Sinclair SCV-160EB-3 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
Lists chiller models, power specifications, and refrigerants.
Nomenclature
Explains the meaning of the model designation codes.
Component Layout and Refrigerant Circuits
Functional Component Layout
Visual representation of key components within the unit.
Refrigerant Piping Diagrams
Illustrates refrigerant flow for heating and cooling operational modes.
Control
Stop Operation
Describes reasons for unit shutdown and abnormal operational states.
Standby Control
Details crankcase heater and water pump operation during standby.
Startup Control
Explains compressor startup delay and temperature-based programs.
Normal Operation Control
Outlines control logic for compressor, fan, and valve functions.
Protection Control
Covers system protection against pressure and temperature deviations.
Special Control Operations
Details oil return, defrosting, and force cooling modes.
Diagnosis and Troubleshooting
Electric Wiring Diagram
Provides schematic diagrams of the unit's electrical connections.
Electric Control Box Layout
Shows the physical arrangement of components within the control box.
Printed Circuit Boards (PCB)
Details the Hydro, Refrigerant, and Inverter PCBs and their connections.
Error Code Table
Lists all error codes with their serial numbers and descriptions.
Troubleshooting Procedures
Guides users through diagnosing and resolving specific error codes.
USB Data Transfer
Explains how to transfer and update unit parameters via USB.
Network Configuration Guidelines
Provides instructions for connecting the unit to a Wi-Fi network.
Temperature Sensor Resistance Characteristics
Lists resistance values for temperature sensors at different temperatures.

Table of Contents