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Table of Contents
- 1 Table of Contents
- 2 I-Model Number
- 3 II-General Information
- 4 III-Installation Mechanical
- 5 IV-Installation Electrical
- 6 V-Operating Principles
- 7 VI-Controls Interface
- 8 VII-Diagnostics
- 9 VIII-Pre-Start Checkout
- 10 IX-Unit Start-Up Procedures
- 11 X-Periodic Maintenance
- 12 XI-Maintenance Procedures
- 13 XII-Wiring Diagram
- 14 XIII-Standard Conversion Table
- Download this manual
Installation
Operation
Maintenance
Series R Air-Cooled Helical Rotary
Liquid Chillers
RTAC Plus 140 - 350 Ton (60 Hz)
RTAC Plus 140 - 300 Ton (50 Hz)
SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and
servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific
knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the
literature and on the tags, stickers, and labels that are attached to the equipment.
RTAC-SVX002A-EN
May 2014
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Table of Contents
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Summarization of Contents
General Information
Safety Warnings and Cautions
General warnings and cautions for safe operation and installation.
Unit Inspection and Handling
Procedures for inspecting the unit upon delivery and handling loose parts.
Unit Description and Features
Details on unit description, identification tag, and general data.
Installation Mechanical
Installation Responsibilities and Guidelines
Outlines contractor duties, storage, location, and general installation steps.
Lifting, Setting, and Weights
Procedures for lifting, setting, and tables detailing unit weights.
Isolation, Sound Emission, and Clearances
Methods for sound reduction, foundation, and required installation clearances.
Water Piping and Treatment
Guidelines for water piping, drainage, strainers, and water treatment.
Installation Electrical
General Electrical Recommendations and Warnings
Compliance with codes, wiring practices, and hazardous voltage warnings.
Power Supply and Wiring Diagrams
Power supply wiring, starter panel, and general wiring diagrams.
Control System Inputs and Outputs
Interconnecting wiring, pump interlock, reset types, and setpoint arbitration.
Arbitration Flowcharts
Logic diagrams for chilled water configuration, current limit, Auto/Stop, and Ice Making control.
Operating Principles
LonTalk Interface and System Overview
List of LonTalk interface points and overview of system components.
Refrigeration Cycle and Components
Explanation of the unit's refrigeration cycle, components, and operation.
Oil System Operation
Description of the lubrication system and oil flow within the unit.
Controls Interface
CH530 Control System and DynaView Interface
Overview of the CH530 system, DynaView interface, and screen navigation.
Setpoint Management
Reviewing and changing unit setpoints via the interface.
Diagnostic Monitoring
Accessing and understanding unit diagnostics through the interface.
Diagnostics
Diagnostic Table Legend and Structure
Explains diagnostic codes, severity, persistence, and reset levels.
Communication and System Diagnostics
Diagnostics related to communication loss, BAS, and system status.
Component and Performance Diagnostics
Diagnostics for fans, starters, pressure, temperature, and oil related issues.
Pre-Start Checkout
Pre-Start Checklist and Procedures
Comprehensive checklist for unit installation and pre-start verification.
Electrical Safety and Voltage Checks
Warnings and procedures for electrical safety, voltage, and phase checks.
Unit Start-Up Procedures
Seasonal and Extended Unit Start-Up
Step-by-step procedures for starting the unit seasonally or after shutdown.
Temporary Shutdown and Restart
Procedures for short-term shutdowns and subsequent restarts.
Periodic Maintenance
Maintenance Schedule and Procedures
Guidelines for weekly, monthly, and annual maintenance tasks.
Hazardous Voltage Warning
Critical safety warning regarding voltage and capacitors during servicing.
Maintenance Procedures
Refrigerant and Oil Charge Management
Importance of correct charge, symptoms of issues, and charging procedures.
Component Maintenance and Replacement
Procedures for filter replacement, oil charging, and compressor replacement.
Wiring Diagram
Circuit Wiring Diagrams
Electrical wiring diagrams for various circuits, lengths, and fan configurations.
Control and Field Wiring Diagrams
Diagrams for controls, bus, LLID, and field wiring layouts.
Component Location Diagrams
Diagrams showing the physical location of components within the unit.
Wiring Size and Layout Tables
Tables detailing wire size ranges and field layout information.
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