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General| Tonnage | 115 tons |
|---|---|
| Refrigerant | R-134a |
| Voltage | 460V |
| Phase | 3 |
| Compressor Type | Scroll |
| Energy Efficiency Ratio (EER) | 10.1 |
Provides essential safety information for handling, installation, operation, and maintenance of the chiller unit.
Details specific warnings about improper use, structural support, mechanical strength, and electrical safety.
Lists essential steps to perform before placing the units into operation for correct installation.
Provides detailed physical dimensions, refrigerant charge, compressor, condenser, and fan data.
Covers electrical specifications for the micropanel power supply, voltage ranges, and compressor heaters.
Outlines pre-startup checks to be performed with the unit power switched OFF.
Details the procedure for checking and charging the refrigerant, including vacuuming and leak testing.
Details the commissioning checks to be performed after applying power to the chiller.
Provides step-by-step instructions for programming the Variable Frequency Drive (VFD) for the pump.
Guides the user through accessing Service Mode and programming the drive parameters.
Explains how to set the Maximum Over Current Protection (MOCP) for the adjustable breaker.
A checklist for pre-startup and startup procedures, covering unit checks, refrigerant, and electrical connections.
Details how to use the STATUS key to determine current chiller operating status and view messages.
Covers faults that cause individual systems to shut down, including discharge and suction pressure cutouts.
Details faults that cause all running compressors to shut down, like low ambient and low liquid temperature.
Provides tables for fault/inhibit codes and their descriptions, along with reset procedures.
Explains how to use the OPER DATA key to view system operating parameters and setpoints.
Details how to program cooling setpoints, daily schedule, and safeties using the SETPOINTS keys.
Explains how to program the Cooling Setpoint and Range for leaving or return chilled liquid.
Covers programmable operating parameters like discharge/suction pressure cutouts and low ambient temp cutout.
Details how to read and modify chiller data using serial communication networks like BACnet and Modbus.
Describes the sequence of operation for the chiller, including startup and compressor staging.
Explains how the chiller controls capacity based on leaving or return chilled liquid temperature.
Details anticipatory controls to prevent low-pressure cutouts by managing loading.
Explains load limiting features that prevent the unit from exceeding preferred values.
Details how to reset chilled liquid setpoint using 0-10 VDC or 4-20 mA signals.
Explains how to manually reset a system lockout fault that occurs after multiple system faults.
Describes how to enter Service Mode to view/modify unit inputs, outputs, and configuration parameters.
Provides guidance on checking digital and analog inputs/outputs using wiring diagrams and tables.
Provides a table of common problems, their causes, and recommended solutions for the unit.
