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Need help?Do you have a question about the Johnson Controls YORK Tempo YLAA0155SE and is the answer not in the manual?
Details Johnson Controls' warranty terms and conditions for the equipment and materials.
Outlines the standards and codes the chillers comply with for safety and quality assurance.
Outlines the primary responsibilities of the individual operating or working on the machinery.
Details potential hazards and damage from using the equipment outside its intended purpose or parameters.
Warns about hazards associated with refrigerant vapor and liquid under pressure and access to the system.
Covers grounding, power isolation, and safe servicing of electrical equipment.
Explains the function of the unit switch for emergency shutdown and its operation.
Covers safe procedures for moving the unit, including lifting methods and warnings.
Lists essential items to check before placing the units into operation.
Details the critical electrical connection for single-point power supply.
Specifies absolute voltage limitations to prevent compressor damage.
Presents electrical specifications including power supply and voltage ranges.
Provides important notes and clarifications regarding electrical installations and safety.
Explains designations used in electrical diagrams and provides important notes.
Presents schematic diagrams illustrating the basic electrical connections and components.
Continues elementary wiring diagrams, showing additional circuit details.
Illustrates specific wiring diagrams for the condenser fans.
Continues fan wiring diagrams, showing further connections.
Illustrates physical connection points for electrical components.
Details the connection points for the micro panel and its associated boards.
Provides specific wiring diagrams for compressor connections.
Illustrates how condenser fans are mapped and sequenced for operation.
Provides a general overview of the unit's wiring.
Details wiring diagrams for the power supply and single point options.
Guides on the step-by-step process for installing one-inch deflection spring isolators.
Details the procedure for installing and adjusting seismic isolators.
Details the installation and adjustment procedure for SLRS seismic isolators.
Outlines basic checks to be made with unit power switched off before commissioning.
Guides on inspecting the unit for installation damage and taking appropriate action.
Details how to check refrigerant charge, perform leak tests, and evacuate systems.
Explains how to add oil, check levels, and potential issues with high oil concentration.
Emphasizes taking electrical supply from a single point of isolation and checking fuse sizes.
Details checking customer power cables and ensuring connections are tight.
Advises verifying protective ground terminal connections are suitable and tight.
Instructs to verify site supply voltage corresponds to unit requirements.
Guides on performing commissioning checks with power applied to the unit.
Advises on verifying flow switch installation, wiring, and straight pipe runs.
Outlines essential checks for the system prior to initial start, including unit checks and piping.
Outlines checks for the system prior to initial start, including unit checks and piping.
Lists specific checks for the unit, such as shipping damage, piping completion, and refrigerant leaks.
Details applying 120VAC power to heaters and the required pre-start energization time.
Covers startup procedures including panel checks and verifying power supply.
Outlines checks for power supply, voltage, and programming setpoints during startup.
Explains how to check and adjust superheat and subcooling for optimal performance.
Details procedures for checking compressors, fittings, and piping for leaks.
Describes the sequence of operations when the chiller starts up and runs.
Introduces the microprocessor-based control system and its main components.
Explains the 12-button keypad for accessing parameters, setpoints, and troubleshooting.
Explains how to use the STATUS key to view chiller operating status and messages.
Explains how pressing the STATUS key displays current chiller operating status and messages.
Details safety messages that indicate system or unit faults and required actions.
Describes faults causing individual system shutdown, auto-reset, and lockout conditions.
Describes unit-wide safety shutdowns for conditions like low ambient or undervoltage.
Provides a quick reference list for understanding status messages displayed by the unit.
Explains how to use the DISPLAY/PRINT keys to retrieve and print system information.
Explains how to navigate menus and change programmed values using the ENTRY keys.
Explains how to access and change programmed setpoints like cooling temperatures.
Describes how to program the cooling setpoint and range for chilled liquid control.
Explains how to access and change programmable parameters like cutouts and timers.
Explains the software shutdown for high discharge pressure, acting as a backup to mechanical switches.
Details the cutout protecting the chiller from evaporator freeze-up due to low suction pressure.
Assures systems do not short cycle, allowing sufficient time for compressor heat dissipation.
Explains programming trip voltage for high current trips and calibrating current readout.
Provides a quick reference list for setpoint settings.
Explains how to navigate menus and change programmed options under the OPTIONS key.
Explains how to scroll through and change programmable options via the OPTIONS key.
Mentions the "LIQUID CHILLER" message must be displayed to avoid compressor damage.
Explains how the chiller stages compressors to match cooling load based on temperature.
Details anticipatory controls to prevent low-pressure cutouts by preventing loading.
Describes unloading a system before safety limits due to high load or dirty coils.
Explains the control logic for maintaining leaving chilled liquid temperature.
Manages compressor operation to equalize run hours and prevent short cycling.
Explains staging compressors to match cooling load based on return water temperature.
Controls unit output by limiting compressor loading based on desired values.
Describes how to enter Service Mode for enabling/disabling outputs and changing parameters.
Lists configuration parameters that must match actual chiller setup for proper operation.
Provides a reference list for connection points of unit inputs and outputs.
Guides on verifying sensor and input functionality and their voltage readings.
Provides guidance for diagnosing and resolving common unit problems.
Lists causes and solutions for issues related to the panel display and unit operation.
Details causes and solutions for low suction pressure faults, including refrigerant charge and TXV.
Covers causes like fan issues or over-refrigeration and their solutions.
Addresses causes like improper cutout adjustment or low chilled liquid flow.
Covers causes related to compressor protector, external overload, or HPCO switch.
Lists potential reasons for compressors not starting, like demand or sensor issues.
Addresses issues such as fouled evaporator or improper flow affecting cooling.
Provides guidance on checking compressor oil levels and performing oil analysis.
General| Model | YLAA0155SE |
|---|---|
| Type | Air-Cooled Chiller |
| Category | Chiller |
| Brand | Johnson Controls YORK |
| Cooling Capacity | 155 tons |
| Compressor Type | Scroll |
| Refrigerant | R-410A |
| Voltage | 460V |
| Phase | 3 |
| Frequency | 60 Hz |
