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TC-12001

OUTDOOR UNIT

P5414950-rev.1

7.1

General Check

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Содержание RAS-3HVRNM2

Страница 1: ...N SPLIT SYSTEM HEAT PUMP AIR CONDITIONERS DC INVERTER UTOPIA Models Outdoor Units RAS 3HVRNM2 RAS 4HVRNM2 RAS 5HVRNM2 RAS 6HVRNM2 RAS 7HVRNM2 P5414950 IMPORTANT READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS HEAT PUMP AIR CONDITIONERS KEEP THIS MANUAL FOR FUTURE REFERENCE ...

Страница 2: ...occur O 3D DWWHQWLRQ WR WKH IROORZLQJ SRLQWV ZKHQ WKH XQLW LV LQVWDOOHG LQ D KRVSLWDO RU RWKHU IDFLOLWLHV ZKHUH DQ HOHFWURPDJQHWLF ZDYH JHQHUDWHV IURP D PHGLFDO HTXLSPHQW R QRW LQVWDOO WKH XQLW LQ WKH SODFH ZKHUH DQ HOHFWURPDJQHWLF ZDYH LV GLUHFWO UDGLDWHG WR WKH HOHFWULFDO ER UHPRWH FRQWURO FDEOH RU UHPRWH FRQWURO VZLWFK QVWDOO WKH XQLW DW OHDVW PHWHUV DZD IURP DQ HOHFWURPDJQHWLF ZDYH VXFK DV D U...

Страница 3: ...UDFWHULVWLFV SRZHU VXSSO YROWDJH DQG IUHTXHQF DQG accessories to determine if they are correct The standard utilization of the unit shall be explained in these instructions Therefore the utilization of the unit other than those indicated in these instructions is not recommended Please contact your local agent as the occasion arises HITACHI s liability shall not cover defects arising from the alter...

Страница 4: ...door Unit Installation 13 5 1 Factory Supplied Accessories 13 5 2 Initial Check 13 5 3 Service Space 15 5 4 Installation Work 17 6 Refrigerant Piping Work 19 6 1 Piping Materials 20 6 2 Flaring and Joint 21 6 3 Pipe Selection 22 6 4 Piping Connection 25 6 5 Connecting Refrigerant Pipings 28 7 Electrical Wiring 29 7 1 General Check 30 7 2 Wiring Connection 31 8 Setting of Dip Switch 39 9 Additional...

Страница 5: ...K LI QRW DYRLGHG will result in death or serious injury 51 1 LQGLFDWHV D KD DUGRXV VLWXDWLRQ ZKLFK LI QRW DYRLGHG FRXOG UHVXOW LQ GHDWK RU VHULRXV LQMXU 87 21 XVHG ZLWK WKH VDIHW DOHUW V PERO LQGLFDWHV D KD DUGRXV VLWXDWLRQ ZKLFK LI QRW DYRLGHG FRXOG UHVXOW LQ PLQRU RU PRGHUDWH LQMXU 127 LV XVHG WR DGGUHVV SUDFWLFHV QRW UHODWHG WR SHUVRQDO LQMXU 127 LV XVHIXO LQIRUPDWLRQ IRU RSHUDWLRQ DQG RU PDLQW...

Страница 6: ... LW PD FDXVH D VHULRXV DFFLGHQW O 5HIULJHUDQW OHDNDJH FDQ FDXVH GLI FXOW ZLWK EUHDWKLQJ GXH WR LQVXI FLHQW DLU 7XUQ 2 WKH PDLQ VZLWFK H WLQJXLVK DQ QDNHG ÀDPHV DQG FRQWDFW RXU VHUYLFH FRQWUDFWRU LI UHIULJHUDQW OHDNDJH RFFXUV O 0DNH VXUH WKDW WKH UHIULJHUDQW OHDNDJH WHVW VKRXOG EH SHUIRUPHG 5HIULJHUDQW OXRURFDUERQ IRU WKLV XQLW LV QRQÀDPPDEOH QRQ WR LF DQG RGRUOHVV RZHYHU LI WKH UHIULJHUDQW LV OHDN...

Страница 7: ...I FLHQWO VWURQJ IRXQGDWLRQ I QRW WKH XQLW PD IDOO GRZQ DQG LW PD OHDG WR LQMXULHV O R QRW LQVWDOO WKH XQLW LQ D SODFH ZKHUH RLO YDSRU RUJDQLF VROYHQW DQG FRUURVLYH JDV DPPRQLD VXOIXU FRPSRXQG DQG DFLG PD EH SUHVHQW LQ TXDQWLWLHV W PD FDXVH UHIULJHUDQW OHDNDJH GXH WR FRUURVLRQ HOHFWULFDO VKRFN GHWHULRUDWHG SHUIRUPDQFH DQG EUHDNDJH O 3HUIRUP WKH HOHFWULFDO ZRUN DFFRUGLQJ WR QVWDOODWLRQ 0DQXDO DQG DO...

Страница 8: ...conditioner are located close to each other Device Ex LIW FRQWDLQHU FUDQH UHFWL HU IRU HOHFWULF UDLOZD LQYHUWHU SRZHU GHYLFH DUF IXUQDFH electric furnace large sized induction motor and large sized switch It consumes a large quantity of electrical power Regarding the cases mentioned above surge voltage may be inducted in the power supply wiring for the packaged air conditioner due to a rapid chang...

Страница 9: ...utlet 11 Stop Valve for Gas Line 22 Air Inlet 12 Stop Valve for Liquid Line 1 10 2 4 7 5 9 3 17 19 20 18 14 12 11 15 13 16 6 21 22 6 2 8 22 370 45 5 800 768 32 950 410 440 PCN7 PCN6 PCN13 PCN14 PCN8 PCN9 THM7 THM8 THM9 THM10 CN1 CN2 1 6 2 5 ON 3 4 1 6 2 5 ON 3 4 DSW2 DSW4 0 9 8 7 6 5 4 3 2 1 ON 2 1 1 6 2 5 ON 3 4 RSW1 DSW6 PSW1 SEG1 1 ON 2 4 3 TR1 ON 2 1 IC1 REG1 C71 LED1 C87 C72 Y52C DSW3 TP1 PSW...

Страница 10: ...s Line 23 Air Outlet 12 Stop Valve for Liquid Line 24 Air Inlet 13 Receiver PCN1 TR1 IC1 SEG1 1 6 2 5 ON 3 4 1 ON 2 4 3 1 6 2 5 ON 3 4 1 6 2 5 ON 3 4 ON 2 1 ON 2 1 PSW1 PSW3 0 9 8 7 6 5 4 3 2 1 SW1D SW3 R195 REG1 E Y20C Y20A Y21 Y52C YCH Y21SW1 Y21SW2 1 Y21SW2 2 LED3 LED2 PSW2 DSW6 RSW1 DSW1 DSW5 DSW2 DSW4 LED4 LED1 EFS1 EFR1 EF1 EF2 EF3 THM9 THM10 THM7 THM8 CN100 CN1 CN6 CN7 CN101 CN404 CN2 CN8 C...

Страница 11: ... OHDNDJH HOHFWULFDO VKRFN RU UH NOTICE KHFN WKH GHVLJQ SUHVVXUH IRU WKLV SURGXFW LV 03D To avoid accidental mixing of the different refrigerant or different refrigerant oil the sizes of the charging connections have been changed W LV QHFHVVDU WR SUHSDUH WKH IROORZLQJ WRROV EHIRUH SHUIRUPLQJ WKH LQVWDOODWLRQ ZRUN No Tool No Tool No Tool 1 Handsaw 8 Plier 16 Cutter for Wires 2 Phillips Screwdriver 9...

Страница 12: ...amin ORZ QLWURJHQ GXULQJ EUD LQJ Prevention from Oxidation during Brazing Lubrication Oil for Flare Surface O Use a synthetic oil which is equivalent to the oil used LQ WKH UHIULJHUDWLRQ F FOH 6 QWKHWLF RLO DEVRUEV PRLVWXUH TXLFNO Applying Oil to the Flared Surface Vacuum Drying Refrigerant Charge Refrigerant Cylinder O KHFN UHIULJHUDQW F OLQGHU FRORU Liquid refrigerant charging is required regard...

Страница 13: ...pacity Calculate the indoor unit capacity as follows The outdoor unit capacity is divided by the calculated indoor unit capacities as necessary Capacity of Outdoor Unit Rated Capacity x Correction Factor Indoor Unit Capacity Rated Capacity x Correction Factor Room Temperature 3 2 Indoor Unit Selection for Multiple Connected Installation 1 The indoor unit capacity in heating mode is roughly calcula...

Страница 14: ...2 In the Ceiling Type RPI FSN2SQ RPI 5 0FSN2SQ 4 Way Cassette Type RCI FSN3 RCI 5 0FSN3 RCI 2 5FSN3 x 2 RCI 1 5FSN3 x 3 RCI 1 0FSN3 x 4 In the Ceiling Type RPI FSN2 RPI 2 5FSN2 x 2 RPI 1 5FSN2 x 3 RPI 1 0FSN2 x 4 2 Way Cassette Type RCD FSN2 RCD 2 5FSN2 x 2 RCD 1 5FSN2 x 3 RCD 1 0FSN2 x 4 Ceiling Type RPC FSN2 RPC 2 5FSN2 x 2 Wall Type RPK FSNSM2 RPK 2 5FSNSM2 x 2 RPK 1 5FSNSM2 x 3 RPK 1 0FSNSM2 x...

Страница 15: ...tte Type RCD FSN2 1HP Ceiling Type RPC FSN2 2HP Wall Type RPK FSNSM2 1HP 2 Total Indoor Unit Capacity Total Outdoor Unit Capacity should be within the value as shown in the table above 3 3 RI WKH LQGRRU XQLW LV GHVLJQHG DV WKH KLJKHU DLU ÀRZ YROXPH WKDQ RYHU 3 RI WKH LQGRRU XQLW Do not install a space where the cold draft may be felt at heating 4 If 4 Way Cassette Type or Ceiling Type indoor unit ...

Страница 16: ...nce of the unit check safety and lift up smoothly 1 Do not remove any packing materials 2 Hang the unit under packing condition with two 2 ropes as shown in Fig 4 1 Model Gross Weight kg a mm b mm RAS 3HVRNM2 73 350 370 RAS 4HVRNM2 RAS 5HVRNM2 RAS 6HVRNM2 111 337 590 RAS 7HVRNM2 112 337 590 3 When handling the unit by handle Attach crate packing or cloth here Put securely the rope through both sid...

Страница 17: ...it in a space with limited access to general public Do not install the outdoor unit in a space where a seasonal wind directly blows to the outdoor heat exchanger or a wind from a building space directly blows to the outdoor fan If installing such a space attach the wind guard optional The drain water is discharged during the heating and defrosting operation Pay attention to the followings Choose a...

Страница 18: ...in Place where Strong Wind Blows to Unit Install the outdoor unit as followings in the case that a strong wind blows to the unit O Select a place where a strong wind does NOT blow to the air outlet surface and the air inlet surface If blowing direct and strong wind to the air RXWOHW WKH QHHGHG DLU ÀRZ YROXPH FDQ QRW be maintained and the outdoor unit may be GLI FXOW WR RSHUDWH QRUPDOO NOTE I H FHV...

Страница 19: ...n 1000 Max 300 Min B H Min 100 Min 1000 H Max 300 NOTE Open both right and left sides NOTE Open both right and left sides Min 1000 Max 300 H L A Min 100 Min 1000 H Max 300 L A NOTE Open both right and left sides B B B Min 100 Single Installation Multiple Installation mm NOTE Open both right and left sides NOTE Open both right and left sides Around sides are closed Around sides are open Min 100 Min...

Страница 20: ...Optional Min 150 Single Installation Multiple Installation mm NOTE Open both right and left sides Front Side H Min 100 H No more than 2 units for multiple installation NOTE Open both right and left sides L L Min 50 Min 100 A A A B NOTE Open both right and left sides B A mm Min 500 Min 50 Single Installation L Min 500 Min 100 L mm Single Installation Min 500 Min 50 L Min 1000 Min 500 L Min 1000 Min...

Страница 21: ...asures are necessary add vibration proof rubber Field Supplied mm Dim Model A B RAS 3HVRNM2 529 116 RAS 4HVRNM2 RAS 5HVRNM2 RAS 6HVRNM2 RAS 7HVRNM2 1109 116 7KH DLUÀRZ JXLGH 2SWLRQDO LV UHTXLUHG ZKHQ WKHUH DUH LQWHUIHUHQFHV LQ ERWK IURQW DQG UHDU VLGH RI WKH outdoor unit The installation of multi row and multiple outdoor units should be up to 3 outdoor units on a roof etc Use WKH DLUÀRZ JXLGH 2SWL...

Страница 22: ...cold morning Therefore avoid draining in an area where people often use because it is slippery If installing such the area provide a second drain pan and perform the drainage 7 Use the drain boss set Optional DBS 26 L when the drain piping work is required to the outdoor unit Pay attention that the drain boss set can not be used in a snow and a cold area OXPLQXP QV KDYH YHU VKDUS HGJHV 3D DWWHQWLR...

Страница 23: ...OHVV RZHYHU LI WKH UHIULJHUDQW LV OHDNHG DQG FRQWDFWHG ZLWK UH WR LF JDV ZLOO JHQHUDWH OVR EHFDXVH WKH ÀXRURFDUERQ LV KHDYLHU WKDQ DLU WKH ÀRRU VXUIDFH ZLOO EH OOHG ZLWK LW ZKLFK FRXOG FDXVH suffocation O 3HUIRUP VHFXUHO WKH UHIULJHUDQW SLSLQJ ZRUN EHIRUH RSHUDWLQJ WKH FRPSUHVVRU Remove the refrigerant piping after the compressor is stopped when repairing replacing or UHMHFWLQJ If the refrigerant ...

Страница 24: ...demitsu Kousan Co Ltd 3 In case that temperature and humidity inside the ceiling exceed 27o C RH80 apply additional insulation approx 10mm thickness to the accessory insulation It prevents dew condensation on the surface of the insulation refrigerant pipe only 4 Perform the air tight test 4 15MPa for the test pressure 5 3HUIRUP FROG LQVXODWLRQ ZRUN E LQVXODWLQJ DQG WDSLQJ WKH ÀDUH FRQQHFWLRQ DQG U...

Страница 25: ... I U is Higher than O U 20m 4 to 7 I15 88 I9 52 Actual Length 75m Equivalent Length 95m O U is Higher than I U 30m I U is Higher than O U 20m I U Indoor Unit O U Outdoor Unit O Flaring Dimension 3HUIRUP WKH ÀDULQJ ZRUN DV VKRZQ EHORZ mm Diameter Id A 0 0 4 R410A 6 35 9 1 9 52 13 2 12 7 16 6 15 88 19 7 6 2 Flaring and Joint O Joint Selection I RX XVH PDWHULDO RX FDQ QRW SHUIRUP WKH ÀDULQJ ZRUN Q WK...

Страница 26: ...ng 1 2 3 4 L1 Twin Triple Quad Actual Length of B or B C Total I U Capacity after Branch Piping Actual Length Equivalent Length 2 5HP 2 5HP 3HP 50 70 60 10 Take enough Length more than B C 30 20 TW 52AN 4 6HP 75 95 85 95 95 10 30 20 TW 52AN TG 53AN TW 52AN TW 22AN TW 52AN 7HP 75 95 30 20 I U Indoor Unit O U Outdoor Unit O Piping Length and Branch Piping Selection NOTES 1 The liquid piping and the ...

Страница 27: ...ping Length from Branch to Indoor Unit L3 10 10 10 Height Difference Outdoor Indoor Outdoor Unit is Higher Lower 30 20 30 20 30 20 Height Difference Indoor Indoor 10 10 10 Total Piping Length Total of L3 L4 60 95 95 Multi kit Model 5 MW NP102AN 6 MW NP102AN Piping between Multi kit and Indoor Unit L3 Indoor Unit Capacity Gas Liquid 1 1 5HP I12 7 I6 35 2HP I15 88 I6 35 2 5 5HP I15 88 I9 52 Main Pip...

Страница 28: ...H FDS However it is not gas leakage NOTE Pay attention not to splash the refrigerant and the oil to WKH HOHFWULFDO ER RU WKH HOHFWULFDO SDUWV ZKHQ UHPRYLQJ the charge hose 4 3UHVVXUH 0HDVXUHPHQW E KHFN RLQW Use the check joint the gas stop valve A and the piping B WR PHDVXUH WKH SUHVVXUH Q WKLV WLPH FRQQHFW D PDQLIROG JDXJH DFFRUGLQJ WR WKH WDEOH EHORZ EHFDXVH KLJK DQG ORZ SUHVVXUHV are interchang...

Страница 29: ...p valves are inside of the cabinet Refrigerant Piping and Wiring Connection Hole Knockout Hole Refrigerant Liquid Piping Connection 9 52 Flare Nut Refrigerant Gas Piping Connection 15 88 Flare Nut NOTE 90 20 26 78 97 23 32 42 26 75 58 109 31 26 67 138 58 23 57 Refrigerant Piping and Wiring Connection Hole Knockout Hole 459 46 90 51 69 Procedures of Removing Cover Service Cover Screws 5 places Atte...

Страница 30: ...m coming into direct contact with the piping c Rear Side Piping Work After removing the rear side piping cover punch out the C holes along the guide line When using a racking cover or conduit remove D part after checking these diameters NOTE To avoid injury protect cables and pipes with adequate insulation Field Supplied Consider and install the unit to secure the space of the piping hole part dur...

Страница 31: ...n securely the cap Position to Apply Spanners Perform the work after warming the spindle part by a dryer etc when controlling the stop valve in an cold area O ring of the spindle part will harden at the low temperature and the refrigerant leakage may occur Use securely two spanners at the following position when removing or installing the pipe If not refrigerant leakage will occur Do not apply two...

Страница 32: ...t and the outdoor unit ZLWK HOG VXSSOLHG UHIULJHUDQW SLSLQJ Suspend the refrigerant piping at certain points and prevent the refrigerant piping from touching the weak part of the building such as wall ceiling etc If touched abnormal sound may occur due to the vibration of the piping Pay special attention in case of short piping length 3 Apply the oil thinly at the seat surface of the ÀDUH QXW DQG ...

Страница 33: ...rmed O Check to ensure that the indoor fan and the outdoor fan have stopped before electrical wiring work or a periodical check is performed O Protect the wires electrical parts etc from rats or other small animals I QRW SURWHFWHG UDWV PD JQDZ DW XQSURWHFWHG SDUWV DQG ZKLFK PD OHDG WR UH O Avoid the wirings from touching the refrigerant pipes plate edges and electrical parts inside the XQLW I QRW ...

Страница 34: ... SDFNDJHG DLU FRQGLWLRQHU PD QRW EH RSHUDWHG QRUPDOO XQGHU WKH IROORZLQJ FDVHV Q FDVH WKDW WKH SDFNDJHG DLU FRQGLWLRQHU LV VXSSOLHG ZLWK WKH VDPH SRZHU WUDQVIRUPHU DV WKH GHYLFH ZLWK KLJK HOHFWULFLW FRQVXPSWLRQ Q FDVH WKDW WKH SRZHU VRXUFH ZLUHV IRU WKH GHYLFH DQG WKH SDFNDJHG DLU FRQGLWLRQHU DUH ORFDWHG FORVH WR HDFK RWKHU H LIW FRQWDLQHU FUDQH UHFWL HU IRU HOHFWULF UDLOZD LQYHUWHU SRZHU GHYLFH D...

Страница 35: ... should be performed according to Installation Maintenance Manual of the indoor unit The wiring connection of the outdoor unit is shown in Fig 7 1 Piping Cover Conduit Tube Power Source Cable Rear Cover Earth Wire Power Source Cable Control Cable between Outdoor Unit and Indoor Unit Earth Wire Keep a distance between each wiring terminal and attach insulation tape or sleeve as shown in the figure ...

Страница 36: ...Voltage 5V It may cause failure NOTES 1 When the total wiring length for control cable between the outdoor unit and the indoor unit and between indoor units is less than 100m the normal wiring more than 0 75mm2 except the twist pair cable is available Except for Australia 2 The total wiring length for the remote control switch can be extended up to 500m If the total wiring length less than 30m the...

Страница 37: ...ltage to this cable Rated Voltage 5V When installing PC ARF remote control switch in Australia connect both ends of shield tube to earth Shielded Twist Pair Cable 0 75mm2 This cable dose not need any polarity Do not apply an excessively high voltage to this cable Rated Voltage 5V Connect to the both ends of shield tube to earth Earth Wiring 17 Power Source Type 3 Phase 4 Wires CASE A Power Source ...

Страница 38: ...ielded Twist Pair Cable 0 75mm2 This cable dose not need any polarity Do not apply an excessively high voltage to this cable Rated Voltage 5V When installing PC ARF remote control switch in Australia connect both ends of shield tube to earth Control Cable It is need for China and Australia only L1 L2 N Mp 1 2 A B Indoor Unit No 4 15 Earth Wiring 17 16 16 Earth Wiring 17 Distribution Box or Pull Bo...

Страница 39: ... the Defrost Control in Demand Mode Refer to item 10 3 in detail of setting Do not connect the power source cable or control cable to DRM1 and SC terminals It will cause a burnout of the printed circuit board d Connecting Remote Control Switch in Case of Connecting between Refrigerant Cycles O Remote Control Switch Connecting Diagram a Installing Remote Control Switch to each Unit with Individual ...

Страница 40: ...tion ELB Main Switch Power Supply Wiring Capacity Intermediate Wiring between I U and O U Intermediate Wiring between I U and I U Earth Wiring Normal Current Fuse Capacity Power Source Control Cable Power Source Connecting Power Source to O U only 1 4 7 10 14 15 16 17 Connecting Power Source to O U and I U separately Indoor Unit 2 5 8 11 15 16 17 Outdoor Unit 3 6 9 12 15 16 17 ELB Earth Leakage Br...

Страница 41: ...5 3 5 RAS 5HVRNM2 50 5 40 60 5 50 50 5 40 10 0 75 6 0 75 0 75 0 75 3 5 RAS 6HVRNM2 50 5 40 60 5 50 50 5 40 10 0 75 6 0 75 0 75 0 75 3 5 Triple Type Term measure Model ELB A Normal Current of Main Switch A Fuse Capacity of Main Switch A Wiring Capacity mm2 Power Supply Between O U and I U Between I U and I U Earth Wiring CASE A CASE B Indoor CASE B Outdoor CASE A CASE B Indoor CASE B Outdoor CASE A...

Страница 42: ...XLW DQG FRQQHFW LW WR JURXQG 5 Q WKH FDVH WKDW SRZHU FDEOHV DUH FRQQHFWHG LQ VHULHV DGG HDFK XQLW PD LPXP FXUUHQW DQG VHOHFW ZLUHV EHORZ Model Power Source Maximum Current Power Source Cable Size Transmitting Cable Size IEC 60335 1 1 MLFC 2 IEC 60335 1 1 MLFC 2 53 61 64 53 61 64 53 61 64 53 61 64 240V 1I 5A PP2 PP2 PP2 PP2 53 61 64 7A PP2 5 61 5 61 5 61 5 61 5 61 5 61 5 61 5 61 220 240V 1I 220V 1I...

Страница 43: ... Setting 3 4 1 2 5 6 ON OFF 1 2 3 4 ON OFF RAS 3HVRNM2 RAS 4HVRNM2 RAS 5HVRNM2 RAS 6HVRNM2 Factory Setting Cooling Heating Cooling for Intermediate Season Heating for Intermediate Season Forced Stop of Compressor 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF Factory Setting Piping Length 5m 3 4 1 2 5 6 ON OFF 3 4 1 2 5 6 ON OFF Optional Function Setting External Input ...

Страница 44: ...DSW5 at OFF side from the 2nd refrigerant group outdoor unit If only one outdoor unit is used no setting is required O Setting of Refrigerant Cycle No In the same refrigerant cycle set the same refrigerant cycle No for the outdoor unit and the indoor units as shown below As for setting indoor unit refrigerant cycle No set the RSW2 and DSW5 on the indoor unit PCB 1 2 1 2 ON OFF ON OFF Before Shipme...

Страница 45: ...for the control cable between indoor units When installing the unit in Australia earth the both ends of shielded twist pair cable O Attention for Control Wiring Work between Outdoor Unit and Indoor Unit for Case A and Case B Take the distance more than 5 to 6cm between the control cable and power source cables Therefore do not use the coaxial cable In addition in the case that the other machinery ...

Страница 46: ...Gas Stop Valve 9 0 to 14 0 N m Liquid Stop Valve 14 0 to 18 0 N m NOTES 1 Use tools or measuring instruments H FOXVLYH IRU WKH UHIULJHUDQW 5 2 If vacuum degree of 0 1MPa 756mmHg is not available it is considered that OHDNDJH RU PRLVWXUH H LVWV Check for any gas leakage once again I QR OHDNDJH H LVWV RSHUDWH WKH YDFXXP pump for one to two hours If moisture remains inside the piping it may cause a c...

Страница 47: ...ditions and dew condensation on the pipe surface by the low pressure Check to ensure that there is no gas leakage When large amount of the refrigerant leaks the troubles as follows may occur 1 Oxygen Deficiency 2 Generation of Harmful Gas Due to Chemical Reaction with Fire NOTICE Do not use refrigerant which is charged to the outdoor unit once to the air purge It may cause malfunction E WKH LQVXI ...

Страница 48: ...ess Length 30 Correction Value of Additional Ref Amount P 0 06 Additional Charge Quantity W W L x P 63 30 x 0 06 1 98 kg NOTE Ensure that the additional charge quantity should not be exceeded the maximum additional refrigerant charge quantity For Single Type For Twin and Triple Type For Quad Type For Line Branch O Calculate the additional refrigerant charge quantity according to the table below W ...

Страница 49: ...culate the refrigerant concentration NJ P3 RI WKH URRP DFFRUGLQJ WR WKH following equation If local codes or regulations are VSHFL HG IROORZ WKHP Example ULWLVK 6WDQGDUG 6 RPPHUFLDO 2I FH XLOGLQJ ODVV 2FFXSDQF NJ P3 C Refrigerant Concentration NJ P3 9 5RRP 6SDFH KHUH 7KLV 8QLW V WR H QVWDOOHG P3 5 7RWDO 4XDQWLW RI KDUJHG Refrigerant kg O The DC INVERTER UTOPIA is used the refrigerant R410A 1 W LV ...

Страница 50: ...sulation Resistance Check to ensure that the insulation resistance is more than 1 megohm by measuring the resistance between ground and the terminal of the electrical parts by a megohm meter 1 If the total unit insulation resistance is lower than 1 megohm the compressor insulation resistance may be low due to retained refrigerant in the compressor This may occur if the unit has not been used for l...

Страница 51: ... Check Refrigerant Temperature Liquid Temperature o C Discharge Gas Temperature o C 8 Check Pressure Discharge Pressure MPa Suction Pressure MPa 9 Check Voltage Rated Voltage V Operating Voltage L1 N or L1 L2 V Starting Voltage V 10 Check Compressor Input Running Current Input kW Running Current A 11 Is the refrigerant charge adequate 12 Do the operation control devices operate correctly 13 Do the...

Страница 52: ...onds The power supply for the indoor unit is NOT turned ON or the incorrect wiring Loose Connection between Indoor Units or Remote Control Switch Incorrect Setting of Indoor Unit Address The indoor unit address is overlapped c Start Test Run O Press run stop The test run operation will be started The operation PRGH WKH DLU ÀRZ YROXPH WKH DLU ÀRZ direction and the test run time are available to set...

Страница 53: ...ZLWFK ORRVHQLQJ or disconnecting connector disconnecting ZLUHV RU LQFRUUHFW ZLULQJ HWF O Small sound may be heard from the RXWGRRU XQLW DIWHU WXUQLQJ 21 WKH SRZHU source because the electrical expansion valve is activated to adjust the opening Therefore there is no abnormality of the unit O Sound may be heard from the outdoor unit for seconds after running or stopping WKH FRPSUHVVRU VWDUWLQJ RU QL...

Страница 54: ...ed 3 to 5dB No 7 Segment Display Setting Item SEG2 SEG1 1 1 Circular at Heating Thermo OFF 2 1 Night Shift 3 1 Cancellation of Outdoor Ambient Temperature Limit For heating 2 For cooling 3 For cooling heating 4 1 No Function 5 1 SLo Fan Speed Defrost Setting 6 1 No Function 7 1 Capacity Adjustment for Long Piping 8 1 Compressor Frequency Control Target Value for Cooling 9 1 Compressor Frequency Co...

Страница 55: ...tion can not be set to a different input terminal If set the setting of the larger input No is not available Press PSW1 SET SET SET SET SET Press PSW1 Press PSW1 Press PSW1 Press PSW1 Setting Before Shipment Input Setting 1 CN1 No 1 to 2 Input Setting 2 CN1 No 2 to 3 Input Setting 3 CN2 No 1 to 2 Output Setting 1 CN7 No 1 to 2 Output Setting 2 CN7 No 1 to 3 Example of Connection Output Connector P...

Страница 56: ...nnecting Wiring Breaking Wire Short Circuit Fan Motor Locking at Heating Operation 31 System Incorrect Capacity Setting of Outdoor Unit and Indoor Unit Incorrect Capacity Code Setting of Combination FHVVLYH RU QVXI FLHQW QGRRU 8QLW 7RWDO DSDFLW Code 35 Incorrect Setting of Indoor Unit No Duplication of Indoor Unit No in same Ref Group The number of the indoor unit is out of range 38 Abnormality of...

Страница 57: ...e Pressure Switch each one for each compressor High Cut Out MPa 4 15 0 05 0 15 4 15 0 05 0 15 4 15 0 05 0 15 4 15 0 05 0 15 4 15 0 05 0 15 Cut In MPa 3 20 0 15 3 20 0 15 3 20 0 15 3 20 0 15 3 20 0 15 Low Cut Out MPa 0 30 0 05 0 30 0 05 0 30 0 05 0 30 0 05 0 30 0 05 Cut In MPa 0 20 0 03 0 20 0 03 0 20 0 03 0 20 0 03 0 20 0 03 Fuse 1I 220 240V 50Hz 1I 220V 60Hz A 40 50 50 50 50 CCP Timer Non Adjusta...

Страница 58: ...2 130 TC 12001 ...

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Hitachi RAS-3HVRNM2, Инструкция по установке и обслуживанию, Страница: 34 / 58

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