technical data & service manual split system air - Termo
Contents
1. E E E J 560 200 KPAF126R5I Unit mm 190 Oro E 86 Ji Center of tubing hole 975 4 places Wide tube Narrow tube Drain hose H q 0 Sy 0 5 1 1 74 10 3 ELECTRICAL DATA 3 1 Electric Wiring Diagrams KAF96RS5I 11 3 9690 15 _GRN YEL KPAF126R5I 12 3 9690 OUTDOOR UNIT 1 GRN YEL 4 ELECTRICAL BOX LAY OUT DRY CONTACT INPUT JUMPERS FAN MOTOR CONNECTOR CAPACITOR DISPLAY BOARD TERMINAL PLATE NOTE DISPLAY BOARD operates when checking the system trough the Diagnostic Mode See SECTION 6 3 for additional details JUMPERS settings are according to indoor unit type cassette ducted floor ceiling and capacity See SECTION 5 9 for details DRY CONTACT details according to SECTION 5 8 13 5 FUNCTION 5 1 1 System Operation Concept The control function is divided between indoor and outdoor unit controllers Indoor unit is the system Master requesting the outdoor unit for cooling heating capa2. connector normal voltage is 220VAC 6 4 6 Checking the electrical expansion valve EEV The EEV has two parts drive part and valve The drive part is a step motor itis ringed on the valve Check the drive voltage 12VDC When Outdoor unit is power on EEV shall run and have click and vibration 28 6 5 Precaution Advise and Notice Items 6 5 1 High voltage in Outdoor unit controller Whole controller including the wires that are connected to the Outdoor unit controller may have the potential hazard voltage when power is on Touching the Outdoor unit controller may cause an electrical shock Advise Don t touch the naked lead wire and don t insert finger conductor or anything else into the controller when power is on 6 5 2 Charged Capacitors Three large capacity electrolytic capacitors are used in the Outdoor unit controller Therefore charging voltage 380VDC remains after power down Discharging takes about four minutes after power is off Touching the Outdoor unit controller before discharging may cause an electrical shock 6 5 3 Additional advises e When disassemble the controller or the front panel turn off the power supply e When connecting or disconnecting the connectors on the PCB hold the whole housing don t pull the wire e There are sharp fringes and sting on shell Use gloves when disassemble the A C units 29 7 CHECKING ELECTRICAL COMPONENTS 7 1 Measurement of Insulation Resistance The in
3. 0 0 1 EE 1_ 1 0 1 1 28 0 1 29 Modis i 1 1 10 1 30 Modl C tt lt tt 24 6 3 2 Indoor unit diagnosis and corrective actions Fault Probable Cause Corrective Action Sensor failures of Check sensor connections or all types replace sensor Communication Indoor and Outdoor Replace Indoor controller mismatch controllers are with different Check Indoor to Outdoor No Encoder Indoor electronics or motor Check motor wiring if ok replace motor if still not ok replace Indoor controller diagnostics 220065 Not System is using ROM No action unless special Updated parameters and not parameters are required for EEPROM parameters unit operation 7 Bad EEPROM No action unless special parameters are required for unit operation Bad Communication quality is low Check Indoor to Outdoor Communication reliability wiring and grounding Using EEPROM No problem System is using data EEPRRRROM parameters 25 6 3 3 Outdoor unit Diagnostics 1 OcTisdscomesed _ 0 0 0 9 1 2 ocrissoed 0 0 9 t 9 3 tris disconnected 1 0 0 9 t 1 4 CrTssted o 1 9 9 5 HST is disconnected when enabled o 0 1 0 1 6 Hsrissoted wenenabeg o 0 1 1 9 7 OAT is disconnected when enable o o 1 1 1 8 OaTisshotedwhenenabeg
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5. Test mode in two ways Automatically when the following conditions exists for 30 minutes continuously Mode Cool Set point 16 Room temperature 2741 Outdoor temperature 35 1 Or Mode Heat Set point 30 Room temperature 20 1 Outdoor temperature 7 1 Manually when entering diagnostics with the following settings Mode Cool Set point 16 Mode Heat Set point 30 5 10 2 Unit Operation in Test Mode In test mode the unit will operate in fixed settings according to the indoor fan speed setting Indoor Fan Speed Setting Unit Setting Minimum Capacity Setting High Nominal Capacity Setting Auto Maximum Capacity Setting During test mode protections are disabled except for stop compressor status 20 5 11 Temperature Compensation room air Units are factory set with Temperature Compensation DISABLED jumper J2 CLOSED In case of indoor units installed on the ceiling it is possible to ENABLE this feature cutting the circuit track on the model plug as shown MODEL PLUG e AD 21 6 TROUBLESHOOTING Warning When Power Up the whole outdoor unit controller including the wiring is under HIGH VOLTAGE Never open the Outdoor unit before turning off the Power When turned off the system is still charged 400V It takes about 4 Min to discharge the system Touching the controller before discharging may cause an el
6. mode will not be changed If no fault occurred in the system no fault code will be displayed during normal operation mode The last fault code will be displayed even if the system has recovered from that fault The last fault will be deleted from the EEPROM after the system has exit diagnostics mode In diagnostics mode system fault status will be indicated by blinking of Heat amp Cool LEDs The coding method will be as follows Heat LED will blink 5 times in 5 seconds and then will be shut off for the next 5 seconds Cool LED will blink during the same 5 seconds according to the following Indoor Outdoor unit tables Note 0 OFF 1 ON RT1 INDOOR COIL sensor 6 3 1 Indoor unit Diagnostics RT2 ROOM sensor 1 RT tisdisconnected Ot 2 RT tisshorted OT Tt 07 3 RT2isdsconeted OT OO tt 4 RT2issoted TO OT tT 5 Reserved CT Ot Ot 7 Communicationmismatch o 0 1 tt 8 NoCommunication 0 150 0 0 9 NoEnodr 10 Reseved 1 0 1 0 1 J0 11 Outdoor UnitFaut 1 0 150 7 1 Reserved 17 Defrost protection tt OT OO Ot 18 DeicingProtection 7 14 0 0 71 0 19 Outdoor Unit Protection 1 0 0 tt 20 Indoor Coil HP Protection 1 0 1 0 0 21 Overflow Protection 1 OT 1 0 1 22 Reseved el TO BadCommunication 1 1 O E
7. with OAT gt 20 C or HST gt 50 C or Faulty OAT Cooling with 20 C gt OAT gt 7 C Cooling with 7 C gt Heating with OAT gt 15 C Outdoor Fan Speed Compressor Frequency CF Routine A Routine B Routine C Routine D OFF 10 CF lt 45 45 s CF 57 57s CF High Low Low Medium When compressor is switched to OFF and the heat sink temperature is above 55 degrees the outdoor fan will remain ON in low speed for up to 3 minutes 5 1 9 Base Heater Control When OAT is connected Base Heater will be on when unit is in heating and OAT lt 2 C When OAT is disconnected Base Heater will be on when unit is in heating 5 2 Fan Mode In high medium low indoor fan user setting unit will operate fan in selected speed In AutoFan user setting fan speed will be adjusted automatically according to the difference between actual room temperature and user set point temperature 5 3 Cool Mode NLOAD is calculated according to the difference between actual room temperature and user set point temperature by PI control In high medium low indoor fan user setting unit will operate fan in selected speed In AutoFan user setting fan speed will be adjusted automatically according to the calculated NLOAD 5 4 Heat Mode NLOAD is calculated according to the difference between actual room temperature and user set point temperature by control In high medium low indoor fan user
8. 13 14 14 16 16 17 17 17 19 20 20 21 22 22 23 24 28 29 1 SPECIFICATIONS 1 1 Unit Specifications KAF96RS5I 220 240 V 50 Hz Voltage rating 230 V Performance Capacity See catalogue with the requested matching Air circulation High Med Low m3 h 400 360 300 Controls Temperature controls Microprocessor thermostat Control unit Wireless remote control unit ON OFF 24 hours 3 and Auto Timer Fan speed Airflow direction Horizontal Manual Vertical Manual Air Filter Washable Anti Mold Power noise level High Med Low 51 48 42 Refrigerant tubing connections Flare type Refrigerant Narrow tube in 6 35 1 4 tube diameter Wide tube in 9 52 3 8 Refrigerant R410A Refrigerant tube kit Air clean filter Optional Optional Dimensions amp Weight Unit dimensions Height Width Depth Package dimensions Height Width Depth Weight Net Shipping Shipping volume DATA SUBJECT TO CHANGE WITHOUT NOTICE KPAF126R5I 220 240 V 50 Hz Voltage rating 230 V Performance Capacity See catalogue with the requested matching Air circulation m h 700 Controls Temperature controls Microprocessor C thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Horizontal Manual Vertical Auto Air Filter Washable Anti Mold Power noise level High 55 Refrigerant tubing connections Flare t
9. TECHNICAL DATA W Technibcl amp SERVICE MANUAL E JA d asa INDOOR UNIT KAF96RS5I KPAF126R5I SPLIT SYSTEM AIR CONDITIONER KAF96R5I 387105968 KPAF126RS5I 387105969 KAF96RS5I KPAF126R5I 0 8180 492 0 03 2006 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 AA x This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death JN 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 instructions In case of improper installation The manufacturer sh
10. agnostics See 6 3 below and follow the actions described Compressor stops during operation and Green LED remains on Electronic control or power supply problem 22 Perform diagnostics See 6 3 below and follow the actions described SYMPTOM PROBABLE CORRECTIVE ACTION CAUSE Compressor is on but Problem with Check outdoor fan motor according outdoor fan does not outdoor electronics to the procedure in section 6 4 3 work or outdoor fan below if not OK replace controller Unit works in wrong Electronics or Check RV power connections if OK mode cool instead of power connection Check RV operation with direct heat or heat instead of to RV 230VAC power supply if OK cool Replace outdoor controller 10 All components are Refrigerant leak Check refrigeration system operating properly but no cooling or no heating 11 Compressor is over EEV problem Check EEV heated and unit does not generate capacity 12 Units goes into Control problem Perform diagnostics See 6 3 protections and refrigeration below and follow the actions compressor is stopped system problem described with no clear reason 13 Compressor motor is Phase order to Check compressor phase order generating noise and compressor is suction occurs wrong 14 Water leakage from Indoor unit Check and open drainage tube indoor unit drainage tube is blocked 15 Freezing of outdoor unit Connect base heater in heat mode and outdoor u
11. all 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 when wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY 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 control lines Use separate cables for each type of line When transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifti
12. and grounding Indoor Outdoor unit Indoor and Outdoor Replace Indoor controller Communication controllers are with mismatch different versions 27 6 4 Simple procedures for checking the Main Parts 6 4 1 Checking Mains Voltage Confirm that the Mains voltage is between 198 and 264 VAC If Mains voltage is out of this range abnormal operation of the system is expected If in range check the Power Circuit Breaker and look for broken or loosed cable lugs or wiring mistake s 6 4 2 Checking Power Input If Indoor unit power LED is unlighted power down the system and check the fuse of the Indoor unit If the fuse is OK replace the Indoor unit controller If the fuse has blown replace the fuse and power up again Checking Power Input procedure for the Outdoor unit is the same as with the Indoor unit 6 4 3 Checking the Outdoor Fan Motor Enter Test Mode where the OFAN speed is high Check the voltage between lead wires according to the normal value as following e Between red wire and black wire 310VDC 20V e Between orange wire and black wire 15VDC 1V e Between yellow wire and black wire 2 6VDC 6 4 4 Checking the Compressor The compressor is brushless permanence magnetic DC motor Three coil resistance is same Check the resistance between three poles The normal value should be below 0 5 ohm TBD 6 4 5 Checking the Reverse Valve RV Running in heating mode check the voltage between two pins of reverse valve
13. ay differ from that of the air conditioner which you are servicing Fig 1 Terminal plate Clip Insulation tube or Oo tester metallic part Fig 2 Clip Copper tube or i RA metallic part O Insulation tester Fig 3 From fan motor compressor and other parts Metallic part Clip Insulation tester Fig 4 7 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 7 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 extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor 31 pc Compressor motor capacitor Ec Fuse Multimeter Fan motor capacitor Fig 7 35 Technibel R D 28 Reyrieux BP 131 01601 Tr voux CEDEX France T l 04 74 00 92 92 Fax 04 74
14. city supply The outdoor unit is the system Slave and it must supply the required capacity unless it enters into a protection mode avoiding it from supplying the requested capacity The capacity request is transferred via indoor to outdoor communication and is represented by a parameter called NLOAD NLOAD is an integer number with values between and 127 and it represents the heat or cool load felt by the indoor unit 5 1 2 Compressor Frequency Control 5 1 2 1 NLOAD setting The NLOAD setting is done by the indoor unit controller based on a PI control scheme The actual NLOAD to be sent to the outdoor unit controller is based on the preliminary LOAD calculation the indoor fan speed and the power shedding function 5 1 3 Target Frequency Setting The compressor target frequency is a function of the NLOAD number sent from the indoor controller and the outdoor air temperature Basic Target Frequency Setting NLOAD Target Frequency 10 NLOAD 127 Interpolated value between minimum and maximum frequency 10 Minimum frequenc 0 j Compressrisstoped Target frequency limits as a function of outdoor air temperature OAT MaxFreqAsOATC 15 s OAT 24 MaxFregAsOA T2H 24 s OAT No limit 9000 Units 12000 Units Maximum frequency Minimum frequency MaxFreqAsOATC 50Hz 50Hz MaxFregAsOAT1H 65Hz 75Hz MaxFreqAsOAT2H 60Hz 602 14 5 1 4 Frequency Changes Control Frequency chang
15. d 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 Diagrams 4 ELECTRICAL BOX LAY OUT 5 FUNCTION 5 1 System Operation concept 5 2 Fan Mode 5 3 Cool Mode 5 4 Heat Mode 5 5 Auto Cool Heat Mode 5 6 Dry Mode 5 7 Protections 5 8 Indoor Unit Dry contact 5 9 Jumper Settings 5 10 Test Mode 5 11 Temperature Compensation 6 TROUBLESHOOTING 6 1 Single Split Sytem failures 6 2 Checking the refrigeration system 6 3 Indoor Outdoor Unit diagnostic 6 4 Checking the main parts 6 5 Precautions 7 CHECKING ELECTRICAL COMPONENTS 7 1 Measurement of Insulation Resistance 7 2 Checking Continuity of Fuse on PCB Ass y 7 3 Checking Motor Capacitor Page Oo A 11 11
16. e rate is 1 Hz sec 5 1 5 Compressor Starting Control Frequency A Step 3 Step 2 Step 1 1 Minute Time 5 1 6 Minimum On and Off Time 3 minutes 5 1 7 Indoor Fan Control 10 Indoor fan speeds are determined for each model 5 speeds for cool dry fan modes and 5 speeds for heat mode When user sets the indoor fan speed to a fixed speed Low Medium High unit will operate constantly at set speed When Auto Fan is selected indoor unit controller can operate in all speeds The actual speed is set according to the cool heat load 5 1 7 1 Turbo Speed The Turbo speed is activated during the first 30 minutes of unit operation when auto fan speed is selected and under the following conditions Difference between set point and actual room temperature is bigger then 3 degrees Room temperature gt 22 for cooling or 25 for heating 9000 Units 12000 Units COOLING HEATING COOLING HEATING Step 1 Step 2 Step 3 15 5 1 8 Outdoor Fan Control 7 outdoor fan speeds are determined for each model 3 speeds for cool and dry modes and 3 speeds for heat mode and a very low speed Outdoor fan speed is a function of compressor frequency and outdoor air temperature OAT 4 routines for fan control are determined The control routine selection depends on operation mode compressor speed outdoor air temperature OAT and heat sink temperature HST Routine Conditions A Heating with OAT 15 or Cooling
17. ectrical shock For safe handling of the controller please refer to section 6 5 below Single Split system failures and corrective actions SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Power supply indicator Red LED does not light up Unit does not respond to remote control message Unit responds to remote control message but Operate indicator Green LED does not light up Indoor fan does not start louvers are opened and Green LED does light up No power supply Remote control message not reached the indoor unit Problem with display PCB Unit in heat mode and coil is still not warm Check power supply If power supply is OK check display and display wiring if OK replace controller Check remote control batteries if batteries are OK check display and display wiring if OK replace display PCB If still not OK replace controller Replace display PCB If still not OK replace controller Change to cool mode and check Problem with PCB or capacitor Indoor fan works when unit is OFF and indoor fan speed is not changed by remote control command Compressor does not start PCB problem Electronics control problem or protection Change to high speed and Check power supply to motor is higher than 130VAC for triack controlled motor or higher than 220VAC for fixed speed motors if OK replace capacitor if not OK replace controller Replace controller Perform di
18. inal 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 5 108 VLT ORG 93 5 108 ORG YEL 211 243 Safety devices Type Thermal protection Operating temp Open 145 5 Close Automatic Run capacitor Flap Motor Type Synchro motor Model M2LJ24ZE31 Rating AC 208 230 V 50 60 Hz No of poles rpm 8 2 5 3 Nominal output 2 5 3 Coil resistance Ambient temp 25 C 16 45 15 Heat Exch Coil Coil Aluminium plate fin Copper tube Rows 2 Fin pitch 1 8 Face area 0 192 DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 3 Other Component Specifications KAF96R5I KPAF126R5I Thermistor Coil sensor TH1 5 Resistance KQ 10 3 Thermistor Room sensor TH2 Resistance KQ 10 5 Components COOL led GREEN HEAT led RED BUZZER 2 DIMENSIONAL DATA KAF96R5I Unit mm
19. ng to reduce strain on your back Sharp edges or thin aluminium fins on the air conditioner can cut your fingers When installing Ina 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 Ina 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 Ina 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 refrigerant tubing for your particular model is specifie
20. nit base is blocked with ice 16 Unit operates with wrong Wrong jumper Perform diagnostics See 6 3 fan speeds or wrong settings below and check if units is frequency operating by EEPROM parameters 6 2 Checking the refrigeration system Checking system pressures and other thermodynamic measures should be done when system is in Test Mode in Test mode system operates in fixed settings The performance curves given in this manual are given for unit performance in test mode when high indoor fan speed is selected Entering test mode Set unit to Cool 16 degrees High indoor fan speed or Heat 30 degrees High indoor fan speed and enter diagnostics 23 6 3 Judgment by Indoor Outdoor Unit Diagnostics Enter diagnostics mode press for five seconds Mode button in any operation mode Acknowledgment is by 3 short beeps and lights of COOL and HEAT LED s Then every short pressing of Mode button will scroll between Indoor and Outdoor unit diagnostic modes by the acknowledgment of 3 short beeps and lighting of COOL and HEAT LED s During the Outdoor unit diagnostics all four Indoor LED s STBY Operate Filter and Timer are blinking When Indoor diagnostics is displayed all four LED s STBY Operate Filter and Timer are ON When system enters diagnostics mode only one fault code is shown Order of priority is from the lower to the higher number Diagnostics is continuously ON as long as power is ON The current system operation
21. o o 9 0 79 TSUC is disconnected when enabled o 1 o 9 1 10 TSUCisshoted whenenabed o 1 0 1 9 arema O O 9 1 1 EEPROM 1 1 9 9 1 under voltage 0 4 1 9 4 56 over votas co 1 1 1 9 55 ac under votos 0 1 1 1 3 EE EHE AME SEALS mismatch 1 ERE 0 i 1 0 o 1 of 1 1 1 0 0 1 21 Deicing 1 1 Reserved 020 Bad Communication iH o 20 Heat sink Over Heating 1 O 1 07 o Po 26 6 3 4 Outdoor unit diagnosis and corrective actions Fault robableCause Corrective Action Sensors failures of all Check sensors types connections or replace sensors IPM Fault Electronics HW Check all wiring and problem jumper settings if OK replace electronics Bad EEPROM No action unless special parameters are required for unit operation DC under over Voltage Electronics HW Check outdoor unit power problem supply voltage AC under Voltage Check outdoor unit power No Communication Communication or Check Indoor to Outdoor grounding wiring is not wiring and grounding good Compressor Lock Switch unit to STBY and restart Bad Communication Communication quality is Check Indoor to Outdoor low reliability wiring
22. rature TLD Time from Last Deicing DI Deicing Interval Time Interval Between Two Deicing Deicing interval time when compressor is first started in heat mode is 10 minutes if OCT 2 and is 40 minutes in other cases Deicing interval time is changed increased decreased in 10 minutes steps as a function of deicing time If deicing time is shorter then former deicing time the deicing interval time will be increased If deicing time is longer then former deicing time the deicing interval time will be decreased 5 7 5 2 Deicing Protection Procedure OCT 12 0 Threshold ON 71 T2 T1 COMP eee HEAT DT RV gt lt yl ON OFAN OFF x VDeicerOpen An 1 2 36 seconds T3 6 seconds 5 8 Indoor Unit Dry Contact Indoor unit Dry contact has two alternative functions that are selected by J8 Contact Open Contact Closed xi 8 Open Presence Detector Connection Forced to STBY J8 Closed Power Shedding Function Limit NLOAD See Jumper Setting section 5 9 for the location of Dry Contact and J8 19 5 0 Jumper Settings Model plug Dry Contact input Indoor units JUMPERS are set according to the following table KAF96RSI_ C 1266 CLOSED jumper J2 Temperature compensation jumper 5 10 Test Mode 5 10 1 Entering Test Mode System can enter
23. setting unit will operate fan in selected speed In AutoFan user setting fan speed will be adjusted automatically according to the calculated NLOAD 5 4 1 Temperature compensation In wall mounted models 2 degrees are reduced from room temperature reading except when in mode to compensate for temperature difference between high and low areas in the heated room 5 4 2 Indoor Fan Control in Heat Mode Indoor fan speed depends on the indoor coil temperature IFAM Speed Turbo Any WL Stop 25 28 30 32C 40 5 5 Auto Cool Heat Mode When in auto cool heat mode unit will automatically select between cool and heat mode according to the difference between actual room temperature and user set point temperature AT Unit will switch from cool to heat when compressor is off for 3 minutes and AT 3 Unit will switch from heat to cool when compressor is off for 5 minutes and AT 3 5 6 Dry Mode As long as room temperature is higher then the set point indoor fan will work in low speed and compressor will work between and 40 Hz When the room temperature is lower than the set point compressor will be switched OFF and indoor fan will cycle 3 minutes OFF 1 minute ON 5 7 Protections There are 5 protection codes Normal Norm unit operate normally Stop Rise SR compressor frequency can not be raised but does not have to be decreased HzDown1 D1 Compressor freq
24. sulation is in good condition if the resistance exceeds 2MQ 7 1 1 Power Supply Wires Clamp the grounding terminal of the power plug with a lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the two power terminals Fig 1 Then also measure the resistance between the grounding and other power terminals Fig 1 7 1 2 Indoor Unit Clamp a metallic part of the unit 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 7 1 3 Outdoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw on the terminal plate Fig 2 Note that the ground line terminal should be skipped for the check 7 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 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 30 power plug Local supply EY me Ground y 4 2 2 JC tester The shape of the power plug m
25. uency is reduced by 2 to 5 Hz per minute HzDown 2 D2 Compressor frequency is reduced by 5 to 10 Hz per minute Stop Compressor SC Compressor is stopped 5 7 1 Indoor Coil Defrost Protection 02 fes mee Sc casing Decreasing lt 2 SC 2 sICT 0 E D1 D2 D2 OsICT lt 2 SR SR D1 D2 D2 17 5 7 2 Indoor Coil over Heating Protection 43 lt ICT lt 4 Norm ICT lt 43 Normal 5 7 3 Compressor over Heating Protection Compressor temperature can be in one of 5 control zones 4 in protection and 1 normal according to the following chart CTT Stop Compresor 105 C 102 C 98 C 94 C 5 7 4 Compressor over Current Protection CCR Stop Compresor EO fee ee SSeS lee Ha See See SS SSS See SS eis HzDown2 7 9A EN HzDown1 bos x 7 5A rr bs Stop Rise 71A Que Ur PCT CT UD Normal 18 5 7 5 Outdoor Coil Deicing Protection 5 7 5 1 Deicing Starting Conditions Deicing operation will start when either one of the following conditions exist Case 1 OCT lt OAT 8 AND TLD gt DI Case 2 OCT lt OAT 12 AND TLD gt 30 minutes Case 3 OCT is Invalid AND TLD gt DI Case 4 Unit is just switched to STBY AND OCT OAT 8 Case 5 NLOAD 0 AND OCT lt OAT 8 OCT Outdoor Coil Temperature OAT Outdoor Air Tempe
26. ype Refrigerant Narrow tube in 6 35 1 4 tube diameter Wide tube in 9 52 3 8 Refrigerant R410A Refrigerant tube kit Air clean filter Optional Optional Dimensions amp Weig 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 KAF96RS5I Controller PCB Part No STORM DCI Controls Microprocessor Control circuit fuse 250 V 3 15 Remote Control Unit 7 Fan amp Fan Motor Cross flow Dia and lenght 1 100 L 410 Fan motor model Q ty K35406 M01892 1 No of poles rpm 230 V High 4 1196 Nominal output 27 Running Amps 0 12 Power input 26 Coil resistance Ambient temp 25 C GRY WHT 545 630 WHT VLT 92 105 VLT YEL 62 71 GRY BRN 78 90 Safety devices Type Thermal protection Operating temp Open 150 10 Close Automatic Run capacitor 1 450 Aluminium plate fin Copper tube 1 1 4 Face area 0 185 DATA SUBJECT TO CHANGE WITHOUT NOTICE KPAF126R5I Controller PCB Part No STORM DCI Controls Microprocessor Control circuit fuse 250V 3 15A Remote Control Unit RC 7 RC 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 Nom
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