Air conditioner Installation manual AC***RN*DKG ŷ Thank you for purchasing this Samsung air conditioner. ŷ Before operating this unit, please read this manual carefully and retain it for future reference. Contents Safety Information 3 Safety Information 3 Installation Procedure 6 Step 1 Checking and preparing accessories 6 Step 2 Choosing the installation location 7 Step 3 Optional: Insulating the body of the indoor unit 11 Step 4 Installing the indoor unit 12 Step 5 Purging inert gas from the indoor unit 13 Step 6 Cutting and flaring the pipes 14 Step 7 Connecting the assembly pipes to the refrigerant pipes 14 Step 8 Performing the gas leak test 15 Step 9 Insulating the refrigerant pipes 15 Step 10 Installing the drain hose and drain pipe 17 Step 11 Performing the drainage test 18 Step 12 Optional: Installing DPM (Digital Packaged Multi) 19 Step 13 Connecting the power and communication cables 19 Step 14 Optional: Extending the power cable 21 Step 15 Setting the indoor unit addresses and the installation options 22 Appendix 34 Troubleshooting 34 2 English Safety Information WARNING ŷ Hazards or unsafe practices that may result in severe personal injury or death. CAUTION ŷ Carefully follow the precautions listed below because they are essential to guarantee the safety of the equipment. WARNING ŷ Always disconnect the air conditioner from the power supply before servicing it or accessing its internal components. ŷ Verify that installation and testing operations are performed by qualified personnel. ŷ Verify that the air conditioner is not installed in an easily accessible area. General information WARNING ŷ Carefully read the content of this manual before installing the air conditioner and store the manual in a safe place in order to be able to use it as reference after installation. ŷ For maximum safety, installers should always carefully read the following warnings. ŷ Store the operation and installation manual in a safe location and remember to hand it over to the new owner if the air conditioner is sold or transferred. ŷ 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. ŷ Do not use the units if damaged. If problems occur, switch the unit off and disconnect it from the power supply. ŷ In order to prevent electric shocks, fires or injuries, always stop the unit, disable the protection switch and contact SAMSUNG’s technical support if the unit produces smoke, if the power cable is hot or damaged or if the unit is very noisy. ŷ Always remember to inspect the unit, electric connections, refrigerant tubes and protections regularly. These operations should be performed by qualified personnel only. ŷ The unit contains moving parts, which should always be kept out of the reach of children. ŷ Do not attempt to repair, move, alter or reinstall the unit. If performed by unauthorized personnel, these operations may cause electric shocks or fires. ŷ Do not place containers with liquids or other objects on the unit. ŷ All the materials used for the manufacture and packaging of the air conditioner are recyclable. ŷ The packing material and exhaust batteries of the remote controller(optional) must be disposed of in accordance with current laws. ŷ The air conditioner contains a refrigerant that has to be disposed of as special waste. At the end of its life cycle, the air conditioner must be disposed of in authorised centres or returned to the retailer so that it can be disposed of correctly and safely. ŷ Do not use means to accelerate the defrost operation or to clean, other than those recommended by Samsung. ŷ Do not pierce or burn. ŷ Be aware that refrigerants may not contain an odour. ŷ The manufacturer shall not be responsible for damage originating from unauthorized changes or the improper connection of electric and requirements set forth in the “Operating limits” table, included in the manual, shall immediately invalidate the warranty. English 3 Safety Information ŷ Hazards or unsafe practices that may result in minor personal injury or property damage. ŷ The air conditioner should be used only for the applications for which it has been designed: the indoor unit is not suitable to be installed in areas used for laundry. Safety Information Installing the unit WARNING Safety Information IMPORTANT: When installing the unit, always remember to connect first the refrigerant tubes, then the electrical lines. Do not install the air conditioner in following places. ŷ Place where there is mineral oil or arsenic acid. Resin parts flame and the accessories may drop or water may leak. The capacity of the heat exchanger may reduce or the air conditioner may be out of order. ŷ The place where corrosive gas such as sulphuric acid gas generates from the vent pipe or air outlet. ŷ Always disassemble the electric lines before the refrigerant tubes. ŷ The copper pipe or connection pipe may corrode and refrigerant may leak. ŷ 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.) ŷ The place where there is a machine that generates electromagnetic waves. The air conditioner may not operate normally due to control system. ŷ After completing the installation, always carry out a functional test and provide the instructions on how to operate the air conditioner to the user. ŷ Do not use the air conditioner in environments with hazardous substances or close to equipment that release free flames to avoid the occurrence of fires, explosions or injuries. ŷ Do not install the product in a place where thermohygrostat is needed (such as server room, machinery room, computer room, etc.). Those places do not provide guaranteed operation condition of the product therefore performance can be poor in these places. ŷ Do not install the product in a ship or a vehicle (such as a campervan). Salt, vibration or other environmental factor may cause the product malfunction, electric shock or fire. ŷ 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. For this reason, when provisions of the installation manual are not complied with, the cost required to access and repair the units (in SAFETY CONDITIONS, as set out in prevailing regulations) with harnesses, ladders, scaffolding or any other elevation system will NOT be considered part of the warranty and will be charged to the end customer. 4 English ŷ The place where there is a danger of existing combustible gas, carbon fibre or flammable dust. ŷ The place where thinner or gasoline is handled. Gas may leak and it may cause fire. Power supply line, fuse or circuit breaker WARNING ŷ Always make sure that the power supply is compliant with current safety standards. Always install the air conditioner in compliance with current local safety standards. ŷ Always verify that a suitable grounding connection is available. ŷ Verify that the voltage and frequency of the power supply comply with the specifications and that the installed power is sufficient to ensure the operation of any other domestic appliance connected to the same electric lines. ŷ Always verify that the cut-off and protection switches are suitably dimensioned. ŷ Verify that the air conditioner is connected to the power supply in accordance with the instructions provided in the wiring diagram included in the manual. ŷ Always verify that electric connections (cable entry, section of leads, protections…) are compliant with the electric specifications and with the instructions provided in the wiring scheme. Always verify that all connections comply with the standards applicable to the installation of air conditioners. Safety Information ŷ Devices disconnected from the power supply should be completely disconnected in the condition of overvoltage category. ŷ Be sure not to perform power cable modification, extension wiring, and multiple wire connection. – It may cause electric shock or fire due to poor connection, poor insulation, or current limit override. – When extension wiring is required due to power line damage, refer to Step 14 Optional: Extending the power cable in the installation manual. CAUTION Make sure that you earth the cables. ŷ 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. ŷ If the circuit breaker is not installed, electric shock or fire may occur. Make sure that the condensed water dripping from the drain hose runs out properly and safely. Install the power cable and communication cable of the indoor and outdoor unit at least 1m away from the electric appliance. Install the indoor unit away from lighting apparatus using the ballast. ŷ If you use the wireless remote control, reception error may occur due to the ballast of the lighting apparatus. English 5 Installation Procedure Step 1 Checking and preparing accessories 4 way Cassette 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) Pattern sheet B (1) Insulation pipe (2) Insulation drain (1) Rubber Installation manual (1) Cable-tie (3) Installation gauge (1) Installation Procedure Flexible hose (1) User manual (1) 6 English (Liquid side1, gas side1) Insultaion drain hose (1) Installation manual (1) User manual (1) Cable-tie (6) Clamp (1) Step 2 Choosing the installation location Installation location requirements ŷ There must be no obstacles near the air inlet and outlet. ŷ Install the indoor unit on a ceiling that can support its weight. ŷ Maintain sufficient clearance around the indoor unit. ŷ Before installing the indoor unit, be sure to check whether the chosen location is well-drained. ŷ The indoor unit must be installed such that it is beyond public access and is not touchable by users. ŷ The place where animals may urinate on the product. Ammonia may be generated. ŷ The place where is close to heat sources ŷ Do not use the indoor unit for preservation of food items, plants, equipment, and art works. This may cause deterioration of their quality. WARNING ŷ Because your air conditioner contains R-32 refrigerant, make sure that it is installed, operated, and stored it in a room whose floor area is larger than the minimum required floor area specified in the following table: m (kg) Ceiling-mounted type (A, m²) ≤ 1.842 No requirement 1.843 3.64 1.9 3.75 2.0 3.95 2.2 4.34 2.4 4.74 2.6 5.13 2.8 5.53 3.0 5.92 3.2 6.48 3.4 7.32 3.6 8.20 3.8 9.14 Ceiling-mounted type (A, m²) 4.0 10.1 4.2 11.2 4.4 12.3 4.6 13.4 4.8 14.6 5.0 15.8 5.2 17.1 – m : Total refrigerant charge in the system – A : Minimum required floor area ŷ IMPORTANT: it’s mandatory to consider either the table above or taking into consideration the local law regarding the minimum living space of the premises. ŷ Minimum installation height of indoor unit is 0.6 m for floor mounted, 1.8 m for wall, 2.2 m for ceiling. CAUTION ŷ As a rule, the unit cannot be installed at a height of less that 2.5 m. ŷ If you install the cassette or duct type indoor unit on the ceiling with humidity over 80%, you must apply extra 10 mm of polyethylene foam or other insulation with similar material on the body of the indoor unit. English 7 Installation Procedure ŷ Do not install the indoor unit if it has any drainage problem. m (kg) Installation Procedure Indoor unit dimensions (Unit: mm) 1 way Cassette 1150 (Ceiling opening dimension) 440 (Ceiling opening dimension) 249 (Space of suspension bolts) 1036 (Space of suspension bolts) 410 B 34 80 A Installation Procedure 145 970 Ceiling 50 AC026RN1DKG / AC035RN1DKG Model Small Chassis 130 A mm B mm 179 Net dimension (W × D × H) mm 970 x 410 x 135 Net weight kg 9.2 Liquid pipe connection mm 6.35 Gas pipe connection mm 9.52 Drain hose connection mm outer diameter : 26, inner diameter : 20 8 English 46 500 77 22 1198 (Unit: mm) 4 way Cassette 890~910 (Ceiling opening) 950 890~910 (Ceiling opening) 950 735 (Space of suspension bolts) 735 (Space of suspension bolts) 370 840 60 55 41 71 133 186 240 B C 101 120 55 166 330 237 351 302 The sub duct hole is not applicable to the Wind-Free models. AC052RN4DKG Model AC071RN4DKG AC100RN4DKG Small Chassis AC120RN4DKG Large Large+ A mm 215 238 B mm 105 127 C mm 196 222 Net dimension (W × D × H) AC140RN4DKG mm 840 x 840 x 204 840 x 840 x 204 840 x 840 x 288 840 x 840 x 288 840 x 840 x 288 Net weight kg 15 15 18 18 20 Liquid pipe connection mm 6.35 6.35 9.52 9.52 9.52 Gas pipe connection mm 12.7 15.88 15.88 15.88 15.88 Drain hose connection mm outer diameter : 32, inner diameter : 26.5 English 9 Installation Procedure A 185 92 Installation Procedure 4 way Cassette Spacing requirements C A 1500 mm or more C C B 2500 mm or more 20 mm C Obstruction Model AC026RN1DKG AC035RN1DKG C: 1500 mm or more AC052RN4DKG AC071RN4DKG AC100RN4DKG AC120RN4DKG AC140RN4DKG A 170 mm 251 mm 355 mm B 15 mm 17 mm 17 mm Installation Procedure (Unit: mm) C ŷ Do not hold the discharge while carrying the indoor unit to avoid the possibility of breakage. C C 10 English ŷ For the product that uses the R-32 refrigerant, Install the indoor unit on the wall 1.8 m or higher from the floor. ŷ The indoor unit must be installed according to the specified distances in order to permit accessibility from each side, to guarantee correct operation, maintenance, and repair of the unit. The components of the indoor unit must be reachable and removable under safe conditions for people and the unit. 1 way Cassette C: 1500 mm or more CAUTION ŷ Comply with the length and height limits described in the figure above. C ŷ You must hold the hanger plate on the corner and carry the indoor unit. Step 3 Optional: Insulating the body of the indoor unit If you install a cassette type indoor unit on the ceiling when temperature is over 27°C and humidity is over 80%, you must apply an extra 10 mm thick polyethylene insulation or a similar type of insulation to the body of the indoor unit. Cut away the part where pipes are pulled out for the insulating work. 1 way Cassette 4 way Cassette D D E B B A A E C C Insulate the end of the pipe and some curved area by using separate insulator. ŷ 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.) (Unit: mm) Indoor unit 4 way Cassette <S> (840x204x840) 4 way Cassette <L> (840x288x840) 4 way Cassette <L+> (840x288x840) 1 way Cassette (970x135x410) A B C D E 910x151 940x151 610x151 650x151 870x870 910x235 940x235 610x235 650x235 870x870 990x155 990x155 430x155 430x155 990x430 AC052RN4DKG AC071RN4DKG AC100RN4DKG AC120RN4DKG AC140RN4DKG AC026RN1DKG AC035RN1DKG English 11 Installation Procedure NOTE Installation Procedure Step 4 Installing the indoor unit CAUTION When deciding on the location of the air conditioner the following restrictions must be taken into account. 1 Place the pattern sheet on the ceiling at the spot where you want to install the indoor unit. ŷ Make sure that the ceiling is strong enough to support the weight of the indoor unit. Before hanging the unit, test the strength of each attached suspension bolt. ŷ If the length of the suspension bolt is more than 1.5 m, you are required to prevent vibration. 4 Screw eight pairs of nuts and washers to the suspension bolts, making space for hanging the indoor unit. CAUTION ŷ You must install all of the suspension rods. NOTE Installation Procedure ŷ Since the diagram is made of paper, it may shrink or stretch slightly due to temperature or humidity. For this reason, before drilling the holes, be sure to maintain the correct dimensions between the markings. 2 Insert bolt anchors, use existing ceiling supports or construct a suitable support as shown in figure. ŷ It is important to leave sufficient space in the false ceiling to allow access for maintenance or repairs to the drainage pipe connection, the refrigerant pipe connection, or to remove the unit if necessary. 5 Hang the indoor unit to the suspension bolts between two nuts. Cut a pad stopper and place it on the suspension bolts to hold the washers. Remove the stopper and screw the nuts to fix the unit. Pad stopper Concrete Hole in anchor Hole in plug Insert Bracket 6 Check the level of the indoor unit by using a leveler. Suspension bolt (M8) - field supply ŷ A tilt of the indoor unit may cause malfunction of a built-in float switch and water leaks. 3 Install the suspension bolts, depending on the ceiling type. Ceiling support Level 12 English 7 Adjust the unit to the appropriate position, taking into account the installation area for the front panel. ŷ Place the pattern sheet on the indoor unit. ŷ Adjust the space between the ceiling and the indoor unit by using a dimension gauge. ŷ Fix the indoor unit securely after adjusting the level of the unit by using a leveller. ŷ Remove the pattern sheet, connect the other cables. and install the front panel. Step 5 Purging inert gas from the indoor unit The indoor unit comes with nitrogen gas (inert gas) charged at the factory. Therefore, all inert gas must be purged before connecting the assembly piping. Unscrew the pinch pipe at the end of each refrigerant pipe. 1 way Cassette 1way Cassette (Standard) Insulator Ceiling Ceiling Liquid side Gauge of dimensions 15 mm <Side view> 15 mm Installation Procedure 1way Cassette (Wind-Free) Gas side 4 way Cassette Ceiling Ceiling Insulator Liquid side Gauge of dimensions 10 mm <Side view> 10 mm Gas side 4 way Cassette NOTE 20 mm Indoor unit Ceiling 17 mm Gauge of dimensions ŷ To prevent dirt or foreign objects from getting into the pipes during installation, do not remove the pinch pipe completely until you are ready to connect the piping. English 13 Installation Procedure Step 6 Cutting and flaring the pipes 5 Check that the flaring is correct, referring to the illustrations below for examples of incorrect flaring. 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 them with a pipe cutter, ensuring that the cut edge remains at a 90° angle to the side of the pipe. Refer to the illustrations below for examples of edges cut correctly and incorrectly. Pipe cutter Correct Inclined Damaged Surface Cracked Uneven Thickness 9 90° 90 Step 7 Connecting the assembly pipes to the refrigerant pipes Pipe Oblique Rough Burr 4 Slide a flare nut on to the pipe and modify the flare. A 45° ± 2° D 90° ±2° Installation Procedure 3 To prevent any gas from leaking out, remove all burrs at the cut edge of the pipe, using a reamer. ŷ A smaller one for the liquid refrigerant. ŷ A larger one for the gas refrigerant. The inside of copper pipe must be clean and has no dust. 1 Remove the pinch pipe on the pipes and connect the assembly pipes to each pipe, tightening the nuts, first manually and then with a torque wrench, a spanner applying the following torque. D L Pipe R 0.4 to 0.8 mm There are two refrigerant pipes of different diameters : Flare Flare Outer Diameter (D) Depth (A) Flare dimension (L) Ø6.35 mm 1.3 mm 8.7 to 9.1 mm Ø9.52 mm 1.8 mm 12.8 to 13.2 mm Ø12.70 mm 2.0 mm 16.2 to 16.6 mm Ø15.88 mm 2.2 mm 19.3 to 19.7 mm Ø19.05 mm 2.2 mm 23.6 to 24.0 mm Spanner Union 14 English Torque wrench Flare nut Outer Diameter (mm) 7RUTXH 1ŷP 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 1ŷP NJIŷFP NOTE Step 8 Performing the gas leak test To identify potential gas leaks on the indoor unit, inspect the connection area of each refrigerant pipe using a leak detector for R-410A. Before recreating the vacuum and recirculating the refrigerant gas, pressurize the whole system with nitrogen (using a cylinder with a pressure reducer) at a pressure above 4 MPa in order to immediately detect leaks on the refrigerant fittings. Made vacuum for 15 minutes and pressurizing system with nitrogen. 1 way Cassette ŷ If the pipes must be shortened, see Step 6 Cutting and flaring the pipes on page 14. Insulator 2 Be sure to use an insulator thick enough to cover the refrigerant tube to protect the condensate water on the outside of the pipe falling onto the floor and to improve the efficiency of the unit. Liquid side Installation Procedure 3 Cut off any excess foam insulation. Gas side 4 Make sure that there are no cracks or waves on the bent area. 5 It would be necessary to double the insulation thickness (10 mm or more) to prevent condensation even on the insulator when if the installed area is warm and humid. 4 way Cassette Insulator Liquid side CAUTION ŷ Connect the indoor and outdoor units using pipes with flared connections (not supplied). For the lines, use insulated, unwelded, degreased and deoxidized copper pipe (Cu DHP type to ISO 1337 or UNI EN 12735-1), suitable for operating pressures of at least 4.2 MPa and for a burst pressure of at least 20.7 MPa. Copper pipe for hydro-sanitary applications is completely unsuitable. ŷ For sizing and limits (height difference, line length, max. bends, refrigerant charge, etc.) see the outdoor unit installation manual. ŷ All refrigerant connection must be accessible, in order to permit either unit maintenance or removing it completely. Gas side Step 9 Insulating the refrigerant pipes Once you have checked that there are no leaks in the system, you can insulate the piping and hose. 1 To avoid condensation problems, place Acrylonitrile Butadien Rubber separately around each refrigerant pipe. No gap ŷ If the pipes require brazing, make sure that oxygen free nitrogen (OFN) is flowing through the system. ŷ Nitrogen blowing pressure range is 0.02 to 0.05 MPa. NBR English 15 Installation Procedure 5 Select the insulation of the refrigerant pipe. NOTE ŷ Always make the seam of pipes face upwards. 2 Wind insulating tape around the pipes and drain hose avoiding compressing the insulation too much. Insulation cover pipe Insulation pipe ŷ Insulate the gas side and liquid side pipe, noting the insulation thickness that must differ according to the pipe size. ŷ Standard: Less than an indoor temperature of 30°C, with humidity at 85%. If installing in a high humidity environment, use one grade thicker insulator by referring to the table below. If installing in an unfavourable environment, use thicker one. ŷ The heat-resistance temperature of the insulator must be more than 120°C. Indoor unit Insulation type (heating/cooling) Be sure to overlap the insulation. Pipe Pipe size (mm) Standard High humidity (Less than 30°C, 85%) (Over 30°C, 85%) CAUTION EPDM, NBR (mm) ŷ Be sure to wrap insulation tightly without any gaps. Installation Procedure 3 Finish wrapping insulating tape around the rest of the pipes leading to the outdoor unit. Liquid pipe 4 The pipes and electrical cables connecting the indoor unit with the outdoor unit must be fixed to the wall with suitable ducts. Ø6.35 to Ø9.52 9t 9t Ø12.7 to Ø19.05 13t 13t Ø6.35 13t 19t 19t 25t Ø9.52 Gas pipe CAUTION ŷ Make sure that all refrigerant connection must be accessible for easy maintenance and detachment. ŷ Install the insulation not to get wider and use the adhesives on the connection part of it to prevent moisture from entering. ŷ Wind the refrigerant pipe with insulation tape if it is exposed to outside sunlight. ŷ Install the refrigerant pipe respecting that the insulation does not get thinner on the bent part or hanger of pipe. ŷ Add the additional insulation if the insulation plate gets thinner. Remarks The internal temperature is higher than 120°C. Ø12.70 Ø15.88 Ø19.05 ŷ When installing insulation in the places and conditions below, use the same insulation that is used for high humidity conditions. <Geological condition> High humidity locations such as shorelines, hot springs, lake or riversides, and ridges (when part of the building is covered by earth and sand) <Operation purpose condition> Restaurant ceiling, sauna, swimming pool etc. Hanger Additional insulation <Building construction condition> a ax3 16 English Refrigerant pipe insulation Ceilings frequently exposed to moisture and cooling are not covered. For example, pipes installed at a corridor of a dormitory and studio or near an exit that opens and closes frequently. Places (where the pipes are installed) that are highly humid due to a lack of ventilation. Step 10 Installing the drain hose and drain pipe ŷ Install air ventilation to drain condensation smoothly. Air ventilation 1 Push the supplied drain hose as far as possible over the drain socket. 2 Tighten the metal clamp as shown in the picture. Ceiling ŷ If it is necessary to increase the height of the drain pipe, install the drain pipe straight within 300 mm from the drain hose port. If it is raised higher than 550 mm, there may be water leaks. 3 Wrap the supplied large sealing pad over the metal clamp and drain hose to insulate and fix it with clamps. 20 mm or more Drain hose Band joint 1/100 or more 5 Push the drain hose up to insulation when connecting the drain hose to drain socket. Metal clamp Drain socket 550 mm or less 300 mm or less Ceiling ŷ Do not give the hose an upward gradient beyond the connection port. This will cause water to flow backwards when the unit is stopped, resulting in water leaks. Drain hose Under gradient Drain pipe Large seailng pad Drain hose Be sure to bond the drain hose and the main pipe. PVC Tube Joint + VP25 (OD: 32 mm, ID: 25 mm) Drain pipe Ceiling ŷ Do not apply force to the piping on the unit side when connecting the drain hose. The hose should not be allowed to hang loose from its connection to the unit. Fasten the hose to a wall, frame or other support as close to the unit as possible. Support pieces 1 to 1.5 m 1/100 or more CAUTION Ceiling Check that the indoor unit is level with the ceiling by using the leveller. English 17 Installation Procedure 4 Insulate the complete drain piping inside the building (field supply). If the drain hose cannot be sufficiently set on a slope, fit the hose with drain raising piping (field supply). Installation Procedure ŷ Install horizontally. Water leakage check part Be horizontal Flexible hose Indoor unit Hose Flexible hose b After pouring some water, reassemble the rubber cap on the connection part of a flexible hose of the indoor unit and firmly tighten it with a band to prevent leakage. ŷ Max. allowable axis gap. c Check the leak test at the part where the adhesive for the flexible hose and the drain pipe is used. Indoor unit CAUTION Max. 20 mm ŷ The leak test must be performed for at least 24 hours. Installation Procedure 2 Check the condensed water drainage: ŷ Max. allowable bending angle. a Pour about 2 liters of water into the indoor unit drain pan as shown in the picture. 1 way Cassette Indoor unit Max. 30˚ NOTE ŷ If a concentrated drain pipe is installed, refer to the figure below. 4 way Cassette Air ventilation 100 mm or more Concentrated drain pipe 1/100 or more slope Step 11 Performing the drainage test 1 Do a leak test at the connection part of the flexible hose and the drain pipe: a Connect a general hose to the connection part of the flexible hose of the indoor unit, and pour in some water. 18 English b When the electric cable connection is completed ŷ Turn on the indoor unit and outdoor unit. ŷ Operate in the Cool mode. CAUTION ŷ Only in the Cool mode, you can check the correct operation of the drain pump. When the electric cable connection has not been completed ŷ Remove the control box cover of the indoor unit. ŷ Connect the power supply (220~240V, 50 Hz) to the L and N terminals. ŷ Reassemble the control box cover and turn on the indoor unit. ŷ If DPM model is not set, communication error may occur. ŷ While the outdoor unit is tracking the indoor unit for one minute after the power supply is turned on, the operation may stop if the remote control reception signal of the installed indoor unit is different. ŷ To enable Level control with the centralized controller, refer to page 31. CAUTION ŷ When installing DPM, only one external controller can be connected. CAUTION ŷ When the float switch is not detected due to insufficient water on the drain pan, the drain pump will not work. ŷ After completing the drainage check, turn the unit off and disconnect the power supply. ŷ Reassemble the control box cover. c Check whether the drain pump works correctly. d Check whether the drainage is performing correctly at the end of the drain pipe. e Check for leakage at the drain pipe and drain pipe connection part. f When leakage occurs, check whether the indoor unit is level and check the drain hose connection part, drainpipe connection part and drain pump connection. g When the drainage check is completed and the condensed water remains on the drain pan, remove the water. Step 12 Optional: Installing DPM (Digital Packaged Multi) NOTE Only AC052RN4DKG, AC071RN4DKG and AC035RN1DKG models are available to install DPM. ŷ When installing DPM, you should set "DPM setting" to the outdoor unit. ŷ You do not need to set the address manually for the indoor unit. CAUTION ŷ 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. ŷ For the product that uses the R-32 refrigerant, be cautious not to generate a spark by keeping the following requirements: – Do not remove the fuses with power on. – Do not disconnect the power plug from the wall outlet with power on. – It is recommended to locate the outlet in a high position. Place the cords so that they are not tangled. ŷ Always remember to connect the air conditioner to the grounding system before performing the electric connections. Use a crimp ring terminal at the end of each wire. The indoor unit is powered through the outdoor unit by means of a H07 RN-F connection cable (or a more power model), with insulation in synthetic rubber and a jacket in polychloroprene (neoprene), in accordance with the requirements specified in the standard EN 60335-2-40. 1 Remove the screw on the electrical component box and remove the cover plate. 2 Route the connection cord through the side of the indoor unit and connect the cable to the terminals refer to the figure below. 3 Route the other end of the cable to the outdoor unit through the ceiling & the hole on the wall. English 19 Installation Procedure ŷ If the power supply is directly connected to the L and N terminals, communication error message might appear. Step 13 Connecting the power and communication cables Installation Procedure 4 Reassemble the electrical component box cover, carefully tightening the screw. 1 phase Indoor power supply Power supply Max/Min(V) Indoor power cable 220 to 240V, 50 Hz ±10% 0.75 mm² ८, 3 wires Communication cable 0.75 mm², 2 wires Indoor Unit (Unit: mm) F2 F1 2(N) Communication: M3.5 screw AC power: M4 screw Outdoor Unit 7.5 12.6 9.8 N 9.0 19 1(L) 2(N) L 13.8 1(L) Cable Tie Cable clamp 7LJKWHQLQJWRUTXH NJIŷFP Installation Procedure Indoor Power Main power cable Communication cable M3.5 8.0 to 12.0 M4 12.0 to 18.0 ŷ 1yP NJIyFP ŷ Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord. (Code designation IEC:60245 IEC 57 / CENELEC: H05RN-F or IEC:60245 IEC 66 / CENELEC: H07RN-F) 3 phase 1(L) Indoor Unit ŷ Since it has the external power supply, refer to the outdoor unit installation manual for MAIN POWER. F2 F1 2(N) Outdoor Unit 1(L) 2(N) L1(R) L2(S) L3(T) N Cable Tie Indoor Power 20 English 3 Phase 4 Wires power cable (AC 380V) Cable clamp Communication cable CAUTION ŷ When installing the indoor unit in a computer room or network room, use the double shielded communication cable (tape aluminum / polyester braid + copper) of FROHH2R type. 3 Insert both sides of core wire of the power cable into the connection sleeve. Step 14 Optional: Extending the power cable ŷ Method 1: Push the core wire into the sleeve from both sides. 1 Prepare the following tools. Tools Spec Crimping pliers MH-14 ŷ Method 2: Twist the wire cores together and push it into the sleeve. Shape Method 1 Connection sleeve (mm) 20xØ6.5 (HxOD) Insulation tape Width 19 mm Contraction tube (mm) 70xØ8.0 (LxOD) Method 2 Connection sleeve Connection sleeve 4 Using a crimping tool, compress the two points and flip it over and compress another two points in the same location. 2 As shown in the figure, peel off the shields from the rubber and wire of the power cable. ŷ The compression dimension should be 8.0. Compression dimension CAUTION ŷ For information about the power cable specifications for indoor and outdoor units, refer to the installation manual. ŷ After peeling off cable wires from the pre-installed tube, insert a contraction tube. ŷ After compressing it, pull both sides of the wire to make sure it is firmly pressed. Method 1 Method 2 Compress it 4 times. Power cable 20 20 20 Compress it 4 times. 5 mm 60 5 mm 120 180 Pre-installed tube for the power cable 20 (Unit: mm) 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. (Unit: mm) Method 1 Method 2 Insulation tape 40 mm Insulation tape 35 mm English 21 Installation Procedure ŷ Peel off 20 mm of cable shields from the preinstalled tube. Installation Procedure 6 Apply heat to the contraction tube to contract it. Contraction tube Step 15 Setting the indoor unit addresses and the installation options You cannot set both of the indoor unit addresses and the installation options in a batch: set both of them respectively. 7 After tube contraction work is completed, wrap it with the insulation tape to finish. Common steps for setting the addresses and options Insulation tape AR-EH03E remote controls CAUTION Entering the mode for setting the options Setting the option values ŷ Make sure that the connection parts are not exposed to outside. Installation Procedure ŷ Be sure to use insulation tape and a contraction tube made of approved reinforced insulating materials that have the same level of withstand voltage with the power cable. (Comply with the local regulations on extensions.) Mode button High Temp button High Fan button Low Temp button Low Fan button WARNING ŷ In case of extending the electric wire, please DO NOT use a round-shaped Pressing socket. – Incomplete wire connections can cause electric shock or a fire. NOTE ŷ The remote control display and buttons may vary depending on the model. 1 Enter the mode for setting the options: a Remove the batteries from the remote control, and then insert them again. (High Temp) and b While holding down the (Low Temp) buttons simultaneously, insert the batteries into the remote control. c Make sure that you are entered to the mode for setting the options: 22 English 2 Set the option values. CAUTION ŷ The total number of available options are 24: SEG1 to SEG24. ŷ Because SEG1, SEG7, SEG13, and SEG19 are the page options used by the previous remote control models, the modes to set values for these options are skipped automatically. ŷ Set a 2-digit value for each option pair in the following order: SEG2 and SEG3 ĺ SEG4 and SEG5 ĺ SEG6 and SEG8 ĺ SEG9 and SEG10 ĺ SEG11 and SEG12 ĺ SEG14 and SEG15 ĺ SEG16 and SEG17 ĺ SEG18 and SEG20 ĺ SEG21 and SEG22 ĺ SEG23 and SEG24 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 0 X X X X X SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 1 X X X X X SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 2 X X X X X SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 3 X X X X X On (SEG1 to SEG12) Off (SEG13 to SEG24) Steps Remote control display 1 Set the SEG2 and SEG3 values: (Low Fan) button repeatedly until the a Set the SEG2 value by pressing 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 value you want to set appears on the remote control display. When you press the following order: 2 Press the (Low Fan) or (High Fan) button, values appear in the SEG3 (Mode) button. Cool and On appear on the remote control display. English 23 Installation Procedure Take the steps presented in the following table: Installation Procedure Steps Remote control display 3 Set the SEG4 and SEG5 values: (Low Fan) button repeatedly until the a Set the SEG4 value by pressing the value you want to set appears on the remote control display. SEG4 b Set the SEG5 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 following order: 4 Press the (Low Fan) or (High Fan) button, values appear in the SEG5 (Mode) button. Dry and On appear on the remote control display. 5 Set the SEG6 and SEG8 values: Installation Procedure (Low Fan) button repeatedly until the a Set the SEG6 value by pressing the value you want to set appears on the remote control display. SEG6 b Set the SEG8 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 following order: 6 Press the (Low Fan) or (High Fan) button, values appear in the SEG8 (Mode) button. Fan and On appear on the remote control display. 7 Set the SEG9 and SEG10 values: (Low Fan) button repeatedly until the a Set the SEG9 value by pressing the value you want to set appears on the remote control display. SEG9 b Set the SEG10 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 following order: 24 English (Low Fan) or (High Fan) button, values appear in the SEG10 Steps 8 Press the Remote control display (Mode) button. Heat and On appear on the remote control display. 9 Set the SEG11 and SEG12 values: (Low Fan) button repeatedly until the a Set the SEG11 value by pressing the value you want to set appears on the remote control display. SEG11 b Set the SEG12 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 following order: (High Fan) button, values appear in the SEG12 Installation Procedure 10 Press the (Low Fan) or (Mode) button. Auto and Off appear on the remote control display. 11 Set the SEG14 and SEG15 values: (Low Fan) button repeatedly until the a Set the SEG14 value by pressing the value you want to set appears on the remote control display. SEG14 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 following order: 12 Press the (Low Fan) or (High Fan) button, values appear in the SEG15 (Mode) button. Cool and Off appear on the remote control display. 13 Set the SEG16 and SEG17 values: (Low Fan) button repeatedly until the a Set the SEG16 value by pressing the value you want to set appears on the remote control display. SEG16 English 25 Installation Procedure Steps Remote control display b Set the SEG17 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 following order: 14 Press the (Low Fan) or (High Fan) button, values appear in the SEG17 (Mode) button. Dry and Off appear on the remote control display. 15 Set the SEG18 and SEG20 values: (Low Fan) button repeatedly until the a Set the SEG18 value by pressing the value you want to set appears on the remote control display. SEG18 Installation Procedure b Set the SEG20 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 following order: 16 Press the (Low Fan) or (High Fan) button, values appear in the SEG20 (Mode) button. Fan and Off appear on the remote control display. 17 Set the SEG21 and SEG22 values: (Low Fan) button repeatedly until the a Set the SEG21 value by pressing 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. When you press the following order: 18 Press the 26 English (Low Fan) or (High Fan) button, values appear in the (Mode) button. Heat and Off appear on the remote control display. SEG22 Steps Remote control display 19 Set the SEG23 and SEG24 values: (Low Fan) button repeatedly until the a Set the SEG23 value by pressing the value you want to set appears on the remote control display. SEG23 b Set the SEG24 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 following order: (Low Fan) or (High Fan) button, values appear in the SEG24 3 Check whether the option values that you have set are correct by pressing the [SEG4, SEG5] [SEG6, SEG8] [SEG14, SEG15] [SEG16, SEG17] 7 [SEG18, SEG20] 0 [SEG9, SEG10] 0 [SEG11, SEG12] [SEG21, SEG22] [SEG23, SEG24] 4 4 Save the option values into the indoor unit: Point the remote control to the remote control sensor on the indoor unit and then press the (Power) button on the remote control twice. Make sure that this command is received by the indoor unit. When it is successfully (Power) received, you can hear a short sound from the indoor unit. If the command is not received, press the button again. 5 Check whether the air conditioner operates in accordance with the option values you have set: a Reset the indoor or outdoor unit. ŷ Indoor unit : Press the seconds. (Set) and (Low Fan) buttons on the remote control simultaneously for 4 ŷ Outdoor unit : Press the K3 button. b Remove the batteries from the remote control, insert them again, and then press the remote control. (Power) button on the English 27 Installation Procedure [SEG2, SEG3] (Mode) button repeatedly Installation Procedure Setting the indoor unit addresses Option No. for an indoor unit address: 0AXXXX-1XXXXX-2XXXXX-3XXXXX 1(L) 2(N) 1 Make sure that the power is supplied to the indoor unit. If the indoor unit is not plugged in, it must include a power supply. Indoor Unit F1 F2 V1 V2 F3 F4 Before installing an indoor unit, be sure to set an address for the indoor unit by taking the following steps: 2 Set an address for each indoor unit using the remote control, according to your air conditioning system plan, by referring to the following table and by following the steps in Common steps for setting the addresses and options on page 22. ŷ The indoor unit addresses (main and RMC addresses) are set to 0A0000-100000-200000-300000 by default. Installation Procedure ŷ If indoor units and outdoor units match 1:1, you don’t need to set the main address because it is automatically set by the outdoor unit. ŷ If you are using on or off controller, set RMC address. Option Function SEG1 Page Indication Indication and details SEG7 Function Page Indication Indication and details Mode Details 0 Option SEG2 Indication Details SEG3 SEG4 Setting main address Indication Details 0 No main address 1 Main address setting mode A SEG8 SEG9 Indication Reserved SEG10 Details 0 No RMC address 1 RMC address setting mode 1 SEG6 Indoor unit number Indication Details 0 to 1 Tens digit Indication Details Reserved Setting RMC address Details SEG5 Indoor unit number 0 to 9 Units digit SEG11 SEG12 Group channel (x16) Group address Indication Details RMC1 0 to 2 Indication Details Reserved RMC2 0 to F CAUTION ŷ The main address must be set to a value in the range 0 to 15. If you set other values, communication error will occur. ŷ 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. ŷ If SEG3 is set to 0, the indoor unit maintains the existing main address even if SEG6 is set to a new value. ŷ If SEG9 is set 0, the indoor unit maintains the existing RMC address even if SEG11 and SEG12 are set to new values. 28 English Setting the installation options in a batch 1(L) 2(N) 1 Make sure that the power is supplied to the indoor unit. If the indoor unit is not plugged in, it must include a power supply. Indoor Unit F1 F2 V1 V2 F3 F4 Option No. for an indoor unit address: 02XXXX-1XXXXX-2XXXXX-3XXXXX 2 Set the installation options of indoor units, by referring to the following table and by following the steps in Common steps for setting the addresses and options on page 22. ŷ The installation options of indoor units are set to 020000-100000-200000-300000 by default. ŷ The SEG20 option, Individual control with remote control, allows you to control multiple indoor units individually by using the remote control. Function SEG1 SEG2 Page Indication Details SEG3 Mode Indication Details SEG4 SEG5 SEG6 Use of external temperature sensor Use of central control Compensation of the fan RPM Indication Details Indication Details Indication Details 0 Disuse 0 Disuse 0 Disuse (recessed installation) 1 Use 1 Use 1 RPM compensation Reserved Indication and details 0 2 Option SEG7 SEG8 Function Page Use of drain pump Indication Indication and details Details SEG9 Indication Details 0 Disuse 1 Use 2 Use with 3 minute delay SEG10 SEG11 SEG12 Dew removal operation in Wind-free mode Reserved Reserved Reserved Indication Details 0 Maintain blade status in WindFree mode 1 (Default) Cooling operation by opening the blade 1 English 29 Installation Procedure Option Installation Procedure Option Function SEG13 Page Indication Indication and details Details 2 SEG14 SEG15 SEG16 SEG17 SEG18 Use of external control Setting the output of external control S-Plasma ion Buzzer control Maximum filter usage time Indication Details 0 Disuse 1 On/Off 2 Off 3 Window 4 Disuse 5 On/Off 6 Off 7 Window Installation Procedure 8 Disuse 9 On/Off A Off B Window C Disuse D On/Off E Off F Window Indication Details Indication Details Indication Details Indication Details 0 Thermo on 0 Disuse 0 Use of buzzer 2 1000 hours 1 Operation on 1 Use 1 Disuse of buzzer 6 2000 hours Slave, Existing Control Master, Existing Control Slave, Existing Control Master, Existing Control Option SEG19 SEG20 SEG21 Function Page Individual control with remote control Heating setting compensation Indication Indication and details 30 English 3 Details SEG22 SEG23 SEG24 Cycle time of Swing Indication Details Indication Details Indication Details 0 or 1 Indoor 1 0 Default 0 34 seconds (default) 2 Indoor 2 3 Indoor 3 4 Indoor 4 Reserved Reserved 1 2°C 1 30 seconds 2 5°C 2 38 seconds ŷ 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). ŷ 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). ŷ If you set the Individual control with remote control (SEG20) option to a value other than 0 to 4, it is automatically set to 0 (Indoor 1). ŷ Default value of Heating setting compensation (SEG21) is 5°C for 360 cassette model. Example: When installing DPM (1 Outdoor unit with 4 indoor units) Condition External control SEG14 Setting Level control Indoor 1 Indoor 2 Default Indoor 3 Result Indoor 4 Not set (0) Slave (All) Disuse Use 4 Not set (0) Not set (0) Not set (0) Master (Indoor 1), Slave (Indoor 2,3,4) Use (Indoor 3) Disuse Not set (0) Not set (0) 1~3 Not set (0) Slave (All) Use (Indoor 4) Use Not set (0) Not set (0) Not set (0) 5~7 Master (Indoor 4), Slave (Indoor 1,2,3) When you want to change the value of a specific option, refer to the following table and follow the steps in Common steps for setting the addresses and options on page 22. Option Function Indication and details SEG1 Page Indication Details 0 SEG2 Mode Indication Details D SEG3 SEG4 SEG5 SEG6 Option mode to change Tens position of the option number Units position of the option number New value Indication Details Indication Details Indication Details Indication Details Option type 0 to F Tens position value 0 to 9 Units position value 0 to 9 New value 0 to F Example: Changing the Buzzer control (SEG17) option of the installation options to 1 disuse. Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Function Page Mode Option mode to change Tens position of the option number Units position of the option number New value Indication 0 D 2 1 7 1 English 31 Installation Procedure Changing the addresses and options individually Installation Procedure Emergency Temperature Output (ETO) function CAUTION ŷ In order to deploy the ETO function, the MIM-B14, an external contact interface module, must be installed in each indoor unit. – The ETO is a concept of emergency operation of indoor units. If the indoor unit 1 (main indoor unit) stops because of an error, the indoor unit 2 (sub indoor unit) starts to operate. – Basically, the indoor unit 2 operates in the previous mode. [For the first time operation, it starts in 24 °C Auto mode.] – To set more detailed operation conditions for the indoor unit 2, use the S-net Pro. Setting up the ETO Error output port (1, 2) Main indoor unit Installation Procedure Communication between indoor and outdoor units (F1 and F2) External contact interface module MIM-B14 Contact input port (5, 6) Sub indoor unit 1 Main indoor unit – Disable the external contact control (Default). – Connect the S-net pro2 to F1 and F2. – Enable the ETO function and set the temperature and time. 2 Sub indoor unit – (Required) Enable the external contact control (with the installation option SEG14 - Reverse Control). – Connect the S-net pro2 to F1 and F2. – Enable the entrance control and set the mode, set temperature, and fan speed. [Master] 32 English [Slave] ETO operation specifications 1 Main indoor unit – Based on the external contact control settings, the main indoor unit decides whether to generate output when an error (indoor unit stop) occurs. – Based on the ETO settings, the main indoor unit decides whether to generate output according to the temperature and time conditions. 2 Sub indoor unit – Based on the entrance control settings, the sub indoor unit decides the mode, set temperature, and fan speed when contact inputs are given. Enable of ETO Main indoor unit Enable of external contact Error port output X X N/A X O Output due to an error O X Output by ETO entrance conditions (temperature / time / error occurrence) O O Output by ETO entrance conditions (temperature / time / error occurrence) Enable of entrance control Sub indoor unit Enable of external contact Operation when outputting Main X X N/A X O On with the previous operation conditions O O On with the entrance control enabled English 33 Installation Procedure K Ready to control the main contact input Troubleshooting 1 way Cassette LED lamp display Abnormal conditions Operation Defrost Blue Yellow Power reset Error of temperature sensor in the indoor unit (Open/ Short) Timer Fan Filter reset X X X X X X X X X X X Error of heat exchanger sensor in the indoor unit Remarks Error of the outdoor temperature sensor X Error of the condensor temperature sensor X X Error of the discharge temperature sensor 1. No communication for 2 minutes between indoor units (Communication error for more than 2 minutes) 2. Indoor unit receiving the communication error from outdoor unit 3. Outdoor unit tracking 3 minutes error X X X X X X X X X X X 4. When sending the communication error from the outdoor unit, the mismatching of the communication numbers and installed numbers after completion of tracking. (Communication error for more than 2 minutes 1. Error of electronic expansion valve open 2. 2’nd detection of high temperature cond 3. 2’nd detection of high temperature discharge 4. Error of reverse phase 5. Compressor down due to 6th detection of freezing Detection of the float switch Appendix EEPROM error EEPROM option error Error on indoor fan motor (E154) Outdoor valve clogging error Error due to connecting outdoor units that do not support the Wind-Free function : On, X X X : Flickering, X : Off ŷ If you turn off the air conditioner when the LED is flickering, the LED is also turned off. 34 English X X 1. Indoor unit error (Display is unrelated with operation) 2. Outdoor unit error (Display is unrelated with operation 4 way Cassette LED lamp display Abnormal conditions Operation Power reset Error of temperature sensor in the indoor unit (Open/ Short) Defrost Timer Filter X X X X X X X X Error of heat exchanger sensor in the indoor unit (Open/Short) Error of fan motor in the indoor unit X X X X X Remarks Error of the outdoor temperature sensor Error of the condensor temperature sensor Error of the discharge temperature sensor No communication for 2 minutes between indoor and outdoor unit (communication error for more than 2 minutes) Error of outdoor unit Error of the terminal block thermal fuse (Open) Detection of the float switch X X X X X EEPROM ERROR EEPROM option error Outdoor valve clogging error X MDS (Motion Detecting Sensor) Error X Error due to connecting outdoor units that do not support the Wind-Free function : On, X X : Flickering, X : Off Appendix ŷ If you turn off the air conditioner when the LED is flickering, the LED is also turned off. English 35 This appliance is filled with R-32.
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