Sanyo C1852 Service Manual
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Sanyo C1852 Service Manual

Split system air conditioner
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TECHNICAL DATA

&

SERVICE MANUAL

XS1852 / C1852, CL1852
SPLIT SYSTEM AIR CONDITIONER
INDOOR MODEL No.
XS1852
Indoor Unit
85464849179000
PRODUCT CODE No.
OUTDOOR MODEL No.
854 016 13
XS1852
FILE NO.
PRODUCT CODE No.
C1852
852 068 35
CL1852
852 068 36
Outdoor Unit
C1852
CL1852
REFERENCE NO.
SM
830079

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  • Page 1: Technical Data

    TECHNICAL DATA & FILE NO. SERVICE MANUAL XS1852 / C1852, CL1852 SPLIT SYSTEM AIR CONDITIONER INDOOR MODEL No. PRODUCT CODE No. OUTDOOR MODEL No. PRODUCT CODE No. C1852 852 068 35 XS1852 854 016 13 CL1852 852 068 36 Indoor Unit...

  • Page 2: Please Read Before Starting

    Important Please Read Before Starting When Installing …………………………………………………………………… …In a Room This air conditioning system meets strict safety and operating Properly insulate any tubing run inside a room to prevent standards. As the installer or service person, it is an important “sweating”...

  • Page 3: Table Of Contents

    Table of Contents OPERATING RANGE ..................5 SPECIFICATIONS .................... 6 (1) Unit Specifications ..................6 (2) Major Component Specifications ..............8 (A) Indoor Unit .................... 8 (B) Outdoor Unit ..................9 (3) Other Component Specifications .............. 10 (A) Indoor Unit ..................10 (B) Outdoor Unit ..................
  • Page 4 Introduction: Read Me First! This manual will help you understand and service the air conditioner. To help you find the information you need, we have divided it into 5 main sections. Each section is divided into chapters with charts, tables and explana- tions to help you find and repair problems.

  • Page 5: Operating Range

    1. OPERATING RANGE XS1852 / C1852 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 XS1852 / CL1852 Temperature Indoor Air Intake Temp.

  • Page 6: Specifications

    2. SPECIFICATIONS (1) Unit Specifications MODEL No. Indoor Unit XS1852 Outdoor Unit C1852 , CL1852 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Capacity BTU / h 18,000 17,500 5.27 5.13 Air circulation (Hi) cu.ft.
  • Page 7 2. SPECIFICATIONS (1) Unit Specifications DIMENSIONS & WEIGHT Indoor unit Outdoor unit Unit dimensions Height in. (mm) 9-27/32 (250) 24-19/32 (625) Width in. (mm) 29-29/32 (760) 32-21/32 (880) Depth in. (mm) 29-29/32 (760) 12-19/32 (320) Net weight lbs. (kg) (22) (47) Indoor grille dimensions Height...

  • Page 8: Major Component Specifications

    2. SPECIFICATIONS (2) Major Component Specifications (A) Indoor Unit MODEL No. XS1852 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Accessory) RCS - 5PS4U Controller P. C. B Ass'y CR - TS2432 Control circuit fuse 250 V, 3 A Switch Ass'y SW - X363GS...

  • Page 9: (B) Outdoor Unit

    2. SPECIFICATIONS (2) Major Component Specifications (B) Outdoor Unit MODEL No. C1852 CL1852 Source 230 - 208 V / 1 phase / 60 Hz Controller P.C.B. Ass'y — POW - CL125 Control circuit fuse 250 VAC, 5 A Compressor Rotary (Hermetic)

  • Page 10: Other Component Specifications

    2. SPECIFICATIONS Other Component Specifications (A) Indoor Unit MODEL No. XS1852 Power Transformer ATR – I104A Rated Primary AC 220 V, 60 Hz Secondary 10.6 V, 0.93 A Capacity 9.85 VAC Coil resistance WHT - WHT BRN - BRN 0.42 (Ambient temprature 77 F) Thermistor cut off temperature Thermistor (Coil sensor)

  • Page 11: (B) Outdoor Unit

    2. SPECIFICATIONS Other Component Specifications (B) Outdoor Unit MODEL No. CL1852 Compressor Motor Magnetic Contactor – Coil rated – Coil resistance (at 77 F) – Contact rated (Main) – Contact rated (Auxiliary) – Power Transformer ATR - T5 Rated Primary 220 VAC, 60 Hz Secondary 19 V, 15 A...

  • Page 12: Dimensional Data

    3. DIMENSIONAL DATA Indoor Unit: XS1852 8-21/32 8-1/16 4-29/32 • Remote controller (Accessory) 2-13/32 23/32 4-29/32 5-29/32 7-7/8 10-1/32 32-9/32 (Ceiling opening) 11-23/32 1-3/16 33-27/32 19-11/16 8-1/16 23-7/32 (Suspention bolt pitch) 6-1/2 1-7/8 4-29/32 Min. 2-3/8 3-1/32 Dimension : inch Air intake Air outlet Narrow tube (1/4")

  • Page 13: Outdoor Unit

    3. DIMENSIONAL DATA Outdoor Unit: C1852, CL1852 Air intake 4-ø15/32" 23-15/16" 5-11/32" 15/32" Air discharge 34-21/32" 12-19/32" Narrow tube service valve ø1/4 (6.35) Wide tube service valve ø5/8 (15.88) Unit: inch (mm) 1880_C_I SM830079 – 13 –...

  • Page 14: Performance Charts

    4. PERFORMANCE CHARTS (1) Operating Current 1 1 1 1 1 Indoor Unit: XS1852 Outdoor Unit: C1852, CL1852 Operating current characteristics versus outdoor ambient temperature and indoor temperature. (Indoor relative humidity: 50%, Indoor fan speed: High) 230V Indoor inlet air D.B.

  • Page 15: Air Throw Distance Chart

    5. AIR THROW DISTANCE CHART MODEL: XS1852 HORIZONTAL DISTANCE (ft.) AXIS AIR VELOCITY COOLING FAN SPEED HIGH ROOM AIR TEMP. 80˚F 30˚ LOUVER ANGLE 1052_X_S SM830079 – 15 –...

  • Page 16: Refrigerant Flow Diagram

    6. REFRIGERANT FLOW DIAGRAM Indoor Unit: XS1852 Outdoor Unit: C1852, CL1852 Indoor Unit Outdoor Unit Wide tube Wide tube service valve Accumulator O. D. 5/8" (15.88 mm) Narrow tube Capillary Narrow tube service valve tube O. D. 1/4" (6.35 mm)

  • Page 17: Installation Instructions

    UNIT will be within the limits given in Table 1. 0711_M_I Fig. 1 Table 1 Models C1852 Tubing Data CL1852 Narrow tube in. (mm) 1/4 (6.35) : Thickness 0.0314" (0.8 mm) Tubing size outer dia.
  • Page 18 7. INSTALLATION INSTRUCTIONS Selecting the Installation Site Indoor Unit AVOID: areas where leakage of flammable gas may be expected. places where large amount of oil mist exist. direct sunlight. locations near heat sources which may affect performance of the unit. locations where external air may enter the room directly.
  • Page 19 7. INSTALLATION INSTRUCTIONS Exhaust fan Outdoor Unit Hot air AVOID: Heat source heat sources, exhaust fans, etc. (Fig. 3) Out- door damp, humid or uneven locations. unit 1817_C_I choose a place as cool as possible. Fig. 3 choose a place that is well ventilated. Obstacle above allow enough room around the unit for air intake/ exhaust and possible maintenance.
  • Page 20 7. INSTALLATION INSTRUCTIONS Electrical Wiring (7) Regulations on wire diameters differ from General Precautions on Wiring locality to locality. For field wiring rules, (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, please refer to your LOCAL ELECTRI- then carry out the wiring closely following CAL CODES (ex.
  • Page 21 Circuit Max. Wire Capacity Capacity AWG #12 AWG #12 Diameter C1852, CL1852 75 ft. 65 ft. 15 A 20 A AWG #12 *1 Refer to the Wiring System Diagrams (See below diagram) for the meaning of “A”, “B”. AWG = American Wire Gauge...

  • Page 22: Electrical Data

    8. ELECTRICAL DATA Electrical characteristics Indoor model: XS1852 / Outdoor model: C1852, CL1852 Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230 - 208 V / 1 phase / 60 Hz 230 - 208 V / 1 phase / 60 Hz 0.60 - 0.60...

  • Page 23: Electrical Wiring Diagrams

    9. ELECTRICAL WIRING DIAGRAMS (1) Indoor Unit 1 1 1 1 1 XS1852 • Electric Wiring Diagram IND Lamp Assy Switch Assy 1 2 3 1 2 3 Connector 3P(WHT) GRN/YEL Earth Terminal 2P(RED) 2P(YEL) 3P(WHT) 7P(WHT) 3P(GRN) SW ASSY W/LESS Controller (CR-TS2432) 7P(WHT)

  • Page 24: Schematic Diagram

    9. ELECTRICAL WIRING DIAGRAMS (1) Indoor Unit 1 1 1 1 1 XS1852 • Schematic Diagram CR-TS2432 Controller 4P-1 (3A) LESS 4P-3 ASSY 49FMI Coil 49FI Room 4P-2 Symbols Description Symbols Description Indoor Fan Motor Float Switch 49FI Indoor Motor Thermal Protector Thermistor (Indoor Coil) Running Capacitor Room Thermistor...

  • Page 25: Outdoor Unit

    9. ELECTRICAL WIRING DIAGRAMS (2) Outdoor Unit 1 1 1 1 1 C1852 • Electric Wiring Diagram Terminal Plate (6P) Overload Relay Power Supply Fan Motor Compressor Motor SM830079 – 25 –...

  • Page 26: Electric Wiring Diagram

    9. ELECTRICAL WIRING DIAGRAMS (2) Outdoor Unit 1 1 1 1 1 CL1852 • Electric Wiring Diagram Fuse BLK (01) Terminal BLK (02) Plate (6P) WHT (03) Controller (Outdoor Air) Thermistor BLK (04) RED (05) Connector 1 3 5 7 1 3 5 7 1 2 3 4 Power...

  • Page 27: Processes And Functions

    10. PROCESSES AND FUNCTIONS Room Temperature Control The Unit adjusts room temperature by turning the outdoor unit’s compressor ON and OFF. This process is controlled by the thermostat located in the remote control unit. The figures on this and the next pages show how each part of the system performs when the room temperature changes and the thermostat activates the compressor to start (thermo ON) or stop (thermo OFF).

  • Page 28: Freeze Prevention

    10. PROCESSES AND FUNCTIONS Freeze Prevention Freeze Prevention keeps the indoor heat exchange coil from freezing. Freezing reduces the efficiency of the unit, and frost buildup on the coil blocks cool air circulation from the indoor unit’s fan. FREEZE FREEZE PREVENTION PREVENTION MORE THAN 10 MINUTES...

  • Page 29: Outdoor Fan Speed Control

    10. PROCESSES AND FUNCTIONS Outdoor Fan Speed Control (CL1852) Low ambient fan speed control • This function protects the compressor from being damaged due to flowback of the liquid refrigerant to the compressor when the outdoor temperature is very low. •...

  • Page 30: Service Procedures

    11. SERVICE PROCEDURES (1) Troubleshooting Check before and after Troubleshooting Many problems may happen because of wiring or power supply problems, so you should check these areas first. Problems here can cause false results in some of the other tests, and so should be corrected first. 1 1 1 1 1 Check power supply wiring (a) Single-phase...
  • Page 31 11. SERVICE PROCEDURES Air Conditioner does not Operate 1 1 1 1 1 Circuit breaker trips (or fuse blows). (a) When the circuit breaker is set to ON, it is tripped soon. • There is a possibility of ground fault. •...
  • Page 32 11. SERVICE PROCEDURES (b) Circuit breaker trips in several minutes after turning the air conditioner on. • There is a possibility of short circuit. • Check capacity of circuit Replace it with a breaker. suitable one. Is capacity of circuit (= larger capacity) breaker sufficient ? •...
  • Page 33 11. SERVICE PROCEDURES C. Check “Operation selector” switch in the indoor unit. • Has “Operation selector” IND. LAMP Ass’y or P.C.B. switch been set to ON Ass’y in the indoor unit position ? is defective. Set “Operation selector” switch to ON. But neither unit runs.
  • Page 34 11. SERVICE PROCEDURES F. Check indoor fan motor thermal protector (49FMI) • Disconnect the socket from 9P (WHT) connector. • Check the continuity between No. 8 and No.9 poles of the 9P socket. No continuity. The thermal protector (49FMI) is operated. Check fan casing Remove foreign Fan cannot...
  • Page 35 11. SERVICE PROCEDURES Outdoor Unit does not Run. A. Check COOL / FAN selector switch in the remote control unit. • Is COOL/FAN selector switch Set to COOL. set to COOL ? 0623_X_S B. Check set temperature. Try to lower set temperature by Temperature setting button “COOLER”.
  • Page 36 11. SERVICE PROCEDURES C. Check compressor motor magnetic contactor. • Check coil resistance of compressor motor magnetic contactor. (PR) 1896_X_S Check outdoor unit P.C.B. D .Check indoor unit P.C.B. (CL1822 Type) • Check P.C.B. Ass’y. • Check P.C.B. Ass’y. • Check voltage between •...
  • Page 37 11. SERVICE PROCEDURES Indoor Unit does not Run. (Indoor fan and louver motor do not run.) P.C.B. Ass’y is defective. 0630_X_S Some Part does not Operate. A. Indoor fan does not run. Check fan casing Remove foreign for foreign matter matter or repair.
  • Page 38 11. SERVICE PROCEDURES Outdoor Fan does not Run. • Check fan casing Remove foreign for foreign matter matter or repair. Fan cannot on the inside. be rotated. • Check fan rotation. Rotate the fan gently once or twice by hand. •...
  • Page 39 11. SERVICE PROCEDURES Poor Cooling Check installation position Change installation of remote control unit. position of remote • Does cool air from air condi- control unit. tioner reach remote control unit directly ? Insulate wide tube and • Is wide tube between indoor unit then execute taping with and outdoor unit insulated ? narrow tube.

  • Page 40: A Sensor Is Defective

    11. SERVICE PROCEDURES A Sensor is Defective 1 1 1 1 1 Indoor (heat exchanger) coil temp. Sensor is defective. (a) Open (=No continuity in sensor) Compressor and outdoor fan repeat ON for 10 minutes and OFF for 6 minutes when sensor opens.

  • Page 41: Checking The Electrical Components

    11. SERVICE PROCEDURES Checking the Electrical Components Earthed wire Clip Measurement of Insulation Resistance • The electrical insulation is acceptable Probe when the resistance exceeds 1 M . Insulation Fig. 13 tester 0638_X_S 1 1 1 1 1 Power Supply Wires Terminal plate Clamp the earthed wire of the Power Supply wires with a lead clip of the...
  • Page 42 11. SERVICE PROCEDURES Checking the Protective Devices • Disconnect the connector, which consists of P (plug) and S (socket) when you want to check the protective device. • Then check continuity among plug’s (and/or socket’s) terminal as in Fig. 17. •...
  • Page 43 11. SERVICE PROCEDURES Checking the Electrical Parts 1 1 1 1 1 Power transformer (TR1) ....Indoor unit *Measure the coil resistance. • Primary 230-208 V ; Measure the resistance between two WHT lead wire terminals of socket connected to power transformer. •...
  • Page 44 11. SERVICE PROCEDURES 6 6 6 6 6 Continuity of fuse on P.C.B. Ass’y • Check for continuity using a multim- eter as shown in Fig. 19. Fuse NOTE Method Used to Replace Fuse on PCB Ass’y 1042_X_S 1. Remove the PCB Ass’y from the Fig.
  • Page 45 • The specifications, designs, and information in this brochure are subject to change without notice. SANYO FISHER Service Company CENTRAL REGION 1739 Sands Place, Suite G Marietta, GA 30067 Phone: (770) 951-8284 Fax: (770) 951-2077 Sep. / ’2000 Printed in U.S.A.

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Xs1852Cl1852

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