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Air conditioner
Installation manual
AC
MN DKH
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 AC052MN4DKH
- Page 1 Air conditioner Installation manual MN DKH 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 Contents Safety Information Installation Procedure Step 1 Checking and preparing accessories Step 2 Choosing the installation location Step 3 Optional: Insulating the body of the indoor unit Step 4 Installing the indoor unit Step 5 Purging inert gas from the indoor unit Step 6 Cutting and flaring the pipes Step 7 Connecting the assembly pipes to the refrigerant pipes Step 8 Performing the gas leak test...
- Page 3 Installing the unit This manual explains how to install an indoor unit with a split system with two SAMSUNG units. The use of other WARNING types of units with different control systems may damage the units and invalidate the warranty.
- Page 4 Safety Information After completing the installation, always carry out a Devices disconnected from the power supply should be functional test and provide the instructions on how to completely disconnected in the condition of overvoltage operate the air conditioner to the user. category.
- Page 5 Installation Procedure 4 way Cassette Step 1 Checking and preparing accessories Pattern sheet (1) Drain hose (1) The following accessories are supplied with the indoor unit. The type and quantity may differ, depending on the specifications. 1 way Cassette Insultaion pipe Pattern sheet A (1) Insultaion drain hose (1) Insulation pipe (2)
- Page 6 Installation Procedure Indoor unit dimensions 1 way Cassette (Unit: mm) Air discharge grille Air suction grille 1180 1036 1074 Power supply connection Gas pipe connection (ø9.52) Drain Hole Drain pipe connection (VP20[OD26, ID20]) Model AC026MN1DKH / AC035MN1DKH Chassis Small Net dimension (W × D × H) 970 X 410 X 135 Net weight Liquid pipe connection...
- Page 7 (Unit: mm) 4 way Cassette 890~910 (Celling opening) 735 (Celling opening) Sub duct connection Model AC052MN4DKH AC071MN4DKH AC090MN4DKH AC100MN4DKH AC120MN4DKH AC140MN4DKH Chassis Small Large Large+ Net dimension 840 X 840 X 204 840 X 840 X 204 840 X 840 X 288...
- Page 8 1500 mm or more 2500 mm or more 20 mm Obstruction C: 1500 mm or more AC090MN4DKH CAUTION AC052MN4DKH AC100MN4DKH AC026MN1DKH Model The indoor unit must be installed according to the AC071MN4DKH AC120MN4DKH AC035MN1DKH specified distances in order to permit accessibility...
- Page 9 Insulate the end of the pipe and some curved area by using separate insulator. NOTE A: Reference for the outer circumference of the unit (When insulating the body of the indoor unit, use A as the reference for its outer circumference.) Indoor unit AC052MN4DKH 4 way Cassette <S> 910X151 940X151 610X151...
- Page 10 Installation Procedure Step 4 Installing the indoor unit CAUTION When deciding on the location of the air conditioner the Make sure that the ceiling is strong enough to support following restrictions must be taken into account. the weight of the indoor unit. Before hanging the unit, test the strength of each attached suspension 1 Place the pattern sheet on the ceiling at the spot bolt.
- Page 11 1 way Cassette NOTE To prevent dirt or foreign objects from getting into Level the pipes during installation, do not remove the pinch vinyl tube pipe completely until you are ready to connect the Ceiling Ceiling piping. 15 mm 15 mm Gauge of dimensions <Side view>...
- Page 12 Installation Procedure 5 Check that the flaring is correct, referring to the Outer Diameter (mm) illustrations below for examples of incorrect flaring. Ø6.35 14 to 18 Ø9.52 34 to 42 Ø12.70 49 to 61 Ø15.88 68 to 82 Ø19.05 100 to 120 Cracked Uneven Damaged...
- Page 13 Step 8 Performing the gas leak test NOTE To identify potential gas leaks on the indoor unit, inspect Always make the seam of pipes face upwards. the connection area of each refrigerant pipe using a leak detector for R-410A. 2 Wind insulating tape around the pipes and drain hose avoiding compressing the insulation too much.
- Page 14 Installation Procedure 5 Select the insulation of the refrigerant pipe. Step 10 Installing the drain hose and Insulate the gas side and liquid side pipe, noting drain pipe the insulation thickness that must differ according to the pipe size. 1 Push the supplied drain hose as far as possible over the drain socket.
- Page 15 Install air ventilation to drain condensation smoothly. Install horizontally. Air ventilation Be horizontal Indoor unit Ceiling Flexible hose If it is necessary to increase the height of the drain Max. allowable axis gap. pipe, install the drain pipe straight within 300 mm from the drain hose port.
- Page 16 Installation Procedure b When the electric cable connection is completed Step 11 Performing the drainage test Turn on the indoor unit and outdoor unit. 1 Do a leak test at the connection part of the flexible Operate in the Cool mode. hose and the drian pipe: a Connect a general hose to the connection part of CAUTION...
- Page 17 1 phase Step 12 Connecting the power and communication cables CAUTION Indoor Unit 1(L) Always remember to connect the refrigerant pipes before performing the electric connections. 2(N) When disconnecting the system, always disconnect Outdoor the electric cables before disconnecting the Unit refrigerant pipes.
- Page 18 Installation Procedure Step 13 Optional: Extending the Indoor power supply power cable Power supply Max/Min(V) Indoor power cable 1 Prepare the following tools. ±10% 220 to 240V, 50 Hz 0.75 to 1.5 mm², 3 wires Communication cable Tools Spec Shape 0.75 to 1.5 mm², 2 wires Crimping pliers MH-14...
- Page 19 3 Insert both sides of core wire of the power cable into 6 Apply heat to the contraction tube to contract it. the connection sleeve. Contraction tube Method 1: Push the core wire into the sleeve from both sides. Method 2: Twist the wire cores together and push it into the sleeve.
- Page 20 Installation Procedure 2 Set the option values. Step 14 Setting the indoor unit addresses and the installation options CAUTION You cannot set both of the indoor unit addresses and The total number of available options are 24: SEG1 to the installation options in a batch: set both of them SEG24.
- Page 21 Take the steps presented in the following table: Steps Remote control display 1 Set the SEG2 and SEG3 values: a Set the SEG2 value by pressing the (Low Fan) button repeatedly until the value you want to set appears on the remote control display. SEG2 b Set the SEG3 value by pressing the (High Fan) button repeatedly until the...
- Page 22 Installation Procedure Steps Remote control display 6 Press the (Mode) button. Fan and On appear on the remote control display. 7 Set the SEG9 and SEG10 values: a Set the SEG9 value by pressing the (Low Fan) button repeatedly until the value you want to set appears on the remote control display.
- Page 23 Steps Remote control display b Set the SEG15 value by pressing the (High Fan) button repeatedly until the value you want to set appears on the remote control display. When you press the (Low Fan) or (High Fan) button, values appear in the SEG15 following order: 12 Press the...
- Page 24 Installation Procedure Steps Remote control display 17 Set the SEG21 and SEG22 values: a Set the SEG21 value by pressing the (Low Fan) button repeatedly until the value you want to set appears on the remote control display. SEG21 b Set the SEG22 value by pressing the (High Fan) button repeatedly until the value you want to set appears on the remote control display.
- Page 25 5 Check whether the air conditioner operates in accordance with the option values you have set: a Reset the indoor or outdoor unit. Indoor unit : Press the (Set) and (Low Fan) buttons on the remote control simultaneously for 4 seconds.
- Page 26 Installation Procedure CAUTION The main address must be set to a value in the range 0 to 14. If you set other values, communication error will occur. If any of SEG5 and SEG6 is set to a value in the range A to F, the main address of the indoor unit does not change. If SEG3 is set to 0, the indoor unit maintains the existing main address even if SEG6 is set to a new value.
- Page 27 Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Function Page Use of drain pump Indication Details Indication Details Disuse Reserved Reserved Reserved Reserved Indication and details Use with 3 minute delay Option SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 Setting the Maximum filter Function Page Use of external control...
- Page 28 Installation Procedure Even if you set the Use of drain pump (SEG8) option to 0, it is automatically set to 2 (the drain pump is used with 3 minute delay). If you set the Maximum filter usage time (SEG18) option to a value other than 2 and 6, it is automatically set to 2 (1000 hours).
- Page 29 Optional: Installing DPM (Digital Packaged Multi) NOTE Only AC071MN4DKH, AC100MN4DKH, AC120MN4DKH, AC026MN1DKH and AC035MN1DKH models are available to install DPM. When installing DPM, you should set "DPM setting" to the outdoor unit. You do not need to set the address manually for the indoor unit. If DPM model is not set, communication error may occur.
- Page 30 Troubleshooting Troubleshooting 1 way Cassette LED lamp display Operation Defrost Filter Timer Abnormal conditions Remarks reset Blue Yellow Power reset Error of temperature sensor in the indoor unit (Open/ Short) Error of heat exchanger sensor in the indoor unit Error of the outdoor temperature sensor Error of the condensor temperature sensor Error of the discharge temperature sensor 1.
- Page 31 4 way Cassette LED lamp display Operation Defrost Timer Filter Abnormal conditions Remarks Power reset Error of temperature sensor in the indoor unit (Open/ Short) Error of heat exchanger sensor in the indoor unit (Open/Short) Error of fan motor in the indoor unit Error of the outdoor temperature sensor Error of the condensor temperature sensor Error of the discharge temperature sensor...