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Series R Air-Cooled Helical Rotary Liquid Chillers, RTAC 140-500 ton units (60 Hz) manual 192
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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Contents
Series R Air-Cooled Helical Rotary Liquid Chillers
January
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
106
126
137
144
149
155
165
General Information
Literature History
Unit Identification Nameplates
Inspection Checklist
Unit Inspection
Loose Parts Inventory
Unit Description
Typical Rtac Unit
General Data 140-250 Ton 60 Hz Units Standard Efficiency
STD
General Data 275- 500 Ton 60 Hz Units Standard Efficiency
General Data 140-400 Ton 60 Hz Units High Efficiency
High
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
Model Number Coding System
Unit Model Number
Coop
Installation Mechanical
Installation Responsibilities
Nameplates
Outdoor Unit Nameplate
Setting the Unit
Storage
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
Isolation and Sound Emission
Unit Isolator Locations
Noise Considerations
Foundation
Clearances
Recommended Unit Clearances 18-21 foot bases
Recommended Evaporator Clearance
Evaporator Damage
Unit Isolation and Leveling
Drainage
Evaporator Water Piping
Evaporator Flow Switch
Use Piping Strainers
Entering Chilled Water Piping
Leaving Chilled Water Piping
Evaporator Water Pressure Drop Rtac 140 250 Ton
Evaporator Water Pressure Drop
Proper Water Treatment
Evaporator Water Pressure Drop Rtac 250 500 Ton
Water-Side Pressure Drop vs Flow Rate
Water Pressure Gauges
Suggested Piping for Typical Rtac Evaporator
Procedure
Shell Damage
Water Pressure Relief Valves
Freeze Protection
Specials
Glycol Recommendations
Recommended Low Evaporator Refrigerant Cutout and % Glycol
Installation Mechanical Remote Evaporator Option
System Configuration and Interconnecting Refrigerant Piping
Equipment Damage
Installation Mechanical Remote Evaporator Option
Remote Evaporator Installations
Circuit Identification
Line Sizing
Rtac 140-250 Ton Rem ote Evaporator Liquid Line Sizes
Liquid Line Sizing Steps
Required Length of Field Installed Suction Accumulator
Example Liquid Line Sizing
Suction Line Sizing Steps
Example Suction Line Sizing
Ton circuit 85ton circuit
Piping Installation Procedures
Hazardous Gas
Suction Accumulator Sizing
Example of Suction Accumulator Line Sizing
Hazardous Gases
Refrigerant Sensors
Refrigerant Pressure Relief Valve Venting
Leak Test and Evacuation
Hazard of Explosion
Remote Evaporator
Refrigerant and Additional Oil Charge
Refrigerant Charge Determination
Oil Charge Determination
Installation Electrical
Hazardous Voltage w/Capacitors
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
Installer-Supplied Components
Power Supply Wiring
Control Power Supply
Starter Panel
Interconnecting Wiring
Heat Tape
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 Chilled Water Setpoint Ecws Option
External Current Limit Setpoint Ecls Option
Chilled Water Reset CWR
Wiring Examples for Ecls and Ecws
Return
Outdoor
Where
Installation Recommendations
Wire Size Maximum Length of Communication Wire
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
Controls Interface
CH530 Communications Overview
Controls Interface
DynaView Interface
Cancel Hot Links
Key Functions
Radio Buttons
Spin Value Buttons
Display Screens
Basic Screen Format
Front Panel Lockout Feature
Front Panel Display During Cold Ambients
Modes Screen
Modes Chiller
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
Compressor Screen Description Resolution Units
Refrigerant Screen
Refrigerant Screen Description Resolution Units
Setpoint Screen Description Resolution or Text Units
Setpoint Screen
Diagnostic Screen
Setpoint Options/Conditions Displayed
Option Conditions Explanation
Power-Up
Display Formats
Units
Languages
TechView
Minimum PC requirements to install and operate TechView
Unit View
108
Compressor Service View
Status View
Status View
Status View Items Tab Text Units
RLA
112
Setpoint View
Setpoint View
Setpoint Numeric Panel
115
116
Diagnostics View
Diagnostic 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
Diagnostics
5EF
127
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Installation Checklist
Pre-Start Checkout
Receiving
Unit Location and Mounting
Information in Interconnecting Wiring
Electrical Wiring
Live Electrical Components
Connections
Compressor Damage
Unit Voltage Power Supply
Unit Voltage Imbalance
Unit Voltage Phasing
Phase Seq. Lead Terminal
Water System Flow Rates
Water System Pressure Drop
CH530 Set-Up
Unit Start-Up Procedures
Daily Unit Start-Up
Seasonal Unit Start-Up Procedure
Refrigerant
System Restart After Extended Shutdown
Unit Shutdown Procedures
Extended Shutdown Procedure
Chilled Water Pump
Temporary Shutdown And Restart
Unit Shutdown Procedure
Disconnect Power
Periodic Maintenance
Weekly Maintenance
Monthly Maintenance
Annual Maintenance
Hazardous Voltage w/Capacitors
Rtac Start-up Test Log
Circuit 1 Control
Circuit Control
Chiller Tab
Circuit 1 Tab Circuit 2 Tab
Compressor 1A Tab Compressor 1B Tab
Comments
Compressor 2A Tab Compressor 2B Tab
Maintenance Procedures
Refrigerant and Oil Charge Management
R134a Field Charging Procedure
Field Refrigerant Charging Procedure
High side charge isolation procedure
Charge Isolation in the high or low side of system
Adding charge
Low side charge isolation procedure
Returning unit to running condition
Refrigerant Filter Replacement Procedure
Oil Charging Procedure
Lubrication System
Oil System Schematic
Factory initial Oil Charging Procedure
Field Oil Charging Procedure
Evaporator tube replacement
Compressor Replacement
Hazardous Voltage
Unit Wiring
Drawing Number Description
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