Mitsubishi Electric CMY-Y100VBK2 Installation Manual

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31 24WARNINGMITSUBISHI ELECTRIC MULTI AIR CONDITIONERS OPTIONAL PARTSOutdoor Twinning Kit Installation ManualCMY-Y100VBK2, Y200VBK2, Y300VBK2• For safe and correct use, please read this installation manual thoroughly before installation.For your safety, follow the instructions with WARNING and CAUTION symbols.Safety Precautions• Before installing the unit, make sure you read all the “Safety precautions”.• These precautions provide very important points regarding safety. Make sure you follow them.• The following symbols are intended to alert the presence of danger in case of miss-operation.Ask the dealer or an authorized technician to installthe unit.• Improper installation may result in problems such as gasleakage.Do not modify the unit in any way. Ask your dealer torepair the air conditioner.• Improper installation by the user may result in water leakage,electric shock, or fire.If refrigerant gas leaks during installation work,ventilate the room.• If the refrigerant gas comes into contact with a flame, poisonousgases will be released.Install the unit according to this Installation Manual.• Select appropriate twinning types and sizes of connecting pipes.If inappropriate types or sizes are connected, the air condition-ing system cannot deliver the expected performance.When installing or moving the unit, make sure thatthe specified refrigerant (R410A only) is charged intothe refrigerant circuit.• Any presence of foreign substance or even air can causeabnormal pressure rise or explosion.After the installation is completed, make sure that therefrigerant gas is not leaking.• If the refrigerant gas leaks into the room, and it is exposed to afan heater, space heater, kitchen range, or some other heatsource, it may generate a noxious gas.Safely dispose of the packing materials.• Tear up and throw away any plastic packaging bags so thatchildren will not play with them. If children play with a plasticbag which has not been torn apart, they run the risk ofsuffocation.Do not touch the refrigerant pipes during andimmediately after operation.• During and immediately after the operation, the parts of therefrigerant circuit including the refrigerant piping or thecompressor may be hot or cold, depending on the condition ofthe flowing refrigerant. To prevent the risk of frostbite or burns,do not touch these parts with bare hands.1. Confirming the Supplied PartsThe twinning kit box (CMY-Y100VBK2, CMY-Y200VBK2, and CMY-Y300VBK2) contains thefollowing twinning and accessory piping parts. Make sure that the kit contains all of theseparts.After checking, prepare the twinning kit by connecting the twinning pipes b, c, and d to thetwinning pipe a.*Always use the twinning pipes included in the kit when preparing the twinning kit.Depending on the model type, the size of the field piping may be different from the pipe sizeof the twinning kit. In such a case, connect the following accessory piping parts to the kit.(1) Twinning pipes* For general instructions on the installation of an outdoor unit, follow the Installation Manual for the outdoor unit.CAUTIONTwinning aInsulation coverTwinning kitPipe b (Before the twinning) Pipe c (After the twinning)L-shape pipe d (After the twinning)Twinning kitL-shape pipe d (After the twinning)Insulation coverTwinning aPipe b (Before the twinning) Pipe c (After the twinning)ModelCMY-Y100VBK2CMY-Y200VBK2CMY-Y300VBK2SectionLiquidGasLiquidGasLiquidSecond rowLiquidFirst rowGasSecond rowGasFirst rowLebelADCBA (Red)C (Red)D (Red)B (Red)Twinning a15.88×12.7×12.728.58×25.4×25.419.05×15.88×15.8831.75×28.58×28.5815.88×12.7×12.719.05×15.88×15.8828.58×25.4×25.431.75×28.58×28.58Pipe b (Before the twinning)OD15.88-ID15.88L83OD28.58-ID28.58L342OD19.05-ID19.05L85OD31.75-ID34.93L337OD15.88-ID19.05L85OD19.05-ID19.05L85OD28.58-ID34.93L337OD31.75-ID38.1L339Pipe c (After the twinning)OD12.7-ID12.7L128OD25.4-ID22.2L190OD15.88-ID15.88L123OD28.58-ID28.58L192OD12.7-ID12.7L128OD15.88-ID19.05L125OD25.4-ID28.58L192OD28.58-ID34.93L187L-shape pipe d (After the twinning)OD12.7-ID12.7OD25.4-ID22.2OD15.88-ID15.88OD28.58-ID28.58OD12.7-ID12.7OD15.88-ID15.88OD25.4-ID28.58OD28.58-ID28.58Insulation coverSmallLargeSmallLargeSmallSmallLargeLargeInstruction1(This sheet)(2) Accessory piping parts(3) Field supplied parts• Field supplied parts that do not come with the twinning kit• Heat-resistant insulation material (for field piping)• Insulation cover fixing tape2. Selecting the Size of the Refrigerant Pipe and How to Use the Twinning Kit(1) PUHY-P500 – P900, EP400 – EP650(Outdoor unit × 2)1 Prepare the pipe to be connected in the field.2 Select the pipe size for each part from the table below. A (*)mark after a pipe size indicates that the specified pipe size inthe following table can be obtained by connecting the acces-sory piping to the twinning kit.3 Cut the pipe with a pipe cutter and remove the burr. Connectthe pipe after removing any dust or foreign matter.PUHY-P500 – P900(2) PUHY-P950 – P1250, EP700 – EP900(Outdoor unit × 3)1 Prepare the pipe to be connected in the field.2 Select the pipe size for each part from thetable below. A (*) mark after a pipe sizeindicates that the specified pipe size in thefollowing table can be obtained by connectingthe accessory piping to the twinning kit.3 Cut the pipe with a pipe cutter and remove theburr. Connect the pipe after removing any dustor foreign matter.PUHY-EP400 – EP650Outdoor unit 2Outdoor unit 1 Outdoor unit 3To Indoor unitTo Indoor unitbadcjighefLiquid 1 twinning pipe Liquid 2 twinning pipeGas 1 twinning pipe Gas 2 twinning pipeOutdoor unit 3Outdoor unit 1 Outdoor unit 2To Indoor unitTo Indoor unitLiquid 1 twinningpipeGas 1 twinning pipeabcdefghLiquid 2 twinning pipeGas 2 twinning pipeij(5) The piping connectionWhen connecting the twinning kit to the outdoor unit, note the following:· If the length of piping from the twinning kit to the outdoor unit is more than 2 m (6 ft), install a trap within 2 m (6 ft) fromthe outdoor unit.The height of the trap must be 200 mm (7 inch) or higher.PUHY-P950 – P1250(3) The angle of tilt of the twinning pipeThe angle of tilt of the twinning pipe should be within ±15° with theground.Tilting the twinning pipe more than specified will cause damage to theunit.(4) The length of the straight part of the pipe before the twinningFor the twinning kit, always use the accessory piping parts. The lengthof the straight part of pipe connected in front of the twinning pipe mustbe 500 mm (19 inch) or longer. (Connect the field piping so that thelength of the straight part of pipe connected in front of the twinning pipecan be 500 mm (19 inch) or longer.)If the length is less than 500 mm (19 inch), it will cause damage to theunit.<2 m (6 ft) or less> · When installing the twinning kit in a higherposition than the outdoor unit base, make surethat the twinning kit is installed in a positionlower than 200 mm (7 inch) from the outdoorunit base.To Indoor unit2 m (6 ft)2 m (6 ft)To Indoor unitPUHY-EP700 – EP900Less than2 m (6 ft)To Indoor unit200 mm (7 inch)or overLess than2 m (6 ft)To Indoor unit200 mm (7 inch)or overReducer±15°The angle of tilt of the reducer should be within±15° with the ground.Note: See the following drawing for the fitting positionof the twinning pipe.Note: See the following drawing for the fitting positionof the twinning pipe.The angle of tilt of the reducer should be within±15° with the ground.Reducer±15°3. Example of a Pipe ConnectionSee the following drawing for connecting the pipes between the outdoor units.4. Installing the Insulation CoverAfter brazing the pipes and the twinning kit, insulate the twinning kit with the insulation cover.Add insulation materials on all the refrigerant piping, including the field piping. Make sure to insulate the pipes for liquid and gasseparately. When using commercially available insulation material, make sure to use heat-resistant insulation material with heat-resistant temperature of 120 °C or higher.Align the edges of the insulation cover and the heat-resistant insulation material so that there will be no gap. Seal also the peripheryand centre of the twinning part with a tape (field supply).Tape (field supply)Lapped space of tapingInsulation cover Insulation material(field supply)As the insulation covercontracts slightly, conducttaping in the field securely byproviding lapped parts asshown in the left, so that no gapwill exist on the insulation coverand field supply insulationmaterial.Tape (field supply)Insulation cover Insulation material(field supply)Lapped space of tapingThe insulation covershrinks slightly, so wrap theinsulation cover and thefield-installed insulationmaterial securely with tapeby overlapping the tape asshown left.Field pipingField pipingInsulation material (field supply)Insulation material(field supply)Field pipingTwinning kitInsulation coverTape (field supply)Tape (field supply)Twinning kitField pipingInsulation material (field supply)Field pipingInsulation coverField piping Insulation material(field supply)Tape (field supply)Tape (field supply)Field pipingField pipingTwinning kitThe length of the straight pipe mustbe 500 mm (19 inch) or longer.Field pipingTwinning kitThe length of the straight pipe must be500 mm (19 inch) or longer.Field pipingField pipingField pipingTwinning kitField pipingTwinning kitThe length of the straight pipe mustbe 500 mm (19 inch) or longer.The length of the straight pipe mustbe 500 mm (19 inch) or longer.Field pipingTwinning kitThe length of the straight pipe mustbe 500 mm (19 inch) or longer.Field pipingTwinning kitField pipingThe length of the straight pipe mustbe 500 mm (19 inch) or longer.Outoor unit 2Outoor unit 1 Outoor unit 3Twinning 1Less than200 mm(7 inch)Twinning 2To Indoor unitTo IndoorunitLess than200 mm (7 inch)Twinning 1 Twinning 2Outdoor unit 1 Outdoor unit 2 Outdoor unit 3WT05134X01ModelCMY-Y100VBK2CMY-Y200VBK2CMY-Y300VBK2SectionLiquidGasLiquidGasLiquidGasOD12.7-ID9.52 (2)OD22.2-ID28.58OD15.88-ID12.7 (2)OD34.93-ID41.28OD12.7-ID9.52OD28.58-ID22.2 (3)OD15.88-ID12.7OD22.2-ID19.05 (2)OD12.7-ID15.88 (2)OD38.1-ID41.28 (1)OD15.88-ID9.52OD28.58-ID19.05 (2)OD15.88-ID12.7OD38.1-ID34.93Supplied pipeOutdoor unit 2Outdoor unit 1To Indoor unitfedcbaLiquid twinning pipeGas twinning pipeTo Indoor unitOutdoor unit 1 Outdoor unit 2To Indoor unitTo Indoor unitLiquid twinning pipeGas twinning pipeabcdefThis symbol indicates that failure to follow the instructions exactly as stated poses the risk of serious injury or death.This symbol indicates that failure to follow the instructions exactly as stated poses the risk of injury or damage to theunit and other property.WARNINGCAUTIONSet UnitLiquidGasabIndoor – TwinningTwinning TypeSet modelUnit 1Unit 2PUHY-P500PUHY-P250PUHY-P250PUHY-P550PUHY-P300PUHY-P250PUHY-P600PUHY-P350PUHY-P250PUHY-P650PUHY-P350PUHY-P300PUHY-P700PUHY-P350PUHY-P350PUHY-P750PUHY-P400PUHY-P350PUHY-P800PUHY-P450PUHY-P350PUHY-P850PUHY-P450PUHY-P400PUHY-P900PUHY-P450PUHY-P450CMY-Y100VBK2ø15.88ø28.58CMY-Y200VBK2ø19.05ø41.28 (*)ø34.93Set UnitLiquidGasabIndoor unit -Twinning pipeOutdoor Twinning Kit (optional parts)Set modelOutdoor unit 1Outdoor unit 2PUHY-EP400PUHY-EP200PUHY-EP200PUHY-EP450PUHY-P250PUHY-EP200PUHY-EP500PUHY-EP300PUHY-EP200PUHY-EP550PUHY-EP300PUHY-P250PUHY-EP650PUHY-P350PUHY-EP300CMY-Y100VBK2PUHY-EP600PUHY-EP300PUHY-EP300ø15.88ø28.58Set UnitLiquidGasLiquidGasabcdIndoor – Twinning 2Twinning 1 – Twinning 2Twinning TypeSet modelUnit 1Unit 2Unit 3CMY-Y300VBK2ø19.05ø41.28 (*)ø19.05ø34.93PUHY-P950PUHY-P400PUHY-P300PUHY-P250PUHY-P1000PUHY-P400PUHY-P300PUHY-P300PUHY-P1050PUHY-P400PUHY-P350PUHY-P300PUHY-P1100PUHY-P400PUHY-P350PUHY-P350PUHY-P1150PUHY-P450PUHY-P350PUHY-P350PUHY-P1200PUHY-P450PUHY-P400PUHY-P350PUHY-P1250PUHY-P450PUHY-P450PUHY-P350Unit modelP250P300P350P400P450EP200EP300Liquidc or eø9.52 (*)ø12.7ø12.7 (*)ø15.88ø15.88ø9.52ø12.7Gasd or fø22.2ø22.2ø28.58ø28.58ø28.58ø19.05ø22.2Twinning pipe - Outdoor unitSet UnitOutdoor Twinning Kit (optional parts)Set modelUnit 1Unit 2Unit 3ø19.05ø34.93LiquidGasLiquidGasabcdCMY-Y300VBK2PUHY-EP700PUHY-EP300PUHY-EP200PUHY-EP200PUHY-EP750PUHY-EP300PUHY-P250PUHY-EP200PUHY-EP800PUHY-EP300PUHY-EP300PUHY-EP200PUHY-EP850PUHY-EP300PUHY-EP300PUHY-P250PUHY-EP900PUHY-EP300PUHY-EP300PUHY-EP300ø41.28ø34.93ø19.05Indoor unit -Twinning pipe 2Twinning pipe 1 –Twinning pipe 2Unit modelP250P300P350P400P450EP200EP300Liquide or g or iø9.52 (*)ø12.7ø12.7 (*)ø15.88ø15.88ø9.52ø12.7Gasf or h or jø22.2ø22.2ø28.58ø28.58ø28.58ø19.05ø22.2Twinning pipe - Outdoor unit

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