Samsung MXD-A22K100X Installation Manual
Samsung MXD-A22K100X Installation Manual

Samsung MXD-A22K100X Installation Manual

Air handling unit

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E
DB98-29235A(1)
INSTALLATION
MANUAL
Air Handling Unit
MXD-A22K100X
MXD-A22K200X
Air Conditioner

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Summary of Contents for Samsung MXD-A22K100X

  • Page 1 INSTALLATION MANUAL Air Handling Unit MXD-A22K100X MXD-A22K200X Air Conditioner DB98-29235A(1)
  • Page 2 Contents...
  • Page 3: Table Of Contents

    Contents SAFETY INFORMATION FUNCTION SETTING ..........• Setting the Address ......19 EXTERNAL APPEARANCE • Setting the Main Address ....20 AND DIMENSION ........ • Setting the Controller Address ..20 • Setting Up Function Switch ....21 • External Appearance ......
  • Page 4: Safety Information

    SAFETY INFORMATION The following safety precautions must be taken when installing the unit. Be aware that AHU KIT has to be combined with DVM Plus II outdoor unit only. Use R410A refrigerant.  When using R410A, moisture or foreign substances may affect the capacity and reliability of the product. ...
  • Page 5 SAFETY INFORMATION  (Continued) CAUTION Install the cables with supplied cables Make sure that the power for AHU KIT firmly. Fix them securely so that external is under maximum, and over minimum force is not exerted to the terminal board. voltage allowed.
  • Page 6: External Appearance And Dimension

    EXTERNAL APPEARANCE AND DIMENSION External Appearance ASS’Y EEV 5 HP (MXD-A22K100X) 10 HP (MXD-A22K200X)  ASS’Y EEV is set to be open at factory shipment. Please be aware of this fact when performing vacuum drying after the installation. ASS’Y Control...
  • Page 7: Dimension

    EXTERNAL APPEARANCE AND DIMENSION  (Continued) Dimension ASS’Y EEV (Unit : mm) 5 HP 10 HP (MXD-A22K100X) (MXD-A22K200X) ID ø9.52 L10 Expanding ID ø9.52 L10 Expanding ASS’Y Control (Unit : mm)
  • Page 8: Accessories

    IN sensor OUT sensor IN sensor holder OUT sensor holder ITEM Sensor clip (10m) (10m) (OD Ø6.8mm) (OD Ø7.8mm) QUANTITY IMAGE EEV coil ITEM Aluminum tape Rubber tape Insulator Cable-tie 10HP (MXD-A22K100X) (MXD-A22K200X) QUANTITY 85㎜ 85㎜ 100㎜ IMAGE 110㎜ 110㎜ 170㎜...
  • Page 9: Before Installation

    Outdoor Air Supply Air Recommended AHU Size AHU Capacity Allowance ( ㎾ ) AHU Internal Heat Exchanger Volume Allowance ( ㎤ ) AHU KIT Model Minimum Maximum Minimum Maximum MXD-A22K100X 10.0 19.6 1500 3800 MXD-A22K200X 20.0 30.8 3800 5000 ※Evaporating Temperature : 7℃, Superheat : 1℃, Air temperature : 27℃DB/19℃WB...
  • Page 10: Installation

    • V1, V2(Refer to page 11) is power line for the wired remote control(12V). F3, F4(Refer to page 11) is communication line for wired remote control. • For 5HP(MXD-A22K100X) ASS’Y Control, Set the K3(Refer to page 18) to OFF position on the PBA.
  • Page 11: Ass'y Control Circuit Diagram

    INSTALLATION  (Continued) ASS’Y Control Circuit Diagram  AHU KIT sensor has approximately 10㏀ of resistance value at indoor temperature of 25˚C.
  • Page 12: External Controller Diagram

    INSTALLATION  (Continued) External Controller Diagram (MIM-B14) Circuit diagram of external controller’s output AC LAMP RY75 RY76 RY77 Operation specification according to AHU KIT PBA DIP S/W set up AHU KIT DIP S/W STATE WIRE NO. K11 OFF (Refer to page 18) 1, 2 ERROR Check 3, 4...
  • Page 13: Connecting The Power Terminal

    INSTALLATION  (Continued) Connecting the Power Terminal Connecting Power/Communication cable • Turn off the power before connecting the power terminal. • Maximum cable length and the amount of voltage drop for AHU power/communication cables should be under 10%. • Consider power usage of the AHU when installing the ELB. •...
  • Page 14: Ass'y Control Connections

    Example 1) 1 Outdoor unit +1 AHU Please keep in mind that K3 button loacted on PBA of control parts must be set according to AHU connected before operation. K3 on for MXD-A22K200X and K3 off for MXD-A22K100X. (Refer to page 20) ����������������������������������������������������������������������������������� �����������������������������������������������������������������������������...
  • Page 15: Brazing The Pipe

    INSTALLATION  (Continued) Brazing the Pipe ① ② ③ ④ ⑤  Refrigerant pipe  Brazing part  Taping  Hands valve ⑥ ⑥  Pressure regulator  Nitrogen gas 1) Replace nitrogen gas when brazing the pipes. • If you don’t use nitrogen gas when brazing the pipes, oxide may form inside the pipe and cause compressor and valves malfunction.
  • Page 16: In/Out Sensor Installation

    INSTALLATION  (Continued) IN/OUT Sensor Installation 1) IN sensor should be attached after the distributor, on the coldest part of the heat exchanger pipe. 2) OUT sensor should be installed approximately 200mm behind the collector of AHU heat exchanger. 3) IN/OUT sensor should be insulated for optimized system performance. 4) Room temperature sensor should be installed where room air enters.
  • Page 17 INSTALLATION  (Continued) IN/OUT sensor installation example 1 1) Check the sensor and the sensor holder. Sensor holder ID Type Sensor OD(mm) Sensor clip Sensor holder Note (mm) IN sensor Ø 6 Ø 6.8 OUT sensor Ø 7 Ø 7.8 Insulator Sensor 2) Braze the sensor holder on the pipe.
  • Page 18 INSTALLATION  (Continued) IN/OUT sensor installation example 2 1) Check the sensor and the sensor holder. Sensor Sensor holder ID Type Sensor OD (mm) Insulator Note (mm) Cable-tie IN sensor Ø 6 Ø 6.8 OUT sensor Ø 7 Ø 7.8 Aluminum tape Rubber tape 2) Put the sensor on the pipe.
  • Page 19: Function Setting

    • After the installation, you have to set up the address. Use MAIN and RMC switch to set the AHU KIT address. • 10HP(MXD-A22K200X): Connect EEV to CN62/CN60 (Match the color of EEV connector and the socket) 5HP(MXD-A22K100X) : Connect EEV to CN62 Only (Do not connect CN60) ��������������������������������������������� �������������������������������������������������...
  • Page 20: Setting The Main Address

    FUNCTION SETTING  (Continued) Setting the Main Address • Main address is the standard address for the communication between the Example Main address :12 outdoor unit and the AHU KIT. MAIN • If the main address is not set up appropriately, communication error can occur and the system may not operate.
  • Page 21: Setting Up Function Switch

    SW05 (K3) switch is set in ON position as factory default. In case of operating 5HP, set the SW05 (K3) switch in OFF position. Note Ex.) 10HP (MXD-A22K200X) Ex.) 5HP (MXD-A22K100X) K1K2 K3 K4 K1K2 K3 K4 K1K2 K3 K4...
  • Page 22: Troubleshooting

    TROUBLESHOOTING Initial Check-up 1) Check the connection status between Indoor unit and the AHU KIT. • Make sure you have followed instructions and wiring diagram shown in the installation manual. • Make sure AHU KIT PBA is installed in a place where there are no influence from outdoor humidity, dust and temperature.
  • Page 23: Sensor Error

    TROUBLESHOOTING  (Continued) Sensor Error AHU KIT heat exchanger IN sensor detachment error ↔ xxx (xxx : Address of an indoor unit with an error) Outdoor unit display Explanation Refer to below explanation. Reason Indoor heat exchanger IN sensor detachment. 1) Explanation •...
  • Page 24 TROUBLESHOOTING  (Continued) AHU KIT temperature sensor OPEN/SHORT error (ROOM sensor OPEN/SHORT) Outdoor unit display (IN sensor OPEN/SHORT) (OUT sensor OPEN/SHORT) Explanation When OPEN/SHORT signal is received for temperature sensor of AHU KIT Reason Poor connection between sensor and the PBA, or poor conditioned sensor. 1) Self check Is indoor room temperature sensor connector properly...
  • Page 25: Fan Error

    TROUBLESHOOTING  (Continued) Fan Error Outdoor unit display When ASS’Y Control outputs fan operation status signal and the fan feedback Explanation signal stays OPEN for more than 10 seconds. ( AHU KIT only) • Poor AHU KIT fan operation Reason •...
  • Page 26: How To Inspect Just In Case The Below Condition Is Satisfied

    TROUBLESHOOTING  (Continued) How to Inspect Just in Case the Below Condition is Satisfied Outdoor unit display In Cool mode, Min.100 and Max.480 EEV steps can be controlled. Explanation In Heat mode, Min 250 EEV steps can be controlled. • Inappropriate EVA IN/OUT sensor location •...
  • Page 27: In-Tracking Error

    TROUBLESHOOTING  (Continued) In-tracking Error Error between AHU KIT and outdoor unit at the beginning of operation(in tracking) Outdoor unit display Explanation Communication error between AHU KIT and the outdoor unit Reason Refer to following self check 1) Self check Check the number of AHU KIT set up on outdoor unit PBA is equal to actual number of AHU KIT installed.
  • Page 28 TROUBLESHOOTING  (Continued) Error between AHU KIT and outdoor unit during operation(after tracking) Outdoor unit display Communication is off for 2 minutes between AHU KIT and the outdoor unit during operation. Explanation (Ensure room) Reason Communication error between AHU KIT and the outdoor or incorrect AHU KIT number setting 1) Self check Press the reset KEY(K3) on the outdoor unit PBA and check the display.
  • Page 29: After Installation

    AFTER INSTALLATION AHU KIT Installation Check 1) Ensure that ASS’Y Control is correctly installed. • You can choose the built-in type or auxillary type depending on installation environment. • Ensure that the ASS’Y Control cables are correctly connected. • ASS’Y Control should be water/fireproofed and avoid direct sunlight upon installation. (Especially for individual type) •...
  • Page 30 MEMO...
  • Page 31 MEMO  (Continued)

This manual is also suitable for:

Mxd-a22k200x

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