Haier HW-07LN03 Service Manual
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Summary of Contents for Haier HW-07LN03
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Page 1: Service Manual
Haier air conditioner Edition: 20070925 Domestic air conditioner SERVICE MANUAL Model HW-07LN03 HW-09LN03 HW-12LN03 Feature Four side air flowing Power Failure Compensation Auto Right/Left Swing Two cooling/fan/dehumidifying setting 24 hours ON/OFF Sliding chassis design - 1 -... -
Page 2: Product Code Illumination And Series Introduction
1). Model code rule description Model identification: H W - □□ □□ □□ A: Abbreviation of Haier B: Abbreviation of Window C: Nominal cooling capacity (BTU/h) with the first two numbers based on one thousand unit. D: Function code... -
Page 3: Table Of Contents
Haier air conditioner Edition: 20070925 Content 1. Product Code Illumination and Series introduction......2 2. Specifications..................4 3. Main components and accessories' name........5 4. Printed Circuit Board Connector Wiring Diagram ......7 5. Functions and control...............11 6. Circuit diagram................13 7. Maintenance..................14 8. Trouble shooting ................18 9. -
Page 4: Specifications
Haier air conditioner Edition: 20070925 2. Specification Unit Item HW-07LN03 HW-09LN03 HW-12LN03 Cooling capacity 2100 2500 3500 Heating capacity Power supply 1, 220, 50 1, 220, 50 1, 220, 50 Power input 1000 1250 Cooling Running current 2.65 Power input... -
Page 5: Main Components And Accessories' Name
Haier air conditioner Edition: 20070925 Main components and accessories' name Front panel Air inlet (indoor side) Air outlet (indoor side) Control panel Air inlet (outdoor side) - 5 -... - Page 6 Haier air conditioner Edition: 20070925 1. TEMP. / TIME display 2. TEMP./TIME set Used to set TIME or TEMP. setting. 3. MODE Used to select operation mode: FAN, COOL, DEHUM 4. FAN SPEED Used to select desired fan speed:LOW or HIGH 5.
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Page 7: Printed Circuit Board Connector Wiring Diagram
Haier air conditioner Edition: 20070925 4.Printed Circuit Board Connector Wiring Diagram Connectors Indoor PCB 1)CN2 connector for room temp. sensor. 2)CN3 connector for receiver display. 3)CN8 connector for high fan. 4)CN10 connector for low fan. 5)CN11 connector for fan motor. -
Page 8: Functions And Control
Haier air conditioner Edition: 20070925 receiver display 5. Functions and control 5.1 Introduction to electrical control functions Including brief introduction to air conditioners of series models and electric control function. 5.1.1 Cooling run mode: temperature control range :16℃—30℃ temperature control precision: ±1℃... - Page 9 Haier air conditioner Edition: 20070925 When Tr>Ts+2℃, the compressor run continuously with indoor fan motor running in accordance with the wind speed setting. When Ts-1 ≤ Tr ≤ Ts +2℃, the compressor will cycle for 10 minutes on and 6 minutes off, When Tr <...
- Page 10 Haier air conditioner Edition: 20070925 5.3 Value of Thermistor room temperature sensor R25℃=5KΩ±1% B25 /50 ℃ ℃=3450K±1% Temp.(℃) Max.(KΩ) Normal(KΩ) Min.(KΩ) Tolerance(℃) 38.5398 37.3992 36.2887 -1.78 1.62 36.5922 35.5274 34.4900 -1.76 1.60 34.7549 33.7607 32.7916 -1.74 1.59 33.0211 32.0927 31.1872 -1.72...
- Page 11 Haier air conditioner Edition: 20070925 7.8765 7.7643 7.6530 -1.03 1.00 7.5551 7.4506 7.3468 -1.00 0.98 7.2487 7.1513 7.0546 -0.98 0.96 6.9565 6.8658 6.7757 -0.95 0.94 6.6778 6.5934 6.5095 -0.93 0.91 6.4118 6.3333 6.2552 -0.90 0.89 6.1579 6.0850 6.0124 -0.88 0.87 5.9156...
- Page 12 Haier air conditioner Edition: 20070925 1.7590 1.7232 1.6879 -1.94 1.83 1.7032 1.6680 1.6333 -1.99 1.87 1.6495 1.6149 1.5808 -2.03 1.91 1.5977 1.5636 1.5301 -2.07 1.95 1.5477 1.5142 1.4813 -2.12 1.99 1.4995 1.4666 1.4343 -2.16 2.03 1.4530 1.4206 1.3889 -2.21 2.07 1.4081...
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Page 13: Circuit Diagram
Haier air conditioner Edition: 20070925 6. CIRCUIT DIAGRAM Circuit diagram 1 8550 8550 8550 8550 2.4K 2.4K 2.4K 2.4K CON1 HR-JST-ESA3125-15P250-A1 LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8 LED9 100uF-16V 0.1uF Ф Ф Ф Ф Ф Ф Ф Ф... -
Page 14: Maintenance
Haier air conditioner Edition: 20070925 7.Maintenance - 14 -... - Page 15 Haier air conditioner Edition: 20070925 Avoid opening doors and Don't be exposed to cold air windows unless necessary. for a long time. Use curtain or blind Keep heat source away from Direct sunlight may reduce air conditioner. cooling effect, always use window curtain.
- Page 16 Haier air conditioner Edition: 20070925 Disposal of the condensed water Generally there are two methods available on disposal of the condensed water: 1. Block the bottom plate hole of the conditioner with rubber lid, install drain elbows on the back hole and let the condensing water flow from the back hole of the conditioner.
- Page 17 Haier air conditioner Edition: 20070925 Cleaning of the shell and remote controller Wipe the shell with soft cloth. If it is very dirty, please use water with diluted neutral detergent. In wiping, first twist out the water in the cloth.
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Page 18: Trouble Shooting
Haier air conditioner Edition: 20070925 8. Trouble shooting Before sending to repair, please first check the following: Phenomenon Reason If the machine is started after stop, it will need Switch on the machine but it about 3 minutes to re-start so as to prevent does not work immediately. - Page 19 Haier air conditioner Edition: 20070925 Trouble Shooting E0: Room temperature sensor failure CN2 whether terminal Pull out the terminals on the indoor CN2 on indoor PCB mainboard and reinsert them contact well? Pull the sensor out of the mainboard 1) Measure...
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Page 20: System Flow Chart
Haier air conditioner Edition: 20070925 10. System flow chart - 20 -... -
Page 21: Wiring Diagram
Haier air conditioner Edition: 20070925 7. Wiring diagram - 21 -... -
Page 22: Installation And Repairing
Haier air conditioner Edition: 20070925 9. Installation and repairing Selection of the installation position 1. The air-conditioner is better installed in shadow or in a place with short period of sunshine. In case the air-conditioner is installed at the point exposed directly to the sunshine, it should be protected from the direct sunlight as possible in order to avoid the long time of direct sunlight otherwise its performance will be lowered. - Page 23 Haier air conditioner Edition: 20070925 The enclosed accessories of the conditioner are: Outlet Name Manual Sealed gasket Drain pan Screw pipe fitting (R-03 dry battery) Figure Quantity Make the wall hole or window hole (see Fig. 4) HW-09LN03 355mm 471mm...
- Page 24 Haier air conditioner Edition: 20070925 Take out the conditioner and accessories from the package . Lift the back of the machine body slightly. You can see the drain hole at the back of the bottom plate. Plug the black rubber lid of the enclosed accessories into the hole.
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Page 25: Compressor Performance Diagram
Haier air conditioner Edition: 20070925 10. Compressor performance diagram HW-07LN03 Performance Curve Return Gas Temperature 44R193AE Model Subcooling 220V / 50Hz / 1PH Power Supply 40 μF / 370 VAC Ambient Temperature Run Capacitor 2500 2350 2200 2050 1900 1750... - Page 26 Haier air conditioner Edition: 20070925 HW-09LN03 Return Gas Temperature 35℃ Appendix 3. Performance Curve 44R233C Model Subcooling 8.3℃ 220V / 50Hz / 1PH Power Supply Ambient Temperature 35℃ 25 μF / 370 VAC Run Capacitor Cond. Temperature 3100 45℃ 2950 50℃...
- Page 27 Haier air conditioner Edition: 20070925 Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com - 27 -...