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General| Brand | Dunham-Bush |
|---|---|
| Model | WCFX Series |
| Category | Chiller |
| Language | English |
Inspect unit upon arrival for shipping damage and file claims as needed.
Proper procedures for lifting and moving the unit to prevent damage.
Outline drawings and space/clearance requirements for unit servicing.
Instructions for proper and successful application of water chilling machines.
Requirements for a flat, level foundation capable of supporting the unit's weight.
Recommendations for mounting units on vibration isolators to reduce noise.
Installation of the chilled water flow switch in the outlet piping.
Guidelines for connecting water piping, supporting lines, and system cleaning.
Precautions for connecting power wiring, compliance with codes.
Measuring chilled and condenser water flow rates using pressure drops.
Steps for shutting down the unit for prolonged periods, including draining.
Procedures for starting up the unit after a prolonged shutdown period.
Information on safety relief valves protecting pressure vessels.
Explanation of the refrigerant flow and its state changes within the system.
Table of electrical specifications for different unit models.
Reference to the typical wiring diagram for unit configurations.
Conditions required to start a compressor and its operation monitoring.
Description of the 15 polycarbonate buttons on the operator keypad.
Steps to calibrate compressor FLA values for accurate readings.
Guide to calibrating various sensors like pressure and temperature.
Manually controlling digital inputs and relay outputs via keypad.
Role of CWP and CWFS in ensuring chilled water flow for unit start.
Using external controls to enable or disable unit operation.
Delay feature preventing frequent compressor restarts after starting.
Timer preventing simultaneous starting of multiple compressors.
Controlling leaving water temperature by adjusting compressor capacity.
Setting DIP switches to assign network addresses to the controller.
Importance of regular inspection, cleaning, and preventive maintenance.
Guidelines for periodically checking essential temperatures and pressures.
Procedures for monthly checks including water treatment and control panel inspection.
Methods for cleaning evaporator and condenser heat transfer surfaces.
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