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American Standard
CH530 manual
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Contents
Main
Warnings and Cautions
Contents
Typical Product Description Block
Unit Nameplate
Literature change
About this manual
Page
Page
Commonly Used Acronyms
Figure 1. General Duplex unit components - front view
Page
Cooling Cycle
Page
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Figure 7. Sequence of operation overview.
Figure 8. CDHE/F/G sequence of operation: auto to running
Figure 9. CDHE, CDHF, and CDHG sequence of operation: running
Page
Figure 12. CDHF/G sequence of operation: lead 1/lag 2
Figure 13. CDHE/F/G sequence of operation: lead 2 lag 1
Figure 14. CDHF/G sequence of operation: equalize starts and hours
Figure 15. CDHF/G sequence of operation: combined start
Page
Oil and Refrigerant Pump
Surface Temperatures!
Page
Base Loading Control Algorithm:
Page
Ice Machine Control
Figure 18. Sequence of operation: ice making: running to ice making
Figure 19. Sequence of operation: ice making: stopped to ice to ice building complete
Hot Water control
Unit Control Panel (UCP)
Control Panel Devices and Unit Mounted Devices
Figure 20. Left control panel
Unit Control Panel (UCP)
Tracer CH530 Chiller Controller
Figure 21. DynaView
main processor
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Page
A general description of the top level modes is show in the following table.
Figure 22
Figure 23
Page
Main Screen Data Fields Table
Diagnostic Screen
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Report Menu
Report name: System Evaporator
Report name: Circuit Evaporator
Report name: System Condenser
Report name: Circuit Condenser
Report name: System ASHRAE Chiller Log
Report name: Circuit ASHRAE Chiller Log
Historic Diagnostics Log
Page
Chiller
Feature Settings
System Mode Overrides
Circuit Mode Overrides
(0 to disable)
Purge
Display Settings
{
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Control Panel Internally mounted devices
Interprocessor Communication
Inter Processor Communications IPC3
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Control Panel Devices
Head Relief Request Output
Maximum Capacity Relay
Compressor Running Relay
Machine Shutdown Manual Reset (MMR)
Chilled and Condenser Water Flow Interlock Circuits
Refrigerant Monitor Input 1A17
Page
CDRP Refrigerant Pressure Output Option 1A15:
Figure 25. Condenser pressure based output
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GBAS (Generic Building Automation System)
Figure 27. Voltage versus percent RLA
External Chilled Water Setpoint (ECWS)
External Current Limit Setpoint
WPSR (WFC Water Pressure Sensing Option)
Module Characteristics
Page
Recommended Length to Run external Output signals
Unit mounted devices
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Electrical Sequence
UCP and Wye-Delta Starter Control Circuits
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Figure 24. Test and start timing sequence
Page
Momentary Power Loss (MPL) Protection.
and starter module remain powered)
Figure 29. Sequence of operation: momentary power loss, (DynaView
Current Overload Protection
Figure 30. Overload trip time versus percent RLA
Current Limit Protection
Reverse Rotation Protection
Differential to Start or Stop
SoftLoading
Evaporator Limit
Leaving Water Temperature Cutout
Low Refrigerant Temperature Cutout
Page
Condenser Limit
Restart Inhibit
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Controls Chilled Water Reset (CWR)
Return Water
= Maximum Reset.
Outdoor Air Temperature
Where
Constant Return
Reset Ratio:
Figure 32. Outdoor air temperature versus degrees of reset
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Unit Start-Up Procedures
Unit Startup
Seasonal Unit Start-Up
Unit Startup
Live Electrical Components!
Toxic Hazards!
Unit Shutdown
Unit Shutdown Procedures
Seasonal Unit Shutdown
Oil Pump Heater Operation!
Trouble Analysis
Moisture Contamination!
Hazardous Voltage w/Capacitors!
Normal Chiller Operating Characteristics
Weekly Maintenance
Every 6 Months
Every 3 Months
Off-Season Maintenance
Annual Maintenance
Oil Maintenance
Compressor Oil Change
Oil Change Procedure
Heater Damage!
Oil Maintenance
Replacing Oil Filter
Other Maintenance Requirements
Oil Supply System Problems!
Hazardous Voltage w/ Capacitors!
Figure 37. Rotary valve in drain position
Refrigerant Charge
Contains Refrigerant!
Recovery and Recycle Connections
Leak Testing
Figure 38. Typical chemical cleaning setup
Cleaning the Condenser
Proper Water Treatment!
Unit Corrosion Damage!
Cleaning the Evaporator
Control Settings and Adjustments
Purge System
Unit Preparation
Contains Refrigerant!
Live Electrical Components!