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HIGH
EFFICIENCY
SERVICE MANUAL (Basic Information)
KHS1822 / CH1822
SPLIT SYSTEM AIR CONDITIONER
Indoor Unit Outdoor Unit
KHS1822
CH1822
8526481021800 REFERENCE NO. WM–700796
W
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SERVICE MANUAL KHS1822 / CH1822 (Basic Information) WM–700796 ii
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When Transporting IMPORTANT! Please Read Before Starting Be careful when picking up and moving the indoor and out- door units. Get a partner to help, and bend your knees when This air conditioning system meets strict safety and operating lifting to reduce strain on your back. Sharp edges or thin standards. As the installer or service person, it is an important aluminum fins on the air conditioner can cut your fingers. part of your job to install or service the system so it operates safely and
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Table of Contents Page 1. OPERATING RANGE............................................................................................................................... 1 2. SPECIFICATIONS .................................................................................................................................... 2 Unit Specifications ....................................................................................................................................... 2 3. DIMENSIONAL DAT
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1. OPERATING RANGE KHS1822 / CH1822 Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. Maximum 95°F DB / 71°F WB 115°F DB Cooling Minimum 67°F DB / 57°F WB 67°F DB Maximum 80°F DB / 67°F WB 75°F DB / 65°F WB Heating Minimum — DB / — WB 17°F DB / 15°F WB WM–700796 1
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2. SPECIFICATIONS Unit Specifications Indoor unit KHS1822 Model No. Outdoor unit CH1822 Cooling Heating BTU/h 16,500 / 16,000 18,000 / 17,600 Capacity kW 4.84 / 4.69 5.27 / 5.16 Air circulation (High) cu. ft/min. 440 / 420 Moisture removal (High) Pints/h 5.3 / 5.2 Phase, Frequency Hz Single, 60 Voltage rating V 230 / 208 230 / 208 Available voltage range V 187 to 253 187 to 253 Running amperes A 8.0 / 8.6 8.0 / 8.6 Power input W 1,810 / 1,760 1,810 / 1,760 Power factor % 98 / 98 98 / 98 Starti
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3. DIMENSIONAL DATA Indoor Unit: KHS1822 14-3/16 38-31/32 7-25/32 Rear panel (Center point of gravity) Wireless remote control unit 1-61/64 2-13/64 19/32 Drain hose O.D. 1-1/4 5-19/32 Center of Narrow tube O.D. 1/4 tubing hole (For right rear) Wide tube O.D. 5/8 Outdoor Unit: CH1822 21-3/16 5-3/4 Air intake Air intake 4 × 15/32 dia. hole Check port Air discharge 1/4 narrow tubing service valve 32-11/16 2-1/4 1-3/16 5/8 wide tubing service valve 11-7/32 2-3/8 3-3/4 3/4 WM–700796 3 24-13/16 12-
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4. COOLING CAPACITY 230V KHS1822 / CH1822 Rating Capacity: 16,500 BTU/H Air Flow Rate: 440 CFM Evaporator Condenser Ent. Temp. °F/(°C) Ambient Temp. °F/(°C) 75 85 95 105 115 WB DB (23.9) (29.4) (35.0) (40.6) (46.1) TC 16,340 15,590 14,850 14,010 12,870 kW 1.31 1.43 1.56 1.69 1.86 59 72 (22.2) SHC 11,540 11,140 10,750 10,320 9,760 (15.0) 76 (24.4) SHC 12,910 12,510 12,130 11,700 11,130 80 (26.7) SHC 14,340 13,950 13,560 13,130 12,560 84 (28.9) SHC 15,720 15,320 14,850 14,010 12,870 88 (31.1) SHC
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208V KHS1822 / CH1822 Rating Capacity: 16,000 BTU/H Air Flow Rate: 420 CFM Evaporator Condenser Ent. Temp. °F/(°C) Ambient Temp. °F/(°C) 75 85 95 105 115 WB DB (23.9) (29.4) (35.0) (40.6) (46.1) TC 15,840 15,120 14,400 13,580 12,480 kW 1.28 1.40 1.52 1.65 1.81 59 72 (22.2) SHC 11,180 10,800 10,420 10,000 9,450 (15.0) 76 (24.4) SHC 12,500 12,120 11,740 11,320 10,770 80 (26.7) SHC 13,880 13,500 13,120 12,700 12,150 84 (28.9) SHC 15,200 14,820 14,400 13,580 12,480 88 (31.1) SHC 15,840 15,120 14,400
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5. HEATING CAPACITY 1 Phase 60Hz 230V Indoor Entering Air Temperature 70°F 30,000 25,000 24,120 20,000 18,000 15,000 10,000 5,000 17 23 32 41 47 50 59 68 75°F (–8.3) (–5) (0) (5) (8.3) (15) (20) (23.7°C) Temperature of Air Entering Outdoor Coil (°F DB at 75% RH) WM–700796 6 Heat-pump with back-up heater Heat-pump capacity Heating Capacity (BTU/h)
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1 Phase 60Hz 208V Indoor Entering Air Temperature 70°F 30,000 25,000 22,640 20,000 17,600 15,000 10,000 5,000 17 23 32 41 47 50 59 68 75°F (–8.3) (–5) (0) (5) (8.3) (15) (20) (23.7°C) Temperature of Air Entering Outdoor Coil (°F DB at 75% RH) WM–700796 7 Heat-pump capacity Heat-pump with back-up heater Heating Capacity (BTU/h)
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6. REFRIGERANT FLOW DIAGRAM Cooling Cycle Wide tube service Accumulator Wide tube valve Disharge pressure O.D. regulator P 5/8" (ø15.88 mm) Muffler 4-way Muffler valve Capillary Narrow tube service valve Narrow tube Check Capillary O.D. port 1/4" ( ) (ø6.35 mm) Strainer Check Drier valve Indoor unit Outdoor unit Heating Cycle Wide tube service Accumulator Wide tube valve Disharge pressure O.D. regulator P 5/8" (ø15.88 mm) 4-way Muffler valve Muffler Capillary Narrow tube service valve Na
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7. ELECTRICAL DATA Electrical Characteristics KHS1822 / CH1822 Indoor Unit Outdoor Unit Complete Unit Performance at 230/208V – 1ø – 60Hz Fan Motor Max. Heat Fan Motor Compressor Heat-pump Max. Heat A 0.40 / 0.40 — 0.47 / 0.47 7.13 / 7.73 8.0 / 8.6 — Rating Cooling Conditions W 90 / 81 — 105 / 95 1,595 / 1,564 1,790 / 1,740 — A 0.40 / 0.40 7.8 / 7.1 0.47 / 0.47 7.13 / 7.73 8.0 / 8.6 15.8 / 15.7 Rating Heating Conditions W 90 / 81 1,800 / 1,470 105 / 95 1.595 / 1.574 1,790 / 1,750 3,590 / 3,22
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Electric Wiring Diagram WARNING: To avoid electrical shock hazard, be sure to Indoor Unit: KHS1822 disconnect power before checking, servicing and/or cleaning any electrical parts. Terminal plate Thermistor Transformer 1 BLK 2 WHT SP 3 ORG 4 YEL Noise filter 3 1 3 2 1 1 2 1 2 3 1 3 2 1 1 2 1 2 G 1 1 SG-OUT 3P 2P 2P TH1 TH2 1 1 SUP 2 2 BLU 2P HR 2 2 1 1 4 3 5 RY CONTROLLER 2 2 2 1 6 2P 2 2 Switch Heater H. THERMO 2 2 1 1 assy relay FM HM L LL 1 1 19 2 1 19 2 1 19 1 2 1 2 YEL Connector 1 2 YE
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Outdoor Unit: CH1822 WARNING: To avoid electrical shock hazard, be sure to disconnect power before checking, servicing and/or cleaning any electrical parts. Solenoid Connector Power transformer coil BLK 1 1 PNK WHT SC P S BLK BLK 2 2 WHT Noise filter BRN BRN 12 12 Terminal plate WHT 1 2 1 2 Thermistor (coil) 2P 2P SC1 SC2 1 1 BLK 1 BLK 1 1 2P TH1 PRY SEC 2 2 BLK 2 2 SUP 2 WHT Thermistor (air temp) 3 ORG 1 1 SG-IN 1 1 BLK 4 YEL 3 3 TH2 2 2 BLK 5 BLK CONTROLLER Thermistor (discharge) 6 WHT 1 1
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For parts or service contact SFS Corporation: 1200 West Artesia Blvd., Compton, California 90220 CORPORATION In Canada SANYO Canada Inc.: Toronto, Ont. M4H 1M6 H408/12M Printed in U.S.A. 1991/Nov./12M Printed in U.S.A. WM–700796
