Samsung AM220FXVAGH/EU - Manuals

5 ENGLISH For use in Europe : This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and ...

6 Safety precautions Changes in DVM S (inverter) compare to conventional models that has to noted when installing X For optimal distribution of the refrigerant, you must use Y-joint as branch joint for connecting outdoor units. (To not use T-joint) X You cannot operate normally if you do not complet...

7 ENGLISH Preparing for installation Outdoor unit combination f Make sure to use an indoor unit that is compatible with DVM S. f Indoor units can be connected within the range indicated in following table. f If the total capacity of the connected indoor units exceeds the indicated maximum capacity, ...

16 Preparing for installation Moving the outdoor unit f Select the moving path in advance. f Be sure that moving path can support weight of the outdoor unit. f Do not slant the product more than 30˚ when carrying it. (Do not lay the product down in sideways.) f Surface of the heat exchanger is sharp...

17 ENGLISH Selecting installation location Decide the installation location, with the consideration of the following conditions, under user’s approval. f Place where hot discharge air or noise from the outdoor unit may not disturb the neighbor (Especially in residential areas, keep the operation hou...

18 Selecting installation location Sea Sea breeze Outdoor unit Protection wall should be constructed with a solid material that can block the sea breeze and the height and width of the wall should be 1.5 times larger than the size of the outdoor unit. (You must secure more than 700mm of space betwee...

19 ENGLISH Space requirement for installation f Space requirement was decided based on following conditions; Cooling mode, outdoor temperature of 35 °C. Larger space is required if the outdoor temperature is higher than 35 °C or if the place is heated easily by quantity of solar radiation. f When yo...

20 Space requirement for installation Module installation (Unit : mm) <Case 3> O ver 500 O ver 500 O ver 600 Over 100 Over 100 Over 100 Over 100 Over 100 Over 100 Over 100 Over 100 Front side Front side <Case 1> <Case 2> O ver 200 O ver 100 O ver 300 (S2) O ver 500 (S1) Over 100 Ov...

21 ENGLISH Accessories Accessories f You must keep following accessories until the installation is finished. f Hand over the installation manual to the customer after finishing the installation. Installation manual (1) Packing socket (1) ❇ Models with packing socket : AM140/240/260 ✴ XVAGH, AM180 ✴ XV...

22 Base construction and installation of the outdoor unit t Make sure to remove the wooden pallet before installing the outdoor unit. If you do not remove the wooden pallet, there is risk of fire during welding the pipes. If the outdoor unit is installed with wooden pallet on, and it was used for lon...

23 ENGLISH Outdoor unit installation O ver 200 mm O ver 50 mm Base ground H beam or anti-vibration frame Over 200 mm Outdoor unit base mount and anchor bolt position A B 54 761 803 54 Outdoor unit - Anti-vibration frame (4-Ø 12) Anti-vibration - Base ground (4-Ø 18) (Unit : mm) Classification Small t...

24 Base construction and installation of the outdoor unit Examples of draining work f Construct the drainage ditch with reinforced concretes and make sure that water-proofing work is done. f For smooth draining of defrost water, make sure to apply 1/50 slope. f Construct a drainage around the outdoor...

25 ENGLISH Cautions regarding on connecting the anchor bolt X Tighten the rubber washer to prevent the bolt connection part of the outdoor unit from corroding. Rubber washer f Anchor specification Size Diameter of drill bit (a) Anchor length (b) Sleeve length (c) Insert depth Fastening torque B C D N...

26 Base construction and installation of the outdoor unit Caution for installing discharge duct f Static pressure of the discharge duct should be within the standard specification (78.45 Pa) when installing the duct. f If you remove the fan guard to install the discharge duct, make sure to install a ...

27 ENGLISH Installing the wind/snow prevention duct Installing the outdoor unit around the obstacles f It is necessary to install a wind/snow prevention duct(field supply) to direct exhaust from the fan horizontally, when it is difficult to provide a minimum space of 2m between the air outlet and a nea...

28 Installing the wind/snow prevention duct Installing the outdoor unit in windy region f In windy regions such as near sea shores, protection wall or wind protection duct must be installed for normal operation of the outdoor unit. (Refer to the illustration of the snow prevention duct, for installi...

29 ENGLISH Refrigerant pipe installation t When installing, make sure there is no leakage. When collecting the refrigerant, stop the compressor first before removing the connection pipe. If the refrigerant pipe is not properly connected and the compressor works with the service valve open, the pipe i...

30 Refrigerant pipe installation Selecting refrigerant pipe First branch joint Increase the main pipe size f Install the refrigerant pipe according to main pipe size of each outdoor unit capacity. f When the pipe length (including elbow) between an outdoor unit and the farthest indoor unit exceeds 9...

31 ENGLISH H/P 33.6 kW 40.0 kW (D) (E) (C) (A)(B) (3) (2) (1) 61.6 kW Ex.) 135.2 kW Capacity (kW) No. Pipe size (mm) Liquid pipe Gas pipe 33.6 kW (1) Ø 12.70 Ø 28.58 73.6 kW (2) Ø 19.05 Ø 34.92 135.2 kW (3) Ø 19.05 Ø 41.28 Size of the pipe connected to the outdoor unit (A) Select the size of the mai...

32 Refrigerant pipe installation Size of the pipe between branch joints (B) Select the pipe size according to the sum of indoor unit capacity which will be connected after the branch. ❇ However, if the size of the pipe between branch joints (B) is bigger than the size of the pipe connected to the ou...

33 ENGLISH 33.6 kW 40.0 kW (D) (E) (C) (A)(B) (3) (2) (1) 61.6 kW Branch joint f Branch joint between outdoor units (C) Classification Model name Specification (kW) Y-joint for outdoor unit (C) MXJ-TA3419M 135.2 kW and below MXJ-TA4122M Over 140.2 kW f First branch joint (D)Make a selection according ...

35 ENGLISH H/R (A) (B) 33.6 kW 40.0 kW (D) (E) (F) (C) (3) (2) (1) 61.6 kW Ex.) 135.2 kW Capacity (kW) No. Pipe size (mm) Liquid pipe Gas pipe High pressure gas pipe 33.6 kW (1) Ø 12.70 Ø 28.58 Ø 19.05 73.6 kW (2) Ø 19.05 Ø 34.92 Ø 28.58 135.2 kW (3) Ø 19.05 Ø 41.28 Ø 34.92 Size of the pipe connecte...

38 Refrigerant pipe installation Additional refrigerant H/P H/R Ø12.70 (5 m) Ø12.70 (5 m) Ø12.70 (5 m) Ø6.35 (5 m) Ø6.35 (10 m) Ø6.35 (15 m) Ø9.52 (10 m) Ø9.52 (10 m) Ø9.52 (10 m) Ø9.52 (10 m) Ø6.35 (5 m) Ø9.52 (10 m) 46.4 kW 4.5 kW 5.6 kW 5.6 kW 7.1 kW 7.1 kW 7.1 kW 7.1 kW 3.6 kW Ø9.52 (1m) Ø12.70 ...

39 ENGLISH f Amount of additional refrigerant depending on the pipe size ( ⓐ ) - Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length. Size of liquid pipe Ø 6.35 Ø 9.52 Ø 12.70 Ø 15.88 Ø 19.05 Ø 22.22 Ø 25.40 Ø 28.58 Additional amount (kg/m) 0.02 0.06 0.12...

40 Capacity (kW) Model 1.5 1.7 2.2 2.8 3.2 3.6 4 4.5 5.6 6 7.1 8.2 9 9.3 11 11.2 12.8 14 16 18 22 22.4 25 28 32 50 500 CMH 1000 CMH Concealed Floor Standing (AM ✴✴✴✴ NFDEH/ ✴✴ ) 0.22 0.32 0.32 Floor Standing (AM ✴✴✴✴ NPDKH/ ✴✴ ) 0.69 1.85 Ceiling (AM ✴✴✴✴ NCDEH/ ✴✴ ) (AM ✴✴✴✴ NCDKH/ ✴✴ ) 0.39 0.39 0...

42 Refrigerant pipe installation Classification Model name of indoor unit Number of units Unit amount of refrigerant (kg/EA) Amount of additional refrigerant (kg) Total amount of additional refrigerant (kg) ① ② ① × ② ∑( ① × ② ) Indoor unit ( ⓑ ) 4way cassette (AM071FN4DEH ✴ ) 5 0.45 2.25 ⓑ 4.66 4way ...

43 ENGLISH Keeping refrigerant pipe To prevent foreign materials or water from entering the pipe, storing method and sealing method (especially during installation)is very important. Apply correct sealing method depending on the environment. Exposure place Exposure time Sealing type Outdoor Longer t...

44 Refrigerant pipe installation Cutting or flaring the pipes 1. Make sure that you prepared the required tools. f Pipe cutter, Deburring tool, flaring tool and pipe holder, etc. 2. If you want to shorten the pipe, cut it with a pipe cutter ensuring that the cut edge remains at 90° with the side of th...

45 ENGLISH Connecting the flared pipes f Check if the flaring is properly done according to the standard size. f Align the center of the piping and tighten the flare nut with your hands. Then, tighten the flare nut with torque wrench in a direction of the arrow indicated in below illustration. f Make su...

46 Refrigerant pipe installation Caution for using knock-out hole Knock-out hole t Make sure to prevent any damages on the exterior of the outdoor unit. t Remove all burrs around the knock-out hole and apply varnish on the cross section and edges of the knock-out hole to prevent rust. t Use a cable ...

48 Refrigerant pipe installation 3. Pipe installation between the outdoor units f You will need branch joints, which is an optional accessory, for connecting in between outdoor units in order to combine outdoor units in module. ❇ For optimal distribution of the refrigerant, you must use Y-joint as b...

49 ENGLISH Examples of refrigerant pipe installation H/P 1. Using Y-joint 2. Using distribution header H/R Using Y-joint MCU MCU MCU MCU MCU MCU Note 1) Note 1) Direct-connected indoor unit without MCU (for HR only) - This indoor unit can only be used for cooling operation. (Heating operation is not...

51 ENGLISH Classification Example Remarks Maximum allowable height difference of pipe Outdoor unit ~ Indoor unit 110/110m Note 2) H1 ≤ 110/110m Indoor unit ~ Indoor unit 50m or less H2 ≤ 50m But, when AM ✴✴✴✴ NQDEH ✴ / AM ✴✴✴ JNV ✴ is installed, H2 is 15 m or less. Maximum allowable length after branc...

54 Refrigerant pipe installation Note 2) Required condition Classification Condition Example First branch joint ~ Farthest Indoor unit 45 m ≤ b+h+k, l+m+q, l+r ≤ 90 m : Size of the branch liquid and low pressure gas pipes (b, l, m) must be increased by 1 grade. Total length of extended pipe If the si...

55 ENGLISH Installing the branch joints Branch joints must be installed ‘horizontally’ or ‘vertically’. Horizontal installation Vertical installation t For A~J type branch joints : Connect the branch joint to the connection pipe with the provided reducer. t For K~Z type branch joints : Cut the conne...

56 Refrigerant pipe installation Installing the distribution header 1. Select the reducer that fits the diameter of the pipe. <Gas side> Socket Pipe * To indoor unit Pipe* Socket To outdoor unit <Liquid side> Socket Pipe* To indoor unit Pipe* Socket To outdoor unit Provided item ❇ Pipe : ...

57 ENGLISH 3. Install the distribution header horizontally. f Install the distribution header horizontally so that its ports does not face down. Below ±10° Horizon line Socket Distribution header Pipe (Separately purchased item) Below ±15° Horizon line Horizon line < Liquid side > Below ±15° H...

58 Refrigerant pipe installation <Liquid side> ❇ Use the attached reducer according to the selected pipe size. Pipe Reducer Reducer Pipe To other outdoor unit To other outdoor joint or Y-joint of the main pipe To other outdoor joint or outdoor unit <Gas side> ❇ Use the attached reducer a...

59 ENGLISH Installing the MCU MCU specification Model MCU-S6NEK2N MCU-S4NEK3N MCU-S2NEK2N MCU-S1NEK1N Exterior of MCU Number of connectable indoor units at one port Up to 8 units Up to 8 units Up to 8 units Up to 8 units The maximum capacity of the connectable indoor units at one port 16 kW 16 kW 16 ...

60 Refrigerant pipe installation Installing the indoor units Model MCU-S6NEK2N MCU-S4NEK3N MCU-S2NEK2N MCU-S1NEK1N Example installing (Each port connection) Example installing (MCU series connection) MCU MCU MCU series connection Installing indoor units Under 16.0 kW indoor unit : Don’t use Y-connec...

61 ENGLISH How to connect the pipes Pipe connection from outdoor unit Default installing direction. Pipe connection to indoor unit Gas pipe (welding) Liquid pipe (welding) Protect with wet towel when welding 70 mm Low pressure gas pipe connection (welding) High pressure gas pipe connection (welding)...

62 Electrical wiring work Specification of the circuit breaker and power cable Single (Heat pump) Model MCA MFA AM080FXVAGH 18.0 25 AM100FXVAGH 21.1 32 AM120FXVAGH 25.0 32 AM140FXVAGH 25.0 32 AM160FXVAGH 32.0 40 AM180FXVAGH 39.1 50 AM200FXVAGH 42.5 63 AM220FXVAGH 44.5 63 AM240HXVAGH 55.0 63 AM260HXVA...

65 ENGLISH t This device is intended for the connection to a power supply system with a maximum permissible system impedance shown in the table (on the left page) at the interface point (power service box) of the user’s supply. t The user must ensure that this device is connected only to a power sup...

66 Electrical wiring work Power and communication cable configuration f Main power and the ground cable must be withdrawn through the knock-out hole on the bottom-right or right side of the cabinet. f Withdraw the communication cable from the designated knock-out hole on the bottom-right side of the ...

67 ENGLISH Specification of the protection tube Name Temper grade Applicable conditions Flexible PVC conduit PVC When the protection tube is installed indoor and not exposed to outside, because it is embedded in concrete structure Class 1 flexible conduit Galvanized steel sheet When the protection tub...

68 Electrical wiring work Power wiring diagram Supplying 3 phase 4 wires (380-415 V~) or 3 phase 4 wires (380-415 V~) Main unit Main unit Sub unit Sub unit Communication cable (Outdoor unit ~ Outdoor unit) Main unit Sub unit 1 Sub unit 2 Single phase 2 wires (220-240 V~) Communication cable (Outdoor...

69 ENGLISH Selecting solderless ring terminal f Select a solderless ring terminal for a power cable according to the nominal dimensions for cable. f Apply insulation coating to the connection part of the solderless ring terminal and the power cable. Silver solder Nominal dimensions for cable (mm 2 )...

70 Electrical wiring work Connecting the power terminal f Connect the cables to the terminal board with solderless ring terminals. f Properly connect the cables by using certified and rated cables and make sure to fix them properly so that external force is not applied to the terminal. f Use a driver ...

71 ENGLISH Examples of how to use the cable striper <Cable striper> 1. Adjust the blade position by coin. (Controller is at the bottom side of the tool.) Fix the blade position according to the outer sheath thickness of the power cable. 2. Fix the power cable and tool by using the hook at the ...

72 Electrical wiring work Fixing the power cable 3 phase 4 wires (380-415 V~) Sub unit communication cable Sub unit 3 phase 380-415 V~ ELCB MCCB+ ELB or t Do not let the power cable come into contact with the pipes inside the outdoor unit. If the power supply cable touches the pipes, the vibration o...

73 ENGLISH Fixing the ground cable f Connect the ground cable to the grounding hole inside the power supply box. Grounding Withdrawing the power cable f Withdrawing from the front side - Connect the power cable protection tube into the power supply box as shown picture. - Be sure that the power supp...

74 Electrical wiring work Installing the Solution device f When the number of indoor units installed with the outdoor unit is 16 or less F1 F2 OF1 OF2 R1 R2 F1 Terminal block with indoor unit F2 OF1 Terminal block with outdoor unit sub module OF2 R1 Terminal block with solution device R2

75 ENGLISH Connecting the MCU (MCU-S6NEE1N, MCU-S4NEE1N, MCU-S4NEE2N, MCU-S2NEK1N) Example 1 Indoor unit Outdoor unit Indoor unit ELB MCCB 220-240 V~ Example 2 Indoor unit Outdoor unit ELB MCCB 220-240 V~ Indoor unit Indoor unit f Power must be supplied to the MCU separately from the outdoor unit. f...

76 Electrical wiring work Connecting the MCU (MCU-S6NEK2N, MCU-S4NEK3N, MCU-S2NEK2N, MCU-S1NEK1N) Example Outdoor unit Indoor unit Indoor unit ELB ELB MCCB MCCB 220-240 V~ f Power must be supplied to the MCU separately from the outdoor unit. f Connect the communication cable of the outdoor unit (F1,...

77 ENGLISH Air tightness test and vacuum drying Air tightness test f Use tools for R-410A to prevent the inflow of foreign substances and resist against the internal pressure. f Do not remove the core of filling port. f Use Nitrogen gas for air tightness test as shown in the illustration. H/P H/R Mani...

78 Air tightness test and vacuum drying Vacuum drying pipes and indoor units f Use tools for R-410A to prevent the inflow of foreign substances and resist against the internal pressure. f Use vacuum pump that allows vacuuming under -100.7kPa (5 Torr). f Use the vacuum pump with the check valve to pre...

79 ENGLISH Pipe insulation Insulating the refrigerant pipes and branch joints f Check for gas leakage before completing (the hose and pipe insulation) and if there is no sign of leakage, make sure to insulate the pipes and hoses. f Use EPDM material insulator that meets the following conditions. Tes...

80 Pipe insulation Insulate the refrigerant pipe f Make sure to insulate the refrigerant pipe, branch joint, distribution header, and the connection part of the pipes. f If you insulate the pipes, condensed water will not fall from the pipes. f Check if there are any cracks on the insulation at the ...

81 ENGLISH Insulate the distribution header f Fix the distribution header with a cable tie and cover the connected part. f Insulate the distribution header and the welded part and wrap the connected part with an adhesive insulation tape to prevent dew formation. Insulation Adhesive insulation tape I...

82 Pipe insulation Insulating the pipe located inside of the outdoor unit f With a pipe insulator, insulate the pipe up to whole service valve located inside of the outdoor unit. f Seal the gap between the outdoor unit pipe and the insulator. Rainwater and dewdrops may soak through the gap between t...

83 ENGLISH Please fill in the following with indelible ink on the refrigerant charge label supplied with this product and on this manual. f ① : The factory refrigerant charge of the product. f ② : The additional refrigerant amount charged in the field. f ① + ② : The total refrigerant charge. d Indoor ...

84 Charging refrigerant Module installation f Open the manifold gauge valve connected to the liquid side service valve and add the liquid refrigerant. f If you cannot add the whole quantity of the refrigerant while the outdoor unit is stopped, open the gas side and liquid side service valve. Then, a...

85 ENGLISH Basic segment display Step Display content Display At initial power input Checking segment display SEG 1 SEG 2 SEG 3 SEG 4 “8” “8” “8” “8” While setting communication between indoor and outdoor unit (Addressing) Number of connected indoor units SEG 1 SEG 2 SEG 3 SEG 4 “A” “d” Number of co...

86 Setting outdoor unit option switch and key function Setting outdoor unit option switches: B TYPE f Setting outdoor install option Step Button Display Description Note Start Outdoor unit address Quantity of indoor units Main unit? No No Yes Yes Save Heat recovery? Quantity of MCUs Outdoor unit add...

87 ENGLISH Installing and setting the option with tact switch and explanation of the functions Setting the option 1. Press and hold K2 to enter the option setting. (Only available when the operation is stopped) - If you enter the option setting, display will show the following. (If you have set the ...

88 Setting outdoor unit option switch and key function Optional item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks Emergency operation for compressor malfunction Individual 0 0 0 0 Disabled (Factory default) E560 will occur when all the compressors are set as malfunction state. 0 1 S...

91 ENGLISH Setting key operation and checking the view mode with tact switch K1 K2 K3 K4 < A type > < B type > K1 control KEY operation Display on segment Press and hold 1 time Auto trial operation “K” “K” “BLANK” “BLANK” K1 (Number of press) KEY operation Display on segment 1 time Refri...

92 t After installing the product, be sure to perform leak tests on the piping connections. After pumping down refrigerant to inspect or relocate the outdoor unit, be sure to stop the compressor and then remove the connected pipes. - Do not operate the compressor while a valve is open due to refrige...

95 ENGLISH Setting the MCU and Pipe Addresses (for HR Only) You can set the MCU address, the MCU ports to use, and the address for each MCU port connected to each indoor unit.It is for 2nd-generation MCU only. (MCU-S ✴ NEK2N,MCU-S4NEK3N,MCU-S1NEK1N) Setting the MCU address and the MCU ports to use Y...

96 Setting the MCU and Pipe Addresses (for HR Only) Setting the Pipe Addresses Manually You can use the wired or wireless remote control or the S-NET Pro 2 to set the pipe addresses for each indoor unit. Setting by using the wired or wireless remote control (For how to operate the remote control but...

97 ENGLISH Setting the Pipe Addresses Automatically (Auto pipe pairing operation) You can use the Automatic pipe-address setting operation to automatically set the address of each MCU port that is connected to an indoor unit.If an MCU port is set incorrectly or a pipe between an MCU and an indoor un...

98 Setting the MCU and Pipe Addresses (for HR Only) ❇ Before running the Auto pipe pairing operation, be sure to close the front cabinet. If this operation is run with the front cabinet open, the product may be damaged and the pipe addresses cannot be correctly recognized. To run the Auto pipe pairi...

99 ENGLISH 2. When the Auto pipe pairing operation finishes, the following data is shown on the outdoor unit display. Result Outdoor unit display Description Setting completed End Setting error E191 Indoor unit data (displayed alternately) Indoor unit data - SEG 1,2 = indoor unit address / SEG 3,4 = ...

100 Things to check after completing the installation 3. Check if the R-410A indoor units are connected.4. When N phase is not correctly connected to R, S and T phase, over-voltage protection control will be in effect and it will cut-off the power of the PCB. Check the power cable connection of the N ...

101 ENGLISH Inspection and test operation Precautions before test operation t When the outdoor temperature is low, turn on the main power 6 hours before beginning the operation. - If you start the operation immediately after turning on the main power, it may cause serious damage to the part within t...

102 Inspection and test operation - In Auto trial operation, product will automatically select either cooling or heating mode and operate in selected mode. - In the temperature range marked with slashed pattern, system protection control may trigger during operation. (If the system protection contro...

103 ENGLISH Inspection and trial operation Measure to take when E503 error occurs Perform Trial Operation (cooling/heating)- See the instructions on Key operation modes. Perform Auto Trial Operation again Yes Yes Yes Yes Yes Take corrective measures. No. Is the ball valve on the outdoor unit opened?...

104 Inspection and trial operation ❇ Symptoms for abnormal operation of the 4way valve - Abnormal noise during compressor operation, Increase in the suction temperature. ❇ Symptoms for abnormal operation of the Main EEV - It is not possible to control the superheat (SH) - It is not possible to secur...

105 ENGLISH Measure to take when E505, E506 error occurs Keep all the outdoor units in vacuum mode for 5 min.- See the instructions on Key operation modes. Perform Auto Trial Operation again Yes Yes Yes Open the valve. No. Is the ball valve (service valve) on each outdoor unit opened? Take correctiv...

107 ENGLISH Automatic refrigerant amount detection function This function detects amount of refrigerant in the system through refrigerant amount detection operation Start Press the Tact switch "K2" 5 times Check the amount of refrigerant Judge the amount of refrigerant Judgment on the amount...

108 Automatic refrigerant amount detection function t If the temperature is out of the guaranteed range below, exact result will not be obtained. - Indoor: 20~32 °C - Outdoor: 5~43 °C t If the operation cycle is not stable, the operation of refrigerant amount check may be forcibly finished. t Accurac...

SAMSUNG ELECTRONICS CO., LTD. 107, Hanamsandan 6beon-ro, Gwangsan-gu, Gwangju-si, Korea 62218 Samsung Electronics Service DepartmentPO Box 12987, Blackrock, Co. Dublin. IrelandorBlackbushe Business Park, Yateley, GU46 6GG. UK

5 ENGLISH For use in Europe : This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and ...

6 Safety precautions Changes in DVM S (inverter) compare to conventional models that has to noted when installing X For optimal distribution of the refrigerant, you must use Y-joint as branch joint for connecting outdoor units. (To not use T-joint) X You cannot operate normally if you do not complet...

7 ENGLISH Preparing for installation Outdoor unit combination f Make sure to use an indoor unit that is compatible with DVM S. f Indoor units can be connected within the range indicated in following table. f If the total capacity of the connected indoor units exceeds the indicated maximum capacity, ...

16 Preparing for installation Moving the outdoor unit f Select the moving path in advance. f Be sure that moving path can support weight of the outdoor unit. f Do not slant the product more than 30˚ when carrying it. (Do not lay the product down in sideways.) f Surface of the heat exchanger is sharp...

17 ENGLISH Selecting installation location Decide the installation location, with the consideration of the following conditions, under user’s approval. f Place where hot discharge air or noise from the outdoor unit may not disturb the neighbor (Especially in residential areas, keep the operation hou...

18 Selecting installation location Sea Sea breeze Outdoor unit Protection wall should be constructed with a solid material that can block the sea breeze and the height and width of the wall should be 1.5 times larger than the size of the outdoor unit. (You must secure more than 700mm of space betwee...

19 ENGLISH Space requirement for installation f Space requirement was decided based on following conditions; Cooling mode, outdoor temperature of 35 °C. Larger space is required if the outdoor temperature is higher than 35 °C or if the place is heated easily by quantity of solar radiation. f When yo...

20 Space requirement for installation Module installation (Unit : mm) <Case 3> O ver 500 O ver 500 O ver 600 Over 100 Over 100 Over 100 Over 100 Over 100 Over 100 Over 100 Over 100 Front side Front side <Case 1> <Case 2> O ver 200 O ver 100 O ver 300 (S2) O ver 500 (S1) Over 100 Ov...

21 ENGLISH Accessories Accessories f You must keep following accessories until the installation is finished. f Hand over the installation manual to the customer after finishing the installation. Installation manual (1) Packing socket (1) ❇ Models with packing socket : AM140/240/260 ✴ XVAGH, AM180 ✴ XV...

22 Base construction and installation of the outdoor unit t Make sure to remove the wooden pallet before installing the outdoor unit. If you do not remove the wooden pallet, there is risk of fire during welding the pipes. If the outdoor unit is installed with wooden pallet on, and it was used for lon...

23 ENGLISH Outdoor unit installation O ver 200 mm O ver 50 mm Base ground H beam or anti-vibration frame Over 200 mm Outdoor unit base mount and anchor bolt position A B 54 761 803 54 Outdoor unit - Anti-vibration frame (4-Ø 12) Anti-vibration - Base ground (4-Ø 18) (Unit : mm) Classification Small t...

24 Base construction and installation of the outdoor unit Examples of draining work f Construct the drainage ditch with reinforced concretes and make sure that water-proofing work is done. f For smooth draining of defrost water, make sure to apply 1/50 slope. f Construct a drainage around the outdoor...

25 ENGLISH Cautions regarding on connecting the anchor bolt X Tighten the rubber washer to prevent the bolt connection part of the outdoor unit from corroding. Rubber washer f Anchor specification Size Diameter of drill bit (a) Anchor length (b) Sleeve length (c) Insert depth Fastening torque B C D N...

26 Base construction and installation of the outdoor unit Caution for installing discharge duct f Static pressure of the discharge duct should be within the standard specification (78.45 Pa) when installing the duct. f If you remove the fan guard to install the discharge duct, make sure to install a ...

27 ENGLISH Installing the wind/snow prevention duct Installing the outdoor unit around the obstacles f It is necessary to install a wind/snow prevention duct(field supply) to direct exhaust from the fan horizontally, when it is difficult to provide a minimum space of 2m between the air outlet and a nea...

28 Installing the wind/snow prevention duct Installing the outdoor unit in windy region f In windy regions such as near sea shores, protection wall or wind protection duct must be installed for normal operation of the outdoor unit. (Refer to the illustration of the snow prevention duct, for installi...

29 ENGLISH Refrigerant pipe installation t When installing, make sure there is no leakage. When collecting the refrigerant, stop the compressor first before removing the connection pipe. If the refrigerant pipe is not properly connected and the compressor works with the service valve open, the pipe i...

30 Refrigerant pipe installation Selecting refrigerant pipe First branch joint Increase the main pipe size f Install the refrigerant pipe according to main pipe size of each outdoor unit capacity. f When the pipe length (including elbow) between an outdoor unit and the farthest indoor unit exceeds 9...

31 ENGLISH H/P 33.6 kW 40.0 kW (D) (E) (C) (A)(B) (3) (2) (1) 61.6 kW Ex.) 135.2 kW Capacity (kW) No. Pipe size (mm) Liquid pipe Gas pipe 33.6 kW (1) Ø 12.70 Ø 28.58 73.6 kW (2) Ø 19.05 Ø 34.92 135.2 kW (3) Ø 19.05 Ø 41.28 Size of the pipe connected to the outdoor unit (A) Select the size of the mai...

32 Refrigerant pipe installation Size of the pipe between branch joints (B) Select the pipe size according to the sum of indoor unit capacity which will be connected after the branch. ❇ However, if the size of the pipe between branch joints (B) is bigger than the size of the pipe connected to the ou...

33 ENGLISH 33.6 kW 40.0 kW (D) (E) (C) (A)(B) (3) (2) (1) 61.6 kW Branch joint f Branch joint between outdoor units (C) Classification Model name Specification (kW) Y-joint for outdoor unit (C) MXJ-TA3419M 135.2 kW and below MXJ-TA4122M Over 140.2 kW f First branch joint (D)Make a selection according ...

35 ENGLISH H/R (A) (B) 33.6 kW 40.0 kW (D) (E) (F) (C) (3) (2) (1) 61.6 kW Ex.) 135.2 kW Capacity (kW) No. Pipe size (mm) Liquid pipe Gas pipe High pressure gas pipe 33.6 kW (1) Ø 12.70 Ø 28.58 Ø 19.05 73.6 kW (2) Ø 19.05 Ø 34.92 Ø 28.58 135.2 kW (3) Ø 19.05 Ø 41.28 Ø 34.92 Size of the pipe connecte...

38 Refrigerant pipe installation Additional refrigerant H/P H/R Ø12.70 (5 m) Ø12.70 (5 m) Ø12.70 (5 m) Ø6.35 (5 m) Ø6.35 (10 m) Ø6.35 (15 m) Ø9.52 (10 m) Ø9.52 (10 m) Ø9.52 (10 m) Ø9.52 (10 m) Ø6.35 (5 m) Ø9.52 (10 m) 46.4 kW 4.5 kW 5.6 kW 5.6 kW 7.1 kW 7.1 kW 7.1 kW 7.1 kW 3.6 kW Ø9.52 (1m) Ø12.70 ...

39 ENGLISH f Amount of additional refrigerant depending on the pipe size ( ⓐ ) - Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length. Size of liquid pipe Ø 6.35 Ø 9.52 Ø 12.70 Ø 15.88 Ø 19.05 Ø 22.22 Ø 25.40 Ø 28.58 Additional amount (kg/m) 0.02 0.06 0.12...

40 Capacity (kW) Model 1.5 1.7 2.2 2.8 3.2 3.6 4 4.5 5.6 6 7.1 8.2 9 9.3 11 11.2 12.8 14 16 18 22 22.4 25 28 32 50 500 CMH 1000 CMH Concealed Floor Standing (AM ✴✴✴✴ NFDEH/ ✴✴ ) 0.22 0.32 0.32 Floor Standing (AM ✴✴✴✴ NPDKH/ ✴✴ ) 0.69 1.85 Ceiling (AM ✴✴✴✴ NCDEH/ ✴✴ ) (AM ✴✴✴✴ NCDKH/ ✴✴ ) 0.39 0.39 0...

42 Refrigerant pipe installation Classification Model name of indoor unit Number of units Unit amount of refrigerant (kg/EA) Amount of additional refrigerant (kg) Total amount of additional refrigerant (kg) ① ② ① × ② ∑( ① × ② ) Indoor unit ( ⓑ ) 4way cassette (AM071FN4DEH ✴ ) 5 0.45 2.25 ⓑ 4.66 4way ...

43 ENGLISH Keeping refrigerant pipe To prevent foreign materials or water from entering the pipe, storing method and sealing method (especially during installation)is very important. Apply correct sealing method depending on the environment. Exposure place Exposure time Sealing type Outdoor Longer t...

44 Refrigerant pipe installation Cutting or flaring the pipes 1. Make sure that you prepared the required tools. f Pipe cutter, Deburring tool, flaring tool and pipe holder, etc. 2. If you want to shorten the pipe, cut it with a pipe cutter ensuring that the cut edge remains at 90° with the side of th...

45 ENGLISH Connecting the flared pipes f Check if the flaring is properly done according to the standard size. f Align the center of the piping and tighten the flare nut with your hands. Then, tighten the flare nut with torque wrench in a direction of the arrow indicated in below illustration. f Make su...

46 Refrigerant pipe installation Caution for using knock-out hole Knock-out hole t Make sure to prevent any damages on the exterior of the outdoor unit. t Remove all burrs around the knock-out hole and apply varnish on the cross section and edges of the knock-out hole to prevent rust. t Use a cable ...

48 Refrigerant pipe installation 3. Pipe installation between the outdoor units f You will need branch joints, which is an optional accessory, for connecting in between outdoor units in order to combine outdoor units in module. ❇ For optimal distribution of the refrigerant, you must use Y-joint as b...

49 ENGLISH Examples of refrigerant pipe installation H/P 1. Using Y-joint 2. Using distribution header H/R Using Y-joint MCU MCU MCU MCU MCU MCU Note 1) Note 1) Direct-connected indoor unit without MCU (for HR only) - This indoor unit can only be used for cooling operation. (Heating operation is not...

51 ENGLISH Classification Example Remarks Maximum allowable height difference of pipe Outdoor unit ~ Indoor unit 110/110m Note 2) H1 ≤ 110/110m Indoor unit ~ Indoor unit 50m or less H2 ≤ 50m But, when AM ✴✴✴✴ NQDEH ✴ / AM ✴✴✴ JNV ✴ is installed, H2 is 15 m or less. Maximum allowable length after branc...

54 Refrigerant pipe installation Note 2) Required condition Classification Condition Example First branch joint ~ Farthest Indoor unit 45 m ≤ b+h+k, l+m+q, l+r ≤ 90 m : Size of the branch liquid and low pressure gas pipes (b, l, m) must be increased by 1 grade. Total length of extended pipe If the si...

55 ENGLISH Installing the branch joints Branch joints must be installed ‘horizontally’ or ‘vertically’. Horizontal installation Vertical installation t For A~J type branch joints : Connect the branch joint to the connection pipe with the provided reducer. t For K~Z type branch joints : Cut the conne...

56 Refrigerant pipe installation Installing the distribution header 1. Select the reducer that fits the diameter of the pipe. <Gas side> Socket Pipe * To indoor unit Pipe* Socket To outdoor unit <Liquid side> Socket Pipe* To indoor unit Pipe* Socket To outdoor unit Provided item ❇ Pipe : ...

57 ENGLISH 3. Install the distribution header horizontally. f Install the distribution header horizontally so that its ports does not face down. Below ±10° Horizon line Socket Distribution header Pipe (Separately purchased item) Below ±15° Horizon line Horizon line < Liquid side > Below ±15° H...

58 Refrigerant pipe installation <Liquid side> ❇ Use the attached reducer according to the selected pipe size. Pipe Reducer Reducer Pipe To other outdoor unit To other outdoor joint or Y-joint of the main pipe To other outdoor joint or outdoor unit <Gas side> ❇ Use the attached reducer a...

59 ENGLISH Installing the MCU MCU specification Model MCU-S6NEK2N MCU-S4NEK3N MCU-S2NEK2N MCU-S1NEK1N Exterior of MCU Number of connectable indoor units at one port Up to 8 units Up to 8 units Up to 8 units Up to 8 units The maximum capacity of the connectable indoor units at one port 16 kW 16 kW 16 ...

60 Refrigerant pipe installation Installing the indoor units Model MCU-S6NEK2N MCU-S4NEK3N MCU-S2NEK2N MCU-S1NEK1N Example installing (Each port connection) Example installing (MCU series connection) MCU MCU MCU series connection Installing indoor units Under 16.0 kW indoor unit : Don’t use Y-connec...

61 ENGLISH How to connect the pipes Pipe connection from outdoor unit Default installing direction. Pipe connection to indoor unit Gas pipe (welding) Liquid pipe (welding) Protect with wet towel when welding 70 mm Low pressure gas pipe connection (welding) High pressure gas pipe connection (welding)...

62 Electrical wiring work Specification of the circuit breaker and power cable Single (Heat pump) Model MCA MFA AM080FXVAGH 18.0 25 AM100FXVAGH 21.1 32 AM120FXVAGH 25.0 32 AM140FXVAGH 25.0 32 AM160FXVAGH 32.0 40 AM180FXVAGH 39.1 50 AM200FXVAGH 42.5 63 AM220FXVAGH 44.5 63 AM240HXVAGH 55.0 63 AM260HXVA...

65 ENGLISH t This device is intended for the connection to a power supply system with a maximum permissible system impedance shown in the table (on the left page) at the interface point (power service box) of the user’s supply. t The user must ensure that this device is connected only to a power sup...

66 Electrical wiring work Power and communication cable configuration f Main power and the ground cable must be withdrawn through the knock-out hole on the bottom-right or right side of the cabinet. f Withdraw the communication cable from the designated knock-out hole on the bottom-right side of the ...

67 ENGLISH Specification of the protection tube Name Temper grade Applicable conditions Flexible PVC conduit PVC When the protection tube is installed indoor and not exposed to outside, because it is embedded in concrete structure Class 1 flexible conduit Galvanized steel sheet When the protection tub...

68 Electrical wiring work Power wiring diagram Supplying 3 phase 4 wires (380-415 V~) or 3 phase 4 wires (380-415 V~) Main unit Main unit Sub unit Sub unit Communication cable (Outdoor unit ~ Outdoor unit) Main unit Sub unit 1 Sub unit 2 Single phase 2 wires (220-240 V~) Communication cable (Outdoor...

69 ENGLISH Selecting solderless ring terminal f Select a solderless ring terminal for a power cable according to the nominal dimensions for cable. f Apply insulation coating to the connection part of the solderless ring terminal and the power cable. Silver solder Nominal dimensions for cable (mm 2 )...

70 Electrical wiring work Connecting the power terminal f Connect the cables to the terminal board with solderless ring terminals. f Properly connect the cables by using certified and rated cables and make sure to fix them properly so that external force is not applied to the terminal. f Use a driver ...

71 ENGLISH Examples of how to use the cable striper <Cable striper> 1. Adjust the blade position by coin. (Controller is at the bottom side of the tool.) Fix the blade position according to the outer sheath thickness of the power cable. 2. Fix the power cable and tool by using the hook at the ...

72 Electrical wiring work Fixing the power cable 3 phase 4 wires (380-415 V~) Sub unit communication cable Sub unit 3 phase 380-415 V~ ELCB MCCB+ ELB or t Do not let the power cable come into contact with the pipes inside the outdoor unit. If the power supply cable touches the pipes, the vibration o...

73 ENGLISH Fixing the ground cable f Connect the ground cable to the grounding hole inside the power supply box. Grounding Withdrawing the power cable f Withdrawing from the front side - Connect the power cable protection tube into the power supply box as shown picture. - Be sure that the power supp...

74 Electrical wiring work Installing the Solution device f When the number of indoor units installed with the outdoor unit is 16 or less F1 F2 OF1 OF2 R1 R2 F1 Terminal block with indoor unit F2 OF1 Terminal block with outdoor unit sub module OF2 R1 Terminal block with solution device R2

75 ENGLISH Connecting the MCU (MCU-S6NEE1N, MCU-S4NEE1N, MCU-S4NEE2N, MCU-S2NEK1N) Example 1 Indoor unit Outdoor unit Indoor unit ELB MCCB 220-240 V~ Example 2 Indoor unit Outdoor unit ELB MCCB 220-240 V~ Indoor unit Indoor unit f Power must be supplied to the MCU separately from the outdoor unit. f...

76 Electrical wiring work Connecting the MCU (MCU-S6NEK2N, MCU-S4NEK3N, MCU-S2NEK2N, MCU-S1NEK1N) Example Outdoor unit Indoor unit Indoor unit ELB ELB MCCB MCCB 220-240 V~ f Power must be supplied to the MCU separately from the outdoor unit. f Connect the communication cable of the outdoor unit (F1,...

77 ENGLISH Air tightness test and vacuum drying Air tightness test f Use tools for R-410A to prevent the inflow of foreign substances and resist against the internal pressure. f Do not remove the core of filling port. f Use Nitrogen gas for air tightness test as shown in the illustration. H/P H/R Mani...

78 Air tightness test and vacuum drying Vacuum drying pipes and indoor units f Use tools for R-410A to prevent the inflow of foreign substances and resist against the internal pressure. f Use vacuum pump that allows vacuuming under -100.7kPa (5 Torr). f Use the vacuum pump with the check valve to pre...

79 ENGLISH Pipe insulation Insulating the refrigerant pipes and branch joints f Check for gas leakage before completing (the hose and pipe insulation) and if there is no sign of leakage, make sure to insulate the pipes and hoses. f Use EPDM material insulator that meets the following conditions. Tes...

80 Pipe insulation Insulate the refrigerant pipe f Make sure to insulate the refrigerant pipe, branch joint, distribution header, and the connection part of the pipes. f If you insulate the pipes, condensed water will not fall from the pipes. f Check if there are any cracks on the insulation at the ...

81 ENGLISH Insulate the distribution header f Fix the distribution header with a cable tie and cover the connected part. f Insulate the distribution header and the welded part and wrap the connected part with an adhesive insulation tape to prevent dew formation. Insulation Adhesive insulation tape I...

82 Pipe insulation Insulating the pipe located inside of the outdoor unit f With a pipe insulator, insulate the pipe up to whole service valve located inside of the outdoor unit. f Seal the gap between the outdoor unit pipe and the insulator. Rainwater and dewdrops may soak through the gap between t...

83 ENGLISH Please fill in the following with indelible ink on the refrigerant charge label supplied with this product and on this manual. f ① : The factory refrigerant charge of the product. f ② : The additional refrigerant amount charged in the field. f ① + ② : The total refrigerant charge. d Indoor ...

84 Charging refrigerant Module installation f Open the manifold gauge valve connected to the liquid side service valve and add the liquid refrigerant. f If you cannot add the whole quantity of the refrigerant while the outdoor unit is stopped, open the gas side and liquid side service valve. Then, a...

85 ENGLISH Basic segment display Step Display content Display At initial power input Checking segment display SEG 1 SEG 2 SEG 3 SEG 4 “8” “8” “8” “8” While setting communication between indoor and outdoor unit (Addressing) Number of connected indoor units SEG 1 SEG 2 SEG 3 SEG 4 “A” “d” Number of co...

86 Setting outdoor unit option switch and key function Setting outdoor unit option switches: B TYPE f Setting outdoor install option Step Button Display Description Note Start Outdoor unit address Quantity of indoor units Main unit? No No Yes Yes Save Heat recovery? Quantity of MCUs Outdoor unit add...

87 ENGLISH Installing and setting the option with tact switch and explanation of the functions Setting the option 1. Press and hold K2 to enter the option setting. (Only available when the operation is stopped) - If you enter the option setting, display will show the following. (If you have set the ...

88 Setting outdoor unit option switch and key function Optional item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks Emergency operation for compressor malfunction Individual 0 0 0 0 Disabled (Factory default) E560 will occur when all the compressors are set as malfunction state. 0 1 S...

91 ENGLISH Setting key operation and checking the view mode with tact switch K1 K2 K3 K4 < A type > < B type > K1 control KEY operation Display on segment Press and hold 1 time Auto trial operation “K” “K” “BLANK” “BLANK” K1 (Number of press) KEY operation Display on segment 1 time Refri...

92 t After installing the product, be sure to perform leak tests on the piping connections. After pumping down refrigerant to inspect or relocate the outdoor unit, be sure to stop the compressor and then remove the connected pipes. - Do not operate the compressor while a valve is open due to refrige...

95 ENGLISH Setting the MCU and Pipe Addresses (for HR Only) You can set the MCU address, the MCU ports to use, and the address for each MCU port connected to each indoor unit.It is for 2nd-generation MCU only. (MCU-S ✴ NEK2N,MCU-S4NEK3N,MCU-S1NEK1N) Setting the MCU address and the MCU ports to use Y...

96 Setting the MCU and Pipe Addresses (for HR Only) Setting the Pipe Addresses Manually You can use the wired or wireless remote control or the S-NET Pro 2 to set the pipe addresses for each indoor unit. Setting by using the wired or wireless remote control (For how to operate the remote control but...

97 ENGLISH Setting the Pipe Addresses Automatically (Auto pipe pairing operation) You can use the Automatic pipe-address setting operation to automatically set the address of each MCU port that is connected to an indoor unit.If an MCU port is set incorrectly or a pipe between an MCU and an indoor un...

98 Setting the MCU and Pipe Addresses (for HR Only) ❇ Before running the Auto pipe pairing operation, be sure to close the front cabinet. If this operation is run with the front cabinet open, the product may be damaged and the pipe addresses cannot be correctly recognized. To run the Auto pipe pairi...

99 ENGLISH 2. When the Auto pipe pairing operation finishes, the following data is shown on the outdoor unit display. Result Outdoor unit display Description Setting completed End Setting error E191 Indoor unit data (displayed alternately) Indoor unit data - SEG 1,2 = indoor unit address / SEG 3,4 = ...

100 Things to check after completing the installation 3. Check if the R-410A indoor units are connected.4. When N phase is not correctly connected to R, S and T phase, over-voltage protection control will be in effect and it will cut-off the power of the PCB. Check the power cable connection of the N ...

101 ENGLISH Inspection and test operation Precautions before test operation t When the outdoor temperature is low, turn on the main power 6 hours before beginning the operation. - If you start the operation immediately after turning on the main power, it may cause serious damage to the part within t...

102 Inspection and test operation - In Auto trial operation, product will automatically select either cooling or heating mode and operate in selected mode. - In the temperature range marked with slashed pattern, system protection control may trigger during operation. (If the system protection contro...

103 ENGLISH Inspection and trial operation Measure to take when E503 error occurs Perform Trial Operation (cooling/heating)- See the instructions on Key operation modes. Perform Auto Trial Operation again Yes Yes Yes Yes Yes Take corrective measures. No. Is the ball valve on the outdoor unit opened?...

104 Inspection and trial operation ❇ Symptoms for abnormal operation of the 4way valve - Abnormal noise during compressor operation, Increase in the suction temperature. ❇ Symptoms for abnormal operation of the Main EEV - It is not possible to control the superheat (SH) - It is not possible to secur...

105 ENGLISH Measure to take when E505, E506 error occurs Keep all the outdoor units in vacuum mode for 5 min.- See the instructions on Key operation modes. Perform Auto Trial Operation again Yes Yes Yes Open the valve. No. Is the ball valve (service valve) on each outdoor unit opened? Take correctiv...

107 ENGLISH Automatic refrigerant amount detection function This function detects amount of refrigerant in the system through refrigerant amount detection operation Start Press the Tact switch "K2" 5 times Check the amount of refrigerant Judge the amount of refrigerant Judgment on the amount...

108 Automatic refrigerant amount detection function t If the temperature is out of the guaranteed range below, exact result will not be obtained. - Indoor: 20~32 °C - Outdoor: 5~43 °C t If the operation cycle is not stable, the operation of refrigerant amount check may be forcibly finished. t Accurac...

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