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PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT

35

ENGLISH

(Table 4) Conditional Application

WARNING

• In case of pipe diameter B connected after first branch is bigger than the main pipe diame-

ter A, B should be of the same size with A.

Ex) In case indoor unit combination ratio 120% is connected to 24 HP(67.2 kW) outdoor unit.

1) Outdoor unit main pipe diameter A : Ø 34.9(Gas pipe), Ø 15.88(liquid pipe)
2) Pipe diameter B after first branch according to 120% indoor unit ombination(80.6 kW) :

Ø 34.9(gas pipe), Ø 19.05(liquid pipe)

Therefore, pipe diameter B connected after first branch would be Ø 34.9(gas pipe) /
Ø 15.88(liquid pipe) which is same with main pipe diameter.

!

Condition

Example

1

Diameter of pipes between
first branch and the last branch
should be increased by one
step, except pipe diameter
B,C,D is same as Diameter A

40 m < B+C+D+e

90 m

’

B, C, D

Change a diameter

2

While calculating whole refriger-
ant pipe length, pipe B,C,D
length should be calculated
twice.

A+Bx2+Cx2+Dx2

+a+b+c+d+e

≤

1 000 m

3

Length of pipe from each indoor
unit to the closest branch

a,b,c,d,e

≤

40 m

4

Length of pipe from outdoor
unit to the farthest indoor unit 5
(A+B+C+D+e)] - [Length of
pipe outdoor unit to the closest
indoor unit 1 (A+a)]

≤

40 m

(A+B+C+D+e)-(A+a)

≤

40 m

• To satisfy below condition to make 40 m ~ 90 m of pipe length after first branch.

Ø6.35

’

Ø9.52,

Ø9.52

’

Ø12.7,

Ø12.7

’

Ø15.88, Ø15.88

’

Ø19.05,

Ø19.05

’

Ø22.2,

Ø22.2

’

Ø25.4,

Ø25.4

’

Ø28.58, Ø28.58

’

Ø31.8,

Ø31.8

’

Ø34.9, Ø34.9

’

Ø38.1

l

h 30m

H 90m

L

Indoor
Unit

WARNING

Pipe length after header branching (a~e)

It is recommended that difference in length of the pipes connected to the Indoor Units is
minimized. Performance difference between Indoor Units may occur.

!

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Содержание MULTI V IV PRO ARUV840LLN4

Страница 1: ... this installation manual completely before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly ENGLISH ...

Страница 2: ... air condi tioner is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number ...

Страница 3: ...electric shock or fire may result Ask the dealer or an authorized technician to install the air conditioner Improper installation by the user may result in water leakage electric shock or fire Always ground the product There is risk of fire or electric shock Always intstall a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock For re installation of the i...

Страница 4: ...Consult the dealer regarding the appropriate measures to prevent the safety limit from being ex ceeded Should the refrigerant leak and cause the safety limit to be exceeded harzards due to lack of oxygen in the room could result Operation Do not damage or use an unspecified power cord There is risk of fire electric shock explosion or injury Use a dedicated outlet for this appliance There is risk o...

Страница 5: ... the air conditioner may affect such equipment by creating noise that disturbs medical treatment or image broadcasting Do not install the product where it is exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation Operation Do not use the air conditioner in spe...

Страница 6: ... during and after operation It can cause a burn or frostbite Do not operate the air conditioner with the panels or guards removed Rotating hot or high voltage parts can cause injuries Do not directly turn off the main power switch after stopping operation Wait at least 5 minutes before turning off the main power switch Otherwise it may result in water leakage or other problems Auto addressing shou...

Страница 7: ...door unit 41 Refrigerant charging 42 Distribution Method 43 Branch pipe Fitting 47 Leak Test and Vacuum drying 49 Vacuum Mode 50 Heat insulation of refrigerant piping 51 ELECTRICAL WIRING 51 CAUTION 53 Control box and connecting position of wiring 54 Communication and Power Cables 55 Wiring of main power supply and equipment capacity 56 Field Wiring 63 Checking the setting of outdoor units 64 Grou...

Страница 8: ...witch setting Determination of division work The vacuum pump used must have a capacity of reaching at least 5 torr more than 1 hour Vacuum drying Recharge correctly as calculated in this manual and record the amount of added refrigerant Additional charge of refrigerant Make sure there are no gaps left between the facing materials used on the ceiling Fit facing panels Run each indoor unit in turn t...

Страница 9: ...heses means maximum connectable indoor units in accordance with outdoor units combination n Combination Ratio 50 200 Number of Outdoor units Combination Ratio Standard Model Space Saving Model Single Unit 200 160 Two Units Combination 160 120 Three or More Units Combination 130 120 n Standard Model OUTDOOR UNITS INFORMATION Unit 1 Outdoor Unit System HP Model Combination Unit Independent Unit Refr...

Страница 10: ...8 13 16 66 5 32 29 29 32 x1 36 7 32 66 5 32 29 29 32 48 13 16 66 5 32 29 29 32 x1 36 7 32 66 5 32 29 29 32 48 13 16 66 5 32 29 29 32 x 2 Piping Connections mm inch mm inch 16 18 20 ARUV160LLS4 ARUV180LLS4 ARUV200LLS4 ARUV160LLS4 ARUV180LLS4 ARUV200LLS4 6 0 6 0 6 0 13 2 13 2 13 2 26 40 29 45 32 50 203 1 243 1 243 1 447 1 535 1 535 1 1 240 1 680 760 1 1 240 1 680 760 1 1 240 1 680 760 1 12 7 1 2 15 ...

Страница 11: ... 3 1 240 1 680 760 3 inch 48 13 16 66 5 32 29 29 32 x2 36 7 32 66 5 32 29 29 32 1 48 13 16 66 5 32 29 29 32 48 13 16 66 5 32 29 29 32 x 3 48 13 16 66 5 32 29 29 32 x 3 Piping Connections mm inch mm inch 38 40 42 44 ARUV380LLS4 ARUV400LLS4 ARUV420LLS4 ARUV440LLS4 ARUV200LLS4 ARUV200LLS4 ARUV180LLS4 ARUV200LLS4 ARUV180LLS4 ARUV200LLS4 ARUV140LLS4 ARUV140LLS4 ARUV100LLS4 ARUV100LLS4 6 0 2 6 0 2 6 0 1...

Страница 12: ... Weight kg lbs Dimensions WxHxD mm inch Piping Connections mm inch mm inch 62 64 66 68 ARUV620LLS4 ARUV640LLS4 ARUV660LLS4 ARUV680LLS4 ARUV180LLS4 ARUV180LLS4 ARUV180LLS4 ARUV200LLS4 ARUV160LLS4 ARUV180LLS4 ARUV180LLS4 ARUV200LLS4 ARUV140LLS4 ARUV140LLS4 ARUV160LLS4 ARUV140LLS4 ARUV140LLS4 ARUV140LLS4 ARUV140LLS4 ARUV140LLS4 6 0 2 5 0 2 6 0 2 5 0 2 6 0 3 5 0 1 6 0 2 5 0 2 13 2 2 11 0 2 13 2 2 11 0...

Страница 13: ...6 66 5 32 29 29 32 x 4 48 13 16 66 5 32 29 29 32 x 4 Piping Connections mm inch mm inch 82 84 86 88 ARUV820LLN4 ARUV840LLN4 ARUV860LLN4 ARUV880LLN4 ARUV220LLN4 ARUV220LLN4 ARUV220LLN4 ARUV220LLN4 ARUV200LLS4 ARUV220LLN4 ARUV220LLN4 ARUV220LLN4 ARUV200LLS4 ARUV200LLS4 ARUV220LLN4 ARUV220LLN4 ARUV200LLS4 ARUV200LLS4 ARUV200LLS4 ARUV220LLN4 7 6 x 1 6 0 x 3 7 6 x 2 6 0 x 2 7 6 x 3 6 0 x 1 7 6 x 4 16 8...

Страница 14: ...o prevent them from softening Be careful not to install wrongly to minimize economic loss because it is expensive in comparison with R22 The refrigerant R410A has the property of higher operating pressure in comparison with R22 Therefore all materials have the characteristics of higher resisting pressure than R22 ones and this characteristic should be also considered during the installation R410A ...

Страница 15: ...solution and spray sulfur are often used Do not use unit under any special environment where oil steam and sulfuric gas exist It is recommended to fence round the outdoor unit in order to prevent any person or animal from accessing the outdoor unit If installation site is area of heavy snowfall then the following directions should be observed Make the foundation as high as possible Fit a snow prot...

Страница 16: ... E B F C D A E B F C D A E B A B E Front No limit to the height of the wall A E B D A C B D E C A E B F C D A E B F C D A E B A B E h2 h1 1500 A B 500 The height of the wall on the front side must be 1500mm or less The height of the wall on the inlet side must be 500mm or less There is no limit to the wall on the side If the height of the walls on the front and the side are higher than the limit t...

Страница 17: ...e area with much snowfall Where snow accumulated on the upper part of the Outdoor Unit by more than 10 cm always remove snow for operation The height of H frame must be more than 2 times the snowfall and its width shall not ex ceed the width of the product If width of the frame is wider than that of the product snow may accumulate Don t install the suction hole and discharge hole of the Outdoor Un...

Страница 18: ...ur points Carrying in and lifting with 3 point support may make Outdoor Unit unstable resulting in a fall Use 2 belts of at least 8 m long Place extra cloth or boards in the locations where the casing comes in contact with the sling to prevent damage Hoist the unit making sure it is being lifted at its center of gravity When carrying the suspended unit pass the ropes under the unit and use the two...

Страница 19: ...g fixed The outdoor unit supports should have minimum height of 200 mm Anchor bolts must be inserted at least 75 mm At least 100mm At least 100mm At least 100mm At least 100mm At least 100mm At least 100mm Center of the Unit For outdoor units should not be supported only by the corner supports Center of the Unit 730 760 65 65 Unit mm At least 65 At least 65 Chassis Outdoor Unit Capacity A mm B mm ...

Страница 20: ...the bolt It may cause the unstable state of the outdoor settlement and may cause freezing of the heat exchanger resulting in abnormal operations Be sure to remove the Pallet Wood Support of the bottom side of the outdoor unit before welding Not removing Pallet Wood Support causes hazard of fire during welding WARNING Install where it can sufficiently support the weight of the outdoor unit If the s...

Страница 21: ...o let burrs drop in the tubing Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper tube in a bar or die as in dicated dimension in the table above Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work again Indoor unit kW Btu h Pipe A Gas Liquid Gas Liquid 5 6 19 100 1 2 1 4 0 5 0 8 0 0 ...

Страница 22: ...ps Do not apply excessive force to the shutoff valve Doing so may break the valve body as the valve is not a backseat type Always use the special tool 3 Make sure to tighten the cap securely Pipe size Tightening torque N cm A mm Flare shape Ø 9 52 38 4 12 8 13 2 90 2 45 2 A R 0 4 0 8 Ø 12 7 55 6 16 2 16 6 Ø 15 88 75 7 19 3 19 7 CAUTION Always use a charge hose for service port connection After tig...

Страница 23: ...h ylene over 120 C the heat resistance temperature Add the insulation over 10 mm thickness at high humidity environment Indoor unit Thermal insulator accessory Fastening band accessory Refrigerant piping Closing shutoff valve 1 Remove the cap and turn the valve clockwise with the hexagon wrench 2 Securely tighten the valve until the shaft contacts the main body seal 3 Make sure to tighten the cap ...

Страница 24: ...t cold and warm Clogging of EEV Capillary Gas shortages Degradation of refrigerant oil Poor insulation of the com pressor Do not cold and warm Counter measure No moisture in the pipe Until the connection is completed the plumbing pipe entrance should be strictly controlled Stop plumbing at rainy day Pipe entrance should be taken side or bottom When removal burr after cutting pipe pipe entrance sho...

Страница 25: ...egradation of refrigerant oil Because it is flammable it is strictly prohibited to use Carbon dioxide Degrade the drying characteristics of gas Chevron Gas Toxic gas occurs when exposed to direct flame 2 Always use a pressure reducing valve 3 Please do not use commercially available antioxidant The residual material seems to be the oxide scale is observed In fact due to the organic acids generated...

Страница 26: ... of the outdoor unit is divided at the end to connect to each indoor unit Flare connection for the indoor unit and welding connection for the outdoor pipe and the branching parts Use hexagonal wrench to open close the valve Gas pipe Liquid pipe Service Port WARNING Always careful not to leak the refrigerant during welding The refrigerant generates poisonous gas harmful to human body if combusted D...

Страница 27: ...raw Out Front Pipe Draw Out Right Side Pipe Draw Out Refrigerant Pipe Regulator Nitrogen Taping Valve Nitrogen Nitrogen Direction Direction Nitrogen Direction Preparation Work Use Knock Outs of Base Pan of the outdoor unit for Left Right or Bottom pipe drawing outs Removal Area for Liquid Gas pipe bottom side connections CAUTION Do not give damage to the pipe base during the Knock Out work Proceed...

Страница 28: ...ct remaining refrigerant or air inside using the service port Remove the leakage prevention cap Gas pipe Liquid pipe Service Port Leakage Prevention Cap Pipe Drawing Out during Single Series connection Method of drawing out pipes on the front side Proceed with the pipe work as shown in the below figure for front side pipe drawing out Pipe Knock Out for Liquid Gas pipes 28 PIPE CONNECTIONS BETWEEN ...

Страница 29: ...E CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT 29 ENGLISH Method of drawing out pipes on the bottom side Drawing out common pipe through side panel Liquid pipe Gas pipe Remove only liquid gas pipe Knock out ...

Страница 30: ...application h 30 m H 90 m L165 m Refrigerant piping system 1 Outdoor Unit Combination of Y branch header Method Ⓐ Outdoor Unit Ⓑ 1st branch Y branch Ⓒ Y branch Ⓓ Indoor Unit Ⓔ Header Ⓕ Sealed piping L 165 m 40 m 90 m Conditional application H 90 m 30 m Header Method Ⓐ Outdoor Unit Ⓑ Header branch Ⓒ Indoor Units Ⓓ Sealed piping L 165 m 40 m H 90 m 30 m ...

Страница 31: ... Ⓒ Y branch Ⓓ Indoor Unit Ⓔ Connection branch pipe between Outdoor units ARCNN41 Ⓕ Connection branch pipe between Outdoor units ARCNN31 Ⓖ Connection branch pipe between Outdoor units ARCNN21 Ⓗ Header Ⓘ Sealing 10 m or less H 90 m G F E G F E L 165 m l 40 m 90 m Conditional application ODU Capacity Master Slave1 Slave2 Slave3 30 m Master Slave3 Slave1 Slave2 h1 Header Method Ⓐ Outdoor Unit Ⓑ Header...

Страница 32: ... unit to ﬁrst branch Level Difference Outdoor unit Outdoor unit 5 m Max length from first branch to each outdoor unit L1 L2 L3 Less than 10 m equivalent length of piping 13 m Y branch Method Combination of Y branch header Method Header Method Max pipe length Outdoor Unit Indoor Unit Longest pipe length L A B C D e 165 m A B b 165 m A C e 165 m A f 165 m Equivalent pipe length 190 m 190 m 190 m Tot...

Страница 33: ...1 3 8 173 6 592 500 Ø 19 05 3 4 Ø 41 3 1 5 8 184 8 630 700 Ø 22 2 7 8 Ø 44 5 1 3 4 252 0 859 600 Ø 22 2 7 8 Ø 53 98 2 1 8 Total pipe length A B C D a b c d e 1 000 m L Longest pipe length Equivalent pipe length A B C D e 165 m A B C D e 190 m l Longest pipe length after 1st branch B C D e 40 m 90 m H Difference in height Outdoor Unit Indoor Unit H 90 m h Difference in height Indoor Unit Indoor Uni...

Страница 34: ...8 1 1 4 Ø 15 88 5 8 not increased 18 22 Ø 15 88 5 8 Ø 28 58 1 1 8 Ø 19 05 3 4 Ø 31 8 1 1 4 Ø 19 05 3 4 not increased 24 Ø 15 88 5 8 Ø 34 9 1 3 8 Ø 19 05 3 4 not increased Ø 19 05 3 4 not increased 26 34 Ø 19 05 3 4 Ø 34 9 1 3 8 Ø 22 2 7 8 Ø 38 1 1 1 2 Ø 22 2 7 8 not increased 36 60 Ø 19 05 3 4 Ø 41 3 1 5 8 Ø 22 2 7 8 not increased Ø 22 2 7 8 not increased 62 64 Ø 22 2 7 8 Ø 44 5 1 3 4 Ø 25 4 1 Ø 5...

Страница 35: ...ranch should be increased by one step except pipe diameter B C D is same as Diameter A 40 m B C D e 90 m B C D Change a diameter 2 While calculating whole refriger ant pipe length pipe B C D length should be calculated twice A Bx2 Cx2 Dx2 a b c d e 1 000 m 3 Length of pipe from each indoor unit to the closest branch a b c d e 40 m 4 Length of pipe from outdoor unit to the farthest indoor unit 5 A ...

Страница 36: ...he main pipe diameter by downward indoor unit total capacity but its outdoor unit model name Do not let the connection pipe from branch to branch exceed the main pipe diameter chosen by outdoor unit model name EX Where connecting the indoor units to the 22 HP 61 6 kW outdoor unit to 130 of its system capacity 80 1 kW and branching 7k 2 2 kW indoor unit at the 1st branch 1 Main pipe diameter 22 HP ...

Страница 37: ...s located lower than the main pipe apply Oil Trap Pipe connection between outdoor units General Case The maximum pipe length after the ﬁrst branching between the outdoor units is 10m or less Pipes between outdoor units are 2 m or less Examples of Wrong Pipe Connections 2 m or less Pipes between outdoor units are 2 m or more OilTrap OilTrap OilTrap 2 m or less 2 m or less 2 m or less 0 2 m or more ...

Страница 38: ...n the length of the pipe between the outdoor units is more than 2 m Otherwise the unit may not operate properly Toward indoor unit Toward indoor unit Pipe inclination 2 or more Toward indoor unit Toward indoor unit Toward indoor unit Toward indoor unit Example 1 Example 2 Example 3 Example 1 Example 2 Toward indoor unit Toward indoor unit 2 m 2 m 2 m 0 2 m Oil Trap 38 PIPE CONNECTIONS BETWEEN INDO...

Страница 39: ...s between the outdoor units the accumulation of oil in the slave out door unit should be avoided Otherwise the unit may not operate properly Example 1 Toward indoor unit Toward indoor unit h h 0 2m Toward indoor unit Toward indoor unit Oil Trap h Toward indoor unit Example 3 Example 2 ...

Страница 40: ...pipe Ø 15 88 mm x 0 173 kg m Total liquid pipe Ø 12 7 mm x 0 118 kg m Total liquid pipe Ø 9 52 mm x 0 061 kg m Total liquid pipe Ø 6 35 mm x 0 022 kg m CF value of indoor unit Amount refrigerant of Indoor units Example 4Way Ceiling Cassette 14 5 kW 1ea Ceiling concealed Duct 7 3 kW 2ea Wall Mounted 2 3 kW 4ea CF 0 64 1 0 26 2 0 24 4 2 12 kg Attach the additional refrigerant table of IDU CAUTION Do...

Страница 41: ...nit type installation position should be over 2 m from the floor Wall mounted type Cassette type Adoption of ventilation system choose ordinary ventilation system or building ventilation system Limitation in piping work Prepare for earthquake and thermal stress Liquid pipe Gas pipe Ⓐ Manifold Gauge Ⓑ Low pressure side Handle Ⓒ High pressure side Handle Total amount of refrigerant in the system 0 4...

Страница 42: ...Slave Master Slave Master Slave Master 1st 1st 1st Main pipe Distribution 2nd 2nd 3rd 3rd Main pipe Distribution Slave Master 1st 3rd 3rd main pipe distribution 2nd Horizontal Distribution Vertical Distribution The others Distribution Method 42 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT ENGLISH ...

Страница 43: ...ation If the diameter of the refrigerant piping selected by the procedures described is different from the size of the joint the connecting section should be cut with a pipe cutter Branch pipe should be insulated with the insulator in each kit Ⓐ To Outdoor Unit Ⓑ To Indoor Unit The indoor unit having larger capacity must be in stalled closer to Ⓐ than smaller one If the diameter of the refrigerant...

Страница 44: ...ween branch and pipe should be sealed with the tape included in each kit Any cap pipe should be insulated using the insulator provided with each kit and then taped as described above Pinched pipe B Horizontal plane View from point B in the direction of the arrow Insulate the header using the insulation material attached to the branch pipe kit as shown in the ﬁgure Insulator Insulator of ﬁeld pipe ...

Страница 45: ...15 88 I D19 05 I D12 7 I D12 7 I D19 05 I D15 88 I D12 7 I D19 05 O D12 7 I D6 35 I D15 88 371 394 83 11 0 70 2 3 3 2 ARBLN14521 471 517 125 120 130 I D19 05 I D15 88 I D12 7 I D19 05 I D22 2 I D41 3 I D38 1 I D41 3 O D34 9 I D34 9 I D34 9 I D22 2 I D28 58 I D28 58 I D38 1 I D41 3 I D34 9 I D38 1 O D22 2 O D38 1 O D15 88 O D28 58 90 2 3 3 3 2 2 3 416 444 96 O D15 88 I D9 52 I D12 7 O D12 7 I D6 35...

Страница 46: ...20 120 150 360 ID9 52 ID9 52 ID6 35 ID6 35 ID9 52 ID12 7 7 branch ARBL107 120 150 160 580 ID19 05 ID15 88 ID15 88 ID12 7 ID22 2 ID28 58 ID25 4 120 150 700 120 ID6 35 ID9 52 ID9 52 ID6 35 ID9 52 ID12 7 10 branch ARBL1010 120 150 160 760 ID19 05 ID15 88 ID15 88 ID12 7 ID22 2 ID28 58 ID25 4 120 150 160 760 ID19 05 ID15 88 ID15 88 ID12 7 ID22 2 ID28 58 ID25 4 10 branch ARBL2010 120 150 182 775 ID19 05...

Страница 47: ...e when pressure is applied and when the pressure drop is checked apply the following correction factor There is a pressure change of approximately 0 1 kg cm2 0 01 MPa for each 1 C of temperature difference Correction Temp at the time of pressurization Temp at the time of check X 0 1 For example Temperature at the time of pressurization 3 8 MPa is 27 C 24 hour later 3 73 MPa 20 C In this case the p...

Страница 48: ... to 100 7 kPa within 2 hrs repeat the steps of vacuum break and its drying Finally check if the vacuum gauge does not rise or not after main taining the system in vacuum for 1 hr Scale Use a graviometer One that can measure down to 0 1 kg If you are unable to prepare such a high precision gravimeter you may use a charge cylinder Indoor unit Slave 1 outdoor unit Master outdoor unit Liquide pipe Gas...

Страница 49: ...de off method CAUTION ODU operation stops during vacuum mode Compressor can t operate Master unit PCB DIP switch on No 5 Select the mode using Button SVC Push the button Select the Function using Button Se3 Push the button Start the vacuum mode VACC ODU Valve open ODU EEV open IDU EEV open Dip switch off and push the reset button on Master unit PCB Vacuum Mode DIP SWITCH 7 Segment SW01C conﬁrm SW0...

Страница 50: ...t insulate gas or low pressure pipe and liquid or high pressurepipe together Liquid pipe Gas pipe Power cables Finishing tape Insulating material Communication cables Be sure to fully insulate connecting portion These parts are not insulated Good example Liquid pipe Communication cables Communication cables Separ ation Gas pipe Power cables Insulating material Power cables Ⓐ Sleeve Ⓑ Heat insulati...

Страница 51: ...ied should be connected to the terminal block for Outdoor Unit communication CAUTION Be sure to correct the outdoor unit to earth Do not connect ground wire to any gas pipe liquid pipe lightening rod or telephone earth line If earth is incomplete it may cause an electric shock 2 Core Shield Cable Multi Core Cable Remote control Remote control Remote control Remote control Indoor Unit Outdoor Unit ...

Страница 52: ...l a phase leading capacitor Make sure that the power unbalance ratio is not greater than 2 If it is greater the units lifes pan will be reduced CAUTION When the 400 volt power supply is applied to N phase by mistake check damaged parts in control box and replace them Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block Round pressure termina...

Страница 53: ...terminal block When the central control system is connected to the outdoor unit a dedicated PCB must be connected between them When connecting communication cable between outdoor unit and indoor units with shielded cable connect the shield ground to the earth screw UX6 UX5 Front Panel WARNING The temperature sensor for outdoor air should not be exposed to direct sunlight Provide an appropriate cov...

Страница 54: ...to the additional length of cable involved If the power supply waveform continues to exhibit some distortion the recommended spacing in the table should be increased If the cable are laid inside conduits then the following point must also be taken into ac count when grouping various cable together for introduction into the conduits Power cable including power supply to air conditioner and communic...

Страница 55: ...al switch or electrical outlet to disconnect each of indoor unit separately from the power supply CAUTION Some installation site may require attachment of an earth leakage breaker If no earth leakage breaker is installed it may cause an electric shock Do not use anything other than breaker and fuse with correct capacity Using fuse and wire or copper wire with too large capacity may cause a malfunc...

Страница 56: ... contact it is not the point to make ground connection WARNING Indoor Unit ground wires are required for preventing electrical shock accident during current leakage Communication disorder by noise effect and motor current leakage without connec tion to pipe Don t install an individual switch or electrical outlet to disconnect each of indoor unit separately from the power supply Install the main sw...

Страница 57: ...witch Fuse L N Communication cable 2 Wires Cable Power cable 4 Wires Cable Communication cable 3 Wires Cable Power cable 2 Wires Cable Power cable 2 Wires Cable Power cable 2 Wires Cable Power cable 2 Wires Cable Power cable 2 Wires Cable Master Indoor Units Outdoor Power supply 3Ø 4 wire Indoor Power supply 1Ø 2 wire Main Switch Slave1 Slave2 Slave3 R S T N Switch Fuse R S T N Switch Fuse R S T N...

Страница 58: ...are matched A A B B WARNING Indoor Unit ground wires are required for preventing electrical shock accident during current leakage Communication disorder by noise effect and motor current leakage without connec tion to pipe Don t install an individual switch or electrical outlet to disconnect each of indoor unit separately from the power supply Install the main switch that can interrupt all the pow...

Страница 59: ...ire BUS type STAR type Abnormal operation can be caused by com munication defect when connection of communication cable is installed like below figure STAR type Connection of communication cable must be installed like below figure between indoor unit to outdoor unit ...

Страница 60: ...Communication cable Main power terminal block Ground wire Power Ground cable Over 50 mm gap Communication cable Power Ground cable Over 50 mm gap Communication cable Main power terminal block Ground wire Insulation sleeves attachments Fix ﬁrmly not to be displaced Main power terminal block ODU IDU Communication cable ODU ODU Communication cable Main power terminal block Ground wire Power Ground ca...

Страница 61: ...l block Ground wire Power Ground cable Over 50 mm gap Communication cable Fix ﬁrmly not to be displaced Main power terminal block Insulation sleeves attachments Main power terminal block ODU IDU Communication cable ODU ODU Communication cable Fix ﬁrmly not to be displaced Insulation sleeves attachments Main power terminal block Ground wire Power Ground cable Over 50 mm gap Communication cable Left...

Страница 62: ...nel from outdoor unit 2 Separate front cover of control box 3 Assemble the IO Module with screws 12 mm 2EA on designated location 4 Connect the connection wires according to the instructions Please refer to Setting and Using Method which is included in IO Module Installation Manual Location of IO Module ...

Страница 63: ...quentially appeared at the 7 segment in 5 seconds after applying the power This number represents the setting condition Initial display order Master Unit Slave Unit Dip switch setting Dip switch setting ODU Setting Slave 1 Slave 2 Slave 3 Order No Mean 8 22 Master model capacity 10 22 Slave 1 model capacity 10 22 Slave 2 model capacity 10 22 Slave 3 model capacity 8 88 Total capacity 1 Cooling Onl...

Страница 64: ...ol several sets of Indoor Units into a group set the group ID from 0 to F for this pur pose Outdoor Units External PCB Example Group number setting 1st number indicate the group number 2nd number point out indoor unit number SODU B SODU A IDU B IDU A CEN B CEN A DRY1 DRY2 GND 12V B D A C B A 1 F Group Indoor unit Group recognizing the central controller No 0 group 00 0F No 1 group 10 1F No 2 group...

Страница 65: ...on 7 segment LED of the outdoor unit PCB After completing addressing address of each indoor unit is indicated on the wired remote con trol display window CH01 CH02 CH03 CH06 Indicated as numbers of connected in door units Main PCB DIP SWITCH 7 Segment SW01C confirm SW02C ඔ backward SW03C ඖ forward SW04C cancel SW01D reset CAUTION In replacement of the indoor unit PCB always perform Automatic addre...

Страница 66: ...ired remote control or indoor unit display window It is not an error message will disappeared when on off button is pressed on remote control ex Display of 01 02 15 means connection of 15 indoor units and Automatic addressing is completed normally Automatic addressing start Waiting 3 minutes Power On Press RED Button for 5 sec SW01C 7 segment LED 88 Don t press RED Button SW01C Waiting about 2 7 m...

Страница 67: ... Night low noise oFF op1 op15 selected the option change the set value blank save in EEPROM ODU address 0 254 set the value change the set value blank save in EEPROM Targetpressureautoad justing oFF op1 op6 selected the option change the set value blank save in EEPROM High Efficiency Cooling oFF on selected the option change the set value blank save in EEPROM Auto dust removal oFF on selected the ...

Страница 68: ...ode is set Function setting Switch Control Function Switch Up Switch Down oFF op1 mode op2 mode Right side On Left side On Not operate Cooling Cooling Right side On Right side On Not operate Heating Heating Left side Off Not operate Fan mode Off CAUTION Ask an authorized technician to setting a function If do not use a function set an off mode If use a function first install a Cool Heat selector H...

Страница 69: ...ion mode setting method FAN Maximum RPM of each step Master unit PCB DIP switch on No 5 Select the mode using Button Func Push the button Select the Function using Button Fn2 Push the button Select the Option using Button op1 Push the button Start the Static pressure compensation mode Save the selected option value in EEPROM Capacity 10 14 HP 16 22 HP Max RPM Standard 730 950 op1 800 1000 op2 820 ...

Страница 70: ...button Select the Option using Button op1 op14 Push the button Start the Night low noise function Save the selected option value in EEPROM Capacity Cooling Only UX5 UX6 Step Noise dB op1 op3 op10 55 59 op4 op6 op11 52 56 op7 op9 op12 49 53 op13 55 55 op14 50 50 CAUTION Request installer to set the function during installation If setting the op 13 14 the cooling capacity may go down When high load ...

Страница 71: ...tch on No 5 Select the mode using Button Func Push the button Select the Function using Button Fn5 Push the button Select the Option using Button 0 254 Push the button ODU address is set CAUTION Ask an authorized technician to setting a function If use a function first install a Central controller ...

Страница 72: ...set an off mode Change a power consumption or capacity Heat and Condensing temperature variation is not applied in ARUV LLS4 LLN4 Setting mode Purpose Condensing temperature variation Evaporating temperature variation Heat Cool oFF Not setting op1 Increase capacity Increase capacity 2 C 3 C op2 Decrease power consumption Increase capacity 2 5 C 1 5 C op3 Decrease power consumption Decrease power c...

Страница 73: ...sh the button Select the Option using Button on oFF Push the button Start the High Efficiency cooling mode Save the selected option value in EEPROM CAUTION Ask an authorized technician to setting a function If use a function first install a Central controller According to the change of outdoor temperature switch the target pressure for the high energy efficiency Mode setting method ...

Страница 74: ...t the Function using Button Fn10 Push the button Select the Option using Button on oFF Push the button Auto dust removal mode is set CAUTION Ask an authorized technician to setting a function If use a function first install a Central controller Reversing rotation of the fan motor it s possible to remove dust automatically Mode setting method ...

Страница 75: ... using Button oFF op1 op3 Push the button Smart Load Control is set CAUTION Ask an authorized technician to setting a function If use a function first install a Central controller According to the difference of indoor temperature and setting temperature switch the target pressure to increase efficiency Mode setting method Option Setting Off Off op1 Smooth Mode op2 Quick Mode op3 Power Mode Mode Se...

Страница 76: ...e using Button Idu Push the button Select the Function using Button Id6 Push the button Select the Option using Button IDU No Mode OFF OP1 OP3 Push the button Start the IDU function CAUTION Ask an authorized technician to setting a function If use a function first install a Central controller Option Setting Off Usual Operation op1 Little low cooling but least power consumption op2 Medium Cooling w...

Страница 77: ...emperature sensor of indoor unit Outlet pipe temperature sensor of indoor unit is open or short 0 9 Indoor EEPROM Error In case when the serial number marked on EEPROM of Indoor unit is 0 or FFFFFF 1 0 Poor fan motor operation Disconnecting the fan motor connector Failure of indoor fan motor lock Outdoor unit related error 2 1 1 Master Outdoor Unit Inverter Compressor IPM Fault Master Outdoor Unit...

Страница 78: ...tage is over 487V or below 270V 2 Slave1 Outdoor Unit Input Voltage High Low Voltage Slave1 Outdoor Unit input voltage is over 487V or below 270V 3 Slave2 Outdoor Unit Input Voltage High Low Voltage Slave2 Outdoor Unit input voltage is over 487V or below 270V 4 Slave3 Outdoor Unit Input Voltage High Low Voltage Slave3 Outdoor Unit input voltage is over 487V or below 270V 2 6 1 Master Outdoor Unit ...

Страница 79: ...oor Unit Inverter Compressor2 High Dis charge Temperature 4 Slave3 Outdoor Unit Inverter Compres sor2 High Discharge Temperature Slave3 Outdoor Unit Inverter Compressor2 High Dis charge Temperature 3 4 1 High Pressure of Master Outdoor Unit High Pressure of Master Outdoor Unit 2 High Pressure of Slave1 Outdoor Unit High Pressure of Slave1 Outdoor Unit 3 High Pressure of Slave2 Outdoor Unit High Pr...

Страница 80: ...e3 Outdoor Unit Inverter Compressor Discharge Temperature Sensor open or short 4 2 1 Master Outdoor Unit Low Pressure Sensor Fault Master Outdoor Unit Low Pressure Sensor open or short 2 Slave1 Outdoor Unit Low Pressure Sen sor Fault Slave1 Outdoor Unit Low Pressure Sensor open or short 3 Slave2 Outdoor Unit Low Pressure Sen sor Fault Slave2 Outdoor Unit Low Pressure Sensor open or short 4 Slave3 ...

Страница 81: ...on Temperature Sensor open or short 4 Slave3 Outdoor Unit Suction Tempera ture Sensor Fault Slave3 Outdoor Unit Suction Temperature Sensor open or short 4 7 1 Master Outdoor Unit Inverter Compres sor2 Discharge Temperature Sensor Fault Master Outdoor Unit Inverter Compressor2 Discharge Temperature Sensor open or short 2 Slave1 Outdoor Unit Inverter Compressor2 Discharge Temperature Sensor Fault Sl...

Страница 82: ...ceive signal main PCB at inverter PCB of Slave2 Outdoor Unit 4 Communication error Main PCB inverter PCB Failing to receive signal main PCB at inverter PCB of Slave3 Outdoor Unit 5 9 1 Mixing Installation of Sub Outdoor Unit Mixing Installation of Old Sub Outdoor Unit and New Slave Outdoor Unit 6 0 1 Inverter PCB EEPROM Error of Master Outdoor Unit Access Error of Inverter PCB of Master Outdoor Un...

Страница 83: ...onverter CT Sensor open or short of Master Outdoor Unit 2 Converter CT Sensor Error of Slave1 Outdoor Unit Converter CT Sensor open or short of Slave1 Outdoor Unit 3 Converter CT Sensor Error of Slave2 Outdoor Unit Converter CT Sensor open or short of Slave2 Outdoor Unit 4 Converter CT Sensor Error of Slave2 Outdoor Unit Converter CT Sensor open or short of Slave2 Outdoor Unit 7 5 1 Master Outdoor...

Страница 84: ...1 Master Outdoor Unit Main PCB EEP ROM Error Communication Fail Between Master Outdoor Unit Main MICOM and EEPROM or omitting EEPROM 2 Slave1 Outdoor Unit Main PCB EEP ROM Error Communication Fail Between Slave1 Outdoor Unit Main MICOM and EEPROM or omitting EEPROM 3 Slave2 Outdoor Unit Main PCB EEP ROM Error Communication Fail Between Slave2 Outdoor Unit Main MICOM and EEPROM or omitting EEPROM 4...

Страница 85: ...1 0 6 1 Master Outdoor Unit FAN IPM Fault Error Instant Over Current at Master Outdoor Unit Fan IPM 2 Slave1 Outdoor Unit FAN IPM Fault Error Instant Over Current at Slave1 Outdoor Unit Fan IPM 3 Slave2 Outdoor Unit FAN IPM Fault Error Instant Over Current at Slave2 Outdoor Unit Fan IPM 4 Slave3 Outdoor Unit FAN IPM Fault Error Instant Over Current at Slave3 Outdoor Unit Fan IPM 1 0 7 1 Master Out...

Страница 86: ...d communication Error 2 Slave1 outdoor unit Main Board Exter nal Board communication Error Slave1 outdoor unit Main Board External Board communication Error 3 Slave2 outdoor unit Main Board Exter nal Board communication Error Slave2 outdoor unit Main Board External Board communication Error 4 Slave3 outdoor unit Main Board Exter nal Board communication Error Slave3 outdoor unit Main Board External...

Страница 87: ...Outdoor Unit Fan Heatsink High Temperature 2 Slave1 Outdoor Unit Fan Heatsink High Temperature System is turned off by Slave1 Outdoor Unit Fan Heatsink High Temperature 3 Slave2 Outdoor Unit Fan Heatsink High Temperature System is turned off by Slave2 Outdoor Unit Fan Heatsink High Temperature 4 Slave3 Outdoor Unit Fan Heatsink High Temperature System is turned off by Slave3 Outdoor Unit Fan Heats...

Страница 88: ...divided into 2 or more refrigerant systems and each system is independent amount of replenished refrigerant of each system shall be adopted Amount of replenished refrigerant per one outdoor unit system Amount of replenished refrigerant at factory shipment Amount of additionally replenished refrigerant depending on piping length or piping diameter at customer Outdoor unit Indoor unit Outdoor unit I...

Страница 89: ...anical ventilator Reducing the outdoor refrigerant qty R410A Refrigerant concentration kg m3 Total amount of replenished refrigerant in refrigerant facility kg Capacity of smallest room where indoor unit is installed m3 In case the result of calculation exceeds the limiting concentration perform the same calculations by shifting to the second smallest and the third smallest rooms until at last the...

Страница 90: ...the windbreak for easy air flow Select a well drained place CAUTION Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the product where it could be exposed to sea wind salty wind directly It can result corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or...

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