Samsung NS0184HREB User Manual
Contents
1. 3 Clean the Air filter with a vacuum cleaner or soft brush If dust is too heavy then rinse it with running water and dry it in a ventilated area e FT Vm E Z For best conditions repeat every two weeks e Ifthe Air filter dries in a confined or humid area odors may generate If it occurs re clean and dry it in a well ventilated area 4 Insert the Air filter back in its original position You will hear a click sound when the Air filter is properly placed 5 Close the front grille by pushing it upward 4 e The illustration shown above may differ from yours depending on your model After cleaning the filter press the Filter Reset button on the remote control for 2 seconds to reset the filler schedule Filter sign indicator will be on for cleaning time 12 Tropical HAC Cassette type IBIM DB98 33929A indd 12 e 2011 6 18 11 08 13 MAINTAINING YOUR AIR CONDITIONER If the air conditioner will not be used for an extended period of time dry the air conditioner to maintain it in best condition 1 Dry the air conditioner thoroughly by operating in Fan mode for 3 to 4 hours and disconnect the power plug There may be internal damage if moisture is left in components HSITDNI 2 Before using the air conditioner again dry the inner components of the air conditioner again by running in Fan mode for 3 to 4 hours This helps remove odors which may have generated from dampness2. On QO Flickering X Off Display is unre lated with opera tion Ifyou turn off the air conditioner when the LED is flickering the LED is also turned off 36 Tropical HAC Cassette type IBIM DB98 33929A indd 36 2011 6 18 11 08 18 Il LED Display T A m LED lamp display Abnormal conditions Operation Defrost Timer Airflow Filter Remarks O 7O O amp B 1 EVA sensor secession 2 Cond mid sensor secession 3 Refrigerant leak 4 Cond high temperature 6th detection 5 Discharge 6th detection 6 Comp down x x Q Q 7 6th detection of high temperature cond 8 6th detection of high temperature discharge 9 Compressor down due to 6th detection of freezing e e Detection of the float switch X X X oO Error of setting option switches for optional accessories x Q x Q EEPROM error 9 x o oO X EEPROM option error BS D 0 D Oo On Q Flickering X Off Ifyou turn off the air conditioner when the LED is flickering the LED is also turned off 37 Tropical HAC Cassette type IBIM DB98 33929A indd 37 e 2011 6 18 11 08 19 Troubleshooting Bl Wired remote controller TEST ifan error occurs ra displayed on the wired remote controller If you would like to see an error code press the Test button Display Explanation Remark IC Compressor down due to protection control of the discharge Error abou
3. Tropical HAC Cassette type IBIM DB98 33929A indd 1 2011 6 18 11 08 11 e Features of your new air conditioner Cool Summer Offer On those hot sweltering summer days and long restless nights there is no better escape from the heat than the cool comforts of home Your new air conditioner brings an end to exhausting hot summer days and lets you rest This summer beat the heat with your own air conditioner A Look for Everywhere The elegant and harmonious design gives priority to the esthetics of your space and complements any of your existing interior d cor With its soft color and rounded edge shape the new air conditioner adds class to any room Enjoy what your air conditioner offers both functionally and esthetically Compact and easy to use Cassette type Designed to be installed into most types of suspended ceiling the cassette type air conditioner is ideal for business and commercial accommodations Fresh cool warm air can be provided through the controllable 1 2 or 4 sides of the unit All functions of the air conditioner will be controlled easily via a remote control BUI For easy future reference write the model and serial Model number down You will find your model number on the jal bottom right side of the air conditioner Serial Tropical HAC Cassette type IBIM DB98 33929A indd 2 e 2011 6 18 11 08 11 Contents Safety Pr cautions 4 View
4. Periodical checks Refer to the following chart to maintain the air conditioner properly en Every 4 Oncea Type Description Monthly SENS year Clean the air filter 1 Clean the condensate drain pan 2 parol Thoroughly clean the heat exchanger 2 Clean the condensate drain pipe 2 e Replace the remote control batteries 1 e Clean the heat exchanger on the outside of the 3 e unit 2 Clean the heat exchanger on the inside of e the unit 2 Clean the electric components with jets of e air 2 Outdoor unit Verify that all the electric components are firmly e tightened 2 Clean the fan 2 e Verify that all the fan assembly is firmly e tightened 2 Clean the condensate drain pan 2 4 The checks and maintenance operations described are essential to guarantee the efficiency of the air conditioner The frequency of these operations varies according to the characteristics of the area the amount of dust etc 1 The described operations should be performed more frequently if the area of installation is very dusty 2 These operations must always be performed by qualified personnel For more detailed information see the Installation Manual Tropical HAC_Cassette type_IBIM_DB98 33929A indd 13 e 13 2011 6 18 11 08 13 e Cleaning and maintaining the air conditioner MAINTAINING YOUR AIR CONDITIONER Internal protections via the unit cont
5. ized controller You must set the SW04 and K2 switch when using the centralized controller When RMC address is set as 2 32 Tropical HAC Cassette type IBIM DB98 33929A indd 32 e 2011 6 18 11 08 17 e Additional functions PEZZA EH External room sensor Not use Use 0 Centralized controller Use i SS NC 1234 ae 3 K1 OFF Heating mode Setting temperature compensation value 0 C Thermo OFF Fan OFF cit 0 HSITDNI No Function K5 K6 K7 K8 Heating Current Temperature o o 1234 K9 K10 K11 K12 ON 5 a bol mamana aa we osa tremo opemenon SH 33 Tropical HAC Cassette type IBIM DB98 33929A indd 33 e 2011 6 18 11 08 17 e Installing the safety net amp air blocking kits Il Safety net Install the safety net after installing the connection cord and fixing electric component box cover For your safety you must install the safety net For details about installing the panel refer to the manual for the panel 1 Uncover the wrap of safety net 2 Fix the safety net to the electric component cover box with four screws as indicated N CAUTION The maintenance of this unit is normally done by qualified personnel as following a Commercial product So if manufacturer puts the recommendation to do by qualified personnel manufacturer can avoid supplying
6. degreased and deoxidized copper pipe Cu DHP type to ISO 1337 suitable for operating pressures of at least 4200kPa and for a burst pressure of at least 20700kPa Copper pipe for hydro sanitary applications is completely unsuitable For sizing and limits height difference line length max bends refrigerant charge etc see the outdoor unit installation manual All refrigerant connection must be accessible in order to permit either unit maintenance or removing it completely Tropical HAC Cassette type IBIM DB98 33929A indd 23 e 23 2011 6 18 11 08 15 Cutting flaring the pipes 1 Make sure that you prepared the required tools pipe cutter reamer flaring tool and pipe holder 2 Ifyou want to shorten the pipe cut it using a pipe cutter ensuring that the cut edge remains at 90 with the side of the pipe There are some examples of correctly and incorrectly cut edges below 90 Oblique Rough Burr 3 To prevent a gas leak remove all burrs at the cut edge of the pipe using a reamer 4 Slide a flare nut on to the pipe and modify the flare Outer diameter D Depth A 6 35 mm 1 4 1 3mm 9 52 mm 3 8 1 8mm 12 70 mm 1 2 2 0mm 15 88 mm 5 8 2 2mm D 19 05 mm 3 4 22mm 5 Checkifyou flared the pipe correctly There are some examples of incorrectly flared pipes below U X X X X Inclined Damaged Surface Cracked Uneven Thickness 6 Alignthe pipes and tighten the flare nu
7. Do not hook the power cord over a metal object place a heavy object on the power cord insert the power cord between objects or push the power cord into the space behind the appliance gt This may result in electric shock or fire FOR POWER SUPPLY Acaution e When not using the air conditioner for a long period of time or during a thunder lightning storm cut the power at the circuit breaker gt Failing to do so may result in electric shock or fire FOR USING WARNING Q If the appliance is flooded please contact your nearest service center gt Failing to do so may result in electric shock or fire If the appliance generates a strange noise a burning smell or smoke unplug the power plug immediately and contact your nearest service center gt Failing to do so may result in electric shock or fire In the event of a gas leak such as propane gas LP gas etc ventilate immediately without touching the power plug Do not touch the appliance or power cord b Do not use a ventilating fan b A spark may result in an explosion or fire To reinstall the air conditioner please contact your nearest service center b Failing to do so may result in problems with the product water leakage electric shock or fire b 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 gt Especially when you wish t
8. hand over the user amp installation manudl to the user for storage in a handy and safe place 35 Tropical HAC Cassette type IBIM DB98 33929A indd 35 e 2011 6 18 11 08 18 Troubleshooting Bl Detection of errors Ifan error occurs during the operation one or more LED flickers and the operation is stopped except the LED Ifyou re operate the air conditioner it operates normally at first then detect an error again LED Display on the receiver amp display unit Il LED Display LED lamp displa Abnormal conditions Operation Defrost Timer Airflow Filter Remarks x FI OOo NE Power reset Oo X X X X Error of temperature sensor i X X x X in the indoor unitt Open Short Q Error of heat exchanger sensor 9 X X Xx in the indoor unit Q Error of the outdoor temperature sensor amp Error of the condensor temperature sensor 9 x X 9 X Error of the discharge temperature sensor 1 No communication for 2 minutes between indoor units Communication error for more than 2 minutes 1 Indoor unit error Display is unre 2 Indoor unit receiving the a saka ed communication error from outdoor unit tion P 3 Outdoor unit tracking 3 minutes error x X Q Q x Sitio 4 When sending the communication error error from the outdoor unit the mismatching of the communication num bers and installed numbers after completion of tracking Communication error for more than 2 minutes
9. safety net and screws to fix it Cost reduction Put safety net as optional kit Il Air blocking kits 1 When installing the unit depending on the situation you can fill up the air outlet s with one or more air blocking kits not supplied Then install the insulation to block air completely 34 Tropical HAC Cassette type IBIM DB98 33929A indd 34 The electric component box cover ation 2011 6 18 11 08 18 Final check To complete the installation perform the following checks and tests to ensure that the air conditioner operates correctly m Check the following e Strength of the installation site n Tightness of pipe connection to detect gas leak Electric wiring connection Heat resistant insulation of the pipe Drainage Grounding conductor connection Correct operation follow the steps below Providing information for user After finishing the installation of the air conditioner you should explain the following to the user Refer to appropriate pages in the user amp installation manual e 1 Howto start and stop the air conditioner 2 Howto select the modes and functions 3 How to adjust the temperature and fan speed 4 Howto adjust the airflow direction 5 Howto set the timers 6 Howto clean and replace the filters When you complete the installation successfully
10. supply rating the indoor unit is protected stopped and the error mode indicates To protect the product from water and possible shock you should keep the power cable and the connection cord of the indoor and outdoor units in the iron pipe Connect the power cable to the auxiliary circuit breaker An all pole disconnection from the power supply must be incorporated in the fixed wiring 23mm You must keep the cable in a protection tube Keep distances of 50mm or more between power cable and communication cable Maximum length of power cables are decided within 1096 of power drop If it exceeds you must consider another power supplying method The circuit breaker ELCB or MCCB ELB should be considered more capacity if many indoor units are connected from one breaker Use round pressure terminal for connections to the power terminal block For wiring use the designated power cable and connect it firmly then secure to prevent outside pressure being exerted on the terminal board Use an appropriate screwdriver for tightening the terminal screws A screwdriver with a small head will strip the head and make proper tightening impossible Over tightening the terminal screws may break them See the table below for tightening torque for the terminal screws Tightening torque kgf cm M3 5 9 M4 12 0 14 7 31 Tropical HAC Cassette type IBIM DB98 33929A indd 31 e 2011 6 18 11 08 17 e Assigning address to ind
11. water is drained correctly outside End of drain hose 1 Installing the drain hose should be the shorter the better In order to discharge condensation water the drain hose should keep tilted Fix the drain hose with Cable Tie so that it will not separate rain the machine Thermal insulation p Hard joint Connect PVC drain hose Flexible end of the drain hose connects with the machine and hard end connects with PVC drain hose Both ends of the drain hose must be fixed by PVC adhe sive to prevent leakage Thermal insulation Connect to indoor unit REX PVC drain hose glue outside While connecting with glue don t block the 2 Insulate and fix the drain hose according to the figure hose Insert the drain hose to bottom of the outfall of water Steel ring of drain hose Fix with Cable Tie basin Joint of drain hose Drain hose Drain hose Lock steel ring of the drain hose according to the figure lt A Wind and wrap steel ring and drain hose fully with ther e lat L mal insulation sponge fix both ends of external layer 5 IL E with ribbon for thermal insulation 8 SKE After being installed drain hose must be insulated fully Bonding treatment by heat insulating material To be provided at site Wrap thermal sleeve While using draining pump insulate the drain hose w
12. amp Fan indicator Timer indicator Removing frost indicator Power indicator Remote control sensor Power button g Your air conditioner may slightly look different from illustration shown above depending on P your model 8 Tropical HAC Cassette type IBIM DB98 33929A indd 8 e 2011 6 18 11 08 12 e Using your air conditioner TIPS ON USING AIR CONDITIONER Here are some tips that you would follow when using your air conditioner TOPIC RECOMMENDATION HSITDNI 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 Avoid drastically turning down the temperature Energy is wasted and the room does not cool faster Power failure e Ifa power failure occurs during the operation of the air conditioner the operating immediately stops and unit will be off When power returns the air conditioner will run automatically Protection mechanism If the air conditioner has just been turned on after operation stops or being plugged in cool warm air does not come out for 3 minutes to protect the compressor of the outdoor unit 9 Tropical HAC Cassette type IBIM DB98 33929A indd 9 e 2011 6 18 11 08 12 e Cleaning and maintaining the air conditioner For the best performance from your air conditioner clean it periodically When cleaning make sure to unplug
13. ditioner with the owner the following restrictions must be taken into account Bl General Do NOT install the air conditioner in a location where it will come into contact with the following elements Combustible gases Saline air Machine oil Sulphide gas Special environmental conditions If you must install the unit in such conditions first consult your dealer Avoid installing the air conditioner In areas where it is exposed to direct sunlight Close to heat sources In damp areas or locations where it could come into contact with water for example rooms used for laundry n areas where curtains and furniture could affect the supply and discharge of air Without leaving the required minimum space around the unit as shown in the drawing n scarcely ventilated areas On surfaces that are unable to support the weight of the unit without deforming breaking or causing vibrations during the use of the air conditioner na position that does not enable the condensate drainage pipe to be correctly installed at the end of the installation It is always essential to check the efficiency of the drainage system El Accessories The following accessories are supplied with the indoor unit The type and quantity may differ depending on the specifications Pattern sheet Insulation cover Thermal insulation Thermal insulation Thermal insulation Safety net drain sponge A sponge B sp
14. ecked that there are no leaks in the system you can insulate the piping and hose 1 To avoid condensation problems place T13 0 or thicker Acrylonitrile Butadien Rubber separately around each refrigerant pipe Always make the seam of pipes face upwards Wind insulating tape around the pipes and drain hose avoiding to compress the insulation too much Finish wrapping insulating tape around the rest of the pipes leading to the outdoor unit 4 The pipes and electrical cables connecting the indoor unit with the outdoor unit must be fixed to the wall with suitable ducts CAUTION All refrigerant connection must be accessible in order to permit either unit maintenance or removing it completely e Performing leak test amp insulation HSITDNI Q No gap NBR T13 0 or thicker Insulation cover pipe Insulation pipe Be sure to overlap the insulation N CAUTION Must fit tightly against body without any gap 25 2011 6 18 11 08 16 e Performing leak test amp insulation 5 Select the insulator of the refrigerant pipe Insulate the gas side and liquid side pipe referring to the thickness according to the pipe size Indoor temperature of 30 C and humidity of 85 is the standard condition If installing in a high humidity condition use one grade thicker insulator by referring to the table below If installing in an unfavorable conditions use t
15. es PROBLEM SOLUTION The air conditioner does not operate immediately after it has been restarted Because ofthe protective mechanism the appliance does not start operating immediately to keep the unit from overloading The air conditioner will start in 3 minutes HSITDNI The air conditioner does not work at all Check that the power plug is properly connected Insert the power plug into the wall socket correctly Check if the circuit breaker is switched off Check if there is a power failure Check your fuse Make sure it is not blown out The temperature does not change Checkif you selected Fan mode Press the Mode button on the remote control to select another mode The cool air does not come out of the air conditioner e Check if the set temperature is higher lower than the current temperature Press the Temperature button on the remote control to change the set temperature Press the Temperature button to decrease or increase the temperature e Check if the air filter is blocked by dirt Clean the air filter every two weeks e Check if the air conditioner has just been turned on If so wait 3 minutes Cool air does not come out to protect the compressor of the outdoor unit Check if the air conditioner is installed in a place with a direct exposure to sunlight Hang curtains on windows to boost cooling efficiency e Check if the cover or any obstacle is not near the outdoor uni
16. flowing and property damage When installing the outdoor unit make sure to connect the draining hose so that draining is performed correctly b The water generated during the heating operation by the outdoor unit may overflow and result in property damage In particular in winter if a block of ice falls it may result in injury death or property damage HSITDNI FOR POWER SUPPLY waRNING o Remove all foreign substances such as dust or water from the power plug terminals and contact points using a dry cloth on a regular basis gt Unplug the power plug and clean it with a dry cloth gt Failing to do so may result in electric shock or fire Plug the power plug into the wall socket in the right direction so that the cord runs towards the floor gt If you plug the power plug into the socket in the opposite direction the electric wires within the cable may be damaged and this may result in electric shock or fire When the appliance or power plug or power cord is damaged contact your nearest service center O Plug the power plug into the wall socket firmly Do not use a damaged power plug damaged power cord or loose wall socket gt This may result in electric shock or fire Do not pull the power cord when unplugging the power plug gt Unplug the power plug by holding the plug gt Failing to do so may result in electric shock or fire Do not pull or excessively bend the power cord Do not twist or tie the power cord
17. from the unit for user s safety CLEANING THE EXTERIOR When cleaning the exterior make sure to unplug the power from the unit No special tools are needed to clean it e 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 Do not use Benzene or Thinner os They may damage the surface of the air conditioner and can create a risk of fire 10 Tropical HAC Cassette type IBIM DB98 33929A indd 10 e 2011 6 18 11 08 12 CLEANING THE GRILLE When cleaning the grille make sure to unplug the power from the unit No special tools are needed to clean it 1 Open the front grille HSITDNI Push both of the tabs outwards to unlock the hook on the front grille The grille automatically drops Two safety clips are mounted to the inside front grille to prevent dropping downward 2 Unhook the safety clips by holding the front grille 3 Detach the front grille Hold the front grille at a 45 angle lift it up slightly and then pull the grille forward Hold the grille to prevent dropping outside from the opening of the front grille If not it may Ganon Cause a potential risk of personal injury 14 Cleaning the grille is also available while being attached to the panel 4 Pull out the Air filter Grab the Air filter and lift it upwards while pushing slightly and then pull the Air filter forward 5 C
18. hicker one Insulator s heat resistance temperature should be more than 120 C Insulation Type Heating Cooling s MES Standard High humidi Pipe Pipe size 30 C 8594 BOC over BA Remarks EPDM NBR Liquid 06 35 29 52 9t pipe 012 7 050 80 13t 96 35 13t 19t 09 52 012 70 015 88 25t 019 05 Internal temperature Gas 92223 ia is higher than 120 C pipe 025 40 028 58 031 75 038 10 Jat D 044 45 050 80 25t 38t Refrigerant pipe ala You can contact the gas side and liquid side pipes but the insulton pipes should not be pressed When contacting the gas side and gas side pipe use 1 grade thicker insulator Liquid pipe Gas pipe CAUTION Install the insulation not to get wider and use the adhesives on the connection part of it to prevent moisture from entering Wind the refrigerant pipe with insulation tape if it is exposed to outside sunlight Install the refrigerant pipe respecting that the insulation does not get thinner on the bent part or hanger of pipe Add the additional insulation if the insulation plate gets thinner Additional insulation 26 Tropical HAC Cassette type IBIM DB98 33929A indd 26 Refrigerant pipe insulation 2011 6 18 11 08 16 Drainpipe and drain hose installation Care must be taken when installing the drainpipe and drain hose for the indoor unit so that condensate
19. hinner or alcohol to clean the appliance gt This may result in discoloration deformation damage electric shock or fire Before cleaning or performing maintenance unplug the air conditioner from the wall socket and wait until the fan stops b Failing to do so may result in electric shock or fire FOR CLEANING NcAUTION 0 O Take care when cleaning the surface of the heat exchanger of the outdoor unit since it has sharp edges gt To avoid cutting your fingers wear thick cotton gloves when cleaning it Do not clean the inside of the air conditioner by yourself b For cleaning inside the appliance contact your nearest service center gt When cleaning the internal filter refer to the descriptions in the Cleaning the air conditioner section gt Failure to do may result in damage electric shock or fire Tropical HAC Cassette type IBIM DB98 33929A indd 7 e 2011 6 18 11 08 12 e Viewing your air conditioner Congratulations on the purchase of the air conditioner We hope you enjoy the features of your air conditioner and stay cool or warm with optimal efficiency Please read the user manual to get started and to make the best use of the air conditioner 4 WAY CASSETTE Main parts a d Air flow blade A Air filter under the grille 3 2 Display Display D Filter reset indicator
20. ic shock Do not spray volatile material such as insecticide onto the surface of the appliance gt As well as being harmful to humans it may also result in electric shock fire or problems with the product Do not drink the water from the air conditioner gt The water may be harmful to humans Do not apply a strong impact to the remote controller and do not disassemble the remote controller Do not touch the pipes connected with the product gt This may result in burns or injury Tropical HAC Cassette type_IBIM_DB98 33929A indd 6 e 2011 6 18 11 08 12 FOR USING A CAUTION O Do not use this air conditioner to preserve precision equipment food animals plants or cosmetics or for any other unusual purposes b This may result in property damage Avoid directly exposing humans animals or plants from the air flow from the air conditioner for long periods of time gt This may result in harm to humans animals or plants HSIT9NA 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 Children should be supervised to ensure that they do not play with the appliance FOR CLEANING WARNING O Do not clean the appliance by spraying water directly onto it Do not use benzene t
21. in pipe connection OD 32 ID 26 Air discharge grille 3 4 Drain supply connection 5 6 Air suction grille 20 Tropical HAC Cassette type IBIM DB98 33929A indd 20 e 2011 6 18 11 08 15 e Place the pattern sheet on the ceiling at the spot where you want to install the indoor unit 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 maintain the correct dimensions between the markings Insert bolt anchors use existing ceiling supports or construct a suitable support as shown in figure Install the suspension bolts depending on the ceiling type Ensure 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 If the length of suspension bolt is more than 1 5m it is required to prevent vibration Screw eight nuts to the suspension bolts making space for hanging the indoor unit CAUTION You must install all the suspension rods Hang the indoor unit to the suspension bolts between two nuts Piping must be laid and connected inside the ceiling when suspending the unit If the ceiling is already constructed lay the piping into position for connection to the unit before placing the unit inside the ceiling Screw the nuts to suspend the unit Cut a pad stopper and place it o
22. ing your air conditioner Away cassette USIRG VOUTail CONditioners sisumcrni AA NANANA NANG 9 Tipsionusing your air conditioner aethere ted paa NN ira 9 Cleaning and maintaining the air conditioner ns 10 Cleaning the exterior Cleaning the grille Cleaning the filter ng Maintaining your alt CONditiOhel iii e 13 Appendix Troubleshooting INSTALLATION PARTS Safety precautions Selecting the installation location Indoor unit installation Purging the unit Connecting the refrigerant pipe Cutting flaring the pipes Performing leak test amp insulation Drain pipe and drain hose installation Wiring work Assigning address to indoor unit Additional functions Installing the safety net amp air blocking kits Final check and Providing information for user Troubleshooting Tropical HAC Cassette type IBIM DB98 33929A indd 3 e HSITDNI 2011 6 18 11 08 11 4 e Safety precautions Before using your new air conditioner please read this manual thoroughly to ensure that you know how to safely and efficiently operate the extensive features and functions of your new appliance 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 sa
23. ipes of different diameters Asmaller one for the liquid refrigerant A larger one for the gas refrigerant The inside of copper pipe must be clean amp has no dust 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 Outer Diameter 6 35 mm 1 4 9 52 mm 3 8 12 70 mm 1 2 15 88 mm 5 8 19 05 mm 3 4 Torque kgf cm 145 175 333 407 505 615 630 769 990 1210 If the pipes must be shortened refer to page 24 Must use insulator which is thick enough to cover the refrigerant tube to protect the condensate water on the outside of pipe falling onto the floor and the efficiency of the unit will be better Cut off any excess foam insulation Be sure that there must be no crack or wave on the bended area It would be necessary to double the insulation thickness 10mm or more to prevent condensation even on the insulator when if the installed area is warm and humid N CAUTION Do not use joints or extensions for the pipes that connect the indoor and outdoor unit The only permitted connections are those for which the units are designed HSITDN4 Refrigerant oil L VY Torque wrench Spanner Flare nut Connect the indoor and outdoor units using pipes with flared connections not supplied For the lines use insulated unwelded
24. ith heat 3 insulating material according to the figure F Check if the rubber ring is installed properly on the draining pump 000 Check if the drain cap blocks the outfall of water basin properly As shown in the figure tighten steel ring of the drain hose 27 HSITDNI Drainpipe and drain hose installation Il Drainpipe Connection 3k Flexible hose Installation 1 The drain pipe should be installed within 100mm from the flexible hose lift up from 100mm to 550mm and lift down 20mm or more Be horizontal 2 Install horizontal drainpipe with a slope of 1 100 or more and fix it by hanger space of 1 1 5m Indoor 3 Install the air vent in the horizontal drainpipe to prevent Unit water flow back to the indoor unit Flexible hose You may not need to install it if there were proper slope in the horizontal drainpipe Install horizontally 4 The flexible hose should not be installed upward position it may cause water flow back to the indoor unit 5 Install U trap at the end of the drainpipe to prevent a nasty smell to reach the indoor unit Air vent 300mm or less Flexible hose 100 550mm or less Horizontal drainpipe more than 1 100 slope Ceiling I Testing the drainage You should test the drainage after completing the installation Prepare a little water about 2 0 liters 1 Turn the cover drain pump then pull it ou
25. ith humidity over 80 you must apply extra e 10mm of polyethylene foam or other insulation with similar material on the body of the indoor unit Bl Insulation Guide Thickness more than 10mm Indoor Unit A B C D E 4Way CstS 840x218x840 980x160 980x160 550x160 550x160 870x870 4Way CstL 840x298x840 980x230 980x230 550x230 550x230 870x870 Insulate the end of the pipe and some curved area by using separate insulator Tropical HAC Cassette type IBIM DB98 33929A indd 19 e 19 2011 6 18 11 08 14 Selecting the installation location Il Drawing of the indoor unit 950 950 NS0184CRE X NS0244CRE 716 e 242 246 322 305 NS0364CRE X NS0484CRE 550Adjustable 749 41 Unit mm 860 890 Ceiling opening 699 Suspension position I E S e 9 e 6 2 Zio o o bla L Ag o b o Ne e aS amp KL A 57 840 57 g 230 vv Branch duct E 28 connection 2E 38 N 7 a 7 57 840 57 J a O 5 Branch dut g connection s 50 a 35 g a a A No Name Description MINE 06 35 1 4 018 024 1 Liquid pipe connection 09 52 3 8 CKX036 048K 912 70 1 2 KkK018X 2 Gas pipe connection 15 88 5 8 024 036 gt 019 05 3 4 Ok048 X Dra
26. ld always be kept out of the reach of children Do not attempt to repair move alter or reinstall the unit If performed by unauthorized personnel these operations may cause electric shocks or fires Do not place containers with liquids or other objects on the unit All the materials used for the manufacture and packaging of the air conditioner are recyclable The packing material and exhaust batteries of the remote control optional must be disposed of in accordance with current laws 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 authorized centers or returned to the retailer so that it can be disposed of correctly and safely 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 dam aged 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 After completing the installation always carry out a functional test and provide the instructions on how to operate the air conditioner to the user Do not use the air conditioner in enviro
27. lean the grille with a vacuum cleaner or soft brush If dust is too heavy then rinse it with running water and dry it in a ventilated area TI HE ENS NEC 6 Insert the Air filter back in its original position You will hear a click sound when the Air filter is properly placed 7 Reattach the front grille Place the hook on the unit to the right place then push the front grille upward Mount the safety clips to its original position 87 The illustration shown above may differ from yours depending on your model 11 Tropical HAC Cassette type IBIM DB98 33929A indd 11 e 2011 6 18 11 08 13 e Cleaning and maintaining the air conditioner CLEANING THE FILTER When cleaning the filter make sure to unplug the power from the unit Washable foam based Air filter captures large particles from the air The filter is cleaned with a vacuum or by hand washing 1 Push both of the tabs outwards to unlock the hook on the front grille N The grille automatically drops Two safety clips X N are mounted to the inside front grille to prevent dropping downward 2 Pull out the Air filter Grab the Air filter and lift it upwards while pushing slightly and then pull the Air filter forward f IN 87 When cleaning the filter you do EE NN D times If you want to detach the 2a gt amp front grille see step 2 and 3 on page 16 for instructions iD
28. lled error 38 Error of setting option for wired remote controller COM2 Tropical HAC Cassette type IBIM DB98 33929A indd 38 e Wired remote controller errors 2011 6 18 11 08 20 HSITDNI 39 Tropical HAC Cassette type IBIM DB98 33929A indd 39 e 2011 6 18 11 08 20 CEL QUESTIONS OR COMMENTS COUNTRY CALL OR VISIT US ONLINE AT RAN 021 8255 eoo OMAN 800 SAMSUNG 726 7864 www samsung com KUWAIT 183 2255 www samsung com BAHRAIN 8000 4726 www samsung com EGYPT 08000 726786 www samsung com JORDAN 800 22273 www samsung com MOROCCO 080 100 2255 www samsung com OMAN 800 SAMSUNG 726 7864 www samsung com SAUDI ARABIA 9200 21230 www samsung com TURKEY 444 77 11 www samsung com U A E 800 SAMSUNG 726 7864 www samsung com Tropical HAC Cassette type_IBIM_DB98 33929A indd 40 e 2011 6 18 11 08 20 Cassette Type Series 4 Way cassette NS 4CRE 100 Recycled Paper imagine the possibilities Thank you for purchasing this Samsung product To receive more complete service please register your product at www samsung com register DB98 33929A 2 ex
29. mm 1 wire 0 75 1 25mm 1 wire kThe terminal block designs and shape are subject to change according to the model For connection cord use the grade HO7RN F or HO5RN F materials Screws on terminal block must not be unscrewed with the torque less than 12 kgf cm 30 Tropical HAC_Cassette type_IBIM_DB98 33929A indd 30 amp 2011 6 18 11 08 17 m TA a im n a5 Norminal Norminal B D di E E L d2 t dimensioni dimensions pander Allowance SEE Allowance SENESE Allowance s Sisi Allowance forcable forscrew dimension dimension dimension Min Min Max dimension Min 2 mm mm mm mm mm mm mm mm mm mm 4 6 6 0 3 0 2 1 5 4 8 0 2 34 02 1 7 0 2 4 1 6 16 43 0 0 7 4 6 6 0 3 0 2 2 5 4 85 0 2 4 2 02 2 3 x02 6 6 175 43 0 0 8 4 4 9 5 0 2 5 6 i 34 0 2 6 5 20 43 is 0 9 CAUTION Select the power cable in accordance with relevant local and national regulations Wire size must comply with local and national code For the power cable use the grade of HO7RN F or HO5RN F materials You should connect the power cable into the power cable terminal and fasten it with a clamp The unbalanced power must be maintained within 1096 of supply rating among whole indoor units If the power is unbalanced greatly it may shorten the life of the condenser If the unbalanced power is exceeded over 1096 of
30. msung com Important safety symbols and precautions WARNING Hazards or unsafe practices that may result in severe personal injury or death CAUTION Hazards or unsafe practices that may result in minor personal injury or property damage Q Follow directions S Do NOT attempt D Make sure the machine is grounded to prevent electric shock Unplug the power plug from the wall socket Q Do NOT disassemble FOR INSTALLATION waRNING o Plug the power cord into a wall socket with the power specifications of the product or higher and use the socket for this appliance only In addition do not use an extension cord gt Sharing a wall socket with other appliances using a power strip or extending the power cord may result in electric shock or fire gt Do not use an electric transformer It may result in electric shock or fire gt Ifthe voltage frequency rated current condition is different it may cause fire The installation of this appliance must be performed by a qualified technician or service company gt Failing to do so may result in electric shock fire explosion problems with the product or injury Install a switch and circuit breaker dedicated to the air conditioner gt Failing to do so may result in electric shock or fire Never install the outdoor unit in a location such as on a high external wall where it could fall gt If the outdoor unit falls it may result in injury death or pr
31. n the bracket at this time Adjust the unit to the appropriate position considering the installation area for the front panel 7 1 Place the pattern sheet on the indoor unit 7 2 Adjust a space between the ceiling and the indoor unit by using the gauge of dimensions 7 3 Fix the indoor unit securely after adjusting level of the unit by using a leveler 7 4 Remove the pattern sheet connect the other cables and install the front panel Tropical HAC Cassette type IBIM DB98 33929A indd 21 e Indoor unit installation HSITDNI Concrete on Insert Hole in anchor Hole in plug Suspension bolt M8 field supply mig Ceiling support Ceiling 17mm Gauge of Dimensions 21 2011 6 18 11 08 15 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 Result All inert gas escapes from the indoor unit 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 22 Tropical HAC Cassette type IBIM DB98 33929A indd 22 e Liquid refrigerant port Gas refrigerant port 2011 6 18 11 08 15 e Connecting the refrigerant pipe There are two refrigerant p
32. nments with hazardous substances or close to equipment that release free flames to avoid the occurrence of fires explosions or injuries 16 Tropical HAC Cassette type IBIM DB98 33929A indd 16 e 2011 6 18 11 08 13 POWER SUPPLY LINE FUSE OR CIRCUIT BREAKER 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 Always verify that a suitable grounding connection is available 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 Always verify that the cut off and protection switches are suitably dimensioned 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 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 HSITDNI 17 Tropical HAC Cassette type IBIM DB98 33929A indd 17 e 2011 6 18 11 08 14 Selecting the installation location When deciding on the location of the air con
33. o install the product in an unusual location such as in an industrial area or near the seaside where it is exposed to the salt in the air please contact your nearest service center Tropical HAC Cassette type IBIM DB98 33929A indd 5 e 2011 6 18 11 08 12 6 e Safety precautions FOR USING A WARNING O Do not touch the power plug or the circuit breaker with wet hands b This may result in electric shock Do not unplug the power plug or turn the air conditioner off with the circuit breaker while it is operating gt Plugging the power plug into the wall outlet or turning the air conditioner on from the circuit breaker may cause a spark and result in electric shock or fire After unpacking the air conditioner keep all packaging materials well out of the reach of children as packaging materials can be dangerous to children gt Ifa child places a bag over its head it may result in suffocation Do not insert your fingers or foreign substances into the air inlet outlet of the air conditioner gt Take special care that children do not injure themselves by inserting their fingers into the product Do not strike or pull the air conditioner with excessive force b This may result in fire injury or problems with the product Do not place an object near the outdoor unit that allows children to climb onto the machine b This may result in children seriously injuring themselves Do not use this air conditioner fo
34. onge C N NI T IN LO IN SS O t US var O Flexible hose Cable tie Flexible hose M4x12 Pad stopper User amp lnstallation clamp A Cio tapped screw Cum manual Bj Indoor unit 18 There must be no obstacles near the air inlet and outlet Install the indoor unit on a ceiling that can support its weight Maintain sufficient clearance around the indoor unit Make sure that the water dripping from the drain hose runs away correctly and safely The indoor unit must be installed in this way that they are out of public access Not touchable by the users Rigid wall without vibration Where it is not exposed to direct sunshine Where the air filter can be removed and cleaned easily Il Space requirements for indoor unit HSITDNI Our units must be installed in compliance with the spaces indicated in the installation manual to ensure either accessibility from both sides or ability to perform routine maintenance and repairs The units components must be accessible and that can be disassembled in conditions of complete safety either for people or things Asa rule the unit cannot be installed at a height of less than 2 5 m It is possible to install the unit at a height of between 2 2 2 5m from the ground if the unit has a duct with a well defined length 300mm or more to avoid fan motor blower contact e If you install the cassette or duct type indoor unit on the ceiling w
35. oor unit 1 Before installing the indoor unit assign an address to the indoor unit according to the air conditioning system plan 2 The address of the indoor unit is assigned by adjusting MAIN SWO2 and RMC SW04 rotary switches onnon rinmnnnnannn a a n OO 3k The designs and shape are ko KIOKI1Ki2 subject to change according ERE to the model nate 1234 Swo7 Setting Main Address D The MAIN address is for communication between the indoor unit and the outdoor unit amp Therefore you must set it to operate the air conditioner properly You can set the MAIN address from 0 to F by SWO2 The MAIN address from 0 to F should differ from each other Check the indoor unit address on the plan that you may install and set the address according to the plan You may not need to set main address if you selected Auto Address Setting from the outdoor unit see details on the outdoor unit installation manual When MAIN address is set as 2 Setting RMC Address The SW04 RMC switch is the address setting switch for controlling the indoor unit with the central
36. operty damage Fix the outdoor unit firmly so that the electric part of the outdoor unit is not exposed gt Failing to do so may result in electric shock or fire O Do not install this appliance near a heater inflammable material Do not install this appliance in a humid oily or dusty location in a location exposed to direct sunlight and water rain drops Do not install this appliance in a location where gas may leak gt This may result in electric shock or fire e This appliance must be properly grounded Do not ground the appliance to a gas pipe plastic water pipe or telephone line b Failure to do so may result in electric shock fire an explosion or other problems with the product gt Never plug the power cord into a socket that is not grounded correctly and make sure that it is in accordance with local and national codes FOR INSTALLATION Acaution Q This appliance should be positioned in such a way that it is accessible to the power plug gt Failing to do so may result in electric shock or fire due to electric leakage Install your appliance on a level and hard floor that can support its weight gt Failing to do so may result in abnormal vibrations noise or problems with the product Tropical HAC Cassette type IBIM DB98 33929A indd 4 e 2011 6 18 11 08 11 FOR INSTALLATION Acaution Q Install the draining hose properly so that water is drained correctly gt Failing to do so may result in water over
37. r long periods of time in badly ventilated locations or near infirm people gt Since this may be dangerous due to a lack of oxygen Open a window at least once an hour 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 gt Failing to do so may result in electric shock or fire Do not attempt to repair disassemble or modify the appliance yourself b Do not use any fuse such as cooper steel wire etc other than the standard fuse gt Failing to do so may result in electric shock fire problems with the product or injury FOR USING A cauTION 0 Do not place objects or devices under the indoor unit gt Water dripping from the indoor unit may result in fire or property damage Check that the installation frame of the outdoor unit is not broken at least once a year gt Failing to do so may result in injury death or property damage Max current is measured according to IEC standard for safety and current is measured according to ISO standard for energy efficiency Do not stand on top of the appliance or place objects such as laundry lighted candles lighted cigarettes dishes chemicals metal objects etc on the appliance gt This may result in electric shock fire problems with the product or injury Do not operate the appliance with wet hands gt This may result in electr
38. rd Specifications Power Supply Single Phase Power Supply Max Min V Connection Wire Earth Cable Communication Cable 220 240V 50Hz 10 1 25mm 2 wires 1 6mm 1 wire 0 75 1 25mm31 wire The terminal block designs and shape are subject to change according to the model For connection cord use the grade HO7RN F or HO5RN F materials Screws on terminal block must not be unscrewed with the torque less than 12 kgf cm Tropical HAC Cassette IBIM DB98 33929A E indd 29 e 29 2011 6 28 163627 Wiring work NS0244CRE RC024FATRE NS0364CRE RC036FATRE Indoor unit CON e FA F2 F3 F4 Wired Remote Controller Main Power 220 240V 50Hz Outdoor unit NS0364CRE RC036F4TRG NS0484CRE RC048F4TRG Wired Remote Controller Main Power 3N 380 415V 50Hz Outdoor unit E Between Indoor and Outdoor Connection Cord Specifications Power Supply Single Phase Earth Cable Communication Cable Power Supply Max Min V Connection Wire 220 240V 50Hz 10 1 25mm 2 wires 1 6
39. re 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 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 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 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 Do not use the units if damaged If problems occur switch the unit off and disconnect it from the power supply In order to prevent electric shocks fires or injuries always stop the unit disable the protection switch and contact SAMSUNG technical support if the unit produces smoke if the power cable is hot or damaged or if the unit is very noisy Always remember to inspect the unit electric connections refrigerant tubes and protections regularly These operations should be performed by qualified personnel only The unit contains moving parts which shou
40. rol system This internal protection operates if an internal fault occurs in the air conditioner Type Description Anti protection of internal battery tioner operates in Cool mode The compressor will be off to protect internal battery when the air condi Protect compressor The air conditioner does not start operating immediately to protect the com pressor of the outdoor unit after it has been started Appendix 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 MODE OPERATIONAL TEMPERATURE INDOOR OUTDOOR INDOOR HUMIDITY IF OUT OF CONDITIONS COOLING 21 Cto 32 C 21 C to 54 C 80 or less Condensation may occur on the indoor unit with risk to have either water blow off or drops on the floor DRYING 21 Cto 32 C 21 C to 54 C Condensation may occur on the indoor unit with risk to have either water blow off or drops on the floor 4 If the cooling operation is used at over 32 C indoor temperature it does not cool at its full capacity 14 Tropical HAC Cassette type IBIM DB98 33929A indd 14 2011 6 18 11 08 13 Tropical HAC Cassette type IBIM DB98 33929A indd 15 e Appendix TROUBLESHOOTING Refer to the following chart if the air conditioner operates abnormally This may save time and unnecessary expens
41. rong lighting apparatus near the air conditioner Strong light which comes from fluorescent bulbs or neon signs may interrupt the electric waves The air conditioner does not turn on or off with the wired remote control Checkif you set the wired remote control for group control The wired remote control does not operate e Check if TEST indicator is displayed on the wired remote control If so turn off the unit and switch off the circuit breaker Call your nearest contact center The indicators of the digital display flashes Press the Power button on the remote control to turn the unit off and switch the circuit breaker off Then switch it on again 15 2011 6 18 11 08 13 e Safety precautions Carefully follow the precautions listed below because they are essential to guarantee the safety of the equipment WARNING eAlways disconnect the air conditioner from the power supply before servicing it or accessing its internal components eVerify that installation and testing operations are performed by qualified personnel eVerify that the air conditioner is not installed in an easily accessible area GENERAL INFORMATION 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 For maximum safety installers should always carefully read the following warnings Sto
42. t 2 Pour water into the indoor unit as shown in figure If you do not pour water inside the water supply intake water may spill from the indoor Cover drain pump unit 3 Confirm that the water flows out through the drain hose You can check the drainage only when the air conditioner is in cool mode 4 Reassemble the cover drain pump 28 Wiring work Bl Power and communication cable connection 1 Before wiring work you must turn off all power source 2 Indoor unit power should be supplied through the breaker ELCB or MCCB ELB separated by the outdoor power ELCB Earth Leakage Circuit Breaker MCCB Molded Case Circuit Breaker ELB Earth Leakage Breaker HSITDNI 3 The power cable should be used only copper wires 4 Connect the power cable 1 L 2 N among the units within maximum length and communication cablef 3 C Jeach 5 Connect V1 V2 for DC12V and F3 F4 for communication when installing the wired remote controller WARNING Power off before connecting any wires Indoor PBA will be damaged while V1 V2 F3 F4 short each other NSO184CRE RCO18F4TRE Indoor unit OLIO AN 3C G Wired Remote Controller Main Power 220 240V 50Hz Outdoor unit ll Between Indoor and Outdoor Connection Co
43. t e Check if the refrigerant pipe is too long e Check if the air conditioner is only available in Cool mode e Check if the remote control is only available for cooling model The fan speed does not change Checkif you selected Auto or Dry mode The air conditioner automatically adjusts the fan speed to Auto in Auto Dry mode Timer function does not set e Check if you press the Power button on the remote control after you have set the time Odors permeate in the room during operation e Check if the appliance is running in a smoky area or if there is a smell entering from outside Operate the air conditioner in Fan mode or open the windows to air out the room The air conditioner makes a bubbling sound e A bubbling sound may be heard when the refrigerant is circulating through the compressor Let the air conditioner operate in a selected mode When you press the Power button on the remote control noise may be heard from the drain pump inside the air conditioner Water is dripping from the air flow blades e Check if the air conditioner has been cooling for an extended period of time with the air flow blades pointed downwards Condensation may generate due to the difference in temperature Remote control is not working Check if your batteries are depleted e Make sure batteries are correctly installed e Make sure nothing is blocking your remote control sensor e Check that there are st
44. t protection Li control of the outdoor unit temperature sensor 459 Control due to the condenser temperature sensor when cooling mode Error of the low pressure switch Protection control Reverse phase error Protection control In removing frost 451 425 551 EFE Error of the outdoor temperature sensor Open Short NG 3 Error of condensor temperature sensor Open Short e Mg Ng uu Error of discharge temperature sensor Open Short Error about the outdoor unit sensor Open Short Detection during the operation of the indoor unit sensing and send into the communi ing errors cation data e System down caused by communication error after completion of tracking Mismatching of the indoor unit numbers set with those communication after completion of 5 times tracking Communication and the indoor unit errors Error of temperature sensor in the indoor unit Open Short Error of the heat exchanger sensor in the indoor unit Open Short Error of electronic expansion valve open in the outdoor unit when it is detected more than once Error of electronic expansion valve close in the outdoor unit when it is detected more than once Self diagnosis of the indoor and outdoor unit Error of communication between the indoor unit and the wired remote controller Master wired remote controller amp Slave wired remote controller COM1 COM2 Cross insta
45. ts first manually and then with a torque wrench applying the following torque Valve Flare nut Valve cap Pressure port cap Valve needle Pressure port Wrench mm Nem Wrench mm Nem Wrench mm Nem Wrench mm Nem Wrench mm Nem 1 4 17 18 23 20 18 16 18 Allen hex 5 9 0 34 3 8 22 42 23 20 18 16 18 Allen hex 5 9 0 34 1 2 26 55 29 40 18 16 18 Allen hex 5 13 0 34 5 8 29 65 29 40 18 16 18 Allen hex 5 13 0 34 3 4 36 100 38 40 18 16 18 Allen hex 5 13 2 0 34 N CAUTION In case of needing brazing you must work with Nitrogen gas blowing 24 Tropical HAC Cassette type IBIM DB98 33929A indd 24 e 2011 6 18 11 08 15 e Tropical HAC Cassette type IBIM DB98 33929A indd 25 e Bl Leak test LEAK TEST WITH NITROGEN before opening valves In order to detect basic refrigerant leaks before recreating the vacuum and recirculating the R22 it s responsable of installer to pressurize the whole system with nitrogen using a cylinder with pressure reducer at a pressure above 30 bar gauge LEAK TEST WITH R22 after opening valves Before opening valves discharge all the nitrogen into the system and create vacuum After opening valves check leaks using a leak detector for refrigerant R22 CAUTION Discharge all the nitrogen to create a vacuum and charge the system El Insulation Once you have ch
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