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FILE NO. SVM-08011

SERVICE MANUAL

SPLIT TYPE
Indoor Unit
Outdoor Unit
<High Wall, Heat Pump Type>
<Heat Pump Type>
RAS-137SKV-E
RAS-137SAV-E
RAS-167SKV-E
RAS-167SAV-E
R410A
Feb, 2008

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Summarization of Contents

Safety Precautions
General Safety Guidelines
Covers public use, installation, general warnings, and dangers.
Electrical and High Voltage Safety
Focuses on electrical hazards, high voltage, and connection safety.
Specifications
Detailed Unit Specifications
Lists technical specifications for indoor and outdoor units.
Operational Characteristics and Data
Shows performance curves and operational parameters.
Refrigerant R410A Handling
Safety During Installation & Servicing
Critical safety measures for handling R410A refrigerant.
Refrigerant Piping Installation
Requirements for pipe materials, joints, and processing.
Required Tools & Equipment
Lists specialized and general tools for R410A systems.
Recharging & Brazing Procedures
Covers refrigerant charging, brazing materials, flux, and methods.
Construction Views
Indoor Unit Structure and Dimensions
Explains the physical structure and dimensions of the indoor unit.
Outdoor Unit Structure and Dimensions
Details the physical structure and dimensions of the outdoor unit.
Wiring Diagrams
Indoor Unit Wiring Schematics
Shows electrical connections for indoor unit models.
Outdoor Unit Control Wiring
Explains the outdoor unit's inverter assembly and control functions wiring.
Electrical Parts Specifications
Indoor Unit Components
Lists electrical components for the indoor unit.
Outdoor Unit Components
Lists electrical components for the outdoor unit.
Refrigerant Cycle and Operation Data
Refrigerant Cycle Diagrams
Illustrates the refrigerant flow for different models.
Operational Parameters
Provides operational parameters for cooling and heating.
Control Block Diagrams
Indoor Unit Control Logic
Details the indoor unit's control logic and components.
Outdoor Unit Control Logic
Explains the outdoor unit's inverter assembly and control functions.
Operation Description
System Control Overview
Explains the roles of indoor/outdoor controllers and signal communication.
Operational Modes and Functions
Details various operational modes and functions like fan, defrost, ECO.
Auto Restart & Remote Control
Covers auto restart setup and remote controller operations.
Installation Procedure
Unit Placement and Diagrams
Covers installation diagrams and optional parts.
Indoor Unit Installation Details
Covers tools, site prep, wiring, and drainage for the indoor unit.
Outdoor Unit Installation Details
Covers placement, refrigerant piping, and wiring for the outdoor unit.
Troubleshooting and Diagnosis
Diagnostic Procedures Overview
Introduces troubleshooting methods, safety, and initial checks.
Unit Operation & LED Diagnosis
Verifies power, voltage, and interprets LED error codes.
Remote Controller & Wiring Diagnosis
Details self-diagnosis, wiring failures, and specific error codes.
Component-Level Troubleshooting
Guides checking specific parts like P.C. boards, motors, and sensors.
How to Replace Main Parts
Indoor Unit Part Replacement
Step-by-step guide for replacing indoor unit components.
Outdoor Unit Part Replacement
Covers disassembly and replacement of outdoor unit parts.
Exploded Views and Parts List
Indoor Unit Diagrams and Parts
Provides visual breakdown and part numbers for the indoor unit.
Outdoor Unit Diagrams and Parts
Shows exploded diagrams and parts for the outdoor unit.
P.C. Board Layouts
Illustrates the layout of components on the P.C. boards.

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