To Next PageTo Next PageWhat to do if Johnson Controls York YCRL0064 SYS 1 LLSV STATUS TB 10 - 3 is OFF?
If the Johnson Controls Chiller SYS 1 LLSV STATUS TB 10 - 3 is OFF, you can try pressing the UP arrow key. This should energize the liquid line solenoid valve, and the display should change from OFF to ON as the LLSV gets energized.
General| Model | YCRL0064 |
|---|---|
| Category | Chiller |
| Manufacturer | Johnson Controls York |
| Type | Air-Cooled Scroll Chiller |
| Refrigerant | R-410A |
| Compressor Type | Scroll |
| Number of Circuits | 2 |
| Voltage | 460V/3Ph/60Hz |
| Cooling Capacity | 64 tons |
Provides an overview of YORK YCRL Remote Condenser Liquid Chillers, their design, and intended use.
Details the warranty coverage and conditions for YORK YCRL chillers, including limitations and requirements.
Covers general safety guidelines, standards, and responsibility for safe operation of the chiller.
Outlines potential hazards and consequences of improper equipment use, including suitability and structural support.
Addresses electrical safety, grounding, and wiring requirements for the unit.
Discusses the handling and safety precautions for refrigerants and oils used in the unit.
Advises against using high-temperature and high-pressure cleaning methods on the system.
Explains the function and use of the unit's emergency shutdown switch for immediate stoppage.
Introduces the YORK YCRL chillers, their design, and intended indoor installation.
Describes the suction-gas cooled hermetic scroll compressors used in the YCRL chillers.
Details the components and configuration of the unit's two independent refrigerant circuits.
Describes the 2-pass dual circuit shell and tube direct expansion evaporator.
Specifies the types of condensers that can be used with the YCRL chiller.
Details the components of the refrigerant piping system for each circuit.
Describes the NEMA 1 control cabinet, keypad, display, and microprocessor control features.
Lists the various setpoints that can be programmed for chiller operation.
Details the system parameters that can be viewed on the chiller's display.
Explains system-level safety shutdowns that require manual reset after three trips.
Describes unit-level safety shutdowns that automatically reset upon fault condition removal.
Covers the enclosure for power and controls, including the power panel's components.
Details available power, controls, and heat exchanger options for the chiller.
Lists various optional features for the chiller, like paint overspray and isolation valves.
Describes different vibration isolation options: Neoprene, Spring, and Seismic isolators.
Provides guidelines for unit delivery, storage precautions, and handling during storage.
Outlines the procedure for inspecting the unit upon receiving it for shipping damage.
Details considerations for moving the unit, including site suitability and lifting methods.
Provides a table of lifting weights for YCRL 60 HZ models.
Lists essential checks to be performed before placing the units in operation.
Specifies requirements for the installation site to ensure optimum performance and service.
Provides recommendations for isolating the unit in noise-sensitive areas.
Details requirements for the unit's concrete base and foundation support.
Explains how to install optional vibration isolators provided with the unit.
Provides general recommendations for connecting the chilled liquid piping system.
Discusses water treatment recommendations for heat exchangers to prevent damage and fouling.
Describes the Victaulic adapter flanges and weld flanges used for water connections.
Details recommendations for piping refrigerant relief valves to the exterior.
Covers the requirements for high-side pressure relief valves and cutouts.
Suggests pipework arrangements for single and multiple unit installations.
Refers to the service section for connection sizes and cooler connection types.
Highlights factors for proper design and sizing of refrigerant piping for efficiency and oil return.
Explains how pressure drops affect capacity and energy consumption.
Discusses how pressure drop calculations are determined for system sizing.
Provides guidelines for designing refrigerant piping systems for practical sizes and oil return.
References guides for R-410A copper line sizing and YCRL line sizing notes.
Provides recommendations for safe and satisfactory unit operation via electrical connections.
Outlines field wiring requirements, including NEC compliance and wire type recommendations.
Provides connection sizes for YCRL chillers where remote piping connects.
Lists refrigerant charge capability for each system in the chiller.
Details wiring recommendations for the control panel terminal block (CTBI).
Covers electrical wiring requirements, including routing cables and using proper wire sizes.
Instructions for checking the correct primary tapping on the control transformer.
Information on compressor heaters, including energizing times before start.
Details on the location and pressure setting determination for relief valves.
Explains the high-pressure cutout settings and operation for 50Hz and 60Hz chillers.
Provides a diagram illustrating the control wiring connections for the unit.
Specifies operational limits for evaporator flow, water temperatures, and ambient conditions.
Defines the absolute voltage limitations to prevent compressor damage.
Presents graphical data for evaporator water pressure drop based on flow rate.
Lists correction factors for pressure drops when using glycol solutions.
Provides tables for recommended glycol concentrations based on leaving chilled liquid temperature.
Presents physical data for unit capacity, dimensions, and component sizes.
Provides single-point electrical data including circuit breaker and lug sizes.
Details electrical data for dual-point supply connections, including breaker and lug sizes.
Illustrates the wiring diagram for single-point power supply connections.
Shows the wiring diagram for dual-point power supply connections.
Details the power supply specifications for the micro panel.
Lists the acceptable voltage ranges for the unit's power supply.
Provides important notes and definitions related to electrical data and calculations.
Details the sizing requirements for ground lugs based on circuit breaker or terminal block options.
Contains various wiring diagrams for unit control and power connections.
Presents the elementary wiring diagram for 4-compressor YCRL models.
Presents the elementary wiring diagram for 6-compressor YCRL models.
Illustrates the connection wiring for 4-compressor YCRL models.
Illustrates the connection wiring for 6-compressor YCRL models.
Provides detailed views of elementary wiring diagrams for 4-compressor YCRL units.
Provides detailed views of elementary wiring diagrams for 6-compressor YCRL units.
Shows the wiring diagram for the Electronic Expansion Valve (EEV) controller.
Provides overall dimensions for 4-compressor YCRL models in English units.
Provides overall dimensions for 6-compressor YCRL models in English units.
Lists isolator types and their corresponding unit weights for selection.
Provides information and cross-references for spring isolators.
Cross-references isolator models with their capacity, deflection, and color codes.
Provides step-by-step instructions for installing one-inch deflection spring isolators.
Cross-references Duralene isolator models with their capacity, deflection, and dimensions.
Details the installation procedure for Duralene vibration isolators.
Cross-references seismic spring isolator models with their ratings and specifications.
Provides instructions for the installation and adjustment of seismic spring isolators.
General guidelines for unit commissioning, emphasizing authorized personnel.
Basic checks to perform with the unit's power switched OFF.
Instructions for adding and checking compressor oil levels.
Ensures proper electrical supply isolation and checks fuse sizes.
Checks the control panel for cleanliness and foreign materials.
Verifies correct and tight connections of customer power cables.
Ensures proper connection of the unit's protective ground terminal.
Verifies site voltage corresponds to unit requirements.
Steps to perform after applying power, including switch settings.
Checks the chilled liquid system installation, flow direction, and air purging.
Verifies the correct installation and wiring of the chilled water flow switch.
Ensures correct installation and coating of the leaving liquid temperature sensor.
A comprehensive checklist for pre start-up and start-up procedures.
Details the list of programmable setpoints and their entry methods.
Provides procedures for checking and adjusting superheat and subcooling levels.
Instructions for performing leak checks on compressors, fittings, and piping.
Describes the sequence of operation for the chiller during start-up and normal operation.
Introduces the YORK MicroComputer Control Center and its components.
Describes the IPU II and I/O boards, their functions, and connections.
Details the 75VA transformer used for powering the microprocessor board.
Describes the 40-character liquid crystal display for system parameters.
Explains the function of the 12-button keypad for accessing parameters.
Details the function of the battery backup for the Real Time Clock.
Explains how to program the number of compressors for the unit.
Explains how to use the STATUS key to determine the chiller's operating status.
Lists and explains general status messages displayed by the chiller.
Describes system-level safety shutdowns and their messages.
Categorizes and explains safety messages for systems and units.
Lists and describes unit-level safety shutdowns.
Explains the system current feedback option and its safety function.
Describes unit warnings that require operator intervention.
Explains the use of the DISPLAY/PRINT keys for retrieving and printing information.
Provides a quick reference for information available via the OPER DATA key.
Explains how to obtain printouts of system data or history.
Details how to print current system operating parameters.
Explains how to access and view unit safety shutdown history.
Describes how to obtain a printout of the last nine safety shutdowns.
Explains the control mode for leaving chilled liquid temperature.
Describes lead/lag control options for managing compressor run times.
Displays the programmed high current trip voltage for System 1.
Displays the programmed high current trip voltage for System 2.
Shows programmed setpoints for leaving or return chilled liquid control.
Displays the ambient temperature at the time of the fault.
Indicates which system is currently in the lead.
Explains the use of the UP, DOWN, and ENTER/ADV keys for navigation and programming.
Explains the use of arrow keys for scrolling and programming.
Details how to enter changes and advance through menus using the ENTER/ADV key.
Provides access to setpoints like Cooling, Schedule, and Safeties.
Instructions for programming cooling setpoints and ranges.
Describes how to set and adjust the leaving chilled liquid temperature control.
Explains the control logic based on return chilled liquid temperature.
Details how remote setpoints are updated and controlled.
Instructions for programming the seven-day daily and holiday schedules.
Explains how to access and program various operating parameters.
Details how programming this value determines cooling stages.
Explains how to program trip voltages for high current protection.
Details programming unit trip voltages for high current protection.
Guide to navigating and programming various user-selectable options.
Allows selection between standard or low ambient control modes.
Determines if the chiller operates on local or remote commands.
Sets the chiller's control logic to return or leaving liquid temperature.
Configures the display to show values in Imperial or SI units.
Enables automatic or manual lead/lag sequencing for multiple systems.
Allows temporary override of the daily schedule for servicing.
Configures current sensing based on module installation.
Determines if the chiller automatically restarts after a power failure.
Instructs to keep Soft Start disabled for all chillers.
Specifies the unit type; must be set to 'LIQUID CHILLER'.
Selects the refrigerant type (R-410A), programmable in Service Mode.
Allows selection of expansion valve type, programmable in Service Mode.
Procedure for updating the chiller's operating program via a Flash Card.
Configures the input for remote temperature reset functionality.
Enables control of the onboard or external evaporator pump.
Allows adjustment and display of the current day, time, and date.
Describes the chiller's start sequence and how cooling capacity is managed.
Explains anticipatory controls to prevent low-pressure cutouts by limiting loading.
Details how discharge pressure limits unload the system before safety limits are reached.
Explains how the chiller controls leaving liquid temperature based on setpoints and range.
Describes how the microprocessor adjusts setpoints to prevent excessive compressor cycling.
Explains lead/lag options for equalizing run hours and compressor sequencing within systems.
Describes how the chiller stages compressors based on return water temperature.
Explains the programmable timer that prevents rapid compressor cycling.
Describes the non-programmable timer that ensures a delay between system starts.
Details the conditions under which the evaporator pump is energized.
Explains how the evaporator heater is controlled by ambient air temperature.
Describes the pump-down feature initiated upon system shutdown.
Explains the feature that prevents the unit from loading beyond a desired value.
Indicates system or unit shutdown via normally-open alarm contacts.
Explains how the Chilled Liquid Setpoint can be reset using a PWM input.
Details how setpoints can be reset using 0-10VDC or 4-20mA signals.
Provides recommended pressure set points for remote condenser fan staging.
Procedure for clearing the unit's history buffers.
Instructions on how to enter and use the unit's service mode.
Details on configuring chiller settings like refrigerant type and expansion valve.
How to view analog and digital inputs for diagnostics.
Explains how to check digital and analog inputs/outputs and their connections.
Provides a reference list for microboard connections of inputs and outputs.
Diagram showing the layout of the microboard and its terminal blocks.
Explains how to check digital inputs, their voltage references, and ON/OFF status.
Details analog inputs for temperature sensing and their voltage correlations.
Describes analog inputs for pressure sensing and their voltage/pressure correlations.
Explains the function of digital outputs controlled by the microprocessor.
Details the parts, assembly, and wiring for installing an optional printer.
Provides a guide to diagnosing and resolving common unit problems.
Troubleshooting steps for issues with the unit display and power.
Troubleshooting steps for flow switch or remote stop related run permissives.
Troubleshooting steps for low suction pressure faults.
Troubleshooting steps for high discharge pressure faults.
Troubleshooting steps for low liquid temperature faults.
Troubleshooting steps for motor protector or high pressure cutout faults.
Troubleshooting steps when compressors fail to start.
Troubleshooting steps for issues related to insufficient cooling effect.
General statement on the importance of proper maintenance for system operation.
Maintenance guidelines specific to the unit's compressors.
Recommendations for regular checks of operating temperatures and pressures.
Details the Real Time Clock chip and its battery backup function.
Guidelines for periodic overall inspections to ensure proper equipment operation.
Explains data reading and modification via serial communication protocols.
Notes related to data maps for BACnet and Modbus communications.
Details the register addresses for BACnet and Modbus communication points.
Describes data values received and transmitted via YorkTalk 2 communication.
Provides conversion charts for actual temperature readings between Fahrenheit and Celsius.
Provides conversion charts for differential temperatures between Fahrenheit and Celsius.
Provides conversion charts for pressure readings between PSI, BAR, and kPa.
Presents pressure and temperature data for R410-A refrigerant.
Provides factors and examples for converting temperature units between Fahrenheit and Celsius.
