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Table of Contents
Related Manuals for Samsung NCAC 4
Summary of Contents for Samsung NCAC 4
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Page 2: Table Of Contents
sold or transferred. 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: Preparation For Installation
Our units should be installed in compliance with the spaces shown in the installation manual, to ensure accessibility from both sides and allow repairs or maintenance operations to be carried out. The unit’ s components should be accessible and easy to disassemble without endangering people and objects. -
Page 4: Deciding On Where To Install The Indoor Unit
Preparation for installation Accessories ◆ The following accessories are supplied with the indoor unit. The type and quantity may differ depending on the specifications. Pattern sheet (1) Thermal insulation Thermal insulation Thermal insulation Flexible hose clamp (1) sponge A(1) sponge B (1) sponge C (1) Flexible hose (1) Cable-tie(6) - Page 5 Thickness: more than 10mm 400x190 400x190 400x190 400x190 550x550 ◆ Insulate the end of the pipe and some curved area by using separate insulator. ◆ Insulate the discharge and suction part at the same time when you insulate connection duct. •...
- Page 6 Deciding on where to install the indoor unit Drawing of the indoor unit Unit : mm 585~630 (Ceiling opening) 500 (Suspension position) 47.5 47.5 47.5 47.5 Sub duct connection MODEL ✴✴026✴✴/✴✴035✴✴ Net dimension 575*250*575 Net weight 12.0 Liquid pipe connection 1/4"...
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Page 7: Indoor Unit Installation
Indoor unit installation When deciding on the location of the air conditioner with the owner, the following restrictions must be taken into account. 1. Determine the position of the pipe and drain hose hole as seen in the picture and drill the hole with an inner diameter of 65mm so that it slants slightly downwards. -
Page 8: 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. Liquid refrigerant port RESULT : All inert gas escapes from the indoor unit. -
Page 9: Cutting/Flaring The Pipes
Cutting/Flaring the pipes 1. Make sure that you have the required tools available. (pipe cutter, reamer, flaring tool and pipe holder) 2. 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. -
Page 10: Performing Leak Test & Insulation
Performing leak test & insulation Leak test To identify potential gas leaks on the indoor unit, inspect the connection area of each refrigerant pipe using a leak detector for R410A. Before recreating the vacuum and recirculating the refrigerant gas, it is advisable to pressurize the whole system with nitrogen (using a cylinder with pressure reducer) at a pressure above 40 bar in order to immediately detect leaks on the refrigerant fittings. -
Page 11: Drainpipe And Drain Hose Installation
◆ When installing insulation in places and conditions below, use the same insulation that is used for high humidity conditions. <Geological condition> - High humidity places such as shoreline, hot spring, near lake or river, and ridge (when the part of the building is covered by earth and sand.) <Operation purpose condition>... - Page 12 Drainpipe and drain hose installation • If a concentrated drain pipe is installed, refer to the figure below. NOTE Air ventilation Concentrated drain pipe Testing the drainage Water leakage You should test the drainage after completing the installation. check part Prepare a little water about 2.0 liters.
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Page 13: Connecting The Connection Cord
Connecting the connection cord • 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. CAUTION • Always remember to connect the air conditioner to the grounding system before performing the electric connections. -
Page 14: Setting An Indoor Unit Address And Installation Option
Setting an indoor unit address and installation option ▶ Set the indoor unit address and installation option with remote controller option. Set the each option separately since you cannot set the ADDRESS setting and indoor unit installation setting option at the same time.You need to set twice when setting indoor unit address and installation option. - Page 15 Option setting Status 1. Setting SEG2, SEG3 option Press Low Fan button( ) to enter SEG2 value. ∨ Press High Fan button( ) to enter SEG3 value. ∧ Each time you press the button, will be selected in rotation. …...
- Page 16 Setting an indoor unit address and installation option Option setting Status 12. Setting Cool mode Press Mode button to be change to Cool mode in the OFF status. 13. Setting SEG16, SEG17 option Press Low Fan button( ) to enter SEG16 value. ∨...
- Page 17 Setting an indoor unit address (MAIN/RMC) 1. 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. 2. The panel(display ) should be connected to an indoor unit to receive option. 3.
- Page 18 Setting an indoor unit address and installation option Setting an indoor unit installation option (suitable for the condition of each installation location) 1. 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. 2.
- Page 19 Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Individual control of Heating setting Motion detect Explanation PAGE a remote controller compensation sensor Indication Details Indication Details Indication Details Indication Details 0 or 1 Indoor 1 0.No Use (Factory Setting) 1.Standard Mode/Auto Indoor 2 Disuse Set OFF30 Min.
- Page 20 Setting an indoor unit address and installation option Changing a particular option You can change each digit of set option. Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 The option mode The tens’ digit of an The unit digit of Explanation PAGE MODE you want to...
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Page 21: Troubleshooting
Troubleshooting 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... -
Page 23: Air Conditioner
Cassette Type Series AC✴✴✴JNNCEH Air Conditioner installation manual This manual is made with 100% recycled paper. imagine the possibilities Thank you for purchasing this Samsung product. DB68-05398A-00 NO SV DA FI ET DE...