Summary of Contents for Johnson Controls YORK EK Series
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SERVICE MANUAL Order No. Wall mounted Type ON/OFF -Series Model No. YSCC/H07FSAADG YSCC/H09FSAADG YSCC/H12FSAADG WARNING 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.
YSCC/H07/09/12FSAADG Features 1. Features Intelligent air With twin-blade technology ,the airflow can be adjusted not to blow directly to human ESF filter : Trap harmful dust and remove unpleasant odors effectively DRY function: Make dehumidifying in the room when the unit is working in the "DRY" mode Anti-mold filter: Catches most small particles and remove unpleasant odors effectively Sleep mode: The setting temperature and the indoor noise can be adjusted to a more comfortable level when you set the "sleep mode"during night sleep...
Introduction YSCC/H07/09/12FSAADG 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.
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Introduction YSCC/H07/09/12FSAADG 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.
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YSCC/H07/09/12FSAADG 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.
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YSCC/H07/09/12FSAADG 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.
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YSCC/H07/09/12FSAADG 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.
YSCC/H07/09/12FSAADG Connector Wiring Diagram 4.Printed Circuit Board Connector Wiring Diagram 4.1 Indoor unit Connectors Indoor PCB 1)CN1connector for transformer input 2)CN2 connector for terminal block. 3)CN3 connector for transformer output 4)CN5” or CN5”(1) connector for up and down step motor. 5)CN6 connector for ambient temp.
Functions and Control YSCC/H07/09/12FSAADG 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 5.1.1.1 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 26 ).
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Functions and Control YSCC/H07/09/12FSAADG wind speed control: (the temperature difference is 1 ) auto: when Tr>=Ts+3 , the wind speed is high; When Ts+1 Tr Ts+3 , the wind speed is medium. When Tr Ts+1 , the wind speed is low. When temperature sensor is off, the fan motor runs at low speed.
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Functions and Control YSCC/H07/09/12FSAADG 5.1.5 Heating mode: (cooling only have no the mode) *Temperature control range : 16 —30 *Temperature control precision: 1 *Control Character: When Tr Ts, compressor, four-ways valve and outdoor fan motor is on, indoor fan motor runs as in cold blast mode, and 4 of compensation is added after compressor is started.
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Functions and Control YSCC/H07/09/12FSAADG When compressor stands by for 3 minute and the temp. of coil pipe is below 50 , the unit can be started again. *Current protection and current expiration protection: (Not detecting within 60 seconds after start up) *Overcooling protection One and half a minutes later after compressor starts, if the temperature of coil pipe is below -4 , compressor and air outlet stop, and air inlet runs according to the temp.
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Functions and Control YSCC/H07/09/12FSAADG 5.1.6 Timer function: You can set 24-hour timer on or timer off as required, and the minum time unit is 1 minute. After setting, the indicator of indoor unit is on , and it is off when timer setting is completed. There are several timer mode as follows.
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YSCC/H07/09/12FSAADG Functions and Control 5.1.8.4 Enter emergency operation from timer mode, then timer is cancelled. 5.1.9 Test run: 5.1.9.1 The temperature sensor of inlet air doesn’t work, and compressor starts (but subject to the limit of -minute delay excluding the first time), and high wind, cooling, and air door is open.The indoor fan motor runs, running indicator lights up, compressor relay and the one of outdoor fan motor is closed 5.1.9.2 During test run: The prevention of freezing of evaporator doesn’t work.
YSCC/H07/09/12FSAADG 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.
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YSCC/H07/09/12FSAADG System Parts and Functions Indoor Unit Remote controller 7. HOUR button 8. MODE button 9. ON/OFF button 10. TIMER ON display 11. FAN SPEED display AUTO 12. LOCK display 13. SWING display 14. SLEEP display 16. Operation mode display Operation mode AUTO COOL...
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YSCC/H07/09/12FSAADG System Configuration Operation Emergency operation and test operation Base Operation Emergency Operation: Use this operation only when the remote controller Remote controller is defective or lost. When the emergency operation switch is pressed,the" Pi "sound is heard once, which SPEED means the start of this operation.
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YSCC/H07/09/12FSAADG System Configuration Operation Sleep Operation In AUTO mode The unit operaters in corresponding sleep mode Before going to bed,you can simply press the SLEEP adapted to the automatically selected operation button and unit will operate in SLEEP mode and bring mode.
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YSCC/H07/09/12FSAADG System Configuration Operation Timer On/Off On-Off Operation For Smart Use of The Air Conditioner Set clock correctly before starting TIMER operation. Do not block the air inlet Setting of proper room 1.After unit starts, select your desired operation mode. temperature or outlet 2.Press TIMER button to change TIMER mode.
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YSCC/H07/09/12FSAADG System Configuration Maintenance Replacement of Air Purifying Filter (NOTE: Air purifying filter is optional part) ATTENTION: 1.Open the lnlet Grille The white side of the photocatalyst air purifying Prop up the inlet grille by using a filter face outside,and the black side face the unit. small device named grille-support which located in the right side of The green side of the bacteria-killing medium air...
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YSCC/H07/09/12FSAADG System Configuration Cautions WARNING Please call Sales/Service Shop for the Installation. Do not attempt to install the air conditioner by yourself because improper works may cause electric shock, fire, water leakage. WARNING Check proper When abnormality such as burnt-small found, Use an exclusive immediately stop the operation button and installation of the...
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YSCC/H07/09/12FSAADG System Configuration Trouble shooting Cautions Before asking for service, check the following first. The machine is adaptive in following situation Cause or check points Phenomenon 1.Applicable ambient temperature range: When unit is stopped, it won't restart The system does not restart immediately until 3 minutes have For: T1 C/23...
YSCC/H07/09/12FSAADG Functions and control 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 None of the units Check the power supply. supplied. operates Check the indoor PCB Check to make sure that the indoor PCB is broken Equipment operates but does...
Codes and description YSCC/H07/09/12FSAADG 7.2 Error Codes and Description indoor display The code indication that is listed above is the main fault Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred.
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YSCC/H07/09/12FSAADG Capacity YSCC/H09FSAADG performance curves cooling discharge pressure.table o u td o o r te m p . in d o o r te m p . (h u m id ity 4 6 % ) D B /W B 1 0 5 2 1 2 5 7 1 3 3 6...
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Capacity YSCC/H07/09/12FSAADG performance curves YSCC/H12FSAADG cooling discharge pressure.table(Kpa) o u td o o r te m p . in d o o r te m p . (h u m id ity 4 6 % ) D B /W B 1 3 3 9 1 7 8 6 2 3 2 1...
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YSCC/H07/09/12FSAADG Capacity YSCC/H09FSAADG performance curves cooling suction pressure.table o u td o o r te m p in d o o r te m p . (h u m id ity 4 6 % D B /W B 5 5 4 6 4 1 6 5 3 5 8 1...
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YSCC/H07/09/12FSAADG Capacity YSCC/H12FSAADG performance curves cooling suction pressure.table(Kpa) o u td o o r te m p . in d o o r te m p . (h u m id ity 4 6 % ) D B /W B 3 1 4 4 1 9 5 4 4...
YSCC/H07/09/12FSAADG Installations 9. Installations Preparation Selection of Installation Place Necessary Tools for Installation Torque wrench Indoor Unit Driver (17mm,22mm,26mm) Nipper Place, robust not causing vibration, where the body can be supported suf ciently. Hacksaw Pipe cutter Place, not affected by heat or steam generated in the vicinity, where inlet and outlet of the Hole core drill Flaring tool unit are not disturbed.
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YSCC/H07/09/12FSAADG Installations Installation of the Indoor Unit Drawing of pipe [ Rear piping ] Floor fixing dimensions Floor fixing dimensions Draw pipes and the drain hose, then fasten them with the adhesive tape of the outdoor unit of the outdoor unit (Unit:mm) (Unit:mm) [ Left...
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YSCC/H07/09/12FSAADG Installations Outdoor unit Installation of Outdoor Unit Power cable: 3G1.0mm Drawing for the installation of indoor and outdoor units Install according to 3G1.0mm Connection of pipes Indoor unit Outdoor unit YSCC/H07FSAADG To bend a pipe, give the roundness as large as possible not to crush the pipe , and the bending radius should be 30 to 40 mm or longer.
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YSCC/H07/09/12FSAADG Installations No gas leakage? On Drainage In case of gas leakage, tighten parts of pipe connection. If Please install the drain hose so as to be downward slope without fail. leakage stops, then proceed 6. steps Please don’t do the drainage as shown below. If it does not stop gas leakage, discharge whole refrigerants from the service port.
Piping diagrams YSCC/H07/09/12FSAADG Domestic air conditioner...
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YSCC/H07/09/12FSAADG Indoor R E C E IV E R D IS P L A Y F U S E T O O U T D O O R U N I T N O T E : 1 . H E A T P U M P C o n n e c t i n g w i r e i s s h o w n a b o v e ( i n c l u d i n g d o t t e d l i n e s ) 2 .
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YSCC/H07/09/12FSAADG Outdoor OUTDOOR DIAGRAM 0010560078 TO INDOOR UNIT 1(L) 2(N) FRESH AIR MOTOR W(orBorBR) CAPACITOR CAPACITOR 4-way valve TO INDOOR COMPRESSOR FRESH AIR MOTOR FAN MOTOR NOTE: BL:BLUE 1.See above for wiring of heat pump type. 2.There are no dotted lines on cool only type.(marked BLACK with @),Wire is connected from 4 (marked with @@)on terminal block to 1.
YSCC/H07/09/12FSAADG Operation range 10.6 Operation range Cooling 40 43 l l u indoor temp Notes The graphs are based on the following condition Equivalent piping length 7.5m Level difference Domestic air conditioner...
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