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Sanyo KMH0922 Service Manual

Basic information split system air conditioner
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SERVICE MANUAL
(Basic Information)
CMH1822 / KMH0922 (✕2)
SPLIT SYSTEM AIR CONDITIONER
Indoor Unit
Outdoor Unit
CMH1822
KMH0922
8526481017400
REFERENCE NO. WM – 700700
W

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  Summary of Contents for Sanyo KMH0922

  • Page 1 SERVICE MANUAL (Basic Information) CMH1822 / KMH0922 (✕2) SPLIT SYSTEM AIR CONDITIONER Indoor Unit Outdoor Unit CMH1822 KMH0922 8526481017400 REFERENCE NO. WM – 700700...
  • Page 3: Service Manual

    SERVICE MANUAL CMH1822 / KMH0922 (×2) (Basic Information) WM – 700700...
  • Page 4: Special Precautions

    • Connect all wiring tightly. Loose wiring may cause over- IMPORTANT! heating at connection points and a possible fire hazard. Please Read Before Starting When Transporting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important Be careful when picking up and moving the indoor and out- part of your job to install or service the system so it operates door units.
  • Page 5: Table Of Contents

    Table of Contents Page 1. OPERATING RANGE..........................2. SPECIFICATIONS ............................ Unit Specifications ............................Applicable Indoor Unit..........................3. DIMENSIONAL DATA ..........................4. COOLING CAPACITY ..........................5. HEATING CAPACITY..........................6. REFRIGERANT FLOW DIAGRAM ...................... 7. ELECTRICAL DATA..........................G Electrical Characteristics ........................G Electrical Wiring Diagram........................WM –...
  • Page 6: Operating Range

    1. OPERATING RANGE CMH1822 / KMH0922 (×2) Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. Maximum 95°F DB / 71°F WB 115°F DB Minimum 67°F DB / 57°F WB 67°F DB WM – 700700...
  • Page 7: Specifications

    2. SPECIFICATIONS Unit Specifications Outdoor unit CMH1822 Model No. Applicable indoor unit KMH0922 No. of indoor units 1 unit (Cooling) 1 unit (Heating) 2 units (Cooling) 2 units (Heating) BTU/h 8,800 / 8,700 10,000 / 9,800 16,800 / 16,300 19,000 / 18,000 Capacity 2.58 / 2.55...
  • Page 8: Applicable Indoor Unit

    Applicable Indoor Unit Model No. KMH0922 Type Wall-mounted Cooling Heating BTU/h 8,800 / 8,700 10,000 / 9,800 Capacity 2.58 / 2.55 2.93 / 2.87 Air circulation (High) cu. ft./min. 220 / 210 Moisture removal (High) pints/h Phase, Frequency Single, 60...
  • Page 9: Dimensional Data

    32-11/16 2-1/4 1-3/16 O.D. 1/4" narrow tubing service valve Unit B O.D. 3/8" wide tubing service valve 11-7/32 2-9/32 2-9/32 2-9/32 3-3/4 Indoor Unit: KMH0922 Rear panel (center point of gravity) 7-11/64 17-23/32 6-23/32 31-1/2 7-3/32 Center of 1-3/8 tubing hole 5-1/2 Drain hose O.D.
  • Page 10: Cooling Capacity

    4. COOLING CAPACITY 230V CMH1822 / KMH0922 (×1) Rating Capacity: 8,800 BTU/H Air Flow Rate: 220 CFM Evaporator Condenser Ent. Temp. °F/(°C) Ambient Temp. °F/(°C) (23.9) (29.4) (35.0) (40.6) (46.1) 8,710 8,320 7,920 7,470 6,860 0.62 0.67 0.73 0.79 0.87 72 (22.2)
  • Page 11 208V CMH1822 / KMH0922 (×1) Rating Capacity: 8,700 BTU/H Air Flow Rate: 210 CFM Evaporator Condenser Ent. Temp. °F/(°C) Ambient Temp. °F/(°C) (23.9) (29.4) (35.0) (40.6) (46.1) 8,610 8,220 7,830 7,390 6,790 0.61 0.66 0.72 0.78 0.86 72 (22.2) 6,090...
  • Page 12: Heating Capacity

    5. HEATING CAPACITY 1 Phase 60Hz 230V Model Name: CMH1822 / KMH0922 (×1) Indoor Entering Air Temperature 70°F 30,000 25,000 20,000 15,000 13,100 10,000 5,000 75°F (–8.3) (–5) (8.3) (15) (20) (23.7°C) Temperature of Air Entering Outdoor Coil (°F D.B. at 75% RH)
  • Page 13 1 Phase 60Hz 208V Model Name: CMH1822 / KMH0922 (×1) Indoor Entering Air Temperature 70°F 30,000 25,000 20,000 15,000 12,300 10,000 9,800 5,000 75°F (–8.3) (–5) (8.3) (15) (20) (23.7°C) Temperature of Air Entering Outdoor Coil (°F D.B. at 75% RH)
  • Page 14: Refrigerant Flow Diagram

    6. REFRIGERANT FLOW DIAGRAM Cooling Cycle Indoor Unit A Accumulator Compressor A Wide tube O.D. Service 3/8" valve (9.52mm) Reversing Muffler valve Narrow tube Check O. D. port A 1/4" Check valve Service valve Dehydrator (6.35mm) Strainer Capillary tube Compressor B Wide tube Accumulator O.D.
  • Page 15: Electrical Data

    7. ELECTRICAL DATA G Electrical Characteristics CMH1822 / KMH0922 (×1) Indoor Unit Outdoor Unit Complete Unit Performance at 230/208V – 1ø – 60Hz Fan Motor Max. Heat Fan Motor Compressor Heat-pump Max. Heat 0.15 / 0.14 — 0.52 / 0.52 3.43 / 3.64...
  • Page 16: G Electrical Wiring Diagram

    G Electrical Wiring Diagram WARNING: To avoid electrical shock hazard, be sure to Outdoor Unit: CMH1822 disconnect power before checking, servicing and/or cleaning any electrical parts. OLR. A Terminal Power relay A PTC. A plate Capacitor A OLR. B Power relay B Terminal plate Capacitor B...
  • Page 17 Indoor Unit: KMH0922 WARNING: To avoid electrical shock hazard, be sure to disconnect power before checking, servicing and/or cleaning any electrical parts. Terminal plate Transformer Supply Unit CONTROLLER Heater REMOCON REMOCON 5P FM relay Capacitor Heater assy Connector Remote control...
  • Page 18 For parts or service contact SFS Corporation: 1200 West Artesia Blvd., Compton, California 90220 CORPORATION In Canada SANYO Canada Inc.: Toronto, Ont. M4H 1M6 H407/12M Printed in U.S.A. 1991/Nov./12M Printed in U.S.A. WM – 700700...

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Cmh1822