fan casing foreign matter on inside Remove foreign matter or repair Fan cannot Check fan rotation be turned Turn fan gently once or twice by hand Fan motor burnout or foreign matter in bearings Repair or replace Measure resistance of indoor fan When fan speed is changed does motor winding applied voltage between lead wires and WHT change as well 9 3 2 Only flap motor does not run Check fan motor capacitor PCB Ass y is defective Measure resistance of flap motor winding 9 3 3 Function of outdoor fan speed control does not work properly For C121 models Check thermostat in outdoor unit 23S Refer to 8 8 Outdoor Fan Speed Control 42 9 3 4 Only outdoor fan does not run Check fan casing foreign matter on Remove foreign matter or repair Fan cannot Check fan rotation be turned Turn fan gently once or twice by hand inside Fan motor burnout or foreign matter in Repair or replace bearings Measure resistance of outdoor fan motor winding Check fan motor capacitor 9 3 5 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 Refrigerant gas shortage NO YES Charge refrigerant gas R22 Meas
22. the unit on three hours from now Use the procedure described in the 2 TIMER OFF mode section on the preceding page to set the timer to turn the unit off five hours from now The displav changes immediatelv to its status previous to timer setting but the or Indication remains Press the TIMER SET button to displav the time remaining on the timer in seconds Note that it is not possible to check both the ON and OFF timer settings The timer setting that will occur first is given preference and displaved The timer setting that will occur first is the one with the shorter time setting Cancellation procedure Press the TIMER ON button and TIMER OFF button once again Set the ON and OFF Timers simultaneousiv Unless you set the 12 Hour ON and OFF Timers at the same time thev mav not operate at the specified time 19 1 1 OFF yom Ed ON I OFF O 1HR TIMER MODE NIGHT SETBACK FLAP FAN SPEED OFF SET 2 Combining the 1 Hour OFF Timer and 12 Hour 20 us Cy gt ON Timer Using the 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 this button is pressed The indicator in the display indicates that this function is operating Setting procedure Regardless of whether the unit is operating or stopped press the 1 HR TIMER button appears in the disp
23. 312 315 Weight Net 34 0 Shipping 10 0 36 0 DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocessor thermostat Air filter Compressor Refrigerant Amount charged at shipment al R2 100 ___ Q T gt gt O 2 Shipping volume Remarks Rating conditions are Cooling Indoor air temperature 27 C 19 W B Outdoor air temperature 35T 24 W B Heating Indoor air temperature 20 D B Outdoor air temperature 7 C 6C W B 2 2 Major Component Specifications 2 2 1 Indoor Unit Indoor Unit SAP K91AHA Controller PCB Part POW K91GJHA Controls Control circuit fuse 250 V 3 15 A Remote Control Unit RCS 2HS4E pang Fan Motor zz Oty Dia and length mm Fan motor model No of poles SOHz rpm High Nominal output Coil resistance Ambient temp 20 WHT BRN 201 WHT VLT 261 Safety devices Type Thermal fuse Operating temp Run capacitor on the PCB Ass y VAC Coil resistance Ambient temp 25 Q Cell DATA SUBJECT CHANGE WITHOUT NOTICE Indoor Unit SAP K121AHA PCE KN POW KTZIGUHA Control circuit fuse 250 V 3 15 A Remote Control Unit RCS 2HS4E Q ty Dia and length mm 1 95 L578 igh Fan motor model Q ty IBH 884 020 1 No of poles 50Hz High 2 1 340 Nominal output W Q Coil resistance Ambient temp 20 WHT BRN 201 WHT VLT 2
24. 4 Outdoor fan nn 1 Solenoid coil 4 way valve ON Reversing cycle 7 Operation button OFF ON The control circuit will not attempt to turn the compressor ON until the compressor has been OFF for at least 5 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 As a protective measure the control circuit switches the compressor OFF after 5 minutes more of compressor operation Thermo ON When the room temperature is below T 1 C T C is set temperature Compressor ON Thermo OFF When the room temperature is equal to or above set temperature T C Compressor OFF 1 Refer to 8 6 Cold Draft Prevention 30 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 operation T 2 C Dry A zone Compressor Continuous operation FMI indoor fan L low speed LL very low speed intermittent ventilation Set temp T C only whi
25. 50Hz Rating Conditions Running Amps Power Input kW 0 040 0 060 1 250 Full Load Conditions Running Amps A Power Input kW 0 040 0 060 1 500 Rating Conditions Indoor Air Temperature 27 C 19 W B Outdoor Air Temperature 35 D B Full Load Conditions Indoor Air Temperature 32 23 W B Outdoor Air Temperature 43 C HEATING Indoor Unit Outdoor Unit Complete Unit Performance 240V Single phase 50Hz Fang 95 Power Input kW 0 040 0 060 1 220 132 Ful Load Condifons Running Amps A Power Input kW 0 040 0 060 1 450 Rating Conditions Indoor Air Temperature 20 D B Outdoor Air Temperature 7 D B 6T W B Full Load Conditions Indoor Air Temperature 27 Outdoor Air Temperature 24 18 W B 21 6 2 Electric Wiring Diagrams Indoor Unit SAP K91 AHA To avoid electrical shock hazard be sure to SAP K121AHA Witter disconnect power before checking servicing and or cleaning any electrical parts POWER TRANSFORMER SUP WHT Y RED JPCWHT CONTROLLER E g i E IND LAMP ASSY ROOM THERMISTOR COR CEES FLAP MOTOR 8512 5253 629 0 22 Outdoor Unit SAP C91AHA To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning anv electrical parts GRN YEL TERMINAL O PLATE DEFROST THERMO TERMINAL PLATE eT l INDOOR UNIT BLU
26. 61 Safety devices Type Thermal fuse Operating temp Open Run capacitor on the POB 455 iF VAC DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 2 2 Outdoor Unit Outdoor Unit SAP C91 AHA Controller PCB POW C96GH S Compressor Rotary Hermetic C RSZHSW 80602945 S 155 or SAY SGT 550 Coil resistance Ambient temp 25 Q C R 3 07 C S 7 97 Safety devices Type External OLR A External OLR T Overload relay Operating temp Run capacitor v VAC Crank case heater Fan amp Fan Motor No of poles rpm 240 V High Coil resistance Ambient temp 20 WHT BRN 338 3 WHT PNK 389 7 Safety devices Type Operating temp Run capacitor Heat Exch Coil Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE Outdoor Unit SAP C121AHA Controller PCB POW C186GH Compressor Rotary Hermetic CRTIZHSX 806167453 1 100 155 or SAY SGT 550 Coil resistance Ambient temp 25 Q 1 962 C S 5 38 Safety devices Type External OLR A External OLR T Overload relay Operating temp Run capacitor VAG Crank case heater Fan amp Fan Motor No of poles rpm 240 V High Coil resistance Ambient temp 20 BRN WHT 341 2 WHT YEL 212 7 YEL PNK 190 0 Safety devices Type Operating temp Run capacitor Heat Exch Coil Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 3 Other Component Specifications Indoor Unit SAP K91AHA SAP K121AHA T
27. B Circuit breaker trips several minutes after turning the air conditioner There is a possibility of short circuit Check capacity of circuit breaker Replace with suitable one larger capacity Capacity of circuit breaker is suitable In case of Heating operation e Measure resistance of outdoor fan Measure resistance of 4 way valve s motor winding winding Measure resistance of compressor motor winding 9 2 2 Neither indoor nor outdoor unit runs A Power is not supplied Circuit breaker is tripped Reset breaker Check power supply Power is being supplied to the outdoor unit Wait for recovery or contact power company B Check OPERATION selector switch in the indoor unit OPERATION selector switch is set YES Switch Ass y or indoor PCB Ass y in ON position is defective Set OPERATION selector switch to ON 39 Check remote control unit Try to run with another remote control unit OK First remote control unit is defective Check for residue buildup on transmitter of remote control unit gt Clean transmitter Check for residue buildup on remote control receiver on front of indoor gt Clean receiver unit Check fuse on the indoor PCB Ass y Check fuse on indoor PCB Ass y for continuity F OK Check operation lamp to see if light is ON Light is OFF If fuse has been blown Measure resist
28. E Voltage rating 240 V Heating 3 20 10 900 430 Performance Cooling Capacity kW 2 50 BTU h 8 500 Air circulation High m h 430 Moisture removal High Liters h 0 85 Electrical Rating Cooling Heating 216 264 1 020 Available voltage range Running amperes Power input Power factor C O P Compressor locked rotor amperes gt E 5 NO AG o D Controls Temperature control Control unit Wireless remote control unit Timer 1 hour OFF 12 hours ON or OFF Fan speeds Indoor Outdoor 3 and Auto 1 Hi Airflow direction Indoor Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment H22 880 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 39 37 33 39 37 33 Outdoor Hi Refrigerant tubing connections Flare type Max allowable tubing length at shipment Refrigerant Narrow tube 6 35 1 4 tube diameter Wide tube in 9 52 3 8 Refrigerant tube kit Accessories Optional Hanging wall bracket Dimensions amp Weight Indoor Unit Outdoor Unit Unit dimensions 250 530 790 680 Package dimensions Height 242 580 Width 850 812 Depth 312 315 Weight Net 31 0 Shipping 10 0 33 0 DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocessor thermostat Refrigerant Amount charged at shipment al RR 880 Q T gt A AK A Shipping volume 2 Remarks Rating
29. E The illustration above pictures the remote control unit after the cover has been lowered and removed Transmitter When you press the buttons on the remote control unit the mark appears in the display to transmit the setting changes to the receiver in the air conditioner 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 For details see Night Setback Mode When you press this button in the button HEAT DRY or COOL mode the mark appears in the display and the remote control unit will automatically adjust the set temperature to save energy Temperature setting Press the button to increase the set temperature button Press the button to reduce the set temperature ON OFF operation This button is for turning the air conditioner on and off button Ol 332 08EG Remote Control Unit continued TIMER ON button The air conditioner starts at the set time TIMER OFF button The air conditioner stops at the set time TIMER SET button This button is used to set the time at which you wish the air conditioner to go on or off MODE selector button Use this button to select AUTO HEAT DRY or COOL mode AUTO When this setting is selected the air conditioner calculates the dif
30. TECHNICAL amp SERVICE MANUAL SANYO rde ee eren SAP K121AHA SAP CI21AHA SPLIT SYSTEM AIR CONDITIONER Indoor Model No Product Code No Outdoor Model No SAP K91AHA S 1 852 070 75 SAP K121AHA S 1 852 072 04 Product Code No Destination SAP C91AHA S 1 852 070 83 SAP C121AHA S 1 852 070 84 TT hi Oi 4 14 apa 42222 GT d A Wf l Mh V SAP K91AHA SAP C91AHA SAP K121AHA SAP C121AHA REFERENCE No SM700462 Important Please Read Before Starting 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 For safe installation and trouble free operation you must e 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 e Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard or NES unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which result in personal injury or product or property If Necessary Get Help These instructions
31. a flap up and down in the air outlet directing air in a sweeping motion around the room and providing comfort in every corner Automatic Switching between Cooling and Heating This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting Hot Start Heating System Right from the start the air is warm and comfortable This system prevents any cold blasts at the beginning while the heat pump is warming up or even defrosting Automatic Restart Function for Power Failure Even when power failure occurs preset programmed operation can be reactivated once power resumes Anti Mold Filter This unit is equipped with an anti mold filter that inhibits the growth of mold and bacteria Optional Air Clean Filter An air filter that uses activated charcoal to eliminate unpleasant odors and clean the air iS available Sold separately Ol 332 02EG Ol 332 03EG Contents Page i e a d TA At kt 2 Producb informa lge WEE 3 3 installation tero Le e EE 4 Electrical Requirements i i a ia a g A a 4 STEEN 4 Names l 5 Using the Remote Control Unit 10 Operation with the Remote Control Unit 12 L Aut matic Operator i asten sorteren is inr 12 2 Man al Operat om WEE 13 3 Adjusting the Fan Speed 14 4 Night Setback
32. ance of indoor and or fan motor winding FM Measure resistance of compressor motor winding CM Measure resistance of primary and Measure coil resistance of power secondary winding of transformer relay PR TR Indoor PCB Ass y or switch Ass y is Replace the fuse defective Check TIMER on the remote control unit Timer is turned ON Check to see YES if is displayed on remote gt Cancel the timer mode control 40 9 2 3 Only outdoor unit does not run A Check setting temperature Is room temperature too low Is room temperature too high NO NO Try to lower setting temperature by temperature setting button button Try to raise setting temperature by temperature setting button button Outdoor unit still does Outdoor unit still does not run not run Try to run using another remote control unit Y Try to run using another remote control unit OK OK Remote control unit is defective Remote control unit is defective B Check PCB Ass y in either indoor or outdoor unit Check voltage between terminals No 4 and No 5 at terminal plate Outdoor Ass y is defective DC 24V No voltage appears e Indoor Ass y is defective 9 2 4 Only Indoor unit does not run e Indoor Ass y is defective 41 9 3 Some part of air conditioner does not operate 9 3 1 Only indoor fan does not
33. 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 AN 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 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
34. ce m Axis air verocity m s Vertical distance m Flap angle 45 Axis air velocity 45 angle 60 Axis air velocity 60 15 Indoor Unit SAP K121AHA Room air temp 27 C Fan speed High Horizontal distance m Axis air verocity m s Vertical distance m 3 4 Flap angle 0 Axis air velocity 0 angle 30 Axis air velocity 30 Room air temp 20 Fan speed High Horizontal distance m Axis air verocity m s Vertical distance m Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 16 5 3 Cooling Capacity Indoor Unit SAP K91AHA Outdoor Unit SAP C91AHA 240V Single Phase 50Hz RATING CAPACITY 2 00 kW AIR FLOW RATE 430 EVAPORATOR CONDENSER WE TEMP OUTDOOR AMBIENT TEMP s 3 25 ol 5 BE 2 41 2 30 2 19 2 06 1 89 0 70 0 76 0 81 0 87 0 94 1 01 Sic 270 259 2 47 2 35 221 2 03 aC 3 05 2 92 278 2 65 2 49 2 29 1 09 3 23 3 09 2 99 7 78 A 60 2 42 0 78 lt 1 05 5 E 1 21 2 88 275 2 63 250 2 35 2 16 e er 1 06 Total SCC Seen Buc Sensible Heat Capacity kW CM Compressor Input kW Rating conditions Mark are Outdoor Ambient Temp 35 Indoor Unit Entering Air Temp 27 C 19 W B 17 Indoor Unit SAP
35. control unit pull it from the holder When using the remote control unit Point the transmission portion of the remote control unit at the receiver area of the indoor unit when operating the remote control unit and during operation of the air conditioner Do not place objects which may block the transmitted signals between the receiver and the remote control unit When mounting the remote control unit to prevent theft Fig 6b 1 Attach the holder to the wall with one of the screws using only the hole in the top of the holder 2 Remove the cover of the remote control unit and take out the batteries Next place the remote control unit in the holder 3 Fasten both the remote control unit and holder to the wall with the remaining screw using the hole in the bottom of the holder 4 Install the batteries in the remote control unit and close the cover 27 Truss head tapping screw 4 x 16mm supplied Remote control 9 unit holder F Truss head tapping screw 4 x 16mm supplied Holder Holder 7 3 Recommended Wire Length and Diameter Regulations on EK diameter differ from locality to NOTE locality For field wiring requirements please refer to Ze H your local electrical codes Carefully observe these n ES or the regulations when carrying out the installation Meaning ZS Table 2 Table 2 lists recommended wire lengths an
36. correctly connected to the indoor unit from the outdoor unit 9 1 3 Check power supply Check that voltage is in specified range 10 of the rating Check that power is being supplied 9 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 37 9 2 conditioner does not operate 9 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 There is a possibility of ground fault Check insulation resistance If resistance value is 2MQ or less insulation is defective Inter unit Outdoor Power wiring supply wiring 1X K K Circuit Power 2 X x x breaker supply eege x 4 IX x 6 x TIK i B Ground WARNING Set circuit breaker to OFF 1 Remove both power supply wires and inter unit wires from terminal Insulation of NO plate in outdoor unit outdoor unit e Measure insulation resistance is defective of outdoor unit e Measure insulation resistance of electrical parts in outdoor unit 2 Remove inter unit wires from terminal plate in indoor unit e Measure insulation resistance of indoor unit NO Insulation of indoor unit 5 defective e Measure insulation resistance of electrical parts in indoor unit 38
37. d again for heating operation the STANDBY lamp will go off automatically In the event of power failure the unit will stop When the power is resumed the unit will restart automatically after three minutes In heating or cooling operation any plastic parts may expand or shrink due to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disap pear The remote control unit sends the setting condition to the air conditioner regularly at three minute intervals 17 1 TIMER ON mode Example A 5 3 79 ON I OFF O 2 TIMER OFF mode Example Su ON I OFF O 18 Using the 12 ON and OFF Timer After the length of time set for TIMER ON elapses the unit begins operating The displav depicted at left indicates that the air conditioner will begin operating in three hours Setting procedure Press the MODE button and set the desired operation mode and press the ON OFF operation button See Operation with the Remote Control Unit page 12 STEP 2 Press the TIMER ON button Press the TIMER SET button which advances the time displaved to set the time at which vou want operation to begin The time can be set for one to twelve hours one hour steps The displav changes immediatelv to its status previous to timer setting but the indication remains To check the status of the timer whi
38. d cross section area for power supply systems Table 2 Cross Sectional A Power Supply Wiring Length m Area mm B Power Line m Fuse or Circuit Breaker Capacity Be sure to comply with WIRING SYSTEM DIAGRAM local codes on running the wire from the indoor unit to Power supply the outdoor unit size of BOVAG wire and wiring method INDOOR UNIT OUTDOOR UNIT etc Terminal Each wire must be firmly connected Power No wire should be allowed to touch refrigerant tubing the compressor or any moving part Low voltage To avoid the risk of electric WARNING shock each air conditioner unit must be grounded 6 Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram The indoor unit draws its power from the outdoor unit 28 8 FUNCTION 8 1 Room Temperature Control Cooling 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 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes Thermo Thermo Thermo Thermo Thermo Thermo Thermo OFF ON OFF ON ON ON OFF T 1 C _ 5 settemp C
39. defrosting Release of defrosting 32 seconds 11 minutes 32 seconds Compressor Outdoor fan Solenoid coil N 4 way valve Indoor fan Set speed Set speed Standby lamp OFF OFF Indoor heat we exch coil i 24 temp 34 Release cold draft prevention 1 Refer to 8 6 Cold Draft Prevention 8 8 Outdoor Fan Speed Control Only for C121 models To optimize performance of the air conditioner the outdoor fan speed is switched automatically according to the outdoor temperature f the outdoor air temperature falls below 28 5 the fan speed switches to LOW the outdoor air temperature rises above 31 5 C the fan speed switches to HIGH This function does not become active in heating operation Outdoor air temperature C 28 5 Outdoor fan speed a dM 9 TROUBLESHOOTING 9 1 Check before and after troubleshooting WON ee Hazardous voltage can cause ELECTRIC SHOCK or DEATH Disconnect power or turn off circuit breaker before you start checking or servicing 9 1 1 Check power supply wiring Check that power supply wires are correctly connected to terminals No 8 and No 9 on the terminal plate in the outdoor unit Indoor Inter unit Outdoor unit Power wiring unit Power supply Inter unit 1 phase 50Hz 240V control wiring Ground 9 1 2 Check inter unit wiring Check that inter unit wiring is
40. e Narrow tube service valve 96 35 1 4 Unit mm 10 Outdoor Unit SAP C121AHA 2 912 holes Wide tube service valve 912 7 1 2 Air discharge Narrow tube service valve 26 35 1 4 Unit mm 11 4 REFRIGERANT FLOW DIAGRAM Indoor Unit SAP K91 AHA Outdoor Unit SAP C91AHA Indoor unit Outdoor unit ES eT SS ee 5 Wide tube Accumulator D service Wide tube valve T H 09 52 3 8 Insulation N TEM 8 5 gt lt D NN 5 3 Narrow Capillary tubes tube Capillary tube both for heating service for heating and cooling Narrow tube E n Cooling cycle Check leen RECH e valve Heating cycle E Indoor Unit SAP K121AHA Outdoor Unit SAP C121AHA Indoor unit Outdoor unit Widetibe Accumulator 9 service p ae Wide tube SS i 012 7 mm peg X an _ S JK D i 5 kan A E 4 Narrow Capillary tubes I i tube both for heating service and cooling Narrow tube valve tank i l sad Cooling cycle O D 06 35 duc 1 4 Heating cycle EE Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditi
41. ean 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 Others AN 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 1 OPEBATING RANGE ne eadeni te rmm 1 2 SPECIFICATIONS ae e E 2 SEI 4 2 3 Other Component Specifications cccccccccccsceseeeeecccceesececececosseeeeeesccesseeceesccessececessceeseeeeecscceeseeees 8 S DIMENSIONAL Eeer 9 4 REFRIGERANT FLOW DIAGRAM sss 12 5 PERFORMANCE DATA 5 1 Performance charts 13 a a ah ag Bae aa aba ee 15 e 0 EE 17 5 4 ee EE 19 6 ELECTRICAL DATA 6 1 Reger e 20 Se e AM E 22 7 INSTALLATION INSTRUCTIONS 7 1 Installation Site Selection E 25 7 2 Remote Control Unit Installation Position E 27 7 3 Recommended Wire Length and Diameter 28 8 FUNCTION 8 1 Room Temperature Control EE 29 8 2 Diy QC ADO Beads 31 8 3 Automatic Switching betw
42. een Cooling and Heating 31 8 4 Freeze Prevention EE 32 go Overload E e odd TE KE ana TA NE E DANG NETE IN TE Ka 33 9 5 Draft GET e NEE 34 Deirosting Mm m 35 6 6 Outdoor Fan Speed 36 9 TROUBLESHOOTING 9 1 Check before and after troubleshooting 37 9 2 Air conditioner does not operate 38 9 3 Some part of air conditioner does not operate 42 9 4 Air conditioner operates but abnormalities are observed 44 9 5 If a sensor eer 46 10 CHECKING ELECTRICAL COMPONENTS 10 1 Measurement of Insulation Resistance 47 10 2 Checking Continuity or Fuse on PCB ASS Vi 48 10 3 Checking fOe ee e TEE 48 11 11 1 Changing Address of Remote Control Unit in Indoor Unit 49 APPENDIX INSTRUCTION MANUAL eneen nennen ereen enen nnne 50 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp 2 D B 23 WB 43 C DB Cooling 19 C DB 14 0 WB 19C DB 270 DB 24 0 D B 16 6 WB eating 160 DB 8C D B 9C WB 2 SPECIFICATIONS 2 1 Unit Specifications Indoor Unit SAP K91 AHA Outdoor Unit SAP C91AHA E
43. es from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value 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 48 PCB Ass y G Fig Compressor motor capacitor Fuse Fan motor capacitor Fuse Multimeter Fig 6 Fig 7 11 11 1 Changing Address of Remote Control Unit in Indoor Unit you are installing more than 1 indoor unit up to 2 in the same room it is necessary for you to assign each unit its own address so each can be operated by its own separate remote control unit You assign the addresses by matching the remocon address on the PCB of each indoor unit with the switch positions of its remote control unit NOTE Once changed you cannot restore the original address setting of the remote control unit To Change Address on PCB 1 Cut jumper wire JP02 on the indoor unit PCB Use cutting pliers to cut and disconnect the Jumper wire 2 Switch the address switch on the remote control unit to B position 3 After inserting the batteries press reset button Control PCB on Indoor Unit 01 EI g 8 REMOCON 0 0 a ADRESS
44. ference between the thermostat setting and the room temperature and automatically switches to the COOL or HEAT mode as appropriate HEAT The air conditioner makes the room warmer DRY The air conditioner reduces the humidity in the room COOL The air conditioner makes the room cooler 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 M The airflow direction can be set manually six positions E The moves up and down automatically To switch to the sweep function 2 when in the manual A mode hold down the FLAP button FAN SPEED selector s The airconditioner automatically decides the fan speeds button High fan speed Medium fan speed Low fan speed 1 HR TIMER button 5 When you press this button regardless of whether the unit is 1 HOUR OFF TIMER operating or stopping the unit operates for one hour and then shuts down ACL button Puts the remote control unit into pre operation status Always press this ALL CLEAR button after replacing the batteries Address switch Change the address switch to prevent mixing of signals from remote control units when two Sanyo air conditioners are installed next to each other Normally the address switch is set to A When switching the address the remote control must be changed and the jumper cables on the
45. here 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 0 332 010 Using the Remote Control Unit continued Mounting the Remote Control Unit Truss head tapping screws 4 x 16mm supplied control When attaching to wall 1 Confirm the indoor unit beeps when the ON OFF button is pressed at the wall location where the remote control unit is to be attached then attach the holder to the wall 2 When taking out the remote control unit pull it from the holder When using the remote e Point the transmitter on the remote control unit at the sensor on control unit the indoor unit when operating the remote control unit and the air conditioner Do not place objects which may block the transmitted signals between the receiver and the remote control unit Truss head tapping screws 4 x 16mm supplied Holder Remote control unit holder Securing the remote 1 Attach the holder to the wall with one screw in the upper hole control unit to prevent theft 2 Remove the cover from the remote control unit and then remove the batteries Next place the remote control unit in the holder 3 Secure both the remote control unit and the holder to the wall with another screw through the lower hole
46. l a minimum of 10 cm above ground level to reduce humidity and protect the unit against possible water damage and decreased service life Fig 5 use lug bolts or equal to bolt down unit reducing vibration and noise Required space around the unit Air intake V Min 10 cm Valve side 25 Min 5cm Air discharge Top View Fig 4a Rear air intake Side air intake C91 only Concrete or equal NO Hot air Outdoor unit Obstacle above 3 4 Air discharge O G Ground Side View Fig 4b Anchor bolts 4 pcs Min 10 cm 26 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 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 6 1 When attaching to wall Fig 6a 1 Confirm the indoor unit beeps when the ON OFF button is pressed at the wall location where the remote control unit is to be attached then attach the holder to the wall 2 When taking out the remote
47. l Unit Installation Position DO NOT Using the Remote Control Unit 1 Slide the cover in the direction indicated by the arrow and remove it 2 Install two AAA alkaline batteries M ake sure the batteries point in the direction marked in the battery compartment Use a thin object such as the tip of a pen to press the ACL button ACL button d The batteries last about six months depending on how much you use the remote control 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 In replacing batteries follow the instructions as mentioned in the sub section How to Install Batteries If 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 Remote control unit 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 In direct sunlight Behind a curtain or other places where it is covered More than 8 m away from the air conditioner In the path of the air conditioner s airstream W
48. lay 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 If while the 1 Hour Timer function is operating the LHR 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 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 By combining the 1 Hour OFF Timer and 12 Hour ON Timer it is possible to have the unit operate for just one hour from the present time and then have it switch on again later at a time specified by you Example Having the unit operate for just one hour from the present time and then switch on again three hours from the present time Timer setting Setting procedure STEP 1 Press the 1 HR TIMER button Press the TIMER ON button and use the TIMER SET button to set the unit to turn on three hours later STEP 2 Set the 1 Hour OFF Timer and the 12 Hour ON Timer simultaneously Unless you set the 1 Hour OFF Timer and the 12 Hour ON Timer at the same time the 1 Hour OFF Timer may operate for one hour or more Ol 332 020EG MODE 1 Horizontal Aarm 2 Vertical NIGHT FAN SPEED
49. le it is counting down press the TIMER SET button Cancellation procedure Press the TIMER ON button once again After the length of time set for TIMER OFF elapses the unit stops operating The displav depicted at left indicates that the air conditioner will stop operating in five hours Setting procedure STEP 1 Press the TIMER OFF button STEP 2 Press the TIMER SET button which advances the time displayed to set the time at which you want operation to stop The time can be set for one to twelve hours in one hour steps The display changes immediately to its status previous to timer setting but the indication remains To check the status of the timer while it is counting down press the TIMER SET button Cancellation procedure Press the TIMER OFF button once again Ol 332 018EG 3 1 al H OFS TIMER ON display during counting L us TIMER OFF display during counting after 3 hours has elapsed Ol 332 019EG Using the 12 ON and OFF Timer continued A combination of the TIMER ON and TIMER OFF modes this function allows vou to specifv the time that the unit turns on and the time when it turns off Example The unit will turn on three hours from now and turn off five hours from now Timer setting Setting procedure Use the procedure described in the 1 TIMER ON mode section on the preceding page to set the timer to turn
50. le the compressor is ON 1 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 C Monitor zone Both the indoor and outdoor units stop e 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 8 3 Automatic Switching between Cooling and Heating When AUTO mode is selected the microprocessor calculates the difference between the set temperature and the room temperature and automatically switches to COOLING or HEATING mode to maintain the desired temperature Room temp gt Set temp gt COOL Room temp lt Set temp gt HEAT This means that if the room temperature is higher than or equal to the set temperature COOLING operation begins If the room temperature is lower than the set temperature HEATING operation begins 31 8 4 Freeze Prevention Cooling 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 no
51. matically set to LOW or 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 Because this air conditioner heats a room by drawing in the heat of the outside air heat pump system the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air conditioner use another heating appliance in conjunction with it When the outdoor temperature is low frost or ice may form on the heat exchanger coil reducing heating performance When this happens a microcomputer defrosting system operates At the same time the fan on the indoor unit stops and the STANDBY lamp remains lit until defrosting is completed Heating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms For several minutes after the start of heating operation the indoor fan will not start running until the indoor heat exchanger coil has warmed up sufficiently This is because the COLD DRAFT PREVEN TION SYSTEM is operating During this period the STANDBY lamp remains lit The STANDBY lamp also remains lit during defrosting or when the compressor has been turned off by the thermostat when the system is in the heating mode Upon completion of defrosting and when the compressor is turne
52. n front of condenser coil soon stops Dirty or clogged air filter Heat source or many people in Poor cooling or heating performance room Doors and or windows are open Obstacle near air intake or air discharge port Thermostat is set too high for cooling or too low for heating Restore power Contact service center Consult your electrician or dealer Press the button again Replace batteries Contact service center Remove obstruction Clean air filter to improve airflow Eliminate heat source if possible Shut them to keep the heat or cold out Remove it to ensure good airflow Set the temperature lower or higher 6 Try to use a back up heater 7 Consult your dealer 6 Outdoor temperature is too low 7 Defrosting system does not work This is normal and the sound will soon disappear Clicking sound is heard from the air conditioner In heating or cooling operation any plastic parts may expand or shrink due to a sudden temperature change In this event a clicking sound may occur OPERATION lamp lights 1 The use of portable telephones but outdoor unit will not near the air conditioner may cause run disturbance to its normal operation 1 off the power then restart the air conditioner after 1 minute 2 Consult your dealer Tips for Energy Saving Do not Block the air intake and outlet of the unit If they are
53. 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 Do 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 25 Ol 332 025EG SANYO Electric Co Ltd Osaka Japan SM700462 10 00 200 Printed in Japan
54. oner 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 Thickness should be a min 8 mm Min 8 mm After a tube has been insulated never try to bend it into a narrow CAUTION curve because it can cause the tube Wide tube to break or crack 12 Thickness Min 8 mm Narrow tube 5 PERFORMANCE DATA 5 1 Performance charts Indoor Unit SAP K91 AHA Outdoor Unit SAP C91 AHA Cooling Characteristics Heating Characteristics Indoor inlet air Indoor inlet air lt lt temp 2 D 5 O O O O E E D D Q Q O O 30 35 40 45 50 5 0 5 10 15 20 25 Outdoor inlet air D B temp C Outdoor inlet air D B temp C Indoor inlet air D B temp C HN Be 25 Indoor inlet air D B temp C Paras Lei 25 30 35 40 45 50 5 0 15 20 25 Outdoor inlet air D B temp C Outdoor inlet air temp m l i Low pressure at wide tube serveice valve MPa kgf cm G High pressure at wide tube serveice valve MPa kgf cm2G O T Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 19 W B Heating Indoor air temperature 20 C D B Outdo
55. operates Overload prevention works Does outdoor fan stop Outdoor fan is either operated Indoor heat exchanger coil Integrated operating time of Integrated operating time of or stopped for more than 10 temperature drops 0 8 C per compressor is more than 3 compressor 15 more than 1 5 minutes 6 minutes and it repeats hours hours 3 times in succession Is outdoor fan continuously operating for more than 10 Temperature of indoor heat Thermo OFF minutes exchanger coil is below 40 C Compressor OFF Integrated operating time of compressor is more than 50 minutes Temp of indoor heat exch coil immediately before thermo goes off is either below 40 4 C or 53 4 C when overload Temperature of indoor heat prevention works exchanger coil is below 40 13 C Compressor keeps running for at least 6 minutes Continuous operating time of Compressor keeps running for compressor is more than 20 Compressor keeps running at least 6 minutes minutes for at least 6 minutes Temperature of outdoor heat exchanger coil is below 9 C Defrosting begins Cold draft prevention Temperature of outdoor heat exchange coil is higher than 12 C Defrosting time is over 12 minutes Release of defrosting No LL fan operation during this period Indoor fan runs at set speed when temperature of indoor heat exchanger reads 34 35 Defrosting Mode Timing Chart Start of
56. or air temperature 35 C D B 24 C W B Outdoor air temperature 7 C D B 6 C W B 13 Indoor Unit SAP K121 Outdoor Unit SAP C121AHA Cooling Characteristics Heating Characteristics Indoor inlet air D B temp C Outdoor fan speed Indoor inlet air D B temp C Operating current Operating current A 25 30 35 40 45 50 5 0 5 10 15 20 25 Outdoor inlet air D B temp C Outdoor inlet air D B temp C Indoor inlet air D B temp C Indoor inlet air D B temp C Outdoor fan speed 1 1 Low pressure at wide tube serveice valve MPa kgf cm2G High pressure at wide tube serveice valve MPa kgf cm2G 25 30 35 40 45 50 5 0 5 10 15 20 25 Outdoor inlet air D B temp C 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 19 W B Heating Indoor air temperature 20 C D B Outdoor air temperature 35 C D B 24 C W B Outdoor air temperature 7 C D B 6 C W B 14 5 2 Throw Distance Chart Indoor Unit SAP K91AHA Room air temp 27 C Fan speed High Horizontal distance m Axis air verocity m s Vertical distance m Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 20 Fan speed High Horizontal distan
57. ransformer TR Rating Primary Secondary Capacity Coil resistance at 21 C Thermal cut off temp Thermistor Coil sensor Resistance Thermistor sensor Resistance kQ Outdoor Unit SAP C91AHA SAP C121AHA Power Relay PR Coil rating Coil resistance Q at 20 Contact rating Thermostat Defrost thermo 23D Operating temp C 4 way Valve 20S Coil rating Coil resistance Q at 20 C PTC Thermistor TH Resistance Q at 25 C Thermostat Fan Speed Control 23S Switching temp C ATR J105 AC 230V 50 60Hz 19V 0 526A 10VA Primary WHT WHT 205 10 Secondary 2 0 10 150 C DTN TKS131B OC 15 0 2 DTN TKS128B 25 5 0 3 DFU24D1 F M DC 24V 650 10 AC 250V 20A TRS02 12MSR ON 12 2 Diff 8 deg below LB81012 Coil VK1100B Valve AC 220 240V 50 60Hz 6W 3 030 7 101YV 100 20 lt Only for SAP C121 models gt MQT5S high gt LOW 28 5 1 5 low HIGH S15 2 Contact rating AC 220V 3A Only for SAP C121 models 3 DIMENSIONAL DATA Indoor Unit SAP K91AHA SAP K121AHA KIEN 58 5 Center of tubing hole 2 places Drain hose 218 Narrow tube 26 35 1 4 Wide tube 29 52 3 8 K91 Wide tube 212 7 1 2 K121 Unit mm Outdoor Unit SAP C91AHA 2 912 holes Wide tube service valve 09 52 3 8 Air discharg
58. re setting 1 when 30 minutes have passed after the selection was made and then another 1 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 Press the 30 min NIGHT SETBACK button 15 Ol 332 015EG 16 Heating Mode Operation with the Remote Control Unit continued When the night setback mode is selected the air conditioner automatically lowers the temperature setting 2 C when 30 minutes have passed after the selection was made and then another 2 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 heating is needed Press the NIGHT SETBACK button Ol 332 016EG DRY 0 Operation How it works Heating Operation Heating performance Defrosting STANDBY lamp OPERATION STANDBY TIMER STANDBY lamp Power failure during operation Clicking Sound Clicking sound is heard from the air conditioner Remote Control Unit Ol 332 017EG Special Remarks 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 auto
59. remely humid space such as a greenhouse Do not install the air conditioner where excessively high heat generating objects are placed Avoid ANF egen 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 2 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details Each unit must be properly grounded with a ground or earth wire or through the supply wiring Wiring must be done by a qualified electrician Safety Instructions Read this Instruction Manual 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 Never use or store gasoline or other flammable vapor or liquid nea 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 a lot of oxygen from the air Otherwise there is a risk of suffocation in an extreme case Do not tum the air conditioner on and off from the power mains switch Use
60. ss the MODE selector button and select the desired mode For heating operation ik For dehumidifving operation For cooling operation 88 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 max 16 min STEP A Set the FAN SPEED selector button to the setting you want If the fan speed is set to As Automatic the fan speed switches automatically according to the difference between the actual room temperature and the temperature setting STEP 5 Press the FLAP button and set the airflow direction as desired Refer to Adjusting the Airflow Direction page 21 To stop the air conditioner press the ON OFF operation button again 13 Ol 332 013EG 3 Adjusting the Fan Speed A Automatic Cooling and DRY mode Heating mode B Manual Operation with the Remote Control Unit continued 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 button to the position A microcomputer in the air conditioner automatically controls the fan
61. stall the anti mold filter and close the suction grill Wipe clean using a soft dry cloth To remove stubborn dirt moisten a cloth in warm water no hotter than 40 C wring thoroughly and then wipe The air intake grille can be removed in order to wash it with water With the air intake grille Air intake grille open all the way grip both arms with your hands and pull toward you to remove To remount hold the air intake grille roughly MEE horizontal and push it in CS 2 until the arm shafts fit into the indentations in the 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 Ol 332 024EG Troubleshooting your air conditioner does not work properly first check the following points before reguesting service If it still does not work properly contact your dealer or service center Possible Cause Remedy Air conditioner does not run at all Power failure Leakage breaker tripped Line voltage is too low Operation button is OFF Batteries in remote control unit have run down OPERATION lamp flashes Trouble in wiring system and air conditioner does not operate Compressor runs but Obstruction i
62. t start again until the temperature rises above 8 C or 6 minutes has elapsed Thermo OFF Thermo ON Room temp 1 ia cU NENNEN Set temp T C More than 6 minutes Indoor heat exch coil temp ed Sp More than 10 minutes o Compressor O ON OFF ON Indoor fan Set speed 32 8 5 Overload Prevention Heating This function prevents overheating of the indoor heat exchange coil When the temperature of the indoor heat exchange coil rises above 54 C and if the indoor fan is L low speed then the fan speed changes from L low speed to M medium speed When the temperature of the indoor heat exchange coil rises above 57 C the outdoor fan stops A 54 Indoor heat exch coil 47 MES ll 44 K Outdoor fan Lang ON Compressor ON 33 8 6 Cold Draft Prevention Heating This function controls indoor fan speed so a strong draft of cold air will not blow out before the indoor heat exchange coil have sufficiently warmed up STANDBY lamp on front of the indoor unit lights up when this function is working when 10 minutes has elapsed the fan speed is automatically switched to set speed regardless of indoor heat exchange coil temperature Max 10minutes 34 Indoor heat exch coil temp C Standby lamp 34 8 7 Defrosting Operation Heating Defrosting Flowchart Compressor ON Release of overload prevention Outdoor fan
63. taneous operation which does not take into account defrost operation Fan speed High Because this air conditioner heats a room by drawing in the heat of the outside air heat pump system the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air conditioner use another heating appliance in conjunction with it 19 6 ELECTRICAL DATA 6 1 Electrical Characteristics Indoor Unit SAP K91 AHA Outdoor Unit SAP C91AHA COOLING Complets Uni 240V Single phase 5092 Rating Conditions Running Amps Power input RW Full Load Conditions Running Amps A Power WW Rating Conditions Indoor Air Temperature 27 C 19 W B Outdoor Air Temperature 35 Full Load Conditions Indoor Air Temperature 32 23 W B Outdoor Air Temperature 43 C HEATING Indoor Unit Outdoor Unit Complete Unit 240V Single phase SOHz Rating Conditions Running Amps A J os 44 Power Input kW 0 040 0 060 0 920 FulloaiGondWons Rumning Amps os s Power Input kW 0 040 0 060 1 110 Rating Conditions Indoor Air Temperature 20 D B Outdoor Air Temperature 7 6C W B Full Load Conditions Indoor Air Temperature 27 D B Outdoor Air Temperature 24 18 W B 20 Indoor Unit SAP K121AHA Outdoor Unit SAP C121AHA COOLING Complete Ui eme omen 240V Single phase
64. 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 or heat the room too much if babies or invalids are present Ol 332 04EG Names of Parts Air intakes INDOOR UNIT Refrigerant tubes OUTDOOR UNIT 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 from the room is drawn into this section and passes through air filters which remove dust Conditioned air is blown out of the air conditioner through the OT dE Remote Control Unit The wireless remote control unit controls power on off 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 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 01 332 05 Unit Display and Operation Selector Operation selector INDOOR UNIT N IMPORTANT
65. 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 during cooling operation Condensation may begin to form around the air vent and drip down 21 Operation without the Remote Control Unit INDOOR 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 temperature setting and fan speed are automatically set to match the settings before operation last stopped provided that operation last stopped less than four hours Operation previously However if operation last stopped more than selector four hours previously the unit switches to the auto operation mode 2 When the air conditioner is running If you want to turn off the air conditioner switch the operation selector to the OFF position Care and Cleaning WARNING 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 This will damage the internal components and cause an electric shock hazard
66. ure Power supply voltage Rotor may be locked up The voltage is too low Measure coil resistance of power relay 43 9 4 Air conditioner operates but abnormalities are observed 9 4 1 Operation does not switch from HEAT to COOL or COOL to HEAT Remote control unit may be defective Receiver in switch Ass y may be defective Measure resistance of 4 way valve s winding COOL HEAT Check voltage between terminals No 4 and No 6 at terminal plate gt Outdoor PCB Ass y is defective DC 24V No voltage appears Indoor PCB Ass y is defective HEAT COOL Check voltage between terminals No 4 and No 6 at terminal plate OV 44 9 4 2 cooling heating Check position of remote control unit YES Cool air from air conditioner reaches Change position of remote control unit position directly Insulate both wide and narrow tubes separately and then tape together e Wide and narrow tubes between indoor unit and outdoor unit are insulated YES Temperature difference Measure temperature of suction and Is small Possibility of Charge refrigerant discharge air of air conditioner gas shortage gas R22 Temperature difference between suction and discharge air is large enough approx 10 deg or more Check for clogging of air filter Clean filter Air filter is clogged YES i Fan speed is set to LOW Se EUM SP

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