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E-

5

ENGLISH

Indoor Unit

5mm

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.

Space Requirements for Indoor Unit

You must have 5mm 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.

1398mm x 400mm or more

(A space for repair and service)

 EH035EAV_IM_E_25807  3/24/06 7:21 PM  Page 5

Summary of Contents for UH026EAV Series

Page 1: ...ENGLISH ESPAÑOL FRANÇAIS ITALIANO PORTUGUÊS DEUTSCH A K I N H E E S F DB98 27564A 1 EH035CAV EH052CAV EH070CAV INSTALLATION MANUAL System Air Conditioner Cooling and Heating ...

Page 2: ... This appliance should be installed according to the provided installation instruction WARNING INSTALLING THE UNIT If the power cord of this air conditioner is damaged it must be replaced by the manufacturer its 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 circu...

Page 3: ...igerant Pipe 10 Cutting Flaring the Pipes 11 Performing Leak Test Insulation 12 Drain Pipe and Drain Hose Installation 13 Connecting the Connection Cord 15 Adjusting Air Flow 17 Setting Up the Mode Option 18 Assigning Address to Indoor Unit 21 Additional Functions 22 Filter Replacement Optional 24 Drain pump Installation Optional 26 Troubleshooting 28 Parts list 32 Contents ...

Page 4: ...irst consult your dealer E 4 Accessories General The following accessories are supplied with the indoor unit The type and quantity may differ depending on the specifications Installation Manual Insulation Cover Pipe in Insulation Drain Insulation Cover Pipe out Insulation Cover Drain Insulation Pipe in Insulation Pipe out Rubber Cable Tie Flexible hose Flexible hose clamp User s manual Cable tie C...

Page 5: ...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 Space Requirements for Indoor Unit You must have 5mm or more space between the ceiling and the bottom of indoor unit Otherwise the noise from the vibration of indoor unit may bother the ...

Page 6: ...onnection Power supply connection Air discharge grille flange Air inlet grille flange ø6 35 1 4 ø9 52 3 8 M8 M10 No Name Remark Drawing of the indoor unit Unit mm 8 100 800 860 Air outlet duct flange 477 Suspension position 600 28 28 900 Service space Inspection hole 22 ø3 2 Hole All around Discharge side 182 246 333 OD32 30 5 199 151 6 18 100 72 5 55 115 5 145 5 Suction side 11 9 71 100 10 3 256 ...

Page 7: ...onnection Gas pipe connection Drain pipe connection Drain pipe connection Power supply connection Air inlet grille flange Air filter Hook ø6 35 ø12 70 052 ø15 88 070 OD32 ID26 Using drain pump Optional For M8 M10 No Name Remark Unit mm 052 070 ...

Page 8: ...ure 2 Install the suspension bolts depending on the ceiling type 3 Screw eight nuts to the suspension bolts making space for hanging the indoor unit Make sure you have space for hanging the indoor unit 4 Hang the indoor unit to the suspension bolts between two nuts 5 Screw the nuts to suspend the unit 6 Adjust level of the unit by using measurement plate for all 4 sides 7 Refer to pages 6 7 for th...

Page 9: ...ntil you are ready to connect the piping N N N No o o ot t t te e e e 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: ...e water on the outside of pipe falling onto the floor and the efficiency of the unit will be better 2 Cut off any excess foam insulation 3 Be sure that there must be no crack or wave on the bended area 4 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 5 If the pipes must be shortened re...

Page 11: ...correctly 2 To prevent any gas from leaking out remove all burrs at the cut edge of the pipe using a reamer 3 Slide a flare nut on to the pipe and modify the flare 4 Check that the flaring is correct referring to the illustrations below for examples of incorrect flaring 5 Align the pipes and tighten the flare nuts first manually and then with a torque wrench applying the following torque 6 Outer D...

Page 12: ...cker Acrylonitrile Butadien Rubber separately around each refrigerant pipe 1 Wind insulating tape around the pipes 2 Finish wrapping insulating tape around the rest of the pipes leading to the outdoor unit 3 Always make the seam of pipes face upwards N N N No o o ot t t te e e e Leak Test Insulation Insulation cover pipe Be sure to overlap the insulation Indoor Unit C C C CA A A AU U U UT T T TI I...

Page 13: ...drops N N N No o o ot t t te e e e Insert the flexible hose to the drain hose port 1 Fix the flexible hose to the indoor unit with the supplied cable clamp securely Use the screwdriver to fix the flexible hose securely N N N No o o ot t t te e e e Install the drain hose so that its length can be as short as possible Internal diameter of the drain hose should be the same or slightly bigger than the...

Page 14: ... to flow backwards when the unit is stopped resulting in water leaks Do not apply force to the piping on the unit side when connecting the drain hose The hose should not be allowed to hang loose from its connection to the unit Fasten the hose to a wall frame or other support as close to the unit as possible Upward gradient Support pieces Ceiling Ceiling 20mm or more 550mm or less Ceiling Flexible ...

Page 15: ...ent box cover carefully tightening the screw For connection cord use the grade H07RN F or H05RN F materials 4 Between Indoor and Outdoor Connection Cord Specifications 208 230V 60Hz 10 0 75mm2 2 wires Ø 1 6mm 1 wire 0 75mm2 2 wires 0 75 1 25mm2 2 wires Power Supply Single Phase Power Supply Max Min V Connection Wire Earth Cable Communication Cable Home server C C C CA A A AU U U UT T T TI I I IO O...

Page 16: ... 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 E 16 1 L 2 N Vc Vc Vw Vw F1 F2 V1 V2 F3 F4 Receiver Display Unit Optional Float Switch Drain Pump Optional Wired Remote Controller MAIN PCB 1ø 208 230V 60Hz MAIN POWER Indoor unit outdoor unit ...

Page 17: ...xternal static pressure of the installation place is in When it is out of input the appropriate option code If you input the inappropriate option code error may occur or the air conditioner is out of order The option code must be inputted correctly by the installation specialist or service agent N N N No o o ot t t te e e e External static pressue mmAq Min 0 Normal 2 Max 3 035 Static Pressure mmAq...

Page 18: ...s or repeatedly 1 2 3 4 5 6 1 2 3 4 5 6 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 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 ...

Page 19: ...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 Check you made right selections upon completion of the selection 3 a Press the button once to check the former part of option code you inputted The display part shows b Press t...

Page 20: ...from the remote control b Insert the battery into the remote control again c Press the towards the indoor unit If all indicators of the indoor unit are flashing plug out the power plug and plug it in again Then press the button If the air conditioner does not operate normally or all lamps indicators flash check that the correct option code is set up N N N No o o ot t t te e e e Option items E 20 M...

Page 21: ...e RMC address if you install the wired remote controller and or the centralized controller 3 If you install optional accessories such as the wired remote controller centralized controller etc see an appropriate installation manual 4 If an optional accessory is not installed you do not have to set the RMC address However adjust K1 and K2 switches of the SW05 DIP switch to ON position in this case 5...

Page 22: ... can adjust the cycle for filter sign indicator K5 2 C compensation 5 C compensation Switch No Switch ON Switch OFF K6 1000 hours 2000 hours Switch No Switch ON Switch OFF Hot water heater You must adjust the K7 when you install the hot water heater K7 No use of hot water heater Use of hot water heater Switch No Switch ON Switch OFF Additional Functions E 22 SW06 K5 K6 K7 K8 SW06 K5 K6 K7 K8 SW06 ...

Page 23: ...nal control when the K11 switch is turned off Operation ON OFF Function CN83 RED Operation ON Operation OFF Connector No SHORT OPEN Operation State Display PIN 1 and 2 of CN81 RED PIN 3 and 4 of CN81 RED 12V Out if any error occurs 12V Out when the compressor is operating Connector No Function CN83 RED ON OFF Switch Comp Status Display Error Display AC 220V Sub PCB CN81 RED SW07 K9 K10 K11K12 ...

Page 24: ...stalled according to the following instruction Bracket filter 2 Filter 2 Cap filter 1 Accessories Appearance Installation Diagram When air enters back side When air enters bottom side When air enters back side When air enters bottom side Suction Grille TEX TEX Diffuser Diffuser Suction Grille ...

Page 25: ...r pad between the indoor unit and the support 4 When air enters back side Fix the indoor unit support to the top of the air inlet with screws 1 Put pads on the support 2 Put the indoor unit on the support 3 Installation Method When air enters bottom side Fix the cover to the back of the product with screws ...

Page 26: ... the drain pump N N N No o o ot t t te e e e Fix it with 3 screws N N N No o o ot t t te e e e Accessories Connect the flexible hose to the flexible hose pump 3 Check a rubber ring is installed to the drain pump Stop the drain hole of the drain cushion with a drain cap Insulate the flexible hose N N N No o o ot t t te e e e Flexible hose pump 1 Drain pump Float switch 1 Drain cap 1 Flexible hose 1...

Page 27: ... side of the indoor unit with an insulating materials N N N No o o ot t t te e e e Switch No K4 Switch Position ON OFF Using Drain Pump X O C C C CA A A AU U U UT T T TI I I IO O O ON N N N The drain pump must be installed by an installation specialist Before installing the optional kits ensure that you have turned off the main power You should use the original drain pump made in Samsung If you as...

Page 28: ... re operate the air conditioner it operates normally at first then detects an error again 1 Indoor unit error Display is unrelated with operation 2 Outdoor unit error Display is unrelated with operation Power reset Error of temperature sensor in indoor unit OPEN SHORT Error of heat exchanger sensor in indoor unit Error of outdoor temperature sensor Error of the condensor temperature sensor Error o...

Page 29: ...r fan restriction error Inverter Inverter compressor operation failure Inverter DC peak error Inverter DC Link voltage 150V or less 410V or more Inverter Compressor rotation error Inverter Electric current error Inverter DC Link sensor error Inverter EEPROM READ WRITE error Inverter Inverter zerocrossing error Setting the outdoor unit capacity option error Detection of the float switch Error of se...

Page 30: ...ompressor Discharge Temp sensor Error OPEN SHORT ERROR Indoor Float S W 2nd Detection Outdoor unit Indoor unit Communication wire Voltage Detection Outdoor unit Refrigerant Full Leakage Gas Leak Outdoor door Fan Error Inverter Inverter Comp Start Failure Inverter DC PEAK Error Inverter DC LINK Voltage 150V below 410V Over Inverter Comp Rotation Error Inverter Current Sensor Error Inverter DC LINK ...

Page 31: ... Eva Out sensor secession Indoor Eva In and Out sensor secession error Secondary Electronic heater sensor 1 error Secondary Electronic heater sensor 2 error Secondary Electronic heater sensor 3 error Indoor unit float S W 2nd detection Indoor fan error Mixed operation error EEPROM error EEPROM option setting error Error regarding special sales taxes Electronic heater discharge temperature protecti...

Page 32: ...S 2x10 tapped screw 2 Owner s instructions 1 Installation manual 1 Installation manual 1 Wire kit 1 Receiver display unit 1 Wire kit 1 Installation manual 1 Wireless Remote Controller Accessories Wired Remote Controller Accessories Receiver display unit 1 Wireless remote controller 1 Wired remote controller 1 Cable tie 2 Cable clamp 5 M4x16 tapped screw 7 Indoor unit power drawing cable 1 Wire joi...

Page 33: ...ELECTRONICS Printed in Korea ...

Page 34: ...564A 1 N A I S S U R H S I L G N E L O Ñ A P S E S I A Ç N A R F O N A I L A T I S Ê U G U T R O P H C S T U E D A K I N H E INSTALLATION MANUAL UH035CAV UH052CAV UH070CAV System Air Conditioner Cooling and Heating ...

Page 35: ...e impacts and so on WARNING INSTALLING THE UNIT If the power cord of this air conditioner is damaged it must be replaced by the manufacturer its 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 ...

Page 36: ...ecting the refrigerant pipe 13 Connecting up and removing air In the circuit 14 Cutting Flaring the pipes 15 Performing leak tests 16 Connecting the drain hose to the outdoor unit 16 Insulation 16 Using stop valve 17 Adding refrigerant 18 Checking correct grounding 20 Setting up option switches 21 Testing operations 22 Troubleshooting 23 Parts list 24 Contents ...

Page 37: ...E 4 Type of outdoor unit A Design Model Heat pump UH035CAV R410A UH052CAV B C UH070CAV ...

Page 38: ...ving the Outdoor Unit by 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 then move the unit Plate protection cloth Wire rope ...

Page 39: ...ace that can support its weight and does not generate any unnecessary noise and vibration Position the outdoor unit so that the air flow is directed towards the open area Maintain sufficient clearance around the outdoor unit especially from a radio computer stereo system etc If the outdoor unit is installed at a height ensure that its base is firmly fixed in position Make sure that the water dripp...

Page 40: ... are blocked by the wall 1500 or more 2000 or more The upper part of the outdoor unit and the air outlet is towards the wall 600 or more 300 or more The upper part of the outdoor unit and the air outlet is opposite the wall 300 or more 1500 or more When front and rear side of the outdoor unit is towards the wall Unit mm Space Requirements for Outdoor Unit When installing 1 outdoor unit ...

Page 41: ...00 or more 3000 or more 300 or more 3000 or more 600 or more 600 or more 300 or more 1500 or more 600 or more 600 or more 600 or more When 3 sides of the outdoor unit are blocked by the wall When front and rear side of the outdoor unit is towards the wall When front and rear side of the outdoor unit is towards the wall When installing more than 1 outdoor unit ...

Page 42: ...lled 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 Make a drain outlet around the base for outdoor unit drainage If the outdoor unit is installed on the roof you have to check the ceiling strengt...

Page 43: ...s 2 5mm2 3 Wires 98 4ft or less 2 5mm2 3 Wires 208 230V 60Hz 187 253 Frame 30A Trip 30A 30A Power Cable MCCB ELB Single Phase Between Indoor and Outdoor Connection Cord Specifications 208 230V 60Hz 10 0 75mm2 3 wires 0 75mm2 3 wires 0 75mm2 2 wires 0 75mm2 2 wires A B C Power Supply Single Phase Communication Cable Type Power Supply Max Min V Connection Wire Example of Air Conditioner System Indoo...

Page 44: ... life of the condenser If the unbalanced power is exceeded over 4 of 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 p...

Page 45: ...Connecting the cable Continued E 12 Wiring Diagram of Connection Cord Indoor Unit Outdoor Unit ...

Page 46: ... Refrigerant Piping System Refrigerant piping system table Max allowable length Actual pipe length L0 H L1 Allowable height length Actual pipe length H 49 2ft or less 39 4ft or less 98 4ft or less 65 6ft or less Pipe length or height UH052CAV UH070CAV UH035CAV ...

Page 47: ...fold gauge to the packed valve having a service port as shown at the figure 3 Open the valve of the low pressure side of manifold gauge counterclockwise 4 Purge the air from the system using vacuum pump for about 10 minutes Close the valve of the low pressure side of manifold gauge clockwise Make sure that pressure gauge show 0 1MPa 76cmHg after about 10 minutes This procedure is very important in...

Page 48: ...he 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 19 05 mm 3 4 2 2mm 22 23 mm 7 8 2 2mm 4 Align the pipes and tighten the flare nuts first manually and then with a torque wrench applying the following torque Outer Diameter Torque kgf cm 6 35 mm 1 4 140 170 9 52 mm 3 8 250 280 12 70 mm 1 2 380 420 15 88 mm 5 8 440 480 19 05 mm 3 4 990 1210 2...

Page 49: ...nsulation T13 0 or thicker Acrylonitrile Butadien Rubber for the gas refrigerant pipe N N N No o o ot t t te e e e No gap NBR T13 0 or thicker When using the air conditioner in the heating mode ice may accumulate During de icing the condensed water must be drained off safely Consequently you must install a drain hose on the outdoor unit following the instructions below Make space more than 50mm be...

Page 50: ...by using a hexagonal wrench Turn it until the axis is stopped 1 2 Tighten the cap securely 3 Do not apply excessive force to the stop valve and always use special instruments Otherwise the stopping box can be damaged and the back sheet can leaks If the watertight sheet leaks turn the axis back by half tighten the stopping box then check the leakage again If there is no leakage any more tighten the...

Page 51: ... cannot charge the refrigerant according to the upper steps following these 3 1 Open both liquid stop valve and gas stop valve 3 2 Operate the air conditioner by pressing the K2 key on the outdoor unit PCB 3 3 About 30 minutes later charge the refrigerant through the service port of gas stop valve 3 Do not charge the refrigerant through the gas side service port N N N No o o ot t t te e e e If nec...

Page 52: ...nt for extra meter For maximum piping length and height refer to page 13 The quantity of additional refrigerant is variable according to the installation situation Thus make sure the outdoor unit situation before adding refrigerant This operation can only be performed by a qualified refrigeration specialist Piping length a 16 4ft 24 6ft 31 2ft UH052CAV 1 41oz Additional charging amount UH070CAV 1 ...

Page 53: ... the pipes leading to the outdoor unit 3 Install a green yellow coloured grounding wire If the grounding wire is too short connect an extension lead in a mechanical way and wrapping it with insulating tape do not bury the connection Secure the grounding wire in position with staples 4 Carefully check the installation by measuring the grounding resistance with a ground resistance tester If the resi...

Page 54: ...ow Meaning Normal Mode Test Operation at Cooling Mode Test Operation at Heating Mode Blink On 1 2 3 4 Number of Press time K1 Operation Operation Condition LED Pattern Test Mode Test operation of Heating Mode Test operation of Cooling Mode EXIT Normal Mode Test Mode Heating Mode Cooling Mode LED OFF 3 pattern 2 pattern 1 pattern ...

Page 55: ...L N 1 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 2 Press K1 on the outdoor unit PCB 3 ...

Page 56: ...Link voltage under over error Outdoor temp sensor error Discharge over temperature Discharge temp sensor error Current sensor error Comp Vlimit error Coil temp sensor error 1min time out Comm Fan error OTP error Comp rotation error Operation condition secession DC Link voltage sensor error I_Trip error PFC Over current GAS Leak error AC Line Zero Cross Signal out Capacity miss match 4 6 7 8 9 10 1...

Page 57: ...S 2x10 tapped screw 2 Owner s instructions 1 Installation manual 1 Installation manual 1 Wire kit 1 Receiver display unit 1 Wire kit 1 Installation manual 1 Wireless Remote Controller Accessories Wired Remote Controller Accessories Receiver display unit 1 Wireless remote controller 1 Wired remote controller 1 Cable tie 2 Cable clamp 5 M4x16 tapped screw 7 Indoor unit power drawing cable 1 Wire joi...

Page 58: ...ELECTRONICS ...

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