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Haier HSU-18,22HVA103/R2(DB) Service Manual

V series wall mounted type
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HSU-18,22HVA103/R2(DB)
HSU-22HVA103/R2(DB)
HSU-18HVA103/R2(DB)

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  Summary of Contents for Haier HSU-18,22HVA103/R2(DB)

  • Page 1 ON/OFF HSU-18,22HVA103/R2(DB) HSU-22HVA103/R2(DB) HSU-18HVA103/R2(DB)
  • Page 2 R2(DB) of indoor unit 5.2 main functions and control specifications of outdoor unit .......27...
  • Page 3 R2(DB) HVA1 R2(DB) HVA1 R2(DB) . 133...
  • Page 4: Safety Cautions

    HSU-18,22HVA103/R2(DB) Introduction 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.
  • Page 5: Cautions Regarding Products After Repair

    HSU-18,22HVA103/R2(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.
  • Page 6 HSU-18,22HVA103/R2(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.
  • Page 7: Inspection After Repair

    HSU-18,22HVA103/R2(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.
  • Page 8: Using Icons List

    HSU-18,22HVA103/R2(DB) Introduction 1.1.4 Using Icons Icons are used to attract the attention of the reader to specific information. The meaning of each icon is described in the table below: 1.1.5 Using Icons List Icon Type of Information Description A “note” provides information that is not indispensable, but may Note: Note nevertheless be valuable to the reader, such as tips and tricks.
  • Page 9 R2(DB) 18 2 HVA1...
  • Page 10 HSU-18,22HVA103/R2(DB) R2(DB) R2(DB) 6 00 1980 3. 1 3.03 6 . 3 5 12.7 White White 9 6 3 9 6 3 0 8 5 0 8 5...
  • Page 11 R2(DB) Scroll Scroll 5CS130XCC03 5CS130XCC03 RB68A SRB68A 410A 410A 1.18 25/17 24/15 1105/791 105/791 1005/847 1005/ 1900 840 650 837 681 317 915 699 934 735...
  • Page 12: Printed Circuit Board Connector Wiring Diagram

    R2(DB) 4.Printed Circuit Board Connector Wiring Diagram 4.1:Indoor unit Connectors Connectors PCB(1) (Control PCB) 1) CON12 Connector for fan motor 2) CN3 CN4 CN5 Connector for STEP motor 3) CN8 Connector for Pipe sensor and Room temperature sensor 4) CN7 Connector for fan feedback 5) CON21 Connector for power L wire 6) CN17 Connector for communicate and power N wire 7) CN5-1 Connector for display board...
  • Page 13 R2(DB) CON14 C0N15 CN17 C0N21 C0N12 CN16 CN11 CN5-1 PCB(1)
  • Page 14 R2(DB) 4.2 :outdoor unit 4.2.1 HSU-18HVA103/R2(DB)unit Connectors PCB(1) (Control PCB) 1) CN1,CN2 Connector for power N and L 2) CN4 Connector for ground 3) CN8 Connector for DC POWER 15Vand 5V to the module board 4) CN7 Connector for capacitance board 5) CN9 Connector for fan motor 6) CN20 Connector for four way valve coil 7) CN10,CN11,CN13Connector for thermistors...
  • Page 15 R2(DB) CN14 CN13 CN11 CN10 CN20 PCB(1) CN24 CN23...
  • Page 16 R2(DB) CN11 CN10 PCB(2)
  • Page 17 R2(DB) 4.2.2 HSU-22HVA103/R2(DB)unit Connectors PCB(1) (Control PCB ) 1) CN2,CN3 Connector for power N and L 2) CN22 Connector for filter board 3) CN8 Connector for DC POWER 15Vand 5V to the module board 4) CN7 Connector for capacitance board 5) CN9 Connector for fan motor 6) CN20 Connector for four way valve coil 7) CN10,CN11,CN13Connector for temperature sensor thermistors...
  • Page 18 R2(DB) CN22 CN13 CN20 CN10 CN11 PCB(1) CN14...
  • Page 19 R2(DB) CN11 CN10 PCB(2)
  • Page 20 R2(DB) P503 P504 P501 P505 P506 P507 P502 PCB(3) P512 CN501 P508 P509 RL501...
  • Page 21: Funcitions And Control

    5.1 Main functions and control specification of indoor unit This specification use for HSU-18/22HVA103/R2(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].
  • Page 22 18 2 HVA103/R2(DB) 5.1.1.4 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 Heating Strong...
  • Page 23 18 2 HVA103/R2(DB) The fan motor is working slightly weak when the heat exchange temperature is above 28 ℃ and below 35℃ The fan motor is working weak if the he heat exchange temperature remains 35℃ for less than 4 minutes.
  • Page 24 18 2 HVA103/R2(DB) Low Work-intense protection control: Heat-exchange temperature THLHEATBL3(7℃) THLHEATBL2(4.6℃) THLHEATBL1(2.2℃) THLHEATBL0(-0.5℃) Indication level Normal level2 level 1 stop level 1 level 2 normal Low Work-intense protection control will be neglected in the trial running. Low Work-intense protection control will be cancelled for 3 minutes temporarily after the powerful cooling starts for 1 minute 5.1.2.5 Dehumidification running...
  • Page 25 18 2 HVA103/R2(DB) cooling mode. If the unit is under the heating mode currently, when the temperature is enough for the compressor to stop, the compressor stops. After 15 minutes the compressor will detect the temperature. If Tr>Ts-3℃,then the unit will start the cooling mode, otherwise it will remain in the heating mode.
  • Page 26 18 2 HVA103/R2(DB) 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 When this function is set, operation modes on the panel display will not Timed change.
  • Page 27 18 2 HVA103/R2(DB) 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.
  • Page 28 18 2 HVA103/R2(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 ≤4...
  • Page 29: Outdoor Fan Control

    18 2 HVA103/R2(DB) 5.2.2 Outdoor fan control Compressor startup within 3min ,outdoor fan speed control as follows: Outdoor <10 10∽25 ≥25 Temperature Cooling/ High Dehumidification Heating High fter compressor runs 3min ,outdoor fan speed control as follows: Cooling/ Dehumidification: Compressor Operation Frequency(Hz) <25 25∽45 ≥45...
  • Page 30 18 2 HVA103/R2(DB) Among which: C:TA<0℃,C=0.8 TA≥0℃,C=0.6 For area prone to frost, the value is set at 6 when unit leaves the factory. Defrosting entry temperature control -15 ≤C×TA ℃ -α≤-5℃ 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.
  • Page 31: Outdoor Temperature Limit

    18 2 HVA103/R2(DB) 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(℃)...
  • Page 32: Special Features

    18 2 HVA103/R2(DB) 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.
  • Page 33: Function Of Main Thermistor

    18 2 HVA103/R2(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.
  • Page 34: Value Of Thermistor

    18 2 HVA103/R2(DB) 5.4 Value of Thermistor 5.4.1 intdoor Unit Room sensor R25 =23KΩ±3.5% ℃ B25 /50 =4200K±3% ℃ ℃ Temp.(℃) Max.(KΩ) Normal(KΩ) Min.(KΩ) Tolerance(℃) 568.8372 501.0746 440.8435 -1.97 1.75 530.9600 468.6491 413.1441 -1.95 1.74 495.8488 438.5314 387.3645 -1.93 1.72 463.2850 410.5433 363.3602...
  • Page 35 18 2 HVA103/R2(DB) 50.7048 47.9230 45.2384 -1.13 1.09 48.1049 45.5355 43.0505 -1.10 1.07 45.6534 43.2808 40.9813 -1.08 1.04 43.3410 41.1509 39.0236 -1.05 1.02 41.1592 39.1381 37.1708 -1.03 1.00 39.0998 37.2355 35.4167 -1.00 0.98 37.1553 35.4363 33.7555 -0.98 0.96 35.3186 33.7344 32.1818 -0.95 0.94...
  • Page 36 18 2 HVA103/R2(DB) 6.3140 5.8552 5.4230 -2.03 1.91 6.0802 5.6318 5.2100 -2.07 1.95 5.8563 5.4181 5.0065 -2.12 1.99 5.6417 5.2136 4.8120 -2.16 2.03 5.4361 5.0178 4.6260 -2.21 2.07 5.2391 4.8304 4.4481 -2.25 2.11 5.0502 4.6510 4.2780 -2.30 2.15 4.8691 4.4791 4.1153 -2.35 2.19...
  • Page 37 18 2 HVA103/R2(DB) 1.3455 1.1895 1.0503 -4.36 3.89 1.3060 1.1535 1.0176 -4.42 3.94 1.2679 1.1188 0.9860 -4.47 3.98 1.2310 1.0853 0.9556 -4.53 4.03 1.1954 1.0529 0.9263 -4.59 4.08 1.1610 1.0217 0.8980 -4.65 4.13 1.1277 0.9915 0.8707 -4.70 4.17 1.0955 0.9624 0.8443 -4.76 4.22...
  • Page 38 18 2 HVA103/R2(DB) 43.5912 40.5800 37.7429 -1.47 1.39 41.4249 38.6207 35.9739 -1.45 1.37 39.3792 36.7676 34.2983 -1.43 1.35 37.4465 35.0144 32.7108 -1.41 1.33 35.6202 33.3552 31.2062 -1.38 1.31 33.8936 31.7844 29.7796 -1.36 1.29 32.2608 30.2968 28.4267 -1.34 1.28 30.7162 28.8875 27.1431 -1.32 1.26...
  • Page 39 18 2 HVA103/R2(DB) 5.5914 5.3269 5.0704 -1.33 1.29 5.3916 5.1308 4.8783 -1.37 1.33 5.2001 4.9430 4.6944 -1.41 1.36 5.0163 4.7630 4.5185 -1.45 1.40 4.8400 4.5905 4.3500 -1.49 1.44 4.6708 4.4252 4.1887 -1.53 1.47 4.5083 4.2666 4.0342 -1.57 1.51 4.3524 4.1145 3.8862 -1.61 1.55...
  • Page 40: Outdoor Unit

    18 2 HVA103/R2(DB) 1.2226 1.1113 1.0092 -3.48 3.19 1.1880 1.0789 0.9789 -3.53 3.24 1.1546 1.0476 0.9497 -3.58 3.28 1.1223 1.0174 0.9215 -3.64 3.33 1.0910 0.9882 0.8942 -3.69 3.37 1.0607 0.9599 0.8679 -3.74 3.42 1.0314 0.9326 0.8424 -3.80 3.46 1.0030 0.9061 0.8179 -3.85 3.51...
  • Page 41 18 2 HVA103/R2(DB) 103.3598 93.8305 85.1031 -1.80 1.64 97.6556 88.7989 80.6728 -1.78 1.63 92.3028 84.0695 76.5017 -1.76 1.62 87.2775 79.6222 72.5729 -1.74 1.60 82.5577 75.4384 68.8710 -1.72 1.59 78.1230 71.5010 65.3815 -1.70 1.57 73.9543 67.7939 62.0907 -1.68 1.55 70.0342 64.3023 58.9863 -1.66 1.54...
  • Page 42 18 2 HVA103/R2(DB) 10.3000 10.0000 9.7000 -0.75 0.75 9.8975 9.5974 9.2980 -0.76 0.76 9.5129 9.2132 8.9148 -0.80 0.80 9.1454 8.8465 8.5496 -0.84 0.83 8.7942 8.4964 8.2013 -0.87 0.86 8.4583 8.1621 7.8691 -0.91 0.90 8.1371 7.8428 7.5522 -0.95 0.93 7.8299 7.5377 7.2498 -0.98 0.97...
  • Page 43 18 2 HVA103/R2(DB) 1.9714 1.8186 1.6761 -2.68 2.50 1.9113 1.7614 1.6219 -2.73 2.54 1.8533 1.7064 1.5697 -2.78 2.58 1.7974 1.6533 1.5194 -2.83 2.63 1.7434 1.6021 1.4710 -2.88 2.67 1.6913 1.5528 1.4243 -2.92 2.71 1.6409 1.5051 1.3794 -2.97 2.75 1.5923 1.4592 1.3360 -3.02 2.80...
  • Page 44 18 2 HVA103/R2(DB) 0.5325 0.4717 0.4175 -5.22 4.65 0.5194 0.4597 0.4066 -5.28 4.70 Discharging Sensor R80℃=50KΩ±3% B25/80℃=4450K±3% Temp.((℃)) Max.(KΩ) Normal(KΩ) Min.(KΩ) Tolerance(℃) 14646.0505 12061.7438 9924.4999 -2.96 2.45 13654.1707 11267.8730 9290.2526 -2.95 2.44 12735.8378 10531.3695 8700.6388 -2.93 2.44 11885.1336 9847.7240 8152.2338 -2.92 2.43 11096.6531...
  • Page 45 18 2 HVA103/R2(DB) 4738.4141 4032.7098 3429.0191 -2.73 2.34 4451.4586 3795.3910 3233.1039 -2.72 2.33 4183.5548 3573.4260 3049.5312 -2.70 2.32 3933.3289 3365.7336 2877.4527 -2.69 2.31 3699.5139 3171.3148 2716.0828 -2.67 2.30 3480.9407 2989.2460 2564.6945 -2.66 2.29 3276.5302 2818.6731 2422.6139 -2.64 2.28 3085.2854 2658.8058 2289.2164 -2.63 2.28...
  • Page 46 18 2 HVA103/R2(DB) 363.7176 333.5801 305.6645 -1.90 1.76 346.8176 318.5216 292.2709 -1.88 1.75 330.7839 304.2151 279.5286 -1.86 1.73 315.5682 290.6199 267.4031 -1.84 1.71 301.1254 277.6976 255.8620 -1.82 1.70 287.4128 265.4119 244.8745 -1.80 1.68 274.3905 253.7288 234.4118 -1.78 1.66 262.0206 242.6161 224.4465 -1.76 1.64...
  • Page 47 18 2 HVA103/R2(DB) 49.7063 48.2057 46.7083 -0.85 0.85 47.9835 46.4842 44.9911 -0.89 0.89 46.3286 44.8323 43.3452 -0.93 0.92 44.7385 43.2468 41.7672 -0.96 0.95 43.2105 41.7248 40.2540 -1.00 0.99 41.7386 40.2604 38.7996 -1.03 1.02 40.3241 38.8545 37.4048 -1.07 1.06 38.9643 37.5045 36.0668 -1.11 1.09...
  • Page 48 18 2 HVA103/R2(DB) 11.2242 10.3957 9.6197 -2.77 2.59 10.9112 10.0970 9.3352 -2.81 2.63 10.6084 9.8082 9.0602 -2.86 2.67 10.3151 9.5288 8.7945 -2.91 2.71 10.0312 9.2586 8.5378 -2.95 2.75 9.7563 8.9971 8.2895 -3.00 2.80 9.4901 8.7441 8.0495 -3.05 2.84 9.2322 8.4993 7.8175 -3.09 2.88...
  • Page 49: System Configuration

    HSU-18,22HVA103/R2(DB) System Configuration 6. System Configuration 6.1 System Configuration After the installation and test operation of the room air conditioner have been completed, it should be operated and handled as described below. Every user would like to know the correct method of operation of the room air conditioner, to check if it is capable of cooling (or heating) well, and to know a clever method of using it.In order to meet this expectation of the users, giving sufficient explanations taking enough time can be said to reduce about 80% of the requests for servicing.
  • Page 50: Safety Instructions And Warnings

    HSU-18,22HVA103/R2(DB) System Configuration 6.2 Instruction Cautions Disposal of the old air conditioner Safety Instructions and Warnings Before disposing an old air conditioner that Before starting the air conditioner, read the goes out of use, please make sure it's inop- information given in the User's Guide caref- erative and safe.
  • Page 51: Specifications

    HSU-18,22HVA103/R2(DB) System Configuration Cautions Do not obstruct or cover the ventilation 7. The appliance is not intended for use by young children or infirm persons grille of the air conditoner.Do not put fingers or any other things into the inlet/outlet and without supervision.
  • Page 52: Safety Instruction

    HSU-18,22HVA103/R2(DB) System Configuration Cautions Safety Instruction Please read the following Safety Instructions carefully prior to use. The instructions are classified into two levels, WARNING and CAUTION according to the seriousness of possible risks and damages as follows. Compliance to the instructions are strictly required for safety use.
  • Page 53 HSU-18,22HVA103/R2(DB) System Configuration Cautions WARNING When abnormality such as burnt-small found, Use an exclusive power source with a immediately stop the operation button and circuit breaker contact sales shop. STRICT ENFORCEMENT Connect power supply cord Use the proper voltage Do not use power supply cord to the outlet completely extended or connected in halfway STRICT...
  • Page 54: Parts And Functions

    HSU-18,22HVA103/R2(DB) System Configuration Parts and Functions Indoor unit Outlet Display board Air filter(inside) Inlet Air Purifying Filter (inside) Inlet grille Anion generator (inside) Vertical flap (adjust up and down air flow. Power plug Don't adjust it manually) Horizontal louver (adjust left and right air flow) For 22k unit, the power plug is on the outdoor unit Outdoor unit HSU-07HV03/R2(DB)
  • Page 55 HSU-18,22HVA103/R2(DB) System Configuration Parts and Functions 10. TIMER ON display 11. FAN SPEED display AUTO 12. LOCK display 13. SWING UP/DOWN display 14. SLEEP display 15. HEALTH display 16. Operation mode display Operation mode AUTO COOL DRY HEAT FAN Remote controller Display board 17.Singal sending display 18.
  • Page 56 HSU-18,22HVA103/R2(DB) System Configuration Parts and Functions Clock Set When unit is started for the first time and after replacing batteries in remote controller, clock should be adjusted as follows: 1. Press CLOCK button,"AM" or "PM" flashes. 2. Press to set correct time. Each press will increase or decrease POWER/SOFT 1 min.
  • Page 57: Remote Controller

    HSU-18,22HVA103/R2(DB) System Configuration Operation HEALTH operation Remote controller 1.Unit start Press ON/OFF on the remote controller, unit starts. 2.Health anion function Press HEALTH button. For each press, is displayed. Air conditioner starts health anion function operation. For twice press, disappears,the operation stops.
  • Page 58: Auto Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation Auto Operation Remote controller 1. Unit start Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select Auto operation On the displaying board,colorful displaying bar will be white.
  • Page 59: Cool Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation Cool Operation 1. Unit start Remote controller Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select COOL operation On the displaying board,colorful displaying bar will be blue.
  • Page 60: Dry Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation Dry Operation 1. Unit start Remote controller Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select DRY operation On the displaying board,colorful displaying bar will be light blue 3.Select temp.setting...
  • Page 61: Fan Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation Fan Operation 1. Unit start Remote controller Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select FAN operation On the displaying board,colorful displaying bar will be pink.
  • Page 62: Heat Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation Heat Operation 1. Unit start Remote controller Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select HEAT operation On the displaying board,colorful displaying bar will be red 3.Select temp.setting Press TEMP.
  • Page 63: Air Flow Direction Adjustment

    HSU-18,22HVA103/R2(DB) System Configuration Operation Air Flow Direction Adjustment 1.Status display of air sending Vertical flap Horizontal louvers Pos.1 Pos.1 Pos.2 Pos.2 Pos.3 Pos.3 Pos.4 Pos.4 Pos.5 Pos.5 POWER/SOFT Pos.6 Pos.6 (Auto swing) Pos.7 Pos.8 2.Up and down air flow direction For each press of button, air flow direction on remote controller displays as follows according to different operation modes:...
  • Page 64: Sleep Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation Sleep Operation SLEEP operation starts SLEEP operation stops Approx.6hrs Before going to bed, you can simply press the SLEEP button and unit will operate in SLEEP Rises 1 1 hr mode and bring you a sound sleep. Rises 1 Use of SLEEP function 1 hr...
  • Page 65: Timer On/Off Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation Timer On/Off Operation Set clock correctly before starting TIMER operation. 1. After unit starts, select your desired operation mode Remote Controller Operation mode will be displayed on LCD. 2. Timer mode selection Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: Remote controller: BLANK...
  • Page 66 HSU-18,22HVA103/R2(DB) System Configuration Operation Timer On-Off Operation Set clock correctly before starting TIMER operation. Remote Controller 1. After unit starts, select your desired operation mode Operation mode will be displayed on LCD. 2. Timer mode selection Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: Remote controller: BLANK...
  • Page 67: Power Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation POWER/SOFT Operation POWER Operation When you need rapid heating or cooling, you can use this funciton. Selecting of POWER operation Press POWER/SOFT button. Every time the button is pressed,display changes as follows: BLANK SOFT POWER Stop the display at In POWER operation status: In HEAT or COOL mode, fan speed automatically runs in AUTO mode for 15 min then returns to original status setting.
  • Page 68: Health Airflow Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation Health airflow Operation 1.Press ON/OFF to starting Remote controller The liquid crystal will display the working state of last time (Except timer, sleeping, power/soft and health airflow). Setting the comfort work conditions. 2.The setting of health airflow function 1).Press the button of health airflow, appears on the display.
  • Page 69: Emergency And Test Operation

    HSU-18,22HVA103/R2(DB) System Configuration Operation Emergency and Test Operation 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 heating, according to the room temperature.
  • Page 70: Maintenance

    HSU-18,22HVA103/R2(DB) System Configuration Maintenance For Smart Use of The Air Conditioner Setting of proper room Do not block the air inlet temperature or outlet Proper temperature Close doors and windows Use the timer effectively during operation During cooling operation prevent the penetration of direct sunlight with curtain or blind Use the louvers effectively...
  • Page 71: Air Filter Cleaning

    HSU-18,22HVA103/R2(DB) System Configuration Maintenance For Smart Use of The Air Conditioner WARNING Before maintenance,be sure to turn off the system and the circuit breaker. Remote Controller Indoor Body Wipe the air conditioner by using a soft and dry cloth.For serious stains,use a neutral Do not use water, wipe the controller with a detergent diluted with water.Wring the water dry cloth.Do not use glass cleaner or chemical...
  • Page 72 HSU-18,22HVA103/R2(DB) System Configuration Maintenance Replancement of Air Purifying Filter 1.Open the lnlet Grille Open the inlet grille by pushing each ends of the inlet grille upward.(use thumbs to push 2.Detach the standard air filter Slide the knob slightly upward to release the filter, then withdraw it.
  • Page 73: Cleaning The Body

    HSU-18,22HVA103/R2(DB) System Configuration Maintenance To Keep Your Air conditioner in Good Condition after Season. Operate in cooling mode for 2-3 hours. To prevent breeding mold or bad smell, be sure to operate at the designated temperature or 30 C,cooling mode and High speed fan mode for 2-3 hours. Put off the power supply cord.
  • Page 74: Cleaning The Standard Air Filter

    HSU-18,22HVA103/R2(DB) System Configuration Maintenance Before Setting in High season Cleaning the standard air filter. Operation without filter may cause troubles.Be sure to attach both right and left filters prior to the operation. Each of them are of different shapes. Connecting the earthing cable. Caution Incomplete earthing may cause an electric shock.
  • Page 75: Troubleshooting

    HSU-18,22HVA103/R2(DB) System Configuration Trouble shooting Before asking for service, check the following first. Phenomenon Cause or check points The system does not restart When unit is stopped, it won't restart immediately. 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.
  • Page 76: Service Diagnosis

    Service Diagnosis HSU-18,22HVA103/R2(DB) 7 Service Diagnosis 7.1.Problem Symptoms and Measures Symptom Check Item Details of Measure None of the units Check the power supply. 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.
  • Page 77: Error Codes And Description Indoor Display

    Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.Trouble Shooting Error Codes and Description indoor display Code indication Reference Outdoor Description Page indoor (LED1 flash times) Indoorand Outdoor Communication fault between indoor and outdoor units Room temperature sensor failure Indoor Malfunction Heat-exchange sensor failure Indoor EEPROM error Indoor fan motor malfunction High work-intense protection Outdoor EEPROM error...
  • Page 78 Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.1Thermistor or Related Abnormality (indoor unit) E1: Room temperature sensor failure Indoor Display E2: Heat-exchange sensor failure the temperatures detected by the thermistors are used to determine thermistor errors Method of Malfunction Detection when the thermistor input is more than 4.92V or less than 0.08V during compressor Malfunction operation.
  • Page 79 Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.2 Indoor fan motor malfunction Indoor Display Method of The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor operation Malfunction Detection Malfunction when the detected rotation feedback singal don’t receiced in 2 minutes Decision Conditions Supposed Causes ■...
  • Page 80: Ipm Protection

    Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.3 IPM protection outdoor display LED1 flash 2 times: Method of IPM protection is detected by checking the compressor running condition and so on. Malfunction Detection ■ The system leads to IPM protection due to over current Malfunction Decision ■...
  • Page 81 Service Diagnosis HSU-18,22HVA103/R2(DB) Communication is detected by checking the IPM module and the outdoor PCB Method of Malfunction Detection ■ The outdoor PCB broken leads to communication fault Malfunction ■ The IPM module broken leads to communication fault Decision Conditions Supposed ■...
  • Page 82: Thermistor Or Related Abnormality (Outdoor Unit)

    Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.5 Thermistor or Related Abnormality(outdoor unit) Frost-removing temperature sensor failure Indoor display: LED1 flash 10 times: outdoor display: Exhaust temperature sensor failure Indoor display: LED1 flash 13 times: outdoor display: Ambient temperature sensor failure Indoor display: LED1 flash 12 times: outdoor display: This type of error is detected by checking the thermistor input voltage to the microcomputer.
  • Page 83: Overheat Protection For Exhaust Temperature

    Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.6 Overheat Protection For Exhaust Temperature Indoor display LED1 flash 8 times outdoor display Method of the exhaust temperature control is checked with the temperature being detected Malfunction by the exhaust pipe thermistor Detection when the compressor discharge temperature is above 117℃ Malfunction Decision Conditions...
  • Page 84 Service Diagnosis HSU-18,22HVA103/R2(DB) The sensor is damaged. Replace the sensor with a new the results deviate one. much? The outdoor mainboard is damaged and needs be replaced 7.2.7 The EEPROM Abnormality (Indoor or outdoor unit) E4: :Indoor EEPROM error Indoor Display F12:Outdoor EEPROM error Method of the Data detected by the EEPROM are used to determine MCU...
  • Page 85: Communication Error Between The Indoor And Outdoor Units

    Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.8 Communication error between the indoor and outdoor units ; Indoor display Outdoor: display: LED1 flash 15 times Method of The date received from the another unit in indoor unit-outdoor unit signal transmission is Malfunction checked whether is normal Detection When the date sent from the another unit cannot be received normally,or when the content Malfunction...
  • Page 86 Service Diagnosis HSU-18,22HVA103/R2(DB) (A) Check the status of LED1 on the indoor mainboard. If the LED1 blinks interruptedly? measure the voltage between Jumpers 3 and 4 of IC15 on the indoor mainboard with a multimeter. Test the outdoor power supply (230VAC and +310VDC) with a multimeter.
  • Page 87: High Work-Intense Protection

    Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.9 High work-intense protection Indoor display High work-intense control is activated in the heating mode if the temperature being sensed Method of Malfunction by the heat exchanger thermistor exceeds the limit. Detection Malfunction Activated when the temperature being sensed by the heat exchanger thermistor rises above Decision 74℃...
  • Page 88 Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.10 Power Supply Over or under voltagve fault Indoor display outdoor display LED1 flash 6 times An abnormal voltage rise or fall is detected by checking the specified voltage detection circuit. Method of Malfunction Detection An voltage signal is fed from the voltage detection circuit to the microcomputer Malfunction Decision Conditions...
  • Page 89: Loop Of The Station Detect Error

    Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.11 Loop of the station detect error Outdoor Display LED1 flash 19 times Method of the position of the compressor rotor can not detected normally Malfunction Detection Malfunction when the The wiring of compressor is wrong or the connection is poor; Decision or the compressor is damaged Conditions...
  • Page 90: Over-Current Of The Compressor

    Service Diagnosis HSU-18,22HVA103/R2(DB) 7.2.12 Over-current of the compressor LED1 flash 24 or 25 times Outdoor Display Method of The current of the compressor is too high Malfunction Detection Malfunction when the IPM Module is damaged Decision or the compressor is damaged Conditions power supply.
  • Page 91: Necessary Tools For Installation

    18 2 HVA103/R2(DB) 8 Installations Read this manual before installation Explain sufficiently the operating means to the user according to this manual. Necessary Tools for Installation 1.Driver 5.Torque wrench(17mm,22mm,26mm) 9.Nipper 12.Reamer 2.Hacksaw 6.Pipe cutter 10.Gas leakage detector or 3.Hole core drill 7.Flaring tool soap-and-water solution 4.Spanner(17,19 and 26mm)
  • Page 92: Selection Of Installation Place

    18 2 HVA103/R2(DB) HSU-07HV03/R2(DB) HSU-18HV03/R2(DB) HSU-22HV03/R2(DB) HSU-07HVA103/R2(DB) HSU-09HV03/R2(DB) HSU-22HVA103/R2(DB) HSU-09HVA103/R2(DB) HSU-12HV03/R2(DB) HSU-12HVA103/R2(DB) HSU-12HVB03/R2(DB) HSU-18HVA103/R2(DB) 113.5 113.5 Floor fixing dimensions Floor fixing dimensions of the outdoor unit of the outdoor unit (Unit:mm) (Unit:mm) Fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally. Fixing of outdoor unit When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in consideration of earthquake and strong wind.
  • Page 93: Installation Of The Indoor Unit

    18 2 HVA103/R2(DB) Indoor unit 1.Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is first fixed 1.Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall, then temporarily fasten the plate with one steel nail.
  • Page 94 18 2 HVA103/R2(DB) Indoor unit 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.
  • Page 95: Easily-Demount Cleaning Of Indoor Unit

    18 2 HVA103/R2(DB) Indoor unit When connecting the cable before installing the indoor unit Insert the cable from the back side of the unit, then pull it out on the front side. Loosen the screws and insert 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.
  • Page 96: Installation Of Outdoor Unit

    18 2 HVA103/R2(DB) Outdoor unit 1.Installation of Outdoor Unit Install according to Drawing for the installation of indoor and outdoor units 2.Connection of pipes 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.
  • Page 97: Purging Method:to Use Vacuum Pump

    18 2 HVA103/R2(DB) Outdoor unit 2-way valve 6.Purging Method:To use vacuum pump Liquid Side 3-way valve Gas Side Detach the service port's cap of 3-way valve, the Gaugemanifold(for R410A) valve rod's cap for 2-way valve and 3-way's, connect Anti countercurrent joint the service port into the projection of charge hose (Iow) for gaugemanifold.
  • Page 98: Power Source Installation

    18 2 HVA103/R2(DB) 1.Power Source Installation The power source must be exclusively used for air conditioner. (Over I0A) In the case of installing an air conditioner in a moist place, please install an earth leakage breaker. For installation in other places, use a circuit breaker as far as possible. 2.Cutting and Flaring Work of Piping Pipe cutting is carried out with a pipe cutter and burs must be removed.
  • Page 99 R2(DB) HVA1 HSU-18,22HVA103/R2(DB)
  • Page 100 R2(DB) HVA1...
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  • Page 102 R2(DB) HVA1...
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  • Page 110 HSU-18,22HVA103/R2(DB)
  • Page 111 HSU-18,22HVA103/R2(DB) HSU-18HVA103/R2(DB)
  • Page 112 HSU-18,22HVA103/R2(DB)
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  • Page 120 HSU-18,22HVA103/R2(DB)
  • Page 121 R2(DB) HVA1 HSU-22HVA103/R2(DB)
  • Page 122 R2(DB) HVA1...
  • Page 123 R2(DB)
  • Page 124 R2(DB) HVA1 of the side panel and remove the side panel...
  • Page 125 R2(DB) HVA1 remove the back panel and remove the side panel...
  • Page 126 R2(DB) HVA1 of Fan and Fan motor...
  • Page 127 R2(DB) HVA1...
  • Page 128 R2(DB) HVA1...
  • Page 129 R2(DB) HVA1...
  • Page 130 R2(DB) HVA1...
  • Page 131 R2(DB) HVA1 loosen the fixing screw lift and pull the partion plate to remove...
  • Page 132 R2(DB) HVA1 remove the heat exchanger...
  • Page 133 R2(DB) HVA1...
  • Page 134: Piping Diagrams

    HSU-18,22HVA103/R2(DB) Appendix 10. Appendix 10.1 Piping Diagrams...
  • Page 135: Wiring Diagrams Indoor Unit

    HSU-18,22HVA103 /R2(DB) Appendix 10.2 Wiring Diagrams Indoor Unit HSU-18HVA103/R2(DB) INDOOR UNIT DIAGRAM 0010551718 LOUVER LOUVER FAN MOTOR MOTOR MOTOR EMERGENCY SWITCH CN11 C ON12 CN17 LOUVER MOTOR CN16 C0N15 C0N14 C0N21 LOUVER MOTOR CN5-1 DISPLAY RECEIVER BOARD WHITE BLACK BL: BLUE TO OUTDOOR UNIT BR: BROWN POWER SUPPLY...
  • Page 136: Indoor Unit Diagram

    HSU-18,22HVA103 /R2(DB) Appendix Wiring diagrams Indoor Unit HSU-22H V A103/R2(DB) INDOOR UNIT DIAGRAM 0010556831 LOUVER LOUVER FAN MOTOR MOTOR MOTOR EMERGENCY SWITCH CN11 C ON12 LOUVER MOTOR CN17 CN16 C0N15 C0N14 LOUVER C0N21 MOTOR CN5-1 DISPLAY RECEIVER BOARD WHITE BLACK TO OUTDOOR UNIT BL: BLUE Y/G: YELLOW...
  • Page 137: Outdoor Unit Wiring Diagram

    Appendix HSU-18,22HVA103/R2(DB) Wiring diagrams Outdoor Unit HSU-18HVA103 /R2(DB) 00105 15305 OUTDOOR UNIT WIRING DIAGRAM COMPRESSOR WARNING (CN3) MODULE BOARD CAUTION (CN1) AC-L REACTOR AC-N (CN2) DON'T TOUCH CAPACITOR, EVEN AFTER CN11 (CN4) PLUG-OFF ( DANGER OF ELECTRIC SHOCK) The capacitor retains high CN10 voltage even after the plug-off.
  • Page 138: Circuit Diagrams

    Appendix HSU-18,22HVA103/R2(DB) 10.3.Circuit Diagrams 10.3.1.INDOORUNIT (HSU-18,22HVA103/R2(DB)) R33 10K remote control R53 1K CN15 R32 1K 2SA1162 C21 102 door switch B9B-PH-K(red) short circuit pin R7 10K self-check shrink time S D A remote control S C L R56 330 PTC4 PTC5 R8 10K R63 330...
  • Page 139 Appendix HSU-18,22HVA103/R2(DB) 11.3.2OUTDOORUNIT 11.3.2.1 module board Circuit Diagrams (HSU-18,22HVA103/R2(DB)) 5.2MH/20A D207 FFA30U60DN PS21865 C405 C404 AC-L SGH40N60UF 474/275V 474/275V 820U/400V*2 R215 D25BX60B 0.015/5W 0.015/5W AC-N R214 9 10 11 12 13 14 15 16 17 18 19 20 21 R225 5.1k R222 470 D206 24V/1W...
  • Page 140 Appendix HSU-18,22HVA103/R2(DB) 11.3.2.3 HSU-22HVA103/R2(DB)control board Circuit Diagrams FUSE1 IC12 TLP371 AC-L IN4007 22K/2W CN22 T3.15A/250V AC-N IN4007 9013 CX101 T101 220K 220K 220K IN4007 22U/250V 104/275V E22034 C105 472/1KV 9013 5.1K IN4007 D102 5.1K IN4937 103/275VAC IC11 TLP521 CN15 communication to indoor IN4007 IN5948B PC communication(green)
  • Page 141 R2(DB) Ma Sai Zhang li Zhi by:WuHongJin...

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