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Haier air conditioner Edition: 20070116
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
SERVICE
PROCEDURES DONE
BY ONE UNQUALIFIED
PERSON.
-1-
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Haier air conditioner Edition: 20070116 CONTENTS 1. GENERAL INFORMATION...............................................................3 2. SPECIFICATION...............................................................................6 3. ELECTRICAL CONTROL..................................................................8 4. THERMISTER RESISTANCE CHART.............................................30 5. TROUBLE SHOOTING....................................................................40 6. PERFORM
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Haier air conditioner Edition: 20070116 1. General information This Service Manual describes the operation, disassembly, troubleshooting, and repair of Haier Room 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
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Haier air conditioner Edition: 20070116 MODEL: HSU-09HSA03/R2(DB) Product Features Healthy negative ion 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 3 Air Volume(Indoor/outdoor): 400m /h Power Supply: 1PH/230V/ 50Hz -4-
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Haier air conditioner Edition: 20070116 MODEL: HSU-12HSA03/R2(DB) Product Features Healthy negative ion Intelligent airflow 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 3 Air Volume(Indoor/outdoor): 450m /h Power Supply: 1PH/230V/ 50Hz -5-
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Haier air conditioner Edition: 20070116 2. Specification HSU-09HSA03 HSU-12HSA03 Item Unit /R2(DB) /R2(DB) Power PH, V, Hz 1, 230, 50 1,230,50 Climate Type T1 T1 Starting Current A 10 12 Cooling Capacity W 2400 3300 Rated Power W 680 1078 Rated Current A 3.50 4.9 Cooling Max Power W 870 1350 Max Current A 3.8 6.0 EER W/W 3.53 3.06 Heating Capacity W 2650 3600 Rated Power W 730 1230 Rated Current A 3.8 5.4 Heating Max Power W 1100 1480 Max Current A 4.4 6.8 EER W/W 3.63
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Haier air conditioner Edition: 20070116 Type R410A R410A Net Charge g 800 1200 Refrigerant Charge if over standard pipe g/m 12 12 length Liquid pipe Diameter mm 6.35 6.35 Gas pipe Diameter mm 9.52 12.7 Refrigerant Pipe Standard length m 5 5 Max length m 15 15 Length mm 2000 2000 Drain Hose Diameter mm 16 16 Drainage pipe material diameter mm 16 16 Remote Controller Model YR-H04 YR-H04 Class of electric Shock Protection I I Class of Water Proof IP 24 IP 24 2 2 Power Cord (Model × Sectional Area
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Haier air conditioner Edition: 20070116 3. Electrical control . Scope of Application 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]. 1. Chip pin definition This controller adopts MOTROLA MC68HC908 AB32; Chip each pin definition as following: 1 PTC4 door switch
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Haier air conditioner Edition: 20070116 32 PA6 pushup stepping motor C 33 PA7 pushup stepping motor D 34 PTB0/ATD0 output outdoor communication 35 PTB1/ATD1 input outdoor communication 36 PTB2/ATD2 room temperature 37 PTB3/ATD3 inner coil 38 PTB4/ATD4 swing left stepping motor D 39 PTB5/ATD5 swing left stepping motor C 40 PTB6/ATD6 swing left stepping motor B 41 PTB7/ATD7 swing left stepping motor A 42 PTD0 swing right stepping motor D 43 PTD1 swing right stepping motor C 44 VDDAREF VCC 45 AVSS/
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Haier air conditioner Edition: 20070116 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. Short circuit: Temperature: above 126 degrees, Hex: Above F8H, Value of Resistance: Below 0.65K, above 4.85V. Normal temperature: Temp: 25 degrees, Hex: 40H, Value o
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Haier air conditioner Edition: 20070116 Corrected Mode Corrected contents Corrected variable parameter Correct the operating mode ETBL0 4.67 Correct forced operating mode ETBL1 6 When the air capacity is low to Heat ETBL2 4.67 correct it When the air capacity is low to ETBL3 4.67 correct it Cool and Correct the operating mode ETBL4 -0.33 dry mode Correct the forced operating mode ETBL5 -4 2.4 Control the temperature the area 2.4.1 Deviation Calculation the deviation of the temperature a
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Haier air conditioner Edition: 20070116 When the system is in test run, emergency operation, silencing operation mode, the DASH will be stopped. 2.4.5 Temperature adjustment section DASH operation condition in the different mode 2.4.6 Frequency in the different mode 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 betwe
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Haier air conditioner Edition: 20070116 Controlling table in the identity area Temperature change area AB C D E F G H Heat FQUP(2Hz) FQUP(2Hz) FQUP(2Hz) FQUP(1Hz) FQUP(1Hz) Cool and dry FQUP(2Hz) FQUP(2Hz) FQUP(2Hz) FQUP(1Hz) FQUP(1Hz) FQUPH 2Hz FQUPL 1Hz 2.4.8 Air capacity decision when Air capacity is running automatically. When air capacity is running automatically, based on temperature adjusting sections, you shift the switch for air capacity, namely, enhanced, middle, and weak. When
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Haier air conditioner Edition: 20070116 correction the limit frequency according to the following condition: Outdoor temperature condition Indication frequency 011(20 more than) Low fan or health fan limited frequency 48Hz 010(15-20 ) Low fan or health fan limited frequency 50Hz +FUPHEA1 001(10-15 ) Low fan or health fan limited frequency 52Hz +FUPHEA2 000(10 downward) In general frequency . Indoor fan motor control Objective revolutions: When air capacity is set
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Haier air conditioner Edition: 20070116 Based on the heat exchange temperature to control the indoor fan as the above shown. 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 motor will OFF; if t
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Haier air conditioner 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. 3. Power off by remote control then the indoor fan motor will OFF. 3.1.3 Compressor restart It is set air capacity by remote control after the
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Haier air conditioner 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. . Enhanced operation Enhanced operation will continue for 15 minutes. Enhanced operation will finish if the operation is off or after 15 minutes. Enhanced operation will finish when the status be changed. Enhanced operation will finish if the unit e
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Haier air conditioner Edition: 20070116 After compressor starts, it’s not on the low load protection within 3 minutes. 4.3 No enhanced function for fan and defrosting mode. .Silence operation Send silence operation signal to outdoor unit. 5.1 Heating in the silence mode When compressor is on, air capacity is SSLO. When compressor is off, air capacity is SSLO within 20 seconds, and then it changes to be tenuity. 5.2 Cooling in the silence mode Air capacity is SSLO. 5.3 No silence functions dur
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Haier air conditioner Edition:20070116 7.3 Timer ON/OFF The executing order is based on the direction from the board. . Sleep operating 8.1 During cool/ dry operation, the fixed temperature will rise by 1 after it operates for 1 hour. After another hour the temperature will rise by another 1 . After 6 hours, the unit is off. 8.2 During heat-making operation, the fixed temperature will rise by 2 after 1 hour. After another 2 hours the temperature will rise by 2 . The temperature will rise by
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Haier air conditioner Edition:20070116 When the system switch from other mode to auto mode, if the operation status change (i.e. first determine and then operation), it will stop for 3 minutes and then determine temperature based on the indoor ventilation temperature. 9.2 Full-automation operation After system is on and the operation mode will switches to auto mode, the system determine operating mode by the difference between current set temperature and the room temperature, and then operate
