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Sanyo SPW-U483GH56 User Manual

Sanyo SPW-U483GH56
108 pages
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FILE NO.
SERVICE MANUAL
SPW-U253GH56 SPW-C253GH5
SPW-U253GH56 SPW-C253GH8
SPW-U363GH56 SPW-C363GH8
SPW-U483GH56 SPW-C483GH8
SPLIT SYSTEM AIR CONDITIONER
INDOOR MODEL No. PRODUCT CODE No. OUTDOOR MODEL No. PRODUCT CODE No.
SPW-U253GH56 854 011 53 SPW-C253GH5 854 012 18
SPW-U253GH56 854 011 53 SPW-C253GH8 854 012 19
SPW-U363GH56 854 011 54 SPW-C363GH8 854 012 20
SPW-U483GH56 854 011 55 SPW-C483GH8 854 012 21
Indoor Unit Outdoor Unit
SPW-C253GH5
SPW-C253GH8
SPW-C363GH8
SPW-C483GH8
0408_C_S
0409_C_S
85464849135001 REFERENCE NO. SM830035
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Section
SPW-U253GH56
SPW-U363GH56
SPW-U483GH56

Table of Contents

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Questions and Answers:

Sanyo SPW-U483GH56 Specifications

General IconGeneral
BrandSanyo
ModelSPW-U483GH56
CategoryAir Conditioner
LanguageEnglish

Summary

1. Specifications

1-1 Unit Specifications

Details unit's capacity, electrical ratings, features, dimensions, and operating conditions.

1-2 Major Component Specifications (A) Indoor Unit

Specifies key components for the indoor unit, including fan, motor, heat exchanger, and pump.

1-2 Major Component Specifications (B) Outdoor Unit

Specifies key components for the outdoor unit, including compressor, fan, and heat exchanger.

1-3 Other Component Specifications

Details specifications for various components like transformers, thermistors, relays, and valves.

1-4 Dimensional Data (A) Indoor Unit

Provides detailed diagrams and dimensions for the indoor unit's physical layout and connections.

1-4 Dimensional Data (B) Outdoor Unit

Provides detailed diagrams and dimensions for the outdoor unit's physical layout and connections.

1-5 Refrigerant Flow Diagram

Illustrates the path of refrigerant through the system in cooling and heating cycles.

1-6 Operating Range

Defines the minimum and maximum temperature limits for cooling and heating operations.

2. Processes and Functions

2-1 Room Temperature Control (A) Cooling

Explains how room temperature is regulated by controlling the compressor during cooling.

2-1 Room Temperature Control (B) Heating

Explains how room temperature is regulated by controlling the compressor during heating.

2-2 Cold Draft Prevention (Heating Cycle)

Controls indoor fan speed to prevent cold air discharge during heating operations.

2-3 Automatic Fan Speed (Indoor Unit)

Adjusts indoor fan speed automatically based on room temperature in cooling and heating modes.

2-4 Outdoor Fan Speed Control

Adjusts outdoor fan speed automatically based on outdoor temperature for optimal performance.

2-5 Freeze Prevention (Cooling)

Prevents the indoor heat exchange coil from freezing during cooling operations.

2-6 Condensing Temperature Control (Cooling)

Controls condensing temperature using outdoor fan speed and refrigerant valve.

2-7 Overload Protection (Heating)

Protects the air conditioner from overloading during heating operations.

2-8 Discharge Temperature Control (Cooling and Heating)

Protects the compressor from overheating by regulating discharge gas temperature.

2-9 Auto. Mode for Automatic Heating/Cooling Switching

Automatically switches between cooling and heating modes based on set and room temperatures.

2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating)

Manages defrosting operations to remove frost buildup from the outdoor heat exchanger coil.

2-11 4-Way Valve, Solenoid Control (A) Normal Control Mode

Explains the operation of the 4-way valve and solenoid control in normal mode.

2-11 4-Way Valve, Solenoid Control (B) AUTO Control Mode

Explains the operation of the 4-way valve and solenoid control in auto mode.

2-12 Automatic Restart after Power Interruption

Describes the unit's power failure recovery function and automatic restart capabilities.

2-13 Electronic Refrigerant Control Valve

Details the function, operation, and step control of the electronic refrigerant control valve.

2-14 Compressor Discharge Gas Temperature

Lists typical compressor discharge gas temperatures under various operating conditions.

2-15 Compressor Current Detection Circuit

Explains the circuit that detects compressor current for overload and lock protection.

2-16 Dehumidifying Operation

Details the operation and control mechanism of the dehumidifying mode.

2-17 Drain Pump Control

Explains the operation of the drain pump during cooling and freeze prevention modes.

2-18 Electronic Refrigerant Control Valve Control

Describes the control logic and order for the electronic refrigerant control valve.

2-19 Voltage Detection Control

Monitors power supply voltage and issues 'P2' alarm for component protection.

3. Electrical Data

3-1 Indoor Unit (SPW-U253GH56) Wiring Diagram

Detailed electric wiring diagram for the SPW-U253GH56 indoor unit.

3-1 Indoor Unit (SPW-U363GH56, SPW-U483GH56) Wiring Diagram

Detailed electric wiring diagram for SPW-U363GH56 and SPW-U483GH56 indoor units.

3-2 Outdoor Unit (SPW-C253GH5) Wiring Diagram

Detailed electric wiring diagram for the SPW-C253GH5 outdoor unit.

3-2 Outdoor Unit (SPW-C253GH8) Wiring Diagram

Detailed electric wiring diagram for the SPW-C253GH8 outdoor unit.

3-2 Outdoor Unit (SPW-C363GH8) Wiring Diagram

Detailed electric wiring diagram for the SPW-C363GH8 outdoor unit.

3-2 Outdoor Unit (SPW-C483GH8) Wiring Diagram

Detailed electric wiring diagram for the SPW-C483GH8 outdoor unit.

4. Service Procedures

4-1 Troubleshooting (Checks Before and After)

Initial checks for wiring and power supply are crucial before detailed troubleshooting.

4-1 Troubleshooting (General Flow Chart)

Diagnostic flow charts for cooling and heating identify problem causes and remedies.

4-1 Troubleshooting (Alarm Messages)

Explains the meanings of various alarm messages and their potential causes.

4-1 Troubleshooting (Symptoms and Parts)

Guides inspection of specific parts based on observed unit symptoms for diagnosis.

4-1 Troubleshooting (Component Failure Procedures)

Step-by-step procedures for diagnosing and rectifying specific component failures.

4-1 Troubleshooting (Remote Controller Functions)

Details service functions accessible via the remote controller for diagnostics and checks.

4-2 Checking Electrical Components (Insulation Resistance)

Instructions for measuring insulation resistance of power supply wires, indoor, and outdoor units.

4-2 Checking Electrical Components (Protective Devices)

Procedures for checking the continuity of protective devices like thermal protectors and switches.

4-2 Checking Electrical Components (Specific Parts)

Methods for checking electrical parts such as transformers, motors, capacitors, and coils.

4-2 Checking Electrical Components (Sensor/Solenoid Layout)

Diagrams illustrating the physical layout and connections of sensors and solenoids.

4-2 Checking Electrical Components (Thermistor Curves)

Characteristic curves for thermistors to aid in resistance checks based on temperature.

4-2 Checking Electrical Components (PCB Setting)

Instructions for configuring DIP switches on the outdoor unit's PCB for various control modes.

4-2 Checking Electrical Components (R.C. Address Setting)

Method for setting the Remote Controller (R.C.) address for unit communication.

4-2 Checking Electrical Components (Automatic Address Setting)

Procedure for automatically setting addresses for indoor and outdoor units in a system.

4-2 Checking Electrical Components (Combination Numbers)

Guidance on displaying and labeling indoor/outdoor unit combinations for reference.

4-2 Checking Electrical Components (Pre-Test Run Checks)

Essential checks before a test run, including capacity and model code settings.

4-2 Checking Electrical Components (Test Run Procedure)

Step-by-step guide for performing a test run to verify unit operation and settings.

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