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General| Model | YVAM 0350 |
|---|---|
| Category | Chiller |
| Cooling Capacity | 350 tons |
| Refrigerant | R-134a |
| Phase | 3 |
| Voltage | 460V |
| Sound Power Level | Varies with model and operating conditions. Consult factory for specific data. |
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Information subject to change without notice due to product improvement policies.
Lists related manual descriptions and their corresponding form numbers for further reference.
Describes the CBM service plan for chiller maintenance, leveraging real-time and historical data.
Explains the naming conventions for system components, including unit type, frame size, and refrigerant.
Details the naming conventions for compressor components like motor, design level, and rotation.
Defines the naming conventions for vessel components such as evaporator, heat exchanger, and waterboxes.
Lists the main components of the YORK Model YVAM Centrifugal Liquid Chiller.
Describes the compressor as a single-stage centrifugal type with a hermetic electric motor.
Details the compressor motor type, bearings, and control center functions.
Explains the evaporator shell fabrication and internal heat exchanger tube enhancements.
Describes the evaporator as a shell and tube heat exchanger with a distributor trough.
Details the condenser's microchannel design, cooling fans, and sub-cooling function.
Provides specifications for the removable compact waterboxes, including pressure ratings and nozzle connections.
Explains how refrigerant flow is controlled via the condenser drain valve to maintain subcooling setpoint.
Describes the VSD's role in varying compressor motor speed by controlling electrical power.
Details the power panel's uninterruptable power supply and storage battery for essential loads.
Explains the function and mandatory open status of optional service isolation valves during operation.
Explains the chiller's operation, heat transfer process, and refrigerant circuit flow.
Discusses modulating capacity through compressor speed, VGD, and hot gas bypass.
Details the calculation and application of the active anti-surge minimum frequency for VSD speed.
Explains the Smart Freeze feature to prevent shutdowns from brief chilled liquid flow fluctuations.
Describes the surge protection feature's detection of surge events and reaction to excess surging.
Outlines necessary checks and conditions before initiating chiller startup.
Details the sequence of events and conditions required for a successful chiller start-up.
Describes the operational sequence upon start request, including VSD pre-charging and motor runs.
Covers temperature setpoint, automatic shutdown, and restart parameters for chilled liquid.
Explains how the Leaving Chilled Liquid Temperature setpoint is programmed locally or remotely.
Defines the LCHLT cycling offset for automatic chiller shutdown based on load conditions.
Defines the LCHLT cycling offset for automatic chiller restart after low temperature shutdown.
Provides a quick reference to common operator setpoints and their locations within the interface.
Details the procedure for stopping the chiller using soft stop or safety stop buttons.
Explains the safety stop button's purpose for maintenance and immediate shutdown.
Describes how to maintain daily records of system conditions and use automatic data logging.
Explains the two types of fault conditions: Cycling and Safety shutdowns.
Provides a procedure for shutting down the chiller for an extended period, like winter season.
Details the steps for restarting the chiller after it has been shut down for a long period.
Outlines critical steps to protect the evaporator against freeze damage in subfreezing temperatures.
Presents physical data for the YVAM model, including dimensions, weights, and component details.
Provides conversion factors for common measurements from English to SI Metric units.
Describes how to navigate between screens and categorize information into Display Only, Programmable, and Navigation.
Explains read-only parameters displayed on the OptiView panel, including value representations.
Details values that can be changed by users, requiring specific access levels for modification.
Outlines the View, Operator, and Service access levels and their permissions.
Provides a step-by-step procedure for programming setpoints on the control center interface.
Explains manual control buttons and the free cursor function for setpoint adjustment.
Describes how to move between screens using navigation buttons and soft keys.
Covers language selection and valid display ranges for analog input values.
Describes the default Home screen display and its visual representation of the chiller.
Provides a general overview of common chiller parameters displayed on the System screen.
Displays a cutaway view of the evaporator and its related setpoints and operating status.
Displays the air-cooled condenser with heat ejection animation and related parameters.
Shows a cutaway view of the compressor, impeller, and associated conditions and parameters.
Displays orientation of magnetic bearing axes and parameters transmitted from the MBC.
Provides detailed orientation and parameters from the MBC, similar to the MBC screen.
Displays compressor parameters related to the surge protection feature and setpoints.
Displays information pertinent to the VGD operation, including position and command status.
Displays information on the uninterruptable power supply (UPS) and storage battery.
Displays parameters for capacity control, including pressure overrides and anti-surge control.
Displays information pertaining to the variable speed drive's operational parameters.
Provides more detailed parameters associated with the variable speed drive for maintenance.
Displays information related to the VSD cooling system and its control parameters.
Displays information on motor temperature monitoring, including winding and housing temperatures.
Provides a convenient location for programming common setpoints and navigating to setup screens.
Allows users to view remote control status and change certain setpoints.
The top-level screen for general configuration parameters like time, date, and chiller specifications.
Allows defining standard and exception start/stop times for chiller operation.
Used to define custom User IDs, passwords, and assign custom passwords to users.
Allows definition of necessary communications parameters for the chiller.
Allows definition of communication parameters and setup for the printer.
Displays sales order parameters, including commissioning date and model information.
Allows definition of general parameters related to the chiller's operation.
Allows browsing through faults and provides reporting of system conditions at shutdown.
Displays an on-screen printout of all system parameters at the time of a selected shutdown.
Allows display of technician-selected parameters for troubleshooting specific issues.
Allows selection of up to 10 parameters for display on the Custom screen.
Displays graphical trending of selected parameters and provides access to graph setup.
Configures the trending screen by selecting parameters and setting Y-axis values.
Displays slot numbers of commonly monitored parameters for trending selection.
Provides a master list of slot numbers for use with the Trend feature.
Explains status bar messages and their associated colors and meanings.
Lists and describes various status messages displayed on the chiller's status line.
Lists and describes messages indicating the chiller's operational status while running.
Lists and describes routine shutdown messages like LOCAL STOP and REMOTE STOP.
Describes cycling shutdown messages and the conditions that trigger them.
Lists and describes safety shutdown messages and their recovery procedures.
Details the OSCD design, its purpose, and key features for the YVAM chiller.
Highlights specific features of the HYP0490B drive model, including ground fault detection and liquid cooling.
Explains the smart sensor system for early detection of overheating due to electrical connections.
Details the internal circuitry of the OSCD, including power modules and cooling systems.
Explains the benefits of the integrated input harmonic filter for improving power factor and reducing interference.
Discusses the integrated harmonic filter, its components, and advantages.
Describes the OSCD's pre-charge process and motor control for HYP drives.
Lists daily, weekly, monthly, yearly, and other maintenance procedures for YVAM chillers.
Details procedures for isolating electrical power and plant fluid flow for service.
Provides a list of weekly and monthly inspections to avoid operating difficulties.
Lists annual checks for evaporator, condenser, and compressor drive motor.
Explains how to perform leak testing on the refrigerant system.
Identifies vapor connection locations for proper system service and leak testing.
Details how to perform a system pressure test after leak repair and charging.
Provides steps for monitoring system pressure over time for leak detection.
Explains how to test for leaks using soap solution and a leak detector.
Details the procedure for using trace gas and a detector to find leaks.
Outlines procedures for evacuating the system to a dry state.
Provides instructions for evacuating and dehydrating the system in the field.
Explains the dehydration process and factors affecting its duration.
Details the steps for performing the dehydration process using a vacuum pump.
Outlines the steps for conducting the final evacuation after pressure testing.
Provides critical steps for charging the system with refrigerant, emphasizing vapor-only charging.
Details the procedure for removing refrigerant from the system for service.
Explains how to verify and adjust the refrigerant charge based on operating conditions.
Advises checking mounting screws and piping joint nuts for tightness.
Emphasizes maintaining the evaporator shell's water side clean and free from scale.
Recommends chemical water treatment to prevent scale and corrosion in evaporator tubes.
Discusses determining evaporator performance issues and causes of fouled tubes.
Identifies types of deposits causing tube fouling, such as rust, sludge, and scale.
Outlines brush cleaning and acid cleaning methods for evaporator tubes.
Details the process of cleaning tubes using a soft bristle nylon brush.
Explains when acid cleaning is required and the preparation steps.
Suggests using commercial organizations for specialized acid cleaning services.
Discusses how evaporator tube leaks can affect refrigerant and water circuits.
Provides a step-by-step procedure to locate evaporator tube leaks.
Emphasizes regular cleaning of condenser microchannel coils for performance and integrity.
Outlines essential care points for cleaning MCHX coils to avoid damage.
Provides a cleaning procedure for Standard and Environment Guard MCHX coils.
Details the cleaning procedure for Environment Guard Premium MCHX coils with black epoxy coating.
Recommends annual checks for tight electrical connections and secure connectors.
Explains the importance of verifying heater operation for low ambient temperature protection.
Details the procedure for testing evaporator waterbox heaters.
Outlines the steps for testing evaporator shell heaters.
Describes testing the heat trace for variable speed drive coolant.
Details how to measure current and test the VGD actuator heater mat.
Explains how to measure current and test the MBC heater mat.
Describes how to measure current and test the internal drive heater.
Details how to measure current and test the OptiView control panel heater.
Explains how to test the OptiView panel cooler operation by adjusting the thermostat.
Explains that UPS panel heating relies on chiller coolant loop; no direct testing.
Describes how to perform a battery health test from the Power Panel screen.
Lists various reports that can be printed from the Control Center.
Lists printers compatible with the Control Center and their RS-232 serial interface requirement.
Details specific connections for printers like Okidata OkiPos 441 to the Control Center Microboard.
Explains printer configuration steps for models like OKI Data OKIPOS 441.
Lists specifications and part numbers for the Brecknell CP130 printer.
Covers chiller ID assignment, printer configuration, and automatic data logging setup.
Explains how to set up automatic printing of status reports at specified intervals.
Provides instructions for capturing system histories to a file using HyperTerminal.
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