Daikin WGZ030DW, Installation, Operation And Maintenance Manual

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IOM 1322-1 • WATER-COOLED SCROLL COMPRESSOR 28 www.DaikinApplied.com
Control Panel Layout
Figure 19: Typical Control Panel, 4-Compressor Unit
NOTE: 1. Additional space provided in the upper right section for optional multiple point power connection and optional circuit
breakers.
NOTE: 2. Front door has a slot opening at the top for access to the MicroTech II controller for viewing display and making keypad
entries without opening the panel door.
Motor Protection Module
The motor protection system consists of an external control module, located on each compressor, motor terminal box, connected
to a series of thermistors located in the motor windings and the compressor discharge port. If the windings experience an over-
temperature condition or the discharge temperature is excessive, the module will trip and shut off the compressor.
WARNING
Disconnect the compressor three-phase power before removing the terminal box cover Removal of the terminal box
cover will expose the three-phase power connections . Contact with them can cause serious injury or death .
Unit Configuration