technical data & service manual split system air conditioner
Contents
1. 3 2 Wiring System Diagram KPAF128 GRF128L5 INODDR UNIT QUTODOR UNIT 1 phase 3 phase KPAF188 GRF188L7 KPAF188 GRF188L5 KPAF228 GRF228L7 INODDR UNIT QUTDDOR UNIT INDODR UNIT OUTDOOR UNIT A B power supply control line delayed fuse m mm m mm GRF128 15 1 5 15 1 5 10A GRF188 15 85 25 1 5 16A GRF228 15 65 20 3 Phase version 4 FUNCTION 4 1 Cool Mode Operation RAT SPT C 3 2 wn an a a nn nw nn ee ee ee ee _ i 1 r LI x 1 1 i 1 6 minutes i i Over 3 minimum gt i ON i I CM E 1 i 1 ON FMO orr a NEN 1 1 1Over30sec 124 MEN H 1 1 1 FMI L ON RV oFF In Cooling Mode the operation of the compressor CM Outdoor Fan FMO and Indoor Fan FMI are determined by the difference between the room air temperature RAT and the set point temperature SPT as shown in the graph NOTES 1 In this graph the FMI is operating with the Auto Fan Speed setting If the user has selected the Low Medium or High fan speed the FMI will run constantly at that speed only 2 In addition to the temperature difference of above the operations of the main components CM FMO FMI is2. 4 WRONG MODE F F F System does not operate SELECTED O LED off LED on F LED blinking 4 10 JUMPERS CONFIGURATION Jumpers are located on the indoor PCB near the MODE button JP1 G c JPS JP4 aa J1 Unit is shipped with jumpers set according to the following table Ls 1 dq ENAS I L qi CN LINE IN Uu 241 18 4 11 Contacts for Building Automation 4 11 1 INPUT CONTACT J4 green The status of this input affects system operation according to the following Contact OPEN system does not operate always OFF inputs from wireless remote controller are not processed Contact CLOSED system operates in the normal way according to the inputs coming from wireless remote controller 4 11 2 OUTPUT CONTACT J12 This connector is directly tied to the contact normally open of a power relay which activates every time the following alarm condition occur e RAT damaged e ICT damaged In this case when alarm happens on poles 1 and 3 of J12 connector 220 VAC 50Hz are available Max electrical load 1A 240VAC INPUT CONTACT CONNECTOR J4 GREEN STATUS CLOSED spa OUTPUT CONTACT CONNECTOR J12 RED USED TO SIGNAL AN ALARM CONDITION EX
3. Conditioner do not operate 5 6 Air Conditioner operates but abnormalities are observed 5 7 Poor Cooling 5 8 Excessive Cooling 5 9 If a Sensor is defective 6 CHECKING ELETRICAL COMPONENTS 6 1 Measurement of Insulation Resistance 6 2 Checking Continuity of Fuse on PCB Ass y 6 3 Checking Motor Capacitor 11 12 12 13 14 14 15 15 15 16 16 17 17 18 18 19 20 21 21 21 21 22 23 24 26 27 27 28 28 29 29 1 SPECIFICATIONS 1 1 Unit Specifications KPAF128C5TAA Power source 220 240V 50Hz Voltage rating 230 V 50 Hz Performance Capacity See catalogue with the requested matching Air circulation High m3 h 700 Features Controls Temperature controls Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Auto Remote control Air Filter Washable easy acces long life 2500 hr Power noise level High 55 Refrigerant tubing connections Flare type Refrigerant Narrow tube in 6 35 1 4 tube diameter Wide tube in 12 7 1 2 Refrigerant R410A Dimensions amp Weight Unit dimensions Height Width Depth Package dimensions Height Width Depth Weight Net Shipping Shipping volume DATA SUBJECT TO CHANGE WITHOUT NOTICE KPAF188C5TAA 220 240V 50Hz 230 V 50 Hz Voltage rating Performance Capacity Air circulation High Med Low Fe
4. thinner pin 28 EATHER LINE PROEE CLIP COPPER TUBE OR METALLIC PART Fig 2 CLIP COPPER TUBE OR METALLIC PART Fig 3 FROM FAN MOTOR COMPRESSOR AND OTHER PARTS METALLIC t PART N A JE CLIP i m 9 K INSULATION TESTER Fig 4 6 2 Checking Continuity of fuse on PCB assy Remove PCB assy from electrical component box fig 5 Then pull out the fuse from PCB assy FUSE PCB ASSY Fig 5 Check continuity of fuse by the multimeter fig 6 FUSE Fig 6 6 3 Checking Motor Capacitor Remove the lead wires 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 U LTIMETER extent and the gradually returns to its original position d The range of deflection and deflection time deffer according to capacity of the capacitor i Wa COMPRESSOR de MOTOR CAPACITOR FANMOTOR CAPACITOR Fig 7 29 36 Technibel lt ti x a R D 28 Reyrieux BP 131 01601 Tr voux CEDEX France T l 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse B 759 200 728
5. 5 4 5 Forced Mode In this mode the system operates COOLING mode fixed settings or is switched off by means of the MODE button of the indoor unit control board The operation modes can be selected pressing the button in a cyclic way OFF COOL OFF The settings are SET POINT temperature 25 C FAN SPEED HIGH 4 6 Protection operations in Cool and Dry Mode This protection prevents ice formation on the indoor coil heat exchanger The protection is activated by the indoor coil temperature ICT sensor and only after 6 minutes of compressor operation This protection acts in 2 levels LEVEL 1 INDOOR FAN SPEED ANY as selected from remote controller COMPRESSOR ON OUTDOOR FAN cycling 30 seconds ON gt 30 seconds OFF LEVEL 2 INDOOR FAN SPEED ANY as selected from remote controller COMPRESSOR OFF for at least 6 minutes and until ICT gt 8 C OUTDOOR FAN OFF for at least 6 minutes and until ICT 2 8 C The system exit this protection routine when ICT temperature rises above 8 C 16 4 7 FEEL Function As standard configuration the air conditioner operates detecting the room temperature through the sensor equipped in the wireless remote controller icon FEEL shown on the display This feature provides a personalised environment since the temperature can be detected where the remote controller is located It is possible to de activate this option pressing the FEEL button on the remote controller In thi
6. AMPLE SIGNAL LAMP WHEN ALRM IS ON LAMP LIGHTS UP SZ SIGNAL E FIELD SUPPLY 4 12 Maintenance Changing the Address of the Air Conditioner In case of more than one air conditioner operating in the same room it may be necessary to assign an address to each unit in order to avoid operation conflicts Address is set acting on the dip switches located on the indoor PCB and on the remote controller The PCB settings must match the corresponding ones on the wireless remote controller How to change address of the air conditioner Dip switch is located on the indoor PCB near the buzzer Set the PCB to the address desidered UNIT SETTINGS ON ADDRES SW1 sw2 As default switches SW1 and SW in off status PCB factory state How to change address on Remote Control Unit Dip switch is located on the battery compartment 1 Pull out the door and remove the batteries 2 Set the switch SW1 and SW2 according to the indoor PCB settings do not act SW3 and SW4 3 Insert the batteries and pull on the door As default switches SW1 and SW2 are in off status remote controller factory state m UM 4 AAA 15V ON 20 5 IROUBLESHOOTING 5 1 Check Before and After Troubleshooting A Check power
7. AN MOTOR WINDINGS IS IT DEFECIVE YES REPLACE THE INDOOR FAN MOTOR NO Y PCB ASSY IS DEFECTIVE REPLACE THE PCB ASSY CHECK SETTING TEMPERATURE LOWER SET POINT TEMPERATURE USING TEMPERATURE SETTING BUTTON OF THE REMOTE CONTROLLER THE UNIT STILL DOES NOT RUN TRY TO OPERATE WITH ANOTHER REMOTE CONTROLLER DOES THE UNIT RUN THE FIRST REMOTE CONTROLLER IS DEFECTIVE 25 5 7 Poor Cooling FEEL IS SELECTED CHECK THE POSITION OF THE CHANGE THE POSITION OF THE REMOTE CONTROLLER DOES THE AIRFLOW FROM THE UNIT REACH DIRECTLY THE REMOTE CONTROLLER REMOTE CONTROLLER YES FAN SPEED IS THE INDOOR FAN SPEED SET IN LOW SPEED YES SET FAN SPEED TO MEDIUM OR HIGH COOLING HEATING LOAD REDUCE COOLING HEATING LOAD OR INSTALL AN ADDITIONAL UNIT IF THE PERFORMANCE OF THE UNIT IS NORMAL REVIEW COOLING HEATING LOAD ESTIMATE FEEL IS NOT SELECTED MEASURE TEMPERATURE OF SUCTION AND DISCHARGE AIR IS THE TEMPERATURE DIFFERENCE BETWEEN SUCTION AND DISCHARGE AIR TOO BIG 15 C OR MORE THERE IS THE POSSIBILITY OF GAS SHORTAGE NO CHARGE THE REFRIGERANT GAS YES THE AIR FILTER IS CLOGGED 26 5 8 Excessive Cooling FEEL IS SELECTED CAN NOT DETECT PROPERLY ROOM TEMPERATURE THE REMOTE CONTROLLER OF THE UNIT IS PLACED IN A
8. COMPANY 5 4 Unit and Compressor Do Not Run The unit does not run when air conditioner is in the follwing conditions When the room temperature is below the setting temperature During the protection modes CHECK PCB TRY TOLOWER SETPOINT TEMPERATURE THROUGH THE REMOTE CONTROLER F DOES THE UNIT RUN lt lt ISTHE ROOM TEMPERATURE TOO LOW gt CHECK ROOM SENSOR TH ROOM IS IT OK 2 THE ASSY IS DEFECTIVE NO k 20 REPLACE ROOM SENSOR TH ROOM 22 5 5 Some Parts of the Air Conditioner Do Not Operate INDOOR OUTDOOR FAN DOES NOT RUN CHECK FOR FOREIGN MATTER REMOVE FOREIGN MATTER INSIDE THE FAN CASING OR REPAIR THE FAN CHECK THE FAN ROTATION TURN THE FAN GENTLY ONCE OR TWICE BY HAND CAN THE FAN BE TURNED ON FAN MOTOR BURNOUT OR REPAIR THE FAN OR FOREIGN MATTER IN BEARING REPLACE IT vES REPLACE THE FAN MOTOR CHECK FAN MOTOR CAPACITOR YES IS IT DEFECTIVE CAPACITOR NO MEASURE THE RESISTANCE OF THE FAN MOTOR WINDING IS IT DEFECTIVE YES REPLACE THE FAN MOTOR COMPRESSOR MOTOR DOES NOT RUN MEASURE THE RESISTANCE OF THE COMPRESSOR MOTOR WINDINGS IS IT DEFECTIVE YES REPLACE THE COMPRESSOR MOTOR NO REPLACE THE COMPRESSOR MOTOR CHECK THE COMPRESSOR MOTOR CAPACITOR CAPACITOR IS IT DEFECTIV
9. E YES NO CHECK THE OVERLOAD RELAY OLR IS IT TRIPPED AND IS THE COMPRESSOR TEMPERATURE ABNORMALLY HIGH NO THE OLR IS DEFECTIVE REPLACE IT YES IS THERE A SHORTAGE OF REFRIGERANT GAS YES CHARGE WITH REFRIGERANT GAS NO Y CHECK THE COMPRESSOR THERE IS A POSSIBILITY OF LOCKED ROTOR REPLACE THE COMPRESSOR 23 5 6 Air Conditioner Operates but Abnormalities are Observed OPERATION DOES NOT SWITCH FROM HEAT TO COOL AND OR FROM COOL TO HEAT REMOTE CONTROLLER UNIT MAY BE DEFECTIVE MEASURE THE RESISTANCE OF THE SOLENOID COIL WINDING RECEIVER ASSY MAY BE DEFECTIVE 20 S 4 WAY VALVE CHECK MODE BUTTON ON THE UNIT PUSH THE MODE BUTTON THE UNIT DOES NOT RUN PCB ASSY IS DEFECTIVE CHECK REMOTE CONTROL UNIT TRY TO OPERATE WITH ANOTHER YES THE FIRST REMOTE CONTROLLER IS REMOTE CONTROLLER DEFECTIVE _ DOES THE UNIT RUN a CHECK THE IR TRANSMITTER OF THE CLEAN THE IR TRANSMITER OF THE REMOTE CONTROLLER i ISITDIRTY CHECK THE IR RECEIVER OF THE I INDOOR UNIT gt IS IT DIRTY CLEAN THE IR RECEIVER OF THE INDOOR UNIT 24 CHECK FUSE ON PCB ASSY IN THE UNIT CHECK FUSE ON PCB ASSY IF THE FUSE BLOWS THERE IS THE POSSIBIBILITY OF A SHORT CIRCUIT MEASURE THE RESISTANCE OF THE INDOOR F
10. POSITION WHERE IT CHANGE THE POSITION OF THE REMOTE CONTROLLER 5 9 A Sensor Is Defective ROOM SENSOR TH ROOM STANDBY LED ON THE FRONT SIDE OF THE UNIT IS BLINKING ROOM SENSOR TH ROOM IS DEFECTIVE INDOOR COIL SENSOR STANDBY AND OPERATION LEDS ON THE FRONT OF THE UNIT ARE BLINKING 27 INDOOR COIL SENSOR IS DEFECTIVE 6 CHECKING ELETRICAL COMPONENTS 6 1 Measurement of Insulation Resistance The insulation is in good condition if the resistance exceeds 1 MOhm a Power Supply Wires Clamp the earthed 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 earthed wire and the other power wires fig 1 b Unit Clamp an alluminium plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on N terminal and then on Lterminal the terminal plate fig 2 c Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the disired electric part from terminal plate PCB assy capacitor etc Similary disconnect the connector Then measure the insulation resistance fig 1 to 4 Refer to electric wiring diagram NOTE If the probe cannot enter the poles because the hole is too narrow then use a probe with a
11. TECHNICAL DATA Ne Technibel amp SERVICE MANUAL E eS ous acia INDOOR UNIT KPAF128C5TAA KPAF188C5TAA KPAF228C5TAA SPLIT SYSTEM AIR CONDITIONER Model No Product Code No KPAF128C5TAA 387105979 KPAF188C5TAA 387105980 KPAF228C5TAA 387105981 0 8180 570 0 04 2009 IMPORTANT Please read before installation This air conditioning system meets strict safety and operating standards For the installer or service person it is important to install or service the system so that it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual The unit must be supplied with a dedicated electrical line AN This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death AN CAUTION This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage If necessary get help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sale service outlet or your certified dealer for additional instruct
12. also controlled by protection delays That is the minimum off time of compressor is 3 minutes the minimum off time of compressor is 3 minutes the indoor fan can change speed only after it has operated at the same speed for 30 sec if in AUTO and 1 sec for the other settings High Med Low 14 4 2 Dry Mode Operation Dry operation remove moisture from indoor air running in cooling mode at a low level without reducing the ambient temperature This is done cycling ON and OFF indoor and outdoor units according to below ROOM DRY LEVEL TEMP Operation according to COOLING mode CMon lt SPT 2 C LEVEL 1 FMO on gt SPT 1 C FMI switches between L and LL 30 seconds RV off CM switches 9 minutes off and 3 minutes on lt SPT 1 C LEVEL 2 FMO switches 9 minutes off and 3 minutes ON gt 15 C FMI switches off and L during CM operation RV off DRY OFF ZONE FMO off SPT Set Point Temperature 4 3 Fan Mode Operation With this mode the indoor fan is turned on while CM FMO and RV stay off all the time The user can select between 3 speeds HIGH MEDIUM and LOW 4 4 Auto Fan speed With this option selected the indoor fan speed changes automatically according to the difference between the detected air temperature RAT sensor and the set point SPT COOLING MODE 2 lt RAT SPT HIGH speed 1 lt RAT SPT lt 2 MEDIUM speed RAT SPT lt 1 LOW speed NOTE SPT Set Point Temperature 1
13. atures Controls Temperature controls m3 h See catalogue with the requested matching 720 615 515 Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Auto Remote control Air Filter Washable easy acces long life 2500 hr Power noise level High Med Low 56 52 47 Refrigerant tubing connections Flare type Refrigerant tube diameter Narrow tube 6 35 1 4 Wide tube 12 7 1 2 Refrigerant R410A Refrigerant control Dimensions amp Weight Unit dimensions Height Width Depth Capillary tube Package dimensions Height Width Depth Weight Net Shipping Shipping volume DATA SUBJECT TO CHANGE WITHOUT NOTICE KPAF228C5TAA 220 240V 50112 Voltage rating 230 V 50 Hz Performance Capacity See catalogue with the requested matching Air circulation High Med Low m3 h 830 760 665 Controls Temperature controls Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Auto Remote control Air Filter Washable easy acces long life 2500 hr Power noise level High Med Low dB A 60 57 54 Refrigerant tubing connections Flare type Refrigerant Narrow tube mm in 6 35 1 4 tube diameter Wide tube 15 88 5 8 Refrigerant R410A Refrigeran
14. e kO 10 at 25 C 2 DIMENSIONAL DATA 900 190 y e r B e ee 74 con of tubing hole 74 975 4 places Wide tube 612 7 1 2 Narrow tube 96 35 1 4 7 Drain hose 226 st D lt Units mm 11 3 1 Electric Wiring Diagram 12 3 ELECTRICAL DATA KPAF128C5TAA O os 1 0 2 LINA O LINA O A
15. et a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminium fins on the air conditioner can cut your fingers When installing In a ceiling Make sure the ceiling is strong enough to hold the unit weight It may be necessary to build a strong wooden or metal frame to provide added support lh a room Properly insulate any tubing run inside a room to prevent sweating which can cause dripping and water damage to walls and floors In moist or uneven locations Use a raised concrete base to provide a solid level foundation for the outdoor unit This prevents damage and abnormal vibrations In area with strong winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a snowy area for heat pump type systems Install the outdoor unit on a raised platform that is higher then drifting snow Provide snow vents When connecting refrigerant tubing Keep all tubing runs as short as possible Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them screw by hand and then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run NOTE Depending on the system type liquid and gas lines may be either narrow or wide Therefore to avoid confusion the
16. ions 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 During installation connect before the refrigerant system and then the wiring one proceed in the reverse orden when removing the units BENGE wren wiring ELECTRICAL SHOCK CAN CAUSE SEVERE AN PERSONAL INJURY OR DEATH ONLY QUALIFIED EXPERIENCED ELECTRICIANS SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked to ensure the grounding 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 and death Ground the unit following local electrical codes The Yellow Green wire cannot be used for any connection different from the ground connection Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan Do not use multi core cable when wiring the power supply and control lines Use separate cables for each type of line When transporting Be careful when picking up and moving the indoor and outdoor units G
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18. nal output 31 5 Running Amps 0 34 Power input 72 Coil resistance Ambient temp 25 C GRY WHT 194 223 WHT PNK 238 274 WHT VLT 80 1 92 2 VLT ORG 80 1 92 2 ORG YEL 200 230 Safety devices Type Thermal protection Operating temp Open 145 5 Close Automatic Run capacitor 2 0 440 Stepping motor MP24Z2 DC 12V 400 796 Aluminium plate fin Copper tube 2 1 8 0 192 DATA SUBJECT TO CHANGE WITHOUT NOTICE KPAF228C5TAA Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250 V 3 15 A Fan amp Fan Motor 2 54mm 5pcs Cross flow Dia and lenght 2 130 1 180 Fan motor model Q ty K48410 M015898 1 No of poles rpm 230 V High 4 1370 Nominal output 35 Running Amps 0 35 Power input 74 Coil resistance Ambient temp 25 C GRY WHT 124 144 WHT PNK 255 294 WHT VLT 69 3 79 8 VLT ORG 69 3 79 8 ORG YEL 200 233 Safety devices Type Thermal protection Operating temp Open 145 5 Close Automatic Run capacitor 2 0 440 Stepping motor 2422 DC 12V 400 7 Aluminium plate fin Copper tube 1 8 0 192 DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 3 Other Component Specifications Thermistor Coil sensor TH1 10 3 Thermistor Room sensor NTC THERMISTOR Resistanc
19. refrigerant tubing for your particular model is specified as narrow tube for liquid wide tube for gas When servicing Turn the power OFF at the main power board before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after the work remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Ventilate the room during the installation or testing the refrigeration system make sure that after the installation no gas leaks are present because this could produce toxic gas and dangerous if in contact with flames or heat sources Table of Contents 1 SPECIFICATIONS 1 1 Unit specifications 1 2 Major Component specifications 1 3 Other Component specifications 2 DIMENSIONAL DATA 3 ELECTRICAL DATA 3 1 Electric Wiring Diagram 3 2 Wiring System Diagrams 4 FUNCTION 4 1 Cool Mode Operation 4 2 Dry Mode Operation 4 3 Fan Mode Operation 4 4 Auto Fan Speed 4 5 Forced Mode 4 6 Protection Operations in Cool and Dry Modes 4 7 FEEL Function 4 8 NIGHT Function 4 9 Diagnostic 4 10 Jumpers Configuration 4 11 Contacts for Building Automation 4 12 Maintenance 5 TROUBLESHOOTING 5 1 Check before and after troubleshooting 5 2 Circuit Breaker Trips or Fuse Blows 5 3 Circuit Breaker in several minutes after turning air conditioner on 5 4 Unit and Compressor do not run 5 5 Some parts of the Air
20. s case the FEEL icon is no longer displayed and room temperature is detected through the sensor included in the indoor unit 4 8 NIGHT Function When this function is active room temperature changes automatically to compensate for body temperature variations while sleeping After 10 hours of operation system switches automatically to OFF state Room temperature NIGHT function active xa System switches to OFF state COOLING and DRY modes SPT 3 C SPT 2 C SPT 1 C SPT Start of I NIGHT Hours function 17 4 9 Diagnostic With this feature is possible to have a visual signal that a trouble is occurring This mode is always active and the signalling is made through the display board LEDS In case of no troubles the LEDS status follows its normal function NOTES The troubles are showed according a priority list that is case of more than one trouble present is always showed at first the one with the highest priority 1 gt 2 gt 3 etc Sensor damaged means a situation where sensor is short circuited or opened e Incase of damaged sensors the system CM FMO FMI etc if in OFF state does not start e WRONG MODE SELECTED means a situation where the operating mode chosen with remote controller does not comply with the one allowed by jumpers settings Priority TROUBLE LEDS status Effects LD1 stby LD2 opr LD3 timer RAT damaged F O O System does not operate damaged F F O
21. supply wiring Check the power supply wires are correctly connected B Check power supply Check that voltage is in specified range 10 of the rating Check that power is being supplied WARNING If the following troubleshooting must be done with power supplied be careful not to touch any uninsulated live part that can cause shock 5 2 Circuit Breaker Trips or Fuse Blows When circuit breaker is set to ON it trips in a few moments Resetting is not possible Measure insulation resistance There is a possibility of ground fault If resistance value is 1 Mohm or less insulation is defective 5 3 Circuit Breaker Trips in Several Minutes After Turning Air Conditioner On 1 There is the possibility of short circuit CHECK CAPACITY OF CIRCUIT BREAKER NO REPLACE WITH ANOTHER OF LARGER CAPACITY OF CIRCUIT BREAKER IS CAPACITY SUITABLE YES Y MEASURE RESISTANCE OF COMPRESSOR MOTOR WINDING Y MEASURE RESISTANCE OF OUTDOOR FAN MOTOR WINDING 21 2 The unit does not run Power is not supplied Check fuse on PCB assy IF FUSE BLOWS THERE IS A POSSIBILITY OF SHORT CIRCUIT CHECK POWER SUPPLY IS POWER BEING SUPPLIED TO WALL RECEPTACLE MEASURE RESISTANCE INDOOR FAN MOTOR WINDING NO L CIRCUIT BREAKER IS POWER FAILURE TRIPPED Y Y WAIT FOR RESET THE RECOVERY OR BREAKER CONTACT POWER
22. t control Capillary tube Dimensions amp Weight Unit dimensions Height Width Depth Package dimensions Height Width Depth Weight Net Shipping Shipping volume DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 2 Major Component Specifications KPAF128C5TAA Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250 3 15 A 2 54 5 Remote Control Unit SAC W REM Fan amp Fan Motor Cross flow Dia and lenght 2 130 L 180 Fan motor model Q ty K48407 M01596 1 No of poles rpm 230 V High 4 1160 Nominal output 21 Running Amps 0 29 Power input 65 Coil resistance Ambient temp 25 C GRY WHT 298 343 WHT PNK 421 485 WHT VLT 93 5108 VLT ORG 93 5108 ORG YEL 211 243 Safety devices Type Thermal protection Operating temp Open 145 5 Close Automatic Run capacitor Type Stepping motor Model MP24Z2 Rating DC 12V Coil resistance Ambient temp 25 C 400 796 Aluminium plate fin Copper tube 1 5 0 177 DATA SUBJECT TO CHANGE WITHOUT NOTICE KPAF188C5TAA Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250 3 15 A 2 54mm 5pcs Fan amp Fan Motor Cross flow Dia and lenght 2 130 L 180 Fan motor model Q ty K48410 MO1597 1 No of poles rpm 230 V High 4 1280 Nomi
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