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General| Cooling Capacity | 390 kW |
|---|---|
| Compressor Type | Screw |
| Refrigerant | R-134a |
| Phase | 3 |
| Type | Air-Cooled |
| Evaporator Type | Shell and Tube |
| Condenser Type | Air-Cooled |
| Sound Power Level | 85 dB(A) |
Covers safety standards and quality compliance for YLAA chillers.
Explains the nomenclature and structure of the Product Identification Number (PIN).
Lists essential items to check before placing units into operation.
Provides guidance on selecting an installation site and required clearances.
Specifies operational limits including temperatures, flows, and voltage limitations.
Lists physical dimensions and specifications for standard efficiency units.
Contains details on the unit's electrical power supply and protection.
Includes elementary wiring diagrams for YLAA0195 models.
Illustrates connection diagrams for YLAA0195 models.
Provides elementary wiring diagrams for YLAA0220 - YLAA0515 models.
Illustrates connection diagrams for YLAA0220 - YLAA0515 models.
Presents dimensional data for various YLAA models in English units.
Specifies required unit clearances for all models.
Details weight distribution and isolator mounting positions for chiller models.
Emphasizes that commissioning must be performed by authorized personnel.
Outlines basic checks to perform with the unit power switched off.
Details checks and procedures to perform after applying power to the chiller.
Provides a comprehensive checklist for pre-startup and startup procedures.
Guides on calculating and verifying superheat and subcooling for system efficiency.
Instructs on performing leak checks on compressors, fittings, and piping.
Describes the sequence of operation for the chiller after power application.
Initiates start sequence and explains capacity control functions.
Details temperature control within a defined range for chilled liquid.
Manages compressor staging based on cooling load for dual systems.
Prevents unit from loading beyond desired value by limiting compressor stages.
Enables or disables outputs, configures chiller settings, and views inputs.
Details how to check digital and analog inputs and outputs on the microboard.
Offers solutions for common problems like no display or flow switch faults.
Explains how to read and modify chiller data via serial communication.
Details data transmission and reception for YorkTalk 2 communication.
