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TCL ITCA-60CHRA/DV3I Technical Manual Download Page 3

 

   

DC Inverter Air

 

 

 

1) Installation Space

............................................................................................................................

 

45

 

 

 

2) FLOOR CONSOLE TYPE 

....................................................................................................................

 

46

 

 

 

3) UNDER CEILING TYPE

......................................................................................................................

 

48

 

 

 

4) Installing indoor unit

.......................................................................................................................

 

49

 

 

 

5) DRAINAGE PIPE CONNECTION 

........................................................................................................

 

50

 

Part 3

 

Outdoor Units

.............................................................................................................................................

 

51

 

1.Specification 

.........................................................................................................................................................

 

51

 

2 Sound Levels 

.........................................................................................................................................................

 

55

 

3 Correction Curve of Capacity performance 

..........................................................................................................

 

55

 

1. Correction of Cooling Capacity 

...............................................................................................................

 

55

 

2. Correction of Heating Capacity

...............................................................................................................

 

56

 

4. Normal Operation Temperature Range 

..................................................................................................

 

58

 

5. Installation Dimension Drawing of Outdoor Unit 

................................................................................................

 

58

 

6. Installation Requirements of Outdoor Unit 

.........................................................................................................

 

59

 

1. Hoisting and Transportation of Outdoor Unit

.........................................................................................

 

59

 

2. Installation Site of Outdoor Unit

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59

 

3. Installation Requirements of Side Air Outlet Outdoor Unit

....................................................................

 

60

 

7. Electrical Design

...................................................................................................................................................

 

62

 

7.1.

 

Specification of Power Supply

..............................................................................................................

 

62

 

7.2.

 

Electrical Wiring Diagram 

....................................................................................................................

 

64

 

8. Design and Installation of Connecting Pipes

........................................................................................................

 

67

 

8.1.

 

Pipe length and drop height shall comply with the scope required below.

.........................................

 

67

 

8.2.

 

Material and Size of the Pipes 

.............................................................................................................

 

67

 

8.3.

 

Precautions for Installation:

.................................................................................................................

 

68

 

8.4.

 

Installation of Refrigerant Pipes

...........................................................................................................

 

68

 

9. Heat Insulation Works

..........................................................................................................................................

 

74

 

9.1.

 

Insulation Materials and Thickness

......................................................................................................

 

74

 

9.2.

 

Heat Insulation of Refrigerant Pipes 

....................................................................................................

 

74

 

9.3.

 

Heat Insulation of Drain Pipes 

.............................................................................................................

 

76

 

9.4.

 

Precautions 

..........................................................................................................................................

 

76

 

Part 4

 

Maintenance 

..............................................................................................................................................

 

77

 

1. Troubleshooting of Inverter System

.....................................................................................................................

 

77

 

1.1.

 

8‐way cassette; 4‐way cassette

............................................................................................................

 

77

 

1.2.

 

Ceiling & Floor

......................................................................................................................................

 

77

 

1.3.

 

Duct

......................................................................................................................................................

 

78

 

2. Fault Identification: Determine the fault type according to the symptom 

..........................................................

 

79

 

3. Control System

.....................................................................................................................................................

 

81

 

3.1.

 

Overview of Control System 

................................................................................................................

 

81

 

3.2.

 

Electrical Control of Outdoor Unit and Troubleshooting 

.....................................................................

 

84

 

 

 

1)   

Main Control Board of Outdoor Unit(36K 48K 60K )

 

..............................................................

 

84

 

 

 

2)   

Spot‐inspection Description of Outdoor Unit

 

........................................................................

 

85

 

 

 

3)   

Display of Fault Codes

 

.............................................................................................................

 

86

 

 

 

18K ,24K outdoor PCB

......................................................................................................................

 

88

 

 

 

1‐‐‐ Compressor drive output

，

UVW 

..............................................................................................

 

88

 

 

 

2‐‐‐ Monitor and test output 

...........................................................................................................

 

88

 

 

   

3

/

 113

 

Summary of Contents for ITCA-60CHRA/DV3I

Page 1: ...Technical Manual for DC Inverter Air Conditioner 1 113...

Page 2: ...TALLATION 19 3 INSTALLATION OF PANEL 21 2 Duct Type 23 2 1Specifications 23 2 2 Dimensions 27 2 3 Service Space 28 2 4 Wiring Diagrams 28 2 5 Sound Levels 29 2 6 Accessories Options 29 2 7 The Specifi...

Page 3: ...n of Connecting Pipes 67 8 1 Pipe length and drop height shall comply with the scope required below 67 8 2 Material and Size of the Pipes 67 8 3 Precautions for Installation 68 8 4 Installation of Ref...

Page 4: ...ontrol and Troubleshooting of Indoor Unit 101 1 Description of Motherboard of Indoor Unit cassette 101 2 Description of Motherboard of Indoor Unit Duct Ceiling floor 102 15 FUSE 104 3 Troubleshooting...

Page 5: ...tdoor unit Model Compressor type Compressor Brand Matched indoor units TCB 18CHRA DVI Q4 TCA 18CHRA DVI TCA 18HRA DVO Rotary DC Inverter GMCC TCA 18D2HRA DVI TCA 18ZHRA DVI TCA 24CHRA DVI TCA 24HRA DV...

Page 6: ...DC Inverter Air 2 External Appearance 2 1 Indo or Units Duct Ceiling Floor 8 way Cassette 2 2 Outdoor Units 6 113 6 113...

Page 7: ...SUPPLY 3 380V 50Hz 3Ph 220 240V 50Hz 1Ph DV DC Inverter A R410A R remote control E with auxiliary heater C Cooling only H Cooling and Heating D2 Middle static duct 24 24 1 000 Btu h Design style iden...

Page 8: ...inne r gro o v e d inne r gro o v e d Inne rgro o v e r tube C o il le ngth x he ight x w idth m m 1 3 7 0 2 1 0 2 5 4 2 0 1 9 1 6 8 2 5 4 2 0 1 9 1 6 8 2 5 4 1 9 3 0 2 5 2 2 5 4 N um be r o f c irc u...

Page 9: ...d o o r te m p 7 C D B 6 C W B E q uiva le nt re f p ip ing 7 5 m ho rizo nta l 3 A c tua l no is e le ve l m a y d iffe r d e p e nd ing o n the ro o m s truc ture e tc s inc e the s e no is e va lue...

Page 10: ...4 3 H e a ting 7 2 4 7 2 4 R e m o te c o ntro l R e m o te c o ntro l N o te s 1 N o m ina l c o o ling c a p a c itie s a re b a s e d o n the fo llo w ing c o nd itio ns Ind o o r te m p 2 7 C D B...

Page 11: ...tall hanger 6 63 1 34 1 23 1 8 Gas side Liguid side E parts box 50 8 30 7 Pum p i nspe ct hol e Drain hole 1 21 1 34 6 60 1 89 8 30 CONSTITUTION OF PANEL 1 2 5 34 4 1 PANEL 2 AIR FLOW LOUVER 3 INFRARE...

Page 12: ...DC Inverter Air 1 3 Service Space HEIGHT BETWEEN CEILI NG AND FLO OR The installat ion height b etween ceiling and floor must be 2 7m 3 2m 12 113...

Page 13: ...DC Inverter Air 1 4 Electrical Wiring Diagram 13 113...

Page 14: ...DC Inverter Air 1 5 Air Velocity and Temperature Distributions Airflow velocity 14 113...

Page 15: ...47 45 42 TCA 6 0CHRA DVI 50 50 45 1 7 Accessories Options Name Shape Quantity INSTALLATION FITTINGS 1 Installation paper board Soundproof insulation s heath 2 Tubing Fittings Connecting pipe group 1 O...

Page 16: ...SE 1 PHASE 3 PHASE 3 PHASE UNIT FREQUENCY 220 240V 220 240V 220 240V 220 240V 220 240V POWER AND VOLT 50Hz 50Hz 50Hz 50Hz 50Hz POWER WIRING 3 2 5 3 2 5 3 2 5 3 2 5 3 2 5 MM2 CIRCUIT 15 15 15 15 15 BRE...

Page 17: ...einforcing the beams that have been cut and the beams fixing the ceiling Installation of the hanging screw bolt Bolt with M10 whorl is to be used The center distance between the bolts is decided by th...

Page 18: ...erhanging the indoor unit Adjust the gasket down side to 90mm over the ceiling Install the hanging bolt into T groove of the hanging tool Overhang the indoor unit and ensure it is level using a level...

Page 19: ...vinyl c hloride pipe f32mm outer diameter Heat Insulation Material Foamed po lyethylene insulation plate 10mm thick ness Flexible Hose Measure diameter of the hard pipe using cutting method and adjust...

Page 20: ...nhindered before testing 1 Stow water from sprue to check 2 Stow 600cc water with pot or hose from sprueslowly preventing touchng the drain pump motor 3 After the preparation work disconnect the water...

Page 21: ...ocates red bolt s howing as figure and notice that the direction of red arrow on the electrica l box aligns the one on the panel 2 Please connect step motor wire display board wire to the electrical b...

Page 22: ...DC Inverter Air 22 113...

Page 23: ...46 level at Med dB A 40 41 cooling sound pressure level Low dB A 36 37 Refrigerant Type R410A R410A type Quantity Design pressure MPa 4 2 1 5 4 2 1 5 Electrical Data Power supply 220 240V 50Hz 220 24...

Page 24: ...r temperature 35 DB 24 WB Heating Indoor temperature 20 DB 15 WB and outdoor temperature 7 DB 6 WB Voltage 220V Sound Level Indoor unit sound pressure level measured at a point 1 5m downward from the...

Page 25: ...mber of rows 3 3 4 Fin spacing mm 1 4 1 4 1 4 Fin type Hydrophilic Hydrophilic Hydrophilic Indoor coil aluminium aluminium aluminium Tube outside mm 7 inner grooved 7 inner grooved tube 7 inner groove...

Page 26: ...B 19 WB and outdoor temperature 35 DB 24 WB Heating Indoor temperature 20 DB 15 WB and outdoor temperature 7 DB 6 WB Voltage 220V Sound Level Indoor unit sound pressure level measured at a point 1 5m...

Page 27: ...unted hook Air inlet size M J I L Out line dimension Ai r outlet opening size Air return opening size Siz e of mounted lug A B C D E F G H I J K L M 1 8 920 210 635 570 65 713 35 119 815 200 80 960 35...

Page 28: ...DC Inverter Air 2 3 Service Space 2 4 Wiring Diagrams 28 113...

Page 29: ...CA 24D2HRA DVI 46 41 37 TCA 36D2HRA DVI 47 44 40 TCA 48D2HR A DV3I 49 47 44 TCA 60D2HR A DV3I 51 49 46 2 6 Acce ssories Options Name Shape Quantity S oundproof insulation sheath 2 Tubing Fittings Bind...

Page 30: ...EQ UENCY AND V OLT 220 240V 0Hz 380V 50Hz POWER POWER WIRING M M2 3 4 0 4 4 0 CIRC UIT BREAKER A 30 30 INDO OR OUTDOO R CONNECTION 3 0 75 3 0 75 WIRING WEAK ELECT RIC SIGNAL MM2 INDO OR OUTDOO R CONNE...

Page 31: ...downward air return which can be change to its backward counterpart if necessary Please follow the steps below 2 5 to change it into the mode of air return backward 6 1 Air return downward 1 Loose th...

Page 32: ...ished concrete bricks In stall the ha nging ho ok with exp ans ble bo lt in to th e con cre te de e p t o 45 50m m t o prevent loo se Slide insertion Hanging bolt Steel roof bea m structure Make use o...

Page 33: ...duit window or connected to air conduit window after air flow diversion and the total length should not be over 6m As shown in figure below air speeds at all air outlets should be set to basically con...

Page 34: ...floor precast slabs by iron stand in addition all ports of the air conduit should be tightly sealed by gasket cement and it is advisable that the edge clearance of return air pipe shall be 150mm at l...

Page 35: ...er shall be equipped with less than 2 fixed parts 6 Installation of Drain Pipes Warning Must install drainpipes according to the following figure avoiding generating condensed water and leakage water...

Page 36: ...s necessary to ensure the unblocking state of drain pipes and check the sealing performance of various joints The new room shall be subject to a drainage test before laying the ceiling Inject a certai...

Page 37: ...B A 38 40 Refrigerant Type R410A R410A Charged type Quantity kg Refer to outdoor unit Refer to outdoor unit volume 20m Design pressure MPa 4 2 1 5 4 2 1 5 Electrical Data Power supply 220 240V 50Hz 22...

Page 38: ...kg 24 25 Packing dimensions W x H x D mm 1130x748x305 1130x748x305 Gross weight kg 29 30 Loading Capacity Note Specifications are based on the following conditions Cooling Indoor temperature 27 DB 19...

Page 39: ...ower supply 220 240V 50Hz 380 415V 3N 50Hz 380 415V 3N 50Hz Voltage Range V 220 240 380 415 380 415 Refrigerating System Model Y6S443C0100 Y6S443B5137 Y6S443B8108 Indoor fan Qty 1 2 2 Input W 158 140...

Page 40: ...305 1710x748x305 Gross weight kg 35 46 48 Loading Capacity Note Specifications are based on the following conditions Cooling Indoor temperature 27 DB 19 WB and outdoor temperature 35 DB 24 WB Heating...

Page 41: ...DC Inverter Air 3 2 Wirin g Diagra ms 41 113...

Page 42: ...DC Inverter Air A irflow velo city Discharge angle 60 FLOOR 42 113...

Page 43: ...DC Inverter Air Airflow velocity Temperature 43 113...

Page 44: ...3 40 TCA 36ZHRA DVI 46 44 42 TCA 48ZHRA DVI 52 49 46 TCA 60ZHRA DVI 54 51 48 3 5 Accessories Options Name Shape Quantity 1 Hook 2 Installation fittings 2 Hanging arm 2 3 Remote controller 1 Remote con...

Page 45: ...M2 INDO OR OUTDOO R CONNECTION 3 2 5 3 2 5 WIRING STRANG ELECTRIC SIGNAL MM2 MOD EL TCA 36ZHR A DV TCA 48ZHRA D V3 TCA 60ZHRA DV3 INDOOR PHASE 1 PHASE 1 PHASE 1 PHASE UNIT FREQ UENCY AND V OLT 220 240...

Page 46: ...ainage directions The piping and drain can be made in two directions as shown below fig 1 When the direction is selected please drill a 100mm 4 diameter hole on the wall and the hole must be tilted do...

Page 47: ...nstall two expansible anchor bolts A and B at the position shown in the figure NOTE Co olling 1 8 000 2 4 000 36 00 0 48 000 60 000 Ca pacity Dim ension B tu hr B tu hr Btu hr Btu hr Btu hr L 98 0mm 9...

Page 48: ...sp ring washer s NOTE The installation angle should not exceed 15 degrees CAUTION Be sure to arrange the drain hose so that it is leveled lower than the drain hose connecting port of the indoor unit 3...

Page 49: ...or for smoot h water flow 2 Drilling holes for anch or bolts and installing the anchor blots m10 Please drill four holes for anchor bolts at the position A B C and D NOTE Co olling 18 000 24 000 36 0...

Page 50: ...ory you just need connect the drain pipe Wrap the insulation dra in hose around the drain hose connection Be sure to arrange the drain hose so that it is leveled lower than the drain hose connecting p...

Page 51: ...esign pressure MPa 4 2 1 5 4 2 1 5 4 2 1 5 Electrical Data Power supply 220 240V 50Hz 380 415V 3N 50Hz 380 415V 3N 50Hz Voltage Range V 220 240 380 415 380 415 Max Power W 5000 7200 7600 Max Current A...

Page 52: ...hers Net dimensions Outdoor mm 940 885 340 940 1250 340 940 1250 340 W x H x D Net weight Outdoor kg 75 93 95 Packing dimensions Outdoor mm 1030 950 430 1030 1272 430 1030 1272 430 W x H x D Gross wei...

Page 53: ...240V 50Hz 220 240V 50Hz Voltage Range V 220 240 220 240 Max Power W 3100 4100 Max Current A 14 19 Refrigerating System Model ATN150D42UFZ ATF235D22UMT Type Rotary Rotary Brand GMCC GMCC Capacity Btu h...

Page 54: ...Outdoor mm 883 653 412 1015 720 425 W x H x D Gross weight Outdoor kg 36 57 Loading Capacity Note Specifications are based on the following conditions Cooling Indoor temperature 27 DB 19 WB and outdoo...

Page 55: ...60 TCA 60HRA DV3O 60 3 Correction Curve of Capacity performance 1 Correction of Cooling Capacity Valid Cooling Capacity Rated Cooling Capacity Correction Coefficient 1 2 3 4 Notes 1 2 3 4 refers to t...

Page 56: ...ther or not the outdoor unit is above or below the indoor unit B Refrigerant piping cannot exceed the calibrated range of the machine oth erwise do not follow the capacity attenuation curve in the sai...

Page 57: ...ture 3 Correction Coefficient of Piping Length Pipin g Length of Outdoor Unit 5 50m Precautions A It is equally applicable whether or not the outdoor unit is above or below the indoor unit B Refrigera...

Page 58: ...DC Inverter Air 4 Normal Operation Temperature Range Cooling Heating 5 Installation Dimension Drawing of Outdoor Unit Split type outdoor unit A A H H Fig 1 B Fig 2 D C E F 58 113...

Page 59: ...tdoor unit and pay attention to the gravity center position to avoid the slide and turnover of the outdoor unit and forklift can also be used for the handling Please add the guard plate at the contact...

Page 60: ...rmal life of the local people Where is unable to bear the weight of the outdoor unit Where is not leveled Where is poorly ventil ated Where there are private power supplies and high frequency devices...

Page 61: ...M 4 Minimum Distance for Relative Arrangement of Front Face in the Same Plane Air Outlet Side Wind direction Wind direction More than 650CM 5 Minimum Distance for Relative Arrangement of Back Face in...

Page 62: ...rear unit Wind direction Wind direction 7 Electrical Design 7 1 Specification of Power Supply MODEL 18K 24K INDOOR PHASE 1 PHASE 1 PHASE UNIT FREQUENCY AND VOLT 220 240V 50Hz 220 240V 50Hz POWER POWER...

Page 63: ...e selected according to the requirements and the diameter of air condition power cord shall be greater than that of common power cord 2 In order to prevent the misuse of the air conditioner it is nece...

Page 64: ...DC Inverter Air 7 2 Electrical Wiring Diagram 2 1 TCA 36HRA DV 64 113...

Page 65: ...DC Inverter Air 2 2 TCA 48H RA DV3 TCA 60HRA DV3 65 113...

Page 66: ...DC Inverter Air 2 2TCA 18HRA DVO TC A 24HRA DVO 66 113...

Page 67: ...hall be increased while the 50g m 50g m 50g m mounted pipe is more than the standard piping Note A return oil elbow must be equipped for each drop of 10m in the vertical height of refrigerant pipe Con...

Page 68: ...ng amount piping length and height difference of indoor outdoor units shall be recorded and properly stored for backup 3 6 Electrical Wiring A The diameter of power capacitor cables and power cables s...

Page 69: ...en ter the pipe When t he copper t ube gets into the outdo or area th rain may easily enter the pipe in p articular special attention shall be pai d when the pipe is in a vertical state 2 Preca utions...

Page 70: ...nst the ground D T he pipe opening shall be upside down while removing the burr after cutting the pipe E Remember that the pipe opening must be plugged while cond ucting the piping operations in rainy...

Page 71: ...the leakage D Confirm the support strength for pipes The spacing criteria for supports of horizont al pipes cop er tube are as follows Cr iteria mm Below 20 25 40 50 Max spacing m 1 0 1 5 2 9 Minimum...

Page 72: ...19 1 R22 flare size A mm 8 8 12 8 16 2 19 4 23 7 R410A flare size A mm 9 1 13 2 16 6 19 7 24 0 Notes A The flared side of R410A is deeper than that of R22 B The eccentricity between horn center and pi...

Page 73: ...thly vertical and horizontal parallel to each other and bound together to try the best to avoid the overhead cross and blockage D The installation of connecting pipes and electric wires of indoor outd...

Page 74: ...F Record the adding amount of refrigerant onto the refrigerant indicator nameplate of outdoor unit G The recharged amount shall be measured by the electronic scale 9 Heat Insulation Works 9 1 Insulat...

Page 75: ...treatment for purpose o f welding an d leakage de tection after completing the laying of the pipe Incorrect Correct Gas pipe a nd liquid pip e shall not be Only for heat insulati on of gas pip e Heat...

Page 76: ...sition without heat insulation treatment 9 4 Precautions 1 The welding area flare area or flange area shall all be subject to the heat insulation treatment after they are qualified upon the airtight t...

Page 77: ...ette 1 2 Ceiling Floor Runn in g light Timing light Ma nual Switch Nixi e tube RUN DEFRO S D e f ro st ing pre heat light TIM ER FAU LT w arning li ght B uzzer 77 113 In f r a r e d s ig n a l re c e...

Page 78: ...e state of defrosting preheat light When in the state of defrost oil return cold wind proof the defrosting preheat light lights on while the double 8 shows the designed temperature One driven one does...

Page 79: ...code during the fault protection 2 Fault Identification Determine the fault type according to the symptom The faults of AC system are generally classified into four categories 1 AC system cannot be st...

Page 80: ...0 7 When the refrigerant amount is too little its symptom is as follows exhaust air and return air temperature is higher LV pressure and HV pressure is lower When the refrigerant amount of outdoor un...

Page 81: ...oling system problem For example there may be the following reasons for system display of high voltage protection high voltage switch damaged element problem system high voltage is actually not high b...

Page 82: ...DC Inverter Air 82 113...

Page 83: ...t temperature etc and organizes them together in te ms of certain formats to control the actions of the relevant parts including electronic expansion valve etc and meanwh ile transfers them to the con...

Page 84: ...of motherboard of outdoor unit 5 Main reserved output of outdoor unit 220 240V 6 Heating belt of compressor 220 240V 7 Motherboard reserved output of outdoor unit 220 240V 8 Communication interface b...

Page 85: ...of Outdoor Unit No Display Content Remarks display running frequency during the Normal frequency value defrosting d 0 frequency value return oil C running frequency value 1 Target frequency Actual val...

Page 86: ...C E03 Inverter module communication fault of Stop system shoot trouble resume operation outdoor unit E4 E04 Phase sequence protection fault Stop system shoot trouble resume operation motherboard E7 E0...

Page 87: ...fter three protections within one Tc hour it shall be re energized to resume operation P2 P13 Inverter compressor current protection Stop system release protection resume operation Stop system release...

Page 88: ...UVW 2 Monitor and test ou tput 3 Electronic expansion valve interface 4 Exhaust temperature sensor interface 5 Temperature sensor interface of outdoor temperature and condense tube 6 Outdoor DC fan o...

Page 89: ...ength DIP of Outdoor Unit 20 SW411 SW411 4 1 1 Long 0000 piping 2 Short 0001 piping Note 1 ON 0 OFF c Capacity of Outdoor Unit Model DIP 14 SW1 Model HP BTU 100W SW 1 4 1 1 TCA 18HRA DVO 1111 2 TCA 24...

Page 90: ...3 Phase power supply input 5 DC OUT Externally connect the capacitor negative electrode 6 DC IN Externally connect the capacitor negative electrode 7 U V W Compressor drive output 8 DC IN Externally...

Page 91: ...Driver Fault and Protection 1 2 3 4 6 5 1 CN708 Communication between compressor driver and main control panel 2 U V W CN5 CN6 CN7 Compressor driver output 3 AC L AC N CN1 CN2 Power supply input termi...

Page 92: ...lt with main control panel Note the number in fault code refers to the flashing times of LEDD etc List of Alarm Protections Fault Code Fault Content 1 Compressor over current alarm peak value 2 Compre...

Page 93: ...ed pairs or not 3 Connection way of communication line is correct or not 4 Is there a large size disturbance source in the surrounding environment or not Note The communication line connection of indo...

Page 94: ...ce of circuit sensor interface usually 8 1 10K Use the DC voltage gear to measure the voltage of sensor sampling port of IC under the standby state usually 3V or so E06 open short circuit fault of out...

Page 95: ...occurs in the standby state or prior to the startup Treatment Method 1 Use multi meter to check whether the high pressure switch is in open circuit and if YES please replace the high pressure sensor...

Page 96: ...en the system will automatically shut down and be locked and it is required to switch off and re energize to resume the operation P09 Inverter Compressor Exhaust High Temperature Protection TD Treatme...

Page 97: ...he fault code E35 and then the system will automatically shut down and be locked and it is required to switch off and re energize to resume the operation P31 Coil Temperature T2 Protection of Indoor U...

Page 98: ...Outdoor Reason display flash Under voltage protection P1 2 Input voltage lower than 160V 5V Overload of current P2 3 Running current exceeds a limited value no displayed protection High temperature P4...

Page 99: ...h fault temperature switch fault Voltage sensor fault EU 12 System can t collect current voltage data normally Back gas temperature EH 18 Open circuit or short circuit of outdoor exhaust gas temperatu...

Page 100: ...ormal please test whether the resistance of exhaust temperature sensor is consistent with that in attached page Annex 3 3 If it is normal please replace the main control panel If three indoor coil T2...

Page 101: ...all indoor air duct units It will be operated as per the low wind speed gear even if it is in the heating and anti cold wind and oil return period 4 KNOB1 Indoor Unit Capacity Model DIP Power Dial Sw...

Page 102: ...ER SOUREC input interface 15 FUSE 2 Description of Motherboard of Indoor Unit Duct Ceiling floor 1 2 3 4 16 5 15 14 6 7 13 12 11 10 9 8 1 Transformer Input socket 220v high voltage 220V 240V is inputt...

Page 103: ...d down vane motor 6 Left or right vane motor 7 Dashboard Socket Display Panel The dashboard is only used to display the running status and fault information of the air conditioner and receive the sign...

Page 104: ...erter Air 14 transformer Output AC power supply is inputted into transformer and the transformer will output 15V and then input to the electric control panel 15 FUSE 16 POWER SOUREC input interface 10...

Page 105: ...by state Replace MCP B Fault of Outdoor Unit After the failure of outdoor unit the indoor unit will display the fault of outdoor unit see the Troubleshooting of Outdoor Unit for more details 3 7 Syste...

Page 106: ...air conditioner is operated under the condition of no installation of filter screen the dust accumulated in the air conditioner will cause the fault because the dust in the indoor air cannot be remove...

Page 107: ...ems A Ensure that the air inlet and outlet of indoor and outdoor units are not blocked B Ground wire is intact wiring is intact 2 The trained service personnel can be invited to clean the air filter a...

Page 108: ...wo groups of coils is big After a long time it will lead to the burning of compressor built in protector or two groups of coils b The compressor is unable to start in case of any open circuit of eithe...

Page 109: ...of refrigerants in the cooling system b During the cooling process of the system the fan of indoor unit does not work or the capacitor capacitance decreases fan speed is low air duct is clogged and th...

Page 110: ...ole cooling system After c ompleting th e replacement of compressor the strict evacuation and pressure holding operation shall be carried out to the cooling system and the refrigerant shall be filled...

Page 111: ...air conditioner will give out the lower continuous Hissing sound when it is in its automatic operation cooling dehumidifying or heating operation it is the flowing sound of refrigerants between indoo...

Page 112: ...9 102 2 85 0 9982 185 0 6 49 3161 21 2 40 5 1752 104 0 86 0 9668 186 8 5 46 5725 23 0 41 4 9639 105 8 87 0 9366 188 6 4 44 0000 24 8 42 4 7625 107 6 88 0 9075 190 4 3 41 5878 26 6 43 4 5705 109 4 89 0...

Page 113: ...5000 71 6 68 1 7665 154 4 23 10 9731 73 4 69 1 7055 156 2 24 10 4736 75 2 70 1 6469 158 0 25 10 0000 77 0 71 1 5907 159 8 Annex 4 Parameter Table of Temperature Sens or Exhaust Air Temperature Sensor...

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