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Air conditioner
Installation manual
AJ***CXS*CH / AJ***BXJ*CH
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this manual carefully and retain it for future
reference.
DB68-12535A-00_IM_23Y FJM Outdoor_AA_EN_.indd 1
DB68-12535A-00_IM_23Y FJM Outdoor_AA_EN_.indd 1
2023-09-22 오후 1:46:52
2023-09-22 오후 1:46:52
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Summary of Contents for Samsung AJ CXS CH Series
- Page 1 Air conditioner Installation manual AJ***CXS*CH / AJ***BXJ*CH • Thank you for purchasing this Samsung air conditioner. • Before operating this unit, please read this manual carefully and retain it for future reference. DB68-12535A-00_IM_23Y FJM Outdoor_AA_EN_.indd 1 DB68-12535A-00_IM_23Y FJM Outdoor_AA_EN_.indd 1 2023-09-22 오후...
- Page 2 Contents Safety Information General information Installing the unit Power supply line, fuse or circuit breaker Installation Procedure Step 1 Choosing the installation location Step 2 Checking and preparing accessories and tools Step 3 Fixing the outdoor unit in place Step 4 Connecting the power cables, communication cable, and controllers Step 5 Connecting the refrigerant pipe Step 6 Optional: Cutting and flaring the pipes Step 7 Connecting refrigerant pipes and vacuuming...
- Page 3 • This manual explains how to install an indoor unit with maintenance works. Installation/repair technicians a split system with two SAMSUNG units. The use of may be injured if protective equipment is not properly other types of units with different control systems may equipped.
- Page 4 Safety Information • This appliance is not intended for use by persons • Make sure that the condensed water runs well out of (including children) with reduced physical, sensory or the unit at low ambient temperature. Drain pipe and mental capabilities, or lack of experience and knowledge, cond heater can frost/ice can not grow.
- Page 5 Outdoor Unit CAUTION 7.87 inch(200 mm) Air Guide Duct (This product is not provided by Samsung) • Depending on the condition of the power supply, • Install the unit at a height where its base can be firmly unstable power or voltage may cause malfunction of fixed in place.
- Page 6 • Check the condition of the product periodically. ‐ Check the installation site every 3 months and perform anti-corrosion treatment such as R-Pro 11.81 (300) supplied by SAMSUNG (Code : MOK-220SA) or or more commercial water repellent grease and wax, etc., based on the product condition.
- Page 7 Assembly Cable (option) Drain Plug Energy Label U.S. Government Federal law prohibits removal of this label before consumer purchase. Heat Pump Samsung Electronics Co., Ltd. Cooling and Heating Model AJ036JCJ5CH Split System Heating Capacity 40,000 Btu/h Cooling Capacity 36,000 Btu/h...
- Page 8 Installation Procedure Step 3 Fixing the outdoor unit in place Optional: Fixing the outdoor unit to a wall with a rack Install the outdoor unit on a rigid and stable base to Designed to cut off residual vibration from prevent disturbance from any noise caused by vibration. outdoor unit to rack.
- Page 9 • Connect the air conditioner to the earthing system 2 Remove conduit knock-outs for the required number before making the electrical connections. of connections. ‐ AJ036BXJ4CH Connecting wire conduits When connecting cables between the indoor unit and the outdoor unit, use conduits to protect the cables. 1 Remove the conduit plate from the product.
- Page 10 Installation Procedure Connecting the cables to the outdoor unit • AJ****X*3CH A-unit B-unit C-unit Indoor unit Assembly cable F1 F2 F1 F2 F1 F2 Earth Earth Earth terminal terminal terminal F1 F2 F1 F2 F1 F2 Power cable Communication cable to indoor units to indoor units L1 L2 L1 L2...
- Page 11 • AJ****X*5CH A-unit B-unit C-unit D-unit E-unit Indoor unit 1(L) 2(N) F1 1(L) 2(N) F1 1(L) 2(N) F1 1(L) 2(N) F1 1(L) 2(N) F1 Assembly cable F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 Earth Earth Earth Earth Earth terminal terminal...
- Page 12 Installation Procedure Specification for circuit breaker and power supply cord • Power supply cord is not supplied with air conditioner. • Select the power supply cord in accordance with relevant local and national regulations. • Wire size must comply with the applicable local and national code. •...
- Page 13 Central control connection (optional) PCB MAIN - OUT Do not connect the power and communication wires to these terminal blocks Terminal blocks(R1,R2) for connection with the Upper Controller (DMS, Touch, On/Off Controller, etc.) Turn the power off and take off the cover of the outdoor units. Connect R1/R2 lines which are upper controller communication cables referring to upper figure.
- Page 14 Installation Procedure Outdoor-to-indoor power terminal specifications • Connect the cables to the terminal board using the compressed ring terminal. • Cover a solderless ring terminal and a connector part of the power cable and then connect it. Silver solder Nominal Nominal dimensions for dimensions for...
- Page 15 Step 5 Connecting the refrigerant pipe Outdoor-to-indoor power and communication cables specifications ◆ AJ020CXS3CH 1 Piping outside diameter. Indoor power supply Power Outside Power supply Max/Min (V) Indoor power cable Indoor unit Out unit supply Ø, diameter 0.0039 inch² ↑ (2.5 mm² ↑), V, Hz Liquid Gas 1Φ, 208-230V~, 60Hz...
- Page 16 Installation Procedure ◆ AJ024CXS4CH ◆ AJ030CXS4CH / AJ036CXS4CH / AJ036BXJ4CH 1 Piping outside diameter. 1 Piping outside diameter. Power Outside Power Outside Indoor unit Out unit supply Ø, diameter Indoor unit Out unit supply Ø, diameter V, Hz Liquid Gas V, Hz Liquid Gas **07/09/12/009/...
- Page 17 ◆ AJ048BXJ5CH CAUTION 1 Piping outside diameter • If the indoor unit combination includes AJ***BNHDCH / AC***BNZDCH indoor units, select a combination Outside Power according to the guide in the Technical Data Book. diameter Indoor unit Out unit supply Ø, •...
- Page 18 Installation Procedure Step 7 Connecting refrigerant pipes 4 Slide a flare nut on to the pipe and flare the pipe. and vacuuming R0.02 to 0.03 inch (R 0.4 to 0.8 mm) WARNING • When installing, make sure there is no leakage. When recovering the refrigerant, ground the compressor first before removing the connection pipe.
- Page 19 3 Open the valve of the low pressure side of manifold CAUTION gauge counter clockwise. • Make the electrical connection and leave the system 4 Purge the air from the system using vacuum pump for into "stand by mode". Do not turn on the system! This about 30 minutes.
- Page 20 Installation Procedure Step 8 Performing the gas leak test Step 9 Adding refrigerant (R-410A) Before completing the installation (insulation of the Calculating the quantity of refrigerant to add cables, hose and piping and fixing of the indoor unit to the installation plate), you must check that there are no gas leaks.
- Page 21 NOTE CAUTION • If R-410A refrigerant is charged with gas, the • For AJ***CXS*CH model, do not install a drain hose composition of the charged refrigerant changes and and a drain plug. the characteristics of the equipment vary. ‐ Let the water drain naturally. •...
- Page 22 Installation Procedure 3 Finish wrapping insulating tape around the rest of the Setting Key and Display of the outdoor unit pipes leading to the outdoor unit. • Key option of the outdoor unit 4 Install a green/yellow colored earthing wire: ‐...
- Page 23 • K4 View mode Display changes Setting the outdoor option • Press and hold K2 to enter the option setting. Display Push Push Display Explanation (Only available when the operation is stopped) Explanation ‐ If you enter the option setting, display will show the Present following.
- Page 24 Installation Procedure Example) • If you have selected desired option, you can shortly press the K2 switch to adjust the value of the Seg 3, Seg 4 and change the function for the selected option. Example) • After selecting the function for options, press and hold the K2 switch for 2 seconds. Edited value of the option will be saved when entire segments blinks and tracking mode begins.
- Page 25 Setting Option <AR**CSDAFWKN / Entering mode for setting option Option setting mode AR**CSDABWKN / AR**CSFCMWKN / AR**CSKCPWKN> Mode button High Temp button Fast button Low Temp button WindFree button <AC***BN*DCH / AJ***BNHDCH> Mode button High Fan button High Temp button Low Temp button Low Fan button English...
- Page 26 Installation Procedure Setting Option 1 Remove batteries from the remote controller 2 Insert batteries and enter the option setting mode while pressing button and button. 3 Each time you press button, 7-seg on left side is increased by "1" and each time you press button, 7-seg on right side is increased by "1"...
- Page 27 Operation Indication Step 4 Press button to be changed to DRY mode in the ON status. 1 Press button to enter SEG6. 2 Press button to enter SEG8. Step 5 Press button to be changed to FAN mode in the ON status. 1 Press button to enter SEG9 value.
- Page 28 Installation Procedure Operation Indication Step 11 Press button to be changed to HEAT mode in the OFF status 1 Press button to enter SEG23 value. 2 Press button to enter SEG24 value. Step 12 Press button to check whether the option code you entered is correct or not. Press operation button to enter option.
- Page 29 1 Turn on the outdoor unit, and then check whether the display 1/2 indications are displayed "E199" code. ※ During the initial , display 1 shows " " and display 2 shows the connected indoor number. • If different display code is shown, see Troubleshooting on page 34 and take corrective actions. 2 Push once the K1 button.
- Page 30 Installation Procedure Option No. : 0AXXXX-1XXXXX-2XXXXX-3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 100-digit of indoor 10-digit of indoor A single digit of Explanation Page Mode Setting main address unit address unit indoor unit Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details...
- Page 31 Step 13 Cool and Heat modes Step 14 Optional: Setting to Cool or operation test Heat only mode After installing the outdoor and indoor units, test the Cool This function enables the indoor units connected to the and Heat modes. outdoor unit to operate in a specific mode.
- Page 32 Extra procedures Extra Procedures Pumping down refrigerant Relocating the indoor and outdoor units WARNING 1 Pump down refrigerant. See Pumping down refrigerant on page 32. • After installing the product, be sure to perform leak 2 Remove the power cord. tests on the piping connections.
- Page 33 3 Tighten the cap securely. Tightening torque Outer Diameter Body cap Charging port cap [inch (mm)] [(lbf·ft (Nꞏm)] [(lbf·ft (Nꞏm)] Φ1/4 (Ø 6.35) 14.8 to 18.4 (20 to 25) Φ3/8 (Ø 9.52) 7.4 to 8.9 18.4 to 22.1 (10 to 12) Φ1/2 (Ø...
- Page 34 Appendix Troubleshooting ‐ The table below list the self-diagnostic routines. For some of PCB MAIN - OUT error, you must contact an authorized service center. ‐ If an error occurs during the operation, it is displayed on the outdoor unit PCB MAIN-OUT. 88 SEG DISPLAY Error Code Explanation...
- Page 35 Error Code Explanation Remark E401 OUTDOOR UNIT FREEZING-SAFETY CONTROL(COMPRESSOR STOP) E404 OUTDOOR UNIT OVERLOAD-SAFETY CONTROL(COMPRESSOR STOP) E416 COMPRESSOR OPERATION STOP DUE TO DISCHARGE TEMPERATURE PROTECTION CONTROL E422 HIGH PRESSURE BLOCKAGE CONTROL E440 HEATING MODE RESTRICTION DUE TO HIGH AIR TEMPERATURE E441 COOLING MODE RESTRICTION DUE TO LOW AIR TEMPERATURE E458...
- Page 36 DB68-12535A-00_IM_23Y FJM Outdoor_AA_EN_.indd 36 DB68-12535A-00_IM_23Y FJM Outdoor_AA_EN_.indd 36 2023-09-22 오후 1:46:59 2023-09-22 오후 1:46:59...