Sinclair SCV-120EB Service Manual

Air-cooled mini chiller unit

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AIR-COOLED
MINI CHILLER UNIT
SERVICE MANUAL
SCV-XXXEB / EB-3
AIR CONDITIONING

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Table of Contents
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Summarization of Contents

General Information
Product Lineup
Details the various models of air-cooled mini chiller units.
Product Nomenclature
Explains the naming convention and model designation for the chillers.
Component Layout and Refrigerant Circuits
Functional Component Layout
Illustrates the placement of key components within the chiller unit.
Refrigerant Piping Diagrams
Presents diagrams showing refrigerant flow for heating and cooling modes.
Chiller Control Systems
Stop Operation Modes
Describes the conditions and reasons for the chiller to stop operation.
Standby Operation Control
Details the control logic for the unit when in standby mode.
Startup Control Procedures
Outlines the steps and logic for starting up the chiller unit.
Normal Operation Control
Explains the control functions during normal heating and cooling operation.
Protection Control Mechanisms
Details safety mechanisms and protection controls to prevent damage.
Special Control Functions
Covers advanced control functions like oil return and defrosting.
Diagnosis and Troubleshooting Guide
Electric Wiring Diagrams
Provides detailed wiring diagrams for different chiller models.
Control Box Component Layout
Shows the layout of PCBs and modules within the electrical control box.
Printed Circuit Board (PCB) Details
Details the Hydro system PCB and its ports and functions.
Error Code Reference Table
Lists error codes, serial numbers, and their corresponding content for troubleshooting.
Troubleshooting Procedures
Offers step-by-step guides for diagnosing and resolving common issues.
USB Data Transfer for Settings
Explains how to transfer controller parameters using a USB drive.
Network Configuration and App Setup
Provides guidelines for connecting the unit to a network and using the mobile app.
Temperature Sensor Resistance Data
Lists resistance values for temperature sensors at various temperatures.

Table of Contents