Samsung ND200HHXEA, ND220HHXEA User Manual
Duct Type Series
BIG duct : NDHH
Air Conditioner
installation manual
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E DB98-33764A(1)
Contents |
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■ Safety Precautions ............................................................................................................. |
3 |
■ Accessories ............................................................................................................................. |
6 |
■ Selecting the Installation Location ........................................................................ |
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■ Indoor Unit Installation .................................................................................................. |
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■ Purging the Unit ................................................................................................................. |
10 |
■ Connecting the Refrigerant Pipe ............................................................................ |
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■ Cutting/Flaring the Pipes ............................................................................................. |
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■ Performing Leak Test & Insulation ......................................................................... |
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■ Drain pipe and Drain hose Installation ............................................................... |
14 |
■ Wiring Work ........................................................................................................................... |
18 |
■ Indoor Unit Setting ........................................................................................................... |
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■ Additional Functions ....................................................................................................... |
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■ Final Checks and User Tips .......................................................................................... |
24 |
■ Troubleshooting ................................................................................................................. |
25 |
■ Option table .......................................................................................................................... |
27 |
E-2
Safety Precautions
The following safety precautions must be taken when using your air conditioner.
WARNING
•Riskofelectricshockcancauseinjuryordeath.•Disconnectallremote electricpowersuppliesbeforeservicing,installingorcleaning.
•Installationmustbedonebythemanufacturerorserviceagentora similarqualifiedpersoninordertoavoidahazard.
Installing the unit
The unit should not be installed by the user. Ask the dealer or authorized company to install the units.
If the unit is installed improperly, water leakage, electric shock or fire may result.
Mount with the lowest moving parts at least 2.5 m above the floor or grade level. (If applicable)
The manufacturer does not assume responsibility for accidents or injury caused by an incorrectly installed air conditioner. If you are unsure about installation, contact an installation specialist.
When installing the built-in type air conditioner, keep all electrical cables such as the power cable and the connection cord in pipe, ducts, cable channels e.t.c to protect them against liquids, outside impacts and so on.
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.
This appliance is not accessible to the general public. This appliance should be installed according to the provided installation instruction.
When installing the air conditioner in a small room, the measure not to exceed the dangerous density is needed.
-When refrigerant leaks and exceeds the dangerous density, suffocation may occur.
If any gas or impurities except R410A refrigerant come into the refrigerant pipe, serious problem may occur and it may cause injury.
Use only rated accessories and install the air conditioner with rated equipments.
-If you dont’t use the rated accessories, the air conditioner may
drop from its place, water may leak or electric shock or fire may occur.
Ventilate your room when refrigerant gas leaks during installation.
-Toxic gas may generate when refrigerant gas contacts with heat.
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.
For this reason, where it is not observed as indicated into the Installation Manual, the cost necessary to reach and repair the unit (in safety, as required by current regulations in force) with slings, trucks, scaffolding or any other means of elevation won’t be considered in-warranty and charged to end user.
E-3
Safety Precautions (Continued)
Power supply line or circuit breaker
If the power cable of this air conditioner is damaged, it must be replaced by service agent or similarly qualified persons in order to avoid a hazard.
The unit must be plugged into an independent circuit if applicable or connect the power cable to the auxiliary circuit breaker. An all pole disconnection from the power supply must be incorporated in
the fixed wiring with a contact opening of >3mm.
The air conditioner must be installed in accordance with national wiring regulations and safety regulations wherever applicable.
The electric work must be done by service agent or similarly qualified persons according to national wiring regulations and use only rated cable.
-If the capacity of the power cable is insufficient or electric work is not properly completed, electric shock or fire may occur.
Install the cables with supplied cables firmly. Fix them securely so that external force is not exerted to the terminal board.
-If the connection or fixing is incomplete, heat generation, electric shock or fire may occur.
Connect the power cable between the indoor and outdoor unit properly so that the electrical component box cover is not get loosen and attach the cover securely.
-If the the cover is attached incompletely, heat generation, electric shock or fire of the terminal board may occur.
E-4
Makesurethatyouearththecables.
-Donotconnecttheearthwiretothegaspipe,waterpipe,lighting rodortelephonewire.Ifearthingisnotcomplete,electricshockor firemayoccur.
Installthecircuitbreaker.
-Ifthecircuitbreakerisnotinstalled,electricshockorfiremayoccur.
Makesurethatthecondensedwaterdrippingfromthedrainhose runsoutproperlyandsafely.
Installthepowercableandcommunicationcableoftheindoorand outdoorunitatleast1mawayfromtheelectricappliance.
Installtheindoorunitawayfromlightingapparatususingtheballast.
-Ifyouusethewirelessremotecontrol,receptionerrormayoccur
duetotheballastofthelightingapparatus.
Donotinstalltheairconditionerinfollowingplaces. -Placewherethereismineraloilorarsenicacid.
Resinpartsflameandtheaccessoriesmaydroporwatermayleak. Thecapacityoftheheatexchangermayreduceortheairconditioner maybeoutoforder.
-Theplacewherecorrosivegassuchassulfurousacidgasgenerates fromtheventpipeorairoutlet.
Thecopperpipeorconnectionpipemaycorrodeandrefrigerant mayleak.
-Theplacewherethereisamachinethatgenerateselectromagnetic waves.
Theairconditionermaynotoperatenormallyduetocontrolsystem.
-Theplacewherethereisadangerofexistingcombustiblegas, carbonfiberorflammabledust.
Theplacewherethinnerorgasolineishandled. Gasmayleakanditmaycausefire.
E-5
Accessories
Thefollowingaccessoriesaresuppliedwiththeindoorunit.
Thetypeandquantitymaydifferdependingonthespecifications.
User's |
Installation |
Pattern sheet |
Insulation cover |
manual |
manual |
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pipe in |
Insulation cover |
Insulation pipe(A) |
Insulation pipe(B) |
Cable tie |
pipe out |
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Flexible hose |
Clamp hose |
Washer |
Rubber |
Sleeve |
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E-6
Selecting the Installation Location
Indoor Unit
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)
After connecting a chamber, insulate the connection part between the indoor unit and the chamber with t10 or thicker insulation. Otherwise, there can be air leak or dew from the connection part.
Rigid wall without vibration.
Where it is not exposed to direct sunshine.
Where the air filter can be removed and cleaned easily.
Space requirements for installation & service
Construction Standard for Inspection Hole.
1)In case, the ceiling is textile, Inspection hole dose not need.
2)In case, the ceiling is plaster board, Inspection hole depends on Inside height of the ceiling.
a.Height is more than 1m : Only “B” [Inspection for PBA] is applied.
b.Height is less than 1m : Both “A” & ”B” are applied.
c.“A” & ”B” are inspection holes.
Unit Depth(D)+50mm
20mm or more
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Unit Width(W) |
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20mm or more |
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“A”=W+100mm |
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“B”=500mm |
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You must have 20mm or more space between the ceiling and the bottom of indoor unit. Otherwise, the noise from the vibration of indoor unit may bother the user. 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 |
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A |
C |
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Indoor unit |
A |
B |
C |
D |
Front/Back |
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20.0~28.0kW |
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Insulate the front and back side |
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1240x1040 |
1240x1040 |
470x1040 |
470x1040 |
in proper size at the same time |
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(1240x470x1040) |
when insulating the suction duct |
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and discharge duct. |
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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
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1306 Suspension position |
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1188 Air inlet duct flange |
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140X8=1120 |
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1040 |
Suspension position |
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914 |
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140X8=1120 |
34 |
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1188 Air outlet duct flange |
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1240 |
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32 |
OD 35 |
Unit : mm
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660 |
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647 |
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598 |
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22 |
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93 |
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470 |
100X2=200 |
209 236 |
385 |
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29 |
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Discharge side |
Suction side |
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No. |
Name |
Description |
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Liquid pipe connection |
ø9.52 (3/8”) |
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Gas pipe connection |
ND200/220: ø19.05(3/4”) |
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ND280: ø22.22(7/8”) |
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Drain pipe connection |
VP25 (OD ø32, ID ø25) |
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Drain pipe connection (Option drain pump) |
VP25 (OD ø32, ID ø25) |
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Power supply/Communication connection
Air discharge grille flange
Air suction flange
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Hook |
3/8” or M10 |
E-8
Indoor Unit Installation
ItisrecommendedtoinstalltheY-jointbeforeinstallingtheindoorunit.
1Place 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 |
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due to temperature or humidity. For this reason, before drilling the |
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holes maintain the correct dimensions between the markings. |
2Insert bolt anchors, use existing ceiling supports or construct a suitable support as shown in figure.
3Install 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.
4Screw 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 |
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suspending the unit. If the ceiling is already constructed, lay the |
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piping into position for connection to the unit before |
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placing the unit inside the ceiling. |
6Screw the nuts to suspend the unit.
7Adjust level of the unit by using measurement plate for all 4 sides.
Note |
For proper drainage of condensate, give a 1° slant to the left or |
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right side of the unit which will be connected with the drain hose, |
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as shown in the figure. Make a tilt when you wish to install the |
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drain pump, too. |
Concrete |
Insert |
Hole in anchor
Hole in plug
Suspension bolt( 3/8” or M10)
Ceiling support
Rubber
1° 
Drain hose port
E-9
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