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Installation & Maintenance Manual INVERTER-DRIVEN MULTI-SPLIT SYSTEM HEAT PUMP AIR CONDITIONERS Type Model RCI-1.0FSN3 RCI-1.5FSN3 RCI-2.0FSN3 RCI-2.5FSN3 4-Way Cassette RCI-3.0FSN3 RCI-4.0FSN3 RCI-5.0FSN3 RCI-6.0FSN3 IMPORTANT: READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS HEAT-PUMP AIR CONDITIONERS. KEEP THIS MANUAL FOR P5414946 FUTURE REFERENCE.
It is assumed that this heat pump air conditioner will be operated and serviced by English speaking people. If ths s not the case, the customer should be add safety, cauton and operatng sgns n the natve language. l If you have any questions, contact your distributor or dealer of HITACHI. l This manual gives a common description and information for this heat pump air conditioner which you operate as well for other models.
Check the model number, electrical characteristics (power supply, voltage and frequency) and accessories to determne f they are correct. The standard utlzaton of the unt shall be explaned n these nstructons. Therefore, the utlzaton of the unt other than those ndcated n these nstructons s not recommended. Please contact your local agent, as the occason arses. HITACHI’s liability shall not cover defects arising from the alteration performed by a customer without HITACHI’s consent in a written form. P5414946-rev.3...
TABLE OF CONTENTS 1. Safety Summary .............................1 2. Structure ................................5 2.1 Name of Parts ............................5 2.2 Refrgerant Cycle ............................6 2.3 Necessary Tools and Instrument Lst for Installaton ................7 3. Transportaton and Handlng ...........................7 3.1 Transportaton ............................7 3.2 Handlng of Indoor Unt ...........................7 4. Indoor Unt Installaton ............................8 4.1 Factory-Suppled Accessores ........................8 4.2 Initial Check ............................9 4.3 Installaton ............................10 4.3.1 Openng of False Celng and Suspenson Bolts.................10 4.3.2 Mountng Poston of the Indoor Unt ................... 11 4.3.3 Mountng the Indoor Unt ......................12 4.3.4 Adjusting the Space between Indoor Unit and False Ceiling Opening ........12...
1. Safety Summary < Signal Words > l Signal words are used to identify levels of hazard seriousness. Definitions for identifying hazard levels are provided below with their respective signal words. DANGER : DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING : WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury.
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DANGER l Do not perform the installation work, refrigerant piping work, drain pump, drain piping and electrical wiring connection without referring to our installation manual. If the instructions are not followed, it may result in a water leakage, electric shock or a fire. l Use the specified non-flammable refrigerant (R410A) to the outdoor unit in the refrigerant cycle.
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WARNING l Do not use any sprays such as an insecticide, lacquer or hair spray, or other flammable gases within approximately one (1) meter from the system. l If the circuit breaker or fuse is often activated, stop the system and contact your service contractor. l Check that the ground wire is securely connected.
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NOTICE l Do not install the indoor unit, outdoor unit, remote control switch and cable within approximately 3 meters from strong electromagnetic wave radiators such as medical equipments. l Supply electrical power to the system to energize the oil heater for 12 hours before startup after a long shutdown.
2. Structure Name of Parts ( P-AP160NA1 without Motion Sensor P-AP160NAE with Motion Sensor) Part Name Remarks Model RCI-1.0FSN3 1.7 6.35 Fan Motor RCI-1.5FSN3 1.7 6.35 Heat Exchanger RCI-2.0FSN3 15.88 6.35 Distributor RCI-2.5FSN3 15.88 9.5 Strainer RCI-3.0FSN3 15.88 9.5 Micro-Computer Control Expansion Valve RCI-4.0FSN3...
Refrigerant Cycle Indoor Unit : Refrigerant Flow Direction (Cooling) : Refrigerant Flow Direction (Heating) : Field Refrigerant Piping : Flare Connection Refrigerant Gas Pipe Connection ( ) Refrigerant Liquid Pipe Connection ( ) Mark Part Name Heat Exchanger Distributor Strainer Micro-Computer Control Expansion Valve 1.0, 1.5 2.5 to 6.0...
4. Indoor Unit Installation Factory-Supplied Accessories Check to ensure that the following accessories are packed with the indoor unit. Do not install the indoor unit in a flammable The hose band, screws, washers and plastic bands environment to avoid fire or an explosion. are put in the pipe insulation.
Initial Check • The sensing area for the motion sensor is shown in the figure below when applying the motion • Install the indoor unit with a proper clearance sensor with the air panel. around it for operation and maintenance working space, as shown in Fig.
4.3 Installation 4.3.1 Opening of False Ceiling and Suspension (C) Prepare a steel box and install the remote Bolts control switch in it. Prepare a steel conduit tube and wire the remote control cable in it. (1) Determine the final location and installation Then, connect the ground wire with the box direction of the indoor unit paying careful and the tube.
Steel Anchor Bolt (W3/8 or M10) φ30 • For Steel Beam Ceiling Surface * indicates the dimension between lower face of indoor unit and surface of ceiling. Model RCI-1.0FSN3 1.7 6.35 I Beam RCI-1.5FSN3 1.7 6.35 RCI-2.0FSN3 15.88 6.35 Suspension Bolt RCI-2.5FSN3...
4.3.3 Mounting the Indoor Unit 4.3.4 Adjusting the Space between Indoor Unit and False Ceiling Opening (1) Mount the nuts and washers to the suspension bolts. (mm) Suspension Bolt (Field-Supplied) l Check the level of the drain pan using a water Nut (Field-Supplied) level to avoid incorrect operation of the drain Washer with Insulation discharge mechanism in the indoor unit. (Accessory) l Tighten the nuts of the suspension brackets Suspension Bracket (Attached Indoor Unit) after the adjustment is completed. Apply Washer (Accessory)
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(b) For Ceiling Opening already Completed (d) Ceiling Not Completed with Panels yet When the opening is already completed, When the false ceiling is not completed cut off the checking scale for the yet, attach the pattern board to the indoor dimension of opening and adjust the unit with the screw (M6), as shown in the clearance between the indoor unit and the...
NOTE: Model Gas Piping Liquid Piping Pay attention to the distance between the indoor RCI-1.0FSN3 f1.7 (1/2) f6.35 (1/4) unit and the false ceiling. If it is 17mm or more, it RCI-1.5FSN3 may cause dew condensation by leaking air from RCI-2.0FSN3...
Piping Connection (1) Position of piping connection is shown in (3) Apply the refrigerant oil in a thin layer to the Fig. 5.1. (Indoor Unit) inside of the flaring part of the pipe before tightening the flare nut. And the flare nut must be tightened using two spanners (mm) according to the tightening torque as shown...
6. Drain Piping Perform the drain piping work and attaching the (8) Do not touch the refrigerant pipes to low insulations before the refrigerant piping work. strength portions of walls or ceilings. If not, it may cause abnormal sound or vibration. (9) Perform the air tight test.
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(3) Connecting Drain Piping < In Case of not Using Adhesive due to Relocating Indoor Unit in Future > (a) Connect the factory-supplied drain hose to the drain pipe connection with the * Fully insert the drain hose to the end of the polyvinyl chloride adhesive. Perform drain pipe connection as shown in Fig. 6.2. firmly cleaning the connection surface, If not, or twisted, it will cause water leakage.
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(f) Lifting Drain Piping (5) Drainage and Water Leakage Check Perform with the dimension as shown in After performing the drain piping work the figure below in the case of lifting the and the electrical wiring, check to ensure drain pipe. The total drain piping length of that water flows smoothly as the following a+b+c shall be within 1,100mm.
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l Simplified operation of Drain-up mechanism The following is the simplified operation procedure of the drain-up mechanism. l Drain water which is poured to the drain pan to check the drainage in the heating season should a) Turn OFF the power supply. be drained completely from the drain pan.
7. Electrical Wiring l The electrical wiring work must be performed The procedure of the wiring work shall be by authorized installers. If not, it may cause performed according to this manual and “Installation an electric shock or a fire. & Maintenance Manual” of the outdoor unit. l Perform the electrical work according to each regulation of region and “Installation General Check & Maintenance Manual”, and the dedicated electrical circuit must be utilized. If not (1) Make sure that the field-selected electrical performing the electrical wiring work components (main power switches, circuit...
3) The wire sizes marked with *2 in the above table are selected at the maximum current of the unit according to the wire, MLFC (Flame Retardant Polyflex Wire) manufactured by Hitachi Cable Ltd., Japan. 4) Use a shielded cable for the transmitting circuit and connect it to ground.
7.2.2 Details of Electrical Wiring Connection The electrical wiring capacity of the outdoor unit should be referred according to “Installation & Maintenance Manual” of the outdoor unit. Setting Dip Switch may be required depending on the combination with the outdoor unit. NOTE: When installing the unit in Australia, connect the both ends of shielded twist pair cable (remote control switch cable and control cable) to the earth.
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< Case B > l Wiring Connection (Single Indoor Unit) Power Source Type: 3 Phase 4 Wires < 3f 380-415V/50Hz > 220-240V / 50Hz 380V-415V / 50Hz (3N~) *1, *2 Remote Control Switch (Option) Main Main Switch Switch Outdoor Unit Indoor Unit L2L3 N Earth Wiring Remote Control Switch Cable...
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l Wiring Connection (Twin, Triple and Quad Combinations for Simultaneous Operation) Power Source Type: 3 Phase 4 Wires < 3f 380-415V/50Hz > 220-240V / 50Hz 380V-415V / 50Hz (3N~) *1, *2 Remote Control Switch (Option) Main Main Switch Switch Outdoor Unit Indoor Unit No.1 Indoor Unit No.2 Indoor Unit No.3...
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l Wiring Connection (Twin, Triple and Quad Combinations for Individual Operation) Power Source Type: 3 Phase 4 Wires < 3f 380-415V/50Hz > 220-240V / 50Hz 380V-415V / 50Hz (3N~) *1, *2 Remote Remote Remote Remote Control Switch Control Switch Control Switch Control Switch (Option) (Option)
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Table 7.1 Recommended Wiring Capacity and Size for UTOPIA Series Model Main Switch Wiring Capacity (mm Transition Wiring Transition Rated Rated Fuse Power Remote between O.U. and I.U. Wiring Current Current Capacity Source Earth Control between Power Cable Wiring Switch Combination Control Indoor Supply...
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(manufactured by HITACHI Cable Co. Ltd.)) or 2 core twist pair cable (equivalent to following cables: KPEV or KPEV-S (manufactured by HITACHI Cable Co. Ltd.)) for the control cable between the outdoor unit and the indoor unit. The total cable length should be less than 1000m.
Position of Electrical Wiring Connection l Do not connect the main power source cables to the control line (Terminals A, B, 1 and 2 of TB2). l Tightly secure wirings to the terminal If connected, the printed circuit board (PCB) will board according to the specified torque. If be broken.
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(8) When installing the unit in Australia, connect (9) The wiring work for the indoor unit should be the both ends of shielded twist pair cable performed according to the electrical wiring (remote control switch cable and control diagram and “Installation & Maintenance cable) to the earth as shown bellow.
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(c) Simultaneous Operation (c) Connecting Remote Control Switch in (The indoor unit is H-LINK II model.) Case of Connecting between Refrigerant Cycles Indoor Unit Outdoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Outdoor Unit Outdoor Unit l The simultaneous Remote operation is available...
Transition Wiring for Remote Control Switch In the twin, triple, and quad combination of indoor units, the transition wiring for the remote control switch is not required. However, when connecting indoor units without transition wiring for remote control switch, the followings are limited. Power Source Wiring (1) The following functions are available to set only to the main unit with the remote control switch PC-ARF.
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(d) Connecting to Wall Type Indoor Unit with Receiver The transition siring is required when the wall type indoor unit (with receiver) is connected. Wall Type Wall Type Main Main Incorrect Correct (3) The address of indoor unit can not be changed from the remote control switch. (4) This indoor unit is adopted four (4) steps of fan speed (HIGH 2, HIGH, MED and LOW).
7.4.1 Cautions for Individual Louver Setting (1) The individual louver setting is available up to 16 indoor units by one remote control switch. The connection more than 17 indoor units are not available. Individual Louver Individual Individual Individual Individual Louver Louver Louver Louver Remote Control Switch (PC-ARF)
7.4. Cautions for Air Panel with Motion Sensor (1) The air panel with motion sensor can be connected up to 16 indoor units by one remote control switch (PC-ARF). The air panel with motion sensor will be activated even if it is installed together with the air panel without motion sensor, (2) When the multiple indoor units with motion sensor are controlled by one remote control switch (PC-ARF), the transition wiring for remote control switch is required to all the indoor units.
< Use Conditions and Precaution Statements > (1) The motion sensor detects the change of the infrared light. Therefore, it may detect the moving objects such as small animals which are difference in temperature against atmosphere. Additionally, it may detect as absence in the case of staying for long time with a bit motion or a rapid motion. DO NOT install the air panel with motion sensor (P-AP160NAE) in the following places.
Wiring Connection Dip Switches Setting The wiring connection for the indoor unit is shown (1) Turn OFF all the power supply of the indoor in the figure below. unit and the outdoor unit before Dip Switch setting. If not, the setting is invalid. Cord Clamp Piping Cover (2) The positions of Dip Switches on PCB are...
(5) Unit Model Code Setting (DSW4) Function Selection No setting is required. by Remote Control Switch It is for setting the model code Each function can be selected from the remote of the indoor unit. control switch (PC-ARF). 1 2 3 4 Refer to “Installation & Maintenance Manual” and Technical Catalog of the remote control switch for details.
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< Individual Louver Setting Procedure > (1) Press and hold “ ” (menu) during the normal mode (when Menu 15:10(Fri) unit is operated). The menu will be displayed. Louver Setting Louver Open/Close VENTI (2) Select “Louver Setting” from the menu and press “OK”. Total Heat Exchanger SET The louver setting will be displayed.
8. Test Run (3) Check to ensure that each wire is correctly connected at the power source. If incorrectly Test run should be performed according to this connected, the unit will not operate and the manual and “Installation & Maintenance Manual” of remote control switch will indicate the alarm the outdoor unit.
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2) The total number of the indoor units (c) Press “ ” or “ ”, select “LOUV.” and connected is indicated on the LCD select “ ” (auto swing) by pressing “ ” (Liquid crystal display). The case of the or “...
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2) Select “Check 1” at the check menu 7) Check that the value of “q1” is neither and press “OK”. (screen “B” will be 0% nor 100%. displayed.) If the value is indicated 0% or 100%, (This screen is NOT displayed when the reperform the procedure from item 5).
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• The run indicator on the remote control switch flashes when some abnormalities such as protection devices activated, etc occur during the test run. In addition, the alarm code, the unit model code and the connected number of indoor units will be displayed as shown in the figure below.
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Alarm (Abnormality) Code Table Code Category Content of Abnormality Leading Cause Activation of Protection Device Activation of Float Switch (High Water Level in Indoor Unit (Float Switch) Drain Pan, Abnormality of Piping) Activation of Protection Device High Pressure Cut (R410A: 4.15MPa), Fan Motor Outdoor Unit (except Alarm Code: 41, 42) Locking for Outdoor at Cooling Operation...
9. Safety and Control Device Setting Indoor Unit RCI-1.0FSN3, RCI-1.5FSN3, RCI-4.0FSN3, RCI-5.0FSN3, Model RCI-2.0FSN3, RCI-2.5FSN3, RCI-6.0FSN3 RCI-3.0FSN3 For Evaporator Fan Motor Thermostat Cut-Out Cut-In For Control Circuit Fuse Capacity Freeze Protection Thermostat Cut-Out Cut-In Thermostat Differential All the installation work of the air conditioning is completed.
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P5414946-rev.3, 2013 Prnted n Japan URL: http://www.hitachi-ap.com...
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