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131

19.7 Outdoor Electronic Controller Removal Procedure

19.7.1 CU-Z25UBRA

Caution! When handling electronic controller, be careful of electrostatic discharge.

1 Remove the 5 screws of the Top Panel.

Fig. 1

2 Remove the 6 screws of the Front Panel.

Fig. 2

3 Remove the screw of the Terminal Board

Cover.

4 Remove the Top Cover of the Control Board

by 4 hooks.

Fig. 3

5 Remove the Control Board as follows:

Fig. 4

Fig. 5

Fig. 6

Top Panel

Screws

Screw

Screws

Screw

Front Panel

Hooks

Top Cover

Hooks

Terminal
Board
Cover

Screw

Control Board

Release 3 Terminal
Connectors, L, N
and Earth Wire Screw.
Then Remove 4 Terminal
Connectors of DRM.

Remove 2
Screws of
Plate Terminal
Board

Remove of Screw
Control Board

Release 2 Earth
Wire Screws

Release 7
Connectors

Remove the Terminal Cover

and 3 Terminal Compressor

Control Board

Compressor

Electronic Controller

Control Board

Содержание CS-Z25UFRAW

Страница 1: ... OF LOW TEMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit CAUTION R32 REFRIGERANT This Air Conditioner contains and operates with refrigerant R32 THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL Refer to Commonwealth State Territory and local legislation regulations codes installation opera...

Страница 2: ... Operation Cooling Mode Cooling Area of Dry Mode 75 14 6 Quiet Operation Heating 76 14 7 Powerful Mode Operation 76 14 8 Timer Control 76 14 9 Auto Restart Control 77 14 10 Indication Panel 77 14 11 HA Terminal HAJEM A 77 14 12 Demand Control 78 14 13 nanoe X Operation 78 15 Operation Control For Multi Split Connection 80 15 1 Cooling operation 80 15 2 Soft Dry Operation 80 15 3 Heating Operation ...

Страница 3: ...utdoor unit near handrail of veranda When installing air conditioner unit on veranda of a high rise building child may climb up to outdoor unit and cross over the handrail causing an accident 3 Do not use unspecified cord modified cord joint cord or extension cord for power supply cord Do not share the single outlet with other electrical appliances Poor contact poor insulation or over current will...

Страница 4: ...c or less Otherwise it may cause electrical shock and fire in case of equipment breakdown or insulation breakdown 22 During installation install the refrigerant piping properly before running the compressor Operation of compressor without fixing refrigeration piping and valves at opened position will cause suck in of air abnormal high pressure in refrigeration cycle and result in explosion injury ...

Страница 5: ...15 16A 1 0 1 5HP 16A 2 0HP power plug with earth pin for the connection to the socket 2 Power supply connection to a circuit breaker for the permanent connection Use an approved 16A 1 0 2 0HP circuit breaker for the permanent connection It must be a double pole switch with a minimum 3 0 mm contact gap 9 Installation or servicing work It may need two people to carry out the installation or servicin...

Страница 6: ...rvice personnel Any qualified person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry accredited assessment authority which authorizes their competence to handle refrigerants safely in accordance with an industry recognised assessment specification Servicing shall only be performed as recommended by the equipment manufa...

Страница 7: ...ing the system That there is continuity of earth bonding At all times the manufacturer s maintenance and service guidelines shall be followed If in doubt consult the manufacturer s technical department for assistance If a fault exists that could compromise safety then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with If the fault cannot be corrected immed...

Страница 8: ...Hoses or lines shall be as short as possible to minimize the amount of refrigerant contained in them Cylinders shall be kept upright Ensure that the refrigeration system is earthed prior to charging the system with refrigerant Label the system when charging is complete if not already Extreme care shall be taken not to over fill the refrigeration system Prior to recharging the system it shall be pr...

Страница 9: ...with a set of instructions concerning the equipment that is at hand and shall be suitable for the recovery of flammable refrigerants In addition a set of calibrated weighing scales shall be available and in good working order Hoses shall be complete with leak free disconnect couplings and in good condition Before using the recovery machine check that it is in satisfactory working order has been pr...

Страница 10: ...er Level dB 54 41 36 Outdoor Noise H L QLo dB A 46 Power Level dB 61 Heating Capacity kW 0 85 3 40 5 00 0 85 3 40 5 00 BTU h 2900 11600 17100 2900 11600 17100 kcal h 730 2920 4300 730 2920 4300 Running Current A 3 40 3 25 Input Power W 240 740 1 35k 240 740 1 35k COP COP CLASS W W 3 54 4 59 4 5 3 70 3 54 4 59 4 5 3 70 COP BTU hW 12 08 15 68 12 67 12 08 15 68 12 67 kcal hW 3 04 3 95 3 19 3 04 3 95 ...

Страница 11: ...in 5 8 205 Heat m 3 min ft 3 min 5 9 208 Me Cool m 3 min ft 3 min 7 9 280 Heat m 3 min ft 3 min 8 3 290 Hi Cool m 3 min ft 3 min L S 9 8 345 163 Heat m 3 min ft 3 min L S 10 4 365 173 SHi Cool m 3 min ft 3 min 10 3 360 Heat m 3 min ft 3 min 11 2 395 Outdoor Airflow Hi Cool m 3 min ft 3 min 28 7 1015 Heat m 3 min ft 3 min 27 2 960 Refrigeration Cycle Control Device Expansion Valve Refrigerant Oil c...

Страница 12: ...rd A Nil Thermostat Electronic Control Protection Device Electronic Control Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum C 32 23 Minimum C 16 11 Heating Maximum C 30 Minimum C 16 Outdoor Operation Range Cooling Maximum C 46 26 Minimum C 10 Heating Maximum C 24 18 Minimum C 15 16 1 Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C Wet Bulb 66 2 F...

Страница 13: ... dB 55 42 36 Outdoor Noise H L QLo dB A 48 Power Level dB 63 Heating Capacity kW 0 85 4 30 6 00 0 85 4 30 6 00 BTU h 2900 14700 20500 2900 14700 20500 kcal h 730 3700 5160 730 3700 5160 Running Current A 4 80 4 60 Input Power W 240 1 06k 1 75k 240 1 06k 1 75k COP COP CLASS W W 3 54 4 06 3 5 3 43 3 54 4 06 3 5 3 43 COP BTU hW 12 08 13 87 11 71 12 08 13 87 11 71 kcal hW 3 04 3 49 2 95 3 04 3 49 2 95...

Страница 14: ...n 6 0 212 Heat m 3 min ft 3 min 6 1 215 Me Cool m 3 min ft 3 min 8 1 285 Heat m 3 min ft 3 min 8 7 305 Hi Cool m 3 min ft 3 min L S 10 2 360 170 Heat m 3 min ft 3 min L S 10 9 385 182 SHi Cool m 3 min ft 3 min 10 7 375 Heat m 3 min ft 3 min 11 7 410 Outdoor Airflow Hi Cool m 3 min ft 3 min 34 3 1210 Heat m 3 min ft 3 min 31 8 1125 Refrigeration Cycle Control Device Expansion Valve Refrigerant Oil ...

Страница 15: ...rd A Nil Thermostat Electronic Control Protection Device Electronic Control Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum C 32 23 Minimum C 16 11 Heating Maximum C 30 Minimum C 16 Outdoor Operation Range Cooling Maximum C 46 26 Minimum C 10 Heating Maximum C 24 18 Minimum C 15 16 6 Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C Wet Bulb 66 2 F...

Страница 16: ...60 47 43 Outdoor Noise H L QLo dB A 48 43 Power Level dB 63 58 Heating Capacity kW 0 90 5 60 8 10 0 90 5 60 8 10 BTU h 3070 19100 27600 3070 19100 27600 kcal h 770 4820 6970 770 4820 6970 Running Current A 6 60 6 40 Input Power W 260 1 47k 2 60k 260 1 47k 2 60k COP COP CLASS W W 3 46 3 81 3 0 3 12 3 46 3 81 3 0 3 12 COP BTU hW 11 81 12 99 10 62 11 81 12 99 10 62 kcal hW 2 96 3 28 2 68 2 96 3 28 2 ...

Страница 17: ...in 7 1 251 Heat m 3 min ft 3 min 7 9 279 Me Cool m 3 min ft 3 min 9 6 340 Heat m 3 min ft 3 min 10 7 380 Hi Cool m 3 min ft 3 min L S 11 9 420 198 Heat m 3 min ft 3 min L S 13 6 480 227 SHi Cool m 3 min ft 3 min 12 4 440 Heat m 3 min ft 3 min 14 0 490 Outdoor Airflow Hi Cool m 3 min ft 3 min 39 7 1400 Heat m 3 min ft 3 min 36 4 1285 Refrigeration Cycle Control Device Expansion Valve Refrigerant Oi...

Страница 18: ...ord A Nil Thermostat Electronic Control Protection Device Electronic Control Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum C 32 23 Minimum C 16 11 Heating Maximum C 30 Minimum C 16 Outdoor Operation Range Cooling Maximum C 46 26 Minimum C 10 Heating Maximum C 24 18 Minimum C 15 16 1 Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C Wet Bulb 66 2 ...

Страница 19: ... single split connection only Easy to use remote control Quality Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor o Noise prevention during soft dry operation Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the d...

Страница 20: ...r Air Outlet Aluminium Fin Air filters Air Inlet String Front Panel INDICATOR Auto OFF ON button Use when remote control is misplaced or a malfunction occurs nanoe X operation LCD display Quiet operation Operation mode Fan speed selection Powerful operation OFF ON Temperature setting Airflow direction adjustment Clock setting Timer setting ...

Страница 21: ... 1 Indoor Unit Unit mm Remote Control Holder Remote Control 59 165 69 64 750 207 631 Side View Side View Front View Top View Back View Bottom View 49 7 101 3 71 6 60 45 106 5 600 65 4 80 4 75 80 5 53 100 Drain hose 270 ...

Страница 22: ...7 67 6 780 85 5 155 2 320 34 3 60 5 104 9 Space necessary for installation Anchor Bolt Pitch 320 570 Side View Side View Front View Top View Unit mm 2 way valve at Liquid side High Pressure 3 way valve at Gas side Low Pressure 1000 mm 100 mm 100 mm Chassis 777 6 287 2 Ø 2 0 ...

Страница 23: ...View Anchor Bolt Pitch 330 540 Space necessary for installation 100 mm 100 mm 1000 mm Unit mm 3 way valve at Gas side Low Pressure 2 way valve at Liquid side High Pressure 22 124 62 6 330 619 167 97 69 20 62 32 540 160 824 68 7 37 299 Chassis 822 297 Ø 2 0 ...

Страница 24: ...131 72 875 35 82 360 5 131 Side View Side View Front View Top View Unit mm 2 way valve at Liquid side High Pressure 3 way valve at Gas side Low Pressure Anchor Bolt Pitch 360 5 613 Space necessary for installation 100 mm 100 mm 1000 mm Chassis 872 6 318 2 Ø 2 0 ...

Страница 25: ...OR OUTDOOR INTAKE AIR TEMP SENSOR AIR TEMP SENSOR PIPE TEMP SENSOR 1 PIPE TEMP SENSOR 2 TANK SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEATING COMPRESSOR 4 WAYS VALVE CONDENSER MUFFLER RECEIVER STRAINER STRAINER EXPANSION VALVE ...

Страница 26: ...MP SENSOR PIPE TEMP SENSOR AIR TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEATING COMPRESSOR CONDENSER PROCESS TUBE STRAINER EXPANSION VALVE 4 WAYS VALVE TANK SENSOR PIPE TEMP SENSOR 1 PIPE TEMP SENSOR 2 RECEIVER ...

Страница 27: ... RY PWR DB103 D24 NTC NTC PTC PTC1 SC SC NTC REACTOR SINGLE PHASE POWER SUPPLY AC230 240V 50Hz TH2 TH3 4 WAY VALVE TH1 IC25 FUSE101 DB101 FUSE2 FUSE104 DRM FUSE103 U TEMP FUSE FUSE301 SEN1 FUSE3 NOISE FILTER L 1 2 3 1 2 3 C N MS 3 MS 3 M INDOOR UNIT OUTDOOR UNIT ...

Страница 28: ... CN RCV YLW CN RCV WHT ELECTRONIC CONTROLLER DISPLAY ELECTRONIC CONTROLLER RECEIVER REMOTE CONTROLLER 1 4 GR R GR W W BL GR GR 1 1 2 5 CN1 WHT CN2 WHT NANOE ION GENERATOR CN RMT WHT 4 1 CN STM1 BLU 1 5 CN NANO BLU 1 4 HAJEM A WHT CN STM2 WHT 1 5 6 1 CN TH RED 1 M 5 PIPING TEMPERATURE SENSOR 1 THERMISTOR PIPING TEMPERATURE SENSOR 2 THERMISTOR UP DOWN LOUVER MOTOR TOP UP DOWN LOUVER MOTOR FRONT t SU...

Страница 29: ... IS INDICATED ON TERMINAL COVER BLUE BLU OR S V RED RED OR R U CN TH1 WHT CN TANK WHT RED RED BLU BLU BLK PNK WHT YLW YLW U RED V BLU W YLW U V W 1 4 1 3 CN STM WHT 1 6 P N Q1 OUTDOOR AIR TEMP SENSOR THERMISTOR PIPING TEMP SENSOR THERMISTOR COMPRESSOR TEMP SENSOR THERMISTOR CN HOT WHT 1 3 ELECTRO MAGNETIC COIL 4 WAY VALVE ELECTRO MAGNETIC COIL EXPANSION VALVE REMARKS BLU BLUE BLK BLACK WHT WHITE R...

Страница 30: ...CATED ON TERMINAL COVER BLUE BLU OR S V RED RED OR R U CN TH1 WHT CN TANK WHT RED RED BLU BLU BLK PNK WHT YLW YLW U RED V BLU W YLW U V W 1 4 1 3 CN STM WHT 1 6 P N Q1 OUTDOOR AIR TEMP SENSOR THERMISTOR PIPING TEMP SENSOR THERMISTOR COMPRESSOR TEMP SENSOR THERMISTOR CN HOT WHT 1 3 ELECTRO MAGNETIC COIL 4 WAY VALVE ELECTRO MAGNETIC COIL EXPANSION VALVE REMARKS BLU BLUE BLK BLACK WHT WHITE RED RED Y...

Страница 31: ...CATED ON TERMINAL COVER BLUE BLU OR S V RED RED OR R U CN TH1 WHT CN TANK WHT RED RED BLU BLU BLK PNK WHT YLW YLW U RED V BLU W YLW U V W 1 4 1 3 CN STM WHT 1 6 P N Q1 OUTDOOR AIR TEMP SENSOR THERMISTOR PIPING TEMP SENSOR THERMISTOR COMPRESSOR TEMP SENSOR THERMISTOR CN HOT WHT 1 3 ELECTRO MAGNETIC COIL 4 WAY VALVE ELECTRO MAGNETIC COIL EXPANSION VALVE REMARKS BLU BLUE BLK BLACK WHT WHITE RED RED Y...

Страница 32: ...7 1µ 16V R61 20 0k 1 C28 1µ 16V R63 20 0k 1 13V 1 2 3 4 5 6 7 16 9 15 14 13 12 11 10 IC02 13V 1 2 3 4 5 6 7 16 9 15 14 13 12 11 10 IC03 C52 1000p 50V C57 F302 C56 L5 5V L6 13V C51 1000p 50V R90 10k R82 10k JR4 5V C10 0 01µ R33 10k R34 1k 5V C11 0 01µ R35 10k C45 0 1µ C49 R54 270 R37 10k 5V 5V C47 C48 R85 5 1k 13V R109 33k JR5 0 IC05 7 10 G S D E C B C65 1µ R108 33k R113 1k R107 10k F303 Q18 Q20 C6...

Страница 33: ...the outdoor fan motor can be checked by applying power after short circuiting CN S G1 ZD501 R506 2k R505 NONE G1 ZD502 R504 2k R503 NONE R507 10k D502 D503 D504 D505 G1 D506 NONE C507 NONE PC501 1 2 4 3 24V_1 PC502 24V_1 R508 10k D507 NONE C508 NONE 1 2 4 3 13V C174 G2 G2 D76 D75 D73 D74 A K A K A K A K 5V G5 C5 1u KB 10V R1 4 99k 1 24V G10_1 5V G5 G5 R11 15 8k 1 B1 C9 1u 10V KY C88 220u 10V R12 1...

Страница 34: ...or fan motor can be checked by applying power after short circuiting CN S G1 ZD501 R506 2k R505 NONE G1 ZD502 R504 2k R503 NONE R507 10k D502 D503 D504 D505 G1 D506 NONE C507 NONE PC501 1 2 4 3 24V_1 PC502 24V_1 R508 10k D507 NONE C508 NONE 1 2 4 3 13V C174 G2 G2 D76 D75 D73 D74 A K A K A K A K 5V G5 C5 1u KB 10V R1 4 99k 1 24V G10_1 5V G5 G5 R11 15 8k 1 B1 C9 1u 10V KY C88 220u 10V R12 15k 1 B1 C...

Страница 35: ...or fan motor can be checked by applying power after short circuiting CN S G1 ZD501 R506 2k R505 NONE G1 ZD502 R504 2k R503 NONE R507 10k D502 D503 D504 D505 G1 D506 NONE C507 NONE PC501 1 2 4 3 24V_1 PC502 24V_1 R508 10k D507 NONE C508 NONE 1 2 4 3 13V C174 G2 G2 D76 D75 D73 D74 A K A K A K A K 5V G5 C5 1u KB 10V R1 4 99k 1 24V G10_1 5V G5 G5 R11 15 8k 1 B1 C9 1u 10V KY C88 220u 10V R12 15k 1 B1 C...

Страница 36: ...Printed Circuit Board 11 1 Indoor Unit 11 1 1 Main Printed Circuit Board CN RCV AC306 G301 CN FM AC304 AC303 CN NANO CN RMT CN CNT CN STM1 CN STM2 HAJEM A CN TH CN DISP JP1 Random Auto Restart enable disable ...

Страница 37: ...37 11 1 2 Display Printed Circuit Board 11 1 3 Receiver Printed Circuit Board CN DISP CN RCV LED201 ...

Страница 38: ...38 11 2 Outdoor Unit 11 2 1 Main Printed Circuit Board POWER TRANSISTOR IPM CURRENT TRANSFORMER CT CN DEMAND CN TH1 CN MTR1 CN TANK CN HOT CN MTR2 CN V1 CN STM AC BLK DATA AC WHT FG1 FG2 CN S ...

Страница 39: ...39 11 2 2 Demand Control Printed Circuit Board CN OPT AC_GND CN PWR CN DEMAND ...

Страница 40: ...charge amount in appliance in kg LFL Lower flammable limit 0 306 kg m3 h0 Installation height of the appliance 0 6m for floor console 12 1 1 Selecting the Installation Location 12 1 1 1 Indoor Unit Before choosing the installation site obtain user approval There should not be any heat source or steam near the unit There should not be any obstacles blocking the air circulation A place where air cir...

Страница 41: ... Pipe size reducer CZ MA1P for CS Z50 when connect to multi 12 1 3 Installing the Indoor Unit 12 1 3 1 Exposed Installation 12 1 3 1 1 Refrigerant piping 1 Drill a hole 70mm in diameter in the spot indicated by the symbol in the illustration as below 2 The location of the hole is different depending on which side of the pipe is taken out 3 For piping see 12 1 4 Connecting the refrigerant piping 4 ...

Страница 42: ...he front panel to remove it Slide Shaft to disassemble top vane Remove 2 screws and disengage center hook then dismount front grille For Moldings and Side Piping Remove the pillars Remove the slit portions on the bottom frame using nippers CAUTION When the wall is hollow please be sure to use the sleeve for tube ass y to prevent dangers caused by mice biting the connecting cable 15 mm ø70 through ...

Страница 43: ...llustration on the right 12 1 3 2 2 Installation of supplemental plate for attaching indoor unit The rear of the unit can be fixed with screws at the points shown in the illustration as below Be sure to install the supplemental plate in accordance with the depth of the inner wall Floor Installation Wall Installation Casing 6 screws 2 M4 25L To access these 2 locations long screw driver is required...

Страница 44: ...ps below o Press continuously for more than 5 seconds to enter special setting mode o Press to choose function 69 and then press or to set 01 o Press to activate Up down air swing upper limit restriction 12 1 3 3 2 Refrigerant piping Left bottom piping Right bottom piping 70 10 80 Hole location 5 Wall 45 50 Wall Right left side piping Unit piping position Unit mm SET T 5secs Special setting mode F...

Страница 45: ...from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table Do not overtighten overtightening may cause gas leakage Piping size Torque 6 35 mm 1 4 18 N m 1 8 kgf cm 9 52 mm 3 8 42 N m 4 3 kgf cm 12 7 mm 1 2 55 N m 5 6 kgf cm 15 88 mm 5 8 65 N m 6 6 kgf ...

Страница 46: ... should be approved polychloroprene sheathed 4 x 1 5 mm2 flexible cord designation type 60245 IEC 57 H05RN F or heavier cord Allowable connection cable length of each indoor unit shall be 30 m or less o Ensure that the terminal numbers on the indoor unit are connected to the same terminal numbers on the outdoor unit by the right coloured wires as shown in the diagram o Earth lead wire should be lo...

Страница 47: ...n terminal board gap between wires WARNING RISK OF FIRE JOINING OF WIRES MAY CAUSE OVERHEATING AND FIRE Do not joint wires OR OR OR Use complete wire without joining Use approved socket and plug with earth pin Wire connection in this area must follow to national wiring rules ACCEPT PROHIBITED PROHIBITED Wire stripping No loose strand when inserted 10 1 mm ...

Страница 48: ...rt installation according to Indoor Outdoor Unit Installation Diagram 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut ø10 mm 2 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails Model A B C D Z25 570 mm 105 mm 18 5 mm 320 mm Z35 540 mm 160 mm 18 5 mm 330 mm Z50 613 mm 131 mm 24 mm 360 5 mm ...

Страница 49: ...the Equipment WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure 1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3 way valve o Be sure to connect the end of the charging hose with the push pin to the service port 2 Connect the center hose of the charging set to a vacuum p...

Страница 50: ...d plug must follow to national wiring standard 3 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1 5 mm2 flexible cord type designation 60245 IEC 57 or heavier cord Allowable connection cable length of each indoor unit shall be 30 m or less 4 Demand control signal transmission cable between outdoor unit and DRED Demand response enabling devices ...

Страница 51: ...r inserting the flare nut onto the copper pipes 12 2 7 Disposal of Outdoor Unit Drain Water If a drain elbow is used the unit should be placed on a stand which is taller than 3 cm If the unit is used in an area where temperature falls below 0 C for 2 or 3 days in succession it is recommended not to use a drain elbow for the drain water freezes and the fan will not rotate 1 To cut When properly fla...

Страница 52: ...In 2010 the regulations of American Society of Heating Refrigerating and Air Conditioning Engineers in the United States ANSI ASHRAE34 was issued adopting the grades for refrigerants which are difficult to inflame due to their slow burning rates and as a result have smaller damages in cases of fire The burning rate of R32 is lower by 10cm per second and safety standardization for various usage is ...

Страница 53: ...e of R410A it is necessary to do installation and service using high pressure tools and components Table 2 Saturated vapor pressure comparison table Unit MPa Temperature Refrigerant R32 R410A R22 20 0 30 0 30 0 14 0 0 71 0 70 0 40 20 1 37 1 35 0 81 40 2 38 2 32 1 43 60 3 84 3 73 2 33 65 4 29 4 17 2 60 Reference Thermal properties table of Japan Society of Refrigerating and Air Conditioning Enginee...

Страница 54: ...tools such as screw drivers metal saws electric drills long nose pliers hole core drills ø70 or ø65 linen tape levels temperature gauges clamp meters electric knives nippers pipe cutters reamers or scrapers spring benders diameters 1 4 3 8 1 2 5 8 monkey wrenches fixing wrenches 17 or 12 mm feeler gauges hexagon wrenches 4 mm testers megohm testers etc Tools used for services Works R32 R410A R22 I...

Страница 55: ... sizes R32 common R410A R22 Port sizes 1 2 UNF20 7 16 UNF20 5 Charging hoses The pressure resistance of charge hoses is increased At the same time the material is changed to HFC resistant and the size of each manifold adopter is changed as the port size of manifold gauge itself Further some hoses are with anti gas pressure backflow valves placed near the adopters hoses with the valves recommended ...

Страница 56: ...ame time the digital scale for refrigerant charging is strengthened by receiving the weight of the refrigerant cylinders with four pillars at the corners The connection ports of charging hoses have two separate ports for R22 7 16 UNF20 and R32 R410A 1 2 UNF20 therefore they can be used for the insertion of the existing refrigerants Digital scale for refrigerant charging 9 Refrigerant cylinders Ref...

Страница 57: ...or each HCF type can be used Knowledge for the common usage of tools for R410A R32 R410A and R32 machines use different compressor oils If unregulated compressor oil gets mixed into it may cause damage to the machine function Careful pump down will ensure the recovery of compressor oil and it will minimize the remaining amount of the oil in the manifold gauge and charging hose If you only perform ...

Страница 58: ...vention of impurity Leakage checking Insertion of refrigerant Dismantling indoor outdoor units Repairing by brazing Evacuation Air purging new installation and relocation for at or more than 15 minutes re charging at or more than 60 minutes Indoor outdoor units and piping Displacing pipes and wires and displacing indoor outdoor units Indoor outdoor units installation and piping and wiring Removal ...

Страница 59: ... of moisture and dirt do not get into the pipes and make sure of no refrigerant leakage The procedure of flaring and precautions a Cutting of pipes use pipe cutter and cut the pipe slowly not to de shape the pipe b Removal of burrs on the edge of pipe reamer or scraper If the condition of pipe edge after the deburring is no good or if burrs attaches on the flaring it may cause refrigerant leakage ...

Страница 60: ...nd leave it for 1 2 minutes Then remove the connection side of the charging hose of vacuum pump adopter after checking the needle of manifold gauge does not turn back 4 Open the stem of 2 way valve to 90 in anti clock wise and close the 2 way valve after 10 seconds and perform gas leakage test 5 Remove the charge hose from the service port of 3 way valve and open the stems of 2 way and 3 way valve...

Страница 61: ...ly loosen the charging hose in discharging side of recovery device and perform air purge the recovery cylinder needs slight inside pressure 7 Insert electric plug of recovery device into electrical outlet the fan operation starts 8 Turn the valve 1 and 2 of recovery device to pressure equalization point 9 After a few seconds turn back the valve 1 and 2 to the original position 10 Turn the switch o...

Страница 62: ...tach and tighten the caps of two way and three way valves with torque wrench 6 Remove the connecting pipes liquid side and gas side b Removal of indoor and outdoor units 1 Remove the connecting pipes and wires between the indoor and outdoor units 2 Attach capping flare nuts on the edges of the pipes connecting the indoor and outdoor units in order to prevent dust and moisture get into the pipes 3 ...

Страница 63: ...ures below 6 Remove the charging hose red of the manifold gauge from the vacuum pump adopter 7 After adjusting the digital scale to zero open the cylinder valve and the valve Lo of the manifold gauge and insert the refrigerant 8 If it is not possible to insert the refrigerant at regulated amount at once operate the cooling mode and gradually insert the refrigerant recommended amount approx 150 g 1...

Страница 64: ...side check and make sure no refrigerant is contained in the air be careful with vaporized refrigerant Furthermore protect the compressor terminal with metal plates and heat but use wet clothes to cool down releasing the heat the expansion valves and four way valves prevent destruction of parts In brazing it is important to pour the brazing material without melting the base metal based on capillary...

Страница 65: ...tly open the oxygen valve of the torch and make sure the gas comes out from the torch crater and then close the oxygen valve Check there is no gas leakage around the hose connection 13 7 4 Adjustment of flame 1 Slightly open the propane valve of the torch and lit with spark lighter This moment the flame is only by propane and the color is red 2 Gradually open the oxygen valve of the torch to mix o...

Страница 66: ...mall this has the highest flame heat However due to the excessive oxygen contained in the flame the brazing point gets oxidized This flame may cause holes due to the high heat The pipe may get melt 13 7 6 Closing the flame In case of short break 1 Close the propane valve of the torch 2 Close the oxygen valve of the torch In case of finishing work 1 As above close the flame following the procedure ...

Страница 67: ...resistance in stainless steel based brazing suitable for brazing tungsten carbide aluminum bronze and copper BCuP BCuP 2 remain 6 8 7 5 approx 710 approx 785 690 815 21 24 5 Cu Good liquidity suitable for brazing copper tube BCuP 3 4 8 5 2 remain 5 8 6 7 approx 645 approx 815 720 815 21 24 5 Cu Suitable for brazing when the joint spacing is not constant BCuP 5 14 5 15 5 remain 4 8 5 3 approx 645 a...

Страница 68: ...n Further by bending the brazing portion of dryer side of the capillary tube at 15 mm from the tube top to the angle of about 120 you can prevent the damage of dryer inside and the clogging of brazing material caused by the excessive insertion of capillary tube 13 7 11 Brazing and heating 1 Place the flame to a pipe which has more heat capacity in order to let the brazing material melt by the pipe...

Страница 69: ... capillary tube and dryer etc caution has to be taken to apply the flame to the dryer side thick pipe side in order to prevent burn out by the heat 4 When brazing the compressor connection pipes suction and discharge remove the sound insulation plate and the fan and place the compressor stand vertically to prevent the leakage of compressor refrigerating machine oil and apply the flame from the com...

Страница 70: ...an obstructing heat suction 3 Is the setting temperature on the remote controller correct is the setting temperature set at lower higher than the room temperature 13 8 2 Understanding and verification of refrigerant cycle Heat exchanger Heat exchanger Compressor COMP 4 way valve Condenser COND Expansion valve Liquid side 2 way valve Gas side 3 way valve High temp High pressure Air Mid temp High pr...

Страница 71: ...ure Excess insertion of refrigerant Clogged capillary expansion valve malfunction Heat releasing obstruction Clog by moisture Dirty condenser attachment of impurity Lack of refrigerant gas Compressor malfunction Operation electric current Excess insertion of refrigerant Lack of refrigerant gas Heat releasing obstruction Compressor malfunction Dirty condenser impurity Mixture of air Insufficient ev...

Страница 72: ...n 14 1 2 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 1 5 C continue for 3 minutes When compressor is OFF Thermostat OFF and AUTO FAN is set the fan will stop periodically Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 14 1 3 Soft Dry Operation 14 1 3 1 Thermostat contro...

Страница 73: ...OOL mode is decided o If 2 5 C indoor intake temperature remote control setting temperature 4 0 C maintain with previous mode o If indoor intake temperature remote control setting temperature 2 5 C HEAT mode is decided 14 2 Indoor Fan Motor Operation 14 2 1 Basic Rotation Speed rpm A Basic Rotation Speed rpm i Manual Fan Speed Cooling Dry Fan motor s number of rotation is determined according to r...

Страница 74: ...otor error is detected Operation stops and cannot on back 14 3 Outdoor Fan Motor Operation It starts when compressor starts operation and it stops 30 seconds after compressor stops operation During cooling operation and outdoor ambient temperature is below 8 C outdoor fan speed will be controlled according to outdoor piping temperature as following OD Pipe Temperature A 26 C B 33 C During above co...

Страница 75: ... as stated above and the positions of the vane are as Figure 2 below When the air conditioner is stopped using remote control the vane will shift to close position 14 4 2 Horizontal Airflow The horizontal airflow direction louver can be adjusted manually by hand 14 5 Quiet Operation Cooling Mode Cooling Area of Dry Mode Purpose o To provide quiet cooling operation compare to normal operation Contr...

Страница 76: ...al setting to quiet setting of respective fan speed Fan speed for quiet operation is reduced from setting fan speed o Fan Speed Auto Indoor FM RPM depends on pipe temp sensor of indoor heat exchanger 14 7 Powerful Mode Operation When the powerful mode is selected the internal setting temperature will shift lower up to 2 0 C for Cooling Soft Dry or higher up to 3 5 C for Heating than remote control...

Страница 77: ...peration mode judgment or ON timer sampling If Timer LED is blinking there is an abnormality operation occurs 14 11 HA Terminal HAJEM A Enable digital connection from indoor unit to external devices Control items 1 Start stop input 2 Start stop signal output Condition 1 1 2 Pulse input Unit ON OFF condition switching with a pulse signal 1 pulse signal shortage status 200 300msec 2 3 4 Static outpu...

Страница 78: ...ion resume after indoor intake temperature 35 C or 5 C continuously for 6 minutes Indoor fan control o During any operation mode combines with nanoe X operation fan speed follows respective operation mode However nanoe X system enabled when fan speed 390 rpm to ensure proper negative ion distribution nanoe X system disabled when fan speed 390 rpm o During nanoe X individual operation fan speed fol...

Страница 79: ...ed when disconnection counter 1 Abnormal code H67 will memorized in EEPROM Timer LED blinking and nanoe X LED Off o Other Than Above Disconnection abnormality will judged when disconnection counter 3 Abnormal code H67 will memorized in EEPROM and nanoe X LED OFF Timer LED not blinking Disconnection counters clear condition Disconnection counter will be cleared when operation stop Not nanoe X Check...

Страница 80: ...etting temperature Capability supply OFF point 15 3 Heating Operation 15 3 1 Thermostat control Capability supply to indoor unit is OFF Expansion valve closed when Intake Air Temperature Internal setting temperature 1 0 C During this condition the indoor fan is stopped if compressor is ON Capability resume supply to indoor unit after waiting for 3 minutes if the Intake Air Temperature Internal set...

Страница 81: ...then stop 15 6 Powerful Mode Operation When the powerful mode is selected the internal setting temperature will shift lower up to 4 0 C for Cooling Soft Dry or higher up to 6 0 C for heating than remote control setting temperature 15 7 Auto Restart Control When the power supply is cut off during the operation of air conditioner the compressor will re operate between three to four minutes 10 patter...

Страница 82: ...6 14 66 10 41 14 66 Cooling Soft Dry B C 4 71 5 52 9 96 Heating 5 25 7 69 10 41 4 The first 30 minutes of cooling operation A will be applied 16 1 3 IPM Power transistor Prevention Control Overheating Prevention Control 1 When the IPM temperature rises to 120 C compressor operation will stop immediately 2 Compressor operation restarts after 3 minutes the temperature decreases to 110 C 3 If this co...

Страница 83: ...eating operations Indoor piping temperature indoor suction is under 5 C Control contents o Compressor stops and restart after 3 minutes o If the conditions above happen 2 times within 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 16 1 6 Low Frequency Protection Control 1 When the compressor operate at frequency lower than 24 Hz continued for 20 minutes the operation fr...

Страница 84: ...tdoor high pressure rise protection 16 2 3 Freeze Prevention Control 1 When indoor heat exchanger temperature is lower than 0 C continuously for 6 minutes compressor will stop operating Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 5 C At the same time indoor fan speed will be higher than during its normal operation If indoor heat exchanger temperatu...

Страница 85: ... During freeze prevention control and timer preliminary operation this control is not applicable o Control content Depends on compressor conditions 1 Compressor OFF Compressor ON The indoor unit fan stops temporarily and then starts to blow at minimum airflow for 30 seconds 2 Compressor ON Compressor OFF The indoor unit fan stops for 90 seconds and then blows at minimum airflow for 20 seconds 16 3...

Страница 86: ...n heating operation if the outdoor temperature falls below 10 C when compressor starts the compressor frequency will be regulated up to 600 seconds 16 3 5 Cold Draught Prevention Control When indoor pipe temperature is low cold draught operation starts where indoor fan speed will be reduced 16 3 6 Deice Operation When outdoor pipe temperature and outdoor air temperature is low deice operation star...

Страница 87: ...e is in standby condition and press AC RESET button and then press any button at remote control to transmit and store the desired transmission code to the EEPROM There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal i...

Страница 88: ... temperature for COOL DRY mode o Press Timer Set button to confirm low limit selection o Press TEMP increment or decrement button to choose No 4 o Press Timer decrement or increment button to select desired temperature high limit of set temperature for COOL DRY mode o Press Timer Set button to confirm high limit selection o Press TEMP increment or decrement button to choose No 5 o Press Timer incr...

Страница 89: ...s 1 Operation ON 2 Under Real ON OFF time setting mode 3 To enter zone 1 area 4 To enter zone 2 area Press continuously for T 5 secs Special setting display area highlighted in color Function No Options If any Enter Zone1 range 1 49 Normal display mode Once T 5secs Enter Zone2 range 50 99 Enter Zone1 Normal display mode ...

Страница 90: ... set temperature High1 selection Low1 30 C 10 Auto restart disable enable selection 00 01 Zone 2 53 DOA check None No display 54 Odor cut control selection Enable 01 Disable 00 00 01 56 Fixed fan speed selection during heat mode compressor OFF Enable 01 Disable 00 00 01 57 nanoe X check None No display 58 Heat mode thermo shift adjustment 3 C 3 C 59 Others Cool Dry mode thermo shift adjustment 3 C...

Страница 91: ...cient compressor Insufficient refrigerant Excessive amount of refrigerant Dusty condenser preventing heat radiation Measuring the air temperature difference Measuring electric current during operation Less than 8 C at the cooling mode Less than 14 C at the heating mode Higher than specified Gas side pressure Clogged strainer or capillary tube Measuring gas side pressure Cooling Mode High Lower tha...

Страница 92: ...e Electric current during operation Low Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Carry out the measurement of pressure electric current and temperature fifteen minutes after an operation is started ...

Страница 93: ...lay Memorized Error Code Protective Operation 1 Turn power on 2 Press the CHECK button on the remote controller continuously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER or button on the remote controller The code H00 no abnormality will be displayed and signal will be ...

Страница 94: ...ality Port is ON for 10s during ion device off ion device PCB H27 Outdoor air temperature sensor abnormality Continuous for 5s Outdoor air temperature sensor open or short circuit Outdoor air temperature sensor lead wire and connector H28 Outdoor heat exchanger temperature sensor 1 abnormality Continuous for 5s Outdoor heat exchanger temperature sensor 1 open or short circuit Outdoor heat exchange...

Страница 95: ...d wire and connector F17 Indoor standby units freezing abnormality 3 times happen within 40 minutes Wrong wiring and connecting pipe expansion valve leakage indoor heat exchanger sensor open circuit Check indoor outdoor connection wire and pipe Indoor heat exchanger sensor lead wire and connector Expansion valve lead wire and connector F90 Power factor correction PFC circuit protection 4 times hap...

Страница 96: ...ly abnormal fluctuation Defect in communication circuitry of outdoor unit PCB Replace the PCB Measure the DC voltage at terminal 2 3 communication Is the measured DC voltage fluctuate between 10 70V Measure the AC voltage at terminal 1 2 of indoor unit Is the measured voltage 230 240V YES Measure the DC voltage at terminal 2 3 of indoor unit Is the measured DC voltage fluctuate between 10 70V For ...

Страница 97: ...are interconnected Malfunction Caused Wrong models interconnected Wrong indoor unit or outdoor unit PCBs mounted Indoor unit or outdoor unit PCBs defective Indoor outdoor unit signal transmission error due to wrong wiring Indoor outdoor unit signal transmission error due to breaking of wire 3 in the connection wires between the indoor and outdoor units Troubleshooting ...

Страница 98: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 99: ...n Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 100: ...ion Conditions An input current detected by Current Transformer CT is below threshold value when the compressor is operating at certain frequency value for 3 minutes Malfunction Caused Lack of gas Broken CT current transformer Broken Outdoor PCB Troubleshooting ...

Страница 101: ...etermine abnormal fan motor feedback of rotation 2550 rpm or 50 rpm Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the fan motor Operation stops due to breaking of fan motor lead wires Operation stops due to Hall IC malfunction Operation error due to faulty indoor unit PCB Troubleshooting ...

Страница 102: ... Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 103: ... Replace the outdoor unit PCB Defect in outdoor intake air temperature sensor Replace the outdoor intake air temperature sensor NO NO YES YES Check the connector connection Plug out connector from the indoor unit PCB Is the connector connection normal Measure the resistance of the indoor pipe temperature sensor Check the outdoor air temperature sensor Is the measured resistance of the outdoor inta...

Страница 104: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 105: ...nction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 106: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 107: ...unction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 108: ...Malfunction Decision Conditions The supply power is detected for its requirement by the indoor outdoor transmission Malfunction Caused Wrong models interconnected Wrong indoor unit and outdoor unit PCBs used Indoor unit or outdoor unit PCB defective Troubleshooting ...

Страница 109: ...nction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 110: ... Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 111: ...nction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 112: ... it rotate Is the resistance normal Use an inverter check to check on the power transistor on board Connect it to PCB s CN MRT2 port Turn power ON and run the unit Do all 6 LED light turn ON and turn OFF periodically Does the voltage at each terminal becomes 5 and 0Vdc repeatedly U NO YES V W NO YES NO YES NO YES When abnormality indication starts again Turn off power supply and rotate fan by hand...

Страница 113: ...gh pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation Phenomena unit is stopping and re starting very often in heating mode Malfunction Caused Indoor heat exchanger thermistor Clogged air filter or heat exchanger Over bent pipe liquid side Troubleshooting ...

Страница 114: ...l takes place when indoor pipe temperature is lower than 2 C Malfunction Caused Air short circuit at indoor unit Clogged indoor unit air filter Dust accumulation on the indoor unit heat exchanger 2 3 way valve closed Faulty indoor unit fan motor Refrigerant shortage refrigerant leakage Clogged expansion valve or strainer Faulty indoor pipe temperature sensor Faulty indoor unit PCB Troubleshooting ...

Страница 115: ... is cold during heating except deice or when indoor heat exchanger is hot during cooling and compressor operating the 4 way valve is detected as malfunction Malfunction Caused Indoor heat exchanger pipe thermistor 4 way valve malfunction Troubleshooting Check gas side pipe for hot gas flow in cooling mode ...

Страница 116: ...erature and indoor pipe temperature is above 10 C or indoor pipe temperature is below 1 0 C Remark When the indoor standby unit is freezing the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit s Malfunction Caused Wrong wiring connection Faulty sensor Faulty expansion valve Troubleshooting ...

Страница 117: ...startup and operation of cooling and heating when Power Factor Correction PFC protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors When DC voltage detected is LOW transistor switching will turn ON by controller to push up the DC level When DC voltage detected is HIGH 391Vdc 425Vdc active LOW signal will send by the controller to turn OFF relay RY...

Страница 118: ...frigeration Cycle Abnormality Malfunction Decision Conditions The input current is low while the compressor is running at higher than the setting frequency Malfunction Caused Lack of gas 3 way valve close Troubleshooting ...

Страница 119: ...tion Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused Compressor terminal disconnect Faulty Outdoor PCB Faulty compressor Troubleshooting ...

Страница 120: ...y the outdoor unit heat exchanger thermistor Malfunction Caused Outdoor heat exchanger temperature rise due to short circuit of hot discharge air flow Outdoor heat exchanger temperature rise due to defective of outdoor fan motor Outdoor heat exchange temperature rise due to defective outdoor heat exchanger thermistor Outdoor heat exchanger temperature rise due to defective of outdoor unit PCB Trou...

Страница 121: ...ted o Heat Sink Overheating During operation of cooling and heating when heat sink temperature data 90 C is detected by the heat sink temperature sensor Malfunction Caused IPM overheats due to short circuit of hot discharge air flow IPM overheats due to defective of outdoor fan motor IPM overheats due to defective of internal circuitry of IPM IPM overheats due to defective IPM temperature sensor M...

Страница 122: ...ling and heating when compressor tank temperature data 112 C is detected by the compressor tank temperature sensor Malfunction Caused Faulty compressor tank temperature sensor 2 3 way valve closed Refrigerant shortage refrigerant leakage Faulty outdoor unit PCB Faulty compressor Troubleshooting ...

Страница 123: ...ion of cooling and heating when an input over current X value in Total Running Current Control is detected by checking the input current value being detected by current transformer CT with the compressor running Malfunction Caused Excessive refrigerant Faulty outdoor unit PCB Troubleshooting ...

Страница 124: ...heating when inverter DC peak data is received by the outdoor internal DC Peak sensing circuitry Malfunction Caused DC current peak due to compressor failure DC current peak due to defective power transistor s DC current peak due to defective outdoor unit PCB DC current peak due to short circuit Troubleshooting ...

Страница 125: ...he capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 19 1 Remove the Front Panel 1 Push in the tab on the both side of the Front Panel Front Panel 2 Release the string 3 Slide up to take out the Front Panel ...

Страница 126: ...ille 2 Take out the Front Vane Slide the hook to left side 1 Release the hook in the right side of the Top Vane and then take out the Top Vane Top Vane Front Vane 3 Release the 2 screws to take out of the Front Grille Front Grille ...

Страница 127: ...Remove the Control Board cover 5 Release the screw to remove the nanoe X Generator complete 4 Release the Terminal and connectors as below from the main PCB 6 Release the 2 screws to take out of the Discharge Grille Discharge Grille Main PCB nanoe X Generator Complete 1 CN TH 2 CN STM2 3 CN STM1 4 CN NANO 5 AC303 6 CN FM Caution Do not pull out these connectors lead wire CN DISP CN RCV due to it f...

Страница 128: ...inal 3 Detach the 2 terminal black red color 4 Release the screw of the Terminal Board 5 Release the screw at bottom of the Control Board and then slide out hold Control Board 6 Remove the Control Board plate 7 Detach the Main PCB from the 4 hooks Main PCB ...

Страница 129: ...129 19 5 Remove the Drain Pan 19 6 Remove the Cross Flow Fan and Fan Motor 1 Release the 2 screws to remove the Drain Pan Drain Pan 1 Release the 3 screws from the particular piece Evaporator Evaporator ...

Страница 130: ...130 2 Remove the screw that holding Cross Flow Fan Motor axis 3 Release the 4 screws of the Fan Motor Fan Motor can be removed after the removal of the Cross Flow Fan Cross Flow Fan ...

Страница 131: ... by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 Top Panel Screws Screw Screws Screws Screws Screw Front Panel Hooks Top Cover Hooks Terminal Board Cover Screw Control Board Control Board Release 3 Terminal Connectors L N and Earth Wire Screw Then Remove 4 Terminal Connectors of DRM Remove 2 Screws of Plate Terminal Board Remove of Screw Control Board Release 2 Earth Wire ...

Страница 132: ... electrostatic discharge 1 Remove the 5 screws of the Top Panel Fig 1 2 Remove the 8 screws of the Front Panel Fig 2 3 Remove the screw of the Terminal Board Cover 4 Remove the Top Cover of the Control Board by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 ...

Страница 133: ...Controller by 4 hooks Fig 3 5 Remove 2 screws for the plate of Terminal Board Cover Fig 4 6 Remove the Control Board Fig 5 7 Remove the 4 screws of the Electronic Controller Fig 6 Screw Top Panel Screws Screws Screws Screw Screws Front Panel Hooks Screw Terminal Board Cover Hooks Top Cover Screws Plate of Terminal Board Cover Control Board Release screw of Control Board Release 3 terminal connecto...

Страница 134: ... 380 19 27 3028 2427 244 2905 2378 307 3033 2435 297 2981 2404 300 3081 2446 288 2937 2381 335 2793 2312 382 22 30 3215 2333 247 3085 2286 310 3221 2341 300 3166 2312 303 3272 2352 291 3119 2290 338 2967 2229 386 24 32 3335 2269 248 3200 2223 311 3341 2277 302 3284 2248 304 3394 2287 293 3235 2227 340 3083 2164 387 Indoor C Outdoor DB C EWB EDB 30 32 35 40 46 TC SHC IP TC SHC IP TC SHC IP TC SHC I...

Страница 135: ...61 2550 1039 Dry bulb value based on 46 humidity 20 1 3 CS Z50UFRAW CU Z50UBRA Indoor C Outdoor DB C EWB EDB 10 7 0 5 16 20 25 TC SHC IP TC SHC IP TC SHC IP TC SHC IP TC SHC IP TC SHC IP TC SHC IP 14 20 5284 3573 812 5284 3573 812 5284 3573 812 5284 3573 812 5461 3635 781 5206 3539 907 5000 3412 1031 16 22 5598 3516 816 5598 3516 816 5598 3516 816 5598 3516 816 5786 3577 785 5515 3482 912 5231 335...

Страница 136: ...237 917 3102 742 3007 597 3219 578 20 3488 907 3400 740 3555 717 4117 695 16 3572 883 3565 743 3835 740 4094 717 12 3739 866 3796 744 4249 812 4532 786 20 2 2 CS Z35UFRAW CU Z35UBRA Indoor C Outdoor WB C DB 15 7 2 0 2 TC IP TC IP TC IP TC IP TC IP 24 2554 1166 3180 1366 3711 1470 3925 1512 4140 1555 20 2710 1158 3370 1384 3914 1460 4132 1491 4350 1521 16 2945 1125 3223 1310 3810 1365 4051 1387 429...

Страница 137: ...89 5668 2181 16 3888 1105 4589 1246 5141 1680 5366 1851 5595 2019 12 4147 1085 4619 1219 5208 1616 5450 1767 5695 1914 Indoor C Outdoor WB C DB 5 7 12 24 TC IP TC IP TC IP TC IP 24 5222 1773 5109 1474 4953 1185 5342 1137 20 5627 1755 5600 1470 5856 1425 6316 1366 16 5762 1707 5872 1476 6317 1470 6813 1409 12 6032 1674 6253 1477 6999 1612 7549 1546 TC Total Heating Capacity W IP Input Power W ...

Страница 138: ...2 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 Outdoor Air Temperature C 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 18 0 3 00 1 600 1 400 1 200 1 000 0 800 0 600 0 400 0 200 0 000 3 50 3 00 2 50 2 00 1 50 1 00 0 50 0 00 232 060 203 053 174 045 145 038 116 030 87 023 58 015 29 008 0 000 2 50 2 00 1 50 1 00 0 50 0 00 16 0 14 0 12 0 10 0 8 0 6 0 4 0 2 0 0 0 Indoor Discha...

Страница 139: ...0 5 00 3 00 2 50 2 00 1 50 1 00 0 50 0 00 174 045 145 038 116 030 87 023 58 015 29 005 0 000 4 50 4 00 3 50 3 00 2 50 2 00 1 50 1 00 0 50 0 00 16 0 14 0 12 0 10 0 8 0 6 0 4 0 2 0 0 0 Indoor Discharge Air Temperature C Low Pressure MPa Current A Capacity kW Outdoor Air Temperature C 5 16 25 35 10 02 11 22 12 75 13 29 46 14 49 Indoor Discharge Air Temperature C Outdoor Air Temperature C 5 16 25 35 0...

Страница 140: ...0 400 0 200 0 000 4 00 5 00 6 00 7 00 3 00 2 00 1 00 0 00 174 045 145 038 116 030 87 023 58 015 29 008 0 000 4 00 3 00 2 00 1 00 0 00 14 0 12 0 10 0 8 0 6 0 4 0 2 0 0 0 Indoor Discharge Air Temperature C Low Pressure MPa Current A Capacity kW Outdoor Air Temperature C 5 16 25 35 8 80 9 88 11 24 11 75 46 12 83 Indoor Discharge Air Temperature C Outdoor Air Temperature C 5 16 25 35 0 776 112 549 0 7...

Страница 141: ...17 19 21 23 25 Outdoor Air Temperature C 5 00 2 50 3 00 3 50 4 00 4 50 3 000 2 500 2 000 1 500 1 000 0 500 0 000 4 00 4 50 3 00 3 50 2 00 2 50 1 00 1 50 0 00 0 50 435 113 507 632 362 594 290 075 217 557 145 038 72 519 0 000 2 00 1 50 1 00 0 50 0 00 35 0 40 0 45 0 30 0 25 0 20 0 15 0 10 0 5 0 0 0 Indoor Discharge Air Temperature C High Pressure MPa Current A Capacity kW Outdoor Air Temperature C 15...

Страница 142: ...435 113 507 632 580 151 362 594 290 075 217 557 145 038 72 519 0 000 4 00 5 00 6 00 3 00 2 00 1 00 0 00 2 00 1 00 0 00 40 0 50 0 60 0 30 0 20 0 10 0 0 0 Indoor Discharge Air Temperature C High Pressure MPa Current A Capacity kW Outdoor Air Temperature C 15 7 2 7 27 77 30 59 38 11 41 02 24 50 89 Indoor Discharge Air Temperature C Outdoor Air Temperature C 15 7 2 7 1 808 262 228 2 029 294 282 2 324 ...

Страница 143: ...35 113 507 632 580 151 652 670 362 594 290 075 217 557 145 038 72 519 0 000 4 00 5 00 6 00 7 00 8 00 3 00 2 00 1 00 0 00 2 00 1 00 0 00 40 0 50 0 60 0 30 0 20 0 10 0 0 0 Indoor Discharge Air Temperature C High Pressure MPa Current A Capacity kW Outdoor Air Temperature C 15 7 2 7 28 64 31 55 39 31 42 31 24 51 80 Indoor Discharge Air Temperature C Outdoor Air Temperature C 15 7 2 7 1 924 279 053 2 1...

Страница 144: ...25UBRA Cooling Capacity Correction Factor Cooling Capacity Correction Factor Heating Capacity Correction Factor Pipe Length m Pipe Length m 3 1 0096 5 1 0000 10 0 9781 20 0 9628 0 90 1 00 1 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 0 80 0 90 1 00 1 10 3 1 0042 5 1 0000 10 0 9896 20 0 9688 ...

Страница 145: ...ection Factor Heating Capacity Correction Factor Pipe Length m Pipe Length m 3 1 0080 5 1 0000 10 0 9850 20 0 9656 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 3 1 0118 5 1 0000 10 0 9800 20 0 9392 0 90 1 00 1 10 0 80 0 90 1 00 1 10 ...

Страница 146: ... Cooling Capacity Correction Factor Cooling Capacity Correction Factor Heating Capacity Correction Factor Pipe Length m Pipe Length m 3 1 0134 5 1 0000 20 0 9677 30 0 9576 3 1 0075 5 1 0000 20 0 9286 30 0 8905 0 90 1 00 1 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 0 80 ...

Страница 147: ... for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts CWH55025J x 11 x 2 CWH55051AJ I I O I 18 27 28 22 21 20 23 1 46 6 7 4 3 5 13 14 12 31 49 50 47 10 15 11 33 41 32 34 29 30 35 39 37 40 38 17 36 8 9 42 45 48 44 43 2 16 24 19 25 25 26 ...

Страница 148: ...XA98 01980 O 22 AIR SWING MOTOR TOP 1 ACXA98 01990 ACXA98 01990 ACXA98 01990 O 23 SHAFT 2 ACXH63 01340 ACXH63 01340 ACXH63 01340 24 VERTICAL VANE 8 ACXE24 02100 ACXE24 02100 ACXE24 02100 25 VERTICAL VANE 2 ACXE24 02110 ACXE24 02110 ACXE24 02110 26 CONNECTING BAR 2 ACXE26 01530 ACXE26 01530 ACXE26 01530 27 HORIZONTAL VANE 1 ACXE24 02070 ACXE24 02070 ACXE24 02070 28 PARTICULAR PIECE 1 ACXD93 16690 A...

Страница 149: ...8 SHOCK ABSORBER 1 ACXG70 09890 ACXG70 09890 ACXG70 09890 49 SHOCK ABSORBER 1 ACXG70 09900 ACXG70 09900 ACXG70 09900 50 C C CASE 1 ACXG50 46880 ACXG50 46890 ACXG50 46900 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Страница 150: ... is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts 43 17 18 4 2 3 25 37 36 14 20 23 29 34 32 31 40 38 11 22 8 6 5 10 9 24 39 7 1 46 33 42 19 15 28 35 26 27 41 44 16 30 45 12 13 21 I I 47 50 52 51 48 49 ...

Страница 151: ...SOUND PROOF BOARD 1 CWH151428 23 REACTOR 1 G0C392J00028 O 24 SOUND PROOF MATERIAL 1 CWG302314 25 SOUND PROOF MATERIAL 1 CWG302948 26 SOUND PROOF MATERIAL 1 CWG302316 27 SOUND PROOF MATERIAL 1 CWG302994 28 SENSOR CO COMP TEMP 1 CWA50C2632 O 29 ELECTRONIC CONTROLLER MAIN 1 ACXA73C44380R O 30 ELECTRONIC CONT DEMAND CONTROL 1 CWA747962 O 31 CONTROL BOARD TOP COVER 1 ACXH13 00450 32 TERMINAL BOARD ASS ...

Страница 152: ...48 BAG 1 CWG861078 49 BASE BOARD COMPLETE 1 CWG62C1223 50 SHOCK ABSORBER R 1 CWG713778 51 SHOCK ABSORBER L 1 CWG713779 52 C C CASE 1 CWG581591 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Страница 153: ... the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts 40 41 29 33 42 34 43 14 23 20 37 36 3 39 4 2 17 1 19 18 7 24 25 22 26 5 10 9 6 38 11 28 35 21 13 12 8 31 46 I I 47 44 45 16 50 51 52 48 49 15 30 32 ...

Страница 154: ... SOUND PROOF BOARD 1 ACXH15 01590 23 REACTOR 1 G0C392J00028 O 24 SOUND PROOF MATERIAL 1 CWG302701 25 SOUND PROOF MATERIAL 1 ACXG30 08490 26 SOUND PROOF MATERIAL 1 CWG302719 28 SENSOR CO COMP TEMP 1 CWA50C2894 O 29 ELECTRONIC CONTROLLER MAIN 1 ACXA73C44390R O 30 ELECTRONIC CONT DEMAND CONTROL 1 ACXA73 00070 O 31 CONTROL BOARD TOP COVER 1 CWH131473 32 TERMINAL BOARD ASS Y 1 CWA28K1281 O 33 TERMINAL ...

Страница 155: ...RA REMARK 49 BASE BOARD COMPLETE 1 CWG62C1144 50 SHOCK ABSORBER R 1 CWG713415 51 SHOCK ABSORBER L 1 CWG713416 52 C C CASE 1 CWG566848 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Страница 156: ...urpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts 42 13 39 5 3 38 37 11 41 9 25 10 40 8 1 22 6 4 34 2 27 47 26 24 23 31 36 7 28 29 x 2 x 2 19 18 16 12 14 20 21 17 I I 48 45 52 51 53 49 50 30 46 44 43 35 33 32 ...

Страница 157: ...0200 23 REACTOR 1 G0C392J00027 O 24 SOUND PROOF MATERIAL 1 CWG302950 25 SOUND PROOF MATERIAL 1 CWG302630 26 SOUND PROOF MATERIAL 1 CWG302632 27 SOUND PROOF MATERIAL 1 CWG302636 28 SENSOR CO COMP TEMP 1 CWA50C2185 29 ELECTRONIC CONTROLLER MAIN 1 ACXA73C44400R O 30 ELECTRONIC CONT DEMAND CONTROL 1 CWA747962 O 31 CONTROL BOARD TOP COVER 1 ACXH13 00490 O 32 TERMINAL BOARD ASS Y 1 CWA28K1281 O 33 TERMI...

Страница 158: ...1 50 BASE BOARD COMPLETE 1 ACXG62C00940 51 SHOCK ABSORBER L 1 CWG713217 52 SHOCK ABSORBER R 1 CWG713218 53 C C CASE 1 ACXG50 31580 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock Printed in Malaysia FY0319 1 ...

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Содержание CS-Z25UFRAW

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