DAIKIN VRV air conditioning system instruction manual - Manuals+ (2023)

DAIKIN VRV Air Conditioner Instruction Manual

Please read this guide carefully before installation. Please keep this manual in an accessible place for future reference. This manual should remain in the hands of the device owner.

security considerations
Please read these installation safety instructions carefully before installing an air conditioner. After the installation is complete, make sure the drive is working properly during the boot process. Instruct the customer in the operation and maintenance of the device. Advise customers to keep this installation manual with the user manual for future reference. Always use a licensed installer or contractor to install this product. Improper installation may result in water or refrigerant leakage, electric shock, fire, or explosion. Meaning of the symbols DANGER, WARNING, CAUTION and NOTE:

DANGER🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
RESERVATION🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
ATTENTION🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 🇧🇷 Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. It can also be used to warn against unsafe practices.
TO USEIndicates situations that can only lead to accidents with damage to equipment or property.

DANGER

• The refrigerant gas is heavier than air and replaces oxygen. A massive leak will cause oxygen starvation, especially in basements, and a suffocation hazard will result in serious injury or death.
• Do not ground the devices to water pipes, gas pipes, telephone wires, or lightning rods as incomplete grounding creates a serious risk of electrical shock which can result in serious injury or death. Also, grounding gas lines will result in gas leaks and possible explosion, which can result in serious injury or death.
• If a refrigerant gas leak occurs during installation, ventilate the area immediately. The refrigerant gas will generate toxic gases if it comes into contact with fire. Contact with this gas will result in serious injury or death.
• After completing the installation work, check that no refrigerant gas is leaking through the system.
• Do not install the device in an area where combustible materials exist, as there is a risk of explosion which could result in serious injury or death.
• Dispose of all packaging and shipping materials safely in accordance with federal/state/local laws or ordinances. Packing materials such as nails and other metal or wooden parts, including plastic packing materials, used for shipping can cause injury or death by suffocation.

RESERVATION

• Installation work may only be carried out by qualified personnel. The installation must be carried out according to these installation instructions. Incorrect installation may cause water leakage, electric shock, or fire.
• When installing the unit in a small space, take measures to prevent the refrigerant concentration from exceeding the allowable safety limits. Excessive refrigerant leakage, possibly
  B. by an accident in a closed environmental space, can lead to oxygen deficiency.
• Use only the specified accessories and parts for installation work. Failure to use the specified parts may result in water leakage, electric shock, fire, or the unit falling.
• Install the air conditioner on a sufficiently strong base
  capable of supporting the weight of the device. Insufficient stability may cause the device to fall and cause injury.
• Consider strong winds, typhoons or earthquakes when installing. Incorrect installation may cause the device to fall and cause accidents.
• Please ensure that a separate circuit is available for this equipment and that all electrical work is performed by qualified personnel in accordance with local, state and national codes. Insufficient power supply capacity or improper electrical construction may cause electric shock or fire.
• Ensure that all wiring is secure, that the specified cables are used and that there are no external forces on the terminal or cable connections. Incorrect connections or installations may cause a fire.
• When wiring, arrange the wires so that the control box cover can be securely attached. Improper placement of the control box cover may result in electric shock, fire, or other damage
  Terminal overheating.
• Switch off the device before touching electrical parts.
• This device can be installed with a residual current device (GFCI). While this is an accepted measure of added protection, the floor system in North America does not require a dedicated GFCI.
• Tighten the terminal cover of the device (panel) firmly. If the terminal cover/panel is not installed properly, dust or water may enter the outdoor unit and cause a fire or electric shock.
• When installing or relocating the system, keep the refrigerant circuit free from substances other than the specified refrigerant (R410A), such as B. Air. Any presence of air or other foreign matter in the refrigerant circuit may cause abnormal pressure build-up or rupture, which could result in personal injury.
• Do not change the settings of the protection devices. If the pressure switch, thermal switch or other protection device is short-circuited and forcibly operated, or if parts other than those specified by Daikin are used, it may cause a fire or explosion.
• Do not install it in a humid room such as a bathroom or laundry room, as there is a risk of fire or electric shock.

ATTENTION

• Do not touch the switch with wet fingers. Touching a switch with wet fingers can cause electric shock.
• Do not allow children to play in or around the device as they may be injured.
• The fins of the heat exchanger are sharp enough to cut and
  can cause injury if used incorrectly. To avoid injury, wear gloves or cover ribs when working near them.
• Do not touch the refrigerant piping during and immediately after operation because the refrigerant piping may be hot or cold depending on the condition of the refrigerant flowing through the refrigerant piping, compressor and other parts of the refrigerant cycle. . This could result in burns or burns on your hands if you touch the refrigerant piping.
  To avoid injury, wait for the tubes to return to normal temperature or wear appropriate gloves if you must touch them.
• Insulate the pipes to prevent condensation.
• Be careful when transporting the product.
• Do not turn off the power immediately after stopping operation. Always wait at least 5 minutes before disconnecting the power supply. Otherwise water may leak out.
• Do not use a filling cylinder. Using a charging cylinder can cause refrigerant deterioration.
• The R410A refrigerant in the system must be kept clean, dry and airtight.
  (a) Clean and dry: Foreign matter (including mineral oil such as SUNISO oil or moisture) must be prevented from entering the system.
  (b) Resistant: R410A contains no chlorine, does not deplete the ozone layer and does not reduce the earth's protection from harmful UV radiation. R410A may contribute to the greenhouse effect if released. Therefore, take suitable measures to check the refrigerant lines for leaks. Read the Refrigerant Lines chapter and follow the procedures.
• Since R410A is a mixture, the additional refrigerant required must be filled in in liquid form. If the refrigerant is charged in a gaseous state, its composition may change and the system will not function properly.
• The indoor unit is for R410A. Consult the catalog of indoor models that can be connected. Normal operation is not possible when connected to other devices.
• Transmission of the handheld remote control (wireless kit).
  In rooms with electronic fluorescent lighting (inverter or quick-start type), the distance may be less than expected. Install the indoor unit away from fluorescent lamps such as
  as much as possible.
• Indoor units are for indoor installation only. The outdoor units can be installed outside or inside. This device is intended for indoor use.
• Do not install the air conditioner in the following places:
  (a) Where a mineral oil mist or oil mist or vapor occurs, for example in a kitchen. Plastic parts can deteriorate and fall off, allowing water to leak out.
  (b) Where corrosive gases such as B. sulfuric acid gas, are generated. Corroded copper tubing or soldered parts can cause refrigerant leakage.
  (c) Near machines that emit electromagnetic waves. Electromagnetic waves can disturb the operation of the control system and cause the device to malfunction.
  (d) Where flammable gas may leak, where carbon fiber or combustible dust is suspended in the air, or where volatile combustible materials such as paint thinner or gasoline are handled. Operating the device under these conditions may cause a fire.
• Take appropriate measures to prevent small animals from using the outdoor unit as a shelter. Contact of small animals with electrical parts may cause malfunction, smoke or fire. Instruct the customer to keep the area around the device clean.
• This device is not intended for use by persons (including children) with restricted physical, sensory or mental abilities or lack of experience and knowledge, unless they are supervised by a person responsible for their safety or have been instructed in the use of the device . . .

TO USE

• Lay the power supply and transmission wiring for the indoor and outdoor units at least 1 m away from TVs or radios to avoid picture interference or noise. Depending on the radio waves, a distance of 1m may not be enough to eliminate noise.
• Dismantling of the unit, treatment of refrigerant, oil and additional parts must be carried out in accordance with applicable local, state and national regulations.
• Do not use the following tools used with conventional refrigerants: pressure gauge, charging hose, gas leak detector, check valve, refrigerant charging socket, vacuum gauge or refrigerant recovery equipment.
• If conventional refrigerant and refrigerating machine oil are mixed in R410A, the refrigerant will deteriorate.
• This air conditioner is a device that should not be available to the general public.
• Since the design pressure is 4.0 MPa (580 psi), the wall thickness of the field installed piping must be selected in accordance with applicable local, state, and national codes.

Codes and Regulations
This product has been designed and manufactured in accordance with national regulations. Installation in accordance with these codes and/or applicable local codes/regulations is the responsibility of the installer. The manufacturer assumes no responsibility for equipment installed in violation of any law or regulation. The rated output is reached after 72 hours of operation.

The original instructions are written in English. All other languages ​​are translations of the original instructions.

1 . BEFORE INSTALLATION

1-1 Precautions

• Confirm in advance that the refrigerant used in the installation is R410A. The unit will not function properly with any other type of refrigerant.
• If you move the unit during or after unpacking, secure it with the 4 hanging brackets and avoid applying force to other parts, especially the refrigerant piping and the control box.
• For more information on installing external and internal drives, see the installation guide that came with each drive.

1-2 accessories

• Check whether the following accessories are included in the package.

Important
Do not throw away any accessories that may be needed for the installation work until the installation is complete.

TO USE

• You will need reducers (field supply) when the field pipe diameter as described in the outdoor unit installation manual or technical data book does not match the outdoor unit pipe diameter.
• The thermal insulation of the connection lines on the outdoor unit side must be provided on site.

Combination 1-3

• For the corresponding series of indoor and outdoor units, refer to the catalog or other documents.
• Select the branch selection unit to set the total capacity (total unit capacity) of the downstream indoor units, refer to Table 1. About the capacity of the indoor units, refer to Table 2.

* The total capacity and number of indoor units connectable to each branch connection is up to 54 and 5, respectively. When the total capacity of indoor units to be connected downstream is more than 54 (MAX 96), use a connecting pipe kit (KHRP26A250T, sold separately) to connect two connections to be connected downstream of the bypass of the switching unit.

<Selection example> In the case of a branch select unit connected to an FXFQ12 and an FXMQ18.
Total Capacity = 12+18 = 30

1-4 Checklist

During the installation work, pay particular attention to the following points and check them again after the installation is complete:

Post-installation checklist

Delivery Checklist

two . CHOOSING THE INSTALLATION LOCATION

When selecting the mounting location, consider the following requirements and obtain customer approval:

• The location must be able to support the weight of the branch selector.
• The site must allow inspection openings to be installed on the side of the control box. (A separate opening is required when lowering the product.)
• Sufficient space must be available for installation and maintenance work. (See Figure 1.)
• The pipe length for the indoor unit and the outdoor unit must be equal to or less than the allowable pipe length (as specified in the installation manual attached to the outdoor unit).
• Refrigerant flowing through the pipes can generate noise. Ensure that the necessary precautions are taken when installing in noise-sensitive applications.

(*1) Leave enough space to connect the field tubes.
(*2) This space is required to place the top plate when servicing the EV coil.
(*3) This space is required to remove the top plate when servicing the EV coil.

RESERVATION
Install the device securely in a place that can support its weight. Insufficient force may cause the bypass switch unit to fall and cause injury.

ATTENTION

• Leave enough space in the control box for maintenance work.
• To avoid video and audio interference, install the tap selector unit and associated power and transmission cables at least 1 m away from TVs and radios. Depending on the reception, however, interference can also occur when maintaining a minimum distance of 1 m.

3 . PREPARATIONS BEFORE INSTALLATION

Install the suspension bolts and suspension brackets as shown in the figure below.

• Use a hanger bolt size of 3/8 inch. (M8) up to 7/16 inch. (M10).
• Use molded inserts and countersunk foundation bolts for new installations, or hole anchor bolts or similar hardware for existing installations, and be sure the installation is such that it can support the weight of the unit.

Four . INSTALLING THE TWO DIAL UNIT

Only use accessories and parts that meet the specifications specified when the device was installed.

1. Position the branch dial and lock it temporarily.
   Attach the hanging brackets to the hanging bolts as shown in the figure at right. Be sure to secure the nuts (3/8 inch (M8) or 7/16 inch (M10), 3 pieces in 4 places) and washers (for 3/8 inch (M8), 15/10 OD 16 inch.. (24 mm) to 1-1/8 inch (28 mm) or 7/16 inch (M10), OD 1-3/16 inch (30 mm) to 1-5/16 inch (34 mm): 2 pieces in 4 places ) (locally supplied) from the top and bottom of the hangers on either side of the unit to secure it.
2. Adjust the height of the device as desired.
3. Use a spirit level to verify that the unit is installed in a level orientation.

RESERVATION

• Install the branch dial in a horizontal orientation. (Vertical installation is not permitted).
• Install the nuts on the top and bottom of the hook brackets. If the bottom nut is overtightened without the top nut in place, the hook bracket and top plate may warp, causing the unit to make abnormal noises.

5 . REFRIGERANT PIPE

• For instructions on how to install the piping between the outdoor unit and the bypass selection unit, how to select a refrigerant bypass kit and how to install the piping between the refrigerant bypass kit and the indoor units, refer to the installation manual attached to the external drive.
• Before starting the work, make sure that the refrigerant used is R410A. (The unit will not work properly with any other type of refrigerant.)
• Insulate all piping, including liquid lines, high/low pressure gas lines, suction gas lines, gas lines and piping connections to them. Failure to insulate these pipes could result in water leakage or burns. Low-temperature gas flows in particular in the high/low-pressure gas line in full cooling mode, so that the same amount of insulation is required as for the suction gas line. Besides, high-temperature gas flows in high/low-pressure gas pipes and gas lines, so please use insulation that can withstand more than 120°C (250°F).
• Select the insulation material according to the installation environment. See the technical data book for more information. Otherwise, condensation may form on the surface of the insulation.

5-1 Tube Size Selection

Select the piping size between the outdoor unit (refrigerant branch kit) and branch selection unit and between the branch selection unit and indoor units (refrigerant branch kits) according to the connection examples 1 and 2 below and Tables 3, 4 and 5 .

TO USE

• If the number of indoor units to be connected is less than the number of sub-ports (there are empty sub-ports or you plan to increase the number in the future), any of the sub-ports may be left unused. Be sure to follow the correct procedure for closing unused ports.
• If you plan to add new indoor units in the future, please select a pipe size based on the total capacity of the indoor unit before adding new units. Do not choose a pipe size based on future total capacity. This leads to abnormal operation. If the pipe size does not change before and after the lengthening, then the lengthening is acceptable.
• For more information on expansion, please contact your Daikin sales representative.

5-2 Precautions for Piping Work

Connect the hoses.

• Braze (*2) the refrigerant pipes after nitrogen replacement (replace the air with nitrogen while replacing the nitro
  flow into the refrigerant line (*1)). (See Fig. 2.) (*1) The pressure regulator for the nitrogen evolved during welding should be set at about 0.02 MPa (2.9 psi) (enough to feel a gentle breeze on your cheek).
  (*2) Do not use flux when brazing the refrigerant pipe.
  Use phosphorous copper (B-Cu93P-710/795: ISO 3677) for the brazing alloy, which does not require flux. (The use of chlorine flux may cause pipe corrosion, and if it contains fluorine, it may cause the coolant lubricant to deteriorate, which would adversely affect the coolant piping system.)

ATTENTION

• Do not use anti-rust agent when welding the pipe. (Residual residue may clog hoses or cause parts to malfunction.)
• For more information about the refrigerant piping of the outdoor unit, refer to the installation manual attached to the outdoor unit or the technical data book. (Failure to purge the pipes or charge additional refrigerant may result in insufficient refrigerant volume in the pipes or other problems that cause the unit to malfunction [e.g. improper cooling or heating]).

5-3 pipe connection

(*1) Displays field tube.
(*2) Reducers (field supply) may be required if local pipe size does not match the branch selector pipe size (Table 5).

If there are unused secondary ports (not connected to an indoor unit)

• If there are unused bypass ports, use the locking tube (accessory (4)). If there are many unused branch connections, be sure to use an optional closed line kit (KHFP26A100C).

5-4 Leak Testing and Vacuum Drying

• After completing the work on the refrigerant piping to the indoor units, bypass selection unit and outdoor unit, perform leak test and vacuum drying. For more information on the leak test pressure, refer to the installation manual of the outdoor unit.

5-5 pipe insulation

• After completing the gas leak check, refer to the following figures and use the supplied insulating tube (accessory (2)) and clamps (accessory (1)) to attach the insulation.

ATTENTION

• Insulate all piping, including liquid lines, high/low pressure gas lines, suction gas lines, gas lines and piping connections to them. Failure to insulate these pipes could result in water leakage or burns. In high/low pressure gas lines in particular, low-temperature gas flows in full cooling mode, so that the same amount of insulation is required as for suction gas lines. Besides, high-temperature gas flows in high/low-pressure gas pipes and gas lines, so please use insulation that can withstand more than 120°C (250°F).
• If you reinforce the insulating material according to the installation environment, also reinforce the insulation of the pipes protruding from the unit. The necessary insulating material for the reinforcement work must be provided on site. See Engineering Data Book for more information.
• If the tape or clamps of the insulating material are tightened too much, the thickness of the insulating material will decrease and the insulating performance will deteriorate.

ATTENTION

• Roll up the insulation material with the seam facing up to prevent condensation from entering. (See Figure 3.)

6 ELECTRICAL WIRING WORK

6-1 General Instructions

• All wiring must be performed by a licensed electrician.
• All locally supplied parts and materials and electrical work must comply with local regulations.
• Always ground the wires. (According to the national regulations of the relevant country).
• Always turn off the power supply before performing electrical wiring work.
• Follow the "WIRING DIAGRAM" attached to the control box cover to connect the outdoor unit and indoor units.
• Properly connect the wire of the specified wire type and copper gauge. Also use the supplied clamp to avoid applying excessive force to the clamp (field wire, ground wire).
• There must be a built-in disconnect switch in the hard wiring. Use a minimum 1/8 inch all pole circuit breaker. (3 mm) between contact point gaps.
• Make sure that the ground wire does not touch gas pipes, water pipes, lightning rods, or telephone ground wires.
  • Gas lines: Gas leaks can cause explosions and fires.
  • Water lines: cannot be grounded when using hard vinyl line.
  • Grounding Telephones and Lightning Rods: The ground potential during lightning strikes is extremely high.
• A circuit breaker capable of disconnecting power to the entire system must be installed.
• This system consists of several branch selection units. Mark each branch selection unit as unit A, unit B 🇧🇷 🇧🇷 and make sure the symbols on the terminal blocks of the outdoor unit and the indoor unit match correctly. If the wiring and piping between the outdoor unit, branch selection unit and indoor unit are not compatible, the system may not work properly.
• Do not switch on the power supply (bypass switch, circuit breaker) until all other work has been completed.

6-2 Example of the overall system

6-3 Circuit Safety Devices and Wiring Requirements

• A circuit (see Table 6) must be provided for connecting the device. The circuit must be protected with safety devices in accordance with local and national regulations, ie with a fuse, circuit breaker or GFCI.
• When using RCDs, be sure to use a 30mA rated residual current at high speed (0.1 seconds or less).
• Use only copper conductors.
• Use insulated power cords.
• Select the type and size of power cord in accordance with relevant local and national codes.
• Use 18-16 AWG (two-wire) vinyl-coated cable or wire for transmission wiring. The transmission cable lengths are as follows: Between branch selector and indoor units: max. 1000m (3280ft) Between branch selector and outdoor unit: max. 1,000m (3,280ft) Between branch selector units: max. 1,000m (3,280ft)
  Total cable length: 2,000 m (6,560 ft) or less

TO USE

• Table 6 of electrical characteristics above relates to a tap selector unit.

6-4 Wiring Example

RESERVATION
Install circuit protection safety devices in accordance with local and national codes. Failure to install circuit protection safety devices in accordance with local and national codes may result in electric shock or fire.

• Below is an example of transmission wiring.
• Connect the “TO IN/D UNIT (F1, F2)” terminals on the outdoor unit PCB to the “OUTDOOR UNIT (F1, F2)” terminals on the first branch selection unit.

TO USE

1. Connect the cooling only unit to the “BS UNIT (F1, F2)” terminals of the last unit of the bypass selector.
2. This wiring example is applied by connecting branch terminals C and D and connecting to the indoor unit. The terminal block to which the transmission wires are connected can be connected to either indoor unit C or indoor unit D. However, the DIP switches must be set correctly. For details on setting the DIP switches, see “7 . INITIAL SETTING".
3. The maximum number of indoor units connected to one branch connection is 5.

ATTENTION

• Please use 2-wire transmission line. Using the same cable with 3 or more cores to connect 2 or more indoor units may cause them to stop with an error.
• When using a shielded cable, be sure to ground one end of the shielded cable. Total cable length is 1500 m (4920 ft) when shielded cable is used.
• Be sure to use ring terminals with insulating sleeves to connect the wires to the power terminal block. (See Figure 4.)

  

• Do not use if the power terminal block and ground terminal are connected to the wiring of another circuit.
• Do not pre-solder stranded wires.
• Connect the wires securely so that the terminals are not subject to external forces.
• Use an appropriately sized screwdriver to tighten the terminal screws. Using a screwdriver that is too small can damage the screw head and prevent proper seating.
• Overtightening the terminal screws can damage the screw. For tightening torques of the clamping screws see table.

• Never connect the power supply cables to the connection block for the transmission cables. This can damage the entire system.
• A daisy chain configuration is required for transmission wiring. The transmission wiring cannot be branched again after the initial branch. (See Figure 5.)

6-5 Wiring Connections

• Transmission wiring Remove the control box cover and connect the wiring to the transmission wiring connectors (outdoor unit F1 and F2, branch selector unit F1 and F2 and each indoor unit (e.g. for BS12Q54TAVJ, indoor unit A to L) (F1 and F2 )) .
  At this time, pass the cables through the cable hole to the unit and use the supplied clamp (accessory (1)) to secure the cables. See the figure below for more information on how much insulation to remove from transmission cables.

ATTENTIONCheck if the piping is consistent with the transmission wiring.

• Power supply wire and ground wire Remove the control box cover and connect the power supply wire to the power supply terminal block (X1M). Also connect the ground wire to the ground wire clamp. Pass the power supply wires and ground wires together through the grommet (left) to the control box and use the supplied clamp (accessory (1)) to fix the wires securely. Be sure to connect the ground wire so that it comes out of the slot in the washer. (This may result in poor contact of the ground wire, resulting in the wire not functioning as a ground.)

RESERVATION
Arrange the wiring and reattach the control box cover securely. Pinched wires or a loose control box cover can cause electric shock or fire.

ATTENTION

• To hold the cable, use the supplied clamp (accessory (1)) to avoid pulling the cable connection, and then clamp the cable. After completing the wiring, also arrange the wiring so that the control box cover does not come off, and then reattach the control box cover properly. Be careful not to pinch the wires when replacing the control box cover. Always use the grommet to protect the cables.
• Do not route transmission cables and power cables in the same places and keep them at least 2 inches apart outside the device. (50mm). Otherwise, the transmission wiring may pick up electrical noise (external noise) and cause a malfunction or breakage.
• After completing the wiring work, use a sealant (locally procured) to seal the conduit hole. (Intrusion of small animals, etc. may cause interference.)
• As shown in the figure on the right, wrap the transmission wiring between each branch dialing unit and the indoor unit with masking tape (locally supplied).

7 . FIRST ADJUSTMENT

7-1 Adjustments in the field

Follow the instructions below to set the DIP switches as required.

RESERVATION
Electric shock hazard! Before performing any work, be sure to disconnect all power sources connected to the device.

procedure

1. Disconnect the power supply.
2. Set the DIP switches (DS1, DS2) for the corresponding branch ports according to the table below.
3. When the work is finished, be sure to close the control box cover.

<Settings>

1. Setting for secondary ports where no indoor unit is connected

   

2. Configuration when connecting branch ports

8 ADD EXTRA COOLANT

Follow the instructions in the installation manual that comes with the outdoor unit to add an extra charge of refrigerant.

9 CHECK OPERATION AND TEST OPERATION

1. Make sure the control box cover snaps back onto the control box.
2. Please refer to the installation manual that comes with the outdoor unit and check and test.
   after all work on branch selection device, outdoor and indoor unit is completed and the operational safety of the devices is confirmed.
   • You will hear the motorized valve operate for about 90 seconds as it initializes (closes) automatically after power up, but this is not a problem.
   •System errors can be checked using the following methods: Remote control display General system errors, including the branch dial unit, can be identified using the LCD display on the remote control. For more information on the fault display and what it means, see the installation manual that comes with the outdoor unit.

DAIKIN MANUFACTURING COMPANY, L.P.
Technologiepark Daikin Texas,
Kermier Strasse 19001,
Waller, Texas, 77484, EE. UU.

3P405106-12C EM20A009 [2105] AT

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