Samsung EH035CAV Installation Manual
System air conditioner (cooling and heating)
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Summary of Contents for Samsung EH035CAV
- Page 1 INSTALLATION MANUAL EH035CAV EH052CAV EH070CAV System Air Conditioner (Cooling and Heating) E S F DB98-27564A(1)
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Page 2: Safety Precautions
Safety Precautions The following safety precautions must be taken when using your air conditioner. • Risk of electric shock can cause injury or death. • Disconnect all remote WARNING electric power supplies before servicing, installing or cleaning. • This must be done by the manufacturer or its service agent or a similar qualified person in order to avoid a hazard. -
Page 3: Table Of Contents
Contents Deciding on Where to Install the Air Conditioner ..........Deciding on Where to Install the Indoor Unit ............Indoor Unit Installation ..................Purging the Unit ....................Connecting the Refrigerant Pipe ................Cutting/Flaring the Pipes ..................Performing Leak Test & Insulation ................ Drain Pipe and Drain Hose Installation.............. -
Page 4: Deciding On Where To Install The Air Conditioner
Deciding on Where to Install the Air Conditioner When deciding on the location of the air conditioner with the owner, the following restrictions must be taken into account. General Do NOT install the air conditioner in a location where it will come into contact with the following elements: N Combustible gases N Saline air N Machine oil... -
Page 5: Indoor Unit
Indoor Unit N There must be no obstacles near the air inlet and outlet. N Install the indoor unit on a ceiling that can support its weight. N Maintain sufficient clearance around the indoor unit. N Make sure that the water dripping from the drain hose runs away correctly and safely. -
Page 6: Deciding On Where To Install The Indoor Unit
Deciding on Where to Install the Indoor Unit Drawing of the indoor unit ✴✴035✴✴ 11.9 3✕256=768 Unit : mm 938.4 Suspension position 1000 or more 8✕100=800 Inspection hole 860 Air outlet duct flange 22-ø3.2 Hole All around Discharge side Suction side Name Remark Liquid pipe connection... - Page 7 ✴✴052/070✴✴ Unit : mm Name Remark Liquid pipe connection ø6.35 Gas pipe connection ø12.70(✴✴052✴✴) / ø15.88(✴✴070✴✴) Drain pipe connection OD32 ID26 Drain pipe connection Using drain pump (Optional) Power supply connection Air inlet grille flange Air filter Hook For M8-M10...
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Page 8: Indoor Unit Installation
Indoor Unit Installation Mark the place to insert the suspension bolt where you want to install the indoor unit. Refer to pages 6~7 for the dimension. Concrete Insert bolt anchors. Use existing ceiling supports or construct a suitable support as shown in figure. Insert Hole in anchor Hole in plug... -
Page 9: Purging The Unit
Purging the Unit On delivery, the indoor unit is loaded with refrigerant gas. All this gas must therefore be purged before connecting the assembly piping. To purge the inert gas, proceed as follows. Unscrew the pinch pipe at the end of each refrigerant pipe. Result: All inert gas escapes from the indoor unit. -
Page 10: Connecting The Refrigerant Pipe
Connecting the Refrigerant Pipe There are two refrigerant pipes of different diameters: N A smaller one for the liquid refrigerant N A larger one for the gas refrigerant N The inside of copper tube must be clean & has no dust. refrigerant The connection procedure for the refrigerant pipes varies according to port... -
Page 11: Cutting/Flaring The Pipes
Cutting/Flaring the Pipes Make sure that you have the required tools available (pipe cutter, reamer, flaring tool and pipe holder). If you wish to shorten the pipes, cut it with a pipe cutter, taking care to ensure that the cut edge remains at a 90° angle with the side of the pipe. Refer to the illustrations below for examples of edges cut correctly and incorrectly. -
Page 12: Performing Leak Test & Insulation
Performing Leak Test & Insulation Leak Test To check for gas leaks on the indoor unit, check the connection part of each refrigerant pipe by using a leak detector. Insulation Once you have checked that there are no leaks in the system, you can insulate the piping and hose. -
Page 13: Drain Pipe And Drain Hose Installation
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 drain hose can be installed to the right or left side of the base pan. ✴✴035✴✴... -
Page 14: Testing The Drainage
Drain pipe and Drain Hose Installation (Continued) When not installing the drain pump When installing the drain pump(✴✴035✴✴) Do not give the hose upward gradient after When installing a flexible hose, the difference of the connection port. pivot of a drain hose port and a drain hose must This will cause water to flow backwards when be within 20mm. -
Page 15: Connecting The Connection Cord
Connecting the Connection Cord The indoor unit is powered from the outdoor unit via the connection cord. Remove the screw on the electrical component box and remove the cover plate. Route the connection cord through the side of the indoor unit and connect the cable to terminals;... - Page 16 Connecting the Connection Cord (Continued) Wiring and Communication Cable Connection Connect the power cable, which is connected with the outdoor unit and supplied by another source, making sure that the power cable terminal should not be changed. The F3 and F4 communication cable may be cross-connected, however, it is recommended that they are connected to the corresponding F3 and F4 terminal.
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Page 17: Adjusting Air Flow
Adjusting Air Flow E. S. P(External Static Pressure) Setting for Phase Control Motor With its phase control motor, you can adjust the indoor unit fan speed depending on the installation condition. If the external static pressure is high so that the duct becomes longer or if the external static pressure is low so that the duct becomes shorter, adjust the fan speed by referring the following table. -
Page 18: Setting Up The Mode Option
Setting Up the Mode Option Setting Option Setup Method For example) Option Code : Prepare of the Option Setup mode. a. Take out the batteries of remote control. b. Press the button simultaneously and insert the battery again. c. Make sure the remote control display shows as Enter the Option Setup mode and select your option according to the following procedure. - Page 19 Press the button, then the default value is Press the button to set the display panel to Every time you press the button, the display panel reads repeatedly. Press the button to set the display panel to Every time you press the button, the display panel reads repeatedly.
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Page 20: Option Items
Option items Model SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 EH035CAV EH052CAV EH070CAV This option code is pre-set when indoor unit is produced at the factory. -
Page 21: Assigning Address To Indoor Unit
Assigning Address to Indoor Unit Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan. The address of the indoor unit is assigned by adjusting MAIN(SW02) and RMC(SW04) rotary switches. SW02 SW04 SW05 SW06... -
Page 22: Additional Functions
Additional Functions Compensation for lost temperature in heating operation N Reduces the difference between an actual room temperature and a sensed temperature by the air conditioner when heating. Switch ON Switch OFF Switch No. K5 K6 K7 K8 2°C compensation 5°C compensation SW06 Adjusting filter cleaning cycle... - Page 23 External Control You must adjust the K11 when you use external control. Switch No. Switch ON Switch OFF K 9 K10 K11 K12 external control external control No use of Use of SW07 You can use external control when the K11 switch is turned off. Operation ON/OFF Function Connector No.
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Page 24: Filter Replacement (Optional)
Filter Replacement (Optional) There are 2 kinds of air inlet as follows; they should be installed according to the following instruction. Accessories Bracket Filter Cap filter filter Appearance When air enters back side When air enters bottom side Installation Diagram When air enters back side Diffuser Suction Grille... -
Page 25: Installation Method
Installation Method The shape and installation method are subject to change according to the models. When air enters back side Fix the indoor unit support to the top of the air inlet with screws. When air enters bottom side Fix the cover to the back of the product with screws. Put pads on the support. -
Page 26: Drain Pump Installation (Optional)
Drain pump Installation (Optional) Accessories Drain pump & Flexible Flexible hose Drain cap Float switch hose pump Screw Clamp Insulation Cable-tie Separate the bracket of the indoor unit and fix it with the drain pump. Fix it with 3 screws. Connect the drain pump and the flexible hose pump. - Page 27 N Before installing the optional kits, ensure that you have turned off the main power. N You should use the original drain pump made in Samsung. If you assemble the drain pump, you are responsible for every claim caused from the drain pump you assembled.
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Page 28: Troubleshooting
Troubleshooting Detection of errors N If an error occurs during the operation, an LED flickers and the operation is stopped except the LED. N If you re-operate the air conditioner, it operates normally at first, then detect an error again. LED Display on the receiver &... - Page 29 LED Display Indicators Concealed Type Green Red Abnormal conditions Remark Standard Type [Self diagnosis] Power voltage detection between indoor and outdoor unit communication cable [Self diagnosis] Outdoor unit refrigerant leakage (Gas leak) [Self diagnosis] Outdoor fan restriction error [Inverter] Inverter compressor operation failure [Inverter] DC peak error [Inverter] DC Link voltage 150V or less, 410V or more...
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Page 30: Wired Remote Controller
Troubleshooting (Continued) Wired remote controller N If an error occurs, is displayed on the wired remote controller. If you would like to see an error code, press the Test button. Outdoor unit Display Explanation Remark Indoor unit Communication Error Indoor/Outdoor unit Communication Time Out Error 60 Packet Over data Communication ERROR Indoor unit is not connected... - Page 31 Indoor unit Display Explanation Indoor unit communication reception error Communication error between the outdoor and indoor unit Indoor unit temperature sensor (Short/Open) Indoor unit Eva In sensor (Short/Open) Indoor unit Eva Out sensor (Short/Open) Indoor unit Eva In sensor secession Indoor unit Eva Out sensor secession Indoor Eva In and Out sensor secession error Secondary(Electronic)heater sensor 1 error...
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Page 32: Parts List
Parts list Receiver & Display Unit Accessories Concealed type N Receiver & display unit N Wire kit Receiver & STS 2S-2x10 2S-4x12 Owner’s Installation Wire kit display unit tapped screw tapped screw instructions manual Standard type N Receiver & display unit N Wire kit Receiver &... - Page 33 ELECTRONICS Printed in Korea...
- Page 34 INSTALLATION MANUAL UH035CAV UH052CAV UH070CAV System Air Conditioner (Cooling and Heating) E S F DB98-27564A(1)
- Page 35 Safety Precautions The following safety precautions must be taken when using your air conditioner. Risk of electric shock. • Can cause injury or death. • Disconnect all WARNING remote electric power supplies before servicing, installing or cleaning. • This must be done by the manufacturer or its service agent or a similar qualified person in order to avoid a hazard.
- Page 36 Contents Preparation for outdoor unit installation ............Deciding on where to install the outdoor unit ..........Outdoor unit installation ................Connecting the cable .................. Connecting the refrigerant pipe ..............Connecting up and removing air In the circuit ..........Cutting / Flaring the pipes ................Performing leak tests ..................
- Page 37 Type of outdoor unit Design Heat Model R410A UH035CAV UH052CAV UH070CAV pump...
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Page 38: Preparation For Outdoor Unit Installation
Preparation for outdoor unit installation Moving the Outdoor Unit by Wire Rope Wire rope Fasten the outdoor unit by two 8m or longer wire ropes as shown at the figure. To prevent from damage or scratches, insert a piece of cloth between the outdoor unit and rope, Plate protection cloth then move the unit. -
Page 39: Deciding On Where To Install The Outdoor Unit
Deciding on where to install the outdoor unit Outdoor Unit N The outdoor unit must not be placed on its side or upside down, as the compressor lubrication oil will run into the cooling circuit and seriously damage the unit. N Choose a location that is dry and sunny, but not exposed to direct sunlight or strong winds. - Page 40 Space Requirements for Outdoor Unit When installing 1 outdoor unit Unit : mm ❋ When the air outlet is opposite the wall ❋ When the air outlet is towards the wall 2000 or more 300 or more 600 or more ❋...
- Page 41 Deciding on where to install the outdoor unit (Continued) When installing more than 1 outdoor unit Unit : mm ❋ When the air outlet is towards the wall 300 or more 600 or more 600 or more 600 or more ❋...
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Page 42: Outdoor Unit Installation
Outdoor unit installation The outdoor unit must be installed on a rigid and stable base to avoid any increase in the noise level and vibration, particularly if the outdoor unit is to be installed in a location exposed to strong winds or at a height, the unit must be fixed to an appropriate support(wall or ground). - Page 43 Connecting the cable Two electronic cables must be connected to the outdoor unit. The connection cord between indoor unit and outdoor unit. The power cable between outdoor unit and auxiliary circuit breaker. Specially for Russian and European market, before installation, the supply authority should be consulted to determine the supply system impendance to ensure compliance.
- Page 44 Wiring Diagram of Power Cable When using ELB for 1 phase N Outdoor unit Power Supply MCCB Electrical component box MCCB Communication Cable wire clamp Connection wire Main power wire Indoor Unit N You should connect the power cable into the power cable terminal and fasten it with a clamp.
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Page 45: Connecting The Cable
Connecting the cable (Continued) Wiring Diagram of Connection Cord Indoor Unit Outdoor Unit... -
Page 46: Connecting The Refrigerant Pipe
Connecting the refrigerant pipe Refrigerant Piping System Pipe length or height Refrigerant piping system table UH052CAV UH035CAV UH070CAV Max. allowable Actual pipe L0 + H + L1 65.6ft or less 98.4ft or less length length Allowable Actual pipe 39.4ft or less 49.2ft or less height length length... -
Page 47: Connecting Up And Removing Air In The Circuit
Connecting up and removing air In the circuit The air in the indoor unit and in the pipe must be purged. If air remains in the refrigeration pipes, it will affect the compressor, reduce to cooling capacity and Outdoor unit could lead to a malfunction. -
Page 48: Cutting / Flaring The Pipes
Cutting / Flaring the pipes Make sure that you have the required tools available (pipe cutter, reamer, flaring tool and pipe holder). If you wish to shorten the pipes, cut it with a pipe cutter, taking care to ensure that the cut edge remains at a 90° angle with the side of the pipe. Refer to the illustrations below for examples of edges cut correctly and incorrectly. -
Page 49: Performing Leak Tests
Performing leak tests Before completing the installation (insulation of the hose and piping), you must check that there are no gas leaks. To check for gas leaks on the... Then, using a leak detector, check the... Outdoor unit Valves on sections A and B. ❊... -
Page 50: Using Stop Valve
Using stop valve To Open the Stop Valve Open the cap and turn the stop valve counterclockwise by using a hexagonal wrench. Service port Turn it until the axis is stopped. N Do not apply excessive force to the stop valve and always use special instruments. -
Page 51: Adding Refrigerant
Adding refrigerant The outdoor unit is loaded with sufficient refrigerant for the standard piping. Thus, refrigerant must be added if the piping is lengthened. This operation can only be performed by a qualified refrigeration specialist. For quantity of adding refrigerant, refer to page 19. Check that the stop valve is closed entirely. - Page 52 Thus, make sure the outdoor unit situation before adding refrigerant. This operation can only be performed by a qualified refrigeration specialist. Model “Q”(R410A) “P” Indoor unit EH035CAV EH052CAV EH070CAV Outdoor unit 0~49.2ft : - UH035CAV 24.6ft 49.2~65.6 ft :0.16 oz/ft 24.6ft...
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Page 53: Checking Correct Grounding
Checking correct grounding If the power distribution circuit does not have an earth or the ground does not comply with specifications, an grounding electrode must be installed. The corresponding accessories are not supplied with the air conditioner. Select an grounding electrode that complies with the specifications given in the illustration. -
Page 54: Setting Up Option Switches
Setting up option switches Display Check Mode Display Green Yellow Meaning Pattern Normal Mode Test Operation at Cooling Mode Test Operation at Heating Mode Blink Number of Press Operation Operation Condition LED Pattern time (K1) Test Mode Normal Mode LED OFF Test operation of Test Mode 3 pattern... -
Page 55: Testing Operations
Testing operations Check the power supply between the outdoor unit and the auxiliary circuit breaker. N Single phase power supply: L, N Check the indoor unit. 2-1 Check that you have connected the power and communication cables correctly. (If the power cable and communication cables one mixed up or connected incorrectly, the PCB will be damaged.) 2-2 Check the thermistor sensor, drain pump/hose, and display are connected correctly. -
Page 56: Troubleshooting
Troubleshooting Outdoor unit If an error occurs during the operation, it is displayed on the outdoor unit PCB. LED Display Meaning Green Yellow IPM Over Current(O.C) Comp starting error Comp lock error DC-Link voltage under/over error Outdoor temp sensor error Discharge over temperature Discharge temp sensor error Current sensor error... -
Page 57: Parts List
Parts list Receiver & Display Unit Accessories Concealed type N Receiver & display unit N Wire kit Receiver & STS 2S-2x10 2S-4x12 Owner’s Installation Wire kit display unit tapped screw tapped screw instructions manual Standard type N Receiver & display unit N Wire kit Receiver &... - Page 58 ELECTRONICS...