Mitsubishi Electric m-MOCU-G02-050 Скачать руководство пользователя страница 35

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VG79D920H01

10-5-3. Connecting the cables

L1 L2 L3 N

Ⓑ

Ⓒ

Ⓐ

Ⓓ

Ⓐ

Control box

Ⓑ

Power supply terminal block (TB1)

Ⓒ

Connect the outdoor transmission cable.

Ⓓ

Terminal block for indoor-outdoor transmission cable

(TB3)

Ⓐ

Ⓑ

Ⓒ

Ⓐ

Terminal block with loose screws

Ⓑ

Properly installed terminal block

Ⓒ

Spring washers must be parallel to the terminal block.

Ⓐ

Ⓑ

Ⓒ

Ⓔ

Ⓓ

Ⓐ

Power cables, transmission cables

Ⓑ

Daisy-chain (transmission cables only)

Ⓒ

Terminal blocks (TB1, TB3)

Ⓓ

Make an alignment mark.

Ⓔ

Install the ring terminals back to back.

・

Connect the cables respectively to the power supply terminal block and the transmission terminal block.

Erroneous connection does not allow the system to operate.

・

Never connect the power cable to the transmission terminal block. If connected, electrical parts will be damaged.

・

Transmission cables should be (5 cm (2 in) or more) apart from the power cable so that it is not influenced by

electric noise from the power cable. (Do not put the transmission cables and the power cable in the same

conduit.)

・

Follow the tightening torque for each screw type as shown below. Be careful not to use excessive torque as this

could damage the screw.

Terminal block (TB1 (M6 screw)): 2.5–2.9 [N·m]

Terminal block (TB3 (M3.5 screw)): 0.82–1.0 [N·m]

・

When tightening the screws, do not push the driver strongly to avoid damaging the screw.

・

Make an alignment mark with a permanent marker across the screw head, washer, and terminal after tightening

the screws.

①

Connect the indoor-outdoor transmission cable to TB3.

If multiple outdoor units are connected to the same refrigerant system, daisy-chain TB3 (M1, M2, earth) on the

outdoor units. The indoor-outdoor transmission cable to the indoor unit should be connected to TB3 (M1, M2,

earth) of only one of the outdoor units. Connect the shield to the earth terminal.

②

Fix the cables securely in place with the cable strap below the terminal block.

10-6. Address setting

・

Set the address setting switch as follows.

Address setting method

Address

Outdoor unit (OC, OS)

Assign sequential addresses to the outdoor units in the same refrigerant system.

51 to 52

* The outdoor units in the same refrigerant circuit are automatically designated as OC and OS. The outdoor units are designated as OC and OS

in the order of address from small to large.

Содержание m-MOCU-G02-050

Страница 1: ...ALAÇÃO Para segurança e utilização correctas leia atentamente este manual de instalação antes de instalar a unidade de ar condicionado ΕΓΧΕΙΡΙΔΙΟ ΟΔΗΓΙΩΝ ΕΓΚΑΤΑΣΤΑΣΗΣ Για ασφάλεια και σωστή χρήση παρακαλείστε διαβάσετε προσεχτικά αυτό το εγχειρίδιο εγκατάστασης πριν αρχίσετε την εγκατάσταση της μονάδας κλιματισμού РУКОВОДСТВО ПО УСТАНОВКЕ Для осторожного и правильного использования прибора необход...

Страница 2: ......

Страница 3: ... work 15 9 1 Restrictions 15 9 2 Pipe selection 17 9 3 Twinning kit selection 18 9 4 Pipe connection example 18 9 5 Piping connections and valve operations 20 9 6 Air tightness test 22 9 7 Thermal insulation for pipes 23 9 8 Evacuation of the system 25 9 9 Additional refrigerant charge 26 10 Electrical work 28 10 1 Before electrical work 28 10 2 Power cables and device capacity 28 10 3 Control cab...

Страница 4: ...the wrong type of refrigerant Do not use the unit in an unusual environment If the unit is used in areas exposed to large amounts of oil steam organic solvents or corrosive gases such as ammonia sulfuric compounds or acids or areas where acidic alkaline solutions or special chemical sprays are used frequently it may significantly reduce the performance and corrode the internal parts resulting in r...

Страница 5: ...the damage is left uncorrected the unit will fall and cause serious injury Consult your dealer for the proper disposal of the unit The refrigerant oil and the refrigerant in the unit will pose a risk of environmental pollution fire or explosion Children should be supervised to ensure that they do not play with the appliance Do not operate the unit with the panels and guards removed Rotating hot or...

Страница 6: ... installed on a structure that can sustain its weight Failure to do so will cause the unit to fall resulting in serious injury Seal all openings around pipes and wires to keep out small animals rainwater or snow Failure to do so may result in current leakage electric shock or damage to the unit 1 4 Precautions for piping work Before heating the brazed sections remove the gas and oil that are trapp...

Страница 7: ...witch fuse that meets local electrical codes or overcurrent breaker Failure to do so may result in electric shock malfunction smoke or fire Only use standard power cables of sufficient capacity Failure to do so may result in current leakage overheating smoke or fire Proper grounding must be provided by qualified personnel Improper grounding may result in electric shock fire explosion or malfunctio...

Страница 8: ...ng system may also adversely affect the operation of these types of equipment by creating electrical noise Insulate pipes to prevent condensation Condensation may collect and drip from the unit onto the ceiling or floor Keep the service valves closed until refrigerant charging is completed Failure to do so will damage the unit Place a wet towel on the service valves before brazing the pipes to kee...

Страница 9: ...ting refrigerant piping The old refrigerant and refrigerant oil in the existing piping contain a large amount of chlorine which will cause the refrigerant oil in the new unit to deteriorate and cause the compressor to malfunction Charge refrigerant in a liquid state Charging refrigerant in the gaseous state will change the composition of the refrigerant and lead to a performance drop Do not use a ...

Страница 10: ...wo outdoor unit system Sound level 50 60 Hz 65 0 dB A 68 0 dB A External static pressure 0 Pa 2 Indoor unit Total capacity 50 to 150 1 Quantity 1 to 10 Operation temperature Cooling 15 CDB to 45 CDB 1 The maximum total capacity of indoor units operating simultaneously is 100 2 To enable the high static pressure setting set the dipswitch on the main board as follows SW6 4 ON SW6 5 OFF 60 Pa or ON 3...

Страница 11: ... slings touch the unit at the base to protect the unit from being scratched Put 50 mm 2 in or thicker protective pads between slings and the unit where the slings touch the unit at the top of the unit to protect the unit from being scratched and to avoid contact with the slings and the fan guard Make sure that the angles between slings at the top are less than 40 degrees Ⓐ Ⓑ Ⓒ Ⓔ Ⓓ Ⓐ Slings Min 8 m...

Страница 12: ...1 Front L2 Rear L3 Right Left When the distance behind the unit L2 needs to be small 450 17 3 4 100 3 15 16 50 2 When the distance to the right or left L3 needs to be small 450 17 3 4 300 11 13 16 15 5 8 2 When one or more walls exceed their height limits When the wall s at the front and or the right left exceed s their height limits When the wall at the rear exceeds its height limit When all wall...

Страница 13: ...k of three units 1 Side by side installation When the distances between the units L4 need to be small When the distance behind the block of units L2 needs to be small h2 L2 L1 L4 Ⓐ Ⓐ h1 h2 L1 L2 L4 Ⓐ Ⓐ h1 Required minimum distance mm in L1 Front L2 Rear L4 Between 450 17 3 4 h1 300 11 13 16 h2 30 1 3 16 Required minimum distance mm in L1 Front L2 Rear L4 Between 450 17 3 4 h1 100 3 15 16 h2 100 3 ...

Страница 14: ... two walls in an L shape h2 L2 L4 L2 Ⓐ Ⓐ h2 h2 h3 L2 L4 L3 Ⓐ Ⓐ Required minimum distance mm in L2 Right L2 Left L4 Between 300 11 13 16 h2 300 11 13 16 h2 900 35 7 16 Required minimum distance mm in L2 Right L3 Right Left L4 Between 300 11 13 16 h2 1000 39 3 8 h3 900 35 7 16 Ⓐ Leave open in two directions 500 19 11 16 500 19 11 16 500 19 11 16 Unit height ...

Страница 15: ...ase is used insulate the area between the base and the outdoor unit by putting a rubber cushion or by applying an electrically insulated coating to prevent the base from rusting Install the unit on a level surface With some types of installation unit vibration and sound will be transmitted to the floors and walls In such locations take measures to prevent vibration such as using anti vibration rub...

Страница 16: ...ifications not supplied Material Galvanized steel plate 1 2T Painting Overall painting with polyester powder Color Munsell 3 0Y 7 8 1 1 same as the unit color Install the unit so that the wind will not blow directly against the inlet and outlet If necessary install the unit on a raised base of the following specifications not supplied to prevent damage from snow Material Angle iron Build a structu...

Страница 17: ...ventional refrigerants will not react to a refrigerant that does not contain chlorine If the specified refrigerant is mixed with water refrigerant oil or another refrigerant the refrigerant oil will deteriorate and the compressor will malfunction Do not use existing refrigerant piping The old refrigerant and refrigerant oil in the existing piping contain a large amount of chlorine which will cause...

Страница 18: ... H must be 0 2 m 7 7 8 in or below In the figure on the right because the distance is more than 0 2 m 7 7 8 in the oil accumulates in Unit 1 when Unit 2 is in operation and Unit 1 is stopped H Ⓐ Ⓐ H Ⓐ 3 The vertical separation between units H must be 0 1 m 3 15 16 in or below In the figure on the right because the distance is more than 0 1 m 3 15 16 in the oil accumulates in Unit 1 when Unit 2 is ...

Страница 19: ...f the pipes clean and free of sulphur oxides dust dirt shaving particles oils moisture or any other contaminants Contaminants on the inside of the refrigerant piping will cause the refrigerant oil to deteriorate and cause the compressor to malfunction Use refrigerant pipes for use with R410A refrigerant system Piping for systems for use with other types of refrigerants may not be able to be used U...

Страница 20: ... Example of pipe connection between outdoor units Ⓐ Ⓐ Ⓑ Ⓒ Ⓐ On site piping Ⓑ Twinning Kit Ⓒ The pipe section before the twinning pipe must have at least 500 mm 19 11 16 in of straight section Example of pipe connection between outdoor units and indoor units Single outdoor unit system Ⓐ Outdoor unit Ⓑ 1st branching Refer to the manual for the connected indoor unit Ⓒ Indoor unit Ⓓ Outdoor unit twinn...

Страница 21: ...branching point exceeds 40 m 131 ft 90 m 295 ft use the one size larger liquid pipe for all pipes from indoor units to the first branch 3 When the vertical separation between the indoor units is 15 m 49 ft 30 m 98 ft use the one size larger liquid pipe for all pipes from the lower indoor units to the first branch Pipes B C D mm in Total capacity of indoor units Pipe Liquid Gas 16 kW Total capacity...

Страница 22: ... the refrigerant pipes will cause the refrigerant oil to deteriorate and cause the compressor to malfunction 9 5 1 Removing the pinched connecting pipes The unit is shipped with the pinched connecting pipes attached to the liquid and gas side service valves to prevent gas leakage Take the following steps through to remove the pinched connecting pipes before connecting refrigerant pipes to the outd...

Страница 23: ...igerant oil Please contact MITSUBISHI ELECTRIC HYDRONICS IT COOLING SYSTEMS S p A for more details Make sure that the pipes are not in contact with each other unit panels or base plates 1 When routing the pipes through the front of the unit 2 When routing the pipes through the bottom of the unit Ⓐ A B Ⓐ A B A Liquid side B Gas side Ⓐ Refrigerant service valve piping Connecting the on site piping a...

Страница 24: ...ness testing Doing so may result in an explosion Chlorine will deteriorate the refrigerant oil After refrigerant pipe installation is completed check the system for leaks by conducting an air tightness test If there is a leak the composition of the refrigerant will change and the performance will drop Air tightness test procedures Make sure the service valves are closed Add pressure to the refrige...

Страница 25: ...ation thickness may need to be increased in high temperature humidity conditions Even when specifications are defined by your client the standards in the table should be met Ⓐ Ⓒ Ⓑ Ⓓ Ⓔ Ⓐ Steel wire Ⓑ Pipe Ⓒ Oily mastic asphalt or asphalt Ⓓ Insulation material A Ⓔ Outer covering B Insulation material A Glass fiber Steel wire Adhesive Heat resistant polyethylene foam Adhesive tape Outer covering B In...

Страница 26: ... Ⓒ Ⓕ 1000 39 3 8 1000 39 3 8 Ⓐ Ⓗ Ⓘ Ⓐ Sleeve Ⓑ Insulation material Ⓒ Lagging Ⓓ Caulking material Ⓔ Band Ⓕ Waterproof layer Ⓖ Sleeve with a flange Ⓗ Caulk with a nonflammable material such as mortar Ⓘ Nonflammable insulation material When caulking the gaps with mortar cover the section of the pipe that goes through the wall with a metal sheet to prevent the insulation material from sagging For this ...

Страница 27: ...acuation below Triple Evacuation Evacuate the system to 533 Pa from both service ports using a vacuum pump Pressurize the system with dry nitrogen gas up to 0 Pa from the discharge service port Evacuate the system to 200 Pa from the suction service port using a vacuum pump Pressurize the system with dry nitrogen gas up to 0 Pa from the discharge service port Evacuate the system from both service p...

Страница 28: ...f additional refrigerant The amount of refrigerant to be added depends on the size and the total length of the liquid piping Calculate the amount of refrigerant to be charged according to the formula below Round up the calculation result to the nearest 0 1 kg Formula When the piping length from the outdoor unit to the farthest indoor unit is 30 5 m 100 ft or shorter Amount of additional charge kg ...

Страница 29: ... 2 Charging additional refrigerant Charge the calculated amount of refrigerant in the liquid state to the unit through the service port after the completion of piping work Upon completion of all work securely tighten all service port caps and shaft caps to prevent refrigerant leakage Do not vent the refrigerant into the atmosphere Refer to the table below for the appropriate tightening torque Pipe...

Страница 30: ...the wiring regulations of the region Include some slack in the wiring for the control box on the indoor and outdoor units because these boxes are sometimes removed at the time of service work 10 2 Power cables and device capacity Include some slack in the power cables Failure to do so may break or overheat the cables resulting in smoke or fire Install an inverter circuit breaker on the power suppl...

Страница 31: ...00 mA 0 1 sec or less 63 63 60 0 19 Ω Refer to the manual for the connected indoor unit for the power cable work on the indoor unit The wire size is the minimum value for metal conduit wiring If the voltage drops use a wire that is one size thicker in diameter Make sure the power supply voltage does not drop more than 10 Make sure that the voltage imbalance between the phases is 2 or less Power su...

Страница 32: ...nnectable units Two outdoor unit system Unit type Code Number of connectable units Outdoor unit Main unit OC Sub unit OS Indoor unit IC 1 to 10 units per OC Single outdoor unit system Unit type Code Number of connectable units Outdoor unit Main unit OC Indoor unit IC 1 to 10 units per OC The outdoor units in the same refrigerant circuit are automatically designated as OC and OS The outdoor units a...

Страница 33: ...Ⓒ Ⓐ Ⓐ Cable strap Ⓑ Power cable Ⓒ Transmission cable If there are any gaps around the power cable please be sure to fill these in with a suitable material When putting the power cable through the knockout hole without using a conduit tube deburr the hole and protect the power cable with protective tape Use a conduit tube to narrow down the opening if there is a possibility of small animals enterin...

Страница 34: ...p between the ends Cable strap Tie band Supplied Rubber bushing Transmission terminal block M NET board Unit wiring sensor wiring Transmission cable not supplied Power supply terminal block Cable strap Power cable not supplied Rubber bushing Tie band Supplied Cables are coming out of the rubber bushing Wiring Cross sectional view Rubber bushing oval part Rubber bushing oval part Cut Top view Wirin...

Страница 35: ...w the tightening torque for each screw type as shown below Be careful not to use excessive torque as this could damage the screw Terminal block TB1 M6 screw 2 5 2 9 N m Terminal block TB3 M3 5 screw 0 82 1 0 N m When tightening the screws do not push the driver strongly to avoid damaging the screw Make an alignment mark with a permanent marker across the screw head washer and terminal after tighte...

Страница 36: ...the compressor for a earth fault While the unit is turned on the compressor will remain energized even when it is stopped The insulation resistance between the power supply terminal block and the earth may drop to near 1 MΩ immediately after installation or when the main power to the unit has been turned off for a long time because of the stagnation of refrigerant in the compressor By turning on t...

Страница 37: ...s otherwise specified leave the switch to OFF where indicated by which may be set to OFF for a reason 11 3 Operation characteristics in relation to the refrigerant charge It is important to have a clear understanding of the characteristics of refrigerant and the operation characteristics of air conditioners before attempting to adjust the refrigerant charge in a given system During cooling operati...

Страница 38: ...ed off Perform the service after disconnecting the fan board connector CNINV and the inverter board connector CN1 To plug or unplug connectors check that the outdoor unit fan is not rotating and that the voltage of capacitor in the main circuit is 20 VDC or below The capacitor may collect a charge and cause an electric shock when the outdoor unit fan rotates in windy conditions Refer to the wiring...

Страница 39: ...model m MOCU G02 050 Refrigerant R410A 11 8 kg Allowable pressure Ps HP 4 15 MPa LP 2 21 MPa Net weight 304 kg Configuration Two outdoor unit system Unit model m MOCU G02 050 m MOCU G02 050 Refrigerant R410A 11 8 kg 11 8 kg Allowable pressure Ps HP 4 15 MPa LP 2 21 MPa Net weight 304 kg 304 kg ...

Страница 40: ...0 Btu h 170 600 RATED INPUT kW 16 00 RATED CURRENT A A 27 0 25 6 37 60 24 7 DB WB C RATED CONDITION INDOOR OUTDOOR 35 35 21 Contains fluorinated greenhouse gases MANUFACTURER MITSUBISHI ELECTRIC HYDRONICS IT COOLING SYSTEMS S p A M11 VIA CADUTI DI CEFALONIA 1 36061 BASSANO DEL GRAPPA VI ITALY MADE IN THAILAND 3N V MANUFACTURE 304 kg IP24 HP 4 15MPa 41 5bar LP 2 21MPa 22 1bar R410A 11 8 kg MAX CURR...

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Страница 44: ...ulations Low Voltage Directive 2014 35 EU Electromagnetic Compatibility Directive 2014 30 EU Pressure Equipment Directive 2014 68 EU Machinery Directive 2006 42 EC Please be sure to put the contact address telephone number on this manual before handing it to the customer HEAD OFFICE M11 VIA CADUTI DI CEFALONIA 1 36061 BASSANO DEL GRAPPA VI ITALY VG79D920H01_en ...

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