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General| Model | YCAL0028 |
|---|---|
| Type | Air-Cooled Chiller |
| Cooling Capacity | 28 Tons |
| Compressor Type | Scroll |
| Refrigerant | R-410A |
| Dimensions (L x W x H) | Varies depending on configuration; refer to York documentation |
Outlines safety standards and compliance for YCAL chillers with applicable industry codes.
Specifies temperature, flow, and voltage limitations to prevent compressor damage.
Illustrates the control and power circuit diagrams for single and dual systems.
Specifies that commissioning must be performed by authorized YORK personnel.
Explains how to check and adjust superheat and subcooling for system performance.
Explains how to interpret status messages displayed on the control center for chiller operation.
Guides on programming cooling setpoints, daily schedule, and safeties via the Setpoints section.
Explains how to program parameters like discharge/suction pressure cutouts and fan control.
Explains the sequence for chiller startup and capacity control functions.
Describes how the chiller controls leaving chilled liquid temperature based on setpoints.
Details return chilled liquid control based on compressor staging to match cooling load.
Explains how to enter Service Mode to enable/disable outputs and view parameters.
Details how to check digital and analog inputs/outputs connected to the microboard.
Provides common problems, their causes, and suggested solutions for unit operation issues.
Covers oil level checks, oil analysis, and precautions for scroll compressors.
