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Explains hazard symbols used in the document for safety warnings.
Explains the policy for updating document information without notice.
Key steps to be checked before placing units into operation.
Critical requirements for unit placement for performance and access.
Essential requirements for stable unit mounting on various surfaces.
Specific instructions for chilled water connections and requirements.
Wiring for PWM, Load Limit, and Flow Switch inputs.
Diagrams for single and multiple point electrical supply.
Specifications and data for various electrical configurations.
Table defining operational limits for temperature, flow, and voltage.
Metric operational limits for temperature, flow, and voltage.
Basic unit specifications and compressor details.
Physical dimensions for YCAL0043 to YCAL0057 models.
SI physical dimensions for YCAL0043 to YCAL0057 models.
Pre-operational checks before and after power-up.
Description of the main control panel and its components.
Faults affecting individual systems and their explanations.
Accessing real-time operating parameters via the display.
Sample of real-time operating data printout.
How to retrieve and interpret historical fault data.
Accessing and modifying unit options via the Options key.
Setting cooling temperature and range parameters.
Setting the daily operating schedule for the unit.
Accessing and modifying unit options via the Options key.
Control strategy for maintaining leaving chilled liquid temperature.
Staging compressors based on return chilled liquid temperature.
MOP, Valve Preheat, Inputs, and Outputs for EEV.
How condenser fans are controlled based on various inputs.
Table detailing fan control logic based on ambient and pressure.
Fan sequencing logic for specific YCAL models.
Table detailing load limiting stages based on compressor count.
How to enter and use service mode for diagnostics.
Settings for data logging, soft start, and refrigerant type.
Checking digital and analog temperature sensor inputs.
Diagnosing display problems and flow switch faults.
Checking and maintaining compressor oil levels and condition.
Data sent to and received from the ISN system.
Schematics for control and power circuits.
Layouts for power panel electrical connections.
Isolator choices for units with aluminum fins.
Neoprene isolator choices for units.
General
