Haier 18VHJ(DB) Service manual
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SERVICE MANUAL Order No.$&69 Wall mounted Type DC Inverter E-Series Model No. HSU12/18VHJ(DB) WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death © (Qingdao Haier Air Conditioner General corp.,Ltd) All right reserved .Unauthorized copying and distribution is a violation of law Haier Group HSU12/18VHJ(DB) 9 19 M of indoor unit 19 Main functions and control specifications of outdoor unit 25 Function of main thermistor 30 4 Value of thermistor 31 46 46 46 Service Diagnosis Caution for diagnosis 54 54 54 3 Error codes and description indoor display 55 68 72 For 12K indoor unit 72 For 18K indoor unit 82 For 12/18K outdoor unit 91 12/ VHJ(DB) 101 101 102 106 Introduction +6812/VHJ(DB) 1. Introduction 1.1 Safety Cautions Be sure to read the following safety cautions before conducting repair work. The caution items are classified into “Warning” and “Caution”. The “Warning” items are especially important since they can lead to death or serious injury if they are not followed closely. The “Caution” items can also lead to serious accidents under some conditions if they are not followed. Therefore, be sure to observe all the safety caution items described below. About the pictograms This symbol indicates an item for which caution must be exercised. The pictogram shows the item to which attention must be paid. This symbol indicates a prohibited action. The prohibited item or action is shown inside or near the symbol. This symbol indicates an action that must be taken, or an instruction. The instruction is shown inside or near the symbol. After the repair work is complete, be sure to conduct a test operation to ensure that the equipment operates normally, and explain the cautions for operating the product to the customer. 1.1.1 Caution in Repair Warning Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for a repair. Working on the equipment that is connected to a power supply can cause an electrical shook. If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits, do not touch any electrically charged sections of the equipment. If the refrigerant gas discharges during the repair work, do not touch the discharging refrigerant gas.The refrigerant gas can cause frostbite. When disconnecting the suction or discharge pipe of the compressor at the welded section, release the refrigerant gas completely at a well-ventilated place first. If there is a gas remaining inside the compressor, the refrigerant gas or refrigerating machine oil discharges when the pipe is disconnected, and it can cause injury. If the refrigerant gas leaks during the repair work, ventilate the area. The refrigerant gas can generate toxic gases when it contacts flames. The step-up capacitor supplies high-voltage electricity to the electrical components of the outdoor unit. Be sure to discharge the capacitor completely before conducting repair work.A charged capacitor can cause an electrical shock. Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug. Plugging or unplugging the power cable plug to operate the equipment can cause an electrical shock or fire. 1 Domestic Air Conditioner +6812/VHJ(DB) Introduction Warning Do not repair the electrical components with wet hands. Working on the equipment with wet hands can cause an electrical shock. Do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical shock. Be sure to provide the grounding when repairing the equipment in a humid or wet place, to avoid electrical shocks. Be sure to turn off the power switch and unplug the power cable when cleaning the equipment. The internal fan rotates at a high speed, and cause injury. Do not tilt the unit when removing it. The water inside the unit can spill and wet the furniture and floor. Be sure to check that the refrigerating cycle section has cooled down sufficiently before conducting repair work. Working on the unit when the refrigerating cycle section is hot can cause burns. Use the welder in a well-ventilated place. Using the welder in an enclosed room can cause oxygen deficiency. 1.1.2 Cautions Regarding Products after Repair Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work. Never attempt to modify the equipment. The use of inappropriate parts or tools can cause an electrical shock, excessive heat generation or fire. When relocating the equipment, make sure that the new installation site has sufficient strength to withstand the weight of the equipment. If the installation site does not have sufficient strength and if the installation work is not conducted securely, the equipment can fall and cause injury. Be sure to install the product correctly by using the provided standard installation frame. For Incorrect use of the installation frame and improper installation can cause the equipment to fall, resulting in injury. integral units only Be sure to install the product securely in the installation frame mounted on a window frame. If the unit is not securely mounted, it can fall and cause injury. For integral units only 2 Domestic Air Conditioner +6812/VHJ(DB) Introduction Warning Be sure to use an exclusive power circuit for the equipment, and follow the technical standards related to the electrical equipment, the internal wiring regulations and the instruction manual for installation when conducting electrical work. Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire. Be sure to use the specified cable to connect between the indoor and outdoor units. Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals. Improper connections can cause excessive heat generation or fire. When connecting the cable between the indoor and outdoor units, make sure that the terminal cover does not lift off or dismount because of the cable. If the cover is not mounted properly, the terminal connection section can cause an electrical shock, excessive heat generation or fire. Do not damage or modify the power cable. Damaged or modified power cable can cause an electrical shock or fire. Placing heavy items on the power cable, and heating or pulling the power cable can damage the cable. Do not mix air or gas other than the specified refrigerant (R-410A / R22) in the refrigerant system. If air enters the refrigerating system, an excessively high pressure results, causing equipment damage and injury. If the refrigerant gas leaks, be sure to locate the leak and repair it before charging the refrigerant. After charging refrigerant, make sure that there is no refrigerant leak. If the leak cannot be located and the repair work must be stopped, be sure to perform pump-down and close the service valve, to prevent the refrigerant gas from leaking into the room. The refrigerant gas itself is harmless, but it can generate toxic gases when it contacts flames, such as fan and other heaters, stoves and ranges. When replacing the coin battery in the remote controller, be sure to disposed of the old battery to prevent children from swallowing it. If a child swallows the coin battery, see a doctor immediately. Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site, to prevent electrical shocks. Do not install the equipment in a place where there is a possibility of combustible gas leaks. If a combustible gas leaks and remains around the unit, it can cause a fire. Be sure to install the packing and seal on the installation frame properly. If the packing and seal are not installed properly, water can enter the room and wet the furniture and floor. For integral units only 3 Domestic Air Conditioner +6812/VHJ(DB) Introduction 1.1.3 Inspection after Repair Warning Check to make sure that the power cable plug is not dirty or loose, then insert the plug into a power outlet all the way. If the plug has dust or loose connection, it can cause an electrical shock or fire. If the power cable and lead wires have scratches or deteriorated, be sure to replace them. Damaged cable and wires can cause an electrical shock, excessive heat generation or fire. Warning Do not use a joined power cable or extension cable, or share the same power outlet with other electrical appliances, since it can cause an electrical shock, excessive heat generation or fire. Caution Check to see if the parts and wires are mounted and connected properly, and if the connections at the soldered or crimped terminals are secure. Improper installation and connections can cause excessive heat generation, fire or an electrical shock. If the installation platform or frame has corroded, replace it. Corroded installation platform or frame can cause the unit to fall, resulting in injury. Check the grounding, and repair it if the equipment is not properly grounded. Improper grounding can cause an electrical shock. Be sure to measure the insulation resistance after the repair, and make sure that the resistance is 1 M ohm or higher. Faulty insulation can cause an electrical shock. Be sure to check the drainage of the indoor unit after the repair. 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OZ/Inches SL 8 8 9 9 7. 2 7. 2 8. 2 8. 2 6. 3 6. 3 7. 3 7. 3 4.8 4.8 5.8 5.8 16 16 4 4 0.15 33 0.15 0.15 0.15 33 33 33 inches 36 13/14 x 7 1/6 x 10 3/7 inches 39 7/8 x 10 5/6 x13 lbs lbs 41 1/6 x 9 2/5 x 11 3/4 45 x 14 4/9 x 12 21/23 24 32 27.8 36.4 45/ 42/38 45/ 42/38 53 53 7 45/42/40 53 45/42/40 53 HSU12/18VHJ(DB) Rotary Compressor Rotary Compressor DA89X1C-20FZ SNB130FGYM2 pints oz 650 900 ESTER OIL VG74 FV50S 0.65 0.88 R410a R410a 35.27 42.33 31.6 31.6 31.6 31.6 1115 1115 1115 1115 80 80 3.5 3.5 4.9 4.8 780 780 1090 1050 20 80 F 95 F 67 F 75 F 26 inches 21 3/8 x 30 5/6 x 10 2/51 25 1/3 x 30 5/6 x10 2/51 inches 24 1/6 X 36 3/5 X 13 2/5 28 1/9 X 36 3/5 X 13 27/70 lbs 72.8 88.2 lbs 79.4 97 70 F 47 F 53 49 53 49 63 59 63 59 /60° FWB 47 F 16 2/5 feet 8 HSU12/18VHJ(DB) 3ULQWHG&LUFXLW%RDUG&RQQHFWRU:LULQJ'LDJUDP 4.1᧶Indoor unit Connectors FOR 12K Connectors PCB(1) (Control PCB) 1) CN26 Connector for fan motor 2) CN11 Connector for STEP motor 3) CN8 Connector for heat exchanger thermistor and Room temperature thermistor 4)CN27 Connector for fan feedback 5)CH1 Connector for power L wire 6)CON2 Connector for power N wire 7) CON7 Connector for communicate wire 8) CN30 Connector for transformer input 9) CN31 Connector for transformer output 10) CN32 Connector for display board Note: Other designations PCB(1) (INdoor Control PCB) 1) CN48 Connector for Forced operation ON / OFF switch 2) J1 Select 25 or 35 3) LED1 communicate display light 4) RV1 Varistor 5) FUSE1 Fuse 3.15A/250VAC 9 Domestic Air Conditioner HSU12/18VHJ(DB) PCB(1) CN26 CON12 CN27 CN32 CN1 CN11 CON2 CH1 CN30 CON8 CN31 10 Domestic Air Conditioner HSU12/18VHJ(DB) FOR 18K Connectors PCB(1) (Control PCB) 1) CN26 Connector for fan motor 2) CN1 Connector for heat exchanger thermistor and Room temperature thermistor 3) CN11 Connector for UP&DOWN STEP motor 4) CON2 Connector for power N wire 5) CON1 Connector for power L 6) CN32 Connector for display board 7) C0N6 C0N8 Connector for ions generator 8ĐC0N7 Connector for communicate between the indoor board and the outdoor board Note: Other designations PCB(1) (INdoor Control PCB) 1) CN48 Connector for Forced operation ON / OFF switch 2) J1 Select 25 or 35 3) LED1 communicate display light 4) RV1 Varistor 5) FUSE1 Fuse 3.15A/250VAC 11 Domestic Air Conditioner HSU12/18VHJ(DB) PCB(1) CN32 CON7 CN1 CN11 CN48 CON6 CON8 CON1 CON2 CN26 12 Domestic Air Conditioner HSU12/18VHJ(DB) 4.2᧶ Outdoor unit FOR12K Connectors PCB(1) (Control PCB) 1) CN1 CN2 Connector for power N and L 2) CN3 Connector for ground 3) CN22 Connector for DC POWER 15Vand 5V to the module board 4) CN16 Connector for electric expansion valves 5) CN21 Connector for DC fan motor 6) CN10 Connector for four way valve coil 7) CN17 CN18 CN19 CN20 Connector for thermistors (CN20: outdoor air CN19: heat exchanger CN18 :SUCK thermistors CN17 :discharge pipe) 8) CN23 Connector for communicate between the control board and the module board 9) CN25 CN8 Connector for the L N to the module board 10) CN4 Connector for communicate between the indoor board and the outdoor board 11) CN26 Connector for capacitance anode 12) CN24 Connector for capacitance cathode PCB(2) (module PCB) CN10 Connector for the DC power 5V and 15V form the control PCB CN11 Connector for communicate between the control board and the module board P( CN1) N(CN5) Connector for capacitance board LI (CN7) LO(CN6) Connector for reactor CN2 CN3 CN4 Connector for the U V W wire of the compressor Note: Other Designations PCB(1) (Control PCB) 1) FUSE 1 (25A,250VAC) FUSE 2(1A,250VAC) 2)LED 1 keep light representative normal ,if keep flash interval representative trouble Alarm 3)RV1 RV2 RV3 Varistor 13 Domestic Air Conditioner HSU12/18VHJ(DB) PCB(1) CN26 CN24 CN23 CN22 CN21 CN17 CN18 CN19 CN20 CN16 CN4 CN10 CN3 CN1 CN25 CN8 CN2 14 Domestic Air Conditioner HSU12/18VHJ(DB) PCB(2) CN6 CN7 CN11 CN10 CN5 CN4 CN3 CN2 CN1 15 Domestic Air Conditioner HSU12/18VHJ(DB) FOR 18K Connectors PCB(1) (Control PCB) 1) CN1 CN2 Connector for power N and L 2) CN3 Connector for ground 3) CN22 Connector for DC POWER 15Vand 5V to the module board 4) CN16 Connector for electric expansion valves 5) CN21 Connector for DC fan motor 6) CN10 Connector for four way valve coil 7) CN17 CN18 CN19 CN20 Connector for thermistors (CN20: outdoor air CN19: heat exchanger CN18 :SUCK thermistors CN17 :discharge pipe 8) CN23 Connector for communicate between the control board and the module board 9) CN25 CN8 Connector for the L N to the module board 10) CN4 Connector for communicate between the indoor board and the outdoor board 11) CN26 Connector for capacitance anode 12) CN24 Connector for capacitance cathode PCB(2) (module PCB) CN10 Connector for the DC power 5V and 15V form the control PCB CN11 Connector for communicate between the control board and the module board P( CN1) N(CN5) Connector for capacitance board LI (CN7) LO(CN6) Connector for reactor CN2 CN3 CN4 Connector for the U V W wire of the compressor Note: Other Designations PCB(1) (Control PCB) 1) FUSE 1 (25A,250VAC) FUSE 2(1A,250VAC) 2)LED 1 keep light representative normal if keep flash interval representative trouble Alarm 3)RV1 RV2 RV3 Varistor 16 Domestic Air Conditioner HSU12/18VHJ(DB) PCB(1) CN26 CN24 CN23 CN22 CN21 CN17 CN18 CN19 CN20 CN16 CN4 CN10 CN3 CN1 CN25 CN8 CN2 17 Domestic Air Conditioner HSU12/18VHJ(DB) PCB(2) CN6 CN7 CN11 CN10 CN5 CN4 CN3 CN2 CN1 18 Domestic Air Conditioner HSU12/18VHJ(DB) 5.Funcitions and Control 5.1 Main functions and control specification of indoor unit This specification use for HSU12/18VHJ ˄DB˅frequency conversion air condition are manufactured by Haier air condition parent company. "Setting value" (express in parameter) in this specification means is a parameter that is stored in EEPROM. Refer to [EEPROM parameter table]. 5.1.1 Temperature Adjusting function 5.1.1.1 Temperature adjusting of different levels. (DASH operation conditions under different modes) COOL DRY HEAT BLOCK ( 4.0 5.7 3.3 5.0 2.7 4.3 2.0 3.7 1.3 3.0 0.7 1.3 4.7 4.0 3.3 2.7 2.0 1.3 0.7 A HEAT DASH B C DRY DASH D E COOL DASHF G HEAT 4.7 4.0 3.3 2.7 2.0 1.3 5.3 4.7 4.0 3.3 2.7 2.0 1.3 6.3 5.7 5.0 4.3 3.7 3.0 H 0 T COOL DRY 0.7 COMP. STARTS AGAIN <120s 3 MINUTES PROTECTION 5.1.1.2 Select the wind volume when it is set automatic When the wind volume is automatic, it can be switched between strong, medium and weak according to the temperature adjusting levels. Wind volume under the automatic wind volume mode Temperature adjusting levels A B C D E F G H I Strong Strong Strong Strong Strong Medium Weak Weak SLO cooling Strong Strong Strong Medium Medium Weak Weak Weak Moisture removing Strong Medium Medium Medium Weak Weak SLO SLO Heating 19 Domestic Air Conditioner HSU12/18VHJ(DB) 5.1.1.3 Wind volume limit When the compressor is working and the max setting for indoor fan motor is medium or weak, the upper limit of indicated frequency is as follows: Frequency control form for wind volume Limited frequency Limited frequency variables Medium wind volume FQLIMMD 70Hz Weak wind volume FQLIMLO 58Hz Limited frequency for FUPHEAL 48Hz up/down health wind 5.1.2 Main functions 5.1.2.1 Warm boot When the heat running starts or the frost removing ends and the compressor starts again, in order to avoid cold wind, warm boot wind volume control should be done. Heat exchange temperature THHOT3喈37ć˅ THHOT2喈35ć喉 THHOT1喈25ć喉 THHOTR喈23ć˅ 4 minutes Stop slightly weak weak setting weak slightly weak stop To control the indoor fan motor as shown in the table above according to the heat exchange temperature The fan motor stops when the heat exchange temperature is below 25ć The fan motor is working slightly weak when the heat exchange temperature is above25 ć and below 35ć The fan motor is working weak when the heat exchange temperature is above35 ć and below 37ć The fan motor works as set if the he heat exchange temperature remains above 38ć 20 Domestic Air Conditioner HSU12/18VHJ(DB) 5.1.2.2 When the compressor stops and remains idle for 3 minutes 20 seconds after the compressor stops, the up wind volume is weak (switching to SSLO in silent running mode) and then slightly weak. While the down wind volume is stoped If the compressor stops when the heat running starts, the wind volume is weak 5.1.2.3 Dehumidification running Under the dehumidification mode the fan motor stops as the compressor stops The operation is weak after 3 minutes’ idle mode After stand by for 3 minutes, the compressor is on. The compressor operates as the set wind volume when the wind volume is set to be strong, medium or weak The wind volume is decided according to the temperature adjusting when the wind volume is set to be automatic. Moisture removing running Level H 3minutes idle mode Compressor OFF Setting slightly OFF weak weak setting weak 5.1.2.4 Automatic running When the running mode is turned to automation after starting the system, the system will first determine the running mode according to the current room temperature and then will run according to the determined mode. Tr in the following selection conditions means room temperature, Ts means setting temperature, Tp means temperature of indoor coil pipe Tr23ć Choose Cooling Mode Tr˘23ć Choose Heating Mode After turning to the automation mode, the running mode can be switched between cooling mode, fan mode and heating mode according to the change of the indoor ambient temperature. But the automatic conversion between cooling mode and heating mode must be conducted after 15 minutes. 5.1.3 Special functions 5.1.3.1 Powerful running Powerful running for 15 minutes The running stops or ends the powerful running after 15 minutes The mode switch ends the powerful running Enter into the silent mode, normal running mode or timed switching on mode to end the powerful running When in automatic mode, there are powerful and silent functions for your choice. When the main unit 21 Domestic Air Conditioner HSU12/18VHJ(DB) is in cooling mode, it operates with powerful cooling or silent cooling. When the main unit is in heating mode, it operates with powerful heating or silent heating. When the main unit is in wind-sending mode, there are no powerful or silent modes. There is no powerful mode for wind-sending and moisture removing Powerful heating˖ Change the set temperature. With temperature adjusting function The wind volume is the automatic medium When in frost removing mode, the outdoor unit does not accept the communication signal for powerful running After 15 minutes of powerful running, the compressor can not be off within 10 minutes Powerful cooling˖ Change the set temperature. With temperature adjusting function The wind volume is the automatic strong After the compressor starts, there will be no low-intense running protection within 3 minutes 5.1.3.2 Silent running Send the silent running signal to the outdoor unit Under the Silent hearing mode,The wind volume is SSLO after the compressor is on,The wind volume will be kept SSLO within 20 seconds after the compressor stops and then changes to weak Under the Silent cooling mode the wind volume is SSLO There is no silent mode for moisture removing and wind-sending. 5.1.3.3 Air cleaning If the fan motor starts working after receiving the remote-control order, the aion generator starts working and sends out ions. The ion generator stops as the fan motor stops. When the ion generator is OFF and the air cleaning function is on, the fan motor starts running and the ion generator starts working again. 5.1.3.4 Timed running Set the time duration according to the time difference between the clock for timing and the current clock In timing mode, the display panel will flash the light at fixed times Timed OFF Timed When this function is set, operation modes on the panel display will not change. The timing icon will show and the operation stops when the set time comes. When this function is on, the panel display will only display a question mark. ON The unit will operate as the set mode when the time comes. Timed The unit will start operating or stop according to the order of your setting. ON/OFF 22 Domestic Air Conditioner HSU12/18VHJ(DB) 5.1.3.5 Sleeping function a.After setting the sleeping function, the refrigerating mode and dehumidification mode will run as per the following rules: 1 hour 1 hour 6hours T(̧) Ts+4 Ts+2 Ts Sleep OFF t(hour) b.After setting the sleeping function, the heating mode will run as per the following rules: 1 hour 1 hour T(̧) 3hours 3hours Ts Ts-4 Ts-6 Ts-8 Ts Sleep OFF t(hour) As shown in the above diagram, after running for 1 hour under refrigerating mode and dehumidification mode, the setting temperature will increase about2̧; after another 1 hour, it will increase about2̧ again, and after 6 hours, it will cease; after running for 1 hour under heating mode, the setting temperature will decrease about4̧, after another 1 hour, it will decrease the about 4̧ again, and after 3 hours, it will increase about 2̧ , and after other 3 hours, it will cease. 5.1.3.6 Trial running The indicated frequency for trial running is 58Hz, wind volume is strong. The trial running will last for 30 minutes and then the unit will be powered off. The unit will exit the trial running if it receives any remote-control signal during the trial running period. There is no low-intense running protection. 5.1.3.7 Power failure compensation To enter into the function please press the sleep key 10 times with 4 beeps in 7 seconds Under the power failure compensation mode, unplug and plug again ,the indoor unit will resume original operation Under the power failure compensation mode, unplug and plug again, the unit will be on OFF state. Mode, Fan speed, Healthy, Set temperature can be memoried. Swing, Timer, Sleep cannot be memoried Press the sleep key for 10 times with 2 beeps in 7 seconds to exit. 23 Domestic Air Conditioner HSU12/18VHJ(DB) 5.1.3.8 Rated Operation Rated Cooling: When receiving the instruction of indoor unit rated operation, the unit will start rated cooling operation. Rated Heating: When receiving the instruction of indoor unit rated operation, the unit will start rated heating operation. 24 Domestic Air Conditioner HSU12/18VHJ(DB) 5.2 Main functions and control specification of outdoor unit Sensor Code Definition: Tai= Indoor Ambient Temperature, Tao=Outdoor Ambient Temperature, Tc1=Indoor Coil, Td= Air Discharge, Te= Outdoor Coil, Ts=Air Intake 5.2.1 Outdoor Unit Operation Frequency and Control Compressor Operation Frequency Range Compressor Operation Frequency Range: Outdoor Temperature Heating˄Hz˅ İ4 4ī18 ı18 20ī110 20ī90 20ī53 80 Defrosting˄Hz˅ Outdoor Temperature Cooling˄Hz˅ İ23 23ī32 ı32 20ī50 20ī70 20ī95 Compressor Startup Regardless of target frequency of indoor unit, each time when compressor is from off to on, it must maintain 60Hz,90Hz for one minute (Frequency will be immediately decreased under the condition that outdoor unit air discharge temperature overheating protection is activated or over current of compressor) then the compressor will operate towards target frequency. This process does not exist in normal operation of unit. Heating When completing compressor startup operation, it will operate as per frequency of indoor unit. After 2 minutes, compressor operation frequency will be compensated as per relevant conditions. Cooling & Dehumidification: When completing compressor startup operation, it will operate as per frequency of indoor unit. After 2 minutes, compressor operation frequency will be compensated as per relevant conditions. Compressor Frequency Increase/Decrease Speed Rapid Frequency Increase/Decrease Speed 1 ----------1Hz/s Slow Frequency Increase/Decrease Speed 2 -----------1Hz/10s 25 Domestic Air Conditioner HSU12/18VHJ(DB) 5.2.2 Outdoor fan control Compressor startup within 3min ,outdoor fan speed control as follows: <10 10ī25 25 Cooling/ Dehumidification 1 3 7 Heating 5 3 2 Outdoor Temperature fter compressor runs 3min ,outdoor fan speed control as follows: Cooling/ Dehumidification: Compressor Operation Frequency˄Hz ˅ 7DR˄ć˅ <25 25 ī 45 45 32ī38 3 4 7 23ī32 1 2 5 23 ı38 7 Heating: <25 25 ī 45 İ 3 4 7 ī 2 4 7 Compressor Operation Frequency (Hz) 7DR˄ć˅ ı 45 1 Compressor shutdown and outdoor fan residual heat blow process When compressor shuts down in cooling mode, outdoor fan automatically jumps to low speed and blows residual heat for 30s and stop. 5.2.3 Four-way Valve Control Defrosting Four-way Valve Controlˈ(please see defrosting process for details) Time sequence of the defrosting operation is as follows: Four-way Valve Work Status in Other Modes: In heating mode, four-way valve is on. If compressor is off or is switched to non-heating mode, four-way valve ensures that it is off at least 2 minutes after compressor shuts down. 5.2.4 Outdoor Defrosting Control Defrosting Mode Entry Conditions The unit will enter defrosting mode when compressor starts up and operates for 10 minutes continuously in heating mode or after compressor runs for an accumulated time of 45 minutes (Upon completion of defrosting or when switched to cooling mode, compressor accumulated operation time will be cleared) and when 2 minutes’ continuous checking by defrosting sensor TE (check frosting condition of outdoor unit heat exchanger) and outdoor ambient temperature sensor TA meets the following conditions: 26 Domestic Air Conditioner HSU12/18VHJ(DB) TEC×TAˉĮ Among which: C:TA˘0ćˈC=0.8 TA0ćˈC=0.6 For area prone to frost, the value is set at 6 when unit leaves the factory. Defrosting entry temperature control -15ćC×TAˉĮ-5ć Defrosting Time Interval time interval between two defrosting cycles is 45 minutes. Defrosting Operation When defrosting begins, compressor will stop for one minute, external fan is running and 50s later, four-way valve will be off. When compressor starts, external fan will be off, compressor will run at 58Hz for 60s then move on to target frequency of 88Hz. During defrosting, compressor current and air discharge overheat protection features are effective. During defrosting, if compressor shuts down due to activation of protection feature or due to malfunction, it will resume after 3 minutes. In the unit is still within defrosting cycle, it will resume defrosting and startup of compressor will be based on the rule for defrosting startup. (The unit will exit defrosting mode and handle fault in the event of 3 consecutive restart failures.) On entering defrosting, it must guarantee that compressor will operate for a minimum of 2 minutes in defrosting mode before exit. Defrosting Exit Condition When one of the following conditions is met, defrosting operation will be switched to heating operation. ˄1˅:Temperature of outdoor heat exchanger exceeds 7ć for 80s continuously ˄2˅: Temperature of outdoor heat exchanger exceeds 12ć for 5s continuously ˄3˅:Defrosting operation continues for 11 minutes. When defrosting exit conditions are met, the unit will operate as follows Compressor stops and external fan starts, 50s later, four-way valve will be on, 60s later, compressor will operate as per startup process. 5.2.5 PTC Output Control When outdoor unit is energized, PTC output value is 0, 10s later, output value is 1. When compressor stops for 10 minutes continuously, PTC output value is 0. On receiving compressor startup instruction, initial PTC output is 1, and compressor startup will be performed 5s later. 27 Domestic Air Conditioner HSU12/18VHJ(DB) 5.2.6 System Protection Function 5.2.6.1 3 minutes stand-by time Time interval between compressor shutdown and restart is set at 3 minutes to ensure that compressor will only restart after 3-minute shutdown and initial energization valves are turned on to adequate opening position after being fully turned off. 5.2.6.2 TD High Temperature Protections As long as unit is on, the TD air discharge overheat protection feature will be activated, yet air discharge sensor fault must be alarmed 4 minutes after compressor starts. TD˄ć˅ Abnormal Shutdown 117 Rapid frequency drop˄1HZ/s˅ 112 Slow frequency drop (1HZ/10s) 108 Invariable frequency 105 Frequency rise (1HZ/10s) 98 Frequency rise˄1HZ/1 s˅ When TD>117ć for 20s continuouslyˈair discharge overheat protection will be activated and fault will be reported to indoor unit. It will not continue in other conditions. 5.2.6.3 Indoor Heat Exchanger Anti-freeze Protection Anti-freeze during cooling 9ć 1Hz/10sec 6ć 5ć 0ć When TC < 5ćˈcompressor frequency will drop at a speed of 1HZ/10s When TC starts to riseˈand 6 TC 9ćˈcompressor frequency will remain unchanged. When 9 < TC < 11ć, frequency will rise nomal. If TC 0ćˈfor 2 consecutive minutes, compressor will shutdown and outdoor fault lamp blinks. Fault will not be reported to indoor unit. When compressor shuts down for more than3 minutesˈand when TC>9ćˈcompressor will restart. 28 Domestic Air Conditioner HSU12/18VHJ(DB) 5.2.6.4 Outdoor Temperature Limit Cooling: When outdoor temperature is lower than 23ć, cooling operation will start, compressor frequency is limited to less than 50 HZ, outdoor wind speed is forced at level 1. Heating: When outdoor temperature is higher than 18ć, heating operation will start, compressor frequency is limited to less than 53 HZ, outdoor wind speed is forced at level 1. 5.2.6.5 Special Features 1. Forced Cooling: When receiving indoor forced cooling signal, cooling operation will start in a frequency signaled by indoor unit. Only air discharge temperature and over current protection features are effective and other protection features are invalid. 2. Rated, Middle and Minimum Capacity Operation: When receiving indoor, rated, middle and minimum capacity operation signal, outdoor unit will operate as per wind speed and frequency set by EEPROM and all the protection features are effective. 5.2.6.6 Fault Display and Treatment In case outdoor unit faults, the alarm indicator lamp will blink and blink frequency is 1HZˈTime interval between blink cycles is 3s. Alarm indicator lamp is off when there is no fault. 29 Domestic Air Conditioner HSU12/18VHJ(DB) 5.3 Function of Main Thermistor Note: A:Outdoor suction temperature sensor B: Exhaust temperature sensor C: Indoor heat-exchange sensor Outdoor Suction Temperature Sensor The outdoor heat exchanger thermistor is used for controlling target discharge temperature. The system sets a target discharge temperature according to the outdoor and indoor heat exchanger temperature, and controls the electronic expansion valve opening so that the target discharge temperature can be obtained. Exhaust Temperature Sensor The discharge pipe thermistor is used for controlling temperature of the discharge pipe. If the temperature of discharge pipe (used in place of the inner temperature of the compressor) rises abnormally, the operating frequency drops or the operation halts. Indoor heat-exchange sensor 1.The indoor heat exchanger thermistor is used for controlling target discharge temperature. The system sets a target discharge temperature according to the outdoor and indoor heat exchanger temperature, and controls the electronic expansion valve opening so that the target discharge temperature can be obtained. 2.The indoor heat exchanger thermistor is used for preventing freezing.During the cooling operation, if the temperature drops abnormally, the operating frequency becomes lower, then the operation halts. 3.The indoor heat exchanger thermistor is used for anti-icing control.During the cooling operation, if the heat exchanger temperature in the room where operation is halted becomes -1°C, it is assumed as icing. 30 Domestic Air Conditioner HSU12/18VHJ(DB) 5.4 Value of Thermistor 5.4.1 intdoor Unit Room sensor R25ć=23Kȍ±3.5% B25ć/50ć=4200K±3% Temp.(ć) Max.(Kȍ) Normal(Kȍ) Min.(Kȍ) -30 568.8372 501.0746 440.8435 -1.97 1.75 -29 530.9600 468.6491 413.1441 -1.95 1.74 -28 495.8488 438.5314 387.3645 -1.93 1.72 -27 463.2850 410.5433 363.3602 -1.91 1.71 -26 433.0683 384.5212 340.9980 -1.90 1.70 -25 405.0156 360.3153 320.1558 -1.88 1.69 -24 378.9588 337.7879 300.7211 -1.86 1.67 -23 354.7440 316.8126 282.5905 -1.84 1.66 -22 332.2300 297.2732 265.6686 -1.82 1.64 -21 311.2873 279.0627 249.8676 -1.80 1.63 -20 291.7969 262.0831 235.1067 -1.78 1.62 -19 273.6494 246.2437 221.3111 -1.76 1.60 -18 256.7445 231.4612 208.4122 -1.74 1.59 -17 240.9897 217.6590 196.3462 -1.72 1.57 -16 226.3000 204.7662 185.0545 -1.70 1.56 -15 212.5973 192.7176 174.4829 -1.68 1.54 -14 199.8093 181.4531 164.5813 -1.66 1.53 -13 187.8698 170.9169 155.3033 -1.64 1.51 -12 176.7176 161.0578 146.6059 -1.62 1.49 -11 166.2961 151.8284 138.4495 -1.60 1.48 -10 156.5532 143.1847 130.7973 -1.58 1.46 -9 147.4409 135.0863 123.6153 -1.56 1.44 -8 138.9148 127.4956 116.8717 -1.53 1.43 -7 130.9337 120.3778 110.5374 -1.51 1.41 -6 123.4597 113.7009 104.5852 -1.49 1.39 -5 116.4577 107.4349 98.9897 -1.47 1.38 -4 109.8953 101.5523 93.7278 -1.45 1.36 -3 103.7422 96.0274 88.7774 -1.43 1.34 -2 97.9708 90.8365 84.1185 -1.40 1.32 -1 92.5551 85.9574 79.7322 -1.38 1.30 0 87.4712 81.3697 75.6011 -1.36 1.29 1 82.6970 77.0544 71.7088 -1.34 1.27 2 78.2118 72.9937 68.0402 -1.31 1.25 3 73.9966 69.1712 64.5813 -1.29 1.23 4 70.0335 65.5716 61.3188 -1.27 1.21 5 66.3062 62.1807 58.2405 -1.24 1.19 6 62.7992 58.9853 55.3351 -1.22 1.17 7 59.4984 55.9729 52.5917 -1.20 1.15 31 Tolerance(ć) Domestic Air Conditioner HSU12/18VHJ(DB) 8 56.3905 53.1320 50.0006 -1.17 1.13 9 53.4631 50.4521 47.5523 -1.15 1.11 10 50.7048 47.9230 45.2384 -1.13 1.09 11 48.1049 45.5355 43.0505 -1.10 1.07 12 45.6534 43.2808 40.9813 -1.08 1.04 13 43.3410 41.1509 39.0236 -1.05 1.02 14 41.1592 39.1381 37.1708 -1.03 1.00 15 39.0998 37.2355 35.4167 -1.00 0.98 16 37.1553 35.4363 33.7555 -0.98 0.96 17 35.3186 33.7344 32.1818 -0.95 0.94 18 33.5833 32.1240 30.6905 -0.93 0.91 19 31.9432 30.5997 29.2769 -0.90 0.89 20 30.3925 29.1565 27.9365 -0.88 0.87 21 28.9259 27.7895 26.6651 -0.85 0.84 22 27.5383 26.4944 25.4589 -0.83 0.82 23 26.2252 25.2670 24.3140 -0.80 0.80 24 24.9822 24.1034 23.2271 -0.78 0.77 25 23.8050 23.0000 22.1950 -0.78 0.77 26 22.7500 21.9499 21.1520 -0.78 0.78 27 21.7477 20.9536 20.1638 -0.82 0.81 28 20.7951 20.0081 19.2272 -0.86 0.85 29 19.8895 19.1104 18.3394 -0.89 0.88 30 19.0285 18.2581 17.4974 -0.93 0.92 31 18.2094 17.4484 16.6988 -0.97 0.95 32 17.4302 16.6792 15.9410 -1.00 0.99 33 16.6885 15.9480 15.2217 -1.04 1.02 34 15.9825 15.2530 14.5389 -1.08 1.06 35 15.3103 14.5920 13.8903 -1.12 1.09 36 14.6700 13.9632 13.2743 -1.16 1.13 37 14.0599 13.3650 12.6889 -1.20 1.16 38 13.4786 12.7957 12.1325 -1.23 1.20 39 12.9244 12.2537 11.6035 -1.27 1.24 40 12.3960 11.7375 11.1004 -1.31 1.27 41 11.8921 11.2459 10.6218 -1.35 1.31 42 11.4113 10.7775 10.1665 -1.39 1.34 43 10.9526 10.3311 9.7330 -1.43 1.38 44 10.5147 9.9056 9.3204 -1.48 1.42 45 10.0967 9.4999 8.9275 -1.52 1.45 46 9.6976 9.1130 8.5532 -1.56 1.49 47 9.3163 8.7439 8.1965 -1.60 1.53 48 8.9521 8.3916 7.8566 -1.64 1.57 49 8.6040 8.0554 7.5327 -1.68 1.60 50 8.2713 7.7345 7.2237 -1.73 1.64 51 7.9531 7.4280 6.9291 -1.77 1.68 52 7.6489 7.1353 6.6480 -1.81 1.72 32 Domestic Air Conditioner HSU12/18VHJ(DB) 53 7.3580 6.8556 6.3797 -1.85 1.76 54 7.0796 6.5884 6.1237 -1.90 1.79 55 6.8131 6.3329 5.8793 -1.94 1.83 56 6.5581 6.0887 5.6459 -1.99 1.87 57 6.3140 5.8552 5.4230 -2.03 1.91 58 6.0802 5.6318 5.2100 -2.07 1.95 59 5.8563 5.4181 5.0065 -2.12 1.99 60 5.6417 5.2136 4.8120 -2.16 2.03 61 5.4361 5.0178 4.6260 -2.21 2.07 62 5.2391 4.8304 4.4481 -2.25 2.11 63 5.0502 4.6510 4.2780 -2.30 2.15 64 4.8691 4.4791 4.1153 -2.35 2.19 65 4.6954 4.3145 3.9596 -2.39 2.23 66 4.5287 4.1567 3.8105 -2.44 2.27 67 4.3689 4.0055 3.6678 -2.49 2.31 68 4.2154 3.8605 3.5312 -2.53 2.35 69 4.0682 3.7216 3.4004 -2.58 2.39 70 3.9268 3.5883 3.2750 -2.63 2.43 71 3.7910 3.4605 3.1549 -2.68 2.48 72 3.6606 3.3378 3.0398 -2.73 2.52 73 3.5353 3.2201 2.9294 -2.77 2.56 74 3.4150 3.1072 2.8237 -2.82 2.60 75 3.2993 2.9987 2.7222 -2.87 2.64 76 3.1881 2.8946 2.6249 -2.92 2.68 77 3.0812 2.7946 2.5316 -2.97 2.73 78 2.9785 2.6986 2.4420 -3.02 2.77 79 2.8796 2.6063 2.3560 -3.07 2.81 80 2.7845 2.5176 2.2735 -3.12 2.86 81 2.6931 2.4324 2.1943 -3.17 2.90 82 2.6050 2.3505 2.1182 -3.22 2.94 83 2.5203 2.2717 2.0451 -3.28 2.99 84 2.4388 2.1960 1.9749 -3.33 3.03 85 2.3602 2.1231 1.9075 -3.38 3.07 86 2.2846 2.0530 1.8426 -3.43 3.12 87 2.2118 1.9856 1.7803 -3.48 3.16 88 2.1416 1.9207 1.7204 -3.54 3.20 89 2.0740 1.8582 1.6628 -3.59 3.25 90 2.0089 1.7981 1.6074 -3.64 3.29 91 1.9461 1.7402 1.5541 -3.70 3.34 92 1.8856 1.6844 1.5028 -3.75 3.38 93 1.8272 1.6307 1.4535 -3.80 3.43 94 1.7709 1.5789 1.4060 -3.86 3.47 95 1.7166 1.5291 1.3603 -3.91 3.52 96 1.6643 1.4810 1.3163 -3.97 3.56 33 Domestic Air Conditioner HSU12/18VHJ(DB) 97 1.6138 1.4347 1.2739 -4.02 3.61 98 1.5650 1.3900 1.2331 -4.08 3.66 99 1.5180 1.3470 1.1937 -4.13 3.70 100 1.4726 1.3054 1.1559 -4.19 3.75 101 1.4287 1.2654 1.1194 -4.24 3.80 102 1.3864 1.2268 1.0842 -4.30 3.84 103 1.3455 1.1895 1.0503 -4.36 3.89 104 1.3060 1.1535 1.0176 -4.42 3.94 105 1.2679 1.1188 0.9860 -4.47 3.98 106 1.2310 1.0853 0.9556 -4.53 4.03 107 1.1954 1.0529 0.9263 -4.59 4.08 108 1.1610 1.0217 0.8980 -4.65 4.13 109 1.1277 0.9915 0.8707 -4.70 4.17 110 1.0955 0.9624 0.8443 -4.76 4.22 111 1.0644 0.9342 0.8189 -4.82 4.27 112 1.0344 0.9070 0.7943 -4.88 4.32 113 1.0053 0.8807 0.7706 -4.94 4.37 114 0.9771 0.8553 0.7478 -5.00 4.41 115 0.9499 0.8307 0.7256 -5.06 4.46 116 0.9235 0.8070 0.7043 -5.12 4.51 117 0.8980 0.7840 0.6837 -5.18 4.56 118 0.8734 0.7618 0.6637 -5.24 4.61 119 0.8495 0.7404 0.6445 -5.30 4.66 120 0.8263 0.7196 0.6258 -5.36 4.71 Pipe Sensor R25ć=10K¡f3% B25ć/50ć=3700Kf3% Temp.((ć)) Max.(Kȍ) Normal(Kȍ) Min.(Kȍ) -30 165.2170 147.9497 132.3678 -1.94 1.75 -29 155.5754 139.5600 125.0806 -1.93 1.74 -28 146.5609 131.7022 118.2434 -1.91 1.73 -27 138.1285 124.3392 111.8256 -1.89 1.71 -26 130.2371 117.4366 105.7989 -1.87 1.70 -25 122.8484 110.9627 100.1367 -1.85 1.69 -24 115.9272 104.8882 94.8149 -1.83 1.67 -23 109.4410 99.1858 89.8106 -1.81 1.66 -22 103.3598 93.8305 85.1031 -1.80 1.64 -21 97.6556 88.7989 80.6728 -1.78 1.63 -20 92.3028 84.0695 76.5017 -1.76 1.62 -19 87.2775 79.6222 72.5729 -1.74 1.60 -18 82.5577 75.4384 68.8710 -1.72 1.59 -17 78.1230 71.5010 65.3815 -1.70 1.57 -16 73.9543 67.7939 62.0907 -1.68 1.55 -15 70.0342 64.3023 58.9863 -1.66 1.54 34 Tolerance(ć) Domestic Air Conditioner HSU12/18VHJ(DB) -14 66.3463 61.0123 56.0565 -1.64 1.52 -13 62.8755 57.9110 53.2905 -1.62 1.51 -12 59.6076 54.9866 50.6781 -1.60 1.49 -11 56.5296 52.2278 48.2099 -1.58 1.47 -10 53.6294 49.6244 45.8771 -1.56 1.46 -9 50.8956 47.1666 43.6714 -1.54 1.44 -8 48.3178 44.8454 41.5851 -1.51 1.42 -7 45.8860 42.6525 39.6112 -1.49 1.40 -6 43.5912 40.5800 37.7429 -1.47 1.39 -5 41.4249 38.6207 35.9739 -1.45 1.37 -4 39.3792 36.7676 34.2983 -1.43 1.35 -3 37.4465 35.0144 32.7108 -1.41 1.33 -2 35.6202 33.3552 31.2062 -1.38 1.31 -1 33.8936 31.7844 29.7796 -1.36 1.29 0 32.2608 30.2968 28.4267 -1.34 1.28 1 30.7162 28.8875 27.1431 -1.32 1.26 2 29.2545 27.5519 25.9250 -1.29 1.24 3 27.8708 26.2858 24.7686 -1.27 1.22 4 26.5605 25.0851 23.6704 -1.25 1.20 5 25.3193 23.9462 22.6273 -1.23 1.18 6 24.1432 22.8656 21.6361 -1.20 1.16 7 23.0284 21.8398 20.6939 -1.18 1.14 8 21.9714 20.8659 19.7982 -1.15 1.12 9 20.9688 19.9409 18.9463 -1.13 1.09 10 20.0176 19.0621 18.1358 -1.11 1.07 11 19.1149 18.2270 17.3646 -1.08 1.05 12 18.2580 17.4331 16.6305 -1.06 1.03 13 17.4442 16.6782 15.9315 -1.03 1.01 14 16.6711 15.9601 15.2657 -1.01 0.99 15 15.9366 15.2770 14.6315 -0.98 0.96 16 15.2385 14.6268 14.0271 -0.96 0.94 17 14.5748 14.0079 13.4510 -0.93 0.92 18 13.9436 13.4185 12.9017 -0.91 0.90 19 13.3431 12.8572 12.3778 -0.88 0.87 20 12.7718 12.3223 11.8780 -0.86 0.85 21 12.2280 11.8126 11.4011 -0.83 0.83 22 11.7102 11.3267 10.9459 -0.81 0.80 23 11.2172 10.8634 10.5114 -0.78 0.78 24 10.7475 10.4216 10.0964 -0.75 0.75 25 10.3000 10.0000 9.7000 -0.75 0.75 26 9.8975 9.5974 9.2980 -0.76 0.76 27 9.5129 9.2132 8.9148 -0.80 0.80 28 9.1454 8.8465 8.5496 -0.84 0.83 29 8.7942 8.4964 8.2013 -0.87 0.86 30 8.4583 8.1621 7.8691 -0.91 0.90 35 Domestic Air Conditioner HSU12/18VHJ(DB) 31 8.1371 7.8428 7.5522 -0.95 0.93 32 7.8299 7.5377 7.2498 -0.98 0.97 33 7.5359 7.2461 6.9611 -1.02 1.00 34 7.2546 6.9673 6.6854 -1.06 1.04 35 6.9852 6.7008 6.4222 -1.10 1.07 36 6.7273 6.4459 6.1707 -1.13 1.11 37 6.4803 6.2021 5.9304 -1.17 1.14 38 6.2437 5.9687 5.7007 -1.21 1.18 39 6.0170 5.7454 5.4812 -1.25 1.22 40 5.7997 5.5316 5.2712 -1.29 1.25 41 5.5914 5.3269 5.0704 -1.33 1.29 42 5.3916 5.1308 4.8783 -1.37 1.33 43 5.2001 4.9430 4.6944 -1.41 1.36 44 5.0163 4.7630 4.5185 -1.45 1.40 45 4.8400 4.5905 4.3500 -1.49 1.44 46 4.6708 4.4252 4.1887 -1.53 1.47 47 4.5083 4.2666 4.0342 -1.57 1.51 48 4.3524 4.1145 3.8862 -1.61 1.55 49 4.2026 3.9686 3.7443 -1.65 1.59 50 4.0588 3.8287 3.6084 -1.70 1.62 51 3.9206 3.6943 3.4780 -1.74 1.66 52 3.7878 3.5654 3.3531 -1.78 1.70 53 3.6601 3.4416 3.2332 -1.82 1.74 54 3.5374 3.3227 3.1183 -1.87 1.78 55 3.4195 3.2085 3.0079 -1.91 1.82 56 3.3060 3.0989 2.9021 -1.95 1.85 57 3.1969 2.9935 2.8005 -2.00 1.89 58 3.0919 2.8922 2.7029 -2.04 1.93 59 2.9909 2.7948 2.6092 -2.08 1.97 60 2.8936 2.7012 2.5193 -2.13 2.01 61 2.8000 2.6112 2.4328 -2.17 2.05 62 2.7099 2.5246 2.3498 -2.22 2.09 63 2.6232 2.4413 2.2700 -2.26 2.13 64 2.5396 2.3611 2.1932 -2.31 2.17 65 2.4591 2.2840 2.1195 -2.36 2.21 66 2.3815 2.2098 2.0486 -2.40 2.25 67 2.3068 2.1383 1.9803 -2.45 2.29 68 2.2347 2.0695 1.9147 -2.49 2.34 69 2.1652 2.0032 1.8516 -2.54 2.38 70 2.0983 1.9393 1.7908 -2.59 2.42 71 2.0337 1.8778 1.7324 -2.63 2.46 72 1.9714 1.8186 1.6761 -2.68 2.50 73 1.9113 1.7614 1.6219 -2.73 2.54 74 1.8533 1.7064 1.5697 -2.78 2.58 75 1.7974 1.6533 1.5194 -2.83 2.63 36 Domestic Air Conditioner HSU12/18VHJ(DB) 76 1.7434 1.6021 1.4710 -2.88 2.67 77 1.6913 1.5528 1.4243 -2.92 2.71 78 1.6409 1.5051 1.3794 -2.97 2.75 79 1.5923 1.4592 1.3360 -3.02 2.80 80 1.5454 1.4149 1.2942 -3.07 2.84 81 1.5000 1.3721 1.2540 -3.12 2.88 82 1.4562 1.3308 1.2151 -3.17 2.93 83 1.4139 1.2910 1.1776 -3.22 2.97 84 1.3730 1.2525 1.1415 -3.27 3.01 85 1.3335 1.2153 1.1066 -3.32 3.06 86 1.2953 1.1794 1.0730 -3.38 3.10 87 1.2583 1.1448 1.0405 -3.43 3.15 88 1.2226 1.1113 1.0092 -3.48 3.19 89 1.1880 1.0789 0.9789 -3.53 3.24 90 1.1546 1.0476 0.9497 -3.58 3.28 91 1.1223 1.0174 0.9215 -3.64 3.33 92 1.0910 0.9882 0.8942 -3.69 3.37 93 1.0607 0.9599 0.8679 -3.74 3.42 94 1.0314 0.9326 0.8424 -3.80 3.46 95 1.0030 0.9061 0.8179 -3.85 3.51 96 0.9756 0.8806 0.7941 -3.90 3.55 97 0.9490 0.8558 0.7711 -3.96 3.60 98 0.9232 0.8319 0.7489 -4.01 3.64 99 0.8983 0.8088 0.7275 -4.07 3.69 100 0.8741 0.7863 0.7067 -4.12 3.74 101 0.8507 0.7646 0.6867 -4.18 3.78 102 0.8281 0.7436 0.6672 -4.23 3.83 103 0.8061 0.7233 0.6484 -4.29 3.88 104 0.7848 0.7036 0.6303 -4.34 3.92 105 0.7641 0.6845 0.6127 -4.40 3.97 106 0.7441 0.6661 0.5957 -4.46 4.02 107 0.7247 0.6482 0.5792 -4.51 4.07 108 0.7059 0.6308 0.5632 -4.57 4.12 109 0.6877 0.6140 0.5478 -4.63 4.16 110 0.6700 0.5977 0.5328 -4.69 4.21 111 0.6528 0.5820 0.5183 -4.74 4.26 112 0.6361 0.5667 0.5043 -4.80 4.31 113 0.6200 0.5518 0.4907 -4.86 4.36 114 0.6043 0.5374 0.4775 -4.92 4.41 115 0.5891 0.5235 0.4648 -4.98 4.45 116 0.5743 0.5100 0.4524 -5.04 4.50 117 0.5600 0.4968 0.4404 -5.10 4.55 118 0.5460 0.4841 0.4288 -5.16 4.60 119 0.5325 0.4717 0.4175 -5.22 4.65 120 0.5194 0.4597 0.4066 -5.28 4.70 37 Domestic Air Conditioner HSU12/18VHJ(DB) 5.4.2 Outdoor Unit Ambient Sensor, Suction Sensor, Defrosting Sensor R25ć=10K¡f3% B25ć/50ć=3700Kf3% Temp.(ć) Max.(Kȍ) Normal(Kȍ) Min.(Kȍ) -30 165.2170 147.9497 132.3678 -1.94 1.75 -29 155.5754 139.5600 125.0806 -1.93 1.74 -28 146.5609 131.7022 118.2434 -1.91 1.73 -27 138.1285 124.3392 111.8256 -1.89 1.71 -26 130.2371 117.4366 105.7989 -1.87 1.70 -25 122.8484 110.9627 100.1367 -1.85 1.69 -24 115.9272 104.8882 94.8149 -1.83 1.67 -23 109.4410 99.1858 89.8106 -1.81 1.66 -22 103.3598 93.8305 85.1031 -1.80 1.64 -21 97.6556 88.7989 80.6728 -1.78 1.63 -20 92.3028 84.0695 76.5017 -1.76 1.62 -19 87.2775 79.6222 72.5729 -1.74 1.60 -18 82.5577 75.4384 68.8710 -1.72 1.59 -17 78.1230 71.5010 65.3815 -1.70 1.57 -16 73.9543 67.7939 62.0907 -1.68 1.55 -15 70.0342 64.3023 58.9863 -1.66 1.54 -14 66.3463 61.0123 56.0565 -1.64 1.52 -13 62.8755 57.9110 53.2905 -1.62 1.51 -12 59.6076 54.9866 50.6781 -1.60 1.49 -11 56.5296 52.2278 48.2099 -1.58 1.47 -10 53.6294 49.6244 45.8771 -1.56 1.46 -9 50.8956 47.1666 43.6714 -1.54 1.44 -8 48.3178 44.8454 41.5851 -1.51 1.42 -7 45.8860 42.6525 39.6112 -1.49 1.40 -6 43.5912 40.5800 37.7429 -1.47 1.39 -5 41.4249 38.6207 35.9739 -1.45 1.37 -4 39.3792 36.7676 34.2983 -1.43 1.35 -3 37.4465 35.0144 32.7108 -1.41 1.33 -2 35.6202 33.3552 31.2062 -1.38 1.31 -1 33.8936 31.7844 29.7796 -1.36 1.29 0 32.2608 30.2968 28.4267 -1.34 1.28 1 30.7162 28.8875 27.1431 -1.32 1.26 2 29.2545 27.5519 25.9250 -1.29 1.24 3 27.8708 26.2858 24.7686 -1.27 1.22 4 26.5605 25.0851 23.6704 -1.25 1.20 5 25.3193 23.9462 22.6273 -1.23 1.18 6 24.1432 22.8656 21.6361 -1.20 1.16 7 23.0284 21.8398 20.6939 -1.18 1.14 8 21.9714 20.8659 19.7982 -1.15 1.12 9 20.9688 19.9409 18.9463 -1.13 1.09 38 Tolerance(ć) Domestic Air Conditioner HSU12/18VHJ(DB) 10 20.0176 19.0621 18.1358 -1.11 1.07 11 19.1149 18.2270 17.3646 -1.08 1.05 12 18.2580 17.4331 16.6305 -1.06 1.03 13 17.4442 16.6782 15.9315 -1.03 1.01 14 16.6711 15.9601 15.2657 -1.01 0.99 15 15.9366 15.2770 14.6315 -0.98 0.96 16 15.2385 14.6268 14.0271 -0.96 0.94 17 14.5748 14.0079 13.4510 -0.93 0.92 18 13.9436 13.4185 12.9017 -0.91 0.90 19 13.3431 12.8572 12.3778 -0.88 0.87 20 12.7718 12.3223 11.8780 -0.86 0.85 21 12.2280 11.8126 11.4011 -0.83 0.83 22 11.7102 11.3267 10.9459 -0.81 0.80 23 11.2172 10.8634 10.5114 -0.78 0.78 24 10.7475 10.4216 10.0964 -0.75 0.75 25 10.3000 10.0000 9.7000 -0.75 0.75 26 9.8975 9.5974 9.2980 -0.76 0.76 27 9.5129 9.2132 8.9148 -0.80 0.80 28 9.1454 8.8465 8.5496 -0.84 0.83 29 8.7942 8.4964 8.2013 -0.87 0.86 30 8.4583 8.1621 7.8691 -0.91 0.90 31 8.1371 7.8428 7.5522 -0.95 0.93 32 7.8299 7.5377 7.2498 -0.98 0.97 33 7.5359 7.2461 6.9611 -1.02 1.00 34 7.2546 6.9673 6.6854 -1.06 1.04 35 6.9852 6.7008 6.4222 -1.10 1.07 36 6.7273 6.4459 6.1707 -1.13 1.11 37 6.4803 6.2021 5.9304 -1.17 1.14 38 6.2437 5.9687 5.7007 -1.21 1.18 39 6.0170 5.7454 5.4812 -1.25 1.22 40 5.7997 5.5316 5.2712 -1.29 1.25 41 5.5914 5.3269 5.0704 -1.33 1.29 42 5.3916 5.1308 4.8783 -1.37 1.33 43 5.2001 4.9430 4.6944 -1.41 1.36 44 5.0163 4.7630 4.5185 -1.45 1.40 45 4.8400 4.5905 4.3500 -1.49 1.44 46 4.6708 4.4252 4.1887 -1.53 1.47 47 4.5083 4.2666 4.0342 -1.57 1.51 48 4.3524 4.1145 3.8862 -1.61 1.55 49 4.2026 3.9686 3.7443 -1.65 1.59 50 4.0588 3.8287 3.6084 -1.70 1.62 51 3.9206 3.6943 3.4780 -1.74 1.66 52 3.7878 3.5654 3.3531 -1.78 1.70 53 3.6601 3.4416 3.2332 -1.82 1.74 54 3.5374 3.3227 3.1183 -1.87 1.78 39 Domestic Air Conditioner HSU12/18VHJ(DB) 55 3.4195 3.2085 3.0079 -1.91 1.82 56 3.3060 3.0989 2.9021 -1.95 1.85 57 3.1969 2.9935 2.8005 -2.00 1.89 58 3.0919 2.8922 2.7029 -2.04 1.93 59 2.9909 2.7948 2.6092 -2.08 1.97 60 2.8936 2.7012 2.5193 -2.13 2.01 61 2.8000 2.6112 2.4328 -2.17 2.05 62 2.7099 2.5246 2.3498 -2.22 2.09 63 2.6232 2.4413 2.2700 -2.26 2.13 64 2.5396 2.3611 2.1932 -2.31 2.17 65 2.4591 2.2840 2.1195 -2.36 2.21 66 2.3815 2.2098 2.0486 -2.40 2.25 67 2.3068 2.1383 1.9803 -2.45 2.29 68 2.2347 2.0695 1.9147 -2.49 2.34 69 2.1652 2.0032 1.8516 -2.54 2.38 70 2.0983 1.9393 1.7908 -2.59 2.42 71 2.0337 1.8778 1.7324 -2.63 2.46 72 1.9714 1.8186 1.6761 -2.68 2.50 73 1.9113 1.7614 1.6219 -2.73 2.54 74 1.8533 1.7064 1.5697 -2.78 2.58 75 1.7974 1.6533 1.5194 -2.83 2.63 76 1.7434 1.6021 1.4710 -2.88 2.67 77 1.6913 1.5528 1.4243 -2.92 2.71 78 1.6409 1.5051 1.3794 -2.97 2.75 79 1.5923 1.4592 1.3360 -3.02 2.80 80 1.5454 1.4149 1.2942 -3.07 2.84 81 1.5000 1.3721 1.2540 -3.12 2.88 82 1.4562 1.3308 1.2151 -3.17 2.93 83 1.4139 1.2910 1.1776 -3.22 2.97 84 1.3730 1.2525 1.1415 -3.27 3.01 85 1.3335 1.2153 1.1066 -3.32 3.06 86 1.2953 1.1794 1.0730 -3.38 3.10 87 1.2583 1.1448 1.0405 -3.43 3.15 88 1.2226 1.1113 1.0092 -3.48 3.19 89 1.1880 1.0789 0.9789 -3.53 3.24 90 1.1546 1.0476 0.9497 -3.58 3.28 91 1.1223 1.0174 0.9215 -3.64 3.33 92 1.0910 0.9882 0.8942 -3.69 3.37 93 1.0607 0.9599 0.8679 -3.74 3.42 94 1.0314 0.9326 0.8424 -3.80 3.46 95 1.0030 0.9061 0.8179 -3.85 3.51 96 0.9756 0.8806 0.7941 -3.90 3.55 97 0.9490 0.8558 0.7711 -3.96 3.60 98 0.9232 0.8319 0.7489 -4.01 3.64 99 0.8983 0.8088 0.7275 -4.07 3.69 40 Domestic Air Conditioner HSU12/18VHJ(DB) 100 0.8741 0.7863 0.7067 -4.12 3.74 101 0.8507 0.7646 0.6867 -4.18 3.78 102 0.8281 0.7436 0.6672 -4.23 3.83 103 0.8061 0.7233 0.6484 -4.29 3.88 104 0.7848 0.7036 0.6303 -4.34 3.92 105 0.7641 0.6845 0.6127 -4.40 3.97 106 0.7441 0.6661 0.5957 -4.46 4.02 107 0.7247 0.6482 0.5792 -4.51 4.07 108 0.7059 0.6308 0.5632 -4.57 4.12 109 0.6877 0.6140 0.5478 -4.63 4.16 110 0.6700 0.5977 0.5328 -4.69 4.21 111 0.6528 0.5820 0.5183 -4.74 4.26 112 0.6361 0.5667 0.5043 -4.80 4.31 113 0.6200 0.5518 0.4907 -4.86 4.36 114 0.6043 0.5374 0.4775 -4.92 4.41 115 0.5891 0.5235 0.4648 -4.98 4.45 116 0.5743 0.5100 0.4524 -5.04 4.50 117 0.5600 0.4968 0.4404 -5.10 4.55 118 0.5460 0.4841 0.4288 -5.16 4.60 119 0.5325 0.4717 0.4175 -5.22 4.65 120 0.5194 0.4597 0.4066 -5.28 4.70 41 Domestic Air Conditioner HSU12/18VHJ(DB) Discharging Sensor R80ć=50K¡f3% B25/80ć=4450Kf3% Temp.((ć)) Max.(Kȍ) Normal(Kȍ) Min.(Kȍ) -30 14646.0505 12061.7438 9924.4999 -2.96 2.45 -29 13654.1707 11267.8730 9290.2526 -2.95 2.44 -28 12735.8378 10531.3695 8700.6388 -2.93 2.44 -27 11885.1336 9847.7240 8152.2338 -2.92 2.43 -26 11096.6531 9212.8101 7641.8972 -2.91 2.42 -25 10365.4565 8622.8491 7166.7474 -2.90 2.42 -24 9687.0270 8074.3787 6724.1389 -2.88 2.41 -23 9057.2314 7564.2244 6311.6413 -2.87 2.41 -22 8472.2852 7089.4741 5927.0206 -2.86 2.40 -21 7928.7217 6647.4547 5568.2222 -2.84 2.39 -20 7423.3626 6235.7109 5233.3554 -2.83 2.39 -19 6953.2930 5851.9864 4920.6791 -2.82 2.38 -18 6515.8375 5494.2064 4628.5894 -2.80 2.37 -17 6108.5393 5160.4621 4355.6078 -2.79 2.37 -16 5729.1413 4848.9963 4100.3708 -2.77 2.36 -15 5375.5683 4558.1906 3861.6201 -2.76 2.35 -14 5045.9114 4286.5535 3638.1938 -2.75 2.34 -13 4738.4141 4032.7098 3429.0191 -2.73 2.34 -12 4451.4586 3795.3910 3233.1039 -2.72 2.33 -11 4183.5548 3573.4260 3049.5312 -2.70 2.32 -10 3933.3289 3365.7336 2877.4527 -2.69 2.31 -9 3699.5139 3171.3148 2716.0828 -2.67 2.30 -8 3480.9407 2989.2460 2564.6945 -2.66 2.29 -7 3276.5302 2818.6731 2422.6139 -2.64 2.28 -6 3085.2854 2658.8058 2289.2164 -2.63 2.28 -5 2906.2851 2508.9126 2163.9230 -2.61 2.27 -4 2738.6777 2368.3158 2046.1961 -2.60 2.26 -3 2581.6752 2236.3876 1935.5371 -2.58 2.25 -2 2434.5487 2112.5459 1831.4826 -2.56 2.24 -1 2296.6230 1996.2509 1733.6024 -2.55 2.23 0 2167.2730 1887.0018 1641.4966 -2.53 2.22 1 2045.9191 1784.3336 1554.7931 -2.52 2.21 2 1932.0242 1687.8144 1473.1460 -2.50 2.20 3 1825.0899 1597.0431 1396.2333 -2.48 2.19 4 1724.6540 1511.6468 1323.7551 -2.47 2.17 5 1630.2870 1431.2787 1255.4324 -2.45 2.16 6 1541.5904 1355.6163 1191.0048 -2.43 2.15 7 1458.1938 1284.3593 1130.2298 -2.41 2.14 8 1379.7528 1217.2282 1072.8813 -2.40 2.13 9 1305.9472 1153.9626 1018.7481 -2.38 2.12 10 1236.4792 1094.3200 967.6334 -2.36 2.11 Tolerance(ć) 42 Domestic Air Conditioner HSU12/18VHJ(DB) 11 1171.0715 1038.0743 919.3533 -2.35 2.09 12 1109.4661 985.0146 873.7359 -2.33 2.08 13 1051.4226 934.9440 830.6210 -2.31 2.07 14 996.7169 887.6792 789.8583 -2.29 2.06 15 945.1404 843.0486 751.3077 -2.27 2.04 16 896.4981 800.8922 714.8380 -2.26 2.03 17 850.6086 761.0603 680.3265 -2.24 2.02 18 807.3024 723.4134 647.6580 -2.22 2.00 19 766.4212 687.8205 616.7252 -2.20 1.99 20 727.8172 654.1596 587.4271 -2.18 1.98 21 691.3524 622.3161 559.6694 -2.16 1.96 22 656.8979 592.1831 533.3634 -2.14 1.95 23 624.3328 563.6604 508.4261 -2.12 1.93 24 593.5446 536.6540 484.7796 -2.10 1.92 25 564.4275 511.0760 462.3510 -2.09 1.90 26 536.9865 486.9352 441.1516 -2.07 1.89 27 511.0105 464.0500 421.0258 -2.05 1.87 28 486.4151 442.3499 401.9146 -2.03 1.86 29 463.1208 421.7683 383.7626 -2.01 1.84 30 441.0535 402.2430 366.5175 -1.99 1.83 31 420.1431 383.7151 350.1301 -1.97 1.81 32 400.3242 366.1295 334.5542 -1.95 1.80 33 381.5350 349.4341 319.7460 -1.93 1.78 34 363.7176 333.5801 305.6645 -1.90 1.76 35 346.8176 318.5216 292.2709 -1.88 1.75 36 330.7839 304.2151 279.5286 -1.86 1.73 37 315.5682 290.6199 267.4031 -1.84 1.71 38 301.1254 277.6976 255.8620 -1.82 1.70 39 287.4128 265.4119 244.8745 -1.80 1.68 40 274.3905 253.7288 234.4118 -1.78 1.66 41 262.0206 242.6161 224.4465 -1.76 1.64 42 250.2676 232.0436 214.9529 -1.74 1.63 43 239.0983 221.9825 205.9065 -1.71 1.61 44 228.4809 212.4060 197.2844 -1.69 1.59 45 218.3860 203.2887 189.0648 -1.67 1.57 46 208.7855 194.6066 181.2273 -1.65 1.55 47 199.6531 186.3369 173.7524 -1.63 1.54 48 190.9639 178.4584 166.6217 -1.60 1.52 49 182.6945 170.9508 159.8181 -1.58 1.50 50 174.8228 163.7951 153.3249 -1.56 1.48 51 167.3280 156.9733 147.1268 -1.53 1.46 52 160.1904 150.4683 141.2090 -1.51 1.44 53 153.3914 144.2641 135.5577 -1.49 1.42 54 146.9136 138.3454 130.1598 -1.47 1.40 55 140.7403 132.6980 125.0027 -1.44 1.38 43 Domestic Air Conditioner HSU12/18VHJ(DB) 56 134.8559 127.3081 120.0746 -1.42 1.36 57 129.2457 122.1630 115.3645 -1.40 1.34 58 123.8956 117.2504 110.8618 -1.37 1.32 59 118.7926 112.5589 106.5564 -1.35 1.30 60 113.9241 108.0776 102.4388 -1.32 1.28 61 109.2784 103.7961 98.5000 -1.30 1.26 62 104.8443 99.7046 94.7315 -1.28 1.23 63 100.6112 95.7939 91.1253 -1.25 1.21 64 96.5692 92.0553 87.6735 -1.23 1.19 65 92.7088 88.4805 84.3690 -1.20 1.17 66 89.0211 85.0614 81.2048 -1.18 1.15 67 85.4976 81.7908 78.1744 -1.15 1.12 68 82.1303 78.6615 75.2715 -1.13 1.10 69 78.9116 75.6668 72.4902 -1.10 1.08 70 75.8343 72.8004 69.8249 -1.08 1.06 71 72.8916 70.0561 67.2703 -1.05 1.03 72 70.0770 67.4283 64.8213 -1.03 1.01 73 67.3844 64.9115 62.4731 -1.00 0.99 74 64.8080 62.5006 60.2211 -0.98 0.96 75 62.3423 60.1906 58.0609 -0.95 0.94 76 59.9821 57.9770 55.9885 -0.92 0.92 77 57.7223 55.8552 53.9998 -0.90 0.89 78 55.5583 53.8210 52.0912 -0.87 0.87 79 53.4856 51.8706 50.2591 -0.85 0.84 80 51.5000 50.0000 48.5000 -0.85 0.84 81 49.7063 48.2057 46.7083 -0.85 0.85 82 47.9835 46.4842 44.9911 -0.89 0.89 83 46.3286 44.8323 43.3452 -0.93 0.92 84 44.7385 43.2468 41.7672 -0.96 0.95 85 43.2105 41.7248 40.2540 -1.00 0.99 86 41.7386 40.2604 38.7996 -1.03 1.02 87 40.3241 38.8545 37.4048 -1.07 1.06 88 38.9643 37.5045 36.0668 -1.11 1.09 89 37.6569 36.2078 34.7831 -1.14 1.13 90 36.3996 34.9622 33.5513 -1.18 1.16 91 35.1903 33.7653 32.3689 -1.22 1.19 92 34.0269 32.6151 31.2338 -1.26 1.23 93 32.9075 31.5096 30.1438 -1.30 1.27 94 31.8302 30.4467 29.0970 -1.33 1.30 95 30.7933 29.4246 28.0915 -1.37 1.34 96 29.7950 28.4417 27.1254 -1.41 1.37 97 28.8337 27.4961 26.1970 -1.45 1.41 98 27.9078 26.5864 25.3048 -1.49 1.44 99 27.0160 25.7110 24.4470 -1.53 1.48 100 26.1569 24.8685 23.6222 -1.57 1.52 44 Domestic Air Conditioner HSU12/18VHJ(DB) 101 25.3290 24.0574 22.8291 -1.61 1.55 102 24.5311 23.2765 22.0662 -1.65 1.59 103 23.7620 22.5245 21.3323 -1.69 1.63 104 23.0205 21.8002 20.6261 -1.73 1.66 105 22.3055 21.1025 19.9465 -1.77 1.70 106 21.6159 20.4303 19.2924 -1.81 1.74 107 20.9508 19.7825 18.6626 -1.85 1.77 108 20.3091 19.1582 18.0563 -1.89 1.81 109 19.6899 18.5564 17.4723 -1.93 1.85 110 19.0924 17.9761 16.9098 -1.98 1.89 111 18.5157 17.4166 16.3680 -2.02 1.93 112 17.9590 16.8769 15.8458 -2.06 1.96 113 17.4214 16.3564 15.3427 -2.10 2.00 114 16.9023 15.8542 14.8577 -2.15 2.04 115 16.4010 15.3696 14.3902 -2.19 2.08 116 15.9167 14.9020 13.9394 -2.23 2.12 117 15.4489 14.4506 13.5047 -2.27 2.16 118 14.9968 14.0149 13.0855 -2.32 2.19 119 14.5599 13.5942 12.6811 -2.36 2.23 120 14.1376 13.1879 12.2909 -2.41 2.27 121 13.7294 12.7955 11.9144 -2.45 2.31 122 13.3347 12.4165 11.5510 -2.50 2.35 123 12.9531 12.0503 11.2003 -2.54 2.39 124 12.5840 11.6965 10.8617 -2.58 2.43 125 12.2270 11.3545 10.5348 -2.63 2.47 126 11.8817 11.0240 10.2191 -2.68 2.51 127 11.5475 10.7046 9.9142 -2.72 2.55 128 11.2242 10.3957 9.6197 -2.77 2.59 129 10.9112 10.0970 9.3352 -2.81 2.63 130 10.6084 9.8082 9.0602 -2.86 2.67 131 10.3151 9.5288 8.7945 -2.91 2.71 132 10.0312 9.2586 8.5378 -2.95 2.75 133 9.7563 8.9971 8.2895 -3.00 2.80 134 9.4901 8.7441 8.0495 -3.05 2.84 135 9.2322 8.4993 7.8175 -3.09 2.88 136 8.9824 8.2623 7.5931 -3.14 2.92 137 8.7404 8.0329 7.3760 -3.19 2.96 138 8.5059 7.8108 7.1660 -3.24 3.00 139 8.2787 7.5958 6.9629 -3.29 3.04 140 8.0584 7.3875 6.7664 -3.33 3.09 45 Domestic Air Conditioner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HEALTH button 9. ON/OFF button 10. TIMER ON display 11. FAN SPEED display B A Inlet grille 19 Air Purifying Filter C F .5 Inlet LOW Emergency Switch Outlet Anion generator Operation mode 28 Vertical blade (inside) (adjust left and right air flow) Actual inlet grille may vary from the one shown in the manual according to the product purchased Display board for 12: F Singal receiver hole (If the unit which you purchased has healthy function,follow it. If not,please ignore.) COOL display HEAT display Dry display TIMER OFF display TIMER ON display SLEEP display TEMP display HEALTH display F Remote signal receiver HEALTH display TIMER OFF display TIMER ON display SLEEP display DRY HEAT FAN 17.Singal sending display 18. POWER/SOFT display 31 19. Left/right air flow display 20. TEMP display 21. TIMER OFF display 22. TIMER display 1. RESET button 23. TEMP button When the remote controller appears 24. FAN button abnormal, use a sharp 25. HEALTH AIRFLOW button pointed article to press 26. SWING UP/DOWN button this button to reset the remote controller normal. 27. SWING LEFT/RIGHT button 28. SET button 2.LIGHT button Control the lightening and 29. POWER/SOFT button extinguishing of the indoor 30. LOCK button LED display board. If pressed, the other buttons 3. TIMER button will be disabled. Press it once 4. CLOCK button again,lock will be cancelled. 5. SLEEP button . 31 CODE button 6. MODE button Use to select CODE A or B which 7. HOUR button will be displayed on LCD. Please select A without special explanation. NOTE: Loading of the battery 1 Remove the battery cover; 2Load the batteries as illustrated. AUTO display COOL display Dry display HEAT display TEMP display 2 R-03 batteries, resetting key (cylinder); 3 Be sure that the loading 4 Load the battery,then put on the cover again. Note: is in line with the " + "/"-"; The distance between the signal transmission head and the receiver hole should be within 7m without any obstacle as well. When electronic-started type fluorescent lamp or change-over type fluorescent lamp or wireless telephone is installed in the room, the recei ver is apt to be disturbed in receiving the signals, so the distance to the indoor unit should be shorter. Full display or unclear display during operation indicates the batteries have been used up. Please change batteries. If the remote controller can't run normally during operation, please remove the batteries and reload several minutes later. Outdoor Unit INLET COOL Cooling only unit do not have functions and displays related with heating. Display board for 18: OUTLET AUTO Remote controller CODE Display board (adjust up and down air flow Don't adjust it manually) AUTO 30 Horizontal flap HI MED 12. LOCK display 13. SWING UP/DOWN display 14. SLEEP display 15. HEALTH display 16. Operation mode display Hint: Remove the batteries in case unit won't be in usage for a long period. If there are any display after taking-out, just need to press reset key. CONNECTING PIPING AND ELECTRICAL WIRING DRAIN HOSE 47 system configration HSU12/18VHJ(DB) Operation Clock set Emergency operation and test operation Press CLOCK button, "AM" or "PM" flashes. Press or to set correct time. Each press will increase or decrease 1min. If the button is kept pressed,time will change quickly. After time setting is confirmed,press SET, "AM "and "PM" stop flashing,while clock starts working. Pi Emergency Operation: Use this operation only when the remote controller is defective or lost. When the emergency operation switch is pressed, the" Pi "sound is heard once, which means the start of this operation. In this operation, the system automatically selects the operation modes, cooling or fan or heat, according to the room temperature. When machine is running in emergency, the set value of temperature and wind speed couldn't be altered; meanwhile, it can't operate for dehumidifying or under timing mode. POWER/SOFT F CODE Base Operation Remote controller POWER/SOFT 1. Unit start Press ON/OFF on the remote controller, unit starts. Test operation: 2.Select operation mode Test operation switch is the same as emergency switch. Use this switch in the test operation when the room o temperature is below 60 F, do not use it in the normal operation. Pi Pi Continue to press the test operation switch for more than 5 seconds. After you hear the "Pi" sound twice, release your finger from the switch: the cooling operation starts with the air flow speed "Hi". Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL DRY FAN HEAT 3.Select temp.setting button Every time the button is pressed, temp.setting increase 2oF,if kept depressed, it will increase rapidly Every time the button is pressed, temp.setting decrease 2oF,if kept depressed, it will decrease rapidly Select a desired temperature. Press 1.Status display of air sending Vertical flap 4.Fan speed selection Press FAN button. For each press, fan speed changes as follows: Remote controller: LOW MED HI For 12: AUTO For 18: Remote Controller For 18: For 12: DRY For 18: In DRY mode, when room temperature becomes lower than temp.setting about +35 oF,unit will run intermittently at LOW speed regardless of FAN setting. For 12: HEAT FAN For 18: nothing Pos.2 Pos.3 Pos.4 Pos.5 Pos.6 (Auto swing) 2.Left and right air flow adjustment(manual) Note Under the mode of auto operation, air conditioner will automatically select Cool or Heat operation according to room temperature. When FAN is set to AUTO, the air conditioner automatically adjusts the fan speed according to room temperature. For 12: COOL Pos.1 Move the vertical blade by a knob on air conditioner to adjust left and right direction referring to Fig. AUTO Air conditioner is running under displayed fan speed. When FAN is set to AUTO, the air conditioner automatically adjusts the fan speed according to room temperature. Operation Display Board Mode Air Flow Di In FAN operation mode, the unit will not operate in COOL or HEAT mode but only in FAN mode ,AUTO is not available in FAN mode.And temp.setting is disabled. In FAN mode,SLEEP operation is not available. 48 Cautions: When adjusting the flap by hand,turn off the unit. When humidity is high,condensate water might occur at air outlet if all vertical louvers are adjusted to left or right. It is advisable not to keep horizontal flap at downward position for a long time in COOLor DRY mode , otherwise, condensate water might occur. Note: When restart after remote turning off, the remote controller will automatically memorize the previous set swing position. system configration HSU12/18VHJ(DB) Operation Sleep Operation 3. In AUTO mode The unit operates in corresponding sleep mode adapted to the automatically selected operation mode. 4. In FAN mode It has no SLEEP function. 5. Set the wind speed change when sleeping If the wind speed is high or middle before setting for the sleep, set for lowing the wind speed after sleeping. If it is low wind, no change. 6. Note to the power failure resume: press the sleep button ten times in five seconds and enter this function after hearing four sounds. And press the sleep button ten times within five seconds and leave this function after hearing two sounds. NOTE: With the power failure resume, when setting the TIMER ON, TIMER OFF and TIMER ON/OFF, it’s memorized as shutdown status when resuming after power out. Before going to bed, you can simply press the SLEEP button and unit will operate in SLEEP mode and bring you a sound sleep. Use of SLEEP function After the unit starts, set the operation status, then press SLEEP button before which the clock must be adjusted and time being set. Operation Mode 1. In COOL,DRY mode 1 hours after SLEEP mode starts, temp. will become about 2OF higher than temp.setting. After another 1 hours, temp. rises about 2 F further. The unit will run for further 6 hours then stops Temp. is higher than temp. setting so that room temperature won't be too Iow for your sleep. O SLEEP operation starts POWER/SOFT Operation (1) POWER Operation When you need rapid heating or cooling, you can use this function. In COOL mode, fan speed automatically takes high speed of AUTO fan mode. In HEAT mode, fan speed automatically takes medial speed of AUTO fan mode. SLEEP operation stops Approx.6hrs (2) SOFT Rises about 2OF 1 hr Rises about 2OF 1 hr Operation You can use this function when silence is needed for rest or reading. In SOFT operation mode, fan speed automatically takes low speed of AUTO fan mode. Temp.setting Note˖ During POWER operation, in rapid HEAT or COOL modethe room will show inhomogeneous temperature distribution. Long period SOFT operation will cause effect of not too cool or not too warm. To cancel POWER or SOFT operation Press POWER/SOFT button again, POWER or SOFT disappears. Unit stop In COOL, DRY mode 2. In HEAT mode 1 hours after SLEEP mode starts, temp will become about 4OF lower than temp. setting. After another 1 hours, temp decrease about 4 OF further. After more another 3 hours, temp. rises about 2 OF further. The unit will run for further 3 hours then stops. Temp. is lower than temp. setting so that room temperature won't be too high for your sleep. Temp.setting HEALTH Operation Unit stop Decreases about 4 OF 1 hr Healthy Negative ions 1 hr Decreases about 4 OF The anion generator in the airconditioner can generate a lot of anion effectively balance the quantity of position and anion in the air and also to kill bacteria and speed up the dust sediment in the room and finally clean the air in the room. 3 hrs 3 hrs SLEEP operation starts Rises about 2 OF SLEEP operation stops In HEAT mode 49 HSU12/18VHJ(DB) system configration Operation Timer On/Off On-Off Operation IMPORTANT INFORMATION REGARDING THE REFRIGERANT USED Set clock correctly before starting TIMER operation. 1.After unit starts, select your desired operation mode. 2.Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: Remote controller: Contains fluorinated greenhouse gases covered by the Kyoto Protocol BLANK TIMER ON TIMER OFF TIMER ON-OFF R410A 1= kg 2 2= kg 1+2= kg 1 Then select your desired TIMER mode (TIMER ON or TIMER OFF or TIMER ON-OFF). " "or " "will flash. 3.Press HOUR button to set time. It can be adjusted within 24 hours. 4.After setting correct time, press SET button to confirm " "or" " on the remote controller stops flashing. 5.Cancel TIMER mode Just press TIMER button several times until TIMER mode disappears. Hints: After replacing batteries or a power failure happens, time setting should be reset. Remote controller possesses memory function,when use TIMER mode next time, just press SET button after mode selecting if time setting is the same as previous one. According to the Time setting sequence of TIMER ON or TIMER OFF, either Start-Stop or Stop-Start can be achieved. Health airflow Operation 1.Press ON/OFF to starting Setting the comfort work conditions. 2.The setting of health airflow function appears on the 1).Press the button of health airflow , display. Horizontal airflow sending. Avoid the strong airflow blows direct to the body. 2).Press the button of health airflow again, appears on the display. Downward airflow sending. Avoid the strong airflow blows direct to the body. 3.The cancel of the health airflow function Press the button of health airflow again, the unit goes on working under the condition before the setting of health airflow function. Notice: Cannot pull direct the flap by hand. Otherwise, the grille will run incorrectly. If the grille is not run correctly, stop for a minute and then start, adjusting by remote controller. Note: 1.After setting the health airflow function, the position grill is fixed. 2.In heating, it is better to select the mode. 3.In cooling, it is better to select the mode. 4.In cooling and dry, using the air conditioner for a long time under the high air humidity, a phenomenon falling drips of water occurs at the grille . 50 F A B C D E This product contains fluorinated greenhouse gases covered by the Kyoto Protocol. Do not vent into the atmosphere. Refrigerant type:R410A GWP* value:1975 GWP=global warming potential Please fill in with indelible ink, •1 the factory refrigerant charge of the product •2 the additional refrigerant amount charged in the field and • 1+2 the total refrigerant charge on the refrigerant charge label supplied with the product. The filled out label must be adhered in the proximity of the product charging port (e.g. onto the inside of the stop value cover). A contains fluorinated greenhouse gases covered by the Kyoto Protocol B factory refrigerant charge of the product: see unit name plate C additional refrigerant amount charged in the field D total refrigerant charge E outdoor unit F refrigerant cylinder and manifold for charging HSU12/18VHJ(DB) system configration Maintenance For Smart Use of The Air Conditioner Setting of proper room temperature Remote Controller Do not block the air inlet or outlet Proper temperature Do not use water wipe the controller with a dry cloth.Do not use glass cleaner or chemical cloth. Indoor Body Wipe the air conditioner by using a soft and dry cloth.For serious stains,use a neutral detergent diluted with water.Wring the water out of the cloth before wiping.then wipe off the detergent completely. Do not use the following for cleaning Close doors and windows Use the timer effectively during operation O During cooling operation prevent the penetration of direct sunlight with curtain or blind Gasoline,benzine, thinner or cleanser may damage the coating of the unit. O Hot water over 40 C(104 F) may cause discoloring or deformation. Air Filter cleaning Open the inlet grille by pulling it upward. Remove the filter. Push up the filter's center tab slightly until it is released from the stopper, and remove the filter downward. If the unit is not to be used Use the louvers effectively for a long time, turn off the power supply main switch. Clean the filter. Use a vacuum cleaner to remove dust, or wash the filter with water.After washing, dry the filter completely in the shade. Attach the filter. Attach the filter correctly so that the "FRONT" indication is facing to the front.Make sure that the filter is completely fixed behind the stopper.If the right and left filters are not attached correctly, that may cause defects. OFF Once every two weeks Close the inlet grille. Replacement of Air Purifying Filter 1.Open the lnlet Grille 4.Attach the standard air filter Prop up the inlet grille by using a small device named grille-support which located in the right side of the indoor unit. (Necessary installation) 2.Detach the standard air filter ATTENTION: The white side of the photocatalyst air purifying filter face outside,and the black side face the unit. The green side of the bacteria-killing medium air purifying filter face outside,and the white side face the unit. Slide the knob slightly upward to release the filter, then withdraw it. 5.Close the Inlet Grille Detach old Air Purifying Filter Close the Grille surely NOTE: The photocatalyst air purifying filter will be solarized in fixed time. In normal family, it will be solarized every 6 months. The bacteria-killing medium air purifying filter will be used for a long time,no need for replacement. But in the period of using them ,you should remove the dust frequently by using vacuum cleaner or flaping them lightly,otherwise , its performance will be affected. 3.Attach Air Purifying Filter Put air purifying filter appliances into the right and left filter frames. Please keep the bacteria-killing medium air purifying filter in the cool and dry conditions avoid long time directly sunshine when you stop using it,or its ability of sterilization will be reduced. 51 HSU12/18VHJ(DB) system configration Cautions WARNING Please call Sales/Service Shop for the Installation. Do not attempt to install the air conditioner by yourself because improper works may cause electric shock, fire, water leakage. WARNING When abnormality such as burnt-small found, immediately stop the operation button and contact sales shop. Check proper installation of the drainage securely Use an exclusive power source with a circuit breaker STRICT ENFORCEMENT OFF Connect power supply cord to the outlet completely STRICT ENFORCEMENT Use the proper voltage STRICT STRICT ENFORCEMENT ENFORCEMENT Take care not to damage Do not use power supply the power supply cord. cord in a bundle. PROHIBITION PROHIBITION PROHIBITION Do not start or stop the operation by disconnecting the power supply cord and so on. 1.Do not use power supply cord extended or connected in halfway 2.Do not install in the place where there is any possibility of inflammable gas leakage around the unit. 3.Do not get the unit exposed to vapor or oil steam. PROHIBITION Do not insert objects into the air inlet or outlet. Do not channel the air flow directly at people, especially at infants or the aged. PROHIBITION Do not try to repair or reconstruct by yourself. Connect the earth cable. earthing PROHIBITION CAUTION Do not use for the purpose of storage of food, art work, precise equipment, breeding, or cultivation. PROHIBITION Do not install the unit near a fireplace or other heating apparatus. Take fresh air occasionally especially when gas appliance is running at the same time. STRICT ENFORCEMENT Check good condition of the installation stand PROHIBITION Do not place animals or plants in the direct path of the air flow Do not operate the switch with wet hand. PROHIBITION Do not pour water onto the unit for cleaning PROHIBITION PROHIBITION Do not place any objects on or climb on the unit. PROHIBITION PROHIBITION 52 Do not place flower vase or water containers on the top of the unit. PROHIBITION HSU12/18VHJ(DB) Trouble shooting Cautions Before asking for service, check the following first. Phenomenon The system does not restart immediately. Noise is heard Normal Performance inspection Smells are generated. Mist or steam are blown out. In dry mode, fan speed can’t be changed. Cause or check points When unit is stopped, it won't restart immediately until 3 minutes have elapsed to protect the system. When the electric plug is pulled out and reinserted, the protection circuit will work for 3 minutes to protect the air conditioner. During unit operation or at stop, a swishing or gurgling noise may be heard.At first 2-3 minutes after unit start, this noise is more noticeable. (This noise is generated by refrigerant flowing in the system.) During unit operation, a cracking noise may be heard.This noise is generated by the casing expanding or shrinking because of temperature changes. Should there be a big noise from air flow in unit operation, air filter may be too dirty. This is because the system circulates smells from the interior air such as the smell of furniture, paint, cigarettes. During COOL or DRY operation, indoor unit may blow out mist. This is due to the sudden cooling of indoor air. In DRY mode, when room temperature becomeslower than temp. setting+3.6oF,unit will run intermittently at LOW speed regardless of FAN setting. Is power plug inserted? Is there a power failure? Is fuse blownout? Multiple check Poor cooling system configration Is the air filter dirty? Normally it should be cleaned every 15 days. Are there any obstacles before inlet and outlet? Is temperature set correctly? Are there some doors or windows left open? Is there any direct sunlight through the window during the cooling operation?(Use curtain) Are there too much heat sources or too many people in the room during cooling operation? 53 Do not obstruct or cover the ventilation grille of the air conditoner.Do not put fingers or any other things into the inlet/outlet and swing louver. Do not allow children to play with the air conditioner.In no case should children be allowed to sit on the outdoor unit. Specifications The refrigerating circuit is leak-proof. The machine is adaptive in following situation 1.Applicable ambient temperature range: Indoor Cooling Maximum:D.B/W.B 32oC/23oC Minimum:D.B/W.B 21oC/15oC Maximum:D.B/W.B 43oC/26oC 18oC Maximum:D.B 27oC Minimum: D.B 0 oC Outdoor Minimum: D.B Indoor Heating Outdoor Maximum:D.B/W.B 24oC/18oC Minimum:D.B/W.B - 7 oC/-8oC o o Outdoor Maximum:D.B/W.B 24 C/18 C (INVERTER) Minimum:D.B -15oC 2. If the power supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar qualified person. 3.If the fuse of indoor unit on PC board is broken,please change it with the type of T. 3.15A/ 250V. If the fuse of outdoor unit is broken,change it with the type of T.25A/250V 4. The wiring method should be in line with the local wiring standard. 5. After installation, the power plug should be easily reached. 6. The waste battery should be disposed properly. 7. The appliance is not intended for use by young children or infirm persons without supervision. 8. Young children should be supervised to ensure that they do not play with the appliance. 9. Please employ the proper power plug, which fit into the power supply cord. 10. A breaker should be incorporated into fixed wiring. The breaker should be all-pole switch and the distance between its two contacts should be not less than 3mm. 11 .The power plug and connecting cable must have acquired the local attestation. 12.In order to protect the units,please turn off the A/C first, and at least 30 seconds later, cutting off the power. HSU12/18VHJ(DB) 7 Functions and control Service Diagnosis 7.1 Caution for Diagnosis The operation lamp flashes when any of the following errors is detected. 1.When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions, disabling equipment operation. 2.When a signal transmission error occurs between the indoor and outdoor units.In either case, conduct the diagnostic procedure described in the following pages. 7.2.Problem Symptoms and Measures SymptRm None of the units Check Item Check the power supply. Details of Measure Check to make sure that the rated voltage is supplied. operates Check the indoor PCB Check to make sure that the indoor PCB is broken Operation Check the power supply. A power failure of 2 to 10 cycles can stop air conditioner sometimes stops. operation. Check for faulty operation Set the units to cooling operation, and compare the of the electronic Equipment operates but does expansion valve. not cool, or does not heat (only for heat pump) temperatures of the liquid side connection pipes of the Diagnosis by service port connection section among rooms to check the opening and closing operation of the electronic expansion valves of the individual units. Check for insufficient gas. pressure and operating current. Large operating noise and vibrations Check the installation condition. Check to make sure that the required spaces for installation (specified in the Technical Guide, etc.) are provided. 54 Domestic Air Conditioner HSU12/18VHJ(DB) Functions and control 7.3.Error Codes and Description indoor display Code indication Outdoor indoor Reference Description Page (LED1 flash times) Indoorand Outdoor Indoor Malfunction Outdoor E7 15 Communication fault between indoor and outdoor units Page .78 E1 Room temperature sensor failure Page .69 E2 Heat-exchange sensor failure Page .69 E4 Indoor EEPROM error Page .77 E14 Indoor fan motor malfunction Page .70 1 Outdoor EEPROM error Page .77 2 The protection of IPM Page .72 3 Overcurrent Malfunction protection of AC electricity for the outdoor model 4 Communication fault between the IPM and outdoor PCB Page 73 6 Power voltage is too high or low Page .81 8 Overheat protection for exhaust temperature Page .75 9 outdoor fan motor malfunction 10 Frost-removing temperature sensor failure Page .74 11 SUCK temperature sensor failure Page .74 12 Ambient temperature sensor failure Page .74 13 Exhaust temperature sensor failure Page .74 18 deviate from the normal for the compressor Page .82 19 Loop of the station detect error Page .82 24 Overcurrent of the compressor Page .83 25 Overcurrent protection for single-phase of the compressor Page .83 55 Domestic Air Conditioner HSU12/18VHJ(DB) Functions and control 7.3.1Thermistor or Related Abnormality (indoor unit) Indoor Display E1: Room temperature sensor failure E2: Heat-exchange sensor failure Method of Malfunction Detection the temperatures detected by the thermistors are used to determine thermistor errors Malfunction Decision Conditions when the thermistor input is more than 4.92V or less than 0.08V during compressor operation. Supposed Causes Troubleshooting * Note: The values vary slightly in some models Ƶ Faulty connector connection Ƶ Faulty thermistor Ƶ Faulty PCB * Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred. Check the connector i NO Correct the connection Is it normal? Yes Thermistor resistance check NO Is it normal? Replace the thermistor Yes Replace the indoor unit PCB Thermistor resistance check method: Remove the connector of the thermistor on the PCB, and measure the resistance of thermistor using tester.The relationship between normal temperature and resistance is shown in the value of indoor thermistor. 56 Domestic Air Conditioner HSU12/18VHJ(DB) Functions and control 7.3.2 Indoor fan motor malfunction Indoor display E14 Method of The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor operation Malfunction Detection when the detected rotation feedback singal don’t receiced in 2 minutes Malfunction Decision Conditions Supports curses Ƶ Operation halt due to breaking of wire inside the fan motor . Ƶ Operation halt due to breaking of the fan motor lead wires Ƶ Detection error due to faulty indoor unit PCB How to check Fan Motor (DC) 1. Check connector connection. 2. Check motor power supply voltage output (pins 1-4). 3. Check motor control voltage (pins 4-5). 4. Check rotation command voltage output (pins 4-6). 5. Check rotation pulse input (pins 4-7). Notes:the a/c is electrifying,don’t pull out or insert the terminals of the motor,else the motor would be damaged Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred. Turn off power supply and rotate fan by hand 57 Domestic Air Conditioner Functions and control HSU12/18VHJ(DB) Does fan rotate NO Replace fan motor smoothly? Yes Turn power ON and operate fan No Turn off power supply and disconnect fan motor connector,then turn power ON Does it rotate? Check output of fan motor connector Yes NO Is motor power voltage DC310V Replace indoor unit Yes Stop fan motor Is motor control power PCB NO voltageDC15Vgenerat Replace indoor Y Yes Is rotation number Is rotation number commamd voltage command pulse DC1̚6V unit PCB Yes Replace fan motor generated? No Replace indoor unit PCB No Replace indoor fan motor PCB 58 Domestic Air Conditioner Functions and control HSU12/18VHJ(DB) 7.3.3 IPM protection outdoor display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting LED1 flash 2 times: Indoor Display F1 IPM protection is detected by checking the compressor running condition and so on. Ƶ The system leads to IPM protection due to over current Ƶ The compressor faulty leads to IPM protection Ƶ circuit component of IPM is broken and led to IPM protection Ƶ IPM protection dues to the compressor faulty Ƶ IPM protection dues to faulty PCB of IPM module Ƶ Compressor wiring disconnected * Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred. NO Turn off the power.check if the compressor Renewedly connect the wiring wiring Yes Check the IPM module NO Change the IPM module Normal Yes Test the resistance values among Phases U, V and W of compressor If the resistance NO Replace the compressor are equal and less Yes Check the installation condition. Check the IPM module method: Disconnect the compressor harness connector from the outdoor unit PCB. To disengage the connector, press the protrusion on the connector. Then, to measure resistance between P (+) andN (-) and the U, V and W terminals of the compressor connector with a multi-tester. Evaluate the measurement results for a pass/fail judgment. N(-)terminal of tester(P(+)for digital P(+) UVW P(-) UVW tester) P(+)terminal of tester(N(-)for digital UVW P(+) UVW P(-) 59 Domestic Air Conditioner HSU12/18VHJ(DB) tester) Normal resistance Unacceptable resistance Functions and control Several k to several M (и) Short (0 ) or open 7.3.4 The IPM and outdoor PCB don’t communicate or Related Abnormality outdoor display LED1 flash 4 times Indoor Display F3 Method of Communication is detected by checking the IPM module and the outdoor PCB Malfunction Detection Malfunction Ƶ The outdoor PCB broken leads to communication fault Decision Ƶ The IPM module broken leads to communication fault Conditions Supposed ƵThe outdoor PCB is broken Causes ƵThe IPM module is broken Ƶ Communication wiring disconnected Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred. 1) Check whether Terminal CN23 and CN22 on the outdoor mainboard CN10 and CN11 on IPM module 2) Check whether the connected wire between IPM and outdoor NO 1) Pull out and reinsert the terminals. Are they good? 2) Replace connected wire YES Electrify the machine again and turn it on, Check whether the YES voltage between 1 and 2 of Terminal CN22is about DC5V, Check whether the Replace the outdoor IPM module with a new one. voltage between2 and 3 of Terminal CN22 is about DC15V, NO NO Replace the outdoor mainboard with a new one 60 Domestic Air Conditioner Functions and control HSU12/18VHJ(DB) 7.3.5 Thermistor or Related Abnormality(outdoor unit) Frost-removing temperature sensor failure Indoor display: F21 outdoor display: LED1 flash 10 times: Exhaust temperature sensor failure Indoor display: F25 outdoor display: LED1 flash 13 times: Ambient temperature sensor failure Indoor display: F6 outdoor display: LED1 flash 12 times: Suck temperature sensor failure Indoor display: F7 outdoor display: Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes LED1 flash 11times: This type of error is detected by checking the thermistor input voltage to the microcomputer. (A thermistor error is detected by checking the temperature) The thermistor input is above 4.9V or below 0.1V with the power on. * Note: The values may vary slightly in some models Troubleshooting Ƶ Faulty connector connection Ƶ Faulty thermistor Ƶ Faulty PCB * CautionBe sure to turn off power switch before connect or disconnect connector, else parts damage may be occurred. Check the connector connection. Is it normal? NO Correct the connection YES Thermistor resistance check Is it normal? NO Replace the thermistor YES Replace the outdoor unit PCB 61 Domestic Air Conditioner or HSU12/18VHJ(DB) 7.3.6 Functions and control Overheat Protection For Exhaust Temperature Indoor display F4 outdoor display LED1 flash 8 times Method of the exhaust temperature control is checked with the temperature being detected Malfunction by the exhaust pipe thermistor Detection Malfunction when the compressor discharge temperature is above 117ć Decision Conditions Supposed Ƶ Electronic expansion valve defective Causes Ƶ Faulty thermistor Ƶ Faulty PCB Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred. Electrify the machine again and turn it on with the remote controller, then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit 1) The cryogen may have been leaked during installation, or there may be leakage in the YES the temperature exceeds 110ć shortly piping system. after the machine 2) There may be other causes to make the exhaust temperature too high. NO Measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit Malfunctions occur after running YES Exhaust temperature for some time? even though the sensor is broken and asured temperature is below needs be replaced 117ć. NO 62 Domestic Air Conditioner Functions and control HSU12/18VHJ(DB) Pull out the exhaust sensor and measure its resistance at standard NO temperatures The sensor is damaged. Replace the sensor with a new one. according to the resistance-temperature table YES YES the results deviate The sensor is damaged. Replace the sensor with a new one. much? NO The outdoor mainboard is damaged and needs be replaced 7.3.7 The EEPROM Abnormality (Indoor or outdoor unit) E4: ˖Indoor EEPROM error Indoor Display F12˖Outdoor EEPROM error Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes the Data detected by the EEPROM are used to determine MCU when the Data of EEPROM is error or the EEPROM is damaged Ƶ Faulty EEPROM data Ƶ Faulty EEPROM Ƶ Faulty PCB * Caution Be sure to turn off power switch before connect or disconnect connector, Troubleshooting parts damage may be occurred. YES Check whether LED1 on The outdoor mainboard the outdoor unit blinks 1 is damaged. Replace it times with a new one. NO the indoor damaged, mainboard and is needs replacing with a new one 63 Domestic Air Conditioner or HSU12/18VHJ(DB) 7.3.8 Functions and control Communication error between the indoor and outdoor units Indoor display Outdoor: display˖ Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes E7˗ LED1 flash 15 times The date received from the another unit in indoor unit-outdoor unit signal transmission is checked whether is normal When the date sent from the another unit cannot be received normally,or when the content of the data is abnormal Ƶ indoor unit- outdoor unit signal transmission error due to wiring error Ƶ Faulty PCB Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred. Restart the a/c and it The outdoor mainboard needs Yes dehumidification. becomes normally. NO If starting up normally, but The outdoor mainboard Yes malfunction occurs again needs dedust. after a while No Check whether the linking cable No between the indoor and outdoor 1. Reconnect the linking cable; 2. Replace the linking cable with is well connected or whether its new one. core wires are well insulated. Yes ˄A˅ 64 Domestic Air Conditioner HSU12/18VHJ(DB) Functions and control ˄A˅ Check the status of LED1 Yes on the indoor mainboard. If the LED1 blinks measure the voltage between Jumpers 3 and 4 of IC8 on the indoor No mainboard with a multimeter. Test the outdoor power supply (230VAC and +310VDC) with a multimeter. If the voltage is of a If 230VAC is available but 310DC not, the power module is constant value of 0V DCto5V DC damaged, replace it with a new one. Yes If both 230VAC and 310DC are available, NO The measure indoor mainboard is damaged; replace it with a new +12V(from7805)is available. one. The outdoor mainboard is damaged; Replace them with a YES new one. If the LED1 is off within two minutes after the machine is supplied with If the value is constant at about 30V, power, the indoor mainboard is damaged, measure the AC voltage replace it with a new one. between positions 1 and 3 on the terminal of outdoor unit with a multimeter. If the value varies between 0 and 80 The outdoor mainboard is damaged; VAC, the outdoor mainboard is replace it with a new one. damaged, replace it with a new one. 65 Domestic Air Conditioner NO HSU12/18VHJ(DB) Functions and control 7.3.9 Power Supply Over or under voltagve fault Indoor display F19 outdoor display: LED1 flash 6 times Method of An abnormal voltage rise or fall is detected by checking the specified voltage detection circuit. Malfunction Detection Malfunction An voltage signal is fed from the voltage detection circuit to the microcomputer Decision Conditions Supposed Ƶ Supply voltage not as specified Causes Ƶ the IPM module is broken Ƶ the outdoor PCB is broken Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred. Check the power supply No Is it rated power? This question may be caused by the power Yes Check the IPM module No Is it normal? Change the new one Yes Change the outdoor PCB About how to check the IPM module,please refer to IPM protection fault 66 Domestic Air Conditioner Functions and control HSU12/18VHJ(DB) 7.3.10 Loop of the station detect error Outdoor Display LED1 flash 18 times Indoor Display F11 LED1 flash 19 times Indoor Display F28 Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting The position of the compressor rotor can not detected normally when the The wiring of compressor is wrong or the connection is poor; or the compressor is damaged Ƶ Faulty The wiring of compressor Ƶ Faulty compressor Ƶ Faulty PCB * Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Within 3 minutes after the machine YES is supplied with power and turned on with the remote controller, the 1. The wiring of compressor is incorrect or the connection is poor; compressor couldnot stard up 2. The compressor is damaged NO At frist, the compressor start up ,soon YES the compressor stopped with the LED1 IPM Module is damaged and on the outdoor PCB blinks˄1Hz˅for 19 needs replacing. times Malfunction unsolved the Malfunctions exist also, . The compressor is damaged replace a new one 67 Domestic Air Conditioner HSU12/18VHJ(DB) Installations 8. Installations Selection of Installation Place Necessary Tools for Installation ƽ ƽ ƽ ƽ ƽ ƽ ƽ Torque wrench (17mm,22mm,26mm) ƽ Pipe cutter ƽ Flaring tool ƽ Knife ƽ Measuring tape ƽ Reamer Driver Nipper Hacksaw Hole core drill Spanner(17,19 and 26mm) Gas leakage detector or soap-and-water solution Indoor Unit ƽ Place, robust not causing vibration, where the body can be supported suf¿ciently. ƽ Place, not affected by heat or steam generated in the vicinity, where inlet and outlet of the unit are not disturbed. ƽ Place, possible to drain easily, where piping can be connected with the outdoor unit. ƽ Place, where cold air can be spread in a room entirely. ƽ Place, nearby a power receptacle, with enough space around. (Refer to drawings). ƽ Place where the distance of more than lm from televisions, radios, wireless apparatuses and Àuorescent lamps can be left. Power Source ƽ In the case of ¿xing the remote controller on a wall, place where the indoor unit can receive signals when the Àuorescent lamps in the room are lightened. ƽ Before inserting power plug into receptacle, check the voltage without fail. The power source is the same as the corresponding name plate. ƽ Install an exclusive branch circuit of the power. ƽ A receptacle shall be set up in a distance where the power cable can be reached.Do not extend the cable by cutting it. Outdoor Unit ƽ Place, which is less affected by rain or direct sunlight and is suf¿ciently ventilated. ƽ Place, possible to bear the unit, where vibration and noise are not increased. ƽ Place, where discharged wind and noise do not cause a nuisance to the neighbors. ƽ Place, where a distance marked Q is available as illustrated in the above ¿gure. Drawing for the installation of indoor and outdoor units The models adopt HFC free refrigerant R410A Attention must be paid to the rising up of drain hose more than 5cm Optional parts for piping A Non-adhesive tape B Adhesive tape C Saddle (L.S) with screws Connecting electric cable for indoor and outdoor E Drain hose F Heating insulating material G more than 10cm D G Piping hole cover Arrangement of piping directions more than 10cm F Rear left Left Floor ¿xing dimensions of the outdoor unit (Unit:mm) A Rear right Right C Below more than 10cm more than 10cm Fixing of outdoor unit ƽ Fix the unit to concrete or block ƽ The marks from A to G in the ¿gure are the parts numbers. ƽ The distance between the indoor unit and the Àoor should be more than 2m. with bolts (10mm) and nuts ¿rmly and horizontally. ƽ When ¿tting the unit to wall surface, roof or rooftop, ¿x a supporter surely with nails or wires in consideration of D E earthquake and strong wind. ƽ If vibration may affect the more than 60cm house, ¿x the unit by attaching a vibration-proof mat. more than15cm Please be subject to the actual product purchased , the above picture is just for your reference. 68 +6812/VHJ(DB) Accessory parts Remote controller (1) Drain hose (1) R-03 dry battery (2) Cushion (4) Mounting plate (1) Drain-elbow (1) Plastic cap (4) Ø4X25 Screw (4) Installations 1. Insert the drain hose into the dent of heat insulation materials of indoor unit. 2. Insert the indoor/outdoor electric cable from backside of indoor unit, and pull it out on the front side, then connect them. 3. Coat the Àaring seal face with refrigerant oil and connect pipes. Cover the connection part with heat insulation materials closely, and make sure ¿xing with adhesive tape Heat insulation material Lid for left piping Lid for under piping pipe Indoor/outdoor electric cable Fix with adhesive tape Selection of pipe ƽ Indoor/outdoor electric cable and drain hose must be bound with refrigerant piping by protecting tape. For 18 For 12 Liquid pipe (Ø) 6.35mm(1/4”) 6.35mm(1/4”) Gas pipe (Ø) 9.52mm(3/8”) 12.7mm(1/2”) [ Other direction piping ] ƽ Cut away, with a nipper, the lid for piping according to the piping direction and then bend the pipe according to the position of wall hole. When bending, be careful not to crash pipes. ƽ Connect beforehand the indoor/outdoor electric cable, and then pull out the connected to the heat insulation of connecting part specially. NOTE˖The thickness of the pipe must be 0.8mm at least. Indoor unit Pipe supporting plate Drain hose Lid for right piping Pipe supporting plate (1) Piping Fitting of the Mounting Plate and Positioning of the wall Hole Fixing the indoor unit body When the mounting plate is ¿rst ¿xed ƽ Hang surely the unit body onto the upper notches of the 1. Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be ¿xed against the wall, then temporarily fasten the plate with one steel nail. mounting plate. Move the body from side to side to verify its secure ¿xing. 2. Make sure once more the proper level of the plate, by hanging a thread with a weight from the central top of the plate, then fasten securely the plate with the attachment steel nail. 3. Find the wall hole location A using a measuring tape ƽ In order to ¿x the body onto the mounting plate,hold up the body aslant from the underside and then put it down perpendicularly. mounting plate Unloading of indoor unit body B= Ø 60mm ƽWhen you unload the indoor unit,please use your hand to arise the body to leave agraffe, then lift the bottom of the body outward slightly and lift the unit aslant until it leaves the mounting plate. 30mm A=145mm agraffe mounting plate B= Ø 60mm A=145mm 30mm Removing the wiring cover When the mounting plate is ¿xed side bar and lintel ƽ Remove terminal cover at right bottom corner of indoor unit, then take off wiring cover by removing its screws. ƽ Fix to side bar and lintel a mounting bar, Which is separately sold, and then fasten the plate to the ¿xed mounting bar. ƽ Refer to the previous article, “ When the mounting plate is ¿rst ¿xed “, for the position of wall hole. When connecting the cable after installing the indoor unit Making a Hole on the Wall and Fitting the Piping Hole Cover 1. Insert from outside the room cable into left side of the wall hole, in which the pipe has already existed. 2. Pull out the cable on the front side, and connect the cable making a loop. ƽ Make a hole of 60 mm in diameter, slightly descending to outside the wall. ƽ Install piping hole cover and seal it off with putty after installation Wall hole When connecting the cable before installing the indoor unit Ø60mm Thickness of wall ƽ Insert the cable from the back ƽ Loosen the screws and insert Outdoor side Indoor side (Section of wall hole) Connecting the indoor/outdoor Electric Cable ƽ G Piping hole pipe ƽ Installation of the Indoor Unit side of the unit, then pull it out on the front side. the cable ends fully into terminal block, then tighten the screws. Pull the cable slightly to make sure the cables have been properly inserted and tightened. After the cable connection, never fail to fasten the connected cable with the wiring cover. Drawing of pipe [ Rear piping ] ƽ Draw pipes and the drain hose, then fasten them with the adhesive tape [ Left・Left-rear piping ] ƽ In case of left side piping, cut away, with a nipper, the lid for left piping. ƽ In case of left-rear piping, bend the pipes according to the piping direction to the mark of hole for left-rear piping which is marked on heat insulation materials. Note 69 When connecting the cable, con¿rm the terminal number of indoor and outdoor units carefully. If wiring is not correct, proper operation can not be carried out and will cause defect. +6812/VHJ(DB) Installations Outdoor unit 4G0.75mm2 Power cable: 3G1.5mm 2 ^ Connection of pipes ƽ To bend a pipe, give the roundness as large as possible not to crush the pipe , and the bending radius should be 30 to 40 mm or longer. ƽ Connecting the pipe of gas side ¿rst makes working easier. ƽ The connection pipe is specialized for R410A. 1(N ) 2 (L) 3 (C ) POWER HSU12VHJ(DB) Drawing for the installation of indoor and outdoor units Install according to 1(N) 2 (L) 3 (C) Indoor unit Installation of Outdoor Unit Half union Flare nut Forced fastening without careful centering may damage the threads and cause a leakage of gas. Pipe Diameter(Ǜ) Spanner Torque wrench Fastening torque Liquid side6.35mm(1/4") 18N.m Liquid/Gas side9.52mm(3/8") 42 N.m Gas side 12.7mm(1/2") 55N.m Gas side 15.88mm(5/8") 60 N.m Be careful that matters, such as wastes of sands, etc. shall not enter the pipe. Outdoor unit A The standard pipe length is 5m. If it is over 7m, the function of the unit will be 1(N) 2 (L) 3 (C) affected. If the pipe has to be lengthened, the refrigerant should be charged, according to 20 g/m. But the charge of refrigerant must be conducted by professional air conditioner engineer. Before adding additional refrigerant, perform air purging from the refrigerant pipes and indoor unit using a vacuum pump,then Indoor unit 4G0.75mm2 charge additional refrigerant. CAUTION HSU18VHJ(DB) Power cable: 3G2.5mm 2 ^ 1(N ) 2 (L) 3 (C ) POWER Outdoor unit Indoor unit B B A A Indoor unit Outdoor unit Ɣ Ɣ Outdoor unit Max.Elevation: Amax=15m In case the elevation A is more than 5m, oil trap shoud be B A Oil trap Indoor unit installed every 5~7m Ɣ Ɣ Max. Length: Bmax=25m In case the pipe length B is more than 10m, the refrigerant 1. If the supply cord is damaged, it must be replaced by the manufacturer or its should be charged, according to 20 g/m. service agent or a similar quali¿ed person. The type of connecting wire is H05RN-F or H07RN-F. 2. If the fuse on PC board is broken please change it with the type of T. 3.15A/250V. Connection ƽ Use the same method on indoor unit. Loosen the screws on 3. The wiring method should be in line with the local wiring standard. 4. After installation, the power plug should be easily reached. ƽ 5. A breaker should be incorporated into ¿xed wiring. The breaker should be all-pole switch and the distance between its two contacts should be not less than 3mm. ƽ ƽ Outdoor unit terminal block and insert the plugs fully into terminal block, then tighten the screws. Insert the cable according to terminal number in the same manner as the indoor unit. If wiring is not correct, proper operation can not be carried out and controller may be damaged. Fix the cable with a clamp. Attaching Drain-Elbow ƽ If the drain-elbow is used, please attach it as ¿gure. (Note: Only for heat pump unit.) Purging Method:To use vacuum pump 1. Detach the service port’s cap of 3-way valve, the valve rod’s cap for 2-way valve and 3-way’s, connect the service port into the projection of charge hose (Iow) for gaugemanifold. Then connect the projection of charge hose (center) for gaugemanifold into vacuum pump. 2. Open the handle at Iow in gaugemanifold, operate vacuum pump. If the scalemoves of gause (Iow) reach vacuum condition in a moment, check 1. again. 3. Vacuumize for over 15min.And check the level gauge which should read -0.1MPa (76 cm Hg) at Iow pressure side. After the completion of vacuumizing, close the handle ‘Lo’ in gaugemanifold and stop the operation of the vacuum pump. Check condition of the scale and hold it for 1-2min. If the scale-moves back in spite of tightening, make Àaring work again, the return to the beginning of 3 . 4. Open the valve rod for the 2-way valve to an angle of anticlockwise 90 degrees. After 6 seconds, close the 2-way valve and make the inspection of gas leakage. 70 +6812/VHJ(DB) 5. No gas leakage? In case of gas leakage, tighten parts of pipe connection. If leakage stops, then proceed 6. steps Installations On Drainage ƽ Please install the drain hose so as to be downward slope without fail. ƽ Please don’t do the drainage as shown below. If it does not stop gas leakage, discharge whole refrigerants from the service port. After Àaring work again and vacuumize, ¿ll up prescribed refrigerant from the gas cylinder. Less than 5cm 6. Detach the charge hose from the service port, open 2-way valve and 3-way. Turn the valve rod anticlockwiseuntil hitting lightly. leakage, turn the service port’s cap, the valve rod’s cap for 2-way valve and 3-way’s a little more than the point where the torque increases suddenly. 7.To prevent the gas 8. After attaching the each caps, check the gas It becomes The end is imm- It waves. The gap with the There is the bad high midway. ersed in water. ground is too smaOlsmell from a ditch ƽ Please pour water in the drain pan of the indoor unit, and con¿rm that drainage leakage around the caps. is carried out surely to outdoor. ƽ In case that the attached drain hose is in a room, please apply heat insulation to it without fail. Step 1. Step 2. 2-way valve Liquid Side 3-way valve Gas Side Open Ƶ Refrigerant charge label Gaugemanifold(for R410A) Anti countercurrent joint Contains fluorinated greenhouse gases covered by the Kyoto Protocol Step 3. Close Tube(for R410A) Step 4. Vacuum pump(for R410A) Step 6. 2-way valve R410A 1= kg 2 2= kg 1+2= kg 1 2-way valve 3-way valve 3-way valve O Open 90 F 2-way valve 3-way valve Step 7. Valve rod cap Valve rod cap Service port cap CAUTION ƽ If the refrigerant of the air conditioner leaks, it is necessary to discharge all the refrigerant. Vacuumize ¿rst, then charge the liquid refrigerant into air conditioner according to the amount marked on the name plate. ƽ Please do not let other cooling medium, except speci¿ed one (R410A), or air enter into the cooling circulation system. Otherwise, there will be abnormal high pressure in the system to make it crack and lead to personal injuries. Power Source Installation ƽ The power source must be exclusively used for air conditioner. (Over I0A) ƽ In the case of installing an air conditioner in a moist place, please install an earth leakage breaker. ƽ For installation in other places, use a circuit breaker as far as possible. Conventional Àare tool clutch-type(Rigid-type) Wing-nut type (Imperial-type) 1.Cut pipe Flare tooling die 3.Insert the Àare nut Correct Put check mark Damage of Àare Crack 1.5~2.0mm 2.Remove burs 4.Flare pipe Partial in boxes Gas leak from pipe connecting? Heat insulation of pipe connecting? Are the connecting wirings of indoor and outdoor ¿rmly inserted to the terminal block? Is the connecting wiring of indoor and outdoor ¿rmly ¿xed? Is drainage securely carried out? Is the earth line securely connected? Is the indoor unit securely ¿xed? Is power source voltage abided by the code? Is there any noise? Is the lamp normally lighting? Are cooling and heating (when in heat pump) performed normally? Is the operation of room temperature regulator normal? Incorrect Lean E Check Items for Test Run Clutch-type 1.0~1.5mm D Ƶ Please kindly explain to our customers how to operate through the instruction manual. be removed. Flare tool for R410A 0~0.5mm C Ƶ Check for Installation and Test Run Cutting and Flaring Work of Piping ƽ Pipe cutting is carried out with a pipe cutter and burs must ƽ After inserting the Àare nut, Àaring work is carried out. A B This product contains fluorinated greenhouse gases covered by the Kyoto Protocol. Do not vent into the atmosphere. Refrigerant type:R410A GWP* value:1975 GWP=global warming potential Please fill in with indelible ink, •1 the factory refrigerant charge of the product •2 the additional refrigerant amount charged in the field and • 1+2 the total refrigerant charge on the refrigerant charge label supplied with the product. The filled out label must be adhered in the proximity of the product charging port (e.g. onto the inside of the stop value cover). A contains fluorinated greenhouse gases covered by the Kyoto Protocol B factory refrigerant charge of the product: see unit name plate C additional refrigerant amount charged in the field D total refrigerant charge E outdoor unit F refrigerant cylinder and manifold for charging 2-way valve 3-way valve A Too outside 71 HSU12/18VHJ(DB) Removal Procedure 9. Removal Procedure 9.1 For 12K Indoor unit 9.1.1 Removal of Front Panel Procedure Step 1. Features Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points 2. Remove the front panel 1 Hold the front panel by the tabs on the both sides and lift it until it stops with a click. 2 Open the front panel to the horizontal position. Release the both sides pivots and remove the When assembling, align the right and left axes with grooves in turn and insert them to the end. front panel. 72 +6812/VHJ(DB) Step 3 Pull the front panel Procedure Removal Procedure Points out horizontally and remove it. 73 +6812/VHJ(DB) Removal Procedure 9.1.2 Removal of Air Filter Step Procedure Points Insert the air upwards slightly and then pull it when installing. When installing, out downwards. insert 2 hooks of the 74 +6812/VHJ(DB) Removal Procedure 9.1.3 Removal of the blade Step Procedure Points Insert the air Release the marked hooks. Pull out and remove the blade. when installing. When installing, insert 2 hooks of the 75 +6812/VHJ(DB) Removal Procedure 9.1.4 Removal of Front Case Step 1 2 Procedure Points Release the screw covers Loosen the 2 76 +6812/VHJ(DB) Step 3 4 Procedure Removal Procedure Points Loosen the marked hooks. Pull out the front case. 77 +6812/VHJ(DB) Removal Procedure 9.1.5 Removal of Vertical Blades and Display Board Step Procedure 1 Pull out the Vertical Blades. 2 screws,and remove Points the display board. Loosen the screw of 3 the drip proof plate. Lift and remove the electrical box. 78 +6812/VHJ(DB) Removal Procedure 9.1.6 Removal of Fan Drain pan and Electrical Box Step 1 2 Procedure Points Loosen the 2 screws. Pull out the drain pan. Discharge the static electricity from your body before touching the electrical parts like signal receiver PCB. It may cause the Loosen the screw of 3 the drip proof plate. Lift and remove the electrical box. malfunction of PCB. 79 12/ VHJ(DB) Removal Procedure 9.1.7 Removal of Fan Motor and Heat Exchanger Step 1. Remove the right side plate. 1 Loosen the Procedure Points You can detach the indoor unit without removing the assembly of the outlet grille. 2 screws. 2 3 Caution If gas leaks, repair the spot of leaking, then collect all refrigerant from the unit. After conducting vacuum drying, recharge proper amount of refrigerant. Remove the Caution Do not contaminate any gas (including air) other than the specified refrigerant (R410A), into refrigerant cycle. (Contaminating of air or other gas causes abnormal high pressure in refrigerating cycle, and this results in pipe breakage or personal injuries.) Lift up the evaporator Pay attention so that the residual water in the drain will not make the floor wet. In case that a drain hose is buried inside a wall, remove it after the drain hose in the wall is pulled out. Use two wrenches to disconnect pipes. When disconnecting pipes, cover every nozzle with caps so as not to let dust and moisture in. Caution 3. Remove the fan. 1 Be careful not to Loosen the 2 screws. evaporator. 80 +6812/VHJ(DB) Step 2 Lift up the right Procedure Points part of the fan motor and slide it to the rightward to remove. 3 Removal Procedure Lift up the right part of the fan and remove it 81 HSU12/18VHJ(DB) Removal Procedure 9.2 For 18K indoor unit 9.2.1 Removal of Front Panel Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Step Points 1. Remove the front panel. 1 Open the front panel to the horizontal position. Release the both sides pivots and remove the front panel. Start the removal procedure of front grille when the panels are closed. Slide the front panel side to side to release each axis. When assembling, align the right and left axes with grooves in turn and insert them to the end. 82 +6812/VHJ(DB) 9.2.2 Removal of Air Filter Procedure Step 1. Removal Procedure Points Lift an air filter upwards slightly and then pull it out downwards. Insert the air filters along grooves when installing. When installing, insert 2 hooks of the air filter completely. 83 +6812/VHJ(DB) Removal Procedure 9.2.3 Removal of Horizontal Blade And Front Grille Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Step Points 1. Remove the horizontal blade. 1 Release the center pivot. The horizontal blade is single. blade Installation procedure 1. Since key pattern hook is provided, rotate the blade and fit it to the left pivot first. 2. Fit the blade to the right pivot. 3. Fit the blade to the center pivot. 2 Bend the horizontal blade slightly and remove it. 84 +6812/VHJ(DB) Procedure Step 1 2 Removal Procedure Points Loosen the marked five screws Release the marked four hooks. When assembling, install the front grille horizontally so as not to stuff the flap inside. When assembling, make sure the three hooks are e caught prop rly. 85 +6812/VHJ(DB) Removal Procedure 9.2.4 Removal of Drain pan Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Step Points Remove the front grille. Remove the assembly of the reduction motor. 1. Remove the Drain pan. 1 Loosen the marked screws under the screw covers 2 Loosen the marked hooks 3 Lift up and remove the drain pan. 86 +6812/VHJ(DB) Removal Procedure 9.2.5 . Removal of Vertical Blades and Swing Motor Procedure 2 Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Step 1 Warning Points Loosen the marked screws Push the hooks on the back of the vertical blades and remove. 87 +6812/VHJ(DB) Removal Procedure 9.2.6 Removal of Electrical Box Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Step Points Remove the front grille. 1. Remove the electrical box. 1 Loosen the screw of the drip proof plate. 2 Lift and remove the drip proof plate. Discharge the static electricity from your body before touching the electrical parts like signal receiver PCB. It may cause malfunction of PCB. 88 HSU12/18VHJ(DB) Removal Procedure 9.2.7 Removal of Heat Exchanger Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Step Points You can detach the indoor unit without removing the assembly of the outlet grille. 1 2 Loosen the screws fixed to the installation plate. Caution If gas leaks, repair the spot of leaking, then collect all refrigerant from the unit. After conducting vacuum drying, recharge proper amount of refrigerant. Caution Do not contaminate any gas (including air) other than the specified refrigerant (R410A), into refrigerant cycle. (Contaminating of air or other gas causes abnormal high pressure in refrigerating cycle, and this results in pipe breakage or personal injuries.) Loosen the marked hooks 3 Loosen the marked screws and remove mounting plate Pay attention so that the residual water in the drain will not make the floor wet. In case that a drain hose is buried inside a wall, remove it after the drain hose in the wall is pulled out. Use two wrenches to disconnect pipes. When disconnecting pipes, cover every nozzle with caps so as not to let dust and moisture in. 89 +6812/VHJ(DB) Removal Procedure 9.2.8 Removal of Heat Exchanger Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Step 1 Loosen thescrews. 2 Remove the right side plate. Points 90 HSU12/18VHJ(DB) 9.3 For 12/18K Outdoor unit 9.3.1 Removal of Outdoor Panel 91 Removal Procedure HSU12/18VHJ(DB) 1 Loosen the top panel screws 2 Lift the top panel 92 Removal Procedure HSU12/18VHJ(DB) Removal Procedure Loosen the csrews and pull the panel 93 Domestic air conditioner HSU12/18VHJ(DB) 9.3.2 Removal of Electrical Box 94 Removal Procedure HSU12/18VHJ(DB) 9.3.3 Removal of Fan and Fan Motor 95 Removal Procedure HSU12/18VHJ(DB) 2 Loosen the fixing screws and remove the motor 96 Removal Procedure HSU12/18VHJ(DB) 9.3.4 Removal of fan motor Bracket and Partition 97 Removal Procedure HSU12/18VHJ(DB) Loosen the screw and remove the reactor 98 Removal Procedure HSU12/18VHJ(DB) 9.3.5 Removal of Computor and Heat Exchanger Loosen the marked screws and pull out the backgurd 99 Removal Procedure HSU12/18VHJ(DB) 4 Remove the compre -ssor and pipe assay 5 Remove the conden -ser 100 Removal Procedure +689+-'% $SSHQGL[ 3LSLQJ'LDJUDPV 101 $SSHQGL[ Appendix HSU12/18VHJ(DB) 10.2 Wiring Diagrams 10.2.1. 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2 104/50V 2 R80 10K 104/50V R84 104/50V 104/50V 104/50V 5.1K/1% +5V N2 R43 2SC2412K 330 20K/1% 10K +5V R49 10K 1 2 R85 COM CN23 5V 3 COM 2 GND 1 1 1 2 1 CN10 3 2 1 R89 1 IC10 D5 LL4148 C23 C24 C25 C26 C10 +5V 5 1N4007 D2 1N4007 1 R5 220K D4 IC11 4 6 102/50V C18 D1 1N4007 R4 220K D11 LL4148 2SC2412K N3 R42 5.1K/1% 102/50V D K1 K2 J21 22U/250V/450V B 2SC2412K N5 J16 J10 J8 J3 R40 5.1K/1% PC817A R11 330K 1N4007 D3 R3 22K/2W J33 R94 0 C14 R37 330 K6 C C 2U/450V C1 2SC2412K N4 R88 R93 0 2SC2412K N1 J9 R41 1K K4 J34 12V-5A-892-1CC-C 12V-5A-892H(N)-1AC-C 12V-5A-892H(N)-1AC-C 12V-25A-891P-1A-C 12V-5A-892H(N)-1AC-C 12V-5A-892H(N)-1AC-C +12V+12V +5V +5V J7 J6 +15V+15V J15 J13 J23 J14 J12 R92 0 R39 10K 4 J32 20K/1% PC817A IC9 1 H FUSE2 T1A/250V K3 330 2 L R76 R36 1K 3 R38 CN14 CN15 C COM 20K/1% E9 47U/25V R33 2.2K 1 C 102/50V 103/50V C15 IC8 4 H 1 2 3 4 +5V B C22 R34 1K ZD2 10V/0.5W R13 330/1W ZD3 5.1V/0.5W CX7 104/275V L +12V P N +5V R12 100/1W CX4 103/275V COM ERROR LED1 +15V CN21 310V 1 2 0V 3 15V 4 VSP 5 FB 6 470N K5 ST 102/50V N P COM R74 10K/1% RA-362M 8MH/20A J28 J29 J30 J31 PTC1 R73 10K/1% 1 PE S14K350 CX3 225/275V 4 CN11 CN36 CN25ⱑ CN27 C21 RV3 S14K350 CY2 472/250V/275V RV2 SA1 8MH/20A CX2 225/275V CY6 472/250V/275V 1 L2 R2 1M CY5 472/250V/275V CX1 225/275V CY4 103/250V/275V R1 1M CY3 103/250V/275V RV1 S14K350 CN3 C AC-L OUT CN9 1 1 L1 T25A 250VAC AC-N G/Y AC-N OUT CN8 J24 J25 J26 J27 1 AC-L CN1 WHITE FUSE1 CY1 472/250V/275V BLACK D AC-L AC-N CN6 1 CN5 CN2 3 9 8 7 6 5 4 3 2 1 2 1 1 IC7 ULN2003 R66 R67 R68 R69 R70 R71 R72 1K 1K 1K 1K 1K 1K 1K 1 16 2 15 3 14 4 13 5 12 6 11 7 10 GND 12V C13 104/50V CN16 D C B A 1 2 3 4 5 6 +12V A C12 104/50V +5V FUCTION TEST 1 1 2 3 109 4 3 Appendix HSU12/18VHJ(DB) 1 2 4 3 D D ADJ 2 3 J114 B R26 1K R27 IC1 8 HV NC CS VCC 7 R18 47 C2 102/100V D9 4 MUR115\MUR130\ER106 6 5 GND DRV NCP1200P100 R15 E4 470U/25V 5 15 C9 104/50V C 4 R21 222/250VAC CN22 1 2 3 R17 330/1W C6 104/50V B R32 5.1K/1% IRFUC20 IC2 PC817A 3 2/1W CY9 220 220 +15V E3 22U/25V M1 10K C4 103/50V R16 7 FB L3 20UH/1A R29 E6 47 100U/16V E5 470U/25V R28 5.1K/1% 1 R90 0 E8 100U/16V 104/50V 1K/0.5W D7 6 MBR1100\SB1100 5.1K/1% 10K R22 +5V 3 +5VD R24 R25 C8 Vout D10 ER106 CX5 104/275V ZD1 IN5948B 3 L7805CV Vin R20 CY8 472/1KV IC4 C7 104/50V C C3 +12V 102/100V 1 2 R14 100K/2W 1 D8 10 MBR3100\ER302 E7 470U/25V 9 GND 47 P N R19 E22034 T1 1 2 R30 1K R31 1K C5 104/50V IC3 TL431C A A 1 1 2 3 2 3 4 4 D D CN26 P C 1 C P R23 220K/2W E1 E2 680U/400V/450V 680U/400V/450V CX6 105/275VAC LED2 POWER 1 N CN24 N B B A A 1 2 3 110 4 Appendix HSU12/18VHJ(DB) FOR18K module board Circuit Diagrams L 5. 2MH/15A CN7 CN6 2 LI CN1 P D207 FFA30U60DN 24 P 1 3 C405 104/275V CN4 W C208 104 IC5 7 HA17393AF 15V R230 D203 US1M C032 104 D202 US1M C034 104 D201 US1M C036 104 10 R209 1K 5 IC6 7 5V 5V R202 6. 2K 1K 6 R203 1K 5 IC4 7 15V CN10 C504 100U/25V 3 2 1 HA1630D06 R204 6. 2K C501 100U/16V POWER(BLUE) 5V PC2 R012 330 PC817A MMBT9013 TR3 CX7 104/275V 103/50V C15 E9 47U/25V R33 2.2K R36 1K +5V 4 3 PC817A IC9 1 1 R38 2 330 2 3 R35 1K CN4 CX8 103/275VAC CY7 472/250V/275V 22U/250V/450V D4 R6 220K E10 TLP371 5 R7 10K R8 10K 103/50V C17 C14 IC10 PC817A C10 A C20 102/50V CN33 2 1 VNO VNC CIN 10K 10K 1 2 1K 1K 1K 1K R75 2K R46 2 5.1K/1% P1 2SA1037AK CN30 GND 1 PC 2 HEAT 3 COOL 4 TEST/SS 5 R51 10K C16 103/50V +5V R53 10K R54 10K R55 1K R56 1K R57 1K R58 1K XT1 4M R95 10K R59 2K P2 2SA1037AK R96 10K 4 3 J20 R63 560 R61 R60 10K 1 1 C C 2U/450V C1 2SC2412K N4 D J5 J4 2K R62 10K R64 10K IC6 5 6 7 R65 8 10K SDA SCL GND VCC AT24C02B GND GND GND GND 4 3 2 1 10K R87 5.1K/1% D6 LL4148 CN17 +5V 3 2 1 E11 4.7U/16V 3 2 1 E12 4.7U/16V R91 C CN19 10K 2 1 E13 4.7U/16V CN20 3 2 1 E14 4.7U/16V C19 104/50V CN31 +5V 1K 1 2 R52 10K H CN18 J2 J1 10K R45 J18 R83 R81 R79 R77 R86 5.1K/1% N2 R43 2SC2412K 330 4 D5 LL4148 104/50V R84 104/50V 104/50V 104/50V 5.1K/1% 104/50V C11 104/50V R47 J19 J17 R50 1K FO R85 +5V R48 10K L C23 C24 C25 C26 R89 SW1 R49 10K D11 LL4148 2SC2412K N3 R42 5.1K/1% 3 CN32 TEST/SS 1 GND 2 +5V 5 4 3 2 1 1 2SC2412K N5 J16 J10 J8 J3 COM CN23 5V 3 COM 2 GND 1 VN1 WN VN UN VNC VP1 WP VP J33 R44 10K 2 CN15 K1 K2 1 1 R10 1K C COM +5V +5V 1N4007 D2 1N4007 1 R5 220K IC11 4 6 102/50V C18 D1 1N4007 R4 220K K6 J21 R11 330K 1N4007 D3 R3 22K/2W C CN14 R88 R94 0 102/50V PC817A H J34 12V-5A-892-1CC-C 12V-5A-892H(N)-1AC-C 12V-5A-892H(N)-1AC-C 12V-25A-891P-1A-C 12V-5A-892H(N)-1AC-C 12V-5A-892H(N)-1AC-C R40 5.1K/1% R37 330 L J32 K4 R93 0 2SC2412K N1 J9 R41 1K COM FUSE2 T1A/250V K3 +12V+12V +5V +5V J7 J6 +15V+15V J15 J13 J23 J14 J12 R92 0 R39 10K 4 K5 ST +12V P N IC8 R12 100/1W CX4 103/275V 47K/1% 8MH/20A J28 J29 J30 J31 N P +15V R34 1K ZD2 10V/0.5W R13 330/1W ZD3 5.1V/0.5W CX3 225/275V COM 470N 20K/1% RA-362M CX2 225/275V PTC1 R73 10K/1% PE S14K350 CY2 472/250V/275V S14K350 4 CN11 CN36 CN25ⱑ CN27 20K/1% RV3 8MH/20A CY1 472/250V/275V SA1 1 5V 20K/1% RV2 R2 1M CX1 225/275V CY4 103/250V/275V R1 1M L2 CY3 103/250V/275V RV1 S14K350 1 B 1 J24 J25 J26 J27 L1 AC-N CN21 310V 1 2 0V 3 15V 4 VSP 5 FB 6 AC-L OUT CN9 1 AC-N OUT CN8 1 FUSE1 1 CN3 D208 LL4148 3 AC-L AC-N CN6 1 CN5 AC-L CN1 UP 2 T25A 250VAC 4. 7U/16V C503 Diagrams 1 CN2 IC2 T600D 102/50V control board Circuit 5V C013 104 330 PC817A C016 472 X1 10M C005 104 1 2 3 4 +5V B C22 330 D204 LL4148 CN13 C017 223 R013 CY5 472/250V/275V communicate R014 R016 1K C018 103 R018 4. 7K TR2 C014 MMBT9012 102 PC1 5V R82 3 2 1 R019 4. 7K 4. 7K R015 CN11 C011 104 5V R80 R206 1K R201 R78 1 R76 IC4 4 HA1630D06 IC1 SH7046 ERROR LED1 8 2 3 C202 104 R010 4. 7K 20 19 18 17 16 15 14 13 12 11C001 10 104 9 8 7 C015 6 102 5 4 3 2 1 102/50V R205 1K 8 7 6 5 IC3 24C04 C006 474 41 R009 4. 7K 42 43 44 45 46 47 R006 100 R005 4. 7K C020 48 102 49 C019 50 R017 4. 7K 103 51 52 53 54 C028 55 R007 4. 7K 103 56 57 CN12 58 RES 59 7 FWP 60 6 TXD 5 RXD 4 MD1 3 5V 2 GND 1 5V 1 2 3 4 C002 104 C410 47U/25V HA1630D06 R210 6. 8K 5V C004 104 C21 4 HA1630D06 R211 1K 6 5V R74 10K/1% C201 104 1K C411 47U/25V 9 8 7 6 5 4 3 2 1 1 3 R207 224 C003 104 CN12 IC6 R008 4. 7K 1 2 2 D206 24V/1W C023 C022 103 C412 47U/25V 1 8 VWFB R213 100 1 C203 104 D205 R212 9. 1K 15V 9 10 11 12 13 14 15 16 17 C205 223 8 R229 4.22K R228130K R227130K R226130K R011 4. 7K 8 40 39 38 37 36 35 34 33 32 31 30 29 R231 4.7K 28 27 26 25 24 23 22 21 5 CY6 472/250V/275V R224 4. 7K 7 61 62 63 64 R001 4.7K 65 66 R002 4.7K 67 68 R004 4.7K 69 70 71 72 73 74 C008 75 76 474 77 C009 78 471 79 80 6 R220 82 R208 6. 8K C W 21 C007 474 R218 82 C207 104 6 IC5 5V G/Y CN3 V C413 100U/25V C204104 4 HA17393AF TR1 MMBT9013 5 R003 4.7K R221 140 4 2 1 2 C502 100U/25V 3 C029 471 R216 10 3 R222 3 2 1 C012 104 WHITE V 22 5V C030 471 330 2 R225 VVFB 5V VUFB R214 100 15V 8 IC7 6 TLP251 5 N CN10 3 R219 1K 5V 2 20 0. 015/5W LL4148 4 RS2 N CN5 0. 015/5W R223 C406 104/275V 680U/400V*2 10K RS1 CN9 AC -N BLACK CN2 U R215 BG1 D25B X60B D U 23 PM1 PS21965-AT IC8 C404 SGH40N60UF 474/275V R217 1K CN8 AC -L LO IC7 ULN2003 R66 R67 R68 R69 R70 R71 R72 1K 1K 1K 1K 1K 1K 1K 1 16 2 15 3 14 4 13 5 12 6 11 7 10 GND 12V C13 104/50V CN16 D C B A 1 2 3 4 5 6 +12V A C12 104/50V +5V FUCTION TEST PC-EN 1 1 2 3 111 4 3 Appendix HSU12/18VHJ(DB) 1 2 4 3 D D ADJ 2 3 J114 B R26 1K R27 IC1 8 HV NC CS VCC 7 R18 47 C2 102/100V D9 4 MUR115\MUR130\ER106 6 5 GND DRV NCP1200P100 R15 E4 470U/25V 5 15 C9 104/50V C 4 R21 222/250VAC CN22 1 2 3 R17 330/1W C6 104/50V B R32 5.1K/1% IRFUC20 IC2 PC817A 3 2/1W CY9 220 220 +15V E3 22U/25V M1 10K C4 103/50V R16 7 FB L3 20UH/1A R29 E6 47 100U/16V E5 470U/25V R28 5.1K/1% 1 R90 0 E8 100U/16V 104/50V 1K/0.5W D7 6 MBR1100\SB1100 5.1K/1% 10K R22 +5V 3 +5VD R24 R25 C8 Vout D10 ER106 CX5 104/275V ZD1 IN5948B 3 L7805CV Vin R20 CY8 472/1KV IC4 C7 104/50V C C3 +12V 102/100V 1 2 R14 100K/2W 1 D8 10 MBR3100\ER302 E7 470U/25V 9 GND 47 P N R19 E22034 T1 1 2 R30 1K R31 1K C5 104/50V IC3 TL431C A A 1 2 3 4 1 2 3 4 D D CN26 P C 1 C P R23 220K/2W E1 E2 680U/400V/450V 680U/400V/450V CX6 105/275VAC LED2 POWER 1 N CN24 N B B A A 1 2 3 112 4 +689+-'% /LX0LQJ 6XQ4LDQJ <DQJ%LIHL :X+RQJMLQ ">

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