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Safety advisories throughout the manual for personal safety and proper operation.
Explains the meaning and configuration of each digit in the FWCD model number.
Provides a general description and key data table for FWCD units.
Illustrates and identifies the main physical components of the FWCD chiller.
Guidelines for inspecting and handling the unit upon receipt.
Provides electrical data for sizing unit service wiring.
Illustrates physical dimensions for FWCD units and arrays.
Specifies required clearances for single unit and array installations.
Provides shipping and operating weight information for FWCD units.
Details design data for evaporator and condenser performance.
Explains the operation and benefits of heat recovery functionality.
Discusses the importance of fluid volume for system stability.
Outlines requirements for water circuits, filtration, and quality.
Guidelines for sizing liquid refrigerant and discharge lines.
Provides charts for sizing refrigerant lines for single and dual circuits.
Details piping configurations for multi-chiller arrays.
Covers piping, valves, storage, noise, and foundation requirements.
Specifies clearances, ventilation, and unit handling procedures.
Covers unit access, mounting, and leveling procedures.
Details water piping, volume, and pressure considerations.
Steps for safely lifting and moving the unit with a forklift.
Safety warnings regarding heavy objects and proper lifting techniques.
Explains the importance and installation of flow sensing devices.
Discusses water flow rates and recommended minimum system volumes.
Illustrates pressure drop characteristics for evaporator flow rates.
Shows pressure drop characteristics for condenser flow rates.
Emphasizes the importance of proper water treatment to prevent damage.
Discusses waterborne debris and evaporator piping requirements.
Warnings about debris and strainer requirements for condensers.
Discusses condenser piping, layout, and maintaining stable discharge pressure.
Requirements for correct field wiring and grounding installation.
Safety precautions for electrical maintenance and servicing.
Details voltage requirements and acceptable phase imbalance limits.
Procedure for ensuring correct compressor motor phase rotation.
Describes the microprocessor controller, display, and inputs/outputs.
How the chiller integrates with building management systems (BMS).
Overview of safety features protecting the chiller from failures.
Options for controlling chiller arrays with master/slave controllers.
Overview of the rugged microprocessor-based unit controller.
Steps for downloading and installing the MCS-Connect software.
Instructions for connecting PCs to the chiller controller via serial or Ethernet.
Process for updating chiller software and configuration files.
Steps to complete before starting up the unit.
Diagram illustrating the unit power-up sequence.
Steps for verifying operational parameters after startup.
How to measure and interpret superheat and subcooling.
Steps for performing a standard unit shutdown.
Procedure to prepare the system for long-term shutdown.
Steps for restarting the unit after an extended shutdown.
Safety precautions for performing maintenance tasks.
Tasks to perform for weekly unit maintenance.
Tasks to perform for monthly unit maintenance.
Procedures for maintaining the compressor, including oil checks.
Detailed steps for cleaning heat exchangers using CIP.
Lists and describes various chemical fluids for CIP cleaning.
Diagram showing the electrical wiring connections for the FWCD.
Field wiring diagram for a single unit, single circuit configuration.
Field wiring diagram for a single unit, dual circuit configuration.
Field wiring for arrays with master-secondary controller, single circuit modules.
Field wiring for arrays with supervisory controller, dual circuit modules.
Outlines the warranty terms and conditions for NAPPS products.
Steps for flushing piping systems before chiller connection.
Specifies water quality parameters for chiller operation.
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General