Haier HSU-12HSA03 Service Manual
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Haier HSU-12HSA03 Service Manual

Domestic air conditioner
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CAUTION
READ THIS MANUAL
CAREFULLY TO
DIAGNOSE TROUBLE
CORRECTLY BEFORE
OFFERING SERVICE.
THIS MANUAL IS USED
BY QUALIFIED
APPLIANCE
TECHNICIANS ONLY.
HAIER DOES NOT
ASSUME ANY
RESPONSIBILITY FOR
PROPERTY DAMAGE
OR PERSONAL INJURY
FOR IMPROPER
SERVICE
PROCEDURES DONE
BY ONE UNQUALIFIED
PERSON.
Haier air conditioner
HSU-09HSA03/R2(DB)
HSU-12HSA03/R2(DB)
- 1 -
Edition: 20070116
Domestic
Air conditioner

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Summary of Contents for Haier HSU-12HSA03

  • Page 1 Domestic Air conditioner HSU-09HSA03/R2(DB) HSU-12HSA03/R2(DB) CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE. THIS MANUAL IS USED BY QUALIFIED APPLIANCE TECHNICIANS ONLY. HAIER DOES NOT ASSUME ANY RESPONSIBILITY FOR PROPERTY DAMAGE OR PERSONAL INJURY FOR IMPROPER...

  • Page 2: Table Of Contents

    6. PERFORMANCE CURVES DIAGRAM...........46 6.1 High drop and long pipe capacity modification curves…………………………..46 6.2.1 Cooling capacity-t e m p e r a t u r e c u r v e s ……………………………………………..47 6.2.2 Heating capacity-temperature curves……………………………………………..49 6.3 Air outlet temp.-ambient temperature curves……………………………………….51 6.4.1 Cooling discharge pressure curves..............53...

  • Page 3: General Information

    Air Conditioners, etc. It is intended for use by authorized services who troubleshoot and repair these units. It is assumed that users of this manual are familiar with the use of tools and equipment used to troubleshoot and repair electrical, mechanical, and refrigeration systems; and understand the terminology used to describe and discuss them.
  • Page 4 Intelligent airflow Entire auto mode ESF filter Easy clean design Main Specification Cooling Capacity: 2400W Power Input: 680W Current Input:3.50A EER:3.53 Heating Capacity: 2650W Power Input:730W Current Input: 3.8A COP: 3.63 Air Volume(Indoor/outdoor): 400m Power Supply: 1PH/230V/ 50Hz - 4 -...
  • Page 5 Entire auto mode ESF filter Easy clean design Main Specification Cooling Capacity: 3300W Power Input: 1078W Current Input: 4.9A EER:3.06 Heating Capacity: 3600W Power Input:1230W Current Input: 5.4A COP: 2.93 Air Volume(Indoor/outdoor): 450m Power Supply: 1PH/230V/ 50Hz - 5 -...

  • Page 6: Specification

    Operating temp. Cooling 18~46 18~46 range Heating -15~24 -15~24 1150 1300 Indoor fan Velocity Outdoor fan Velocity Indoor Air Volume (High) Max. pressure at warm side 4.15 4.15 Moisture Removal 0.83 Indoor (H/M/L) dB(A) 42/40/38 42/40/38 Noise Level Outdoor dB(A)
  • Page 7 2000 2000 Drain Hose Diameter Drainage pipe material diameter Remote Controller Model YR-H04 YR-H04 Class of electric Shock Protection Class of Water Proof IP 24 IP 24 Power Cord (Model × Sectional Area) H05VV-F 3G2.5mm H05VV-F 3G2.5mm - 7 -...

  • Page 8: Electrical Control

    This specification use for HSU-09/12HSA03/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 9 When air capacity operates automatically; the indoor fan will be controlled on the basis of the requirements of temperature adjustment. When the unit operates to make heat, the indoor wind unit will be controlled based on scrolling temperature. - 9 -...
  • Page 10 2.1.1 Standard of temperature sensor under indoor environment. When the line is in short circuit or open circuit, the indicator light will be alarming and the indoor fan motor will be off. It will resume to the original state automatically after it returns normally, and operates as usual.
  • Page 11 ?T starting data (Except dry) and operating mode is transferring. (Except the case that waiting unit is off). Compressor starts when the wrap E is larger than –?T. When compressor is operating and the set temperature by the remote control changes in the orientation that compressor is off, in addition, it is below –?T, compressor will be off.
  • Page 12 In this area, the frequency (from indoor to outdoor) indication as following: When the system is in the cool and dry mode, the frequencies between A area and B area are same. In the silencing operation mode, the frequencies between A-E area and F area are same.
  • Page 13 Estimate the limiting frequency condition in heat mode; first, estimate it whether is the limiting frequency condition of set low fan or health fan. If there have set low fan, health fan or both of them, to - 13 -...

  • Page 14: Indoor Fan Motor Control

    . Indoor fan motor control Objective revolutions: When air capacity is set for controlling by hand; it is the revolution of (High + Low)/2. When it runs automatically, it is the revolution of (automatically high + automatically low)/2. (No account the revolution when it doesn’t reach 10rpm) 3.1 Heat operation...
  • Page 15 1. When the heat exchange temperature rise, to distinguish the fan speed based on the heat exchange temperature: The heat exchange temperature is less than 35.2 , the speed of fan motor is weak (for the first power on, when the system operating in heat mode or OFF the defrost mode, and when the heat exchange temperature is less than 25.2 , the fan m otor will OFF;...

  • Page 16: Haier Air Conditioner Edition

    Edition: 20070116 3.1.2 Compressor OFF and waiting for 3 minutes 1. The compressor is OFF (the flamestat is OFF), the air capacity will change from small to little small after 20 seconds (is SSLO in silence mode); 2. To heat operating in stand-by time (when the mode switch, the compressor will OFF), the air capacity keep to weak.
  • Page 17 Edition: 20070116 3.3.2 Compressor ON When the air capacity is set High, Middle and Low, the compressor will operate by the set mode. When the air capacity is set auto fan, the air capacity will be adjusted by the temperature.

  • Page 18: Fresh Air

    When the fan motor is OFF, the negative ion generator will OFF. When the negative ion generator is OFF, if the fresh air mode is ON, the fan motor operating again and the negative ion generator will ON automatically.

  • Page 19: Automatic Operation

    If indoor fan unit is middle fan speed before it is set for sleeping state, fan speed indoors will change into low fan after it is set for sleeping state. If indoor unit is low fan before it is set for sleeping state, fan speed indoors will keep the same.
  • Page 20 15 minutes, and then to detect the room temperature, at this point, if Tr Ts+3 , then the system enter the cool mode, otherwise it will operate continuously in the heat mode.
  • Page 21 In heat operation mode, the unit performs high load protection operating according to Heat exchange temperature as following figure show: When operating for heat, the unit is under high load controlling based on Heat exchange temperature as the following picture shows.
  • Page 22 "THHOTLTH" (-4.5 ) for "TMHOTLTH" 90 seconds , compressor will be off and wait for 3 minutes. Heat exchange temperature higher than "THHOTLTH" (-4.5 ) will reset.

  • Page 23: Special Function

    Enter conditions The system be set high heat mode by remote control, set temperature is 30 , power on for the first time, press the sleep key 6 times in 7 seconds, the buzzer resound 6 times. b.Enter indoor unit single operation mode, indoor unit processing as following program:...
  • Page 24 G code enter conditions High fan cool, set temp. is 16 , press 4 times continuan tly in 7s Enter rated frequency operation; Panel show cool status; have ration in communication. Reso Enter rated frequency operation; Panel show cool status; have ration in communication.
  • Page 25 Then operation as following program: Enter min capacity rated frequency operation; panel show cool status; have ration in communication. Enter rated frequency operation; Panel show cool status; have ration in communication. c. Exit condition Exit rated operate mode and enter remote control set status after received remote control signal. .Fault explain...

  • Page 26: Emergency Switch

    When power off, continues Press the emergency switch in 10s-15s to indicate last fault. When power off, Press the emergency switch, the panel shown auto mode. When power off, continues Press the emergency switch in 15s or at hand leave switch, unit don’t receive the remote control.
  • Page 27 70º from level cool45ºHeat 60º 20.1.4 Dispose on swing of remote control. 20.1.4.1 The swing will move in the following direction when the unit is cool/ dry/ fan. Position 1 (Initial position)---position 2---position 3----position 4-----position 5 -----position 6---. … … circulating 20.1.4.2 The swing will move in the following direction when the unit is making heat:...
  • Page 28 Swing-blade operating stop, keep the last output phase of excitation (1 phase); when unit operating stop (all close), all of 4 phase close. In the set range, back and forth move, the acting is foreign to ON/OFF of temperature sensor. Cool/dry: Pulse scope 45degree.

  • Page 30: Thermistor Resistance Chart

    Haier air conditioner Edition: 20070116 4. Thermistor resistance chart Room temperature sensor Temp. ( ) R (KO) Power Input (V) 281.34 0.33 263.56 0.35 247.84 0.37 231.66 0.40 217.35 0.42 204.02 0.45 191.61 0.47 180.04 0.50 169.24 0.53 159.17 0.56 149.77...
  • Page 31 Haier air conditioner Edition: 20070116 30.72 1.97 29.25 2.00 27.85 2.09 26.54 2.15 25.30 2.21 24.12 2.27 23.00 2.33 21.94 2.38 20.94 2.44 19.99 2.50 19.09 2.56 18.23 2.62 17.42 2.67 16.65 2.73 15.92 2.78 15.22 2.84 14.56 2.89 13.93 2.95...
  • Page 32 3.26 4.30 3.15 4.32 3.04 4.34 2.94 4.36 2.84 4.38 2.74 4.40 2.65 4.42 2.56 4.43 Indoor pipe sensor&outdoor ambient sensor, defrosting sensor Temperature( R(KO) Power Input(V) 90.79 0.90 85.72 0.95 80.96 0.99 76.51 1.04 72.33 1.08 68.41 1.13 64.73 1.18...
  • Page 33 Haier air conditioner Edition: 20070116 29.84 2.01 28.22 2.07 26.88 2.13 25.61 2.19 24.41 2.25 23.27 2.31 22.20 2.37 21.18 2.43 20.21 2.49 19.30 2.54 18.43 2.60 17.61 2.56 16.83 2.72 16.09 2.77 15.38 2.83 14.71 2.88 14.08 2.93 13.48 2.99...
  • Page 34 Haier air conditioner Edition: 20070116 4.58 4.07 4.42 4.10 4.26 4.12 4.11 4.15 3.97 4.17 3.83 4.20 3.70 4.22 3.57 4.24 3.45 4.26 3.33 4.28 3.22 4.31 3.11 4.33 3.00 4.35 2.90 4.37 2.81 4.38 2.72 4.40 2.63 4.42 2.54 4.44...
  • Page 35 Haier air conditioner Edition: 20070116 OUTDOOR discharge -temperature sensor =50K ±3% =4450K±3% 25/80 temperature max Resistance normal, Resistance min Resistance (K ) (K ) (K ) 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...
  • Page 36 Haier air conditioner Edition: 20070116 2045.9191 1784.3336 1554.7931 -2.52 2.21 1932.0242 1687.8144 1473.1460 -2.50 2.20 1825.0899 1597.0431 1396.2333 -2.48 2.19 1724.6540 1511.6468 1323.7551 -2.47 2.17 1630.2870 1431.2787 1255.4324 -2.45 2.16 1541.5904 1355.6163 1191.0048 -2.43 2.15 1458.1938 1284.3593 1130.2298 -2.41 2.14 1379.7528...
  • Page 37 Haier air conditioner Edition: 20070116 262.0206 242.6161 224.4465 -1.76 1.64 250.2676 232.0436 214.9529 -1.74 1.63 239.0983 221.9825 205.9065 -1.71 1.61 228.4809 212.4060 197.2844 -1.69 1.59 218.3860 203.2887 189.0648 -1.67 1.57 208.7855 194.6066 181.2273 -1.65 1.55 199.6531 186.3369 173.7524 -1.63 1.54 190.9639...
  • Page 38 Haier air conditioner Edition: 20070116 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...
  • Page 39 Haier air conditioner Edition: 20070116 14.1376 13.1879 12.2909 -2.41 2.27 13.7294 12.7955 11.9144 -2.45 2.31 13.3347 12.4165 11.5510 -2.50 2.35 12.9531 12.0503 11.2003 -2.54 2.39 12.5840 11.6965 10.8617 -2.58 2.43 12.2270 11.3545 10.5348 -2.63 2.47 11.8817 11.0240 10.2191 -2.68 2.51 11.5475...

  • Page 40: Trouble Shooting

    With the malfunction, LED1 3)The linking cable between the indoor and on the outdoor mainboard outdoor units is not well connected or the blinks 15 times core wires are not well insulated 4)The indoor PCB might be broken 5)The outdoor PCB might be broken...
  • Page 41 1)The SPDU is broken With this malfunction, LED1 2)The power supply is not good on the outdoor mainboard 3) The system may have been over or under blinks 3 times. charged with gas With the malfunction, LED1 1)IPM Module might be poorly radiated...
  • Page 42 Terminal CN8(CN6) on indoor mainboard and reinsert the indoor mainboard them. contact well or not? Pull the sensor out of the mainboard 1) Measure the value of resistance Sensor is broken between its two jumpers Replace with new indoor PCB 2) Measure the temperature at the room temperature sensing head.
  • Page 43 CN10 (or CN11, or CN9) on outdoor mainboard and reinsert the out door mainboard them. contact well or not? Pull the sensor out of the mainboard 1) Measure the value of resistance between its two jumpers Sensor is broken 2) Measure the temperature at the Replace with a new sensor room temperature sensing head.
  • Page 46 Haier air conditioner Edition: 20070116 F11: The malfunction of the compressor’ rotor circuit Within 3 minutes after the machine is supplied with power and turned on with 1. The wiring of compressor is the remote controller, the outdoor unit incorrect or the connection is stops shortly after startup, and the poor;...
  • Page 47 Edition: 20070116 F4: Overheat protection for exhaust temperature 1) The cryogen may have been leaked during Electrify the machine again and turn it on with installation, or there may the remote controller, then measure the be leakage in the piping temperature at the exhaust temperature system.
  • Page 48 Haier air conditioner Edition: 20070116 F22: AC electricity protection Electrify the machine again and turn it on with the remote controller. If malfunctions are reported before or The IPM is damaged upon the compressor being started The compressor is started normally,...
  • Page 49 Test with a multimeter, and check whether the resistance values among IPM Module is damaged and Phases U, V and W of compressor are needs replacing. equal and between 1 and 3O. The compressor should be damaged.
  • Page 50 Haier air conditioner Edition: 20070116 E9: High work-intense protection Electrify the machine again and turn it on with the remote controller, then Check room temperature check whether the wind temperature is sensor. Methods is like E1 below 65 and the malfunction is...
  • Page 51 Haier air conditioner Edition: 20070116 E4: Indoor EEPROM error Replace the PCB of indoor unit F12: Outdoor EEPROM error Replace the PCB of outdoor unit - 51-...
  • Page 52 Service diagnosis 7.3.2 Indoor fan motor malfunction Indoor Display Method of The rotation speed detected by the Hall IC during fan motor operation is used to Malfunction determine abnormal fan motor operation Detection Malfunction when the detected rotation feedback singal don’t receiced in 2 minutes...
  • Page 53 Haier air conditioner Edition: 10061116 F3: Communication fault between the IPM and outdoor PCB 1, Check whether Terminal CN7 1, Pull out and reinsert the on the outdoor mainboard, CN10 terminals. on IPM module are well inserted. 2, Replace connected wire...
  • Page 54 Haier air conditioner Edition: 20070116 F19: Power voltage is too high or low Check whether the voltage The IPM module is damaged between P and N of Terminal and needs replacing CN7 of the outdoor is below 120vDC or up 400vDC.
  • Page 55 Haier air conditioner Edition: 20070116 Other malfunctions: With the machine electrified, the unit cannot open If there is no response after the emergency button is pressed down, shoot the trouble as follows The power supply damage, and Check whether the voltage...

  • Page 56: Performance Curves Diagram

    Haier air conditioner Edition: 20070116 6. Performance curves diagram 6.1 High drop and long pipe capacity modification curves - 56-...

  • Page 57: Cooling Capacity-Temperature Curves

    Haier air conditioner Edition: 20070116 6.2.1 Cooling capacity-temperature curves HSU-09HSA03/R2(DB) Cooling value - Temperature table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 2383 2313 2243 2196 1986 1866 1669 1518 18/12 18/14 2534 2460 2386 2336 2060 1986 1811 1615...
  • Page 58 Haier air conditioner Edition: 20070116 HSU-12HSA03/R2(DB) Cooling value - Temperature table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 3244 3122 3027 2964 2681 2520 2144 2050 18/12 3421 3321 3163 3056 2781 2680 2372 2100 18/14 3524 3425 3322 3252...

  • Page 59: Heating Capacity-Temperature Curves

    Haier air conditioner Edition: 20070116 6.2.2 Heating capacity-temperature curves HSU-09HSA03/R2(DB) Heating capacity - Temp. curves Outdoor temp. Indoor temp. (Humidity 46%) 20/15 20/12 20/14.5 27/18 DB/WB 2336 2313 2341 2280 2534 2488 2437 2397 2610 2600 2575 2564 2742 2697...
  • Page 60 Haier air conditioner Edition: 20070116 HSU-12HSA03/R2(DB) Heating capacity - Temp. curves Outdoor temp. Indoor temp. (Humidity 46%) 20/15 20/12 20/14.5 27/18 DB/WB 2536 2513 2541 2480 2734 2688 2637 2597 2810 2800 2775 2764 2942 2897 2861 2805 3049 3080...

  • Page 61: Air Outlet Temp.-Ambient Temperature Curves

    Haier air conditioner Edition: 20070116 6.3 Air outlet temp.-ambient temperature curves HSU-09HSA03/R2(DB) Air outlet temp. - Ambient temp. table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 9.30 9.69 9.81 10.10 12.10 12.66 11.52 10.67 18/12 9.47 9.74 10.10 10.64 12.16 12.85...
  • Page 62 Haier air conditioner Edition: 20070116 HSU-12HSA03/R2(DB) Air outlet temp. - Ambient temp. table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 7.63 7.94 8.05 8.28 9.92 10.15 9.45 8.75 18/12 7.77 7.98 8.43 8.92 10.17 10.63 9.65 9.18 18/14 8.38 8.72 8.95...

  • Page 63: Cooling Discharge Pressure Curves

    Haier air conditioner Edition: 20070116 6.4.1 Cooling discharge pressure curves HSU-09HSA03/R2(DB) Cooling discharge pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB 2183 2315 2560 2469 2640 2800 2864 2990 3260 3143 3290 3480 3275 3490 3700 3311 3531 3760...
  • Page 64 Haier air conditioner Edition: 20070116 HSU-12HSA03/R2(DB) Cooling discharge pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB 2286 2469 2725 2530 2689 2908 2864 3114 3267 3165 3400 3553 3355 3575 3744 3440 3663 3824 Outdoor Temp - 64-...

  • Page 65: Cooling Suction Pressure Curves

    Haier air conditioner Edition: 20070116 6.4.2 Cooling suction pressure curves HSU-09HSA03/R2(DB) Cooling suction pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB Outdoor Temp - 65-...
  • Page 66 Haier air conditioner Edition: 20070116 HSU-12HSA03/R2(DB) Cooling suction pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB Outdoor Temp - 66 -...

  • Page 67: Heating Discharge Pressure Curves

    Haier air conditioner Edition: 20070116 6.4.3 Heating discharge pressure curves HSU-09HSA03/R2(DB) Heating discharge pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB 2109 2226 2400 2155 2277 2454 2256 2467 2600 2430 2615 2734 2527 2697 2851 2595 2779 2952...
  • Page 68 Haier air conditioner Edition: 20070116 HSU-12HSA03/R2(DB) Heating discharge pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB 2087 2226 2400 2179 2320 2462 2309 2417 2560 2446 2569 2734 2520 2668 2877 2590 2779 2990 2713 2903 3067 2728 2945...

  • Page 69: Heating Suction Pressure Curves

    Haier air conditioner Edition: 20070116 6.4.4 Heating suction pressure curves HSU-09HSA03/R2(DB) Heating suction pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB Outdoor Temp - 69 -...
  • Page 70 Haier air conditioner Edition: 20070116 HSU-12HSA03/R2(DB) Heating suction pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB Outdoor Temp - 70 -...

  • Page 71: Sensible Cooling Value-Temperature Curves

    Haier air conditioner Edition: 20070116 6.5 Sensible cooling value-temperature curves HSU-09HSA03/R2(DB) Sensible cooling value - Temperature table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 18/12 1885 1783 1720 1647 1489 1400 1315 1236 18/14 1917 1866 1800 1720 1545 1489...
  • Page 72 Haier air conditioner Edition: 20070116 HSU-12HSA03/R2(DB) Sensible cooling value - Temperature table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 18/12 2530 2407 2296 2223 2089 1890 1775 1669 18/14 2614 2519 2415 2365 2180 2010 1887 1783 20/15 2676 2592...
  • Page 73 Haier air conditioner Edition: 20070116 6.6 Power consumption-temp. Curves HSU-09HSA03/R2(DB) Power consumption value - Temp. table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 18/12 1156 1240 1300 1392 18/14 1173 1245 1360 1452 20/15 1011 1213 1302 1365 1492 22/16...
  • Page 74 Haier air conditioner Edition: 20070116 HSU-12HSA03/R2(DB) Power consumption value - Temp. table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 18/12 1152 1348 1564 1687 1820 1972 18/14 1009 1158 1369 1642 1762 1904 2072 20/15 1008 1200 1416 1699 1823...

  • Page 75: Noise Curves

    Haier air conditioner Edition: 20070116 6.7 Noise curves HSU-09HSA03/R2(DB) NOISE LEVEL 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz INDOOR OUTDOOR HSU-12HSA03/R2(DB) NOISE LEVEL 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz INDOOR OUTDOOR - 75-...

  • Page 76: Compressor Performance Curves

    Haier air conditioner Edition: 20070116 6.8 Compressor performance curves COMPRESSOR: DA89X1C-20FZ HSU-09HSA03/R2(DB) SERIAL NUMBER FREQUENCY INPUT POWER 1200 1425 INPUT POWER SERIAL NUMBER FREQUENCY INPUT POWER 1185 1730 2280 2560 3070 3300 - 76 -...
  • Page 77 Haier air conditioner Edition: 20070116 COMPRESSOR: C-6RZ092H1A HSU-12HSA03/R2(DB) SERIAL NUMBER FREQUENCY 1065 1309 1760 1877 INPUT POWER INPUT POWER SERIAL NUMBER FREQUENCY 1293 1635 2387 3146 3533 4237 4554 INPUT POWER - 77 -...

  • Page 78: Wiring Diagram

    Haier air conditioner Edition:20070116 7. Wiring diagram - 78 -...
  • Page 79 Haier air conditioner Edition: 20070116 SPDU - 79-...

  • Page 80: Circuit Diagram

    HSU- 09/12HSA03/R2(DB) Appendix 10.3 Circuit Diagram Indoor unit Domestic Air Conditioner...
  • Page 81 Haier air conditioner Edition: 20070116 Outdoor Unit - 81 -...

  • Page 82: Installation

    Cushion Arrangement of piping directions Rear left Rear Left right Right Below The marks from in the figure are the parts numbers. The distance between the indoor unit and the floor should be more than 2m. No.0010562526 - 82 -...

  • Page 83: Indoor Unit

    Before inserting power plug into receptacle, check the voltage without fail. The power source is the same as the corresponding name plate. Install an exclusive branch circuit of the power. A receptacle shall be set up in a distance where the power cable can be reached. Do not extend the cable by cutting it. Selection of pipe To this unit, both liquid and gas pipes shall be insulated as they become Iow temperature in operation.
  • Page 84 2. Make sure once more the proper level of the plate, by hanging a thread with a weight from the central top of the plate, then fasten securely the plate with the attachment steel nail.

  • Page 85: Installation Of The Indoor Unit

    In case of left side piping, cut away, with a nipper, the lid for left piping. In case of left-rear piping, bend the pipes according to the piping direction to the mark of hole for left-rear piping which is marked on heat insulation materials.
  • Page 86 1. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar qualified person. The type of connecting wire is H05RN-F or H07RN-F.

  • Page 87: Installation Of Outdoor Unit

    Be careful that matters, such as wastes of sands, etc. shall not enter the pipe. The standard pipe length is 5m. If it is over 5m, the function of the unit will be affected. If the pipe has to be lengthened, the refrigerant should be charged, according to 20 g/m. But the charge of refrigerant must be conducted by professional air conditioner engineer.
  • Page 88 Otherwise, there will be refrigerant into air conditioner according to the amount marked on abnormal high pressure in the system to make it crack and lead to the name plate. personal injuries.
  • Page 89 Please pour water in the drain pan of the indoor unit, and confirm that drainage is carried out surely to outdoor. In case that the attached drain hose is in a room, please apply heat insulation to it without fail.
  • Page 90 Haier air conditioner Edition: 20070116 Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

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