Johnson Controls York FREE MATCH EK Series Service Manual
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Johnson Controls York FREE MATCH EK Series Service Manual

Johnson Controls York FREE MATCH EK Series Service Manual

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EK
YSCC24FSAADG
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death

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Summary of Contents for Johnson Controls York FREE MATCH EK Series

  • Page 1 YSCC24FSAADG This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians.

  • Page 2: Table Of Contents

    YSCC24FSAADG Table of Contents 1. Features..................... 1 2. Introduction ....................2 3. Specifications .................... 7 4. Printed circuit board connector wiring diagram ........9 5. Functions and control ................10 5.1 Main functions and control specification ..........10 5.2 Value of thermistor ................... 13 6.

  • Page 3: Features

    YSCC24FSAADG Table of Contents Domestic Air Conditioner...

  • Page 4: Introduction

    YSCC24FSAADG Table of Contents 2. Introduction 2.1 Safety Cautions Be sure to read the following safety cautions before conducting repair work. The caution items are classified into “Warning” and “Caution”. The “Warning” items are especially important since they can lead to death or serious injury if they are not followed closely. The “Caution” items can also lead to serious accidents under some conditions if they are not followed.
  • Page 5 YSCC24FSAADG Introduction Warning Do not repair the electrical components with wet hands. Working on the equipment with wet hands can cause an electrical shock. Do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical shock.
  • Page 6 YSCC24FSAADG Introduction Warning Be sure to use an exclusive power circuit for the equipment, and follow the technical standards related to the electrical equipment, the internal wiring regulations and the instruction manual for installation when conducting electrical work. Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire. Be sure to use the specified cable to connect between the indoor and outdoor units.
  • Page 7 Introduction YSCC24FSAADG 2.1.3 Inspection after Repair Warning Check to make sure that the power cable plug is not dirty or loose, then insert the plug into a power outlet all the way. If the plug has dust or loose connection, it can cause an electrical shock or fire. If the power cable and lead wires have scratches or deteriorated, be sure to replace them.
  • Page 8 Introduction YSCC24FSAADG 2.1.4 Using Icons Icons are used to attract the attention of the reader to specific information. The meaning of each icon is described in the table below: 2.1.5 Using Icons List Icon Type of Information Description A “note” provides information that is not indispensable, but may Note: Note nevertheless be valuable to the reader, such as tips and tricks.

  • Page 9: Specifications

    YSCC24FSAADG Specifications YSCC24FSAADG Model Cooling 6.4/6.2 Btu/h Capacity Rated 22000/21400 kcl/h 45504/5332 POWER SUPPLY NOMINAL Phase DISTRIBUTION Frequency SYSTEM VO LTAGE 230/208V Voltage Moisture Removal 8.6/9.3 Running Current(Rated) Power Consumption Rated 1950/1900 EER Rated Liquid 9.52 Piping Connections 15.88 (external diameter) Drain Heat Insulation Both liquid and Gas Pipes...
  • Page 10 Specifications YSCC24FSAADG Outdoor Unit HSU24VCK Casing Color lvory white Type Hermetic motor compressor Model Motor Output 1480 Compressor a 68HES-H or equivalent Oil Type Oil Charge Model R410A Refrigerant Charge 53.3 m³/min Air Flow Rate (H/L) 1882.7 Axial fan Type Motor Output 8.6/9.3 Runing current(rated)

  • Page 11: Printed Circuit Board Connector Wiring Diagram

    YSCC24FSAADG Connector Wiring Diagram 4.Printed Circuit Board Connector Wiring Diagram 4.1 Indoor unit Connectors Indoor PCB 1)CN26 connector for DC fan motor. 2)CN11 connector for step motor. 3)CN32-2 connector for receiver display. 4)CN54 connector for power line N. 5)CN1 connector for ambient temp. sensor and piping temp.sensor. 6)CN48 connector for Emergency switch.

  • Page 12: Functions And Control

    YSCC24FSAADG Functions and Control 5 Functions and control 5.1 main functions and control specifications Including brief introduction to air conditioners of series models and electric control function. 5.1.1 Automatic running (1) Single cold automatic run mode: After entering into this mode, the main control “MCU” determines the corresponding work pattern according to the indoor temperature so as to maintain the preset temperature (the preset temperature is 78°...
  • Page 13 YSCC24FSAADG Functions and Control (1)High temperature expiration prevention:When the temp.of coil pipe is above 161 °F,compre- ssor andoutlet air stop running 10 seconds later, and inlet air runs as the temp. sensor is off. When compressorstands by for 3 minute and the temp. of coil pipe is below 149 °F, the unit can be started again. Protection of frost is available (disable in test run or heating mode): In order to prevent the indoor heat exchanger from freezing (in refrigation or dehumidifying mode), the compressor will be shut off When the temperature of the indoor coil pipe is or below 30 °F and the compressor runs for...
  • Page 14 Functions and Control YSCC24FSAADG hours and then close. 5.1.6.2 In heating mode, the temp. setting decrease 3 F one hour after start up. After another hour the temp. setting decrease by more 3 F. After 3 hours the temp. setting rise by 1 F and then run continuously for another 3 hours and then close 5.1.6.3 If the wind speed is set to high before going to bed, the wind speed become medium after start up;...

  • Page 15: Value Of Thermistor

    YSCC24FSAADG Functions and Control function of power on is optional. (In auto, heating, cooling, or defrosting status, press the “ ” button to enter additional options when cycle dispay to will flash and then press quickly press and then press rapidly 10 times within 6 seconds, and the auto recovery function of power on can be set on/off.
  • Page 16 YSCC24FSAADG Functions and Control 123.4597 113.7009 104.5852 -1.49 1.39 116.4577 107.4349 98.9897 -1.47 1.38 109.8953 101.5523 93.7278 -1.45 1.36 103.7422 96.0274 88.7774 -1.43 1.34 97.9708 90.8365 84.1185 -1.40 1.32 92.5551 85.9574 79.7322 -1.38 1.30 87.4712 81.3697 75.6011 -1.36 1.29 82.6970 77.0544 71.7088 -1.34...
  • Page 17 YSCC24FSAADG Functions and Control 14.0599 13.3650 12.6889 -1.20 1.16 13.4786 12.7957 12.1325 -1.23 1.20 12.9244 12.2537 11.6035 -1.27 1.24 12.3960 11.7375 11.1004 -1.31 1.27 11.8921 11.2459 10.6218 -1.35 1.31 11.4113 10.7775 10.1665 -1.39 1.34 10.9526 10.3311 9.7330 -1.43 1.38 10.5147 9.9056 9.3204 -1.48...
  • Page 18 YSCC24FSAADG Functions and Control 2.7845 2.5176 2.2735 -3.12 2.86 2.6931 2.4324 2.1943 -3.17 2.90 2.6050 2.3505 2.1182 -3.22 2.94 2.5203 2.2717 2.0451 -3.28 2.99 2.4388 2.1960 1.9749 -3.33 3.03 2.3602 2.1231 1.9075 -3.38 3.07 2.2846 2.0530 1.8426 -3.43 3.12 2.2118 1.9856 1.7803 -3.48...
  • Page 19 YSCC24FSAADG Functions and Control Pipe Sensor B25 /50 Temp.(( )) Max.(K ) Normal(K Tolerance( ) 165.2170 147.9497 -1.94 1.75 155.5754 1.74 146.5609 -1.91 1.71 1.70 110.9627 1.69 115.9272 1.67 109.4410 1.66 1.64 97.6556 76.5017 -1.76 1.62 79.6222 72.5729 -1.74 1.60 -1.72 1.59 71.5010...
  • Page 20 YSCC24FSAADG Functions and Control 24.1432 22.8656 21.6361 -1.20 1.16 23.0284 21.8398 20.6939 -1.18 1.14 21.9714 20.8659 19.7982 -1.15 1.12 20.9688 19.9409 18.9463 -1.13 1.09 20.0176 19.0621 18.1358 -1.11 1.07 19.1149 18.2270 17.3646 -1.08 1.05 18.2580 17.4331 16.6305 -1.06 1.03 17.4442 16.6782 15.9315 -1.03...
  • Page 21 YSCC24FSAADG Functions and Control 4.2026 3.9686 3.7443 -1.65 1.59 4.0588 3.8287 3.6084 -1.70 1.62 3.9206 3.6943 3.4780 -1.74 1.66 3.7878 3.5654 3.3531 -1.78 1.70 3.6601 3.4416 3.2332 -1.82 1.74 3.5374 3.3227 3.1183 -1.87 1.78 3.4195 3.2085 3.0079 -1.91 1.82 3.3060 3.0989 2.9021 -1.95...
  • Page 22 YSCC24FSAADG Functions and Control 1.0910 0.9882 0.8942 -3.69 3.37 1.0607 0.9599 0.8679 -3.74 3.42 1.0314 0.9326 0.8424 -3.80 3.46 1.0030 0.9061 0.8179 -3.85 3.51 0.9756 0.8806 0.7941 -3.90 3.55 0.9490 0.8558 0.7711 -3.96 3.60 0.9232 0.8319 0.7489 -4.01 3.64 0.8983 0.8088 0.7275 -4.07...

  • Page 23: System Configuration

    YSCC24FSAADG System Configuration 6. System Configuration 6.1 System Configuration After the installation and test operation of the room air conditioner have been completed, it should be operated and handled as described below. Every user would like to know the correct method of operation of the room air conditioner, to check if it is capable of cooling (or heating) well, and to know a clever method of using it.In order to meet this expectation of the users, giving sufficient explanations taking enough time can be said to reduce about 80% of the requests for servicing.

  • Page 24: Instruction

    YSCC24FSAADG System Configuration 6.2 Instruction Parts and Functions POWER/SOFT button is not available for 07k、09k、12k. Domestic Air Conditioner...
  • Page 25 YSCC24FSAADG System Configuration Operation Base Operation Emergency operation and test operation Emergency Operation: Remote controller Use this operation only when the remote controller is defective or lost. When the emergency operation switch is SPEED pressed,the" Pi "sound is heard once, which means the start of this operation.
  • Page 26 YSCC24FSAADG System Configuration Operation Sleep Operation In AUTO mode The unit operaters in corresponding sleep mode adapted to the automatically selected operation Before going to bed,you can simply press the SLEEP mode. button and unit will operate in SLEEP mode and bring you a sound sleep.
  • Page 27 System Configuration YSCC24FSAADG Operation Timer On/Off On-Off Operation Healthy airflow Operation 1.After unit starts, select your desired operation mode. 1.Press to starting Setting the comfort work conditions. 2.Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: 2.The setting of healthy airflow function Remote controller: Press...
  • Page 28 YSCC24FSAADG System Configuration Maintenance For Smart Use of The Air Conditioner Remote Controller Indoor Body Setting of proper room Do not block the air inlet temperature or outlet Proper wipe the air conditioner by using a temperature soft and dry cloth.For serious stains, use a neutral detergent diluted with Do not usewater,wipe the controller water.Wring the water out of the...
  • Page 29 YSCC24FSAADG Table of Contents Cautions WARNING This system should be installed by a qualified HVAC professional. Do not attempt to install the air conditioner by yourself because improper works may cause fire, water leakage, personal injury or cleath. WARNING Check proper When abnormality such as burnt-small found, Use an exclusive immediately stop the operation button and...
  • Page 30 System Configuration YSCC24FSAADG Trouble shooting Cautions Before asking for service, check the following grille of the air Do not obstruct or cover the ventilation first. conditoner.Do not put fingers or any other things into the inlet/outlet and swing louver. Phenomenon Cause or check points Do not allow children to play with the air conditioner .In no...

  • Page 31: Service Diagnosis

    YSCC24FSAADG Codes and Description 7.Codes and Description 7.1.Problem Symptoms and Measures Symptom Check Item Details of Measure Check to make sure that the rated voltage is Check the power supply. supplied. None of the Check to make sure that the indoor PCB is units operates Check the indoor PCB broken...
  • Page 32 YSCC24FSAADG Codes and Description whether terminal CN8 Pull out the terminals on the indoor mainboard and indoor PCB contact well? reinsert them Pull the sensor out of the mainboard Measure the value of resistance Between its two jumpers Measure the temperature at the room temperature sensing head.
  • Page 33 YSCC24FSAADG Codes and Description Turn off power supply and rotate fan by hand Does fan rotate Replace fan motor smoothly? Turn power ON and operate fan Turn off power supply and disconnect fan Does it rotate? motor connector,then turn power ON Check output of fan motor connector Replace indoor Is motor power voltage...

  • Page 34: Capacity Diagrams And Curves Diagrams

    Capacity YSCC24FSAADG 8.1 Cooling Capacity-temperature Curves YSCC24FSAADG Performance Curves Capacity-temp.Curves indoor temp cooling temp.(humidity)40% DB/WB 67/50 20460 20020 19360 18700 18040 17160 15840 13860 67/57 22000 21560 21120 20460 19580 18700 17380 15840 67/62 23760 23320 22660 21780 21120 20460 19140 17600 72/57 21780 21560 21120 20460 19580 18700 17380 15840 72/62...
  • Page 35 Capacity YSCC24FSAADG 8.2 Cooling Power Consumption Value-temperature Curves YSCC24FSAADG Performance Curves Power Consumption Value-temperature Curves indoor temp cooling temp.(humidity)40% DB/WB 67/50 1365 1424 1482 1560 1619 1677 1794 1872 67/57 1404 1482 1560 1638 1677 1755 1853 2048 67/62 1482 1541 1619 1716...

  • Page 36: Installations

    Installations YSCC24FSAADG 9. Installation Preparation Selection of Installation Place Necessary Tools for Installation Indoor Unit - Select a plocation that is Torque wrench Hammer (17mm,22mm,26mm) Nipper Robust not causing vibration, where the body can be supported s Hacksaw Pipe cutter Not affected by heat or steam generated in the vicinity, where inlet and outlet of the Hole core drill Flaring tool...
  • Page 37 Installations YSCC24FSAADG 1. Insert the drain hose into the dent of heat insulation materials of indoor unit. Accessory parts 2. Insert the indoor/outdoor electric cable from backside of indoor unit, and pull it out on the front side, then connect them. Drain hose (1) Remote controller (1) 3.
  • Page 38 Installations YSCC24FSAADG Ensure that on dirt or debris enters the pipe. The standard pipe length is 7m(27 9/16) . If it is over 7m(27 9/16), the function of the unit will be affected. If the pipe has to be lengthened, the refrigerant should be charged, according to 50 g /m(0.045oz/inch).
  • Page 39 Installations YSCC24FSAADG No gas leakage? On Drainage In case of gas leakage, tighten parts of pipe connection. If leakage stops, Please install the drain hose so as to be downward slope without fail. then proceed step 6. If leak continues, remove the refrigerant used for the Please don’t do the drainage as shown below.

  • Page 40: Wiring Diagrams

    YSCC24FSAADG Wiring Diagrams 10. Wiring Diagrams 10.1 Indoor 10.2 Outdoor DomesticAirConditioner...
  • Page 41 YSCC24FSAADG Wiring Diagrams NOTE: 1.The parts are optional. 2.Some types may not have the dotted lines. marked with 10.3 CIRCUIT DIAGRAM P1 2SA1037AK emergency switch R5F212A8SNFA CN48 B2B-XH-A-R TO display CN 32- 2 M ODE P4_5/INT0 TJC8-02 0.001UF TJC8-02 0.1UF RESET 595-RCK P1_2/KI2/AN10...
  • Page 42 YSCC24FSAADG Wiring Diagrams 1A-800V-500ns-FR106 10 -1/4W 1.5K-1/4W SCK-4R72 H-25*15 BCK-6-FE1901 18V-1W-1N4746A 1.5A-7805 10uF-25V-105 3A-200V-ER302 +12V 10 -1/4W FUSE1 TVR14561* 1N5399 1A-800V-500ns-FR106 0.1uF 0.1uF T3.15A/250VAC 1000uF-35V-105 470uF-16V 220VAC~/50HZ 1N5399 32mH-0.35A-LB 2271 10 -1/4W 1N5399 12V-1W-1N4742A ICE2A265 0.1uF/275V TLP421 1N5399 1 -1/2W 2.2nF/250V 2.2nF/250V RLS4148...
  • Page 43 Dimensional drawings YSCC24FSAADG 10.4 Outdoor Unit Domestic Air Conditioner...
  • Page 44 Appendix YSCC24FSAADG Domestic Air Conditioner...
  • Page 45 Center of Gravity YSCC24FSAADG 1147 Domestic Air Conditioner...
  • Page 46 Appendix YSCC24FSAADG YSCC24FSAADG Domestic Air Conditioner...

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