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DC INVERTER SYSTEM MULTI R.A.C.

RAM-90NP5B

COOL / HEAT CAPACITY SPEC. FOR INDOOR UNITS
COMBINATIONS TO BE ABLE TO OPERATE SIMULTANEOUSLY

Whichever indoor units are installed, cooling and heating capacity depends on how many and which indoor
units are operating at that time.

(Reference value)

5 ROOM MULTI-SPLIT INVERTER TYPE RAC : RAM-90NP5B
POSSIBLE COMBINATION TO OPERATE (SAME TIME OPERATION)

Содержание RAM-90NP5B

Страница 1: ...M 21 MAIN PARTS COMPONENT 23 CIRCUIT DIAGRAM 25 BLOCK DIAGRAM 27 PRINTED WIRING BOARD LOCATION DIAGRAM 28 BASIC MODE 33 REFRIGERATING CYCLE DIAGRAM 53 DESCRIPTION OF MAIN CIRCUIT OPERATION 54 TROUBLE SHOOTING 65 PARTS LIST AND DIAGRAM 79 After installation W A COOLING CAPACITY DC INVERTER FIVE SYSTEM MULTI TYPE MODEL POWER SOURCE TOTAL INPUT TOTAL AMPERES SPECIFICATIONS RAM 90NP5B HEATING CAPACITY...

Страница 2: ...r use in repairs or inspection should be 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 ins...

Страница 3: ...oring 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 1M 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 bod...

Страница 4: ...the screwed part using a rag plate Soldering iron Grounding wire Fig 4 Grounding a solder 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 short circuit a load circuit or the like Metal plate of aluminium stainless steel etc Staple ...

Страница 5: ...rmostat or miss operation and re start in a moment there is occasion 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 th...

Страница 6: ...VICE SWITCH TEST SWITCH TRANSFORMER VARISTOR NOISE SUPPRESSOR THERMOSTAT REMOTE CONTROL SWITCH LIQUID CRYSTAL 138 W NO NO NO YES YES 20A 5 0A G4A NO NO YES NO ERZVA9V431 YES YES IC NO 2700g WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE UNIT PIPES REFRIGERANT CHARGING VOLUME Refrigerant 410A RAM 90NP5B JU182XC1 MAX 75m In case the pipe length is more than 30m add refrigerant R410 at 15gram per...

Страница 7: ...TAL INPUT W EER B T U hW TOTAL AMPERES A POWER FACTOR MAXIMUM LENGTH OF PIPING STANDARD RAM 90NP5B 1ø 220 240V 50 60Hz 25 8 5 29 020 2 230 13 01 10 20 9 40 99 11 00 37 540 2 460 15 26 11 3 10 4 99 MAX 75m FIVE UNIT TOTAL CE EMC LVD RAM 90NP5B MODEL W PACKING mm H D cu ft 1 037 896 417 13 68 75 GROSS WEIGHT kg 6 35DX5 9 52DX3 12 70X2 FLARE NUT SIZE SMALL LARGE INDOOR SUCTION TEMPERATURE C COOLING O...

Страница 8: ...TIONS TO BE ABLE TO OPERATE SIMULTANEOUSLY Whichever indoor units are installed cooling and heating capacity depends on how many and which indoor units are operating at that time Reference value 5 ROOM MULTI SPLIT INVERTER TYPE RAC RAM 90NP5B POSSIBLE COMBINATION TO OPERATE SAME TIME OPERATION ...

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Страница 10: ...UNITS INDICATED ARE ONLY FOR TWO UNITS OPERATION WHEN TWO OR MORE INDOOR UNITS ARE CONNECTED THREE UNITS INDICATED ARE ONLY FOR THREE UNITS OPERATION WHEN THREE OR MORE INDOOR UNITS ARE CONNECTED FOUR UNITS INDICATED ARE ONLY FOR FOUR UNITS OPERATION WHEN FOUR OR FIVE INDOOR UNITS ARE CONNECTED Two indoor units should be connected at least Total nominal cooling capacity should not be more than 15 ...

Страница 11: ...E ABLE TO INSTALL Two three four or five indoor units can be installed with one outdoor unit And total nominal cooling capacity should not be more than 15 5kW Be sure to connect two three or four indoor units to this outdoor unit If not condensed water may drop resulting in trouble ...

Страница 12: ... 11 QUADRUPLE SYSTEM MULTI R A C RAM 90NP5B INDOOR UNITS COMBINATIONS TO BE ABLE TO INSTALL ...

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Страница 16: ...handle Hi handle Lo need to be open and operate the vacuum pump for approximately 60 minutes Upon a full shut of manifold valve handle Lo the vacuum pump can be stopped Check to ensure that there is no gas leakage After removing the charging hose A rotate the service valve spindles in an anti clockwise direction to fully open for both valves Reinstall the cap nuts to their original positions and t...

Страница 17: ...or one indoor unit maximum 25m minimum 3m HIGHT DIFFERENCE 1 Height maximum 20m 2 Height difference between each indoor unit 5m To the outdoor unit up to five indoor units can be connected until the total value of capacity to 15 5kW Make sure to connect two or more indoor units ...

Страница 18: ...nit of 1 5kW 1 8kW 2 5kW 3 5kW 5 0kW 1 8 3 5kW unit Optional flare adaptor for piping is necessary One unit of 1 5kW 1 8kW 2 5kW 3 5kW 5 0kW 1 8 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 connecting the piping and connecting cord Pull downward Flare adaptor for piping The flare adaptor for piping is re quired...

Страница 19: ... 18 BASE DRAIN PIPE A ...

Страница 20: ...0NP5B Grounding rod optional Earth wire and grounding rod are not supplied Please use optional items below Type of grounding rod SP EB 2 Length 900mm Arrange power cord so they do not touch service valve CAUTION ...

Страница 21: ... 20 CONSTRUCTION AND DIMENSIONAL DIAGRAM MODEL RAM 90NP5B Service space ...

Страница 22: ... 21 MODEL RAM 90NP5B WIRING DIAGRAM ...

Страница 23: ...cifications MODEL COMPRESSOR MODEL PHASE SINGLE RATED VOLTAGE AC 220 240 V RATED FREQUENCY 50 60 Hz POLE NUMBER 4 CONNECTION 20 C 68 F 75 C 167 F RESISTANCE VALUE 0 410 0 397 0 390 RAM 90NP5B JU182XC1 0 499 0 483 0 474 U V V W W U U V V W W U ...

Страница 24: ...ifications CONNECTION 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 RAM 90NP5B DC 280V 138W RESISTANCE VALUE 20 C 68 F U V 18 86 1 9Ω V W 18 86 1 9Ω W U 18 86 1 9Ω ...

Страница 25: ... 25 CIRCUIT DIAGRAM MODEL RAM 90NP5B ...

Страница 26: ... 27 BLOCK DIAGRAM MODEL RAM 90NP5B ...

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Страница 33: ...d 200 124 DFCTPS_d 150 126 DFSPPS_d 10 127 DFPSMX_d 400 12B PCLOSH_d 86 238 STAROTP_C 25 0 C 239 SDRCT1_C1 2500 min 1 23A TSKTM1_C1 60 sec 2B SDRCT1_C2 2500 min 1 23C TSKTM1_C2 60 sec 23D STAROTP_W 4 8 C 23E SDRCT1_W1 2500 min 1 23F TSKTM1_W1 60 sec 240 SDRCT1_W2 2500 min 1 241 TSKTM1_W2 60 sec 242 SDSTEP 500 min 1 243 TSKSPT 30 sec 24E CMAX1 5300 min 1 24F CMAX2 7000 min 1 251 CMAX3 7000 min 1 25...

Страница 34: ...the above 1 the compressor does not go through the steady speed period but it starts fuzzy control 3 The thermo OFF temperature during cool dash is cooling set temperature including cooling shift 3 C After thermo OFF cool dash is finished and fuzzy control starts 4 The compressor minimum ON time and minimum OFF time is 3 minutes 5 The time limit for which the maximum compressor speed CMAX1 or CMAX...

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Страница 39: ...then that for unit 5 is fully opened 480 pulses When the valve for unit 1 2 3 4 5 is fully closed 0 pulse start up is possible The start openings are held during the steady speed period when the compressor is started After the steady speed period is finished the TD control is entered The start openings are set to PSTARTH when the outdoor temperature at start 40 C or more and to PSTART when it is l...

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Страница 41: ... 48 MODEL RAM 90NP5B Time chart when executing defrost Unit 1 and Unit 2 operated Unit 3 Unit 4 and Unit 5 stopped ...

Страница 42: ... 49 MODEL RAM 90NP5B ...

Страница 43: ... 50 TSKTM1_C and PSTARTC2 are EEPROM data MODEL RAM 90NP5B ...

Страница 44: ... 51 When one unit is operated for cooling MODEL RAM 90NP5B ...

Страница 45: ... 52 When one unit is operated for heating ...

Страница 46: ... 53 REFRIGERATING CYCLE DIAGRAM MODEL RAM 90NP5B ...

Страница 47: ... 54 RAM 90NP5B ...

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Страница 72: ... 79 PARTS LIST AND DIAGRAM OUTDOOR UNIT MODEL RAM 90NP5B ...

Страница 73: ... 80 MODEL RAM 90NP5B ...

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Страница 75: ...HITACHI PM NO 0586E Printed in Malaysia RAM 90NP5B ...

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