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TECHNICAL & SERVICE MANUAL
KHS3082 + CH3082
FILE NO.
KHS3682 + CH3682
Destination: North America
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Model No. Product Code No. Outdoor Model No. Product Code No.
KHS3082 1 852 354 28 CH3082 1 852 354 32
KHS3682 1 852 354 29 CH3682 1 852 354 33
Indoor Unit Outdoor Unit
KHS3082 CH3082
KHS3682 CH3682
IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
REFERENCE NO. SM700858
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SAFETY PRECAUTIONS • Before doing repair work, please read the " SAFETY PRECAUTIONS" carefully and fully understand them. • The precautionary items here are divided into " Warning" and " Caution" items. Items in particular which may cause death or serious injury to the service personnel if the work is not performed correctly, are included in the " Warning" table. However, even precautionary items identified as " Caution" also have the potential for serious consequence
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Warning If refrigerant gas blows off during the work, do not touch the refrigerant gas as it may cause frostbite. Prohibit If refrigerant gas leaks during the work, ventilate the room. If refrigerant gas catches fire, harmful gas may be generated. Do not mix any gas other than the specified refrigerant gas in the refrigerating cycle. If air or other contaminants mix with the gas, pressure will become extremely high in the refrigerating cycle, which may cause a unit breakdown." Prohibit When th
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Table of Contents Page SAFETY PRECAUTIONS .............................................................................................................. 2 TABLE OF CONTENTS ..................................................................................................................... 4 1. OPERATING RANGE ................................................................................................................... 6 2. SPECIFICATIONS 2-1. Unit Specifications ..................
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Page 9. CHECKING ELECTRICAL COMPONENTS 9-1. Measurement of Insulation Resistance ............................................................................... 51 9-2. Checking Continuity of Fuse on PCB Ass'y ......................................................................... 52 10. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT 10-1. Characteristics of New Refrigerant R410A ......................................................................... 53 10-2. Checklist bef
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1. OPERATING RANGE Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. Maximum 95 °F D.B. / 71 °F W.B. 115 °F D.B. Cooling Minimum 67 °F D.B. / 57 °F W.B. 0 °F D.B. Maximum 80 °F D.B. / 67 °F W.B. 75 °F D.B. / 65 °F W.B. Heating _ _ _ Minimum D.B. / W.B. D.B. / 0 °F W.B. 6
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2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit KHS3082 Outdoor Unit CH3082 < 230V > Voltage Rating 230V Single-Phase 60Hz Cooling Heating Total Capacity BTU/h 30,600 ( 10,900 to 30,600 ) 33,000 ( 14,000 to 33,000 ) kW 9.0 ( 3.2 to 9.0 ) 9.7 ( 4.1 to 9.7 ) Sensible Capacity 18,600 - BTU/h Latent Capacity BTU/h 12,000 - 3 3 Air Circulation (High) ft /min (m /h) 630 (1,070) 671 (1,140) Moisture Removal (High) Pints/h 9.57 - Available Voltage Range V 187 to 253 Running Amperes A 16.5 ( 5.
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Indoor Unit KHS3082 Outdoor Unit CH3082 < 208V > Voltage Rating 208V Single-Phase 60Hz Cooling Heating Total Capacity BTU/h 30,600 ( 10,900 to 30,600 ) 33,000 ( 14,000 to 33,000 ) kW 9.0 ( 3.2 to 9.0 ) 9.7 ( 4.1 to 9.7 ) Sensible Capacity 18,600 - BTU/h Latent Capacity BTU/h 12,000 - 3 3 Air Circulation (High) ft /min (m /h) 630 (1,070) 671 (1,140) Moisture Removal (High) Pints/h 9.57 - Available Voltage Range V 187 to 253 Running Amperes A 18.0 ( 5.0 to 18.0 ) 16.8 ( 4.5 to 16.8 ) Power Input
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Indoor Unit KHS3682 Outdoor Unit CH3682 < 230V > Voltage Rating 230V Single-Phase 60Hz Cooling Heating Total Capacity BTU/h 34,000 ( 10,900 to 34,000 ) 36,000 ( 14,000 to 36,000 ) kW 10.0 ( 3.2 to 10.0 ) 10.5 ( 4.1 to 10.5 ) Sensible Capacity 20,700 - BTU/h Latent Capacity BTU/h 13,300 - 3 3 Air Circulation (High) ft /min (m /h) 630 (1,070) 671 (1,140) Moisture Removal (High) Pints/h 10.64 - Available Voltage Range V 187 to 253 Running Amperes A 20.0 ( 5.0 to 20.0 ) 18.2 ( 4.5 to 18.2 ) Power I
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Indoor Unit KHS3682 Outdoor Unit CH3682 < 208V > Voltage Rating 208V Single-Phase 60Hz Cooling Heating Total Capacity BTU/h 34,000 ( 10,900 to 34,000 ) 36,000 ( 14,000 to 36,000 ) kW 10.0 ( 3.2 to 10.0 ) 10.5 ( 4.1 to 10.5 ) Sensible Capacity 20,700 - BTU/h Latent Capacity BTU/h 13,300 - 3 3 Air Circulation (High) ft /min (m /h) 630 (1,070) 671 (1,140) Moisture Removal (High) Pints/h 10.64 - Available Voltage Range V 187 to 253 Running Amperes A 21.9 ( 5.0 to 21.9 ) 19.9 ( 4.5 to 19.9 ) Power
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2-2. Major Component Specifications 2-2-1. Indoor Unit Indoor Unit KHS3082 Control PCB Part No. CB-KHS3082 Controls Microprocessor Control Circuit Fuse 250V 3A Remote Control Unit RCS-8HVPULS4U Fan Type Cross-Flow Q'ty ... Dia. and Length inch (mm) 1 ... D3-15/16 / L32-1 (D100/L838) Fan Motor Type DC Motor Model ... Q'ty SIC-39CVL-D847-10 ... 1 No. of Poles 8 Rough Measure RPM (Cool / Heat) 1,370 / 1,450 Nominal Output W 47 Coil Resistance Ohm - (Ambient Temp. 68 °F (20 °C)) Safety Device Ty
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Indoor Unit KHS3682 Control PCB Part No. CB-KHS3682 Controls Microprocessor Control Circuit Fuse 250V 3A Remote Control Unit RCS-8HVPULS4U Fan Type Cross-Flow Q'ty ... Dia. and Length inch (mm) 1 ... D3-15/16 / L32-1 (D100/L838) Fan Motor Type DC Motor Model ... Q'ty SIC-39CVL-D847-10 ... 1 No. of Poles 8 Rough Measure RPM (Cool / Heat) 1,370 / 1,450 Nominal Output W 47 Coil Resistance Ohm - (Ambient Temp. 68 °F (20 °C)) Safety Device Type Internal Controller Over-Current Protection Yes Over-H
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2-2-2. Outdoor Unit Outdoor Unit CH3082 P.C.Board Control P.C.B Noise Filer P.C.B H.I.C.Board Part No. CR-CH3082-F POW-CH3082-B1 HIC-CH3072R-C1 Controls Microprocessor - - Circuit Fuse 400V 3.5A 250V 25A - Compressor Type DC Twin Rotary (Hermetic) Compressor Model / Nominal Output C-9RVN273H0H / 2,250W Compressor Oil ... Amount Pints (cc) FV68S ... 2.98 (1,400) Coil Resistance (Ambient Temp. 77 °F (25 °C)) Ohm T - R : 0.169 T - S : 0.169 R - S : 0.169 Safety Device CT (Peak current cut-of
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Outdoor Unit CH3682 P.C.Board Control P.C.B Noise Filer P.C.B H.I.C.Board Part No. CR-CH3682-F POW-CH3082-B1 HIC-CH3072R-C1 Controls Microprocessor - - Circuit Fuse 400V 3.5A 250V 25A - Compressor Type DC Twin Rotary (Hermetic) Compressor Model / Nominal Output C-9RVN273H0H / 2,500W Compressor Oil ... Amount Pints (cc) FV68S ... 2.98 (1,400) Coil Resistance (Ambient Temp. 77 °F (25 °C)) Ohm T - R : 0.169 T - S : 0.169 R - S : 0.169 Safety Device CT (Peak current cut-off control) Yes Compre
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2-3. Other Component Specifications Indoor Unit KHS3082 KHS3682 Outdoor Unit CH3082 CH3682 • Indoor heat exchanger sensor (Model:PTM-D51H-S6-1) • Indoor air temp sensor • Compressor temp sensor (Model:KTEC-35-S121-1) (Model:TKS335B) 10 200 9 180 8 160 7 140 6 120 5 100 4 80 3 60 2 40 1 20 0 0 50 59 68 77 86 95 104 32 50 68 86 104 122 140 158 176 194 (10) (15) (20) (25) (30) (35) (40) (0) (10) (20) (30) (40) (50) (60) (70) (80) (90) Temperature °F (°C) Temperature °F (°C) • Outdoor
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3. DIMENSIONAL DATA Indoor Unit KHS3082 KHS3682 Unit: inch(mm) (852-0-0010-19600-0) 16 dia. 3-5/32 41-15/16 (1065) 2-3/32 25/32 1-27/32 1-3/32 2-3/8 7-25/32 5-27/32 9-1/16 (230) (3/32) Wide tube dia. 5/8" (15.88) Drain hose dia. 23/32" (18) Narrow tube dia. 3/8" (9.52) 15-1/8 17-23/32 9-3/32 5-1/2 3-3/4 3-3/4 7-7/8 7/16 3-3/8 2-5/8 2-5/8 6-7/32 5-3/16 16-11/32 16-11/32 17-5/16 17-21/32 19-9/16 22-3/8 dia. 3-5/32 2-3/8 5/16 2-3/4 11-13/16 (300) 11-13/16 4-9/16 1-7/8 23/32 7-23/32 2-11/16 2-3
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Outdoor Unit CH3082 CH3682 17 AIR INTAKE 6-11/6 25-31/32 4-11/32 2-ID:1-1/4 holes (holes for drain) 2-15/16 4-1/8 8-5/8 2-15/16 2-3/8 Of the 4-ID:1-1/4 holes, use 1 of 2 holes specified for drain use to install the port. 1/2 Use rubber plugs to seal the remaining 3 holes. AIR INTAKE 1/2 AIR DISCHARGE 37-1/32 (940) Refrigerant tubing joint (Liquid tube) Flare connection dia.3/8" (9.52) Refrigerant tubing joint (Gas tube) Flare connection dia.5/8" (15.88) AIR DISCHARGE AIR INTAKE 3/4 Tubing o
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4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram Indoor Unit KHS3082 Outdoor Unit CH3082 KHS3682 CH3682 Indoor unit Outdoor unit Sub Main Accumulator Accumulator Wide tube service Wide tube valve High pressure switch Muffler O.D H.P. 5/8" (15.88 mm) 4-way valve Electric Narrow expansion tube valve service Narrow tube M valve Cooling cycle (Defrosting cycle) Strainer O.D. 3/8" Heating cycle (9.52 mm) 18 Heat exchanger Heat exchanger Compressor
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5. PERFORMANCE DATA 5-1. Temperature Charts Indoor Unit KHS3082 Outdoor Unit CH3082 Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 230V) (1) Low pressure performance chart Lo fan Hi Fan 174 (1.2) 159 (1.1) 145 (1.0) 131 (0.9) 117 (0.8) 104 (0.7) -4 5 14 23 32 41 50 59 68 77 86 95 104 (-20) (-15) (-10) (-5) (0) (5) (10) (15) (20) (25) (30) (35) (40) Outdoor inlet air D.B. temp.°F(°C) (2) Operating current performance chart 28 Lo fan Hi Fan 26 24 22 20 18 16 14 12 10 -4
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Indoor Unit KHS3082 Outdoor Unit CH3082 Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 230V) (1) High pressure performance chart 494 (3.4) 421 (2.9) 348 (2.4) 275 (1.9) 23 32 41 50 59 68 77 (–5) (0) (5) (10) (15) (20) (25) Outdoor inlet air D.B. temp. °F(°C) (2) Operating current performance chart 19 18 17 16 15 14 13 23 32 41 50 59 68 77 (–5) (0) (5) (10) (15) (20) (25) Outdoor inlet air D.B. temp. °F(°C) (3) Indoor discharge air performance chart 131(55) 122(50) 1
