Hitachi RPI-3.0FSN2SQ Installation & Maintenance Manual Download Page 10 | Manualshive

Page: 10 / 24

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2-12

TC-12001

IN-THE-CEILING (DUCT)

6

P5414985

< RPI-7.0FSN2SQ >

No.

Part Name

1

Fan

2

Fan Motor

3

Heat Exchanger

4

Distributor

5

Micro-Computer Control Expansion Valve

6

Strainer

7

Electrical Control Box

8

Refrigerant Gas Pipe Connection

9

Refrigerant Liquid Pipe Connection

10

Drain Pipe Connection

11

Float Switch

12

Drain Pan

13

Air Outlet

14

Air Inlet

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9

8

10

11

13

4

5

3

14

12

6

7

1

7

72

1430

440

550

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Summary of Contents for RPI-3.0FSN2SQ

Page 1: ...PLIT SYSTEM HEAT PUMP AIR CONDITIONERS SET FREE SERIES P5414985 IMPORTANT READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS HEAT PUMP AIR CONDITIONERS KEEP THIS MANUAL FOR FUTURE REFERENCE Type Model In the Ceiling Duct RPI 3 0FSN2SQ RPI 4 0FSN2SQ RPI 5 0FSN2SQ RPI 6 0FSN2SQ RPI 7 0FSN2SQ ...

Page 2: ...HFWULFDO GHYLFHV IDLOXUH PD 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 HOHF...

Page 3: ...ructions is not recommended Please contact your local agent as the occasion arises 7 V OLDELOLW VKDOO QRW FRYHU GHIHFWV DULVLQJ IURP WKH DOWHUDWLRQ SHUIRUPHG E D FXVWRPHU ZLWKRXW 7 V FRQVHQW LQ D ZULWWHQ IRUP 8VH VKLHOGHG ZLUHV RI RSHUDWLRQ OLQH EHWZHHQ WKH LQGRRU DQG WKH RXWGRRU XQLW QG FRQQHFW WKH VKLHOGHG SDUW WR WKH HDUWK VFUHZ LQ WKH HOHFWULFDO ER RI WKH LQGRRU XQLW DV VKRZQ LQ WKH LJ LJ DUWK...

Page 4: ...0 4 3 2 Separating Indoor Unit If Required Only for 3 0 6 0HP Models 10 4 3 3 Mounting on Suspension Brackets Field Supplied 11 4 3 4 Adjusting of Unit Level 11 4 3 5 Connecting Supply Duct 12 4 3 6 Setting of External Static Pressure 12 5 Refrigerant Piping Work 13 5 1 Piping Materials 13 5 2 Piping Connection 13 6 Drain Piping 14 7 Electrical Wiring 15 7 1 General Check 15 7 2 Electrical Wiring ...

Page 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...

Page 6: ...HG 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 QRQ ÀDPPDEOH QRQ WR LF DQG RGRUOHVV RZHYHU LI WKH UHIULJHUDQW LV O...

Page 7: ...QWO 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 DOO WKH...

Page 8: ...nditioner 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 change ...

Page 9: ...iner 6 Micro Computer Control Expansion Valve 7 Electrical Control Box 8 Refrigerant Gas Pipe Connection 9 Refrigerant Liquid Pipe Connection 10 Drain Pipe Connection 11 Float Switch 12 Drain Pan 13 Air Outlet 14 Air Inlet Model L1 L2 RPI 3 0FSN2SQ 1 076 879 RPI 4 0FSN2SQ 1 076 879 RPI 5 0FSN2SQ 1 300 1 000 RPI 6 0FSN2SQ 1 300 1 000 3 5 0 8 0 0 3 0 3 4 9 7 L2 Unit mm L1 ...

Page 10: ...er Control Expansion Valve 6 Strainer 7 Electrical Control Box 8 Refrigerant Gas Pipe Connection 9 Refrigerant Liquid Pipe Connection 10 Drain Pipe Connection 11 Float Switch 12 Drain Pan 13 Air Outlet 14 Air Inlet c m f d q c m f d q t r d o b o P g g h s b g h h q b n m c h s h n m d q 9 8 10 11 13 4 5 3 14 12 6 7 1 7 72 1430 440 550 ...

Page 11: ...un 2WKHUZLVH D UH RU IDLOXUH HWF PD RFFXU Be careful not to damage on insulation materials of unit s surface when lifting Do not put any material on the product It is recommended that indoor units be installed KLJKHU WKDQ PHWHUV IURP WKH ÀRRU OHYHO O Check to ensure that the ceiling slab is strong enough If not strong enough the indoor unit may fall down on you O Do not install the indoor unit out...

Page 12: ...n Hose Connection For Refrigerant Liquid Piping For Refrigerant Gas Piping For Fixing Thermal Insulation for Refrigerant Pipings Accessory Purpose Hose Clamp Insulation 28 ID 130 Insulation 40 ID 130 Cord Clamp Q ty 1 1 1 10 For Drain Hose Connection For Refrigerant Liquid Piping For Refrigerant Gas Piping For Fixing Thermal Insulation for Refrigerant Pipings Bolt 26 For Connecting Pipeline with I...

Page 13: ...e action to the heat exchangers do not install the indoor unit in an acid or alkaline environment Fig 4 1 Operation and Installation Space x Consider the air distribution from the indoor unit to the space of the room and select a suitable location so that uniform air temperature in the room can be obtained x R QRW LQVWDOO ÀDPPDEOH SDUWV LQ WKH VHUYLFH space for the indoor unit x Avoid obstacles wh...

Page 14: ...ooden Bar Truss Truss Field Supplied Vibration Absorbing Mat 10t Vibration Absorbing Mat 10t View from Place the three wooden bars on the truss as showing in the figure Note that the middle wooden bar should be placed in the center position of the unit Vibration Absorbing Mat 10t Vibration Absorbing Mat 10t Wooden Bar Truss Wooden Bar Truss Indoor Unit Place the three wooden bars on the truss as s...

Page 15: ...e suspension bolts and secure them with nuts as shown Use HOG VXSSOLHG DQJOH DQG WKUHDGHG URGV 0 RU greater are also recommended to brace the unit mounting Check with local and national building codes and or a structural engineer as to the LQJ RI WKH XQLW RU EXLOGLQJ VXSSRUW VWUXFWXUH LI applicable 4 3 4 Adjusting of Unit Level KHFN WR HQVXUH WKDW WKH IRXQGDWLRQ LV ÀDW taking into account the maxi...

Page 16: ...ZHU VRXQG OHYHO LV IXUWKHU UHTXLUHG LQVWDOO VLOHQFHU HOG VXSSOLHG O Design duct arrangement as Unit External Static Pressure Pressure Drop of Duct Pressure Drop of Air Outlet and Air Inlet If duct design is not appropriate big sound and splash will occur HP Undamped Natural Frequency 3 0 12 to 23 Hz 4 0 11 to 22 Hz 5 0 11 to 23 Hz 6 0 11 to 23 Hz 7 0 12 to 20 Hz 4 3 6 Setting of External Static Pr...

Page 17: ...PI 6 0FSN2SQ RPI 7 0FSN2SQ Fig 5 2 Position of Piping Connection Fig 5 4 Insulation on Pipes Fig 5 3 Tightening Work of Flare Nut 4 Evacuation and refrigerant charging procedures should be performed according to Installation Maintenance Manual of the outdoor unit 3 After connecting the refrigerant piping seal the refrigerant pipes by using the factory supplied insulation material as shown in Fig 5...

Page 18: ...LQJ ZLWK WKH ORDW 6ZLWFK a 6ZLWFK 21 WKH SRZHU VXSSO b Pour 2 or 2 5 liters of water into the drain pan c KHFN WR HQVXUH WKDW WKH ZDWHU ÀRZV VPRRWKO RU ZKHWKHU QR ZDWHU OHDNDJH occurs When water cannot be found at the end of the drain piping pour another 2 liters of water into the drain 6 Drain Piping The position of the drain piping connection is shown in Fig 6 1 Prepare polyvinyl chloride pipe w...

Page 19: ...IRU 3 PRGHOV RU LJ IRU 3 PRGHO 1 RQQHFW WKH FDEOH RI DQ RSWLRQDO UHPRWH FRQWURO VZLWFK RU DQ RSWLRQDO H WHQVLRQ FDEOH WR WKH FRQQHFWRUV RQ WKH SULQWHG FLUFXLW ERDUG LQVLGH WKH HOHFWULFDO ER WKURXJK WKH FRQQHFWLQJ KROH LQ WKH FDELQHW 2 RQQHFW WKH SRZHU VXSSO DQG HDUWK ZLUHV WR WKH WHUPLQDOV LQ WKH HOHFWULFDO ER 3 RQQHFW WKH ZLUHV EHWZHHQ WKH LQGRRU XQLW DQG WKH RXWGRRU XQLW WR WKH WHUPLQDOV LQ WKH ...

Page 20: ... Pair Cable Operating Line Shielded Twist Pair Cable Power Source Line to Remote Control Switch PC ARF When installing PC ARF remote control switch connect the both ends of shield tube to earth L N Earth Terminal Protect the earth wire to contact with the live part Electrical Box Cover Air Inlet Remove the fixing screws for Electrical box cover ...

Page 21: ...PLQDO ERDUG Fix the cable and the ring core by using the band accessory TB Ring Core Control Cable Band Air Inlet Electrical Box Cover Remove the two fixing screws for electrical box cover Remote Control Cable Shielded Twist Pair Cable Operating Line Shielded Twist Pair Cable Power Source Line to Remote Control Switch PC ARF When installing PC ARF remote control switch connect the both ends of shi...

Page 22: ... wire sizes marked with 1 in the table are selected at the maximum current of the unit according to the European Standard IEC 60335 1 Use the wires which are not lighter than the ordinary tough rubber sheathed ÀH LEOH FRUG FRGH GHVLJQDWLRQ 51 RU RUGLQDU SRO FKORURSUHQH VKHDWKHG ÀH LEOH FRUG FRGH GHVLJQDWLRQ 51 3 The wire sizes marked with 2 in the table are selected at the maximum current of the u...

Page 23: ...ed Set the unit No of all indoor units respectively and serially by following setting position shown in the table below Numbering must start from 1 for every outdoor unit 1 2 3 4 ON OFF ON OFF Setting Position 3 0 6 0 7 0 Horsepower 1 2 3 4 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF Setting Position 3 0 4 0 5 0 1 2 3 4 ON OFF 6 0 1 2 3 4 ON OFF 7 0 Horsepower 3 4 1 0 8 9 2 5 6 7 3 4 1 0 8 9 2 5 ...

Page 24: ...ce Setting O Do not operate the system until all the check points have been cleared A Check to ensure that the electrical resistance is more than 1 megohm by measuring the resistance between ground and the terminal of the electrical parts If not do not operate the system until the electrical leakage is found and repaired B Check to ensure that the stop valves of the outdoor unit are fully opened a...

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