American Standard
CH530
manual
Control System Components, Control panel components layout
Module Characteristics
Power Up Diagram
Delay time 200 msec. Opens 2K1
Maintenance
Oil Supply System Problems
System Reset
Diagnostic Screen
Unit Start-Up Procedures
Control Settings Adjustments
Phase Loss Protection
Page 52
Control System
Components
Figure 24. Control panel components layout
52
CDHF-SVU01C-EN
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Image 52
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Contents
X39640670030CDHF-SVU01C-EN
Read these carefully
Contents
General Information
Literature change
About this manual
Unit Nameplate
General Information
= 560 3 stage 935 2 stage Y = 500 3 stage 835 2 stage
Commonly Used Acronyms
Control Optional Packages
Overview
General Duplex unit components front view
General Duplex unit components 2 stage compressor
Cooling Cycle
Compressor 1 or 2 2 Stage
Pressure enthalpy curve 3 stage compressor
Pressure enthalpy curve 2 stage compressor
TechView Chiller Service Tool
DynaView Human Interface
Power Up Diagram
Software Operation Overview Diagram
Software States Figure
Timeline Text Figures
CDHE/F/G sequence of operation auto to running
Staging Second Compressor On
Staging Second Compressor Off
Satisfied Setpoint
CDHF/G sequence of operation lead 1/lag
Fixed Sequence Compressor 2 / Compressor
CDHE/F/G sequence of operation lead 2 lag
Sequencing Balanced Starts and Hours
CDHF/G sequence of operation equalize starts and hours
Simultaneous Compressor Start/ Stop
CDHF/G sequence of operation combined start
Restart Inhibit Start to Start Time Setting
Restart Inhibit
Restart Inhibit Free Starts
Clear Restart Inhibit
Surface Temperatures
Oil and Refrigerant Pump
Oil refrigerant pump circuit 1 or
Base Loading Control Algorithm
20 100 percent RLA
General Information
Ice Machine Control
Sequence of operation ice making running to ice making
Hot Water control
Control Panel Devices and Unit Mounted Devices
Unit Control Panel UCP
Unit Control Panel UCP
Variable water flow through the evaporator
User-defined language support
Operator Interface
DynaView main processor
Operator Interface
Chiller Stop Prevention/Inhibit Feature
How It Works
Top Level Mode Description
System Reset
Reference
Chiller Operating Mode
Circuit Operating Mode
Main Screen
Main Screen Data Fields Table
Diagnostic Screen
Back button provides navigation back to the chiller screen
Operator Interface
Report Menu
Reports
Report name System Evaporator
Report name Circuit Evaporator
Report name System Condenser
Report name Circuit Condenser
Historic Diagnostics Log
Report name System Ashrae Chiller Log
Setting Tab screens provides a user
Header Screen
Feature Settings
Chiller
System Mode Overrides
Circuit Mode Overrides
Display Settings
Purge
Operator Interface
Operator Interface
Operator Interface
Operator Interface
Operator Interface
Interprocessor Communication
Inter Processor Communications IPC3
IPC3 Definitions Bus Management
Binding
Control System Components
Control panel components layout
Control System Components
Control Panel Devices
Machine Shutdown Manual Reset MMR
Head Relief Request Output
Maximum Capacity Relay
Compressor Running Relay
Refrigerant Monitor Input 1A17
Exop
Cdrp Condenser Refrigerant Pressure Output
Trmm TRM4 Tracer Comm 4 interface
Epro Enhanced Protection
Temperature based
Cdrp Refrigerant Pressure Output Option 1A15
Condenser Pressure Output
Pressure based
Refrigerant Differential Pressure Indication Output
Gbas Generic Building Automation System
Percent RLA Output
Module Characteristics
External Chilled Water Setpoint Ecws
External Current Limit Setpoint
Wpsr WFC Water Pressure Sensing Option
1A13, 1A18, 1A19, 1A20 Dual Binary input module
1A8, 1A9, 1A11, 1A12 Quad Relay Output Status
1A14 Communication interface Module
1A15, 1A16, 1A17, 1A21 Dual Analog Input/output Module
Recommended Length to Run external Output signals
Analog Input
Unit mounted devices
Control System Components
Control System Components
Electrical Sequence
Control Sequence of Operation
UCP and Wye-Delta Starter Control Circuits
Delay time 200 msec. Opens 2K1
Control Sequence of Operation
Control Sequence Operation
Test and start timing sequence
AFD
Momentary Power Loss MPL Protection
Machine Protection Adaptive Control
Current Overload Protection
Overload trip time versus percent RLA
Current Limit Protection
Phase Loss Protection
Reverse Rotation Protection
SoftLoading
Differential to Start or Stop
Minimum and Maximum Capacity Limit
Leaving Water Temperature Cutout
Evaporator Limit
Low Refrigerant Temperature Cutout
Head Relief Relay
Cutout strategy
Condenser Limit
Restart Inhibit
High Vacuum Lockout
Oil Temperature Control
Controls Chilled Water Reset CWR
Outdoor Air Temperature
Maximum Reset
Return Water
Values for start reset types
Degrees of Reset
Constant Return
Equation
Reset Ratio
Outdoor air temperature versus degrees of reset
Reset function for return CWR
Reset Ratio = 50%
Return CWR
Unit Startup
Unit Start-Up Procedures
Daily Unit Start-Up
Live Electrical Components
Toxic Hazards
Seasonal Unit Start-Up
Mode
Unit Shutdown Procedures
Unit Shutdown
Oil Pump Heater Operation
Seasonal Unit Shutdown
Periodic Maintenance
Daily Maintenance and Checks
Moisture Contamination
Record Keeping Forms
Weekly Maintenance
Normal Chiller Operating Characteristics
Hazardous Voltage w/Capacitors
Every 3 Months
Off-Season Maintenance
Annual Maintenance
Oil Maintenance
Oil Change Procedure
Heater Damage
Compressor Oil Change
Oil Filter Replacement
Replacing Oil Filter
Maintenance
Oil Supply System Problems
Other Maintenance Requirements
Hazardous Voltage w/ Capacitors
Rotary valve in drain position
Front View with Refrigerant Pump
Contains Refrigerant
Refrigerant Charge
Recovery and Recycle Connections
Leak Testing
Cleaning the Condenser
Proper Water Treatment
Control Settings Adjustments
Cleaning the Evaporator
Unit Corrosion Damage
Purge System
Unit Preparation
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106
107
108
109
110
111
112
113
114
115
Trane
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