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General| Model | YCAL0056 |
|---|---|
| Type | Air-Cooled Chiller |
| Compressor Type | Scroll |
| Refrigerant | R-410A |
| Power Supply | 460V/3Ph/60Hz |
| Cooling Capacity | 56 Tons |
Details Johnson Controls' warranty terms, limitations, and conditions for equipment.
Covers safety guidelines, standards, and codes applicable to YCAL chillers.
Outlines operator and personnel responsibilities for safe operation and maintenance.
Warns about dangers associated with refrigerant pressure systems and access.
Describes the microprocessor control center, keypad, and display functions.
Details procedures for safely moving the chiller, including lifting weights and rigging.
Lists essential checks to be performed before placing units in operation.
Provides operational limits, including temperatures, flows, and voltage.
Provides electrical specifications, including wiring and circuit protection details.
States that commissioning must be performed by authorized YORK personnel.
Outlines basic checks to be performed with the unit power switched off.
Describes checks for refrigerant pressure, leaks, and proper charging.
Lists essential checks for equipment start-up prior to operation.
Explains how to calculate and verify superheat and subcooling for proper operation.
Instructs to perform leak checks on compressors, fittings, and piping.
Explains how to use the STATUS key to determine current chiller operating status.
Introduces safety messages for system and unit faults, categorized by type.
Describes how to access and change programmable setpoints and parameters.
Explains the start sequence and how the unit regulates cooling capacity.
Details how the unit regulates leaving chilled liquid temperature to meet setpoints.
Details condenser fan control options based on ambient temperature or discharge pressure.
Describes how to enter Service Mode for configuration and parameter viewing.
Provides a guide for troubleshooting common problems and their solutions.
Provides instructions for compressor maintenance, including oil level checks and analysis.
