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Specifies the absolute operating boundaries for temperature, flow, and voltage to prevent damage.
Details the procedures to be followed by authorized personnel for unit commissioning.
Outlines essential checks before applying power to the unit, ensuring safe startup.
Explains the process for checking and charging the unit with the correct amount of refrigerant.
Details how to add compressor oil, including the correct type and quantity.
Verifies that electrical supply is taken from a single isolation point and air switch sizes are correct.
Verifies that customer power cables are correctly connected to terminal blocks and circuit breakers.
Explains how the unit adjusts its cooling/heating load based on system demand and temperature.
Explains controls that prevent system loading/unloading based on discharge pressure limits.
Covers essential maintenance aspects for compressors, including oil type and handling.
Details the safety standards and codes the unit complies with, ensuring safe operation.
Provides a comprehensive overview of the unit's major components and their functions.
Provides essential guidelines for safe rigging and lifting of the unit by professional riggers.
Outlines precautions for unit delivery and storage to maintain quality and prevent damage.
Lists the recommended operating and storage temperature ranges for optimal unit performance.
A mandatory list of checks to be completed before placing the unit into operation.
Specifies recommended site locations and clearances for optimal airflow, maintenance, and servicing.
Details requirements for a stable and level foundation to support the unit's operating weight.
Provides specific considerations for installing units at ground level to ensure stability and prevent tampering.
Guidelines for selecting and preparing rooftop locations to safely support the unit and personnel.
General guidance on connecting the unit's water piping system for maximum operating efficiency.
Recommendations for designing the piping system, including connections, strainers, and flushing procedures.
Illustrates the single unit power supply connection diagram with electrical legends.
Shows the communication wiring diagram for connecting the Optiview LT controller.
Illustrates the communication wiring diagram for the optional wire controller.
Details the absolute voltage limits for unit operation to prevent serious damage to the compressor.
Provides curves and correlations for calculating heat exchanger pressure drop across the BPHE and piping.
Presents the wiring diagram for YMAA/YMPA0045-0065 models, illustrating electrical connections.
Provides dimensional drawings for the YMAA/YMPA0045-0065 unit without a hydro kit.
Displays dimensional drawings for the YMAA/YMPA0045-0065 unit equipped with a hydro kit.
Shows dimensional drawings for the YMAA/YMPA0045-0065 unit with a fixed speed pump.
Provides dimensional drawings for the YMAA/YMPA0080-0130 unit without a hydro kit.
Displays dimensional drawings for the YMAA/YMPA0080-0130 unit with a hydro kit.
Shows dimensional drawings for the YMAA/YMPA0080-0130 unit with a fixed speed pump.
Provides dimensional drawings for the YMAA/YMPA0160-0200 unit without a hydro kit.
Displays dimensional drawings for the YMAA/YMPA0160-0200 unit with a hydro kit.
Provides dimensional drawings for the YMAA/YMPA0230-0260 unit without a hydro kit.
Displays dimensional drawings for the YMAA/YMPA0230-0260 unit with a hydro kit.
Specifies recommended installation clearances around the unit for proper airflow and maintenance access.
Confirms the unit's protective ground terminal is properly connected to a suitable grounding point.
Verifies that the site voltage supply matches the unit requirements and falls within specified limits.
Instructs to apply power and turn on the panel circuit breaker to make the machine live.
Verifies correct installation and commissioning of the chilled liquid system, including air purging.
Checks the fitted flow switch and recommends an additional one for modular systems.
A checklist for initial unit inspection, covering shipping damage, assembly, and refrigerant piping.
Procedures for powering on compressor heaters 8 hours prior to startup, verifying voltage and current.
Guides on verifying and recording system setpoints in the service level of the HMI.
Instructions for checking the system for refrigerant leaks and ensuring satisfactory operation.
Discusses adjusting P, I, and D parameters for PID control and their effects on system response.
Lists system parameters, their function codes, register addresses, and notes for configuration.
Displays system-level fault information, including chiller status and ambient temperature.
Shows unit-specific fault details, such as compressor or fan motor status.
Details the start-up, operation, and stop procedures for the inverter compressor's frequency control.
Indicates system or unit shutdown due to faults, lockout, or power loss via alarm contacts.
Troubleshooting steps for HMI display issues and unit inoperability.
Covers compressor oil type, handling, and precautions against internal arcing.
Recommends regular checks of system operating temperatures and pressures against limitations.
Details various unit parameters, including software versions, temperatures, pressures, and fan speeds.
Lists fault definitions for various sensors and components within Fault Word 1.
Details fault definitions related to fan faults, compressor overload, and pressure alarms in Fault Word 3.
Lists fault definitions for communication failures, temperature limits, and component faults in Fault Word 5.
Details fault definitions for dial switch errors and communication failures in Fault Word 7.
Lists fault definitions related to high and low pressure alarms in Fault Word 8.
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