Summary of Contents for CLIVET MULTISplit MU2-Y Series
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OUTDOOR UNIT MULTISplit ODU-SM 2 MU2-Y series from 41M to 125M M0NV00002-00 09-2024...
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Indicates that the appliance uses a flammable refrigerant. WARRANTY The product CLIVET is covered by a conventional warranty, valid from the date of purchase of the appliance, the conditions of which are specified in the GENERAL CONDITIONS OF SALE available at www.clivet.com WARNING –...
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INDEX General Details ..........4 4.5 Operate safely with R32 refrigerant present 31 General warnings and safety rules 5 Disposal ............35 1.2 Description of system components 6 Notions on refrigerant piping connection .. 36 1.3 Accessories 1.4 Identification 6.1 Refrigerant piping connections 6.1.1 Cut the pipes 2 Installation ............
WARNING – This manual is the property of CLIVET and reproduction or transfer to third parties of the contents of this document is prohibited. All rights reserved. It is an integral part of the product; make sure that it is always supplied with the appliance, even in case of sale/transfer to another owner, so that it can be consulted by the user or by personnel authorized to carry out maintenance and repairs.
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General Details CAUTION DANGER – When connecting refrigerant piping,keep substances or gases other than the specified refrigerant from entering the unit. The presence of other gases or substances can reduce unit performance and cause an abnormal increase in pressure in the refrigeration cycle. This can lead to explosion hazards and resulting injuries.
General Details Description of system components Indoor units 5 ° . . . n°4 . . . n°3 n°2 n°1 n°1 n°2 n°5 n°4 n°3 Fig. 1 Air inlet 6 Flexible drainage hose Air outlet 7 Electrical connection 1 Wall mounting plate 8 Refrigerant piping 2 Indoor unit 9 Outdoor unit power supply...
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General Details When multiple indoor units are connected to a single outdoor unit, make sure that the length of the refrigerant pipe and the level difference between the indoor units and the outdoor one meet the conditions given in the diagram below: Indoor unit Unità...
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General Details Accessories The air conditioning system is provided with the following accessories. Use all specified installation components and accessories to install it. Incorrect installation may cause water leakage, electric shock and fire, or cause the unit to malfunction. Description Aspect Quantity Gasket...
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General Details Identification The indoor unit and the outdoor unit can be identified by the serial number label that shows the technical and perfor- mance data of the unit and what is required by the legislation in force. Serial number label Outdoor unit Fig.
Installation 2 INSTALLATION Installation - preliminary warnings WARNING Product receiving Before installing the indoor unit, consult the label on the product package to check that the The appliance is supplied packed. Handling must be model number matches the model number of carried out by appropriate means in view of the overall the outdoor unit.
Installation Outdoor unit installation WARNING minimum distance between 2.4.1 Installation Site outdoor unit and the walls does not apply to hermetically sealed rooms. Make sure that the Before installing the outdoor unit, you must choose an unit does not have any obstructions in at least appropriate position.
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Installation 2.4.3 Mounting the outdoor unit If the unit is often exposed to heavy rain or snow: Install a canopy above the unit to protect it from rain The outdoor unit can be fixed to the floor or to a wall or snow.
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Installation If the unit is to be installed on the floor or on a concrete If the unit is to be installed on a wall-mounted bracket, mounting platform, proceed as follows: proceed as follows: 1 Mark the positions of the four expansion bolts CAUTION DANGER according to the measurements shown in the Before installing a wall unit, make sure the wall...
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Installation 2.4.4 Connecting the indoor units If there is a 70M indoor unit, it must be connected to connection “A” (see “Fig. 10”). Outdoor Connec- Pipes Dimensions unit tion Liquid 1/4” 6.35 mm 3/8” 9.52 mm Liquid 1/4” 6.35 mm (DUAL) 3/8”...
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Installation Connections between the indoor and outdoor units that require adapters To connect pipes of different sizes, an adapter fitting to be installed on the outdoor unit is required. Below are the configurations Outdoor unit Standard gas pipe Size of indoor Liquid pipe adapter Gas pipe adapter unit to be...
Installation 2.4.5 Electrical connections 4 Match the colours/labels of the cables to the labels on the terminal block, then screw the U-shaped wire Cables with the following characteristics are required to terminal of each cable firmly to the corresponding power the outdoor unit: terminal block.
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Installation Connection with indoor units Declaration on the emission of harmonic Indoor units have two different types of terminal blocks current for the electrical connections: The MU1-Y 125M appliance complies with – terminal block for WALL model indoor unit (“Fig. IEC 61000-3-12 provided that the short-circuit 12”) power Ssc on the connection point of the...
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Installation 41M - 53M models S(2) S(A) N(A) L(A) Morsettiera OUTDOOR unit unità ESTERNA terminal block S(1): not used S(1) S(B) N(B) L(B) S(2): not used dalla morsettiera from the terminal block dell’unità INTERNA 1 of INDOOR unit 1 230V~50Hz from the terminal block dalla morsettiera of INDOOR unit 2...
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Installation 82M - 105M models OUTDOOR unit terminal block Morsettiera unità ESTERNA L(A) N(A) S(A) L(B) N(B) S(B) L(C) N(C) S(C) L(D) N(D) S(D) 230V~50Hz from the terminal block from the terminal block from the terminal block dalla morsettiera dalla morsettiera dalla morsettiera of INDOOR unit 1 of INDOOR unit 2...
Starting up the system 3 STARTING UP THE SYSTEM 3 Open the low pressure side of the manifold gauge assembly. Keep the high pressure side closed. 4 Activate the vacuum pump to evacuate the system. Air evacuation 5 Keep the vacuum pump running for at least 15 minutes, or until the low pressure gauge indicator The presence of air and foreign substances in the reads -76 cmHG (10...
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Starting up the system 3.1.1 Refrigerant charge DURING THE OPERATIONAL TEST Electrical dispersion control The unit is factory pre-charged with refrigerant; below are During the operational test, use an electrode and the pre-charge values: multimeter to conduct a complete electrical leakage test. If an electrical leakage is detected, turn the unit off Unit immediately and consult a qualified electrician to identify...
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Starting up the system 4 Leave each function active for 5 minutes and perform IF THE ROOM TEMPERATURE IS BELOW 16°C the following checks: If the room temperature is below 16°C, you cannot use the remote control to activate the cooling function (COOL). List of checks to be performed YES/NO In this case, you can use the MANUAL CONTROL button...
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Starting up the system Automatic correction function for connection errors of cables and pipes The unit is equipped with the automatic correction function for errors relating to wiring and pipes. Example of correct electrical and refrigeration connections Indoor unit B Control switch Indoor unit A...
Maintenance 4 MAINTENANCE It is good practice to periodically clean both the internal and external parts of the appliance. This guarantees its proper functioning and durability. Carry out periodic maintenance of the appliance in accordance with the regulations in force. Maintenance must be carried out by qualified technical personnel.
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Maintenance Anomalies Possible causes Remedies The amount of refrigerant in the system Check for leaks and top up the coolant (Service is excessive or insufficient Centre) Incompressible gas has entered or Evacuate the system and recharge the The unit starts or stops moisture has penetrated the system.
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Maintenance Outdoor unit error codes Error code Description Possible causes / solutions EEPROM communication error Replace the circuit board of the Outdoor unit or Indoor unit Communication error between the Check wiring Indoor unit and the Outdoor unit Replace the circuit board of the Indoor unit or Outdoor unit Check wiring Communication error between IPM Replace IPM board...
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Maintenance Refrigerant leak High compressor drain temperature Replace temperature sensor High outdoor temperature High coil temperature Replace temperature sensor Insufficient ventilation / coil dirty Check wiring Check power supply voltage Insufficient ventilation IPM protection Replace IPM Replace main board Replace compressor Check wiring Indoor unit wiring error Replace the circuit board...
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Maintenance Outdoor unit error messages Error code Description EC 51 Outdoor EEPROM malfunction EL 01 Indoor / outdoor units communication error PC 40 Communication malfunction between IPM board and outdoor main board PC 08 Outdoor overcurrent protection PC 10 Outdoor unit low AC voltage protection PC 11 Outdoor unit main control board DC bus high voltage protection PC 12...
Maintenance Information menu Press the control switch to open the unit’s information menu. The first code “00” is shown on the LED display. Control Press the switch again to display code “01”. After 1.5 sec switch the code displayed alternates with its respective value. When the switch is pressed again, the next code is displayed.
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Maintenance Code Value displayed Notes Indoor unit A: environmental temperature - T.1.A Indoor unit B: environmental temperature - T.1.B if the temperature is lower than 0°C: the display shows “0” Indoor unit C: environmental if the temperature is higher than 50°C: the display shows “50” temperature - T.1.C if the unit does not communicate the display shows “--”...
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Maintenance Operate safely with R32 refrigerant present Area ventilation FLAMMABLE MATERIAL Before working on the system or performing hot The refrigerant used inside this unit is operations, make sure the area is open or adequately flammable. A coolant leak that is exposed to ventilated.
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Maintenance Repair of sealed components Leak detection methods The following leak detection methods are considered 10.1 While repairing sealed components, all electrical acceptable for systems containing flammable refrigerants. utilities must be disconnected from the equipment Electronic leak detectors can be used to detect before removing the sealing covers, etc.
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Maintenance Charging operations 10 After filling the cylinders correctly and completing the procedure, transfer the cylinders and equipment from In addition to conventional charging procedures, it is the site as soon as possible and close all isolation recommended to follow the ensuing guidelines: valves on the equipment.
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Maintenance Transport, marking and storage of units 1 Transport equipment containing flammable refrigerants – Follow applicable regulations related transporting these materials 2 Markings and signage on equipment – Observe the regulations in force 3 Disposing equipment containing flammable refrigerants – Comply with national regulations 4 Equipment storage –...
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Disposal 5 DISPOSAL The manufacturer is registered on the National EEE Register, Professional WEEE: all WEEE which comes from something in compliance with implementation of Directive 2012/19/EU other than private households. and pertinent national regulations on electrical and electronic This equipment may contain: equipment waste.
Notions on refrigerant piping connection 6 NOTIONS ON REFRIGERANT PIPING CONNECTION The length of the refrigerant pipes affects performance and energy efficiency of the unit. The nominal efficiency is tested on units whose pipes are 5 meters long. For tropical areas, the maximum length of the coolant pipe must not exceed 10 metres. Refer to the following table for specifications on maximum pipe length and height difference Refrigerant piping connections Oblique...
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Notions on refrigerant piping connection 6.1.3 Countersink the ends of the pipes Correct flaring is essential to perfectly seal the gasket. 1 After removing burrs from the cut pipe, seal the ends with PVC tape to prevent foreign materials from entering.
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Notions on refrigerant piping connection 6.1.4 Connect the pipes Connecting the pipes to the indoor unit When connecting the coolant pipes, be careful not to use excessive torque or perform other operations that may 1 Align the centre of the two pipes to be connected. damage them.
Notions on refrigerant piping connection Connecting the pipes to the outdoor unit 1 Unscrew the valve unit cover on the side of the outdoor unit. Valve group cover Fig. 35 2 Remove the protective caps from the valve ends. 3 Apply a little lubricating oil only to the inner surface of Fig.
Technical data 7 TECHNICAL DATA Technical features (MULTISplit) Unit Indoor units that can be connected (Min~Max) 1~2 (DUAL) 1~2 (DUAL) 1~3 (TRIPLE) 1~3 (TRIPLE) Btu/h 14.000 18.000 21.000 27.000 Nominal (5.000~16.500) (7.600~19.000) (6.800~22.500) (10.200~29.900) Cooling capacity (Min~Max) 4,10 (1,46~4,83) 5,27 (2,22~5,56) 6,15 (1,99~6,59) 7,91 (2,98~8,49) Btu/h...
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Technical data Unit Electrical connections V / Hz / p 230 / 50 / 1 Mains power supply (outdoor unit) n° cables / cross 2 x 1.5mm + G 2 x 1.5mm + G 2 x 2.5mm + G 2 x 2.5mm section n°...
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Technical data Technical features (MULTISplit) Unit 105M 125M Indoor units that can be connected (Min~Max) 1~4 (QUADRI) 1~4 (QUADRI) 1~5 (PENTA) Btu/h 30.000 37.000 42.000 Nominal (8.000~36.000) (8.000~38.000) (11.500~42.000) Cooling capacity (Min~Max) 8,20 (2,05~9,84) 10,54 (2,05~10,54) 12,30 (3,16~12,30) Btu/h 30.000 37.000 42.000 Nominal...
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Technical data Unit 105M 125M Electrical connections V / Hz / p 230 / 50 / 1 Mains power supply (outdoor unit) n° cables / cross 2 x 4mm 2 x 4mm 2 x 4mm section n° cables / cross Signal 1 x 1mm Outdoor unit...
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Attachments 8 ATTACHMENTS Outdoor unit wiring diagrams (DUAL 41M - 53M) SERIES SIZE MU2-Y 41M - 53M...
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Attachments Outdoor unit wiring diagrams (TRIPLE 61M - 79M) SERIES SIZE MU2-Y 61M - 79M...
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Attachments Outdoor unit wiring diagrams (QUAD 82M) SERIES SIZE MU2-Y...
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Attachments Outdoor unit wiring diagrams (QUAD 105M) SERIES SIZE MU2-Y 105M...
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Attachments Outdoor unit wiring diagrams (PENTA 125M) SERIES SIZE MU2-Y 125M...
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