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Hitachi RCI-1.5TNE1NH, Installation And Maintenance Manual

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Hitachi RCI-1.5TNE1NH Installation And Maintenance Manual Download Page 4

Contents

Safety Precautions..............................................................................................................1

Identification of Parts .........................................................................................................3

Before Operation.................................................................................................................5

Diagram of Refrigerant Cycle & Wiring.............................................................................8

1. Refrigerant Flow Diagram .................................................................................................8

2. Electrical Wiring Diagram..................................................................................................8

Installation and Maintenance.............................................................................................9

1. Safety Notice.....................................................................................................................9

2. The Tools and Instruments for Installation ......................................................................10

3. The Installation of the Indoor Unit  ..................................................................................10

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

  3.2 Installation(1.5HP~2HP) ...........................................................................................13

  3.3 Installation(3HP~6.5HP) ...........................................................................................15

  3.4 Installation Details for Air Panels ..............................................................................17

4. The Installation of Outdoor Unit ......................................................................................18

  4.1 The Initial Check .......................................................................................................18

  4.2 Installation.................................................................................................................18

  4.3 Refrigerant Length between Indoor and Outdoor .....................................................19

5. Refrigerant Piping ...........................................................................................................20

  5.1 The Piping Material...................................................................................................20

  5.2 The Piping connection ..............................................................................................20

  5

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3

 

Air Exhaust ...............................................................................................................21

6. Drain Piping ....................................................................................................................22

7. Electrical Wiring ..............................................................................................................24

  7.1 General Check..........................................................................................................24

  7.2 Electrical Wiring Connection.....................................................................................24

8. Test Run ..........................................................................................................................25

9. Electrical installation .......................................................................................................26

Summary of Contents for RCI-1.5TNE1NH

Page 1: ...RAS 5 0UNESMH1 RAS 6 0UNESMH1 RAS 6 5UNESMH1 RCI 1 5UNE1NH RCI 2 0UNE1NH RCI 3 0UNE1NH RCI 4 0UNE1NH RCI 5 0UNE1NH RCI 6 0UNE1NH RCI 6 5UNE1NH Heat Pump Type Heat Pump Type RCI 1 5TNE1NH RCI 2 0TNE1NH RCI 3 0TNE1NH RCI 4 0TNE1NH RCI 5 0TNE1NH RCI 6 0TNE1NH RCI 6 5TNE1NH Cooling Only Type RAS 1 5TNESNH1 RAS 2 0TNESNH1 RAS 3 0TNESNH1 RAS 4 0TNESNH1 RAS 5 0TNESMH1 RAS 6 0TNESMH1 RAS 6 5TNESMH1 Coolin...

Page 2: ... for identifying hazard levels are provided below with their respective signal words Immediate hazards which WILL result in severe personal injury or death Hazards or unsafe practices which COULD result in severe personal injury or death Hazards or unsafe practices which COULD result in minor personal injury or product or property damage Useful information for operation and or maintenance It is as...

Page 3: ...ot install the air conditioner where excessively high heat generating objects are placed If the supply cord is damaged it must be replaced by the factory or its service department danger to avoid The place where this product is installed must have reliable electrical earth facility and protections Please do not connect the grounding of this product to various kinds of air feeding ducts drain pipin...

Page 4: ... 10 3 1 The Initial Check 11 3 2 Installation 1 5HP 2HP 13 3 3 Installation 3HP 6 5HP 15 3 4 Installation Details for Air Panels 17 4 The Installation of Outdoor Unit 18 4 1 The Initial Check 18 4 2 Installation 18 4 3 Refrigerant Length between Indoor and Outdoor 19 5 Refrigerant Piping 20 5 1 The Piping Material 20 5 2 The Piping connection 20 5 3 Air Exhaust 21 6 Drain Piping 22 7 Electrical Wi...

Page 5: ...Since the fan is rotating at high speed this may cause an Do not repair the appliance on your own this may lead to electric shock and so on Turn off the appliance first and then cut off power supply when appliance It is harmful for your health if you are exposed to cold air for prolonged period of time Hence it is Prevent the air flow from reaching the gas burners and stove Do not operate the unit...

Page 6: ...an bear its weight to for quiet operation Features of HEATING mode Features of HEATING mode Preheating It is hard to increase the room temperature when outdoor temperature is very low lt might take longer time if the working temperature range not closer to the operation limits Defrosting At the beginning of HEATING operation the airflow from indoor unit is discharged 2 5 minutes later During HEATI...

Page 7: ...nit Identification of Parts 3 0 6 5HP 1 5 5 0HP 1 5 2 0HP 6 0 6 5HP 3 Consequently the shape may differ from that of the air conditioner you have selected Note The figures are based on the external views of a standard model ...

Page 8: ... differ you have selected for the air conditioner model It can be set or canceled by professional after sale staff 4 1 Run indicator Red It lights on during operation It lights off during SLEEP mode 2 Emergency switch The filter clean indicator is displayed on the screen when this switch is pressed The unit will stop operation if you continue to press this button if pressed for more than 5s the un...

Page 9: ...me 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 fan speed restarts 1 Special Remarks To protect compressor it will be continue to be off for at least 3 minutes once it has stopped 5 minutes protection Compressor must run running In this 5 minutes compressor will not stop even if the room at least...

Page 10: ...time to clean the filter when the filter icon add filter icon turns on Step 2 Cancel the setting Press Emergency switch to return to the standard state 3 2 Take Out the Filter Take out the air filter according to the following steps Step 1 Open the air inlet grille after pushing the two knobs as shown by the arrow mark Step 2 Take out the air filter from the air inlet grille by supporting the air ...

Page 11: ...s or windows are open Check if the temperature condition is within the operation range 4 4 This is Not Abnormal Smells from indoor unit Smell adheres on indoor unit after a long period of time Clean the air filter and panels or allow a good ventilation Sound from Deforming Parts During system starting or stopping a sound might be heard However this is due to thermal deformation of plastic parts It...

Page 12: ...Compressor Accumulator 4 way valve Heat exchanger Liquid piping Heating cycle Cooling cycle INDOOR UNIT OUTDOOR UNIT Heat exchanger EEV Service valve Outdoor unit Outdoor unit Indoor unit Indoor unit Terminal Terminal Power supply Power supply SI L N SI L N Power connecting cord N L Terminal Terminal SI L N SI L N Power connecting cord N W U V ...

Page 13: ...nces other than the specified refrigerant such as air Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressure rise or rupture resulting in injury If any refrigerant has leaked out during the installation work ventilate the room After all installation is completed check to make sure that no refrigerant is leaking out The refrigerant produces a toxic gas...

Page 14: ...t outdoors If done an electric hazard or electric leakage will occur The Tools and Instruments for Installation The Installation of the Indoor Unit Number 1 2 3 4 5 6 7 Tool Standard screwdriver Vacuum pump Charge hose Pipe bender Adjustable wrench Pipe cutter Cross head screw driver Number 8 9 10 11 12 13 14 Tool Leveller Hammer Churn drill Knife or wire stripper Pipe expander Inner hexagon spann...

Page 15: ...pace B Down Slope Pitch of Drain Piping 1 25 1 100 H Consider the air distribution from the indoor unit to the space of the room and select a suitable location so that uniform air temperature distribution can be obtained in the room It is recommended that the indoor unit is installed 2 5 to 3 meters from the floor level Do not install flammable parts in the service space for the indoor unit Avoid ...

Page 16: ... switch B Install the indoor unit and components at least 3 meters from the electromagnetic wave radiator C Prepare a steel case and install the remote control switch in it Prepare a steel conduit tube and wire the remote control cable in it Then connect the ground wire with the box and the tube D Install a noise filter when the power supply emits harmful noises To avoid any corrosive action to th...

Page 17: ... every corner Where drain pipe can extend outside of the wall from the ceiling board It is preferable to have a special draining facility 575 to 590 570 Unit Size 400 610 3 2 3 Indoor Unit Installation 3 2 2 Height of Ceiling Board 13 Normally keep the ceiling board 2 5m 3m above the ground Pattern board for installation is placed in the packing Cut off the pattern for opening the false ceiling an...

Page 18: ...s just reveal the thread of the poles bars Take out the suspending poles with nut on one end mount them on the fixed suspending bracket then tighten the nuts and washers on top of the suspending brackets Mount the attached suspending brackets with bolts M8X50 on the roof surface suspension Make sure to tighten the bolts and nuts well The opening of brackets should face suspension suspension outwar...

Page 19: ...pening of False Ceiling and Suspension Bolts 3 Check to ensure that the ceiling is horizontally level otherwise drainage can not flow 4 Strengthen the opening parts of the false ceiling 5 Mount suspension bolts as shown in Fig 3 4 Fig 3 4 Mounting Suspension Bolts 150 to 160mm I Beam Suspension Boit W3 8 or M10 For Concrete Slab For steel Beam Insert 100 to 150kg Concrete Anchor Bolt W3 8 or M10 m...

Page 20: ...ower than the other part Tighten the nuts of the suspension brackets after the adjustment is completed Apply LOCK TIGHT paint to the bolts and nuts to prevent them from loosening Otherwise abnormal noises or sounds may occur and the indoor unit may fall down LOCK TIGHT paint Paint the lock bolts and nuts Adjust the indoor unit to the correct position while checking with the scale factory supplied ...

Page 21: ...tenance Indoor Unit Viewed from Bottom Side Surface of Ceiling Indoor Unit Slub 7 mm Surface of Flange 10 to 35 10 to 35 10 to 35 10 to 35 Attach the scale to the bottom side of the unit Attach the scale to the face of ceiling Check the dimension of opening at each side Adjust the height of the ceiling and the unit at each corner Checking Scale for Dimension of Opening Pattern Paper for Installati...

Page 22: ...all the unit at a place where the rain or wind between building can blow the fan directly The fan could be destroyed by strong wind when it blows the exchanger of the outdoor unit directly Be cautious of the sharp aluminum foil fins it can injure your hands if touched Only the service engineer can touch the outdoor unit 4 2 Installation 1 Use the washers provided as accessories to fasten the appli...

Page 23: ... Slope 1 200 1 250 1 To avoid storing too much oil in the oil trap the oil trap should be as short as possible 2 The horizontal piping should be slope down along the refrigerant flow direction to bring the oil back to compressor the slope is about 1 200 to1 250 3 In order to ensure cooling heating performance better the refrigerant piping should be as short and straight as possible If the total pi...

Page 24: ...supplied copper pipes Installation and Maintenance Model 3 Select clean copper pipes Make sure there is no dust and moisture inside Blow the pipes with nitrogen or dry air to remove dust and foreign materials before connecting pipes 5 2 The Piping Connection 1 Position of piping connection is shown in Fig 5 1 Indoor Unit Liquid pipe connector Gas pipe connector Hole for cords and cables Drain pipe...

Page 25: ...alve together tightly 4 Turn on the vacuum pump with the pressure lower than 755mm Hg for 5 minutes 5 With the vacuum pump still running demount the pipe of vacuum pump from the service valve Then stop the vacuum pump 6 Replace the bonnet on the service valve and fasten it securely with an adjustable wrench or box wrench 7 Using an adjustable wrench or box wrench remove the bonnet of both narrow a...

Page 26: ...rical wiring check to ensure that water flows smoothly as in the following procedure Checking with the Float Switch A Switch ON the power supply B Pour 1 8 liters of water into the drain pan C Check to ensure that the water flows smoothly or whether no water leakage occurs When water cannot be found at the end of the drain piping pour another 1 8 liters of water into the drain D Switch ON the powe...

Page 27: ...ope pitch of 1 25 to 1 100 The total length of a b c In case of lifting the drain pipe at outlet part perform the drain piping work as shown in the above figure 3 Insulate the drain pipe after connecting the drain hose Hose Band Accessory Hose Band Accessory Drain House Accessory Drain House Accessory 1 25 to 1 100 Down Slope Vinyl Chloride Field Supplied Drain Pipe Connection 850mm Max Unit Upwar...

Page 28: ...e electrical box 7 1 General Check 1 Make sure that the field selected electrical components main power switches circuit breakers wires conduit connectors and wire terminals have been properly selected according to the electrical data given in 9 Electrical installation Make sure that the components comply with National 2 Check to ensure that the power supply voltage is within 10 of the rated volta...

Page 29: ... mode according to the room temperature Set at lowest temperature when cooling mode and highest temperature when heating mode Check if the appliance can run well Installation of the appliance is generally finished after the above operations are done If you still have any trouble please contact local technical service center of our company for further information Pay attention to the following item...

Page 30: ...s and regulations when selecting field wires and all the above are the minimum size 2 The wire sizes marked in the table are selected at the maximus current of the unit according to the European Standard EN60335 1 Use the wires which are not lighter than the ordinary polychloroprene Place the round crimp style terminals on the wires up to the covered part and secure in place When connecting the te...

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Page 32: ...etailer 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 2017 Johnson Controls Air Conditioning Inc Hitachi Hitachi Johnson Controls Air Conditioning Inc The restriction note m...

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