Hokkaido HKEN-HCNN 642XR Service Manual Download Page 8 | Manualshive

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Curves of cooling capacity and heating capacity as a function of outdoor

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Classic Line Air Conditioner

Model: HKEN-HCNN 642 XR

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Summary of Contents for HKEN-HCNN 642XR

Page 1: ...Classic Line Air Conditioner SERVICE MANUAL Model HKEN HCNN 642XR l Features l Comfortable wide angle airflow l Health air purifying l Quiet operation l Energy efficient ...

Page 2: ...CONTENT Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 3: ...SERIES INTRODUCTION Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 4: ...ctions 5 Convenience Auto restart and washable panel The grille can be removed easily and washed when necessary Any series have the function then even if the power falls when the unit is operating unit will automatically return to the operating settings in use before the power failure when power is restored 6 Wide variety of functions 24 Hour Timer 24 hour timer allows users to select the exact ti...

Page 5: ...SPECIFICATIONS Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 6: ...nit 949 x 745 x 406 Net gross weight kg indoor unit 12 15 Net gross weight kg outdoor unit 45 53 Max mounting height indoor unit 8 difference m 10 Piling layers outdoor unit 4 1900 Current entering side indoor outdoor Outdoor Refrigerant charge g R410A Frequency of filter cleaning Once 2 weeks Max refrigerant charge g 15 Compressor model C 6RVN93H0N Compressor manufacturer HUARUN Compressor oil ch...

Page 7: ...CURVES OF PERFORMANCE OF COMPRESSOR Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 8: ...150 90 100 110 120 130 140 Curves of cooling capacity and heating capacity as a function of outdoor temperature 7O C 43O C 15 20 25 15 20 25 Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 9: ...DESCRIPTION DIMENSION AND FUNCTION OF MAIN COMPONENTS AND ACCESSORIES Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 10: ...ights up when unit starts Lights up when Timer operation is selected Lights up during compressor running A beeping sound is generated when a signal from remote controller is received Used when remote controller is lost or defective Unit will run temporarily Used only for test running in cooling when room temp is below 16o C Don t use it in normal operation For model HKEN 642 XR Classic Line Air Co...

Page 11: ...938 265 Indoor unit for HKEN 642 XR NET DIMENSIONS 182 NET DIMENSIONS Outdoor unit for HCNN 642 XR 583 113 5 690 810 Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 12: ...KNOCK DOWN DRAWINGS Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 13: ...Model HSU 18H03 R2 DB Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 14: ...3 4 5 2 2 6 7 8 9 11 10 1 2 13 1 1 2 14 5 1 17 6 1 1 8 9 2 2 2 1 2 3 4 2 5 2 6 0 KNOCK DOWN DRAWINGS FOR OUTDOOR UNIT Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 15: ...BRIEF INTRODUCTION TO ELECTRICAL CONTROL FUNCTIONS Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 16: ...perature cooling mode 4 Compressor On Compressor is on when indoor temperature is 0 67o below set temperature heating mode 0 67o above set temperature cooling mode 5 Remote Control Operation In remote control if temperature changes PI operation will start in 2s If change of set temperature is towards compressor off compressor will shut down when it falls into compressor off temperature range 6 Ind...

Page 17: ...rature rises into compressor off temperature range 15 minutes after compressor is off compressor will perform temperature check at which time if Tr Ts 3 the system will enter cooling mode otherwise it will remain in heating mode 2 Cooling Mode Temperature Control Range 16 30 Temperature Difference 1 In the first 2 minutes after compressor starts it is not under the control of temperature sensor Co...

Page 18: ...of unit shut down or unit is powered off manually the operation is not restricted by the 2 minute non response feature and will shut down immediately 4 Heating Mode Temperature Control Range 16 30 Temperature Difference 1 Control Feature When for the first time Tr Ts compressor four way valve and external fan are turned on and indoor fan operates at anti cold wind mode 4o temperature compensation ...

Page 19: ...ctor will close after set wind blows for 1 minute Automatic Temperature Compensation in Heating Mode 1 Condition Compressor shutdown time is less than 5 minutes 2 Operation Rule 1 Ts Trc 5 Trc Tt The instant when compressor starts up 2 Trc Tt The instant when compressor starts up 2 Note The above two conditions are not applicable to initial start up 3 Press temperature key on remote control and re...

Page 20: ... low load protection will not be activated 10 EEPROM Control When outdoor unit is supplied with power if EEPROM parameter is inconsistent with checksum EEPROM faults When indoor unit receives EEPROM fault signal from outdoor unit it will display outdoor unit EEPROM fault At this time control and emergency operation are not accepted and the fault can only be relieved by power off Three Special Func...

Page 21: ...gency Switch When unit is in shutdown condition press emergency switch down for less than 5s the unit will start emergency operation When unit is in shutdown condition press emergency switch down for more than 5s but less than 10s the unit will start trial operation When shutdown press emergency switch down for more than 10s but less than 15s it will display the previous fault When unit is in shut...

Page 22: ...ncy will be compensated as per relevant conditions 1 1 4 Cooling Dehumidification z When completing compressor startup operation it will operate as per frequency of indoor unit z After 2 minutes compressor operation frequency will be compensated as per relevant conditions 1 1 5 Compressor Frequency Increase Decrease Speed Rapid Frequency Increase Decrease Speed 1 1HZ s Slow Frequency Increase Decr...

Page 23: ...ue is set at 6 when unit leaves the factory Defrosting entry temperature control 15 C TA α 5 B Defrosting Time Interval z When data calculated by C TA αfalls into the range of 15 C TA α time interval between two defrosting cycles is 45 minutes z When data calculated by C TA αfalls into the range of C TA α 15 time interval between two defrosting cycles is 65 minutes z C Defrosting Operation z When ...

Page 24: ...down and initial energization valves are turned on to adequate opening position after being fully turned off 2 2 TD High Temperature Protection As long as unit is on the TD air discharge overheat protection feature will be activated yet air discharge sensor fault must be alarmed 4 minutes after compressor starts TD Abnormal Shutdown 117 rapid frequency drop 1HZ s 109 slow frequency drop 1HZ 10s 98...

Page 25: ...cy will rise at a speed of 1HZ 10s If TC 0 for 2 consecutive minutes compressor will shutdown and outdoor fault lamp blinks Fault will not be reported to indoor unit When compressor shuts down for more than 3 minutes and when TC 7 compressor will restart 2 6 Outdoor Temperature Limit Cooling When outdoor temperature is lower than 15 cooling operation will start compressor frequency is limited to l...

Page 26: ...EPROM and all the protection features are effective Three Fault Display and Treatment z In case outdoor unit faults the alarm indicator lamp will blink and blink frequency is 1HZ Time interval between blink cycles is 3s z Alarm indicator lamp is off when there is no fault z Three are three ways of fault alarm It is ensured that fault alarm indicator lamp will blink for more than 2 minutes and 30s ...

Page 27: ...WIRING DIAGRAM Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 28: ...Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 29: ...ＬＯＣＫＦＩＬＴＥＲ FUSE T25A 250VAC ＴＯＩＮＤＯＯＲＰＯＷＥＲＳＵＰＰＬＹＲＲＥＤＹＧＹＥＬＬＯＷＧＲＥＥＮＢＬＢＬＵＥＯＲＯＲＡＮＧＥＷＷＨＩＴＥＹＹＥＬＬＯＷＢＢＬＡＣＫＣＡＵＴＩＯＮＴｈｅｃａｐａｃｉｔｏｒｒｅｔａｉｎｓｈｉｇｈｖｏｌｔａｇｅｅｖｅｎａｆｔｅｒｔｈｅｐｌｕｇｏｆｆＦｏｒｙｏｕｒｓａｆｅｔｙｂｅｓｕｒｅｔｏｗａｉｔａｔｌｅａｓｔ５ｍｉｎｕｔｅｓａｆｔｅｒｐｌｕｇｏｆｆａｎｄｕｓｅａｔｅｓｔｅｒｔｏｃｏｎｆｉｒｍｔｈｅｖｏｌｔａｇｅｂｅｔｗｅｅｎｃｏｎｎｅｃｔｏｒＣＮ３ａｎｄＣＮ４ｉｓｌｅｓｓｔｈａｎＤＣ１０ＶｂｅｆｏｒｅｓｔａｒｔｓｅｒｖｉｃｉｎｇＤＯＮＴＴＯＵＣＨＣＡＰＡＣＩＴＯＲＥＶＥＮＡＦＴＥＲＰＬＵ...

Page 30: ...CIRCUIT DIAGRAM Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 31: ...102 1 2 3 4 5 6 7 8 5V C11 104 IC2 IC3 IC1 5V TIMER RUN GND 5V REC 1 2 3 4 CN4 5V R13 3 3K R14 20K C12 102 C13 102 ROOM PIPE R15 10K 风机输出面板选择导板选择室外通讯输入 A B C D 蜂鸣器 TXO TXI FLZ PGO C1 102 C2 103 C5 103 C9 103 R32 1K E8 4 7U R19 10K R18 10K R20 1K Q3 9013 R17 10K E4 470uF 16V C15 104 Vout 3 GND 2 Vin 1 IC4 7805 FUSE1 T3 15A 250VAC C20 1uF 275VAC 1 2 3 4 IN4007 ZE1 S14K350 E3 1000uF 35V C14 104 5V...

Page 32: ...OM IC3 ULN2003 RL6 OJE SS 112DM 1 2 3 CN17 B2P3 VH C11 275V 103 R55 100 1W 备用 1 2 3 CN19 B3B XH A 蓝 1 2 3 CN20 B3B XH A 白 1 2 3 CN22 B3B XH A 黄 1 2 CN21 B2B XH A 绿 Ta Te Td Ts CD9 50V 4 7U CD10 50V 4 7U CD11 50V 4 7U CD12 50V 4 7U 5V R7 1K R6 1K R5 1K R8 1K R9 1K 1 2 3 CN23 B3B XH A 红备用 CD13 50V 4 7U R15 10K R14 10K 5V CJ1 TJC8 02A 5V 1 2 CN11 B2B XH A R40 2K R41 2K R39 2K C23 103 5V R43 2K R44 2...

Page 33: ...ABNORMITY DIAGNOSE Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 34: ...k once The sames cycle goes on Fault codes Faulty Points Power Timing Running Indoor Outdoor Resumable Faulty indoor thermistor Blinking Off Off Sensor in short or broken current Faulty indoor thermistor Blinking On On Sensor in short or broken current Faulty EEPROM Blinking On Blinking Wrong data or no EEPROM Defrosting temperature sensor in short or broken current On On Blinking Poor contact of ...

Page 35: ...ermistor fault Outdoor air intake thermistor fault Compressor suction temperature too high Compressor startup fault Compressor rotor out of position compressor out of synchronism Rotor position sensing circuit fault Flashing times of O U LED 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Outdoor air thermistor fault Outdoor unit discharge thermistor fault Communication is abnormal between indoor and ou...

Page 36: ...TROUBLE SHOOTING Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 37: ...Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 38: ...REFRIGERATING CYCLE DIAGRAM Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 39: ...Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 40: ...NOISE LEVEL TEST CHART AND AIR VELOCITY DISTRIBUTION Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 41: ...elocity distribution Noise level test chart 0 10 20 30 40 50 60 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz 0 10 20 30 40 50 60 dB A indoor outdoor MODEL HKEN HCNN 642 XR dB A Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 42: ...anel vertical lourer center Condition Fan speed high Operation mode fan Voltage 230V 50Hz Fig 2 top view flow control panel horizal lourer right and left Air velocity distribution 10 9 8 7 6 5 4 3 2 1 1 1 2 2 0 m 0 25 0 5 1 0 2 0 m 10 9 8 7 6 5 4 3 2 1 0 3 1 8 1 0 25 unitm s m 0 1 2 3 4 5 6 0 5 m 1 0 2 0 3 0 1 8 3 m 10 9 8 7 6 5 4 3 2 1 0 m3 2 0 1 2 1 2 0 1 0 0 5 0 25 1 0 0 5 0 25 unit m s unit m ...

Page 43: ...INSTALLATION MANUAL Classic Line Air Conditioner Model HKEN HCNN 642 XR ...

Page 44: ...e L S with screws Connecting electric cable for indoor and outdoor Drain hose Heating insulating material Piping hole cover No Accessory parts Remote controller R 03 dry battery Mounting plate Drain hose Steel nail cement Screw Plastic cap Drain elbow Cover Cushion 1 1 2 3 4 5 6 7 8 9 10 2 1 1 6 4 1 1 4 1 Number of articles Accessory parts 4X50 4X25 Pipe supporting plate Arrangement of piping dire...

Page 45: ... a wall place where the indoor unit can receive signals when the fluorescent lamps in the room are lightened Place which is less affected by rain or direct sunlight and is sufficiently ventilated Place possible to bear the unit where vibration and noise are not increased Place where discharged wind and noise do not cause a nuisance to the neighbors Place where a distance marked is available as ill...

Page 46: ... installation Section of wall hole Piping hole pipe Outdoor side Thickness of wall Indoor side Wall hole 60mm Indoor unit 1 Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is first fixed 1 Carry out based on the neighboring pillars or lintels a proper leveling for the plate to be fixed against the wall then temporarily fasten the plate with one steel nail 2 M...

Page 47: ...ive tape Other direction piping Indoor outdoor electric cable and drain hose must be bound with refrigerant piping by protecting tape Cut away with a nipper the lid for piping according to the piping direction and then bend the pipe according to the position of wall hole When bending be careful not to crash pipes Connect beforehand the indoor outdoor electric cable and then pull out the connected ...

Page 48: ...ure the cables have been properly inserted and tightened After the cable connection never fail to fasten the connected cable with the wiring cover Note When connecting the cable confirm the terminal number of indoor and outdoor units carefully If wiring is not correct proper operation can not be carried out and will cause defect 1 If the supply cord is damaged it must be replaced by the manufactur...

Page 49: ...t is over 5m the function of the unit will be affected If the pipe has to be lengthened the refrigerant should be charged according to 20 g m But the charge of refrigerant must be conducted by professional air conditioner engineer Before adding additional refrigerant perform air purging from the refrigerant pipes and indoor unit using a vacuum pump then charge additional refrigerant 3 Connection U...

Page 50: ...open 2 way valve and 3 way Turn the valve rod anticlockwise until hitting lightly To prevent the gas leakage turn the service port s cap the valve rod s cap for 2 way valve and 3 way s a little more than the point where the torque increases suddenly After attaching the each caps check the gas leakage around the caps CAUTION 1 If the refrigerant of the air conditioner leaks it is necessary to disch...

Page 51: ... the drain hose so as to be downward slope without fail Please don t do the drainage as shown below Please pour water in the drain pan of the indoor unit and confirm that drainage is carried out surely to outdoor In case that the attached drain hose is in a room please apply heat insulation to it without fail Please kindly explain to our customers how to operate through the instruction manual Gas ...

Page 52: ...Bologna Italy Tel 39 051 41 33 111 Fax 39 051 41 33 112 www termalgroup com Due to on going technological development of the products by the manufacturer we reserve the right to vary the technical specifications at any time without notice ...

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