Samsung AM AXV Series Installation Manual
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Samsung AM AXV Series Installation Manual

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Air conditioner
Installation manual
AM***AXV***
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this installation manual carefully and retain it for future
reference.

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Summary of Contents for Samsung AM AXV Series

  • Page 1 Air conditioner Installation manual AM***AXV*** • Thank you for purchasing this Samsung air conditioner. • Before operating this unit, please read this installation manual carefully and retain it for future reference.

  • Page 2: Table Of Contents

    Business users should contact their supplier and check the terms and conditions of the purchase contract. This product and its electronic accessories should not be mixed with other commercial wastes for disposal. For information on Samsung’s environmental commitments and product-specific regulatory obligations, e.g. REACH, visit: www.samsung.com/uk/aboutsamsung/sustainability/environment/our-commitment/data/...

  • Page 3: Safety Information

    But when it has to be relocated for inevitable – If the outdoor unit is not properly fixed, it turns over and reasons, please contact Samsung’s qualified dealers for system accidents may occur. air conditioners.
  • Page 4 Safety Information – When replacing/repairing the PCB, cut-off the power and Lightning rod Protection angle: 25˚~55˚ wait until the DC voltage is discharged before replacing/ repairing them. (Wait for more than 15 minutes to allow it to discharge naturally.) – If the refrigerant gas leaks during the installation, you should ventilate the room.

  • Page 5: Installation Procedure

    ≤ 1.3 × Σ(Outdoor unit capacity) When moving with a crane • Please contact your local Samsung representative or refer • Fasten the wire rope as shown in the figure. to the Technical Data Book for further details if the project requires you to design the project with a connection ratio •...
  • Page 6 Preparations for Outdoor Unit Premium energy efficiency type (Heat Pump) Combined outdoor units Total capacity of the Maximum number Number of connected indoor units Model name for AM***AXVGGH individual of connectable combination Minimum Maximum outdoor units indoor units (kW) (kW) 29.1 AM080AXVGGH 11.2...
  • Page 7 Standard Type (Heat Pump) Combined outdoor units Total capacity of the Maximum number Number of connected indoor units Model name for AM***AXVAGH individual of connectable combination Minimum Maximum outdoor units indoor units (kW) (kW) 29.1 AM080AXVAGH 11.2 AM100AXVAGH 14.0 36.4 AM120AXVAGH 16.8 43.7...
  • Page 8 Preparations for Outdoor Unit Essential type (Heat Pump) Combined outdoor units Total capacity of the Maximum number Number of connected indoor units Model name for AM***AXVDGH/EU individual of connectable combination Minimum Maximum outdoor units indoor units (kW) (kW) AM100AXVDGH 14.0 36.4 AM120AXVDGH 16.8...
  • Page 9 Premium energy efficiency type (Heat Recovery) Combined outdoor units Total capacity of the Maximum number Number of connected indoor units Model name for AM***AXVGGR individual of connectable combination Minimum Maximum outdoor units indoor units (kW) (kW) 29.1 AM080AXVGGR 11.2 AM100AXVGGR 14.0 36.4 AM120AXVGGR...

  • Page 10: Choosing The Installation Location

    – Check the installation site every 3 months and perform anti- • Place where structure can bear the weight and vibration of the corrosion treatment such as R-Pro supplied by SAMSUNG outdoor unit. (Code : MOK-220SA) or commercial water repellent grease •...
  • Page 11 • When you install the outdoor unit in high places such as a roof, Module installation install fence or guardrail around it. When there is no fence or guardrail, service person could fall. (Unit : mm) • Do not install the product in places where corrosive gases such as sulfur oxides, ammonia, and sulfurous gas are produced.

  • Page 12: Preparing Materials And Tools

    Preparing materials and tools Preparing materials and tools • You must keep the installation manual until the installation is Classification Model Name Specification finished. MXJ-YA1500M 22.4 kW and below • Hand over the installation manual to the customer after 22.5 kW ~ 70.3 kW finishing the installation.
  • Page 13 (Unit : mm) Base ground construction DVM S2 Small Type DVM S2 Large Type Classification (mm) W930 x H1695 x D765 W1295 x H1695 x D765 (Unit : mm) Bottom surface of the base ground 1295 must be horizontally leveled 1155 Draining pit Over 200...
  • Page 14 Preparing materials and tools • Caution for installing discharge duct CAUTION – Static pressure of the discharge duct should be within the • Cautions regarding on connecting the anchor bolt standard specification when installing the duct. – If you remove the fan guard to install the discharge duct, –...
  • Page 15 WARNING • Should adopt bar type louver. Don’t use a type of rain resistance louver. [Bar type louver] [Rain resistance louver] Installing the outdoor unit in windy region • In windy regions such as near sea shores, protection wall or •...

  • Page 16: Refrigerant Pipe Installation

    Refrigerant pipe installation Installation process/ Compatibility with WARNING Tool purpose conventional tool • When installing, make sure there is no leakage. When Compatible (Use products collecting the refrigerant, stop the compressor first before which contain the check removing the connection pipe. If the refrigerant pipe is not valve to prevent the oil properly connected and the compressor works with the service Vacuum...
  • Page 17 33.6 kW 40.0 kW 61.6 kW Ex.) 135.2 kW Pipe size (mm) Capacity (kW) Liquid 33.6 Ø 12.70 Ø 28.58 Ø 19.05 Ø 34.92 73.6 Ø 19.05 135.2 Ø 41.28 Size of the pipe connected to the outdoor unit (A) Size of the pipe between the branch joint and the indoor unit Select the size of the main pipe according to the below table.
  • Page 18 Refrigerant pipe installation When all the following conditions are met, install the main liquid pipe that is one step smaller to reduce piping load and the amount of refrigerant. Note that the refrigerant for the main liquid pipe must be added by the specified amount upon reduction. Condition 1: In case the length for vertical piping is less than 40 m Condition 2: Max.
  • Page 19 33.6 kW 40.0 kW 61.6 kW Ex.) 135.2 kW Pipe size (mm) Capacity (kW) Liquid 33.6 Ø 12.70 Ø 28.58 Ø 19.05 Ø 34.92 73.6 Ø 19.05 135.2 Ø 41.28 Size of the pipe connected to the outdoor unit (A) Size of the pipe between the branch joint and the indoor unit (F) Select the size of the main pipe according to the below table.
  • Page 20 Refrigerant pipe installation When all the following conditions are met, install the main liquid pipe that is one step smaller to reduce piping load and the amount of refrigerant. Note that the refrigerant for the main liquid pipe must be added by the specified amount upon reduction. Condition 1: In case the length for vertical piping is less than 40 m Condition 2: Max.
  • Page 21 Additional refrigerant 46.4 kW 61.6 kW (33.6 kW + 28.0 kW) Ø12.70 (5 m) Ø9.52 (1m) Ø12.70 (5 m) 4.5 kW Ø15.88 (10 m) Ø12.70 (5 m) Ø6.35 (5 m) 5.6 kW Ø12.70 (10 m) Ø12.70 (10 m) Ø12.70 (5 m) Ø6.35 (10 m) Ø9.52 (10 m) 5.6 kW Ø6.35(15 m)
  • Page 22 Refrigerant pipe installation • Amount of additional refrigerant for each indoor unit ( ) (Unit: kg) Refrigerant Amount (kg /Unit) Model 1.5 1.7 2.2 2.8 3.2 3.6 4.0 4.5 5.6 6.0 7.1 8.2 9.0 9.3 11.0 11.2 12.8 14.0 16.0 18.0 22.0 22.4 25.0 28.0 32.0 50.0 500CMH 1000CMH Interior 1way cassette (JSF-0) (AM***HN1DEH/**) 0.15 0.15...
  • Page 23 • If AHU kit is included among the indoor units, you must add 0.063kg of refrigerant for every 1kW of the AHU capacity increase. Note1) In case the capacity conjunction of the Hydro Unit HT exceeds 50 % among the total indoor unit, please don’t put the additional refrigerant.
  • Page 24 Refrigerant pipe installation Temper grade and minimum thickness of Refrigerant pipe welding and safety the refrigerant pipe information CAUTION Minimum thickness Outer diameter (mm) Temper grade (mm) • Important information for refrigerant pipe work. Ø 6.35 0.70 – Make sure there is no moisture inside the pipe. Ø...
  • Page 25 Cutting or flaring the pipes 5 Check that you flared the pipe correctly. – Refer to below illustrations for correct and incorrect 1 Make sure that you prepared the required tools. examples of flared pipe. – 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°...
  • Page 26 Refrigerant pipe installation Pipe installation for an outdoor unit CAUTION 1 Direction of the pipe • Caution for using knock-out hole Refrigerant pipe can be withdrawn from the front, left and right side. Take necessary method to install the pipes according to the condition of the installation site.
  • Page 27 Service valve Service valve Service port Service port Temperature Temperature sensor sensor Wet towel Wet towel < H/P > < H/R > 1 Pipe installation between the outdoor units • You will need branch joints, which is an optional accessory, for connecting in between outdoor units in order to combine outdoor units in module.
  • Page 28 Refrigerant pipe installation Examples of refrigerant pipe installation 1 Using Y-joint 2 Using distribution header Using Y-joint 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 possible.) –...
  • Page 29 Allowable length of the refrigerant pipe and the installation examples Classification Single Installation Module installation Outdoor unit Outdoor unit Branch joint Branch joint Installing only with Y-joint Indoor unit Indoor unit Outdoor unit Outdoor unit Branch joint Distribution header Branch joint Distribution header Installing with Y-joint and distribution header...
  • Page 30 Refrigerant pipe installation Classification Example Remarks Installing only with b+c+d+e+f+g+p ≤ 45 m Y-joint Installing with Y-joint i+k ≤ 45 m Maximum First branch 45 m or less and distribution header joint ~ allowable Pipe length length after Farthest Installing only with i ≤...
  • Page 31 Classification Installation with Y-joint Installing with MCU only Direct-connected indoor unit without MCU (Cooling only) (Connecting Only Low Pressure Gas Pipe / Liquid Pipe note3) Installing with MCU and Y-joint Classification Example Remarks Installing only with Equivalent length a+g+j ≤ 200 m (220 m) Actual pipe 200 m or less Y-joint: 0.5 m...
  • Page 32 Refrigerant pipe installation EEV Kit Model name Remarkers MEV-E24SA 1 indoor MEV-E32SA MXD-E24K132A MXD-E24K200A 2 indoor Apply to products without EEV EEV kit ~ Indoor unit Actual pipe length MXD-E32K200A (Wall mount & ceiling) 20 m or less MXD-E24K232A MXD-E24K300A 3 indoor MXD-E32K222A MXD-E32K300A...
  • Page 33 Installing the branch joints Installing the distribution header 1 Select the reducer that fits the diameter of the pipe. Branch joints must be installed ‘horizontally’ or ‘vertically’ . Horizontal installation Provided item Socket Pipe* Pipe* To indoor unit To outdoor unit Socket <Liquid side>...
  • Page 34 Refrigerant pipe installation CAUTION To other outdoor unit Pipe • Connect the indoor units in order, while respecting the Reducer To other outdoor joint direction of the arrow shown in the illustration. or outdoor unit • When indoor units are connected to same distribution head, indoor unit must be connected in order of their capacity, from largest to smallest.
  • Page 35 Installing the MCU MCU specification Model MCU-S6NEK2N MCU-S4NEK3N MCU-S2NEK2N MCU-S1NEK1N Exterior of MCU Number of connectable Up to 8 units Up to 8 units Up to 8 units Up to 8 units indoor units at one port The maximum capacity of the connectable 16 kW 16 kW...
  • Page 36 Refrigerant pipe installation How to connect the pipes 70 mm Protect with wet towel when welding 70 mm Pipe connection from outdoor unit ← Default installing direction. Low pressure gas pipe connection (welding) High pressure gas pipe connection (welding) Liquid pipe connection (welding) Pipe connection to indoor unit Liquid pipe (welding) Gas pipe (welding)

  • Page 37: Electrical Wiring Work

    Electrical wiring work Specification of the circuit breaker and power cable Premium Energy Efficiency Type (Heat Pump) Standard Type (Heat Pump) Model Model AM080AXVGGH 18.0 AM080AXVAGH 18.0 AM100AXVGGH 21.2 AM100AXVAGH 23.0 AM120AXVGGH 25.0 AM120AXVAGH 25.0 29.0 AM140AXVGGH 27.0 AM140AXVAGH AM160AXVGGH 32.0 AM160AXVAGH 32.0...
  • Page 38 Electrical wiring work Essential Type (Heat Pump) Premium Energy Efficiency Type (Heat Recovery) Model Model AM100AXVDGH 23.0 AM080AXVGGR 18.0 AM120AXVDGH 25.0 AM100AXVGGR 21.2 29.0 AM140AXVDGH AM120AXVGGR 25.0 AM160AXVDGH 32.0 AM140AXVGGR 27.0 39.2 AM180AXVDGH AM160AXVGGR 32.0 39.2 AM200AXVDGH 46.0 AM180AXVGGR AM220AXVDGH 48.0 AM200AXVGGR 43.0...
  • Page 39 • When installing outdoor units in module, select the power • This equipment complies with IEC 61000-3-12 provided that the supply cable according to the sum of outdoor unit capacity. short-circuit power Ssc is greater than or equal to Ssc(*2) at the (Refer to the table for each model) interface point between the user’s supply and the public system.
  • Page 40 Electrical wiring work Main unit Sub unit Sub unit ELCB ELCB ELCB MCCB+ MCCB+ MCCB+ Protection tube Ground cable Ground cable Ground cable Communication cable Communication Communication Power • ground cable between cable between cable Power cable outdoor units Power cable outdoor units Power cable <When the module combination is in the tables of “Outdoor unit combination”>...
  • Page 41 Power wiring diagram Supplying 3 phase 4 wires (380-415 V~) <When the module combination is in the tables of "Outdoor unit combination"> 3 phase 4 wires Main unit Sub unit 1 Sub unit 2 (380-415 V~) Main unit Sub unit MCCB+ ELCB Single phase 2 wires Communication Main unit Sub unit...
  • Page 42 Electrical wiring work Selecting solderless ring terminal • Select a solderless ring terminal for a power cable according to the nominal dimensions for cable. • Apply insulation coating to the connection part of the solderless ring terminal and the power cable. Silver solder Nominal dimensions for cable (mm Nominal dimensions for screw (mm)
  • Page 43 1 Closing the cover 3 Cut out the outer sheath of the power cable by revolving the tool in the direction of the arrow, two or three times. 4 At this situation, cut out the outer sheath of the power cable by moving the tool toward the direction of the arrow.
  • Page 44 Electrical wiring work Connect the ring terminal of 3 phase cable Installing the Solution device 1 Cut the power cable to an appropriate length and connect it • When the number of indoor units installed with the outdoor with the solderless terminal. unit is 16 or less 2 After connecting the power cable to the terminal as seen in the illustration, fix it with cable tie.
  • Page 45 Connecting the MCU (MCU-S6NEK2N, MCU-S4NEK3N, MCU-S2NEK2N, MCU-S1NEK1N) Example MCCB Indoor unit Indoor unit Outdoor unit MCCB 220-240 V~ • (A) Power must be supplied to the MCU separately from the outdoor unit. • (B) Connect the communication cable of the outdoor unit (F1, F2) to the communication cable of the MCU (F1, F2) Grounding work Grounding must be done by a qualified installer for your safety.

  • Page 46: Air Tightness Test And Vacuum Drying

    Air tightness test and vacuum drying Air tightness test • Use tools for R-410A to prevent the inflow of foreign substances and resist against the internal pressure. • Do not remove the core of filling port. • Use dry nitrogen gas for air tightness test as shown in the illustration. Manifold gage Manifold gage Low pressure side...
  • Page 47 Vacuum drying pipes and indoor units • Use tools for R-410A to prevent the inflow of foreign substances and resist against the internal pressure. • Use vacuum pump that allows vacuuming under -100.7kPa (5 Torr). • Use the vacuum pump with the check valve to prevent pump oil from flowing backward while the vacuum pump is stopped. •...

  • Page 48: Pipe Insulation

    Pipe insulation [Under the following conditions, a gas pipe of Ø9.52 to Ø25.40 Insulating the refrigerant pipes and mm and plumbing of 13 t can be used] branch joints – A general town centre building (e.g., an apartment building, dwelling house, lecture hall, educational institute •...
  • Page 49 Insulating pipes Insulation • The insulation of the gas and liquid pipes can be in contact with each other but they should not press excessively against each other. • When the gas side and liquid side pipes are contacting each other, increase the thickness of the insulation by one grade.

  • Page 50: Refrigerant Charging

    Refrigerant charging Insulating the pipe located inside of the outdoor unit • With a pipe insulator, insulate the pipe up to whole service valve located inside of the outdoor unit. • Seal the gap between the outdoor unit pipe and the insulator. Rainwater and dewdrops may soak through the gap between the pipe and the insulation of the outdoor unit installed on the outside.
  • Page 51 CAUTION CAUTION • The filled-out label must be adhered in the proximity of the • Open the gas side and liquid side service valve completely product charging port. after charging the refrigerant. (If you operate the air conditioner with the service valve closed, the important parts (ex.

  • Page 52: Basic Segment Display

    Basic segment display Step Display content Display SEG 1 SEG 2 SEG 3 SEG 4 At initial power input Checking segment display “8” “8” “8” “8” SEG 1 SEG 2 SEG 3 SEG 4 Number of communicated While setting communication between Number of connected indoor units units indoor and outdoor unit (Addressing)
  • Page 53 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 ‘Emergency operation for compressor malfunction’...
  • Page 54 Setting outdoor unit option switch and key function Optional item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks Disabled (Factory default) Emergency operation Set compressor 1 as malfunction E560 will occur when all the for compressor Individual state compressors are set as malfunction malfunction...
  • Page 55 Optional item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks Disabled (Factory default) LEVEL 1 / Auto LEVEL 2 / Auto Enables the silent mode for night- LEVEL 3 / Auto time in cooling mode (It operates automatically depending on the LEVEL 1 / External contact temperature.)
  • Page 56 Setting outdoor unit option switch and key function Optional item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks Enabling this setting will command Disabled (Factory default) the air conditioner to cool/heat faster at initial start-up. Speed operation Main However, this function will not work when High-head condition setting...
  • Page 57 Setting key operation and checking the view mode with tact switch 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 Refrigerant charging in Heating mode “K”...
  • Page 58 Setting outdoor unit option switch and key function K2 (Number of press) KEY operation Display on segment 1 time Refrigerant charging in Cooling mode “K” “5” “BLANK” “BLANK” 2 times Trial operation in Cooling mode “K” “6” “BLANK” “BLANK” 3 times Pump down all units in Cooling mode “K”...
  • Page 59 Display on segment K4 (Number of press) KEY operation SEG 1 SEG2, 3, 4 2 A → 0, 2, 0 10 times CT sensor value (Compressor 1) 2 A → 0, 2, 0 11 times CT sensor value (Compressor 2) -42 °C →...

  • Page 60: Optional: Setting The Mcu And Pipe Addresses (For Hr Only)

    Optional: Setting the MCU and Pipe Addresses (for HR Only) You can set the MCU address, the MCU ports to use, and the address Setting the Pipe Addresses Manually for each MCU port connected to each indoor unit. It is for 2nd-generation MCU only. (MCU-S*NEK2N,MCU- You can use the wired or wireless remote control or the S-NET Pro 2 S4NEK3N,MCU-S1NEK1N) to set the pipe addresses for each indoor unit.
  • Page 61 Optional: Setting the MCU and Pipe Addresses (for HR Only) Setting the Pipe Addresses Automatically To run the Auto pipe pairing operation, take the following steps: (Auto pipe pairing operation) 1 Press the K2 button 13 times on the main PBA of the outdoor You can use the Automatic pipe-address setting operation to unit to start the Auto pipe pairing operation.

  • Page 62: Performing Final Checks And Trial Operation

    Performing final checks and trial operation 1 Before supplying the power, use DC 500 V insulation resistance tester to measure the power (3 phase: R, S, T/ 1 phase: L, N) terminal and the outdoor unit grounding. 230V 230V 230V –...
  • Page 63 – In Auto trial operation, product will automatically select either CAUTION cooling or heating mode and operate in selected mode. Precautions before test operation – In the temperature range marked with slashed pattern, system protection control may trigger during operation.(If the system •...

  • Page 64: Appendix

    Inspection and trial operation Measure to take when E503 error occurs Is the ball valve on the outdoor unit Take corrective measures. opened? Has the correct amount of additional refrigerant Take corrective measures. been injected into the indoor unit and liquid line? Perform Trial Operation (cooling/heating) - See the instructions on Key operation modes.
  • Page 65 Measure to take when E505 or E506 error occurs Keep all the outdoor units in vacuum mode for 5 min. - See the instructions on Key operation modes. Is the deviation between pressure sensors on outdoor units greater than 0.2MPa? Is the ball valve (service valve) on each outdoor Open the valve.

  • Page 66: Automatic Refrigerant Amount Detection Function

    Automatic refrigerant amount detection function This function checks amount of refrigerant in the system through refrigerant amount detection operation Start Press the K2 tact switch 5 times Enter the operation in S-Net pro Checking the amount of refrigerant automatically check the result on display after the operation Connect S-Net Pro...

  • Page 67: Product Information

    Product Information Model Net Weight(kg) Net Size ( W×H×D, mm) 930x1695x765 AM080AXVGGH 930x1695x765 AM100AXVGGH 930x1695x765 AM120AXVGGH 1295x1695x765 AM140AXVGGH 1295x1695x765 AM160AXVGGH 1295x1695x765 AM180AXVGGH 1295x1695x765 AM200AXVGGH 1295x1695x765 AM220AXVGGH 1295x1695x765 AM240AXVGGH 1295x1695x765 AM260AXVGGH 930x1695x765 AM080AXVGGR 930x1695x765 AM100AXVGGR 930x1695x765 AM120AXVGGR 1295x1695x765 AM140AXVGGR 1295x1695x765 AM160AXVGGR 1295x1695x765 AM180AXVGGR 1295x1695x765...

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