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Haier 22HVA103/R2(DB) Service manual

Manual is about: V Series Wall Mounted Type

Summary of 22HVA103/R2(DB)

  • Page 1

    On/off :dooprxqwhg7\sh v 6hulhv hsu-18h va1 03/ r2(db) hsu-22hva103/r2(db) hsu-18,22hva103/r2(db).

  • Page 2: 7Deohri&rqwhqwv

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  • Page 3

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  • Page 4

    Hsu-18,22h va1 03/ r2(db) introduction 3 domestic air conditioner 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 ca...

  • Page 5

    4 domestic air conditioner 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 gro...

  • Page 6

    5 domestic air conditioner 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 circ...

  • Page 7

    6 domestic air conditioner 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 w...

  • Page 8

    7 domestic air conditioner 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 note: note a “note” provides information that is not indis...

  • Page 9

    +68 18 2 h va1 r2(db) /lvwri)xqfwlrqv 8 'rphvwlf$lu&rqglwlrqhu /lvwri)xqfwlrqv 1rwh 11r)xqfwlrqv &dwhjru\ +68&9$=;) +68&9$=;) +hdowk\qhjdwlyhlrq 1 1 /hiw uljkwiorz '5 &klogorfn 'dluiorz +rxuwlphu $xwruhvwduw 1 1 (dv\fohdqghvljq ,qwhooljhqwdlu $qwlprogilowhu 1 1 2uhiuhvk 1 1 )dqvhwwlqj 2iuhvk +hdowk\...

  • Page 10

    Hsu-18,22hva103/r2(db) 6shflilfdwlrqv 9 'rphvwlf$lu&rqglwlrqhu 6shflilfdwlrqv +68+ va1 r2(db) +68+ va1 r2(db) 0rgho &rrolqj +hdwlqj &rrolqj +hdwlqj n: %wxk 50 450 150 &dsdflw\5dwhg0lqa0d[ nfdok 60 590 0rlvwxuh5hprydo /k ² ² 5xqqlqj&xuuhqw5dwhg $ 3rzhu&rqvxpswlrq5dwhg 0lqa0d[ : 3rzhu)dfwru &235dwhg0l...

  • Page 11

    +68+ va1 r2(db) 6shflilfdwlrqv 10 'rphvwlf$lu&rqglwlrqhu 2xwgrru8qlw &dvlqj&roru ,yru\:klwh ,yru\:klwh 7\sh 0rgho &rpsuhvvru 0rwru 2xwsxw : 0rgho 5hiuljhudqw2lo &kdujh / 0rgho 5hiuljhudqw &kdujh nj pñplq $lu)orz5dwh +/ fip 7\sh 3urshoohu 3urshoohu )dq 0rwru 2xwsxw : 5xqqlqj&xuuhqw5dwhg $ 3rzhu&rqvxp...

  • Page 12

    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...

  • Page 13

    Pcb(1) c0n12 cn8 cn5-1 cn3 cn4 cn7 cn5 cn11 c0n15 cn17 c0n21 con14 cn16 12 'rphvwlf$lu&rqglwlrqhu +68+ va1 r2(db) &rqqhfwru:lulqj'ldjudp.

  • Page 14

    4.2 ： outdoor unit 4.2.1 hsu-18h v a103/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 connecto...

  • Page 15

    Pcb(1) cn14 cn13 cn11 cn10 cn8 cn7 cn1 cn2 cn9 cn24 cn23 cn3 cn4 cn20 14 'rphvwlf$lu&rqglwlrqhu +68+ va1 r2(db) &rqqhfwru:lulqj'ldjudp.

  • Page 16

    Pcb(2) cn1 cn3 cn2 cn4 cn10 cn11 cn7 cn6 cn5 cn8 cn9 15 'rphvwlf$lu&rqglwlrqhu +68+ va1 r2(db) &rqqhfwru:lulqj'ldjudp.

  • Page 17

    4.2.2 hsu-22h v a103/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 ...

  • Page 18

    Pcb(1) cn1 cn3 cn2 cn9 cn20 cn7 cn11 cn14 cn10 cn13 cn22 17 'rphvwlf$lu&rqglwlrqhu +68+ va1 r2(db) &rqqhfwru:lulqj'ldjudp.

  • Page 19

    Pcb(2) cn1 cn3 cn2 cn4 cn10 cn11 cn7 cn6 cn5 cn8 cn9 18 'rphvwlf$lu&rqglwlrqhu +68+ va1 r2(db) &rqqhfwru:lulqj'ldjudp.

  • Page 20

    Pcb(3) p501 p509 p502 p505 p504 p503 p507 p506 cn501 p508 p512 rl501 19 'rphvwlf$lu&rqglwlrqhu +68+ va1 r2(db) &rqqhfwru:lulqj'ldjudp.

  • Page 21

    5.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...

  • Page 22

    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 a b c d e f g h i heating s...

  • Page 23

    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. The fan motor works as set if the he heat exchange temperature remains 35 ℃ for more than 4 m...

  • Page 24

    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 p...

  • Page 25

    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 heat...

  • Page 26

    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 when this function is set, operation modes on the panel display will not off change. The t...

  • Page 27

    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 pow...

  • Page 28

    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...

  • Page 29

    5.2.2 outdoor fan control compressor startup within 3min ,outdoor fan speed control as follows: outdoor temperature 10∽25 ≥25 cooling/ dehumidification low low high heating high low low fter compressor runs 3min ,outdoor fan speed control as follows: cooling/ dehumidification: compressor operation f...

  • Page 30

    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 defr...

  • Page 31

    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 （ ℃ ） abnormal shutdown 117 rapid fre...

  • Page 32

    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 ...

  • Page 33

    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 te...

  • Page 34

    5.4 value of thermistor 5.4.1 intdoor unit room sensor r25 =23k Ω ±3.5% ℃ b25 /50 =4200k±3% ℃ ℃ temp.( ℃ ) max.(k Ω ) normal(k Ω ) min.(k Ω ) tolerance( ℃ ) -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....

  • Page 35

    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...

  • Page 36

    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 3.9...

  • Page 37

    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...

  • Page 38

    -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 1.2...

  • Page 39

    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 3.7...

  • Page 40

    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 0.7...

  • Page 41

    -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 58.986...

  • Page 42

    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...

  • Page 43

    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 1.2...

  • Page 44

    119 0.5325 0.4717 0.4175 -5.22 4.65 120 0.5194 0.4597 0.4066 -5.28 4.70 discharging sensor r80 ℃ =50k Ω± 3% b25/80 ℃ =4450k ± 3% temp.(( ℃ )) max.(k Ω ) normal(k Ω ) min.(k Ω ) tolerance( ℃ ) -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...

  • Page 45

    -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...

  • Page 46

    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 2...

  • Page 47

    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...

  • Page 48

    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...

  • Page 49

    Hsu-18,22h va1 03/ r2(db) system configuration 48 domestic air conditioner 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 t...

  • Page 50

    Before disposing an old air conditioner that goes out of use, please make sure it's inop- erative and safe. Unplug the air conditioner in order to avoid the risk of child entrapment. It must be noticed that air conditioner system contains refrigerants, which require speciali- zed waste disposal. The...

  • Page 51

    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 do not obstruct or cover the ventilation grille of the air conditoner.Do not put fingers or any other things into the inle...

  • Page 52

    Cautions strict enforcement safety instruction installation warning 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 inst...

  • Page 53

    Cautions warning when abnormality such as burnt-small found, immediately stop the operation button and contact sales shop. Off use an exclusive power source with a circuit breaker enforcement connect power supply cord to the outlet completely use the proper voltage do not use power supply cord in a ...

  • Page 54

    Parts and functions 53 outlet connecting piping and electrical wiring inlet drain hose display board inlet air purifying filter vertical flap (adjust up and down air flow. Don't adjust it manually) horizontal louver air filter(inside) inlet grille power plug (adjust left and right air flow) (inside)...

  • Page 55

    Parts and functions when the remote controller appears abnormal, use a sharp pointed article to press this button to reset the remote controller normal. 1.Reset used to select timer on, timer off, timer on-off. 3. Timer button used to set correct time. 4. Clock button used to select sleep mode. 5. S...

  • Page 56

    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. 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 follow...

  • Page 57

    Operation 56 2.Health anion function air conditioner starts health anion function operation. For twice press, disappears,the operation stops. Brief introduction to health anion fuction the anion generator in the air conditioner can generate a lot of anion effectively balance the quantity of position...

  • Page 58

    Auto operation operation 57 power/soft about auto operation under the mode of auto operation, air conditioner will automatically select cool or heat operation according to room temperature. 4.Unit stop press on/off button, the unit stops. 1. Unit start press on/off on the remote controller, unit sta...

  • Page 59

    Cool operation 2.Select operation mode press fan button. For each press, fan speed changes as follows: press mode button. For each press, operation mode changes as follows: remote controller: remote controller: then select cool operation press temp. Button every time the button is pressed, temp.Sett...

  • Page 60

    2.Select operation mode press fan button. For each press, fan speed changes as follows: press mode button. For each press, operation mode changes as follows: remote controller: remote controller: then select dry operation press temp. Button every time the button is pressed, temp.Setting increase 1 o...

  • Page 61

    Fan operation 2.Select operation mode press fan button. For each press, fan speed changes as follows: press mode button. For each press, operation mode changes as follows: remote controller: remote controller: then select fan operation 3.Fan speed selection 4.Unit stop about fan operation in fan ope...

  • Page 62

    Operation 2.Select operation mode press fan button. For each press, fan speed changes as follows: press mode button. For each press, operation mode changes as follows: remote controller: remote controller: then select heat operation press temp. Button every time the button is pressed, temp.Setting i...

  • Page 63

    2.Up and down air flow direction vertical flap pos.1 pos.1 pos.2 pos.3 pos.4 pos.6 pos.5 pos.4 pos.3 pos.2 pos.1 pos.6 pos.1 pos.2 pos.3 pos.4 pos.5 pos.6 pos.2 pos.3 pos.4 pos.5 pos.6 (auto swing) for each press of button, air flow direction on remote controller displays as follows according to dif...

  • Page 64

    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. 5.Set the wind speed change when sleeping before going to bed, you can simply press the sleep button and unit will operate in sleep mode and bring you a sound...

  • Page 65

    Remote controller timer on/off operation operation 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...

  • Page 66

    Remote controller timer on-off operation operation just press timer button several times until timer de disappears. According to the time setting sequence of timer on or timer off, either start-stop or stop-start can be achieved. Set clock correctly before starting timer operation. 1. After unit sta...

  • Page 67

    Power/soft operation power operation power operation soft operation when you need rapid heating or cooling, you can use this funciton. You can use this function when silence is needed for rest or reading. Selecting of power operation press power/soft button. Every time the button is pressed,display ...

  • Page 68

    1.Press on/off to starting operation 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. Th...

  • Page 69

    When the remote controller is manipulated, it gets the system back to the normal operation mode. Emergency and test operation 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...

  • Page 70

    For smart use of the air conditioner setting of proper room temperature close doors and windows during operation if the unit is not to be used for a long time, turn off the power supply main switch. Use the timer effectively use the louvers effectively do not block the air inlet or outlet maintenanc...

  • Page 71

    For smart use of the air conditioner warning air filter cleaning open the inlet grille by pulling it upward. Remove the filter. Clean the filter. Attach the filter. Close the inlet grille. Push up the filter's center tab slightly until it is released from the stopper, and remove the filter downward....

  • Page 72

    71 note: the bacteria-killing mediums placed on the left side. The multi-lights touching intermediary is placed on the right side. Maintenance 1.Open the lnlet grille 2.Detach the standard air filter 3.Attach old air purifying filter 4.Attach the standard air filter (necessary installation) 5.Close ...

  • Page 73

    To keep your air conditioner in good condition after season. Operate in cooling mode for 2-3 hours. Put off the power supply cord. Take out the batteries from the wireless remote controller. Cleaning the body. To prevent breeding mold or bad smell, be sure to operate at the designated temperature or...

  • Page 74

    Before setting in high season cleaning the standard air filter. Connecting the earthing cable. Do not block the air inlet or outlet. Plug-in caution caution after brush away dust at the plug, insert the plug of the power supply cord into the outlet completely.In case of suing exclusive circuit break...

  • Page 75

    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 muc...

  • Page 76

    7 service diagnosis 7. 1 .Problem symptoms and measures sympt o m check item details of measure check the power supply. Check to make sure that the rated voltage is supplied. None of the units operates check the indoor pcb check to make sure that the indoor pcb is broken operation sometimes stops. C...

  • Page 77

    Error codes and description indoor display code indication indoor outdoor (led1 flash times) description reference page indoorand outdoor e7 15 communication fault between indoor and outdoor units e1 room temperature sensor failure e2 heat-exchange sensor failure e4 indoor eeprom error e14 indoor fa...

  • Page 78

    7. 2 .1thermistor or related abnormality (indoor unit) indoor display e1 : room temperature sensor failure e2 : heat-exchange sensor failure method of the temperatures detected by the thermistors are used to determine thermistor errors malfunction detection malfunction when the thermistor input is m...

  • Page 79

    7. 2 .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 malfunction abnormal fan motor operation detection malfunction when the detected rotation feedback singal don’t receiced in 2 minutes decision ...

  • Page 80

    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 malfunction ■ the system leads to ipm protection due to over current decision ■ the compressor faulty leads to ipm protection ...

  • Page 81

    Method of communication is detected by checking the ipm module and the outdoor pcb malfunction detection malfunction ■ the outdoor pcb broken leads to communication fault decision ■ the ipm module broken leads to communication fault conditions supposed ■ the outdoor pcb is broken causes ■ the ipm mo...

  • Page 82

    7. 2 .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...

  • Page 83

    7. 2 .6 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...

  • Page 84

    No no 7. 2 .7 the eeprom abnormality (indoor or outdoor unit) indoor display e4 : ： indoor eeprom error f12 ： outdoor eeprom error method of the data detected by the eeprom are used to determine mcu malfunction detection malfunction when the data of eeprom is error or the eeprom is damaged decision ...

  • Page 85

    7. 2 .8 communication error between the indoor and outdoor units indoor display e7 ； 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 malfunction when the date s...

  • Page 86

    （ a ） no yes yes check the status of led1 on the indoor mainboard. If the led1 blinks interruptedly ？ no if the voltage is of a constant value of 0v no measure the voltage between jumpers 3 and 4 of ic15 on the indoor mainboard with a multimeter. Yes the outdoor mainboard is damaged; replace them wi...

  • Page 87

    7. 2 .9 high work-intense protection indoor display e9 method of high work-intense control is activated in the heating mode if the temperature being sensed malfunction by the heat exchanger thermistor exceeds the limit. Detection malfunction activated when the temperature being sensed by the heat ex...

  • Page 88

    7. 2 .10 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...

  • Page 89

    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 conditi...

  • Page 90

    Yes 7. 2 .12 over-current of the compressor outdoor display led1 flash 24 or 25 times 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. Voltage is too low or too high sup...

  • Page 91

    8 installations the models adopt hfc free refrigerant r410a more than 5cm more than 10cm more than 60cm more than 15cm the marks from to in the figure are the parts numbers. The distance between the indoor unit and the floor should be more than 2m. More than 10cm more than 10cm more than 10cm attent...

  • Page 92

    Fixing of outdoor unit indoor unit selection of installation place power source selection of pipe outdoor unit fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally. When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in c...

  • Page 93

    Indoor unit 1.Fitting of the mounting plate and positioning of the wall hole 2.Making a hole on the wall and fitting the piping hole cover when the mounting plate is first fixed when the mounting plate is fixed side bar and lintel 1.Carry out, based on the neighboring pillars or lintels, a proper le...

  • Page 94

    Indoor unit 4.Connecting the indoor/outdoor electric cable fixing the indoor unit body removing the wiring cover [other direction piping] indoor/outdoor electric cable and drain hose must be bound with refrigerant piping by protecting tape. Cut away, with a nipper, the lid for piping according to th...

  • Page 95

    Indoor unit 94 5.Easily-demount cleaning of indoor unit 1.Top inlet can be taken down open the inlet grille, press the claw of the clip on the unit,then take down the top inlet.(according to figure 1) claw of the clip figure 1 figure 2 figure 3 2.Vertical flap can be taken down overturn the vertical...

  • Page 96: 3.Connection

    Outdoor unit forced fastening without careful centering may damage the threads and cause a leakage of gas. Pipe diameter ( ) liquid side 6.35mm(1/4") gas side 9.52mm(3/8") fastening torque 18n.M 40n.M gas side 12.7mm(1/2") 55n.M caution in case more than 5m oil trap shoud be installed every 5~7m max...

  • Page 97

    Outdoor unit 6.Purging method:to use vacuum pump 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 i...

  • Page 98

    1.Cut pipe 3.Insert the flare nut 4.Flare pipe it becomes high midway. The end is immersed in water. It waves. The gap with the ground is too small less than 5cm there is the bad smell from a ditch 2.Remove burs 0~0.5mm 1.0~1.5mm 1.5~2.0mm flare tool for r410a clutch-type conventional flare tool clu...

  • Page 99

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  • Page 100

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  • Page 101

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  • Page 102

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  • Page 103

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  • Page 104

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  • Page 105

    3 104 hsu-18,22hva103/r2(db).

  • Page 106

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  • Page 107

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  • Page 108

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  • Page 109

    6 108 hsu-18,22hva103/r2(db) /rrvhqwkhpdunhg vfuhzvil[hgwrwkh lqvwdoodwlrqsodwh /rrvhqwkhpdunhg vfuhz.

  • Page 110

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  • Page 111

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  • Page 112

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  • Page 113

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  • Page 114

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  • Page 115

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  • Page 116

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  • Page 117

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  • Page 118

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  • Page 119

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  • Page 120

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  • Page 121

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  • Page 122

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 121 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db).

  • Page 123

    + va1 r2(db) 122.

  • Page 124

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 123 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db) and remove the side panel 5hprydo of the side panel.

  • Page 125

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 124 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db) r and remove the side panel remove the back panel.

  • Page 126

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 125 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db) 5hprydo of fan and fan motor.

  • Page 127

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 126 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db).

  • Page 128

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 127 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db).

  • Page 129

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 128 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db) r.

  • Page 130

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  • Page 131

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 130 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db) lift and pull the partion loosen the fixing screw plate to remove.

  • Page 132

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 131 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db) remove the heat exchanger.

  • Page 133

    6whs 3urfhgxuh 3rlqwv 5hprydo 3urfhgxuh 132 'rphvwlf$lu&rqglwlrqhu +68 h va1 r2(db).

  • Page 134

    10. Appendix hsu- 18 , 2 2 h va1 03/ r2(db) appendix 133 'rphvwlfdlufrqglwlrqhu 10.1 piping diagrams ,qgrru )dq 0rwru u h j q d kf [ ( w d h + u r r g q, u h j q d kf [ ( w d h + u r r gw x 2 &urvv )orz )dq 3urshoohu )dq 2xwgrru )dq 0rwru &rrolqj 0rgh &rpsuhvvru 5hyhuvlqj 9doyh /ltxlg 6wrs 9doyh *dv...

  • Page 135

    Domestic air conditioner 10 . 2 wiring diagrams i ndoor u nit hsu-18hva103/r2(db) y/g: yellow /green notes: the parts of dotted are optional cn11 louver motor louver motor power supply to outdoor unit 1 3 2 br bl br: brown r: red bl: blue b: black w: white c0n14 c0n21 c on12 cn16 c0n15 cn17 cn3 cn7 ...

  • Page 136

    Domestic air conditioner wiring diagrams indoor unit ＨＳＵ－２２Ｈ Ｖ Ａ１０３／Ｒ２（ＤＢ） 135 c0n15 c0n14 c0n21 cn17 cn16 c on12 cn7 cn8 y/g emergency switch 0010556831 fan motor cn3 cn4 louver motor louver motor cn5-1 display receiver board cn9 cn5 louver motor louver motor indoor unit diagram to outdoor unit not...

  • Page 137

    Domestic air conditioner wiring diagrams outdoor unit hsu-18hva103 /r2(db) t2 5a /2 50vac cn13 cn10 cn11 00105 15305 reactor compressor cap board fu se 1 outdoor pcb outdoor unit wiring diagram defrost temp.Sensor ambient temp.Sensor comp.Temp.Sensor don't touch capacitor, even after plug-off ( dang...

  • Page 138

    1 0.3 .Circuit diagrams 1 0 . 3. 1.Indoorunit (hsu-18,22hva103/r2(db)) 1 2 3 4 a b c d 4 3 2 1 d c b a pta6 32 pta5 31 pta4 30 pta3 29 pta2 28 pta1 27 pta0 26 ptg2/kbd2 25 ptg1/kbd1 24 ptg0/kbd0 23 vdd 22 vss 21 pte7/spsck 20 pte6/mosi 19 pte5/miso 18 pte4/ss 17 pte3/tach1 16 pte2/tach0 15 pte1/rxd ...

  • Page 139

    11. 3. 2outdoorunit 11. 3. 2.1 module board circuit diagrams (hsu-18,22hva103/r2(db)) c 009 471 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 ...

  • Page 140

    11. 3. 2.3 hsu-22h v a103/r2 （ db ） control board circuit diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 vcc vref avss p44/int3/pwm p43/int2/scmp2 p30/an0 p31/an1 p32/an2 p33/an3 p34/an4 p42/int1 p41/int0 p40/cntr1 p27/cn...

  • Page 141: 6Lqfhuh)Ruhyhu

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