The Turbo Air® 3000 Centrifugal Compressor Compressor Handbook

The Control System
The Vantage Control Panel
The major components of the Vantage Controller are mounted in a weatherproof electrical enclosure
with a NEMA 4 rating. One or more Main Logic Modules (MLM) are included in the panel. Each MLM
contains a power supply, a microprocessor, and an I/O (input / output) segment. Depending upon the
particular application, up to two additional slave MLM units may accompany the master MLM to
increase I/O capacity.
Each master MLM also contains the hardware to support a User Interface Module (UIM). The UIM is a
full-page, back-lit liquid crystal LCD display with an integrated 15 key, tactile keypad. The display
provides 20 lines by 80 characters of detailed information on the operational condition and settings of
the controller.
The acceptable operating environment of the control panel includes an operating temperature range
of 32ºF to 140ºF (0ºC to 60ºC), and a maximum 95% relative humidity (non-condensing). The storage
temperature range is -4ºF to 140ºF (-20ºC to 60ºC).
The source power is 100 - 240 VAC, 50 or 60 Hz. A 10-amp fuse protects the MLM circuitry. All wiring,
including grounding, must be in accordance with local codes and the National Electric Code (NEC) in
the USA.
CAUTION:
The MLM is neither designed not intended to supply power to any other device.
Do not wire any other devices from the MLM.
The display, or UIM, receives electrical power from the MLM through the DB9 cable with connectors.
Do not attempt to supply power to the UIM from any other source other than the MLM.
The Vantage Controller operates similarly to a personal computer (PC). Operating system software is
stored in flash memory located in the MLM. The operating system provides a real time, multi-tasking
environment for control programs. Control programs are loaded and saved to flash memory prior to
installation. Once loaded, these programs are maintained in memory by a small battery or saved to flash
memory. It is not necessary to load programs into the Vantage Controller except during certain special
installations, or if a new MLM is installed.
The MLM and UIM contain no user serviceable parts.
Cleaning - If the MLM becomes dirty, use only a dry cloth to clean the part. Never apply water or any
solvent. If the display, or UIM, should become dirty, a mild detergent can be used for cleaning. Use a
soft, non-abrasive cloth to clean the display. Do not submerge any part.
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