Service Manual
Page 1
... individuals of law Haier Group SERVICE MANUAL Order No. $&69 Wall mounted Type ON/OFF EK-Series Model No. Any attempt to service a product. Products powered by electricity should be serviced or repaired only by the general public. HSU-18HEK13/R2 HSU-24HEK13/R2 WARNING This service information is designed for experienced repair technicians only and is a violation of potential dangers in attempting to service or repair the product or products dealt with...
... individuals of law Haier Group SERVICE MANUAL Order No. $&69 Wall mounted Type ON/OFF EK-Series Model No. Any attempt to service a product. Products powered by electricity should be serviced or repaired only by the general public. HSU-18HEK13/R2 HSU-24HEK13/R2 WARNING This service information is designed for experienced repair technicians only and is a violation of potential dangers in attempting to service or repair the product or products dealt with...
Service Manual
Page 3
... the room when the unit is working in the "DRY" mode Anti-mold filter: Catches most small particles and remove unpleasant odors effectively Sleep mode: The setting temprature and the indoor noise can be adjusted to a more comfortable level when you set the "sleep mode"during night sleep 24 Hour timer: Use the timer function to set on,or off,or from on to off,or from off to on Auto...
... the room when the unit is working in the "DRY" mode Anti-mold filter: Catches most small particles and remove unpleasant odors effectively Sleep mode: The setting temprature and the indoor noise can be adjusted to a more comfortable level when you set the "sleep mode"during night sleep 24 Hour timer: Use the timer function to set on,or off,or from on to off,or from off to on Auto...
Service Manual
Page 4
... the repair work, ventilate the area. If the refrigerant gas leaks during the repair work .A charged capacitor can also lead to disconnect the power cable plug from the plug socket before conducting repair work is shown inside or near the symbol. HSU-18 24HEK13/R2 Introduction 2. Therefore, be exercised. Working on the equipment that the equipment operates normally, and explain the cautions for operating the product to the customer...
... the repair work, ventilate the area. If the refrigerant gas leaks during the repair work .A charged capacitor can also lead to disconnect the power cable plug from the plug socket before conducting repair work is shown inside or near the symbol. HSU-18 24HEK13/R2 Introduction 2. Therefore, be exercised. Working on the equipment that the equipment operates normally, and explain the cautions for operating the product to the customer...
Service Manual
Page 5
... electrical shock, excessive heat generation or fire. The use parts listed in the installation frame mounted on a window frame. Be sure to install the product securely in the service parts list of the applicable model and appropriate tools to withstand the weight of the equipment. Be sure to install the product correctly by splashing water. Be sure to check that the new installation site has sufficient strength to conduct repair work. If the installation...
... electrical shock, excessive heat generation or fire. The use parts listed in the installation frame mounted on a window frame. Be sure to install the product securely in the service parts list of the applicable model and appropriate tools to withstand the weight of the equipment. Be sure to install the product correctly by splashing water. Be sure to check that the new installation site has sufficient strength to conduct repair work. If the installation...
Service Manual
Page 6
... injury. If the refrigerant gas leaks, be sure to connect between the indoor and outdoor units, make sure that the terminal cover does not lift off or dismount because of the cable. For integral units only 4 Domestic Air Conditioner Be sure to use an exclusive power circuit for installation when conducting electrical work must be stopped, be sure to disposed of a leakage breaker is no force pulling...
... injury. If the refrigerant gas leaks, be sure to connect between the indoor and outdoor units, make sure that the terminal cover does not lift off or dismount because of the cable. For integral units only 4 Domestic Air Conditioner Be sure to use an exclusive power circuit for installation when conducting electrical work must be stopped, be sure to disposed of a leakage breaker is no force pulling...
Service Manual
Page 7
... cooled down sufficiently before conducting repair work. Incorrect use parts listed in a well-ventilated place. If the unit is not securely mounted, it . For integral units only For integral units only 5 Domestic Air Conditioner Working on the unit when the refrigerating cycle section is not conducted securely, the equipment can fall , resulting in the installation frame mounted on a window frame. The internal fan rotates at a high speed, and cause injury. The water inside...
... cooled down sufficiently before conducting repair work. Incorrect use parts listed in a well-ventilated place. If the unit is not securely mounted, it . For integral units only For integral units only 5 Domestic Air Conditioner Working on the unit when the refrigerating cycle section is not conducted securely, the equipment can fall , resulting in the installation frame mounted on a window frame. The internal fan rotates at a high speed, and cause injury. The water inside...
Service Manual
Page 12
... 23 running 5.1.1.1 Single cold automatic run according to the determined mode. When the indoor temperature is or above 26 , the unit enters the cooling mode and conducts the cooling programme (the preset temperature is 26 ), outlet air from fan motor is 26 ). Tr in cold blast avoidance mode. HSU-18 24 HEK13/R2 5 Functions and control Functions and Control 5.1 main functions and control specifications Including brief introduction to air conditioners of indoor coil pipe a.
... 23 running 5.1.1.1 Single cold automatic run according to the determined mode. When the indoor temperature is or above 26 , the unit enters the cooling mode and conducts the cooling programme (the preset temperature is 26 ), outlet air from fan motor is 26 ). Tr in cold blast avoidance mode. HSU-18 24 HEK13/R2 5 Functions and control Functions and Control 5.1 main functions and control specifications Including brief introduction to air conditioners of indoor coil pipe a.
Service Manual
Page 16
... once and unit enters the automatic operation mode. (emergency operation) 5.1.8.2 If the switch is 1 minute. setting decrease 2 one hour later after start up . 5.1.7.1 In cooling/defrosting mode, the temp. There are set synchronously. 5.1.7 Sleep function: the timer indicator lights up . If the wind speed is completed. If timer off when timer setting is set . Executing shutdown instruction clear timer and sleep function. 5.1.6.3 Timer on , and it is off and sleep are several timer mode as...
... once and unit enters the automatic operation mode. (emergency operation) 5.1.8.2 If the switch is 1 minute. setting decrease 2 one hour later after start up . 5.1.7.1 In cooling/defrosting mode, the temp. There are set synchronously. 5.1.7 Sleep function: the timer indicator lights up . If the wind speed is completed. If timer off when timer setting is set . Executing shutdown instruction clear timer and sleep function. 5.1.6.3 Timer on , and it is off and sleep are several timer mode as...
Service Manual
Page 17
... from indoor fan motor: 2 minutes later after the indoor fan motor is charged, and the impulse from timer mode, then timer is cancelled. 5.1.9 Test run: 5.1.9.1 The temperature sensor of inlet air doesn't work, and compressor starts (but subject to the limit of -minute delay excluding the first time), and high wind, cooling, and air door is open.The indoor fan motor runs, running indicator lights up, compressor relay and the one of outdoor fan motor is...
... from indoor fan motor: 2 minutes later after the indoor fan motor is charged, and the impulse from timer mode, then timer is cancelled. 5.1.9 Test run: 5.1.9.1 The temperature sensor of inlet air doesn't work, and compressor starts (but subject to the limit of -minute delay excluding the first time), and high wind, cooling, and air door is open.The indoor fan motor runs, running indicator lights up, compressor relay and the one of outdoor fan motor is...
Service Manual
Page 26
... hole 2 ON/OFF display 3 Ambient temp.display When receiving the remote control signal, display the set temperature and in the rest time the room temperature is displayed and this button to the indoor unit should be disturbed in the manual according to press reset key Domestic Air Conditioner HSU-18 24HEK13/R2 Parts and Functions System Configuration Indoor Unit Remote controller 1 2 3 45 6 5 87 1 Inlet 2 Inlet grille 3 Air Purifying Filter (inside) 54 Outlet 45 Horizontal flap (adjust up .Please change batteries. SLEEP display...
... hole 2 ON/OFF display 3 Ambient temp.display When receiving the remote control signal, display the set temperature and in the rest time the room temperature is displayed and this button to the indoor unit should be disturbed in the manual according to press reset key Domestic Air Conditioner HSU-18 24HEK13/R2 Parts and Functions System Configuration Indoor Unit Remote controller 1 2 3 45 6 5 87 1 Inlet 2 Inlet grille 3 Air Purifying Filter (inside) 54 Outlet 45 Horizontal flap (adjust up .Please change batteries. SLEEP display...
Service Manual
Page 27
... left or right. Remote controller can memorize each press, fan speed changes as follows: Remote controller: AUTO COOL DRY FAN HEAT 3.Select temp.setting Press TEMP+ TEMP- Operation Remote Display Mode Controller Board Note AUTO Under the mode of air flow Vertical flap Pos.1 Pos.2 Pos.3 Pos.4 Pos.5 (Auto swing) 2.Left and right air flow adjustment(manual) Move the vertical blade by hand,turn off , the remote controller will increase rapidly TEMP- Room Operation Designated Timer temperature mode temperature mode Air flow ABOVE 23OC BELOW 23OC COOLING HEAT 26OC 23OC NO...
... left or right. Remote controller can memorize each press, fan speed changes as follows: Remote controller: AUTO COOL DRY FAN HEAT 3.Select temp.setting Press TEMP+ TEMP- Operation Remote Display Mode Controller Board Note AUTO Under the mode of air flow Vertical flap Pos.1 Pos.2 Pos.3 Pos.4 Pos.5 (Auto swing) 2.Left and right air flow adjustment(manual) Move the vertical blade by hand,turn off , the remote controller will increase rapidly TEMP- Room Operation Designated Timer temperature mode temperature mode Air flow ABOVE 23OC BELOW 23OC COOLING HEAT 26OC 23OC NO...
Service Manual
Page 28
... After the unit starts,set the operation status, then press SLEEP button before setting for the sleep, set up, if user resets TIMER function, the sleeping function will be too low for your sleep. Temp.setting Unit stop In COOL, DRY mode 2. If it is higher than temp.setting.After another 3hours,temp.rises by 1OC futher.The unit will be too high for your sleep. In SOFT operation mode, fan speed automatically takes low speed of AUTO fan mode. SLEEP operation starts SLEEP operation stops Approx.6hrs...
... After the unit starts,set the operation status, then press SLEEP button before setting for the sleep, set up, if user resets TIMER function, the sleeping function will be too low for your sleep. Temp.setting Unit stop In COOL, DRY mode 2. If it is higher than temp.setting.After another 3hours,temp.rises by 1OC futher.The unit will be too high for your sleep. In SOFT operation mode, fan speed automatically takes low speed of AUTO fan mode. SLEEP operation starts SLEEP operation stops Approx.6hrs...
Service Manual
Page 29
... blows direct to the body. 2).Press the button of healthy airflow again, appears on working under the high air humidity, condensate water may damage the coating of direct sunlight with a dry cloth.Do not use TIMER mode next time, just press SET button after mode selecting if time setting is better to change TIMER mode. Wipe the air conditioner by pulling it is pressed, display changes as previous one. Air Filter cleaning Open the inlet grille by using the air conditioner...
... blows direct to the body. 2).Press the button of healthy airflow again, appears on working under the high air humidity, condensate water may damage the coating of direct sunlight with a dry cloth.Do not use TIMER mode next time, just press SET button after mode selecting if time setting is better to change TIMER mode. Wipe the air conditioner by pulling it is pressed, display changes as previous one. Air Filter cleaning Open the inlet grille by using the air conditioner...
Service Manual
Page 32
... furniture, paint, cigarettes. In dry mode, fan speed can't be replaced by the casing expanding or shrinking because of FAN setting. Is the air filter dirty? Noise is generated by refrigerant flowing in the room during cooling operation? During unit operation or at LOW speed regardless of temperature changes. Trouble shooting HSU-18 24HEK13/R2 Before asking for 3 minutes to protect the air conditioner. T1: Application temp. After installation, the power plug should be easily reached...
... furniture, paint, cigarettes. In dry mode, fan speed can't be replaced by the casing expanding or shrinking because of FAN setting. Is the air filter dirty? Noise is generated by refrigerant flowing in the room during cooling operation? During unit operation or at LOW speed regardless of temperature changes. Trouble shooting HSU-18 24HEK13/R2 Before asking for 3 minutes to protect the air conditioner. T1: Application temp. After installation, the power plug should be easily reached...
Service Manual
Page 33
... for heat pump) Diagnosis by service port pressure and operating current. Large operating noise and vibrations Check the condition. operates Check the indoor PCB Details of the units Check the power supply. installation Check to make sure that the rated voltage is broken Equipment operates but does not cool, or does not heat (only for insufficient gas. HSU-18 24HEK13/R2 Functions and control 7.Codes and Description 7.1.Problem Symptoms and...
... for heat pump) Diagnosis by service port pressure and operating current. Large operating noise and vibrations Check the condition. operates Check the indoor PCB Details of the units Check the power supply. installation Check to make sure that the rated voltage is broken Equipment operates but does not cool, or does not heat (only for insufficient gas. HSU-18 24HEK13/R2 Functions and control 7.Codes and Description 7.1.Problem Symptoms and...
Service Manual
Page 45
... the room are the parts numbers. Accessory parts Number of articles 1 Remote controller 1 more than G 10cm Arrangement of xing the remote controller on a wall, place where the indoor unit can be connected with the outdoor unit. Read this manual before installation Explain suf ciently the operating means to the user according to this manual 2 R-03 dry battery 2 3 1 Mounting plate 4 1 Drain hose 5 4X50 Steel nail, cement 6 6 4X25 Screw Plastic cap 4 7 1 Drain-elbow 8 Cover 1 9 Cushion 4 10 1 Pipe supporting plate...
... the room are the parts numbers. Accessory parts Number of articles 1 Remote controller 1 more than G 10cm Arrangement of xing the remote controller on a wall, place where the indoor unit can be connected with the outdoor unit. Read this manual before installation Explain suf ciently the operating means to the user according to this manual 2 R-03 dry battery 2 3 1 Mounting plate 4 1 Drain hose 5 4X50 Steel nail, cement 6 6 4X25 Screw Plastic cap 4 7 1 Drain-elbow 8 Cover 1 9 Cushion 4 10 1 Pipe supporting plate...
Service Manual
Page 46
... with refrigerant oil and connect pipes. In case of left-rear piping, bend the pipes according to the piping direction to the mark of indoor unit, then take off with putty after installation Wall hole Ø60mm (Section of wall hole) Indoor side Thickness of wall Outdoor side G Piping hole pipe 44 3 Installation of the Indoor Unit [ Rear piping ] Drawing of left side piping, cut away, with a nipper, the lid for left piping. Cover the connection part with heat...
... with refrigerant oil and connect pipes. In case of left-rear piping, bend the pipes according to the piping direction to the mark of indoor unit, then take off with putty after installation Wall hole Ø60mm (Section of wall hole) Indoor side Thickness of wall Outdoor side G Piping hole pipe 44 3 Installation of the Indoor Unit [ Rear piping ] Drawing of left side piping, cut away, with a nipper, the lid for left piping. Cover the connection part with heat...
Service Manual
Page 47
... read -0.1MPa (76 cm Hg) at Iow in gaugemanifold, operate vacuum pump. After installation, the power plug should be charged, according to 20 g/m. Check condition of the scale and hold it as gure. (Note: Only for heat pump unit.) Purging Method:To use vacuum pump 1. Connecting the pipe of sands, etc. CAUTION Outdoor unit B Indoor unit A B A Indoor unit Outdoor unit Outdoor unit B A Oil trap Indoor unit Max.Elevation: Amax=10m In case the elevation A is...
... read -0.1MPa (76 cm Hg) at Iow in gaugemanifold, operate vacuum pump. After installation, the power plug should be charged, according to 20 g/m. Check condition of the scale and hold it as gure. (Note: Only for heat pump unit.) Purging Method:To use vacuum pump 1. Connecting the pipe of sands, etc. CAUTION Outdoor unit B Indoor unit A B A Indoor unit Outdoor unit Outdoor unit B A Oil trap Indoor unit Max.Elevation: Amax=10m In case the elevation A is...
Service Manual
Page 48
... parts of pipe connecting? Power Source Installation The power source must be exclusively used for R410A Conventional are tool Clutch-type clutch-type(Rigid-type) Wing-nut type (Imperial-type) A 0~0.5mm 1.0~1.5mm 1.5~2.0mm Flare tooling die 1.Cut pipe 2.Remove burs 3.Insert the are nut 4.Flare pipe On Drainage Please install the drain hose so as shown below. The gap with indelible ink, • 1 the factory refrigerant charge of installing an air conditioner...
... parts of pipe connecting? Power Source Installation The power source must be exclusively used for R410A Conventional are tool Clutch-type clutch-type(Rigid-type) Wing-nut type (Imperial-type) A 0~0.5mm 1.0~1.5mm 1.5~2.0mm Flare tooling die 1.Cut pipe 2.Remove burs 3.Insert the are nut 4.Flare pipe On Drainage Please install the drain hose so as shown below. The gap with indelible ink, • 1 the factory refrigerant charge of installing an air conditioner...
Service Manual
Page 59
...:13(220~230V) Applicable frequency:1(60HZ) Heating Apparance of indoor unit is EK series Nominal cooling capacity (12000BTU/h) The structure code of indoor & outdoor unit: S(wall-mounted) H-Abbreviation of Haier Examples: HSU-07RD03/R1,It represents wall-mounted split type heat pump air conditioner .The cooling capacity is 7000BTU/h,and the power supply is 220-230V/50Hz,"D" means the developing sequence,and"R1" means the refrigerant is R407C. notes:12k means 12000BTU/h. 58...
...:13(220~230V) Applicable frequency:1(60HZ) Heating Apparance of indoor unit is EK series Nominal cooling capacity (12000BTU/h) The structure code of indoor & outdoor unit: S(wall-mounted) H-Abbreviation of Haier Examples: HSU-07RD03/R1,It represents wall-mounted split type heat pump air conditioner .The cooling capacity is 7000BTU/h,and the power supply is 220-230V/50Hz,"D" means the developing sequence,and"R1" means the refrigerant is R407C. notes:12k means 12000BTU/h. 58...