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000-111 SM (1-17) 00.3.17 11:44 AM y[W A
TECHNICAL & SERVICE MANUAL
KHS0951 / CH0951
FILE NO.
KHS1251 / CH1251
KHS1852 / CH1852
Destination: U.S.A.
SPLIT SYSTEM AIR CONDITIONER
Indoor Model No. Product Code No. Outdoor Model No. Product Code No.
KHS0951 1 852 069 13 CH0951 1 852 069 16
KHS1251 1 852 069 14 CH1251 1 852 069 17
KHS1852-S 1 852 069 15 CH1852 1 852 069 18
Indoor Unit Outdoor Unit
KHS0951
KHS1251
CH0951
CH0952
KHS1852
CH1852
REFERENCE NO. SM700447
W
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000-111 SM (1-17) 00.3.17 11:44 AM y[W i IMPORTANT! Please Read Before Starting This air conditioning system meets strict safety and operating When Installing… standards. As the installer or service person, it is an important …In a Ceiling or Wall part of your job to install or service the system so it operates safely and efficiently. Make sure the ceiling/wall is strong enough to hold the unit’s weight. It may be necessary to construct a strong For safe installation and trouble-free operati
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000-111 SM (1-17) 00.3.17 11:44 AM y[W ii Table of Contents Page 1. OPERATING RANGE ................................................................................................................ 1 2. SPECIFICATIONS 2-1. Unit Specifications............................................................................................................ 2 2-2. Major Component Specifications...................................................................................... 5 2-3. Other Component
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000-111 SM (1-17) 00.3.17 11:44 AM y[Wiii 10. CHECKING ELECTRICAL COMPONENTS 10-1. Measurement of Insulation Resistance ............................................................................ 64 10-2. Checking Continuity of Fuse on PCB Ass'y...................................................................... 65 10-3. Checking Motor Capacitor................................................................................................ 65 11. ARRANGEMENT OF ELECTRICAL COMPONENT........
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 1 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. 67°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. 17°F D.B. / 15°F W.B. 1
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 2 2. SPECIFICATIONS 2-1. Unit Specifications (1) Indoor unit KHS0951 Outdoor unit CH0951 Cooling Heating Voltage Rating 115V 60Hz Performance Cooling Heating Capacity BTU/h 9,100 10,900 kW 2.67 3.19 3 3 Air circulation (High) ft /min (m /min) 270 (7.65) Moisture removal (High) Pints/h 2.0 — Electrical Rating Cooling Heating Available voltage range V 103 – 126 Running amperes A 8.5 8.4 Power input W 890 890 Power factor % 91 92 SEER (HSPF) BTU/W 11.0 (6.
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 3 (2) Indoor unit KHS1251 Outdoor unit CH1251 Cooling Heating Voltage Rating 115V 60Hz Performance Cooling Heating Capacity BTU/h 11,700 12,500 kW 3.43 3.66 3 3 Air circulation (High) ft /min (m /min) 330 (9.35) Moisture removal (High) Pints/h 3.4 — Electrical Rating Cooling Heating Available voltage range V 103 – 126 Running amperes A 10.5 10.3 Power input W 1,200 1,170 Power factor % 99 99 SEER (HSPF) BTU/W 10.2 (6.8) Compressor locked rotor amperes A 6
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 4 (3) Indoor unit KHS1852 Outdoor unit CH1852 Cooling Heating Voltage Rating 230 / 208V 60Hz Performance Cooling Heating Capacity BTU/h 17,000 / 16,500 19,000 / 18,500 kW 4.98 / 4.84 5.75 / 5.42 3 3 Air circulation (High) ft /min (m /min) 390 (11.1) Moisture removal (High) Pints/h 4.5 / 4.3 — Electrical Rating Cooling Heating Available voltage range V 187 – 253 Running amperes A 7.6 / 8.1 7.1 / 7.5 Power input W 1,700 / 1,660 1,610 / 1,540 Power factor %
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 5 2-2. Major Component Specifications 2-2-1. Indoor Unit (1) Indoor unit KHS0951 Control PCB Part No. POW-KHS095A, POW-KHS095B Controls Microprocessor Control circuit fuse AC 115V – 3A Remote Control Unit RCS-1HS2U Fan & Fan Motor Type Cross-flow Q’ty … Dia. and length inch (mm) 1 … ø 3-3/4 / L24-9/32 (ø 95 / L617) Fan motor model … Q’ty KFV4-21H1PA … 1P Nominal output W 20 Coil resistance (ambient temp. 68°F (20°C)) Ω BLU – BRN: 100.9 BLU – PNK: 127.5
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 6 (2) Indoor unit KHS1251 Control PCB Part No. POW-KHS125A / POW-KHS095B Controls Microprocessor Control circuit fuse AC 115V – 3A Remote Control Unit RCS-1HS2U Fan & Fan Motor Type Cross-flow Q’ty … Dia. and length inch (mm) 1 … ø 3-3/4 / L24-9/32 (ø 95 / L617) Fan motor model … Q’ty KFV4-21H1PA … 1P Nominal output W 20 Coil resistance (ambient temp. 68°F (20°C)) Ω BLU – BRN: 100.9 BLU – PNK: 127.5 Run capacitor µF 3.5 VAC 180 Flap Motor Type Stepping mo
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 7 (3) Indoor unit KHS1852 Control PCB Part No. POW-KHS1852 Controls Microprocessor Control circuit fuse AC 208 / 230V – 3A Remote Control Unit RCS-1HS2U Fan & Fan Motor Type Cross-flow Q’ty … Dia. and length inch (mm) 1 … ø 3-15/32 / L29-3/8 (ø88 / L746) Fan motor model … Q’ty UF4-31D6P-S … 1P Nominal output W 30 Coil resistance (ambient temp. 68°F (20°C)) Ω WHT – BRN: 204.2 WHT – PNK: 158.3 Run capacitor µF 2.0 VAC 440 Flap Motor Type Stepping motor Mode
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 8 2-2-2. Outdoor Unit (1) Outdoor unit CH0951 Control PCB Part No. POW-CH095 Controls — Control circuit fuse — Compressor Type Rotary (Hermetic) Compressor model C-1R75H2R Nominal output W 750 Compressor oil … Amount cc SUNISO 4GSD-T … 350 Coil resistance (ambient temp. 68°F (20°C)) Ω C – R: 0.841 C – S: 2.831 Safety devices Type External (OLR) Overload relay MRA99111-9200 Run capacitor µF 40 VAC 400 Crank case heater 115V, 20W Fan & Fan Motor Type Prope
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 9 (2) Outdoor unit CH1251 Control PCB Part No. POW-CH095 Controls — Control circuit fuse — Compressor Type Rotary (Hermetic) Compressor model C-R95H2E Nominal output W 950 Compressor oil … Amount cc SUNISO 4GSD-T … 570 Coil resistance (ambient temp. 68°F (20°C)) Ω C – R: 0.576 C – S: 3.070 Safety devices Type External (OLR) Overload relay MRA98693-9200 Run capacitor µF 40 VAC 400 Crank case heater 115V, 20W Fan & Fan Motor Type Propeller Q’ty … Dia. and l
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 10 (3) Outdoor unit CH1852 Control PCB Part No. POW-CH095 Controls — Control circuit fuse — Compressor Type Rotary (Hermetic) Compressor model C-R132H6D Nominal output W 1,300 Compressor oil … Amount cc SUNISO 4GSD-T … 500 Coil resistance (ambient temp. 68°F (20°C)) Ω C – R: 1.442 C – S: 2.430 Safety devices Type External (OLR) Overload relay MRA99117-9200 Run capacitor µF 35 VAC 400 Crank case heater 230V, 20W Fan & Fan Motor Type Propeller Q’ty … Dia. a
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 11 2-3. Other Component Specifications 2-3-1. Indoor Unit (1) Indoor unit KHS0951 Transformer ATR-T4 Rating Primary AC 115V, 60Hz Secondary 19V, 0.5A Thermistor (Coil sensor) DTN-TKS131B Resistance kΩ 32°F (0°C) 15 ± 2% Thermistor (Room sensor in lamp Ass’y) DTN-TKS134B Resistance kΩ 77°F (25°C) 5 ± 3% DATA SUBJECT TO CHANGE WITHOUT NOTICE. (2) Indoor unit KHS1251 Transformer ATR-T4 Rating Primary AC 115V, 60Hz Secondary 19V, 0.5A Thermistor (Coil sen
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 12 2-3-2. Outdoor Unit (1) Outdoor Unit CH0951 PTC Thermistor PS2A E20-470 Resistance Ω at 77°F (25°C) 47 ± 25% Power Relay (PR) DFU24D1-F Coil rating DC 24V Coil resistance Ω at 68°F (20°C) 650 ± 10% Contact rating AC 250V, 20A Thermostat (Defrost thermo. 23D) TRS02-12MSR Operating temp. °F (°C) ON 54 ± 4°F (12 ± 2°C) Diff. 14 deg (8 deg). below Thermostat (Low temp. cutoff 23A) TRS02-M13MSR436 Operating temp. °F (°C) OFF (OPEN) : 5°F (–15°C) ON (CLOSE)
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 13 (3) Outdoor Unit CH1852 Power Relay (PR) DFU24D1-F Coil rating DC 24V Coil resistance Ω at 68°F (20°C) 650 ± 10% Contact rating AC 250V, 20A Thermostat (Defrost thermo. 23D) TRS02-12MSR Operating temp. °F (°C) ON 54 ± 4°F (12 ± 2°C) Diff. 14 deg (8 deg). below Thermostat (Low temp. cutoff 23A) TRS02-M13MSR436 Operating temp. °F (°C) OFF (OPEN) : 5°F (–15°C) ON (CLOSE) : 17°F (–8.3°C) 4-way Valve (Solenoid coil) LB69005 (Coil), V26-9201 (Valve) Coil rat
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 14 3. DIMENSIONAL DATA 3-1. Unit 3-1-1. Indoor Unit (1) Indoor unit KHS0951 / KHS1251 31-11/16 (805) 6-31/32 (177) Drain hose ø23/32 (18) Remote control unit 2-2/5 25/32 (18.5) (61) 2-5/16 3-29/32 (99.5) (58.5) * Narrow tube ø1/4 (6.35) KHS0951 ø3/8 (9.52) Center of tubing KHS1251 ø1/2 (12.7) hole (2 places) Wide tube* Unit: inch (mm) 14 1-5/8 (41.0) 1-5/8 (41.0) 10-5/8 (270) 6-7/32 (172.5)
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 15 (2) Indoor unit KHS1852 39-3/16 (995) 7-23/32 (196) 1/8 (3) Remote control unit 2-2/5 25/32 (18.5) (61) (147.5) (147.5) 5-13/16 5-13/16 Center of tubing hole (2 places) Drain hose ø18 Narrow tube ø6.35 (1/4") Wide tube ø15.88 (5/8") Unit : inch (mm) 15 1-25/32 (45) 1-25/32 (45) 11-7/32 (285) 6-7/32 (172.5)
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000-111 SM (1-17) 00.3.17 11:44 AM y[W 16 3-1-2. Outdoor Unit (1) Outdoor unit CH0951 / CH1251 Air intake 2-ø15/32" 23-15/16" 3-25/32" 15/32" Air discharge 31-2/1" 11-13/32" Narrow tube service valve ø6.35 (1/4") Wide tube service valve* * CH0951 ø3/8 (9.52) CH1251 ø1/2 (12.7) Unit: inch (mm) 16 3-7/16" 2-5/32" 5/8" 11-13/32" 21-1/4" 12-7/16"
