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32

Outside Unit

32

Outside Unit

Refrigerant piping system 

Headerv branch Method

Single outside unit system

Example : 6 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: 1st branch

Ⓒ

: Y branch

Ⓓ

: Indoor Unit

Ⓔ 

: Header branch

Ⓕ

: Suture

Series outside unit system

Example : 6 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: 1st branch

Ⓒ

: Y branch

Ⓓ

: Indoor Unit

Ⓔ

: Header branch

Ⓕ

: Suture

Ⓖ

: Outside branch(1st)

Ⓗ

: Outside branch(2nd)

Ⓘ

: Outside branch(3rd)

10m or

less

H 50m

L 150m

40m

ODU Capacity
Master ≥ Slave1 ≥ Slave2 ≥ Slave3 

40 m

H

G

I

G

Slave2

Slave1

Master

Slave3

L 150m

40m

H 50 m

40 m

D

D

D

D

D

D

F

E

Содержание MULTI V WATER IV ARWN120LAS4

Страница 1: ...t 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 your set and retain it for future reference P NO MFL30215327 www lg com MODELS ARWN Series ENGLISH PORTUGUESE ...

Страница 2: ...10A 14 Select the Best Location 14 Installation space 15 Water control 17 Lifting method 19 Installation 20 Refrigerant piping installation 24 Device protection unit 29 Refrigerant piping system 31 Y branch pipe and header branch pipe type 46 Leakage test and vacuum 48 Electrical Wiring 50 Test Run 67 Cooling tower applied method 74 Caution For Refrigerant Leak 75 Water Solenoid Valve Control 77 ...

Страница 3: ...perly 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 leak age electric shock or fire Always ground the product There is risk of fire or electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock For re installation of...

Страница 4: ...osion or injury When installing and moving the air condi tioner to another site do not charge it with a different refrigerant from the refrigerant specified on the unit If a different refrigerant or air is mixed with the original re frigerant the refrigerant cycle may malfunction and the unit may be damaged Do not reconstruct to change the settings of the protection devices If the pressure switch ...

Страница 5: ...egradation of capacity When installting the unit in a hospital com munication station or similar place provide sufficient protection against noise The inverter equipment private power generator high fre quency medical equipment or radio communication equip ment may cause the air conditioner to operate erroneously or fail to operate On the other hand the air conditioner may af fect such equipment b...

Страница 6: ...eans of transportation It is dangerous Do not touch the heat exchanger fins Doing so may cut your fingers When transporting the outside unit suspending it at the specified positions on the unit base Also support the outside unit at four points so that it cannot slip sideways Do not touch any of the refrigerant piping during and after operation It can cause a burn or frostbite Do not operate the ai...

Страница 7: ...ontract drawings Indicate clearly who is to be responsible for switch settings 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 use...

Страница 8: ...kg 127 x 1 140 x 1 lbs 280 x 1 309 x 1 Dimensions WxHxD mm 755 997 500 755 997 500 inch 29 23 32 x 39 1 4 x 19 11 16 x 1 29 23 32 x 39 1 4 x 19 11 16 x 1 Refrigerant Connecting Pipes Liquid mm inch 12 7 1 2 12 7 1 2 Gas mm inch 25 4 1 28 58 1 1 8 Water Connecting Pipes Inlet mm PT 40 PT 40 Outlet mm PT 40 PT 40 Drain Outlet mm 20 20 Temp range of Circulation water Cooling 10 C 45 C 50 F 113 F 10 C...

Страница 9: ...16 x 2 29 23 32 x 39 1 4 x 19 11 16 x 2 Refrigerant Connecting Pipes Liquid mm inch 19 05 3 4 19 05 3 4 19 05 3 4 Gas mm inch 34 9 1 3 8 34 9 1 3 8 34 9 1 3 8 Water Connecting Pipes Inlet mm PT 40 PT 40 PT 40 PT 40 PT 40 PT 40 Outlet mm PT 40 PT 40 PT 40 PT 40 PT 40 PT 40 Drain Outlet mm 20 20 20 Temp range of Circulation water Cooling 10 C 45 C 50 F 113 F 10 C 45 C 50 F 113 F 10 C 45 C 50 F 113 F...

Страница 10: ...erant Connecting Pipes Liquid mm inch 19 05 3 4 19 05 3 4 Gas mm inch 41 3 1 5 8 41 3 1 5 8 Water Connecting Pipes Inlet mm PT 40 PT 40 PT 40 PT 40 Outlet mm PT 40 PT 40 PT 40 PT 40 Drain Outlet mm 20 20 Temp range of Circulation water Cooling 10 C 45 C 50 F 113 F 10 C 45 C 50 F 113 F Heating 5 C 45 C 23 F 113 F 5 C 45 C 23 F 113 F Unit 3 Unit System Capacity HP 42 44 46 Model Combination Unit ARW...

Страница 11: ...S4 ARWN180LAS4 ARWN180LAS4 Refrigerant Precharged Amount kg 3 0 3 0 5 8 3 0 3 0 3 0 Maximum Connectable Number of Indoor Units 64 64 Net Weight kg 140 x 2 127 x 1 140 x 3 lbs 309 x 2 280 x 1 309 x 3 Dimensions WxHxD mm 755 997 500 x 3 755 997 500 x 3 inch 29 23 32 x 39 1 4 x 19 11 16 x 3 29 23 32 x 39 1 4 x 19 11 16 x 3 Refrigerant Connecting Pipes Liquid mm inch 19 05 3 4 19 05 3 4 Gas mm inch 41...

Страница 12: ... C 45 C 50 F 113 F 10 C 45 C 50 F 114 F 10 C 45 C 50 F 115 F Heating 5 C 45 C 23 F 113 F 5 C 45 C 23 F 114 F 5 C 45 C 23 F 115 F Unit 4 Unit System Capacity HP 68 70 72 Model Combination Unit ARWN680LAS4 ARWN700LAS4 ARWN720LAS4 Independent Unit ARWN200LAS4 ARWN200LAS4 ARWN140LAS4 ARWN140LAS4 ARWN200LAS4 ARWN200LAS4 ARWN160LAS4 ARWN140LAS4 ARWN200LAS4 ARWN200LAS4 ARWN180LAS4 ARWN140LAS4 Refrigerant...

Страница 13: ...m 20 20 Temp range of Circulation water Cooling 10 C 45 C 50 F 119 F 10 C 45 C 50 F 120 F Heating 5 C 45 C 23 F 119 F 5 C 45 C 23 F 120 F Unit 4 Unit System Capacity HP 78 80 Model Combination Unit ARWN780LAS4 ARWN800LAS4 Independent Unit ARWN200LAS4 ARWN200LAS4 ARWN200LAS4 ARWN180LAS4 ARWN200LAS4 ARWN200LAS4 ARWN200LAS4 ARWN200LAS4 Refrigerant Precharged Amount kg 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 ...

Страница 14: ...al like thinner or gasoline It may cause a fire by leaking the gas near the product 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 character istic should be also considered during the installation R410A is an azeotrope of R32 and R125 mixed at 50 50 so th...

Страница 15: ...e area In case of the water pipe passing side product please make sufficient service place to avoid occurring between water pipe and product side Service area 20 100 350 755 600 500 20 997 100 100 unit mm H Beam Support Water pipe installation space Product Outside unit Service area Service area Front Front Service area Front Front View Top View Top view Unit mm 100 350 755 600 500 20 100 350 755 ...

Страница 16: ... Layer Installation Space required for two layer installation as shown below considering passage for air and people Service area H Beam Support Front View unit mm 997 100 997 100 100 100 16 Outside Unit Installation space ...

Страница 17: ...r in If so the water velocity will be unstable in the circulation pump efficiency will also de crease and may cause the piping vibration Therefore install the air purge where it may generate the air Choose the following anti freezing methods Otherwise it will be dangerous for the pipe to break in the winter Circulate the water with the pump before dropping the temperature Keep the normal temperatu...

Страница 18: ...moving the air can be very effective 3 In case of using the closed type cooling tower the cooling water and supplementing water must satisfy the water qual ity criteria of closed type system in the table 4 Supplementing water and supplied water must be supplied with tap water industrial water and underground water ex cluding filtered water neutral water soft water etc 5 15 items in the table are g...

Страница 19: ...er A B WARNING CAUTION Do not have only one person carry product if it is more than 20kg PP bands are used to pack some products Do not use them as a means for transportation because they are dangerous Tear the plastic packaging bag and scrap it so that children cannot play with it Otherwise plastic packaging bag may suffocate children When carrying in outside unit be sure to support it at four po...

Страница 20: ...resulting in a personal injury Have installation work in order to protect against a strong wind and earthquake Any installation deficiency may cause unit to fall down resulting in a personal injury Especially take care for support strength of the floor surface water drain processing processing of water flown out from the outside unit during operation and paths of the pipe and wiring when mak ing a...

Страница 21: ...laring tool as shown below Firmly hold copper tube in a bar or die as indicated di mension in the table above 4 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 Main cause of gas leakage is defect in flaring work Carry out correct flaring work in the following procedure Pipe A Gas Liquid Gas Liquid 5 6 19 100 1 2...

Страница 22: ...ning torque Union CAUTION Always use a charge hose for service port connection After tightening the cap check that no refrigerant leaks are present When loosening a flare nut always use two wrenches in combination When connecting the piping always use a spanner and torque wrench in combination to tighten the flare nut When connecting a flare nut coat the flare inner and outer faces with oil for R4...

Страница 23: ...ion is air conditioned but the internal temperature humidity of the ceiling finishing is high Bathroom swimming pool locker room etc Building with roof ceiling of sandwich assembly type Note 3 General location When the pipe passes indoors where the indoor unit is not operated Hall way etc Dormitory school office tel Note 4 Negative condition When below conditions 1 and 2 are met 1 When the pipe pa...

Страница 24: ...th ends Coat the flare connection part with oil for the compressor Cap Remove caps and operate valve etc After opera tion always reattach caps tightening torque of valve cap 25Nm 250kg cm or more Don t remove the in ternal part of the port Service port Make the refrigerant pipe vacuum and charge it using the service port Always reattach caps after completing work tightening torque of service cap 1...

Страница 25: ...8 5 8 I D 19 05 3 4 I D 12 7 1 2 I D 12 7 1 2 I D 9 52 3 8 I D 9 52 3 8 331 13 1 32 70 2 3 4 314 12 3 8 I D 22 2 7 8 O D 19 05 3 4 406 15 31 32 111 4 3 8 111 4 3 8 83 3 9 32 83 3 9 32 125 4 29 32 353 13 29 32 I D 34 9 1 3 8 I D 41 3 1 5 8 I D38 1 1 1 2 I D 41 3 1 5 8 O D 34 9 1 3 8 I D 28 58 1 1 8 I D34 9 1 3 8 I D 15 88 5 8 I D 19 05 3 4 I D 19 05 3 4 I D 12 7 1 2 I D 22 2 7 8 334 13 5 32 281 11 ...

Страница 26: ...usts and foreign material within the pipe Otherwise the product may not operate due to sludge within the pipe 3 For the working part leakage test apply the nitrogen gas pressure of 3 8MPa 38 7kgf cm2 4 The vacuum criteria is to maintain the vacuum level to less than 5 Torr 1 hour after reaching 5 Torr Execute the vacuum work again when it is below the criteria 5 Open the valve with the hexagon wre...

Страница 27: ...necessary Install a pressure gauge and temperature gauge at the inlet and outlet of the water pipe Flexible joints must be installed not to cause any leakage from the vibration of pipes Install a service port to clean the heat exchanger at the each end of the water inlet and outlet For the components of the water pipe system always use components above the designed water pressure 2 Water pipe conn...

Страница 28: ... 4 1 11 2 1120 4 400 45 4 5 155 15 5 31 8 1 1 4 14 5 1450 6 5 650 87 5 8 75 265 26 5 38 1 1 1 2 16 5 1 7 9 5 0 95 155 16 350 35 5 50 8 2 21 5 2 2 13 5 1 4 255 26 600 61 Pipe thickness Shear stress Tensile stress Bending moment Torque Water pipe connection Water pipe inlet Water pipe outlet 28 Outside Unit Refrigerant piping installation ...

Страница 29: ...e type heat exchanger plays the role of the evaporator and at this time the temperature of the coolant side drops to drop the temperature of the heat water supply which can result in icing point in the water paths 4 And as the heating process progresses the water paths can be partially frozen to lead to damage in plate type heat ex changer 5 As a result of the damage of the heat exchanger from the...

Страница 30: ...er by the manufacturer of the flow switch If necessary adjust the flow rate detection screw after consulting with an expert and adjust to the minimum flow rate range Picture 4 Minimum flow rate range of this product is 50 Adjust the flow switch to touch the contact point when the flow rate reaches 50 of the flow rate Reference flow rate 10HP 96LPM 20HP 192LPM 1 inch or 3 4 inch socket Cover Micro ...

Страница 31: ...ication h 40 m H 50m L150m 200 m Conditional application IDU direction Series outside unit system Example 5 Indoor Units connected Ⓐ Outdoor Unit Ⓑ 1st branch Ⓒ Y branch Ⓓ Indoor Unit Ⓔ Header branch Ⓕ Suture Ⓖ Outside branch 1st Ⓗ Outside branch 2nd Ⓘ Outside branch 3rd Single outside unit system Example 5 Indoor Units connected Ⓐ Outdoor Unit Ⓑ 1st branch Ⓒ Y branch Ⓓ Indoor Unit Ⓔ Header branch...

Страница 32: ...door Unit Ⓔ Header branch Ⓕ Suture Series outside unit system Example 6 Indoor Units connected Ⓐ Outdoor Unit Ⓑ 1st branch Ⓒ Y branch Ⓓ Indoor Unit Ⓔ Header branch Ⓕ Suture Ⓖ Outside branch 1st Ⓗ Outside branch 2nd Ⓘ Outside branch 3rd 10m or less H 50m L 150m 40m ODU Capacity Master Slave1 Slave2 Slave3 40 m H G I G Slave2 Slave1 Master Slave3 L 150m 40m H 50 m 40 m D D D D D D F E ...

Страница 33: ...utdoor Unit Ⓑ 1st branch Ⓒ Y branch Ⓓ Indoor Unit Ⓔ Header branch Ⓕ Suture Ⓖ Outside branch 1st Ⓗ Outside branch 2nd Ⓘ Outside branch 3rd 10m or less H 50m Slave3 Slave2 Slave1 Master L150m 200m Conditional application 40m 90m Conditional application ODU Capacity Master Slave1 Slave2 Slave3 40 m H G I G L 150m 200m Conditional application 40m 90m Conditional application L 50m 40 m If it is conditi...

Страница 34: ...nally 225 m 175 m Conditionally 225 m 175 m Total pipe length Outdoor unit total indoor unit 300 m Conditionally 500 m 300 m Conditionally 500 m 300 m Conditionally 500 m Permitted height Outdoor unit indoor unit height difference H 50 m 50 m 50 m Indoor unit indoor unit height difference h 40 m 40 m 40 m Maximum pipe length after 1st branch Actual pipe length l 40 m Conditionally 90m 40 m Conditi...

Страница 35: ...can not select the next higher size available Upward Outdoor unit total capacity Standard Pipe Diameter Increased Pipe Diameter When pipe length is 90m or more from ODU to 1st branch kW Liquid pipe mm Gas pipe mm Liquid pipe mm Gas pipe mm 23 Ø 9 52 Ø 19 05 Ø 12 7 Ø 22 2 29 Ø 9 52 Ø 22 2 Ø 12 7 Ø 22 2 35 Ø 12 7 Ø 22 2 Ø 15 88 Ø 25 4 41 Ø 12 7 Ø 25 4 Ø 15 88 Ø 28 58 ...

Страница 36: ...eeding 40 m and 90 m or less the following condi tions must be satisfied WARNING It is recommended to install the difference between the length of the pipe after header branch a f and the length of the pipe connected to indoor unit to be the minimum As the pipe length difference increases there may be performance differences between indoor units Y branch and header branch cannot be used after head...

Страница 37: ...s limited to 1 time and is only applied to the gas pipe If the pipe distance between the outside units is 2m or below and if the location of the main pipe is lower than that of the out side unit and if the location of the main pipe is lower than that of the outside unit the oil trap does not have to be applied If the location of the main pipe is higher than the location of the outside unit be care...

Страница 38: ...t may not operate properly Apply Oil Trap as shown below when the length of the pipe between the outdoor units is more than 2m Other wise 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 Toward indoor unit Toward indoor unit 2m 2m 2m ...

Страница 39: ... between the outdoor units the accumulation of oil in the slave outdoor 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: ... Ø19 05mm Total liquid pipe m Ø15 88mm Total liquid pipe m Ø12 7mm Total liquid pipe m Ø9 52mm Total liquid pipe m Ø6 35mm CF kg Correction Factor Total amount kg If a negative result is obtained from the calculation no refrigerant needs to be added A A B B CAUTION Outside unit Header branch Indoor unit Ex 10HP Additional Charge A x 0 061 B x 0 061 C x 0 061 D x 0 061 E x 0 022 CF 50 x 0 061 10 x ...

Страница 41: ...inflow type is recommended due to the characteristics of the refrigerant Always operate the ventilation system irrelevant from whether the air conditioner is used or not and whether the indoor or not When it is impossible to operate this and in case of a refrigerant leakage by the sensor the ventilation system is automatically operated Limitation in piping work Prepare for earthquake and thermal s...

Страница 42: ... diameters to connect the piping 7 Always observe the restrictions on the refrigerant piping such as rated length difference in height and piping diameter Failure to do so can result in equipment failure or a decline in heating cooling performance 8 A second branch cannot be made after a header These are shown by 9 The Multi V will stop due to an abnormality like excessive or insufficient refriger...

Страница 43: ... There is no limitation on the joint mounting configuration 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 When the number of pipes to be connected is smaller than the number of header branches in stall a cap ...

Страница 44: ...h kit Joints between 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 B Pinched pipe 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 Insula...

Страница 45: ...t of heat insulation material with a finishing tape Power lines E D D B A C Be sure to give insulation work to refrigerant piping by covering liquid pipe and gas pipe separately with enough thickness heat resistant polyethylene so that no gap is observed in the joint between indoor unit and insulating material and insulating materials themselves When insulation work is insufficient there is a poss...

Страница 46: ... 1 3 2 5 9 D I 2 5 9 D I 7 2 1 D O I D15 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 83 110 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 D...

Страница 47: ...D15 88 ID22 2 ID28 58 ID25 4 120 120 150 360 ID9 52 ID9 52 ID6 35 ID6 35 ID9 52 ID12 7 120 150 120 ID15 88 ID12 7 ID15 88 ID12 7 ID15 88 ID19 05 120 150 120 ID6 35 ID9 52 ID9 52 ID12 7 120 150 160 580 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 7 120 150 160 760 ID19 05 ID15 88 ID15 88 ID12 7 ID22 2 ID28 58 ID25 4 120 150 120 720 ID6...

Страница 48: ...est result can be judged good if the pressure has not be reduced after leaving for about one day after completion of nitrogen gas pressurization Note If the ambient temperature differs between the time 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 diffe...

Страница 49: ...0 7kPa vacuum drying If the system cannot be evacuated to 100 7kPa within 2 hrs repeat the steps of vacuum break and its drying Finally check if the vacuum gauge does not rise or not after maintaining the system in vacuum for 1 hr Scale Use a graviometer One that can measure down to 0 1kg If you are unable to prepare such a high precision gravimeter you may use a charge cylinder Vacuum should be d...

Страница 50: ...cal standard related to electrical equipment wiring regulations and guidance of each electric power company 2 Install the outside unit transmission line away from the power source wiring so that it may not affected by electric noise from the power source Do not run it through the same conduit 3 Be sure to provide designated grounding work to outside unit 4 Give some allowance to wiring for electri...

Страница 51: ...ontrol Box and Wiring Location Unscrew all the screw pull out the panel Connect the transmission wire between outside unit and indoor unit the connection between outside unit and central controller system pass through the sub PCB for central control When connecting indoor unit with the shield cable ground at the grounding screw When connecting central controller with the shield cable ground at the...

Страница 52: ...ing up to 100m For length in excess of 100m the figures will have to be recalculated in direct proportion to the additional length of line involved 2 If the power supply waveform continues to exhibit some distortion the recommended spacing in the table should be increased If the lines are laid inside conduits then the following point must also be taken into account when grouping various lines toge...

Страница 53: ...e 4 wires power supply 50Hz 380 415 V 60Hz 380 V Single phase 60Hz 220V Breaker 3phase 4lines power cable Transmission cable 3lines wired remote controller Single phase 60Hz 220V Transmission cable 2lines Shield cable Indoor Outside unit Never install individual switch or individual outlet to cut the power connecting the indoor unit CAUTION ...

Страница 54: ...ple Connection of Transmission Cable 1 Outside Unit WARNING Indoor Unit ground Lines are required for preventing electrical shock accident during current leakage Transmission disorder by noise effect and motor current leakage without connection 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 ...

Страница 55: ...er source is connected In series between the units Main Switch Main Switch IDU SODU DRY1 DRY2 GND CEN B A 12V Master Outside unit IDU SODU DRY1 DRY2 GND CEN B A 12V IDU SODU DRY1 DRY2 GND CEN B B B B A A A A 12V Master Outside unit Pull Box Installer option Pull Box Installer option Example Connection of Transmission Cable 2 Outside Units WARNING Indoor Unit ground Lines are required for preventin...

Страница 56: ...nit Master Outside unit Slave2 Outside unit IDU SODU DRY1 DRY2 GND CEN B A 12V IDU SODU DRY1 DRY2 GND CEN B A 12V IDU SODU DRY1 DRY2 GND CEN B A 12V IDU SODU DRY1 DRY2 GND CEN B B B B B A A A A A 12V Master Outside unit Pull Box Installer option Pull Box Installer option Example Connection of Transmission Cable 3 Outside Units WARNING Indoor Unit ground Lines are required for preventing electrical...

Страница 57: ...onnection of Transmission Cable 1 Outside Unit WARNING Indoor Unit ground Lines are required for preventing electrical shock accident during current leakage Transmission disorder by noise effect and motor current leakage without connection 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 ...

Страница 58: ...e is connected In series between the units Main Switch Main Switch IDU SODU DRY1 DRY2 GND CEN B A 12V Master Outside unit IDU SODU DRY1 DRY2 GND CEN B A 12V IDU SODU DRY1 DRY2 GND CEN B B B B A A A A 12V Master Outside unit Pull Box Installer option Pull Box Installer option Example Connection of Transmission Cable 2 Outside Units WARNING Indoor Unit ground Lines are required for preventing electr...

Страница 59: ...ster Outside unit Slave2 Outside unit IDU SODU DRY1 DRY2 GND CEN B A 12V IDU SODU DRY1 DRY2 GND CEN B A 12V IDU SODU DRY1 DRY2 GND CEN B A 12V IDU SODU DRY1 DRY2 GND CEN B B B B B A A A A A 12V Master Outside unit Pull Box Installer option Pull Box Installer option Example Connection of Transmission Cable 3 Outside Units WARNING Indoor Unit ground Lines are required for preventing electrical shock...

Страница 60: ...unication Cable BUS type Connection of communication cable must be installed like below figure between indoor unit to outside unit STAR type Abnormal operation can be caused by communication defect when connection of communication cable is installed like below figure STAR type ...

Страница 61: ...ed the option Change the set value Blank Save in EEPROM ODU address 0 255 Set the value Change the set value Blank Save in EEPROM Target pressure ad justing OFF op1 op3 Selected the option Change the set value Blank Save in EEPROM Use Sump Heater OFF ON Selected the option Change the set value Blank Save in EEPROM Functions save in EEPROM will be kept continuously though the system power was reset...

Страница 62: ...ter applying the power This number represents the setting condition Master model capacity Slave1 model capacity Slave2 model capacity Slave3 model capacity Total capacity System type Power type Product type Example 178 kW 62HP 4Unit R410A combination Cooling heating switching type 380V general type 16 16 16 14 62 2 38 1 EX Details of each symbol Model capacity Symbol Number Contents 8 20 Master mo...

Страница 63: ...ment LED of the outside unit PCB 6 After completing addressing address of each indoor unit is indicated on the wired remote controller display window CH01 CH02 CH03 CH06 Indicated as number of indoor unit connection set Heat Pump MAIN PCB DIP SWITCH 7 Segment SW01C confirm SW02C ඔ backward SW03C ඖ forward SW04C cancel SW01D reset When replacing the indoor unit PCB you must execute the auto addressi...

Страница 64: ...nit 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 minutes 7 segment LED OK YES NO ...

Страница 65: ...roup and Indoor Unit number with a wired remote control To control several sets of Indoor Units into a group set the group ID from 0 to F for this purpose Terminal block on the main PCB SODU IDU CEN DRY1 DRY2 B A B D A C GND 12V B A B A Group recognizing the simple central controller No 0 group 00 0F No 1 group 10 1F No 2 group 20 2F No 3 group 30 3F No 4 group 40 4F No 5 group 50 5F No 6 group 60...

Страница 66: ...ng the Push button Setting Main PCB Dip SW of Master Outside Unit In case of no Cool Heat Selector connect signal terminal block as below figure And description Connect signal terminal block as below figure and description How to set mode without Cool Heat Selector Cooling Mode Setting GND Connection Off Open Heating Mode Setting GND Connection GND Connection Fan Mode Setting Off Open GND Connecti...

Страница 67: ...iping system to clean any alien particles inside the pipes and execute an air purge to remove an air within the pipes to make the water supply smoother Clean all the strainers of water pipe including around outside units Execute the test of water supply system without operating the product Check whether outside unit inlet outlet flow rate complies to the product specification Standard Water volume...

Страница 68: ...e crank case heater of the compressor and let the refrigerant including the oil inside the compressor to evaporate Then the insulation resistance value will increase to more than 2 0 MΩ Check whether the liquid and gas pipes are open Precaution when blocking the water cooling type Multi V main power While using the product Air conditioning season Heating season always connect the main power of the...

Страница 69: ...be created 1 Before the season of use check below points Once a year 1 inspection on water quality to check if this is within the standard condition 2 Clean the strainer 3 Check if the flow is appropriate 4 Check if the operation environment is appropriate Pressure flow output temperature 2 Below procedure should be abided by in order to clean the panel heat exchanger Once every 5 years 1 Check if...

Страница 70: ...type and density must be used Calcium chloride brine can cause corrosion on the plate type heat exchanger and must not be used If the anti freeze liquid is left as is it absorbs the moisture from the air to cause a drop in the density leading to freezing of plate type heat exchanger Therefore minimize the contact surface with the atmosphere and periodically measure the density of the brine to supp...

Страница 71: ...ror indoor unit main PCB of outdoor PCB Damage Outside Unit related Error 2 1 Master outside unit inverter compressor IPM Fault Master outside unit inverter compressor drive IPM error 2 2 Inverter Board Input Over Current RMS of Master outside Unit Master Outside Unit Inverter Board Input Current excess RMS 2 3 Master outside unit inverter compressor DC link under voltage DC voltage is not charged...

Страница 72: ...er outside unit 3 phase power missing Master outside unit power line phase missing 5 1 Over capacity Indoor unit capacity sum is exces sive connection Excessive connection of indoor unit connection display value Different from outside unit 5 2 Communication error with master outside unit in verter controller When the inverter controller signal is not received from the master outside unit inverter ...

Страница 73: ...ng Outlet Temperature Sensor open or short 1 1 6 Master Outdoor Unit Oil Level Sensor Error Oil Level Sensor of Master Outdoor Unit is open or short 1 4 5 Master outdoor unit Main Board External Board communication Error Master outdoor unit Main Board External Board communication Error 1 5 1 Failure of operation mode conversion at Master Outside Unit Failure of operation mode conversion at Master ...

Страница 74: ...ntly Open type cooling tower Middle heat exchanger Heat source water of the cooling tower is supplied directly to the outside unit system Closed type cooling tower Open type cooling tower Closed type cooling tower 1st side 2nd side Heat exchange CAUTION When the open type cooling tower is used and the water supply is directly connected to the 2nd heat exchanger product damage by alien particle can...

Страница 75: ...procedure of limiting concentration Limiting concentration is the limit of Freon gas concentration where immediate measures can be taken with out hurting human body when refrigerant leaks in the air The limiting concentration shall be described in the unit of kg m3 Freon gas weight per unit air volume for facilitating calculation Limiting concentration 0 44kg m3 R410A Amount of additional replenis...

Страница 76: ... ventilator Reducing the outside refrigerant qty Pay a special attention to the place such as a basement etc where refrigerant can stay since refrigerant is heavier than air Outside unit Indoor unit Smallest room 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 ...

Страница 77: ...r water solenoid valve control CN_18 220 V Out CN_22 to DDC 1 L 2 N 3 L 4 N Main PCB Water In BMS Building Management System Water Out Solenoid Valve CN_18 220 V Out CN_22 to DDC PI 485 DDC BMS 1 L 2 N 3 L 4 N Main PCB Water Solenoid Valve Control Central Control Use DDC Port Individual Control Use 220V Output Port Installation Manual 77 ENGLISH ...

Страница 78: ...78 Outside Unit 78 Outside Unit ...

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