Samsung EH***EAV* Series Installation Manual
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Samsung EH***EAV* Series Installation Manual

System air conditioner duct type
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  • Page 2: Safety Precautions

     This manual explains how to install an indoor unit with a split system with two SAMSUNG units. The use of other types of units with different control systems may damage the units and invalidate the warranty. The manufacturer shall not be responsible for damages arising from the use of non compliant units.

  • Page 3: Table Of Contents

    Contents Preparation for installation ............4 ...

  • Page 4: Preparation For Installation

    Preparation for installation When deciding on the location of the air conditioner with the owner, the following restrictions must be taken into account. General Do NOT install the air conditioner in a location where it will come into contact with the following elements: ...

  • Page 5: Deciding On Where To Install The Indoor Unit

    Deciding on where to install the indoor unit Indoor unit  There must be no obstacles near the air inlet and outlet.  Install the indoor unit on a ceiling that can support its weight.  Maintain sufficient clearance around the indoor unit. ...
  • Page 6 Deciding on where to install the indoor unit (Continued) Drawing of the indoor unit EH035EAV1 11.9 3 256=768 938.4 (Suspension position) 8 100=800 (Air outlet duct flange) 22-ø3.2 hole (Air around) Inspection hole 1000 Discharge side Suction side Name Description Liquid pipe connection ø6.35 Gas pipe connection...
  • Page 7 EH052/070EAV1 (Suspension position) (Air outlet duct flange) hole (Air around) Inspection hole 1100 1200 Suction side Discharge side Name Description Liquid pipe connection ø6.35 Gas pipe connection ø12.70( );ø15.88( 052 070) Drain pipe connection OD32 ID26(without drain pump) Drain pipe connection Using drain pump (Optional) Power supply connection Air discharge flange...
  • Page 8 Deciding on where to install the indoor unit (Continued) Drawing of the indoor unit DH052/070EAS Unit : mm DH052EAV1 (Suspension position) Inspection hole Discharge side Suction side Name Description Liquid pipe connection ø6.35 Gas pipe connection ø12.70( );ø15.88( 052 070) Drain pipe connection OD32 ID26(without drain pump) Drain pipe connection...
  • Page 9 DH070EAV1 DH090EAV DH090EAS Unit : mm DH105EAS hole 18-Ø3.2 (Suspension position) (Air around) Inspection hole Discharge side Suction side ODØ32 Name Description Liquid pipe connection ø9.52 Gas pipe connection ø15.88 Drain pipe connection OD32 ID26(without drain pump) Drain pipe connection Using drain pump (Optional) Power supply connection Air discharge flange...
  • Page 10 Deciding on where to install the indoor unit (Continued) Drawing of the indoor unit DH105EAV Unit : mm ��� ��������������� Name Description Liquid pipe connection ø9.52 Gas pipe connection ø15.88 Drain pipe connection OD32 ID26(without drain pump) Drain pipe connection Using drain pump (Optional) Power supply connection Air discharge flange...
  • Page 11 DH140EAV Unit : mm ��� ��� ���� ������������������������ ������������ �������������� ������������ ��������������� Name Description Liquid pipe connection ø9.52 Gas pipe connection ø19.05 Drain pipe connection OD32 ID26(without drain pump) Drain pipe connection Using drain pump (Optional) Power supply connection Air discharge flange Air filter Hook M8~M10...

  • Page 12: Indoor Unit Installation

    Indoor unit installation It is recommended to install the refnet joint before installing the indoor unit. Place the pattern sheet on the ceiling at the spot where you want to install the indoor unit. Note Since the diagram is made of paper, it may shrink or stretch slightly due to temperature or humidity.

  • Page 13: Purging The Unit

    Purging the unit From factory the unit is supplied and set with a pre-charge of nitrogen gas (insert gas). Therefore, all insert gas must be purged before connecting the assembly piping. Unscrew the pinch pipe at the end of each refrigerant pipe. Result: All inert gas escapes from the indoor unit.

  • Page 14: Connecting The Refrigerant Pipe

    Connecting the refrigerant pipe There are two refrigerant pipes of different diameters:  A smaller one for the liquid refrigerant  A larger one for the gas refrigerant Liquid refrigerant port  The thickness of tube should not be less than 1.0mm. ...

  • Page 15: Cutting/Flaring The Pipes

    Cutting/Flaring the pipes Make sure that you have the required tools available. (pipe cutter, reamer, flaring tool and pipe holder). If you wish to shorten the pipes, cut it with a pipe cutter, taking care to ensure that the cut edge remains at a 90° angle with the side of the pipe. Refer to the illustrations below for examples of edges cut correctly and incorrectly.

  • Page 16: Performing Leak Test & Insulation

    Performing leak test & insulation Leak test LEAK TEST WITH NITROGEN (before opening valves)  In order to detect basic refrigerant leaks, before recreating the vacuum and recirculating the R-410A, it’s responsable of installer to pressurize the whole system with nitrogen (using a cylinder with pressure reducer) at a pressure above 30 bar (gauge).

  • Page 17: Drain Hose Installation

    Drain hose installation Care must be taken when installing the drain hose for the indoor unit to ensure that any condensate water is correctly drained outside. The drain hose can be installed to the right of the base pan. Unscrew the 4 tapped screws to remove the cover of the drain hose connection port.

  • Page 18: Testing The Drainage

    Drain hose installation (Continued) CAUTION When not installing the drain pump When installing the drain pump Do not give the hose upward gradient after the connection The maximum height of drain pump hose is 75cm or less. port. This will cause water to flow backWards when the unit If it is raised higher than 75cm, there can be water leaks.

  • Page 19: Connecting The Connection Cord

    Connecting the connection cord CAUTION Always remember to connect the refrigerant pipes before performing the electric connections.  When disconnecting the system, always disconnect the electric cables before disconnecting the refrigerant pipes.  Always remember to connect the air conditioner to the grounding system before performing the electric connections.
  • Page 20 Connecting the connection cord (Continued) DH090/105/140EAV DH090/105EAS When using 1 phase Indoor unit Outdoor unit Between Indoor and Outdoor Connection Cord Specifications Power Supply (Single Phase) Earth Cable Communication Cable Home server Max/Min(V) Connection Wire Power Supply 0.75~1.25mm 0.75~1.25mm 220-240V~/50Hz 1.25mm Ø...
  • Page 21 DH105/140EAV When using 3 phase 4 wires Indoor unit Outdoor unit Between Indoor and Outdoor Connection Cord Specifications Power Supply (Single Phase) Earth Cable Communication Cable Home server Power Supply Max/Min(V) Connection Wire 0.75~1.25mm 0.75~1.25mm 220-240V~/50Hz 1.25mm Ø 1.6mm,1 wire ±...

  • Page 22: Adjusting Air Flow

    Adjusting air flow E. S. P(External Static Pressure) setting for phase control motor With its phase control motor, you can adjust the indoor unit fan speed depending on the installation condition. If the external static pressure is high so that the duct becomes longer or if the external static pressure is low so that the duct becomes shorter, adjust the fan speed by referring the following table.

  • Page 23: Setting Up The Mode Option

    Setting up the mode option This operation is possible if the indoor unit is connected at wireless receiver kit(MRK-A00), duct receiver kit wire(MRW-10A) and infrared remote control(MR- AH01 or MR-BH01) Setting option setup method For example) Option code : Prepare of the option setup mode. a.
  • Page 24 Setting up the mode option (Continued)  Press the button, then the default value is    Press the button to set the display panel to    E very time you press the button, the display panel reads ...

  • Page 25: Option Items

    Press the button.   W hen you press the button towards the indoor unit, the sound ‘Ding’ or ‘Diriring’ is heard and the power indicator of the display flashes at the same time. Then the option code setting is completed.

  • Page 26: Assigning Address To Indoor Unit

    Assigning address to indoor unit Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan. The address of the indoor unit is assigned by adjusting MAIN(SW02) and RMC(SW04) rotary switches. It is required to set the RMC address if you install the wired remote control and/or the centralized control.

  • Page 27: Additional Functions

    Additional functions Compensation for lost temperature in heating operation  Reduces the difference between an actual room temperature and a sensed temperature by the air conditioner when heating. Switch No. Switch ON Switch OFF SW06 2°C compensation 5°C compensation  Only for DH140EAV model. Adjusting filter cleaning cycle ...
  • Page 28 Additional functions (Continued) External control  You must adjust the K11 when you use external control. SW07 Switch No. Switch ON Switch OFF No use of external control Use of external control  You can use external control when the K11 switch is turned off. Operation ON/OFF Function Connector No.

  • Page 29: Filter Replacement(Optional)

    Filter Replacement (Optional) There are 2 kinds of air inlet as follows; they should be installed according to the following instruction. (Only for EH035EAV  Accessories Bracket Filter Cap Filter Filter Appearance When air enters back side When air enters bottom side Installation diagram When air enters back side Diffuser...

  • Page 30: Installation Method

    Filter Replacement (Optional) (Continued) Installation Method The shape and installation method are subject to change according to the models. When air enters back side Fix the indoor unit support to the top of the air inlet with screws. When air enters bottom side Fix the cover to the back of the product with screws.

  • Page 31: Drain Pump Installation(Optional)

    Drain pump installation (Optional) Accessories Drain pump and M4 X 12 Cable-tie (3) Insulation drain (2) Drain hose (1) float switch(1) tapped screw (4) Remove the air filter. Assemble the drain socket as seen in the picture after removing the rubber cap.

  • Page 32: Technical Specification & Product Feature

    Drain pump installation (Optional) (Continued) Must fit tightly against body without any gap. Insert the flexible hose into the drain socket until it clicks. Note  C heck if water does not drain. Drain hose  I nsulate the drain hose so that frost does not form. Indoor unit Insulation Cable-tie...

  • Page 33: Troubleshooting

    Troubleshooting Detection of errors  If an error occurs during the operation, one or more LED flickers and the operation is stopped except the LED.  If you re-operate the air conditioner, it operates normally at first, then detect an error again. LED Display on the receiver &...
  • Page 34 Troubleshooting (Continued) LED Display Indicators Concealed Type Abnormal conditions Remarks Green Standard Type Communication error between indoor units 1. Error of electronic expansion valve close 2. Error of electronic expansion valve open 3. 2’nd detection of high temperature cond 4. 2’nd detection of high temperature discharge 5.

  • Page 35: Wired Remote Control

    Wired remote control  If an error occurs, is displayed on the wired remote control. If you would like to see an error code, press the Test button. Outdoor unit Display Explanation Remark Indoor unit Communication Error Indoor/Outdoor unit Communication Time Out Error 60 Packet Over data Communication Error Indoor unit is not connected...

  • Page 36: Additional Accessories

    Additional accessories For information on additional options and accessories,see either product catalogue or accessories installation and operation manual. Receiver & display unit accessories Concealed type Receiver & display unit Wire kit   Receiver & STS 2S-2x10 2S-4x12 User's Installation Wire kit display unit tapped screw...
  • Page 37 Function control accessories Function M4x16 User's Installation Cable-tie Cable clamp control tapped screw manual manual Transmitter accessories Transmitter Transmitter Installation Transmitter power cable communication cable manual Note If you would like to install the centralized control, you must install the transmitter in the outdoor unit. 7-day scheduler accessories 7-day M4x16...
  • Page 39 INSTALLATION MANUAL Duct Type Series EHEAV DHEAV DHEAS System Air Conditioner (Cooling and Heating) DB98-28943A(4)

This manual is also suitable for:

Dh***eas seriesEh035eav1Eh052eav1Eh070eav1Dh052easDh070eas ... Show all

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