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Microprocessor Control
47 Liebert
®
Mini-Mate2
™
Test Outputs
When this feature is selected, the controller is effectively turned off. When stepping from one load to
the next, the previous load is automatically turned off. The loads can also be toggled On and Off by
selecting “ENTER.” Once turned on, the output will remain on for five minutes unless toggled off or
the test outputs function is exited by selecting “MENU/ESC” (Compressor is limited to 15 seconds On
to prevent damage.)
NOTICE
Risk of overheating the compressor during the Test Outputs mode. Can cause compressor
damage.
Testing the compressor output for more than a few seconds can damage the compressor. Do
not operate the unit in the Test Outputs mode any longer than is necessary for
troubleshooting.
NOTICE
Risk of extended unit operation in the Test Outputs mode for troubleshooting. Can cause
damage to unit.
DO NOT operate unit in the Test Outputs mode any longer than is necessary for
troubleshooting
The outputs are as follows:
• Normal Fan: Normal speed fan contactor
• Humidifier: Humidifier contactor
• Cool: Compressor contactor (Valve opens on chilled water units)
• HGBP: Hot gas bypass valve
• Reheat: Reheat contactor
• Common Alarm: Common alarm relay
Test Control Board
By selecting this function, the microcontroller will perform a self test lasting approximately 10
seconds. When the test is complete, the display will show the ROM checksum, ROM part number and
firmware revision number.
NOTE
Fan turned on with all loads.