Samsung MXD-K025AN Installation Manual
Samsung MXD-K025AN Installation Manual

Samsung MXD-K025AN Installation Manual

Air handling unit application kit
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Air conditioner
Installation manual
Air Handling Unit Application Kit
MXD-K025AN / MXD-K050AN / MXD-K075AN / MXD-K100AN / MXD-X000AN
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this manual carefully and retain it for future reference.

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Summary of Contents for Samsung MXD-K025AN

  • Page 1 Installation manual Air Handling Unit Application Kit MXD-K025AN / MXD-K050AN / MXD-K075AN / MXD-K100AN / MXD-X000AN • Thank you for purchasing this Samsung air conditioner. • Before operating this unit, please read this manual carefully and retain it for future reference.
  • Page 2: Table Of Contents

    Contents Safety Information Installation Procedure External appearance Accessories AHU-KIT Structure Diagram Installation Setting an indoor unit address and installation option Appendix Initial Check-up EEPROM Error Sensor Error Fan Error How to inspect just in case the below condition is satisfied Error between AHU-KIT and outdoor unit at the beginning of operation (in tracking) AHU-KIT Installation Check Test Operation...
  • Page 3: 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 S Series outdoor unit only. Use R-410A refrigerant. • When using R-410A, moisture or foreign substances may affect the capacity and reliability of the product. Safety precautions must be taken when installing the refrigerant pipe.
  • Page 4 Safety Information WARNING • Make sure of a earthing. – Do not connect the earth wire to the gas pipe, water pipe, lighting rod or telephone wire. – If earthing is incomplete, electric shock or fire may occur. • Follow the instructions in this manual to make sure that the condensed water dripping from the drain hose runs out properly and insulate the drain pipe so that dew condensate does not generate.
  • Page 5: Installation Procedure

    Installation Procedure External appearance Control-KIT EEV-KIT ③ ⑤ ④ ③ ① ① ⑥ ② ② Parts and components Controller board Case Cover Parts and components EEV body (Coil wire: 2.5/5.0 HP = 2 m 7.5/10.0 HP = 7 m) Accessories Lower insulation Upper insulation Room/EVA IN sensor (10 m) (1)
  • Page 6: Ahu-Kit Structure Diagram

    Installation Procedure Insulator (2) Cable-tie (8) Installation Manual (1) Screw plug (PG16) (2) 100 mm 170 mm Wired Remote Controller (optional) (1) ※ The Room/EVA IN/EVA Cable-nut (PG16) (6) Bracket Base (4) OUT/Disch. sensors & Cable-nuts are not included in the Model "MXD-X000AN".
  • Page 7: Installation

    Recommended AHU Size Main PBA AHU Capacity (kW) Heat Exchanger Volume (cm³) Model External MXD-K025AN 1200 2000 Controller (MIM-B14) MXD-K050AN 12.6 17.5 2400 4000 MXD-K075AN 18.9 24.9 4100 6000 MXD-K100AN 25.2 6100 8000 Terminal 1 2 3 4 1 2 3 4...
  • Page 8 Installation Procedure Control-KIT Circuit Diagram ※ AHU-KIT sensor has approximately 10㏀ of resistance value at indoor temperature of 25 ˚C. 8 English...
  • Page 9 External Controller Diagram (MIM-B14) • Discharge temperature can be set by DMS. • Simple BMS control is not influenced by DMS’s restrictions on operation mode, set temperature or Circuit diagram of external controller’s output remote controller usage. • If you want to set Room temperature or Discharge temperature by using Simple BMS, setting Buzzer AC LAMP control option as “Disuse buzzer”...
  • Page 10 Installation Procedure Operational voltage range against setting temperature Room temperature setting Discharge temperature setting (05 Series Install Option Seg17=0) (05 Series Install Option Seg17=1) Set Temperature Set Temperature Set Temperature Simple BMS Simple BMS Simple BMS Voltage Range Voltage Range Voltage Range Heating Cooling...
  • Page 11 Target pressure setting (05 Series Install Option Seg17=2) Set Refrigerant Pressure Set Refrigerant Pressure Simple BMS Simple BMS Heating Cooling Heating Cooling Voltage Range Voltage Range (Condensing Pressure) (Evaporating Pressure) (Condensing Pressure) (Evaporating Pressure) 10.00 V ~ 9.75 V 33kg/cm²G (469psig) 6.2kg/cm²G (88.2psig) 5.00 V ~ 4.75 V 23kg/cm²G (327psig)
  • Page 12 Installation Procedure 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 13 Control-KIT Connections POWER [AC] FAN ON [AC] FAN CHECK 1(L) 1(N) Fan status feedback (Non-voltage contact signal) 220 - 240 V (208 - 230 V for US), AHU fan ON contact signal 220 - 240 V (208 - 230 V for US), Power supply F1 : Outdoor unit communication cable Defrost signal...
  • Page 14 Installation Procedure Brazing the Pipe EEV-KIT Installation • Make sure that there is no moisture inside the pipe. CAUTION • Make sure that there are no foreign materials and impurities in the pipe. • Make sure that EEV-KIT should be installed within 5 m •...
  • Page 15 Sensor Installation ※ These sensors are not included in the Model “MXD-X000AN”. CAUTION • Please check sensor usage in label. EVA OUT DISCHARGE EVA IN sensor should be attached after the distributor, on the coldest part of the heat exchanger pipe. EVA OUT sensor should be installed approximately 200 mm behind the header of AHU heat exchanger.
  • Page 16 Installation Procedure Sensor installation example 1 Insert sensor and the sensor clip in the sensor holder. Check the sensor and the sensor holder. Sensor Sensor clip Sensor holder Sensor clip Insulator Sensor Bend end of the sensor clip to fix the sensor. NOTE Type Sensor OD (mm)
  • Page 17: Setting An Indoor Unit Address And Installation Option

    Use cable-tie to tighten the sensor around the pipe. NOTE Type Sensor OD (mm) Sensor holder ID (mm) EVA IN sensor Ø 6 Ø 6.8 EVA OUT sensor Ø 7 Ø 7.8 Put the sensor on the pipe. Cable-tie Attach the insulator around the sensor. Pipe Sensor holder Insulator...
  • Page 18 Installation Procedure Step 1. Entering mode to set option CAUTION Remove batteries from the remote controller. Option setting is available from SEG1 to SEG24. Insert batteries and enter the option setting mode while • SEG1, SEG7, SEG13, SEG19 are not set as page option. pressing High Temp button and Low Temp button.
  • Page 19 Option setting Status Setting SEG6, SEG8 option Press Low Fan button( ) to enter SEG6 value. Press High Fan button( ) to enter SEG8 value. Each time you press the button, will be selected in rotation. SEG6 SEG8 Setting Fan mode Press Mode button to change to Fan mode in the On status.
  • Page 20 Installation Procedure Option setting Status 14 Setting Dry mode Press Mode button to change to Dry mode in the OFF status. 15 Setting SEG18, SEG20 option Press Low Fan button( ) to enter SEG18 value. Press High Fan button( ) to enter SEG20 value. Each time you press the button, will be selected in rotation.
  • Page 21 Setting an indoor unit address (MAIN/RMC) Check whether power is supplied or not. – When the indoor unit is not plugged in, there should be additional power supply in the indoor unit. The reception part of a remote controller is built in the AHU KIT PBA. Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan.
  • Page 22 Installation Procedure Setting an indoor unit installation option (suitable for the condition of each installation location) Check whether power is supplied or not. – When the indoor unit is not plugged in, there should be additional power supply in the indoor unit. The reception part of a remote controller is built in the AHU KIT PBA.
  • Page 23 Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Explanation PAGE Use of hot water heater EEV Step when heating stops Indication Details Indication Details Indication Details Disuse Default value Indication (*2) and Details Noise decreasing setting (*2) Option SEG13 SEG14 SEG15 SEG16 SEG17 SEG18...
  • Page 24 Installation Procedure ■ 05 series installation option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Use of Auto Change (When setting SEG3) (When setting SEG3) (When setting SEG3)Standard Over for HR only in Standard cooling temp. Standard for mode change heating temp. Offset Auto mode Offset Heating →...
  • Page 25 Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 (When setting SEG3) (When setting SEG3) Compensation option for Long pipe or height Explanation Standard for mode changing MTFC Time required for mode change diffference between indoor units Cooling → Heating mode Indication Details Indication Details Indication Details...
  • Page 26 Installation Procedure Height difference: The difference of the height between the corresponding indoor uint and the indoor unit installed at the (*1) lowest place. For example, When the indoor unit is installed 40 m higher than the indoor unit installed at the lowest place, select the option “1”.
  • Page 27 Changing a particular option You can change each digit of set option. Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 The option mode you The tens’ digit of an option The unit digit of an option Explanation PAGE MODE Changed value want to change SEG you will change SEG you will change...
  • Page 28: Appendix

    Troubleshooting Troubleshooting Initial Check-up Explanation • Check for EVA IN sensor of AHU-KIT heat exchanger. Make sure it is in the correct location. Check the connection status between Indoor unit and the AHU-KIT. Tcond, out-Tair, out > 3 ˚C • Make sure you have followed instructions and Tair, in-Teva, in >...
  • Page 29 AHU-KIT temperature sensor OPEN/SHORT error (ROOM sensor OPEN/SHORT) (EVA IN sensor OPEN/SHORT) Outdoor unit display (EVA OUT sensor OPEN/SHORT) (Disch. 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. Self check Is indoor room temperature sensor connector properly connected to PBA socket?
  • Page 30: Fan Error

    Troubleshooting Fan Error Outdoor unit display When Control-KIT outputs fan operation status signal and the fan feedback signal stays OPEN for more than 10 seconds. Explanation (AHU-KIT only) • Poor AHU fan operation Reason • Missing or Incorrect circuit system for fan feedback check. Self check Set the Install option 05 series SEG21 “0”.
  • Page 31: How To Inspect Just In Case The Below Condition Is Satisfied

    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 32: Error Between Ahu-Kit And Outdoor Unit At The Beginning Of Operation (In Tracking)

    Troubleshooting 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 Self check Check the number of AHU-KIT set up on outdoor unit PBA is equal to actual number of AHU-KIT installed.
  • Page 33 Error between AHU-KIT and outdoor unit during operation (after tracking) Outdoor unit display Explanation Communication is off for 2 minutes between AHU-KIT and the outdoor unit during operation.(Ensure room) Reason Communication error between AHU-KIT and the outdoor or incorrect AHU-KIT number setting Self check Press the reset KEY(K3) on the outdoor unit PBA and check the display.
  • Page 34: Ahu-Kit Installation Check

    After installation After installation AHU-KIT Installation Check Test Operation Before turning the power on, use DC 500V insulation Ensure that Control-KIT is correctly installed. tester to check the power terminal (L,N) and the earthing • You can choose the built-in type or auxillary type on AHU-KIT.
  • Page 35 Memo English...

This manual is also suitable for:

Mxd-k050anMxd-k075anMxd-k100anMxd-x000an

Table of Contents