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Service Manual

Table of Contents

Table of Contents

Part

Ⅰ

: Technical Information

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1. Summary

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2. Specifications

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2.1 Specification Sheet

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2.2 Operation Characteristic Curve

.......................................................................................4

2.3 Capacity Variation Ratio According to Temperature

........................................................4

2.4 Noise Curve

.....................................................................................................................5

2.5 Cooling and Heating Data Sheet in Rated Frequency

....................................................5

3. Outline Dimension Diagram

.......................................................................6

3.1 Indoor Unit .

.......................................................................................................................6

3.2 Outdoor Unit

....................................................................................................................7

4. Refrigerant System Diagram

.....................................................................7

5. Electrical Part

..........................................................................................................8

5.1 Wiring Diagram .

................................................................................................................8

5.2 PCB Printed Diagram .

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6. Function and Control

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6.1 Remote Controller Introduction

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6.2 Operation of Smart Control (Smart Phone, Tablet PC)

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6.3 Operation of Smart Control (Smart Phone, Tablet PC)

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6.4 Brief Description of Modes and Functions

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Part

Ⅱ

: Installation and Maintenance

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7. Notes for Installation and Maintenance

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8. Installation

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8.1 Installation Dimension Diagram .

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8.2 Installation Parts-checking

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8.3 Selection of Installation Location .

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8.4 Electric Connection Requirement

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8.5 Installation of Indoor Unit .

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8.6 Installation of Outdoor Unit

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8.7 Vacuum Pumping and Leak Detection

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8.8 Check after Installation and Test Operation

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Содержание CH-S09FTXTB2S-W

Страница 1: ...LS SERVICE MANUAL Designed by Cooper Hunter International Corporation Oregon USA www cooperandhunter com For proper operation please read and keep this manual carefully CH S09FTXTB2S W CH S12FTXTB2S W CH S18FTXTB2S W CH S24FTXTB2S W EN ICY II Series ...

Страница 2: ...nted Diagram 10 6 Function and Control 12 6 1 Remote Controller Introduction 12 6 2 Operation of Smart Control Smart Phone Tablet PC 17 6 3 Operation of Smart Control Smart Phone Tablet PC 29 6 4 Brief Description of Modes and Functions 41 Part Ⅱ Installation and Maintenance 49 7 Notes for Installation and Maintenance 49 8 Installation 51 8 1 Installation Dimension Diagram 51 8 2 Installation Part...

Страница 3: ...View and Parts List 80 10 1 Indoor Unit 80 10 2 Outdoor Unit 82 11 Removal Procedure 84 11 1 Removal Procedure of Indoor Unit 84 11 2 Removal Procedure of Outdoor Unit 91 Appendix 97 Appendix 1 Reference Sheet of Celsius and Fahrenheit 97 Appendix 2 Configuration of Connection Pipe 97 Appendix 3 Pipe Expanding Method 98 Appendix 4 List of Resistance for Temperature Sensor 99 ...

Страница 4: ...1 Service Manual Technical Information Part Ⅰ Technical Information 1 Summary Indoor Unit Outdoor Unit Remote Controller ...

Страница 5: ...S W Indoor Unit Product Code CB412N03303 Fan Type Cross flow Fan Diameter Length DXL mm Φ98X662 Cooling Speed SH H MH M ML L SL r min 1300 1050 1000 900 800 700 500 Heating Speed SH H MH M ML L SL r min 1300 1150 1080 1030 980 900 850 Fan Motor Power Output W 15 Fan Motor RLA A 0 07 Fan Motor Capacitor μF Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Φ7 Evaporator Row fin Ga...

Страница 6: ...ength LXDXW mm 733X57X550 Fan Motor Speed rpm 900 600 Fan Motor Power Output W 30 Fan Motor RLA A 0 15 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 2400 Fan Type Axial flow Fan Diameter mm Φ438 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operatin...

Страница 7: ...B2S W Indoor Unit Product Code CB412N02903 Indoor Unit Fan Type Cross flow Indoor Unit Fan Diameter Length DXL mm Φ98X662 Cooling Speed SH H MH M ML L SL r min 1350 1070 1000 900 800 700 500 Heating Speed SH H MH M ML L SL r min 1350 1150 1080 1030 980 900 850 Indoor Unit Fan Motor Power Output W 15 Indoor Unit Fan Motor RLA A 0 07 Indoor Unit Fan Motor Capacitor μF Evaporator Form Aluminum Fin co...

Страница 8: ...nit Fan Motor RLA A 0 15 Outdoor Unit Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 2000 Outdoor Unit Fan Type Axial flow Outdoor Unit Fan Diameter mm Φ438 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5...

Страница 9: ...s flow Cross flow Diameter Length DXL mm Φ100X765 Φ106X890 Fan Motor Cooling Speed SH H MH M ML L SL r min 1200 1150 1050 950 850 750 650 1450 1300 1200 1100 1000 900 800 Fan Motor Heating Speed SH H MH M ML L SL r min 1350 1200 1100 1000 900 800 700 1450 1300 1200 1100 1000 900 800 Output of Fan Motor W 25 70 Fan Motor RLA A 0 1 0 28 Fan Motor Capacitor μF Evaporator Form Aluminum Fin copper Tube...

Страница 10: ...ngth LXDXW mm 823 5X38 1X660 945X38 1X748 Fan Motor Speed rpm 780 820 Output of Fan Motor W 60 90 Fan Motor RLA A 0 58 0 65 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 3200 4000 Fan Type Axial flow Axial flow Fan Diameter mm Φ520 Φ550 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IP24 IP24 Permissible Excessive Oper...

Страница 11: ...ng 20 18 14 10 2 2 6 0 20 40 60 80 100 120 140 160 180 200 Capacity ratio 6 10 Condition Indoor DB27 C WB19 C Indoor air flow Super High Pipe length 5m Condition Indoor DB20 C WB15 C Indoor air flow Super High Pipe length 5m Condition Indoor DB20 C WB15 C Indoor air flow Super High Pipe length 5m Cooling 0 2 4 6 8 10 15 0 20 30 40 50 50 60 70 80 90 15 0 20 30 40 60 70 80 90 Compressor speed rps Cu...

Страница 12: ... 2 6 0 20 40 60 80 100 120 140 160 180 200 Capacity ratio 6 10 Condition Indoor DB20 C WB15 C Indoor air flow Super High Pipe length 5m Cooling Heating 30 15 32 35 38 42 48 60 70 80 90 100 110 120 50 40 40 50 120 110 100 90 80 70 60 10 7 0 8 20 Outdoor Temp C Outdoor Temp C Conditions Indoor DB27 C WB19 C Outdoor DB35 C WB24 C Indoor air flow High Pipe length 5m Conditions Indoor DB20 C WB15 C Out...

Страница 13: ...an motor rotating speed rps Indoor Unit Outdoor Unit Noise dB A 12K 30 35 40 45 50 55 Compressor speed rps Noise dB A High Middle High Middle Middle Low Low Quiet 0 8 20 30 40 50 60 70 80 90 12K 24K 18K 20 30 40 50 SL L ML MH M H SH Indoor fan motor rating speed Noise dB A 46 48 50 52 54 56 58 60 20 30 40 50 60 70 80 90 100 Compressor frequency Hz Noise dB A Heating Cooling Indoor side noise Outdo...

Страница 14: ... indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution rps Indoor Outdoor P MPa T1 C T2 C 20 15 7 6 12K 2 1 2 6 34 to 37 3 to 5 TURBO High 56 Rated cooling condition C DB WB Model Pressure of gas pipe connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indo...

Страница 15: ...12 Service Manual Technical Information 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm 09K W 541 137 132 60 138 35 Φ50 Φ50 D H Model W H D 09K 816 292 209 ...

Страница 16: ...Unit mm Model W H D Q R S W1 W2 12K 866 292 209 162 541 163 160 80 W D H Q R S Φ55 Φ55 35 W2 W1 2 5 Cooling and Heating Data Sheet in Rated Frequency Service Manual Technical Information 13 ...

Страница 17: ...Unit mm Model W H D 18K 1018 319 230 24K 1178 326 264 130 100 50 178 747 253 Φ70 Φ70 144 685 189 55 44 Φ70 13 55 Φ70 119 W H D 18K 24K Service Manual Technical Information 14 ...

Страница 18: ...15 Service Manual Technical Information 3 2 Outdoor Unit Unit mm 899 818 303 378 596 596 CH S09FTXTB2S W Unit mm 596 354 899 303 838 378 550 CH S12FTXTB2S W 490 ...

Страница 19: ...340 963 700 396 890 560 364 Unit mm 427 1000 920 610 370 790 395 Unit mm Service Manual Technical Information 16 CH S18FTXTB2S W CH S24FTXTB2S W ...

Страница 20: ...sor 09K 4 Refrigerant System Diagram Connection pipe specification Liquid 1 4 6 mm Gas 1 2 12mm For 12K INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING HEATING Accumlator Discharge Suction 4 Way valve Electron Strainer Strainer expansion valve Strainer Capillary D Strainer Intercooler Service Manual Technical...

Страница 21: ...nning stopping or has been powered off for less than 3 minutes to prevent electric shock WARNING 6361268408 ELECTROSTATIC DEDUSTING X2 YEGN HEALTH L HEALTH N BU RD GENERATOR PLASMA AND BOARD TEMP TEMP DISP1 AP1 DISP2 DISPLAY RECEIVER FAN MOTOR DC MOTOR TUBE ROOM SENSOR SENSOR TUBE RT2 RT1 ROOM AP2 SA SWITCH CONNECTOR NO X1 C X10 BK WH CLEAN M4 M3 UP DOWN MOTOR STEPPING MOTOR STEPPING MOTOR UP DOWN...

Страница 22: ...20 287 3 2 20 11 5 3 5 21752 5 0 02 8 237 21 12К 6361268408 18К 24К 83 2 1 83 2 1 0 0 6 1 8 6 1 8 3 3 803 211 725 1 75267 7 867 1 1 1 8 1 5 725 2 3 60 211 725 1 225 81 7 3 2 7 50 1 5 8 7 7 1 35 17 5 8 7 2 5 6 7 6 12 1 211 7 1 9 325 725 1 20 287 7 1 1 3 287 225 81 7 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPSRQHQW RU WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQX...

Страница 23: ... change without notice please refer to the one supplied with the unit 09К These wiring diagrams are subject to change without notice please refer to the one supplied with the unit 12К 1 3 16 21 9 9 7521 5 725 9 9 6 7 35 6685 3527 725 29 5 2 5 9 9 2 1 VA AC L2 9 6 7 2 203 203 9 33 29 203 1 203 3 1 9 208 1 5 8 1 5 203 8 3 V W U 2 1 57 57 57 0 203 9 N2 N3 BU 1 8 1 3 0 1 7 5 1 1 2 7 50 1 7 N 1 1 225 8...

Страница 24: ...1 5 203 8 3 V W U 2 1 57 57 57 0 203 9 N2 N3 BU 1 8 1 3 0 1 7 5 1 1 2 7 50 1 7 N 1 1 225 81 7 32 5 3 8 1 1 8 1 1 of electric shock Please don t touch any terminal when the machine is running stopping or has been powered off for less than 30 minutes to prevent the risk Motor appliestothe ironshellmotor groundonly 78 7 03 6 1625 5220 7 03 6 1625 867 7 03 6 1625 7 7 1 27720 1 7 1 2035 6625 1 7 5 0272...

Страница 25: ...ion neutral wire 4 Neutral wire 5 Interface of DC motor 6 Interface of electrostatuc dedusting 7 Auto button 8 Up down swing interface 1 9 eft right swing interface 10 Up down swing interface 2 11 Interface of DRED 12 Interface of IC DOOR 13 Interface of WiFi 14 Display interface 15 Interface of ambient temperature sensor 16 Interface of tube temperature sensor 17 Jumper cap 18 Communication inter...

Страница 26: ...rface of electronic expansion valver 6 Neutral wire of electric heater for chassis 10 Power supply neutral wire 14 Temp sensor 3 Interface of fan 7 Neutral wire of 4 way valve 11 Power supply live wire 15 Input of overload 4 Live wire of 4 way valve 8 Live wire of electric heater 12 Communication wire with indoor and outdoor unit 16 U V W three phases of compressor 1 2 3 4 5 6 7 8 9 10 11 12 13 14...

Страница 27: ...12К Top view Bottom view 2 1 3 4 5 6 8 7 9 10 11 12 13 14 15 Service Manual Technical Information 24 ...

Страница 28: ...tection 3 Terminal of compressor overload protection 4 Terminal of outdoor temperature sensor 5 Terminal of outdoor fan 6 Terminal of 4 way valve 7 Communication wire with indoor unit 8 Power supply live wire 9 Earthing wire 10 Power supply neutral wire 11 PFC induction wire Service Manual Technical Information 25 ...

Страница 29: ...ler will blink once and the air conditioner will give out a de sound which means the signal has been sent to the air conditioner Under off status set temperature and clock icon will be displayed on the display of remote controller If timer on timer off and light functions are set the corresponding icons will be displayed on the display of remote controller at the same time Under on status the disp...

Страница 30: ...is button to set left right swing angle cycling as below 7 button Press this button to set swing angle which circularly changes as below Note It s Low fan speed under Dry mode only for cooling and heating unit As for cooling only unit it won t have any action when it receives the signal of heating operation Medium fan Low fan High fan Medium low fan Medium high fan ATUO AUTO COOL DRY FAN HEAT OFF ...

Страница 31: ... In Heat mode sleep status after run for one hour the setting temperature will decrease 1 C 2 hours setting temperature will decrease 2 C then the unit will run at this setting temperature Sleep 2 is sleep mode 2 that is air conditioner will run according to the presetting a group of sleep temperature curve In Cool mode 1 When setting the initial temperature 16 23 C after turned on Sleep function ...

Страница 32: ...nction is only available for some models 1 Press swing left and right button continuously more than 2s the main unit will swing back and forth from left to right and then loosen the button the unit will stop swinging and present position of guide louver will be kept immediately 2 2 Under swing left and right mode when the status is switched from off to if press this button again 2s later status wi...

Страница 33: ...timer on or timer off 3 Press LIGHT button to control the on and off of the displaying part of the unit This function may be not available for some units 4 Press TURBO button can realize the ON and OFF of TURBO function cover of battery box along the arrow direction 2 Replace two 7 AAA 1 5V dry batteries and make sure the position of polar and polar are correct 3 Reinstall the cover of battery box...

Страница 34: ...amb Tpreset the unit keeps previous operation status When Tamb Tpreset 2 C the compressor will stop the outdoor fan will stop with a time lag of 30s and indoor fan operate at set fan speed low fan speed quiet fan speed or auto quiet fan speed Under this mode the temperature setting range is 16 30 C Display displays operation icon drying icon and set temperature 3 Heating mode not available for coo...

Страница 35: ...e same as that under each mode When Tamb 26 C the unit will operate at cooling mode the default set temperature is 25 C When Tamb 21 C the unit will operate at heating mode the default set temperature is 20 C if the cooling only unit operates at fan mode the default set temperature is 25 C When 22 C Tamb 25 C and the unit is turned on for the first time if it changes to auto mode from other mode t...

Страница 36: ...ow speed requires minimum 210seconds of operation In this mode set temperature will be automatically adjusted according to actual operation conditions 3 Other Control 1 Clock Timer Timer ON If timer ON is set during operation of the unit the unit will continue to operate If timer ON is set at unit OFF upon ON time reaches the unit will start to operate according to previous setting status Timer OF...

Страница 37: ...o fan speed mode indoor fan will automatically select high med low or mute speed according to change of ambient temperature Under Auto Heat mode or regular Heat mode auto fan speed will be as follows When Tamb Tpreset 3 C indoor fan will operate at high speed When Tpreset 3 C Tamb Tpreset 2 C indoor fan will operate at med speed When Tpreset 2 C Tamb Tpreset 4 C indoor fan will operate at low fan ...

Страница 38: ...ion When setting horizontal swing there are 7 status Position Position Position Positon Position swing between and and stop at any position between and If setting horizontal swing during operation of the unit the horizontal swing motor will drive the louver to swing horizontally When cancelling horizontal swing or it is not set when turning on the unit the louver will stop in the current 10 Displa...

Страница 39: ...Auto mode in COOL operation and FAN operation 25 C will be displayed while in HEAT operation and FAN operation 20 C will be displayed For cooling only controller only 25 C will be displayed 16 Locked protection to Indoor Fan Motor If the indoor fan motor keeps low rotation speed for a continuous period of time after startup the unit will stop operation and display H6 17 Mute Mode Auto Mute When se...

Страница 40: ...tisfied for 3mins successively the unit turns into defrosting process 7 2 Defrosting starting compressor stops operation and restart it up after 90s delayed 7 3 Defrosting ending Compressor stops operation and it starts up after 90s delayed 7 4 When any one of below defrosting ending conditions is satisfied the unit will quit from defrosting operation 7 4 1 Toutdoor tube Tquit temperature 1 for de...

Страница 41: ...otection operation frequency of compressor will stop rising If IAC current Idecrease frequency current for current protection operation frequency of compressor may decrease If IAC current Istop operation current for current protection the unit will stop operation because of overcurrent protection 14 2 If the unit is stopped because of overcurrent for 6 times successively it can t resume operation ...

Страница 42: ...ir condition must apply specialized circuit and prohibit share the same circuit with other appliances 3 The air conditioner should be installed in suitable location and ensure the power plug is touchable 4 Make sure each wiring terminal is connected firmly during installation and maintenance 5 Have the unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protec...

Страница 43: ...ing tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container ...

Страница 44: ...15cm At least 50cm At least 50cm At least 30cm At least 300cm At least 200cm Space to the floor Space to the obstruction Space to the obstruction Space to the obstruction Space to the ceiling Space to the obstruction Space to the obstruction At least 30cm At least 15cm At least 15cm Space to the wall Space to the wall Space to the wall ...

Страница 45: ...oor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit select it accor...

Страница 46: ...ure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which cant be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 4 The appliance must be positioned so that the plug is accessible 5 An all pole disconnection switch having a contact separation of at least 3...

Страница 47: ...e drill another fixing hole nearby 3 Install Wall mounting Frame 1 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole should be a little lower than the wall mounted frame As show in Fig 1 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the to...

Страница 48: ...Wire of Indoor Unit 1 Open the panel remove the screw on the wiring cover and then take down the cover As show in Fig 11 8 Bind up Pipe 1 Bind up the connection pipe power cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drai...

Страница 49: ...n 1 Select installation location according to the house structure 2 Fix the support of outdoor unit on the selected location with expansion screws 5 Connect Outdoor Electric Wire 1 Remove the wire clip connect the power connection wire and power cord to the wiring terminal according to the color fix them with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed along the wall b...

Страница 50: ... 1 Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open the piezometer completely and operate for 10 15min to check if the pressure of piezometer remains in 0 1MPa 4 Close the vacuum pump and maintain ...

Страница 51: ...plugged in and poor connection Check if the plug is properly plugged in and make the loose contact firm Fuse of controller burnt out The air condi tioner does not react after it is powered after the plug is inserted the buzzer does not sound and the remote startup has no response Remote controller malfunction Receiver loose or poor connection Receiver is broken Change controller fuse Controller is...

Страница 52: ...at insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumulated on the surface of the heat exchanger Air filter were blocked Clean the filter Fan speed was set too slow To set the fan speed to high or middle speed Air circulation is insufficient Fan rotation spe...

Страница 53: ...r too high Manostat is recommended Wrong wire connection Connect the circuit diagram correctly The built in heat protector of the motor breaks frequently because the motor is abnormal Replace the fan motor Adjust the volume of the refrigerant The refrigerant is not enough or is too much Replace the capillary The capillary is blocked and the tem perature rises The compressor does not run smoothly o...

Страница 54: ...ssor Drainage pipe blocked or broken Change drainage pipe Re wrap and make it tight Wrap of refrigerant pipe joint is not close enough Water leakage Change controller Wire loose or wrong connection In cool heat mode the outdoor unit and compres sor will not run Correctly wire according to the drawing Improper setting of temperature Adjust setting temp Controller malfunction IC2003 broken creepage ...

Страница 55: ... As shown in the fig below connect the plug of discharge resistance about 100ohm 20W if there is no discharge resistance you can use the plug of soldering iron to point A and B of electrolytic capacitor There will be sparks when touching them Press them forc ibly for 30s to discharge electricity of electrolytic capacitor 3 After finish discharging electricity measure the voltage between point A an...

Страница 56: ...rying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty 6 Communication Malfunction E6 Always ON During cooling operation compressor stops while indoor fan motor operates During heating operation the complete unit stops Refer to the correspon...

Страница 57: ...sistance table for temperature sensor 15 Outdoor condenser temperature sensor is open short circuited F4 OFF 1s and blink 5 times During cooling and drying operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for ...

Страница 58: ...he voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 23 Compressor Min frequence in test state P0 Showing during min cooling or min heating test 24 Compressor rated frequence in test state P1 Showing during nominal cooling or nominal heating test 25 Compressor maximum frequence in test state P2 Showing dur...

Страница 59: ...ide louver stops at present location Refer to the malfunction analysis overload high temperature resistant 35 Desynchronizing of compressor H7 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection ...

Страница 60: ...operating the complete unit will stop operation Refer to the malfunction analysis 44 The four way valve is abnormal U7 If this malfunction occurs during heating operation the complete unit will stop operation Replace outdoor control panel AP1 45 Frequency limiting power OFF 1s and blink 13 times Supply voltage is unstable 46 Compressor running OFF 1s and blink once Theres circuit malfunction on ou...

Страница 61: ...ace the controller with one ofthe same model End no no no no yes yes Malfunction is removed no yes yes no Is the wiring terminal between temperature sensor and the controller loosened or poor ly contacted Is there short circuit due to tri pover of the pa rts Is the temperature sensor normal according to the Resistance Table Replace it with a temperature sensor of the same model Service Manual 82 I...

Страница 62: ...of indoor fan It s the malfunction of main board Replace a new main board that is of the same model It s the malfunction of main board Replace a new main board that is of the same model Replace a new main board that is of the same model It s the malfunction of main board Then check whether the voltage between terminal 2 and terminal 3 of the motor interface is 15VDC Connect power and restart the u...

Страница 63: ...r cap inserted correctly and tightly Replace the jumper cap with the same model End yes yes Assemble the jumper cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tightly Is malfunction eliminated no no yes Is malfunction eliminated no yes Replace the mainboard with the same model Service Manual 84 Installation and Maintenance ...

Страница 64: ...eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Replace outdoor mainboard Replace indoor mainboard Communication wire connection is broken Replace the wire Is there incorrect match between the mainboard and the display panel or between the indoor and outdoor mainboards Match them according to the requirement Reconnect the wire according to wiring diagram Ye...

Страница 65: ...n eliminated The end check if the connection wire are correctly connected Replace the detecting plate with the same model Replace the mainboard with the same model Yes Yes No 5 Malfunction of detecting plate WIFI JF Service Manual 86 Installation and Maintenance ...

Страница 66: ...capacitor of power DC 180V 380V Test 5 Two ends of diode D15 D15 IPM modular 15V power supply DC 14 5V 15 6V Test 6 Two ends of electrolytic capacitor C715 C715 12V power supply DC 12V 13V Test 7 Two ends of electrolytic capacitor C710 C710 5V power supply DC 5V Test 8 Two ends of electrolytic capacitor C226 C226 3 3V power supply DC 3 3V Test 9 Two ends of chip capacitor C912 C912 17V power suppl...

Страница 67: ...with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the power and repair the power supply to restore the range 210VAC 250VAC power on and restart the unit If the fault is eliminated Shut down the power and wait 20 minutes or use DC voltmeter to measur...

Страница 68: ...essure is too high 5 Other conditions resulting in that the system pressure becomes too high The connection of capacitor C2 is loose Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Restart the unit Stop the unit and disconnect the power supply Wait 20 minutes or use DC voltmeter to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V R...

Страница 69: ...igh temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please operate it after the outdoor ambient temp erature is normalized Improve the heat dissipation environ ment of the unit Does the outdoor fan work normally 1 Check if the fan terminal OFAN i...

Страница 70: ...e for compressor stopping enough Fault diagnosis process Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the compressor connected correctly Is connection sequence right Connect the wires as per the connection diagram Replace the control panel AP1 If the fault is eliminated Replace the compresso...

Страница 71: ... wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the compressor End Out of step occurs in operation Is the outdoor fan working normally Is the outdoor unit blocked by foreign objects Replace the control panel AP1 If the fault is elimin...

Страница 72: ...ocess 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the electronic expansion valve If the fault is eliminated If the fault is eliminated Replace the control panel ...

Страница 73: ...any damage or short circuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resistance around zero The capacitor is short circuited and the capacitor should be repla ced Restart the unit If the fault is eliminated Disconnect the terminals for the reactor and measure the resistan...

Страница 74: ...ipment operate normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of the outdoor unit If the fault is eliminated The communication circuit is abnormal Replace the main board of the indoor unit End If the fault is eliminated Replace the main board AP1 of the outdoor uni...

Страница 75: ...hod for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 4 Troubleshooting for Normal Malfunction 1 Air conditioner can t be started up 2 Poor cooling heating for air conditioner 3 Horizontal louver can t swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug...

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Страница 77: ......

Страница 78: ...ahrenheit Celsius 32 33 32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65 64 4 18 88 89 87 8 31 43 44 42 8 6 66 67 66 2 19 90 89 6 32 45 44 6 7 68 69 68 20 91 92 91 4 33 46 47 46 4 8 70 71 69 8 21 93 94 93 2 34 48 49 48 2 9 72 71 6 22 95 96 95 35 50...

Страница 79: ...th according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the pipe E Expand the port Expand the port with expa...

Страница 80: ... 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0 642 0 49 02 39 8 297 78 1 997 117 0 625 1 46 6 40 7 967 79 1 933 118 0 608 2 44 31 41 7 653 80 1 871 119 0 592 3 42 14 42 7 352 81 1 811 120 0 577 4 40 09 43 7 065 82 1 754 121 0 561 5 38 15 44 6 791 83 1 699 122 0 547 6 36 32 45 6 529 8...

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Страница 84: ...Designed by Cooper Hunter International Corporation Oregon USA www cooperandhunter com E mail info cooperandhunter com ...

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