Table of Contents
Troubleshooting
Related Manuals for Samsung AC NN4SEC Series
Summary of Contents for Samsung AC NN4SEC Series
- Page 1 Air conditioner User&Installation manual AC∗∗∗NN4SEC • 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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Page 2: Table Of Contents
Features of your new air conditioner Contents Cool Summer Offer USING PARTS Safety precautions ............3 On those hot sweltering summer days and long restless nights, there is no better escape from the heat than Checking before use ............8 the cool comforts of home. -
Page 3: Using Parts
Because the following operating instructions cover various models, the characteristics of your air conditioner may differ slightly from those described in this manual. If you have any questions, call your nearest contact center or find help and information online at www.samsung.com. Important safety symbols and precautions:... - Page 4 Safety precautions This appliance must be properly grounded. Do not ground the appliance to a gas pipe, plastic water pipe, or telephone line. Failure to do so may result in electric shock, fire, an explosion, or other problems with the product.
- Page 5 To reinstall the air conditioner, please contact your nearest service center. Failing to do so may result in problems with the product, water leakage, electric shock, or fire. A delivery service for the product is not provided. If you reinstall the product in another location, additional construction expenses and an installation fee will be charged.
- Page 6 Safety precautions If any foreign substance such as water has entered the appliance, cut the power by unplugging the power plug and turning the circuit breaker off and then contact your nearest service center. Failing to do so may result in electric shock or fire. Do not attempt to repair, disassemble, or modify the appliance yourself.
- Page 7 Avoid directly exposing humans, animals or plants from the air flow from the air conditioner for long periods of time. This may result in harm to humans, animals or plants. This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
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Page 8: Checking Before Use
Checking before use Operation ranges The table below indicates the temperature and humidity ranges the air conditioner can be operated within. Refer to the table for efficient use. OPERATIONAL TEMPERATURE MODE INDOOR HUMIDITY IF OUT OF CONDITIONS INDOOR OUTDOOR COOLING 21˚C to 32˚C 21˚C to 54˚C 80% or less... - Page 9 Tips on using air conditioner Here are some tips that you would follow when using your air conditioner. TOPIC RECOMMENDATION Cooling • If current outside temperatures are much higher than the selected indoor temperature, it may take time to bring the inner temperature to the desired coolness. •...
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Page 10: Viewing The Parts
Viewing the parts Main parts Air flow blade Air intake Air filter (under the grille) Display Indicator Remote control sensor Filter reset indicator Timer indicator Removing frost indicator On/Off operation indicator NOTE • Your air conditioner and display may look slightly different from the illustration shown above depending on your model. -
Page 11: Cleaning And Maintaining The Air Conditioner
Cleaning and maintaining the air conditioner Cleaning the exterior Wipe the surface of the unit with a slightly wet or dry cloth when needed. Wipe off dirt of odd-shaped area by using a soft brush. CAUTION • Do not use Benzene or Thinner. They may damage the surface of the air conditioner and can create a risk of fire. - Page 12 Remove the safety clip first and then remove the Samsung logo. Press both of the levers and pull the hinge. Pull the green switch on the hinge part grille downward. Two safety clips are mounted to the down and then press and pull the hinge part to front grille to prevent it from dropping.
- Page 13 If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best condition. Dry the air conditioner thoroughly by operating in Fan mode for 3 to 4 hours and disconnect the power plug. ...
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Page 14: Troubleshooting
Troubleshooting Refer to the following chart if the air conditioner operates abnormally. This may save time and unnecessary expenses. PROBLEM SOLUTION The air conditioner does • Because of the protective mechanism, the appliance does not start operating not operate immediately immediately to keep the unit from overloading. -
Page 15: Installation Parts
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. - Page 16 Safety precautions Installing the unit IMPORTANT: When installing the unit, always remember to connect first the refrigerant tubes, then the electrical lines. Always disassemble the electric lines before the refrigerant tubes. Upon receipt, inspect the product to verify that it has not been damaged during transport. If the product appears damaged, DO NOT INSTALL it and immediately report the damage to the carrier or retailer (if the installer or the authorized technician has collected the material from the retailer.)
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Page 17: Preparation For Installation
CAUTION Make sure that you earth the cables. - Do not connect the earth wire to the gas pipe, water pipe, lighting rod or telephone wire. If earthing is not complete, electric shock or fire may occur. Install the circuit breaker. - If the circuit breaker is not installed, electric shock or fire may occur. -
Page 18: 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 Insulation cover Insulation cover Insulation drain Flexible hose clamp pipe A pipe B Flexible hose Cable-tie user &... - Page 19 Thickness: more than 10mm Indoor Unit 530x 140 530x 140 580x 140 ∗∗052/071∗∗ 435x140 830x830 530x 224 530x 224 580x 224 ∗∗090/100/120/140∗∗ 435x224 830x830 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. CAUTION •...
- Page 20 Deciding on where to install the indoor unit Drawing of the indoor unit Unit : mm 890~910 (Celling opening) 735 (Suspension position) Sub duct connection MODEL ∗∗052∗∗ ∗∗071∗∗ ∗∗090/100/120/140∗∗ Net dimension 840×204×840 840×288×840 Net weight 15.0 18.0 Liquid pipe connection 1/4"(6.35) 3/8"(9.52) Gas pipe connection...
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Page 21: 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 22: 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 RESULT : All inert gas escapes from the indoor unit. -
Page 23: 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 24: 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 2 bar, less than 40 bar (gauge) in order to immediately detect leaks on the refrigerant fittings. - Page 25 Insulation Type (Heating/Cooling) Pipe Pipe size Standard [30°C, less than 85%] High humidity [30°C, over 85%] Remarks EPDM, NBR Ø6.35 ~ Ø9.52 Liquid pipe Ø12.7 ~ Ø19.05 Ø6.35 Internal temperature Ø9.52 is higher than 120°C Ø12.70 pipe Ø15.88 Ø19.05 When installing insulation in places and conditions below, use the same insulation that is used for high humidity conditions.
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Page 26: Drainpipe And Drain Hose Installation
Drainpipe and drain hose installation 1 Push the supplied drain hose as far as possible over the drain socket. 2 Tighten the metal clamp as shown in the picture. 3 Wrap the supplied large sealing pad over the metal clamp and drain hose to insulate and fix it with clamps. 4 Insulate the complete drain piping inside the building (field supply). - Page 27 Performing leak test 1. Check the leak test at the connection part of the flexible hose and the distributing pipe (PVC). Water leakage check part 1) Connect a general hose to the connection part of the flexible hose of the indoor unit, and pour in some water. 2) After pouring some water, reassemble the rubber cap on the Hose connection part of a flexible hose of the indoor unit and tighten it with...
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Page 28: Connecting The Connection Cord
Connecting the connection cord CAUTION • A lways 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. • A lways remember to connect the air conditioner to the grounding system before performing the electric connections. The indoor unit is powered by the outdoor unit by means of a H07 RN-F connection cable (or a more power model), with insulation in synthetic rubber and jacket in polychloroprene(neoprene), in accordance with the requirements of standard EN 60335-2-40. -
Page 29: Extending The Power Cable
Extending the power cable 1. Prepare the following tools. Connection sleeve Contraction tube Tools Crimping pliers Insulation tape (mm) (mm) Spec MH-14 20xØ6.5(HxOD) Width 19mm 70xØ8.0(LxOD) Shape 2. As shown in the figure, peel off the shields from the rubber and wire of the power cable. - Page 30 Extending the power cable 5. Wrap it with the insulation tape twice or more and position your contraction tube in the middle of the insulation tape. Three or more layers of insulation are required. f Method 1 f Method 2 Insulation tape Insulation tape 40 mm...
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Page 31: Setting An Indoor Unit Address And Installation Option
Setting an indoor unit address and installation option Set the indoor unit installation option with remote controller. The procedure of option setting Option setting mode Entering mode for setting option Mode change High Temp Button High Fan Button Low Fan Button Low Temp Button Step 1. - Page 32 Setting an indoor unit address and installation option Option setting Status 1. Setting SEG2, SEG3 option Press Low Fan button(∨) to enter SEG2 value. Press High Fan button(∧) to enter SEG3 value. SEG2 SEG3 Each time you press the button, … will be selected in rotation. 2.
- Page 33 Option setting Status 13. Setting SEG16, SEG17 option Press Low Fan button(∨) to enter SEG16 value. Press High Fan button(∧) to enter SEG17 value. SEG16 SEG17 Each time you press the button, … will be selected in rotation. 14.
- Page 34 Setting an indoor unit address and installation option Setting an indoor unit address (MAIN/RMC) 1. Check whether power is supplied or not. f When the indoor unit is not plugged in, there should be additional power supply in the indoor unit. 2.
- Page 35 assign option codes except SEG 1, 7 which are page options. Setting an indoor unit installation option (suitable for the condition of each installation location) 1. Make sure power is ON to the outdoor unit. 2. The panel display should be connected to the indoor unit to receive option settings. 3.
- Page 36 Setting an indoor unit address and installation option Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Wireless controller Heating setting Explanation PAGE address compensation Indication Details Indication Details Indication Details 0 or 1 Indoor 1 Disuse RESERVED RESERVED RESERVED Setting/ Indoor 2 Details 2 °C Indoor 3...
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Page 37: Troubleshooting
Troubleshooting LED lamp display Operation Defrost Timer Filter Abnormal conditions Remarks Error of temperature sensor in the indoor unit (Open/Short) Error of EVA IN, OUT sensor in the indoor unit(Open/ Short) Error of fan motor in the indoor unit Error of outdoor sensor (outdoor temp./cond/discharge) No communication for 2 minutes between indoor and outdoor unit... - Page 38 Troubleshooting 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. Display Explanation Remark Compressor down due to protection control of the discharge temperature sensor Control due to the condenser temperature sensor when cooling mode...
- Page 39 English...
- Page 40 1800-22-8899 (HHP) MALAYSIA 1800-88-9999 (OTH) www.samsung.com/my/support +603-7713 7420 (Overseas contact) 1800 588 889 (OTH) VIETNAM www.samsung.com/vn/support 1800-588-855 (HHP) SOUTH AFRICA 0860 SAMSUNG (726 7864) www.samsung.com/za/support NAMIBIA 08 197 267 864 www.samsung.com/africa_en/support ZAMBIA 0211 350 370 www.samsung.com/africa_en/support MAURITIUS 800 2550 www.samsung.com/africa_en/support...