Service Manual - Quietside

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1-3 During operation Do not repair the air conditioner at your discretion.It is recommended to contact a service center directly. Never spill any kind of liquid on the air conditioner.If this happens, turn off the air conditioner and contact an authorized service center. Do not insert anything between the airflow blades to prevent damage of the innerfan and consequent injury. Keep children away from the air conditioner. Do not place any obstacles in front of the air conditioner. Do not spray any kind of liquid into the indoor unit. If this happens, turn off the airconditioner and contact a service center. Make sure that the air conditioner is well ventilated at all times:Do not place a cloth or other materials over it. Remove the batteries if you don’t use the remote control for a long time. (If applicable) Use the remote control within 7 meters from the indoor unit. (If applicable)No children Nearby1-4 Disposing of the unit Before throwing out the air conditioner, remove the batteries from the remote control. When you dispose of the air conditioner, consult your dealer. If pipes are removed incorrectly, refrigerant may blow out and causeair pollution. When it contacts with your skin, it can cause skin injury. The package of the air conditioner should be recycled or disposed of properly for environmental reasons.1-5 Others Never store or load the air conditioner upside down or sideways to prevent the damage to the compressor. Young children or infirm persons should be always supervised when they use the air conditioner. Max current is measured according to IEC standard for safety. Current is measured according to ISO standard for energy efficiency.1-2 Samsung ElectronicsCH£ª£ª£ªCAV_USA_30520_SM_N.indd 2 2009-2-18 17:32:24
2. Product Specifications2-1 The Feature of Product Built-in Cassette TypeAfter installed, the air conditioner can be harmonized with a room interior. High Performance & Energy SavingWith the advanced BLDC inverter technology, it makes a room cool with highly energy saving and arises the efficiency of airconditioner. Long Piping(Length & Height)It can give the benefit to the installers and aries the reliability of the air conditioner. Long Ambient Operation(In Low Temperature)It can arise the reliability and the capacity of the air conditioner, especially operated in low temperature. Eco-friendly Product(Lead-Free, RoHS, WEEE)Samsung Electronics 2-1CH£ª£ª£ªCAV_USA_30520_SM_N.indd 1 2009-2-18 17:32:24
Page 2 and 3: Contents11. Precautions ...........
Page 6 and 7: 2-2 Product SpecificationsItemTypeS
Page 9 and 10: 2-3 The Comparative Specifications
Page 11 and 12: Accessories(cont.)Item Descriptions
Page 13 and 14: Accessories(cont.)Wired Remote Cont
Page 15 and 16: Transmitter AccessoriesItem Descrip
Page 20 and 21: No Parts Procedure Remark8) To unco
Page 22 and 23: No Parts Procedure Remark4) Disasse
Page 24 and 25: No Parts Procedure Remark4 Drain Pu
Page 26 and 27: No Parts Procedure Remark7 Panel Fr
Page 28 and 29: No Parts Procedure Remark3) Loosen
Page 30 and 31: No Parts Procedure Remark2 Fan&Moto
Page 32 and 33: No Parts Procedure Remark5 Compress
Page 34 and 35: No Parts Procedure Remark5) Loosen
Page 36 and 37: No Parts Procedure Remark3 Ass’y
Page 38 and 39: MEMO3-22 Samsung ElectronicsCH£ª
Page 40 and 41: 4-1-1 Wired Remocon Error Display(C
Page 42 and 43: 4-2 Outdoor LED Error Display and C
Page 44 and 45: Operation method Applicable button
Page 46 and 47: Step 10Method)Operation method Appl
Page 52 and 53: Operation method Applicable button
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4-4 Items to be checked first1. The
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4-5-2 The Outdoor unit Power Supply
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4-5-4 Total current trip errorMEMO1
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In case of heating at the cooling m
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4-5-7 Discharge temperature sensor
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4-5-9 Fan errorMEMO1. Checklist :1)
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4-5-11 O.C.(Over Current) errorMEMO
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4-5-13 Compressor start error1. Che
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4-5-15 DC Link Over voltage/ Low vo
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4-6 PCB Inspection Method4-6-1 Pre-
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4-7 Main Part Inspection MethodPart
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Parts List(CH070CAV1)No. CODE NO. D
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5-2 Panel P4SMA19132524262018272232
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5-3 Outdoor Unit UH105/140CAV121267
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UH070CAV15-8 Samsung ElectronicsCH
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5-4 Assy control out UH105/140CAV5-
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UH070CAV1234222315912-1208521125-12
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MEMO5-14 Samsung ElectronicsCH£ª
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6-1-2 OUTDOOR MAIN PCB(UH105/140CAV
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6-1-4 OUTDOOR EMI PCB(UH105/140CAV)
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6-1-5 OUTDOOR INVERTER PCB(UH105/14
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6-2. PCB Parts List INDOOR MAIN PCB
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INDOOR MAIN PCB(CH070CAV1/CH105CAV/
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OUTDOOR MAIN PCB(UH140/105CAV:DB93-
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OUTDOOR MAIN PCB(UH140/105CAV:DB93-
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INDOOR MAIN PCB(UH070CAV1:DB93-0583
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INDOOR MAIN PCB(UH070CAV1:DB93-0583
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OUTDOOR ASSY PCB SUB-EMI (UH105/140
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OUTDOOR ASSY PCB -INVERTER (UH105/1
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OUTDOOR ASSY PCB -INVERTER (UH105/1
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OUTDOOR ASSY PCB-INVERTER (UH070CAV
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OUTDOOR ASSY PCB-INVERTER (UH070CAV
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7. Wiring DiagramMODEL : UH070CAV1/
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8-2 Outdoor Unit MAIN PCB(UH105/140
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INVERTER PCB(UH105/140CAV)This Docu
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EMI PCB(UH070CAV1)This Document can
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9-2 Index of Model Name Project mod
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Service Manual - Quietside

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