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Covers essential safety guidelines and standards for chiller operation.
Lists applicable safety standards and codes the chillers comply with.
Outlines the primary responsibilities of personnel operating or working on the unit.
Describes the microprocessor control center and its interface.
Lists available accessories and options for the chiller unit.
Describes the low ambient kit for operation in cold conditions.
Details the high ambient kit for operation in hot conditions.
Explains the unit model number coding system.
Details safe methods for moving dual system chillers.
Details safe methods for moving single circuit chillers.
Lists essential checks before placing units into operation.
Covers selection of unit location and required clearances.
Specifies requirements for a stable and level mounting foundation.
Provides guidelines for proper chilled liquid piping installation.
Details requirements for field-supplied power and control wiring.
Specifies operational limits and restrictions in English units.
Specifies operational limits and restrictions in SI units.
Specifies absolute voltage limits in SI units.
Presents physical dimensions and specifications in English units.
Provides detailed electrical data including wiring requirements.
Provides overall unit dimensions in English units.
Specifies dimensions for the YCAL0019 model in English.
Specifies dimensions for the YCAL0022 model in English.
Specifies dimensions for the YCAL0028 model in English.
Specifies dimensions for the YCAL0033 model in English.
Specifies dimensions for the YCAL0043 model in English.
Specifies dimensions for the YCAL0046 model in English.
Specifies dimensions for the YCAL0052 model in English.
Specifies dimensions for the YCAL0056 model in English.
Specifies dimensions for the YCAL0066 model in English.
Provides overall unit dimensions in SI units.
Specifies dimensions for the YCAL0019 model in SI.
Specifies dimensions for the YCAL0022 model in SI.
Specifies dimensions for the YCAL0028 model in SI.
Specifies dimensions for the YCAL0033 model in SI.
Specifies dimensions for the YCAL0043 model in SI.
Specifies dimensions for the YCAL0046 model in SI.
Specifies dimensions for the YCAL0052 model in SI.
Specifies dimensions for the YCAL0056 model in SI.
Specifies dimensions for the YCAL0066 model in SI.
Illustrates required unit clearances for installation.
Discusses isolator selection and mounting positions.
States that commissioning must be done by authorized personnel.
Basic checks to perform before powering the unit on.
Guide for checking refrigerant charge and leak testing.
Details adding oil to compressors and oil level checks.
Checks to perform after applying power to the unit.
Ensures correct water system installation and flow.
Verifies proper installation and wiring of the chilled water flow switch.
A comprehensive checklist for initial unit start-up.
Checks to perform before applying power to the unit.
Confirms compressor heaters are energized for the required duration.
Verifies 3-phase power, voltage imbalance, and control panel settings.
Details how to check and calculate superheat and subcooling.
Procedure for checking for refrigerant leaks.
Describes the sequence of operations during start-up and normal run.
Describes the function of the IPU II and I/O boards in the control system.
How to use the STATUS key to determine current chiller operating status.
Explains the types of messages displayed for unit status.
Explains safety thresholds and status messages for system/unit shutdowns.
Describes faults that cause individual system shutdowns.
Details the discharge pressure cutout safety.
Explains the suction pressure cutout safety for evaporator protection.
Describes faults that shut down all running compressors.
Explains the safety for low ambient temperature operation.
Details the safety for low voltage conditions affecting the control system.
Explains the safety for high motor current conditions.
Lists unit warnings that require operator intervention.
Warns of a low battery condition for the Real Time Clock.
Indicates a potential issue with unit type configuration jumper.
Describes keys for viewing and printing system/unit information.
Accesses unit and system operating parameters.
How to obtain a printout of safety shutdown history.
Navigating and viewing stored historical shutdown data.
Displays the type of chilled liquid control: Leaving or Return.
Keys used for programming setpoints, schedules, and safeties.
Programming the cooling setpoint and range.
Accesses and modifies programmable operating parameters.
Sets the shutdown point for discharge pressure.
Sets the shutdown point for suction pressure.
Sets the cutout for low ambient temperature operation.
Details how the unit manages cooling capacity based on demand.
Prevents unit from reaching low-pressure cutout by limiting loading.
Unloads system to prevent high discharge pressure faults.
Regulates leaving chilled liquid temperature to meet setpoint.
Prevents unit from exceeding desired load values by limiting compressor operation.
Accessing service mode for configuration and diagnostics.
Configuring chiller settings like refrigerant type and expansion valve.
Viewing all analog and digital inputs to the microboard.
Troubleshooting steps for when the display panel is off or unit won't operate.
Troubleshooting for flow switch or remote stop issues.
Diagnosing and resolving low suction pressure faults.
Troubleshooting steps for high discharge pressure issues.
Diagnosing and resolving low liquid temperature faults.
Troubleshooting for motor protector or high pressure cutout faults.
Steps for diagnosing and resolving compressor start issues.
Troubleshooting steps for insufficient cooling output.
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