Hitachi RPIH-3.5UFE1NH Installation & Maintenance Manual Download Page 3 | Manualshive

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Hitachi RPIH-3.5UFE1NH Installation & Maintenance Manual Download Page 3

Contents

  Safety Precautions .....................................................................................................................................1
  Composition of the Air conditioner ..............................................................................................................6
  Operation Manual .......................................................................................................................................8
Special Remarks ..........................................................................................................................................8
Troubleshooting ............................................................................................................................................8
Filter Cleaning ..............................................................................................................................................9
  Installation and Maintenance ....................................................................................................................10
1  Safety Notice ..........................................................................................................................................10
2  Tools and Instruments for Installation ..................................................................................................... 11
3  Installation of the Indoor Unit .................................................................................................................. 11

3.1 Initial Check ........................................................................................................................................................ 11

3.2 Installation ........................................................................................................................................................... 12

4 Refrigerant Pipe ......................................................................................................................................14

4.1 Pipe Material ....................................................................................................................................................... 14

4.2 Piping Connection ............................................................................................................................................... 14

5 Drain Piping ............................................................................................................................................15
6 Electrical Wiring ......................................................................................................................................16

6.1 General Check .................................................................................................................................................... 16

6.2 Changing Static Pressure ................................................................................................................................... 17

6.3 Electrical Installation ........................................................................................................................................... 17

7 Test Run..................................................................................................................................................18

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Summary of Contents for RPIH-3.5UFE1NH

Page 1: ...HO2019290HA INDOOR UNITS RPIL 3 0UFE1NH RPIH 3 5UFE1NH RPIH 4 0UFE1NH RPIH 5 0UFE1NH RPIH 6 0UFE1NH RPIH 6 5UFE1NH DUCTED UNIT MONO SPLIT DC INVERTER SERIES ...

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Page 3: ...intenance 10 1 Safety Notice 10 2 Tools and Instruments for Installation 11 3 Installation of the Indoor Unit 11 3 1 Initial Check 11 3 2 Installation 12 4 Refrigerant Pipe 14 4 1 Pipe Material 14 4 2 Piping Connection 14 5 Drain Piping 15 6 Electrical Wiring 16 6 1 General Check 16 6 2 Changing Static Pressure 17 6 3 Electrical Installation 17 7 Test Run 18 ...

Page 4: ...vice department to avoid danger The place where this product is installed must have the reliable electrical grounding facilities and protections Please do not connect the grounding of this product to various kinds of air feeding ducts drain pipes lightning protection facilities as well as other piping lines to avoid electric shock and damage caused by other factors Wiring must be done by a qualifi...

Page 5: ...e components are detailed below The wiring diagram with a clear indication of the connections and wiring to external control devices and supply cord are detailed below Power connection and interconnection between outdoor unit and indoor unit should be conducted with the power cord of the H07RN F type or the electrically equivalent type The size of the power cord is detailed below The information o...

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Page 7: ... package protection should be constructed so that mechanical damage to the equipment inside the package will not cause a leak of the refrigerant The maximum number of pieces of equipment permitted to be stored together will be determined by local regulations 6 Information on servicing 6 1 Checking the area Prior to beginning work on systems containing flammable refrigerants safety checks are neces...

Page 8: ... a position where they are unlikely to be exposed to any substance which may corrode refrigerant containing components unless the components are constructed of materials which are inherently resistant to being corroded or are suitably protected against being so corroded 6 9 Checking electrical devices Repair and maintenance of electrical components shall include initial safety checks and component...

Page 9: ... to the refrigerant employed and the appropriate percentage of gas maximum 25 is confirmed Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe work If a leak is suspected all naked flames shall be removed extinguished If a leakage of refrigerant wh...

Page 10: ...efrigerant can be removed from various parts of the system f Make sure that cylinder is situated on the scales before recovery g Start the recovery machine and operate in accordance with manufacturer s instructions h Do not overfill cylinders No more than 80 volume liquid charge i Do not exceed the maximum working pressure of the cylinder even temporarily j When the cylinders have been filled corr...

Page 11: ...efrosting process or to clean other than those recommended by the manufacturer The appliance shall be stored in a room without continuously operating ignition sources for example open flames an operating gas appliance or an operating electric heater Do not pierce or burn Be aware that refrigerants may not contain an odour To keep ventilation openings clear of obstruction The appliance shall be sto...

Page 12: ...N This symbol shows that a service personnel should handle this equipment with reference to the installation manual CAUTION This symbol shows that information is available such as the operating manual or installation manual Composition of the Air conditioner Indoor unit 3 0HP 3 5HP 4 0HP 1 7 2 3 4 5 6 1 2 3 4 7 5 6 5 0HP 6 5HP 1 2 5 6 4 3 7 1 Air inlet 2 Electric box 3 Refrigerant pipe Liquid 4 Re...

Page 13: ...ollers that can be used Operation instruction will be further specified in remote controller s manual Please read it carefully before using this appliance and keep it for future reference Wired controller Remote controller 1 5 1 NOTE The figures are based on the external views of the standard model Consequently the shape may differ for the air conditioner model you have selected COMPOSITION OF THE...

Page 14: ...xchanger affecting heating performance When this happens the defrosting system of the air conditioner will operate At the same time the fan in the indoor unit stops or runs at a very low speed in some cases to prevent cold draft After defrosting is over the heating operation and the fan speed resume Blowing out the residual heating air When stopping the air conditioner in normal operation the fan ...

Page 15: ...own along the rail of the flange as indicated in the figure below Air inlet flange Screws Air filter 2 Clean the filter Clean the air filter with a vacuum cleaner or clean water a Use a vacuum cleaner with the air inlet side facing the nozzle of the vacuum b Use clean water with the air inlet back side facing the faucet If there is more dirt on the air filter please use a soft brush and neutral de...

Page 16: ...nt circuit free from air Air in the refrigerant circuit may cause an abnormal pressure rise or rupture resulting in injury If any refrigerant leakage occurs during the installation work ventilate the room After all installations are completed make sure that there is no refrigerant leakage The refrigerant produces a toxic gas if exposed to flames When carrying out piping connection do not to let ai...

Page 17: ...r unpacking make sure to lift it by holding its lifting lugs Do not exert any pressure on other parts especially on refrigerant piping drain piping and flange parts Wear protective equipment when installing the unit ı600 ı1000 ı1000 100 140 600 600 Top view 1 Reserve necessary maintenance space when the ceiling is not detachable 2 The location of the maintenance port should ensure removal of the e...

Page 18: ... risk that the ceiling is not strong enough reinforce the ceiling before installing the unit For bottom intake 5 0HP 6 5HP replace the chamber lid and the intake side flange in the procedure listed in the figures below 1 Remove the intake side flange then remove the chamber lid Refer to Fig 3 1 3 for directions 2 Reattach the removed chamber lid in the orientation shown in Fig 3 1 4 Intake side fl...

Page 19: ...other sides for adequate drainage 5mm Fig 3 7 3 After the adjustment tighten the nuts and smear the thread locker on the suspension to prevent the nuts from loosening CAUTION 1 During the installation please cover the unit with the plastic cloth to keep it clean 2 Make sure that the unit is installed levelled by using a level or a plastic tube filled with water in instead of a level Adjust the top...

Page 20: ...3 89 410 207 129 375 Drain pipe for drain pump Refrigerant gas pipe Refrigerant liquid pipe Drain pipe 3 5HP 4 0HP 237 312 375 400 25 186 242 Refrigerant gas pipe Refrigerant liquid pipe Drain pipe for drain pump Drain pipe 5 0HP 6 5HP Fig 4 1 Connection positions of the pipe Model Gas Pipe mm Liquid Pipe mm 3 0 3 5HP 15 88 9 52 4 0 5 0 6 0 6 5HP 19 05 9 52 Fig 4 2 Pipe diameter 2 As shown in Fig ...

Page 21: ...ain hose and insulation material with the clamp The two areas below should be insulated because condensation may happen causing water leakage Drain pipes passing indoors Drain sockets Referring to the figure below insulate the drain socket and drain hose using the included large sealing pad Sealing material Drain hose Sealing material CAUTION Drain piping connections Do not connect the drain pipes...

Page 22: ...ction and breakage WARNING If the fuses burn up please call the authorized service dealer Please do not replace it by yourself as it may result in accident or electric shock 1 As shown in Fig 6 1 remove the screws on the control box 2 Connect the power cord and ground wire to the main terminal 3 Connect the remote control wire to the subsidiary terminal box 4 Connect the power supply of the indoor...

Page 23: ... parameter configuration status Symbol stops blinking 3 Select desired parameter code 10 by pressing button and press button to confirm 4 Select desired function code to rewrite the parameter values by pressing button and press button to confirm 5 Press button to quit If you still have any trouble please contact local service center of our company for further information 6 3 Electrical Installatio...

Page 24: ...rt and secure them in place When connecting the terminal block with a single core wire be sure to perform curing Round crimp style terminal Flexible cord Covered part Terminal Single core wire 3 When transmission cable length is more than 15 meters a larger wire size should be selected 4 Use a shielded cable for the transmitting circuit and connect it to ground 5 If power cables are connected in s...

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Page 26: ...sources To return your used device please use the return and collection systems or contact the retailer where the product was purchased They can take this product for environmental safe recycling Specifications in this document are subject to change without notice in order that Hitachi Johnson Controls Air Conditioning Inc may bring the latest innovations to their customers Hitachi Johnson Control...

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