User manual SAMSUNG ND220HHXEA

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[. . . ] Duct Type Series BIG duct : NDHH Air Conditioner installation manual imagine the possibilities Thank you for purchasing this Samsung product. To receive more complete service, please register your product at www. samsung. com/register E DB98-33764A(1) Contents Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Selecting the Installation Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] When the ceiling is under construction, the hole for check-up must be made to take service, clean and repair the unit. It is possible to install the unit at an height of between 2. 2~2. 5m from the ground, if the unit has a duct with a well defined lenght (300mm or more), to avoid fan motor blower contact. Insulation Guide D B Back Front Thickness: more than 10mm Indoor unit 20. 0~28. 0kW (1240x470x1040) A 1240x1040 B 1240x1040 C 470x1040 D A C Front/Back Insulate the front and back side in proper size at the same time when insulating the suction duct and discharge duct. 470x1040 Insulate the end of the pipe and some curved area by using separate insulator. Insulate the discharge and suction part at the same time when you insulate connection duct. E-7 Selecting the Installation Location (Continued) Drawing of the indoor unit 1306 Suspension position 1188 Air inlet duct flange 140X8=1120 Unit : mm 914 Suspension position 1040 140X8=1120 1188 Air outlet duct flange 1240 34 660 647 598 100X2=200 93 22 209 236 Suction side OD 32 35 470 Discharge side No. Name Liquid pipe connection Gas pipe connection Drain pipe connection Drain pipe connection (Option drain pump) Power supply/Communication connection Air discharge grille flange Air suction flange Hook Description ø9. 52 (3/8") ND200/220 : ø19. 05(3/4") ND280 : ø22. 22(7/8") VP25 (OD ø32, ID ø25) VP25 (OD ø32, ID ø25) 3/8" or M10 E-8 29 385 Indoor Unit Installation It is recommended to install theY-joint before installing the indoor unit. 1 Place the pattern sheet on the ceiling at the spot where you want to install the indoor unit. Note 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. Concrete Insert 2 Insert bolt anchors, use existing ceiling supports or construct a suitable support as shown in figure. Hole in anchor Hole in plug 3 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. If this is not possible, create an opening on the false ceiling in order to be able to use it to perform the required operations on the indoor unit. Suspension bolt( 3/8" or M10) Ceiling support 4 Screw eight nuts to the suspension bolts making space for hanging the indoor unit. You must install the suspension bolts more than four when installing the indoor unit. 5 Hang the indoor unit to the suspension bolts between two nuts. Note Piping must be laid and connected inside the ceiling when suspending the unit. There are some examples of correctly and incorrectly cut edges below. Oblique Rough Burr 2 3 4 To prevent a gas leak, remove all burrs at the cut edge of the pipe using a reamer. Carry out flaring work using flaring tool as shown below. Flaring tool A York Die Die Clutch type Wing nut type Copper pipe Flare nut Copper pipe Outer diameter D(mm) 6. 35 9. 52 12. 70 15. 88 Flare tool for R410A clutch type 0~0. 5 0~0. 5 0~0. 5 0~0. 5 A(mm) Conventional flare tool Clutch type Wing nut type 1. 0~1. 5 1. 5~2. 0 1. 0~1. 5 1. 5~2. 0 1. 0~1. 5 1. 5~2. 0 1. 0~1. 5 1. 5~2. 0 5 Check if you flared the pipe correctly. There are some examples of incorrectly flared pipes below. Correct Inclined Damaged Surface Cracked Uneven Thickness 6 Align the pipes and tighten the flare nuts first manually and then with a torque wrench, applying the following torque. Outer diameter Connection Flare dimension (mm) Torque(kgf·cm) (mm) 6. 35 9. 52 12. 70 15. 88 145~175 333~407 505~615 630~769 8. 70~9. 10 16. 20~16. 60 19. 30~19. 70 90° ±2° Flare shape (mm) 45° ± 2° 12. 80~13. 20 R 0. 4~0. 8 In case of needing brazing, you must work with Nitrogen gas blowing. E-11 Performing Leak Test & Insulation Leak test LEAK TEST WITH NITROGEN (before opening valves) In order to detect basic refrigerant leaks, before recreating the vacuum and recirculating the R410A, it's responsible of installer to pressurize the whole system with nitrogen (using a pressure regulator) at a pressure above 4. 1MPa (gauge). LEAK TEST WITH R410A (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 R410A. Leak check Discharge all the nitrogen to create a vacuum and charge the system. Insulation Once you have checked that there are no leaks in the system, you can insulate the piping and hose. No gap 1 To avoid condensation problems, place T13. 0 or thicker Acrylonitrile Butadien Rubber separately around each refrigerant pipe. Note Always make the seam of pipes face upwards. NBR(T13. 0 or thicker) 2 Insulation cover pipe Insulation pipe Indoor unit Wind insulating tape around the pipes and drain hose avoiding to compress the insulation too much. 3 Finish wrapping insulating tape around the rest of the pipes leading to the outdoor unit. Be sure to overlap the insulation Must fit tightly against body without any gap. 4 The pipes and electrical cables connecting the indoor unit with the outdoor unit must be fixed to the wall with suitable ducts. All refrigerant connection must be accessible, in order to permit either unit maintenance or removing it completely. E-12 5 Select the insulation 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 install in a high humidity condition, use one grade thicker insulator by referring to the table below. Insulation's heat-resistance temperature should be more than 120. Pipe Pipe size Insulation Type(Heating/Cooling) Standard High humidity [30°C, 85%] [30°C, over85%] EPDM, NBR 9t 9t 13t 13t 13t 19t Remarks Liquid pipe Gas Pipe ø6. 35~ø9. 52 ø12. 70~ø50. 80 ø6. 35 ø9. 52 ø12. 70 ø15. 88 ø19. 05 ø22. 23 ø25. 40 ø28. 58 ø31. 75 ø38. 10 ø44. 45 ø50. 80 25t 19t Internal temperature is higher than 120°C 32t 25t 38t Refrigerant pipe before EEV kit and MCU or without EEV kit and MCU You can contact the gas side and liquid side pipes but the pipes should not be pressed. When contacting the gas side and gas side pipe, use 1 grade thicker Insulation Insulation insulation. Refrigerant pipe after EEV kit and MCU Install the gas side and liquid side pipes, leave 10mm of space. When contacting the gas side and liquid side pipe, use 1 grade Liquid pipe Gas pipe thicker insulation. 10mm 10mm 10mm Install the insulation not to get wider and use the adhesives on the connection part of it to prevent moisture from entering. outside sunlight. Gas pipe Liquid pipe Wind the refrigerant pipe with insulation tape if it is exposed to 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 Hanger a a×3 Refrigerant pipe insulation E-13 Drain pipe and Drain hose Installation Care must be taken when installing the drain hose for the indoor unit to ensure that any condensate water is correctly drained outside. [. . . ] The address of the indoor unit is assigned by adjusting MAIN(SW01, SW02) and RMC(SW03, SW04) rotary switches. 2 SW01 SW02 SW03 SW04 The designs and shape are subject to change according to the model. SW05 SW06 SW07 Setting Main Address The MAIN address is for communication between the indoor unit and the outdoor unit. You can set the MAIN address from `00' to `99' by mixing SW01 and SW02. The MAIN address from `00' to `99' should differ from each other. Check the indoor unit address on the plan that you are to install and set the address according to the plan. [. . . ]

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