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Series R Air-Cooled Helical Rotary Liquid Chillers, RTAC 140-500 ton units (60 Hz) manual 213
Models:
RTAC 140-400 ton units (50 HZ)
RTAC 140-500 ton units (60 Hz)
Series R Air-Cooled Helical Rotary Liquid Chillers
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252 pages
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Install
System Schematic
Evaporator tube replacement
Maintenance
Configuration View
Power Supply Wiring
Chilled Water Reset CWR
Diagnostic Screen
Procedure
Default Assignments Relay
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RTAC-SVX01F-EN
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Contents
January
Series R Air-Cooled Helical Rotary Liquid Chillers
Models
Rtac 140-500 ton units 60 Hz Rtac 140-400 ton units 50 Hz
Environmental Concerns
Responsible Refrigerant Practices
Contains Refrigerant
Table of Contents
Installation Electrical
Operating Principles
Controls Interface
126
106
137
144
149
155
165
General Information
Literature History
Unit Identification Nameplates
Unit Inspection
Inspection Checklist
Loose Parts Inventory
Unit Description
Typical Rtac Unit
STD
General Data 140-250 Ton 60 Hz Units Standard Efficiency
General Data 275- 500 Ton 60 Hz Units Standard Efficiency
High
General Data 140-400 Ton 60 Hz Units High Efficiency
General Data 120-400 Ton 50 Hz Units-Standard Efficiency
General Data 120-400 Ton 50 Hz Units-High Efficiency
General Information
RTAC-SVX01F-EN
Unit Dimensions 225-250 Ton High Efficiency, 60 Hz
RTAC-SVX01F-EN
RTAC-SVX01F-EN
Unit Dimensions 300 Ton High Efficiency, 50 and 60 Hz
RTAC-SVX01F-EN
RTAC-SVX01F-EN
RTAC-SVX01F-EN
RTAC-SVX01F-EN
RTAC-SVX01F-EN
Unit Model Number
Model Number Coding System
Coop
Installation Responsibilities
Installation Mechanical
Nameplates
Outdoor Unit Nameplate
Storage
Setting the Unit
General
Location Requirements
Lifting the Unit Package and Remote 30-36-foot Base
Aluminum Fins
Copper Fins
Installation Mechanical
Remote Evaporator Aluminum Fins
Remote Evaporator Copper Fins
Unit Isolator Locations
Isolation and Sound Emission
Noise Considerations
Clearances
Foundation
Recommended Unit Clearances 18-21 foot bases
Recommended Evaporator Clearance
Unit Isolation and Leveling
Evaporator Damage
Drainage
Evaporator Water Piping
Use Piping Strainers
Evaporator Flow Switch
Entering Chilled Water Piping
Leaving Chilled Water Piping
Evaporator Water Pressure Drop
Evaporator Water Pressure Drop Rtac 140 250 Ton
Proper Water Treatment
Evaporator Water Pressure Drop Rtac 250 500 Ton
Water-Side Pressure Drop vs Flow Rate
Suggested Piping for Typical Rtac Evaporator
Water Pressure Gauges
Shell Damage
Procedure
Water Pressure Relief Valves
Freeze Protection
Specials
Recommended Low Evaporator Refrigerant Cutout and % Glycol
Glycol Recommendations
Installation Mechanical Remote Evaporator Option
System Configuration and Interconnecting Refrigerant Piping
Equipment Damage
Installation Mechanical Remote Evaporator Option
Remote Evaporator Installations
Circuit Identification
Rtac 140-250 Ton Rem ote Evaporator Liquid Line Sizes
Line Sizing
Liquid Line Sizing Steps
Example Liquid Line Sizing
Required Length of Field Installed Suction Accumulator
Suction Line Sizing Steps
Example Suction Line Sizing
Ton circuit 85ton circuit
Hazardous Gas
Piping Installation Procedures
Suction Accumulator Sizing
Example of Suction Accumulator Line Sizing
Refrigerant Sensors
Hazardous Gases
Refrigerant Pressure Relief Valve Venting
Leak Test and Evacuation
Remote Evaporator
Hazard of Explosion
Refrigerant Charge Determination
Refrigerant and Additional Oil Charge
Oil Charge Determination
Hazardous Voltage w/Capacitors
Installation Electrical
Use Copper Conductors Only
General Recommendations
Hacr
Unit Wiring Motor Data Max. Fuse
300
450
FLA Rtac
Unit Wiring Motor Data Max. Fuse Compressor Each
575/60/3
200/60/3
Rec. Time Power Breaker or
200/60/3 960 1200 386-386 2156-2156 701-701
200/60/3 960522 1200/800 1200/700
200/60/3 960/960 1200/1200 12001200
Power Supply Wiring
Installer-Supplied Components
Starter Panel
Control Power Supply
Heat Tape
Interconnecting Wiring
Chilled Water Flow Pump Interlock
Chilled Water Pump Control
Alarm and Status Relay Outputs Programmable Relays
Low Voltage Wiring
Relay Assignments Using TechView
Default Assignments Relay
External Auto/Stop
External Circuit Lockout Circuit #1 and Circuit #2
Ice Building Option
External Current Limit Setpoint Ecls Option
External Chilled Water Setpoint Ecws Option
Wiring Examples for Ecls and Ecws
Chilled Water Reset CWR
Return
Outdoor
Where
Wire Size Maximum Length of Communication Wire
Installation Recommendations
Communications Interface options
Optional Tracer Communications Interface
Outputs Variable type SNVTType
Operating Principles
Refrigeration Cycle
R134a
System Schematic
Refrigerant R134a
Compressor
Condenser and Subcooler
Expansion Valve
Evaporator
Oil System
KEY
CH530 Communications Overview
Controls Interface
Controls Interface
DynaView Interface
Key Functions
Cancel Hot Links
Radio Buttons
Spin Value Buttons
Basic Screen Format
Display Screens
Front Panel Display During Cold Ambients
Front Panel Lockout Feature
Modes Chiller
Modes Screen
Chiller Modes Description Top Level Mode Sub-modes
Controls Interface
Circuit Modes Description Top Level Mode Sub-modes
Controls Interface
Compressor Modes Description Top Level Mode Sub-modes
Chiller Screen Description Resolution Units
Chiller Screen
Compressor Screen
Refrigerant Screen
Compressor Screen Description Resolution Units
Refrigerant Screen Description Resolution Units
Setpoint Screen Description Resolution or Text Units
Setpoint Screen
Diagnostic Screen
Setpoint Options/Conditions Displayed
Option Conditions Explanation
Display Formats
Power-Up
Units
Languages
TechView
Unit View
Minimum PC requirements to install and operate TechView
108
Compressor Service View
Status View
Status View
RLA
Status View Items Tab Text Units
112
Setpoint View
Setpoint View
Setpoint Numeric Panel
115
116
Diagnostic View
Diagnostics View
Configuration View
Configuration View
Configuration View Items Tab Default Description
120
121
Software View
Software View
Binding View
Binding View
Software Download
Replacing or Adding Devices
Instructions for First Time TechView Users
125
5EF
Diagnostics
127
128
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130
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136
Pre-Start Checkout
Installation Checklist
Receiving
Unit Location and Mounting
Information in Interconnecting Wiring
Electrical Wiring
Live Electrical Components
Compressor Damage
Connections
Unit Voltage Power Supply
Unit Voltage Phasing
Unit Voltage Imbalance
Phase Seq. Lead Terminal
Water System Flow Rates
Water System Pressure Drop
CH530 Set-Up
Daily Unit Start-Up
Unit Start-Up Procedures
Refrigerant
Seasonal Unit Start-Up Procedure
System Restart After Extended Shutdown
Extended Shutdown Procedure
Unit Shutdown Procedures
Chilled Water Pump
Temporary Shutdown And Restart
Disconnect Power
Unit Shutdown Procedure
Weekly Maintenance
Periodic Maintenance
Monthly Maintenance
Annual Maintenance
Hazardous Voltage w/Capacitors
Rtac Start-up Test Log
Circuit Control
Circuit 1 Control
Circuit 1 Tab Circuit 2 Tab
Chiller Tab
Compressor 1A Tab Compressor 1B Tab
Comments
Compressor 2A Tab Compressor 2B Tab
Refrigerant and Oil Charge Management
Maintenance Procedures
Field Refrigerant Charging Procedure
R134a Field Charging Procedure
High side charge isolation procedure
Charge Isolation in the high or low side of system
Adding charge
Returning unit to running condition
Low side charge isolation procedure
Refrigerant Filter Replacement Procedure
Oil Charging Procedure
Lubrication System
Oil System Schematic
Factory initial Oil Charging Procedure
Field Oil Charging Procedure
Compressor Replacement
Evaporator tube replacement
Hazardous Voltage
Drawing Number Description
Unit Wiring
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