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Hitachi RAM-71QH5, Руководство по обслуживанию

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Hitachi RAM-71QH5 Скачать руководство пользователя страница 22

– 21 –

COMPRESSOR MOTOR

Compressor Motor Specifications

V/R (YELLOW)

W/S (RED)

U/C (WHITE)

MODEL

COMPRESSOR MODEL

PHASE

SINGLE

RATED VOLTAGE

AC 220 ~ 240 V

RATED FREQUENCY

50 Hz

POLE NUMBER

4

CONNECTION

20

°

C

(68

°

F)

75

°

C

(167

°

F)

( )

RESISTANCE VALUE

2M = 1.05

2M = 1.268

RAM-71QH5

JU1015D2

U

V

W

WHITE

M

M

M

YELLOW

RED

Содержание RAM-71QH5

Страница 1: ...AM 49 MAIN PARTS COMPONENT 55 WIRING DIAGRAM 61 CIRCUIT DIAGRAM 67 BLOCK DIAGRAM 81 BASIC MODE 85 REFRIGERATING CYCLE DIAGRAM 109 DESCRIPTION OF MAIN CIRCUIT OPERATION 113 TROUBLE SHOOTING 136 SERVICE CALL Q A 185 DISASSEMBLY AND REASSEMBLY 201 PARTS LIST AND DIAGRAM 210 After installation W A COOLING CAPACITY DC INVERTER DUAL SYSTEM MULTI TYPE MODEL POWER SOURCE TOTAL INPUT TOTAL AMPERES SPECIFIC...

Страница 2: ...e accurately calibrated in advance 7 In installing the unit having been repaired be careful to prevent the occurence of any accident such as electrical shock leak of current or bodily injury due to the drop of any part 8 To check the insulation of the unit measure the insulation resistance between the power cord plug and grounding terminal of the unit The insulation resistance should be 1M or more...

Страница 3: ...of parts Even rejected goods should be handled in the same way Fig 1 Conductive Container 2 When any part is handled uncovered in counting packing and the like the handling person must always use himself as a body earth Make yourself a body earth by passing one M ohm earth resistance through a ring or bracelet 3 Be careful not to touch the parts with your clothing when you hold a part even if a bo...

Страница 4: ... the screwed part using a rag plate Soldering iron Grounding wire Fig 4 Grounding a soldering iron Use a high insulation mode 100V 10M or higher when ordinary iron is to be used 7 In checking circuits for maintenance inspection or some others be careful not to have the test probes of the measuring instrument shortcircuit a load circuit or the like Metal plate of aluminium stainless steel etc Stapl...

Страница 5: ...sion that the cooling and heating operation does not start for 3 minutes it is not abnormal and this is the result of the operation of IC delay circuit This IC delay circuit ensures that there is no danger of blowing fuse or damaging parts even if operation is restarted accidentally 5 This room air conditioner should not be used at the cooling operation when the outside temperature is below 10 C 1...

Страница 6: ...Y SWITCH SERVICE SWITCH TRANSFORMER VARISTOR NOISE SUPPRESSOR THERMOSTAT REMOTE CONTROL SWITCH LIQUID CRYSTAL 80 W NO NO NO YES YES 5 0A G4A NO NO YES NO 450NR YES YES IC NO 2300g WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE UNIT PIPES REFRIGERANT CHARGING VOLUME Refrigerant 410A RAM 71QH5 JU1015D2 MAX 60m In case the pipe length is more than 30m add refrigerant R410 at 20gram per every mete...

Страница 7: ...ACTOR MAXIMUM LENGTH OF PIPING STANDARD RAM 71QH5 1ø 220 240V 50Hz 30 7 10 2 40 8 80 24 240 8 190 30 030 2 140 460 3 200 11 33 9 8 9 0 99 8 50 2 80 9 50 29 000 9 560 32 420 2 110 480 3 120 13 74 9 70 8 90 99 MAX 60m FOUR UNIT TOTAL CE EMC LVD RAM 71QH5 MODEL W PACKING mm H D cu ft 1 008 848 394 11 89 60 GROSS WEIGHT kg 6 35DX4 9 52DX3 12 70X1 FLARENUTSIZE SMALL LARGE INDOOR SUCTION TEMPERATURE C C...

Страница 8: ... 7 4 ROOM MULTI SPLIT INVERTER TYPE RAC RAM 71QH5 POSSIBLE COMBINATION TO OPERATE SAME TIME OPERATION ...

Страница 9: ... 8 ...

Страница 10: ...BE ABLE TO INSTALL Two three or four indoor units can be installed with one outdoor unit And total nominal cooling capacity should not be more than 11 0kW Be sure to connect two or three indoor units to this outdoor unit If not condensed water may drop resulting in trouble ...

Страница 11: ...11 16 11 16 10 14 10 14 13 20 8 12 8 12 16 24 7 11 7 11 18 27 9 13 12 18 12 18 7 11 10 16 15 22 11 16 11 16 11 16 8 12 8 12 8 12 8 12 7 11 7 11 7 11 10 16 7 10 7 10 7 10 13 19 6 9 6 9 6 9 15 23 7 10 7 10 9 14 9 14 6 9 6 9 8 12 12 18 5 8 5 8 11 16 11 16 6 10 9 13 9 13 9 13 6 9 8 12 8 12 11 16 8 12 8 12 8 12 8 12 7 11 7 11 7 11 10 16 1 8 2 5 3 5 2 5 3 5 3 5 1 8 1 8 1 8 1 8 1 8 2 5 2 5 2 5 2 5 3 5 3 ...

Страница 12: ... 11 ...

Страница 13: ... 12 ...

Страница 14: ... 13 ...

Страница 15: ... 14 ...

Страница 16: ...maximum pipe length 2 Pipe length for one indoor unit maximum 25m To the outdoor unit up to four indoor units can be connected until the total value of capacity to 11 0kW Make sure to connect to two or more indoor units L2 L1 L3 Indoor unit 3 L4 Indoor unit 4 Indoor unit 2 Indoor unit 1 Outdoor unit Height Height ...

Страница 17: ...W or 5 0kW One unit of 1 8kW 2 5kW 3 5kW or 5 0kW 5kW unit Optional flare adaptor for piping is necessary One unit of 1 8kW 2 5kW 3 5kW 5 0kW or 6 0kW 5kW 6kW unit Optional flare adaptor for piping is necessary One unit of 1 8kW 2 5kW 3 5kW 5 0kW or 6 0kW 2 5kW 3 5kW unit Optional flare adaptor for piping is necessary Face this side suction side of the unit to the wall Remove side cover when conne...

Страница 18: ... 17 ...

Страница 19: ... 18 RAM 71QH5 Grounding rod optional Earth wire and grounding rod are not supplied Please use optional items below Earth line Arrange power cord so they do not touch service valve CAUTION ...

Страница 20: ...EL RAM 71QH5 Handle Air suction grille 168 74 26 850 957 81 800 788 10 10 10 320 340 Air outlet 340 20 22 298 211 Handle Fixing hole 507 198 57 12 37 More than More than More than 100 More than 700 100 100 Service space 52 52 107 5 52 52 52 52 52 ...

Страница 21: ...ION MODEL POWER SOURCE OUTPUT BLU BLUE YEL YELLOW BRN BROWN WHT WHITE GRY GRAY ORN ORANGE GRN GREEN RED RED BLK BLACK PNK PINK VIO VIOLET DC 350V 80W RESISTANCE VALUE 20 C 68 F 75 C 167 F M M WHT BLK RED YEL BLU Control circuit built in 350V 15V 0V 0 6V 0 15V RAM 71QH5 ...

Страница 22: ...ations V R YELLOW W S RED U C WHITE MODEL COMPRESSOR MODEL PHASE SINGLE RATED VOLTAGE AC 220 240 V RATED FREQUENCY 50 Hz POLE NUMBER 4 CONNECTION 20 C 68 F 75 C 167 F RESISTANCE VALUE 2M 1 05 2M 1 268 RAM 71QH5 JU1015D2 U V W WHITE M M M YELLOW RED ...

Страница 23: ...MODEL RAM 71QH5 WIRING DIAGRAM 23 GRY WHT RED YEL BLK ORN GRY WHT RED YEL BLK ORN GRY WHT RED YEL BLK ORN GRY WHT RED YEL BLK ORN ...

Страница 24: ...CIRCUIT DIAGRAM MODEL RAM 71QH5 25 ...

Страница 25: ...ng power supply 2 Reset circuit Indoor Outdoor Interface 4 Clock circuit Multiplexer Expansion valve thermistor 3 Expansion valve thermistor 1 Expansion valve thermistor 2 Expansion valve thermistor 4 Expansion valve 1 Expansion valve 2 Expansion valve 3 Expansion valve drive circuit Expansion valve 4 Reversing valve drive circuit Reversing valve EEPROM Fan motor drive circuit M compressor fan mot...

Страница 26: ... 29 ...

Страница 27: ... 31 ...

Страница 28: ... 33 Outdoortemperature STAROTP_C TSKTM1_C1 Outdoortemperature STAROTP_C TSKTM1_C2 ...

Страница 29: ... 35 ...

Страница 30: ... 37 ...

Страница 31: ... 39 ...

Страница 32: ... 41 ...

Страница 33: ...valve Unit 3 Unit 4 480 0 520 480 0 520 480 0 520 480 0 Initialization Power Power Power Power Power Start sequence Target speed Step up control SDSTEP min 1 TSKSPT sec TSKTM1_C SDRCT1_C PSTARTC3 TD control N compensation Diving control PSTARTC3 PSTARTC3 PSTARTC3 Steady speed period TD control N compensation Diving control TD control N compensation Diving control TD control N compensation Diving c...

Страница 34: ... 43 RAM 71QH5 ...

Страница 35: ...st T_4BEN_DEF 30 sec 15 sec Defrosting inhibit period Balancing period TDF414 Reverse cycle period max DFMXTM Balancing period TDF415 Start sequence TSKTM1_W SDRCT1_W T_DFCTPS PSTARTH2 PSTARTH2 DFCTPS DFCTPS PCLOSH PCLOSH DFPSMX DFPSMX DFCTPS Hold DFCTPS Hold Hold 0 Palse 0 Palse Hold DFSPPS Pulse TDFSPT sec DFSPPS Pulse TDFSPT sec Defrosting sequence TSKTM2 DEFMAX SDRCT2 DFSTEP min 1 TDFSPT sec 3...

Страница 36: ...t Balancing request Balancing request Balancing period 3 min Target speed 1 room operation 2 rooms operation Auto fresh inhibit period 15min Balancing period TDF414 Target speed Reversing cycle period max DFMXTM Defrosting sequence DEFMAX SDRCT2 DFCTPS TSKTM2 Hold 480 Unit 1 Unit 2 Expansion valve Unit 3 Unit 4 0 480 0 480 0 480 0 Hold Hold Hold 0 Pulse 0 Pulse 0 Pulse Hold Hold DFSPPS pulse TDFSP...

Страница 37: ...in 3000min 1 Always operation status of indoor units are monitored and forced cooling is inhibited when operation of any unit is detected MODEL RAM 71QH5 Power Service switch Request to Indoor Power relay Reversing valve Unit 1 Forced cooling request Forced cooling request Forced cooling request Forced cooling request Balancing request Balancing request Balancing request Balancing request Unit 2 U...

Страница 38: ...n Compressor rotation speed 0 Pulse 0 Pulse 0 Pulse 20 sec 20 sec 480 Unit 1 Unit 2 Expansion valve Unit 3 Unit 4 0 480 0 480 0 480 0 NDWN_ON NDWN_OFF 20 sec 20 sec 30 sec Decreases by 100 min 1 30 sec Increases by 50 min 1 30 sec 30 sec 30 sec 30 sec 30 sec 30 sec 30 sec When one unit is operated for cooling MODEL RAM 71QH5 ...

Страница 39: ... Unit 4 Turns on for heating Outdoor fan Compressor rotation speed 20 sec 20 sec 480 Unit 1 Unit 2 Expansion valve Unit 3 Unit 4 0 0 480 0 480 0 480 NDWN_ON NDWN_OFF 20 sec 20 sec 30 sec Decreases by 100 min 1 30 sec Increases by 50 min 1 30 sec 30 sec 30 sec 30 sec 30 sec 30 sec 30 sec ...

Страница 40: ...nsion valve Electric expansion valve Service valve Cooling Dehumidifying Defrosting Heating Refrigirant flow Service valve Service valve Service valve Indoor unit No 4 Indoor unit No 3 Indoor unit No 2 Indoor unit No 1 Indoor heat exchanger Wind Circulation Service valve Strainer Silencer Service valve Strainer Silencer Electric expansion valve Service valve Strainer Silencer Electric expansion va...

Страница 41: ...SORBER VARISTOR 3 VARISTOR 2 SWITCHING POWER SUPPLY 1 C71 POWER P W B 1 2 TERMINAL BOARD BLK WHT GRN1 GRN2 GRN3 TB11 TB11 TB11 0V 0V N SPM2 C002 C001 C025 C024 DESCRIPTION OF MAIN CIRCUIT OPERATION MODEL RAM 71QH5 1 Power Circuit Fig 1 1 These rectify the 220 240V AC from terminals L and N to a DC power supply This circuit full wave rectifies 220 240 AC applied between terminals L and N and boosts...

Страница 42: ... 51 ...

Страница 43: ...l output from microcomputer pin C V 9 0 is input to the transmitting circuit The transmitting circuit modulates this signal by approx 38kHz high frequency This high frequency signal is amplified by a transistor superimposed on the DC 35V line via C801 or C811 C821 C831 and L801 or L802 L803 L804 and supplied to the indoor unit ...

Страница 44: ... receive input SDI Micro computer 5V 5V 5V 12V 5V 5V Q201 5V 5V 5V HIC 5V R813 R812 C802 Q803 C804 R811 R810 SDO1 SDI1 73 68 0V L801 L811 C801 R802 Q801 5V R801 R803 D210A 0V 0V 0V 0V 0V 0V 0V C805 NF COIL C802 C216 R263 R262 R261 R260 D206 C214 Q206 R254 R255 R258 R257 R256 R259 C803 C804 Interface relay 35V Communications from indoor micro computer to outdoor micro computer Communications from o...

Страница 45: ...F receive input SDI Micro computer 5V 5V 5V 12V 5V 5V Q202 5V 5V 5V HIC 5V R813 R812 C802 Q803 C804 R811 R810 SDO2 SDI2 74 69 0V L802 L812 C811 R812 Q802 5V R811 R813 D210B 0V 0V 0V 0V 0V 0V 0V C815 NF COIL C812 C219 R273 R272 R271 R270 D207 C218 Q207 R264 R265 R268 R267 R266 R269 C813 C814 Interface relay 35V Communications from indoor micro computer to outdoor micro computer Communications from ...

Страница 46: ... receive input SDI Micro computer 5V 5V 5V 12V 5V 5V Q203 5V 5V 5V HIC 5V R813 R812 C802 Q803 C804 R811 R810 SDO3 SDI3 9 11 0V L803 L813 C821 R822 Q803 5V R821 R823 D210B 0V 0V 0V 0V 0V 0V 0V C825 NF COIL C822 C222 R283 R282 R281 R280 D208 C221 Q208 R274 R275 R278 R277 R276 R279 C823 C824 Interface relay 35V Communications from indoor micro computer to outdoor micro computer Communications from ou...

Страница 47: ...F receive input SDI Micro computer 5V 5V 5V 12V 5V 5V Q204 5V 5V 5V HIC 5V R813 R812 C802 Q803 C804 R811 R810 SDO4 SDI4 10 72 0V L804 L814 C831 R832 Q804 5V R831 R833 D210B 0V 0V 0V 0V 0V 0V 0V C835 NF COIL C832 C225 R293 R292 R291 R290 D209 C227 Q209 R284 R285 R288 R287 R278 R289 C833 C834 Interface relay 35V Communications from indoor micro computer to outdoor micro computer Communications from ...

Страница 48: ... V coil W coil DC compressor motor System Power Module FUSE 25A Terminal board N L R004 C006 Noise filter coil R002 R24 C501 C502 C503 Coil lnrush current protection relay Power relay 0 35mH ACT MODULE INVERTER Fig 3 1 System power module circuit U is ON V is ON ...

Страница 49: ... 5V 0V 5V 35V 35V 35V DC line Base of outdoor P W B Q801 Q802 Q803 Q804 Outdoor micro computer 74 9 Pin 73 Pin Pin 10 Pin SDI Pin 35V DC line 100ms Leader 33ms 1 frame 5 7 5ms Transmit receive switching time 33ms 1 frame Fig 2 2 Voltages Waveforms of indoor Outdoor Micro computers Outdoor to Indoor Communications Fig 2 3 Voltages Waveforms of indoor Outdoor Micro computers Indoor to Outdoor Commun...

Страница 50: ...stor Lower arm transistor Time T U V W T U transistor chopped U transistor ON ON Voltage point Upper arm transistor Current at Chopping period 320 360V A B Fig 3 2 Switching order of power module Fig 3 3 Voltage waveform at each point ...

Страница 51: ...y 3 is generating the DC12V for expansion valve and DC35V for indoor unit 3 and 4 Switching power supply performs voltage conversion effectively by switching transistor IC1 to convert DC330V to high frequency of approximately 20kHz to 200kHz Transistor IC1 operates as follows Fig 4 1 Power circuit for P W B 3A FUSE C790 C705 C776 C734 FB3 R771 R770 R772 C767 C766 D733 C768 D732 C771 R790 R720 C774...

Страница 52: ... 61 ...

Страница 53: ... 62 U U V W U V V W W _ System Power Module 320 360V R24 DC current Id detection resistor A U coil DC compressor motor V coil W coil B Fig 3 4 System Power module circuit U is OFF V is ON Fig 3 5 ...

Страница 54: ... 63 5 Reversing valve control circuit 3 1 16 1 V D841 OV IC9 Micro computer CN25 Reversing valve DC voltmeter or multimeter 35V 5V PQ841 R841 Q841 R832 R843 24 Fig 5 1 ...

Страница 55: ...outdoor unit 5V 12V C607 IC4 C606 R601 R603 R604 C604 C603 C602 C601 R605 R606 R607 R608 R611 R610 R609 R501 R505 R504 R503 R502 R602 0V 0V 0V 0V C605 0V 4 5 6 7 3 11 12 8 9 1 2 13 14 10 V W U DC brushless motor for compressor lnverter Fig 6 1 Rotor magnetic pole position detection circuit ...

Страница 56: ... configuration R24 R245 Detection resistor DC current SPM terminal 0V 0V 12V 0V 5V 5V D205 R222 R221 C283 R247 R338 R110 R108 C105 C103 CT1 C282 Is D104 R249 0V 0V 0V 0V 0V 0V IC4 0V 0V SPM terminal R248 C281 Reset IP cutter Id Outdoor Microcomputer 0V C224 5V Q209 Q205 C223 R293 R292 R294 ZD201 R295 R290 R291 Is 6 8 4 5 7 48 9 60 61 Fig 7 1 Peripheral circuit of microcomputer ...

Страница 57: ...tive terminal Primary CT 0V 0V Voltage amp circuit Judgement OVL with respect to externally set value Judgement OVL according to the rotation speed A D convarter OVL start current data Selects data according to the rotation speed and DC voltage RC filter circuit Internal judgement DC voltage DC current Rotation speed Motor control process A D convarter A D convarter micro computer Fig 8 1 Overload...

Страница 58: ... 67 9 Reset circuit 12V line 12V line 5V line 5V line Reset voltage Reset voltage 12 6 0 12 6 0 Voltage when power is turned OFF Voltage when power is turned ON Time Time Fig 9 1 Fig 9 2 ...

Страница 59: ...r model RAM 71QH5 and their roles and temperature measuring points are shown as Table 10 1 Fig 10 1 Temperature Detection Circuit R110 1 28K 5 B100 110 4400K 150K R0 5 8K 5 B0 25 3400 2 R35 1 433K 2 B0 70 3400K 2 R25 2 0K 5 B25 50 3500K 2 CN9 R316 R312 R313 R307 R308 R309 R310 R311 R315 C311 C310 C309 C308 C307 C306 C305 C304 0V 0V 0V JW11 JW12 JW13 JW14 R321 R322 R323 R324 JW7 JW8 JW9 JW10 R317 R...

Страница 60: ... 69 ...

Страница 61: ...er replacing the thermistor replace the control P W B because it malfunctions The OH thermistors are detecting the compressor head temperatures If the temperature rises over 118ß C the compressor in the cycle will be stopped to protect itself and LD301 will blink 6 times OH STOP When the compressor temperature fells under 105ß C the compressor will restart During OH STOP the fan continues to spin ...

Страница 62: ...d for 10 or 20 seconds During initialization measure all voltages at pins 4 to 1 of CN15 CN18 using mutimeter If there is any pin with voltage that has not changed from around 0 9V or 12V expansion valve or microcomputer is defective Fig 11 2 shows logic waveform when expansion valve is operating 11 Electric expansion valve Table 11 1 MICRO COMPUTER A B B A Pin Drive status Lear wire 1 ON OFF OFF ...

Страница 63: ...ctive voltage area Invalid power area Even if voltage is applied current does not flow Assuming the same current capacity 20A power can be used about 10 effective comparing with curent use power factor of 90 and maximum capacity is thereby improved Pin No 12V 0 9V 200ms 75ms 50ms 42 41 40 39 Fig 11 2 With expansion valve control opening degree is adjusted to stabilize target temperature by detecti...

Страница 64: ...e is connected the microcomputer power source is unconnected Inspection method 1 Abnormally stop is shown by the number of times the LED blinks Inspection method 2 Thermistor abnormally is shown by the number of times the LED blinks Inspection method 3 In the case that an internal unit is Communications error is shown by the number of times the LED blinks not connected the number of connected inte...

Страница 65: ...cting external electrical parts and check the cause of the problem Connect a commercial use 220 240V power source to the L N terminal Replace the broken part and the 25A fuse The control power source is broken Replace the control P W B Is varistor 2 broken There is the possibility that an irregular voltage has been flowing to the L N terminal Check to see that the power source is not abnormality R...

Страница 66: ...efore stopping There is the chance that the cycle load has become heavy and the compressor has come loose Check the compressor In this case the LED may blink twice before stopping Yes Yes Yes abnormally Takes several minutes to restart Restarts quickly every time Restarts quickly every time No abnormally The SPM2 may be broken Replace the SPM2 The SPM2 may be broken Replace the SPM2 Cable abnormal...

Страница 67: ...s fourteen times ACT error Yes No LD301 Blinks thirteen times E2 PROM error The protection circuit may cause the fan to stop when the wind is extremely strong in the place where the outdoor unit is installed or when the outdoor unit is covered Refil the coolant Check the compressor NO CHANGE still same Replace MAIN P W B NO CHANGE still same Check the compressor Replace POWER P W B Replace the ele...

Страница 68: ... check the voltage between the SPM P1 terminal and the N terminal Turn off the power source and ten minutes later remove the SPM CN13 cords Then check the DC voltage between the 1 pin of the SPM CN13 and the N terminal within three minutes of the power relay being turned on Block off the power source and return the yellow striped and blu striped wires to their former position Then remove the gray ...

Страница 69: ... 81 ...

Страница 70: ...d error cord will be generated Blinking of the LD304 has a priority from the smaller number of times In case of some indoors are failed at same time the LD304 shows the smallest blinking time first After the first failure repaired LD304 shows the next fail ...

Страница 71: ...ication error 2 If you do this with the compressor connector in a removed state LD301 will blink four times and the unit will not work HOW TO OPERATE THE OUTDOOR UNIT INDEPENDENTLY 1 Connect the large dia pipe side and small dia pipe side service valves using a pipe Connect the small diameter service value and the large diameter service valve using the reducing union and copper pipe as shown on th...

Страница 72: ...at it takes about 10 minutes until the voltage fall after the power switch is turned off Across a b 0V line Across a ground Across b 0V line ground approx 360V approx 155 170V approx 155 170V When using an oscilloscope never ground it Don t forget that high voltages as noted above may apply to the oscilloscope DANGER DANGER Power source 1 ø 220 240V 50Hz ...

Страница 73: ...sections of system power module During continuity check of each circuit of electrical parts in outdoor unit is performed to prevent secondary trouble disconnect red gray wire connected to system power module SPM from diode stack Also be sure to perform discharging of smoothing capacitor Do not use soldering iron with transformer Doing so will blow thermal fuse inside transformer As shown left appl...

Страница 74: ... 86 Lighting mode self diagnosis lamp Location of self diagnosis lamp 1 RAM 71QH5 ...

Страница 75: ... 87 Lighting mode self diagnosis lamp 2 RAM 71QH5 ...

Страница 76: ... 88 TROUBLESHOOTING OF THE SYSTEM POWER MODULE ...

Страница 77: ... 89 ...

Страница 78: ... 90 ...

Страница 79: ......

Страница 80: ...ARTS LIST AND DIAGRAM OUTDOOR UNIT MODEL RAM 71QH5 22 37 3 7 17 29 12 23 30 14 13 34 21 36 40 6 9 41 41 10 35 41 11 41 25 8 15 44 43 32 24 5 18 33 4 38 39 39 38 42 26 28 27 38 38 39 47 45 19 16 31 20 46 2 1 ...

Страница 81: ...SING VALVE 14 PMRAC 70YHA S06 1 NET 15 PMRAC 25NH4 910 1 OLR COVER 16 PMRAM 71QH5 S01 1 P W B MAIN 17 PMRAC 70YHA 907 1 PROPELLER FAN 18 KPNT1 001 3 PUSH NUT 19 PMRAM 72QH5 S02 1 PWB POWER 20 PMRAC 18SH4 S01 1 REACTOR 21 PMRAM 22NHZ4 S01 1 REVERSING VALVE 22 PMRAC 70YHA 908 1 SIDE PLATE L 23 PMRAM 72QH5 S14 1 SIDE PLATE R 24 PMRAM 65QH4 920 1 STRAINER CO PIPE AS 1 25 PMRAM 72QH5 909 1 STRAINER ST ...

Страница 82: ...OP COVER 38 PMSMARTY235M 901 4 VALVE 2S 39 PMSMARTY235M 902 3 VALVE 3S 40 PMRAC 70YHA 916 1 NET COVER 41 PMRAM 72QH5 917 4 EXPANSION VALVE 42 PMRAM 72QH5 918 1 VALVE 4S 43 PMRAM 72QH5 920 1 SUPPORT DEF THERMISTOR 44 PMRAC 25NH4 909 1 SUPPORT OH THERMISTOR 45 PMRAC 70YHA 918 1 PWB NF 46 PMRAC X18CXT 908 1 PWB CAPA 47 PMRAM 72QH5 919 1 PWB SWITCHING PART N0 RAM 71QH5 NO Q TY UNIT PARTS NAME ...

Страница 83: ... 94 HITACHI PM NO 0459E Printed in Malaysia RAM 71QH5 ...

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